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// dear imgui, v1.79
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// (internal structures/api)
// You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility!
// Set:
// #define IMGUI_DEFINE_MATH_OPERATORS
// To implement maths operators for ImVec2 (disabled by default to not collide with using IM_VEC2_CLASS_EXTRA along with your own math types+operators)
/*
Index of this file :
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// [SECTION] Header mess
// [SECTION] Forward declarations
// [SECTION] Context pointer
// [SECTION] STB libraries includes
// [SECTION] Macros
// [SECTION] Generic helpers
// [SECTION] ImDrawList support
// [SECTION] Widgets support: flags, enums, data structures
// [SECTION] Columns support
// [SECTION] Settings support
// [SECTION] Multi-select support
// [SECTION] Docking support
// [SECTION] Viewport support
// [SECTION] ImGuiContext (main imgui context)
// [SECTION] ImGuiWindowTempData, ImGuiWindow
// [SECTION] Tab bar, Tab item support
// [SECTION] Table support
// [SECTION] Internal API
// [SECTION] Test Engine Hooks (imgui_test_engine)
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*/
# pragma once
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# ifndef IMGUI_DISABLE
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//-----------------------------------------------------------------------------
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// [SECTION] Header mess
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//-----------------------------------------------------------------------------
# ifndef IMGUI_VERSION
# error Must include imgui.h before imgui_internal.h
# endif
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# include <stdio.h> // FILE*, sscanf
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# include <stdlib.h> // NULL, malloc, free, qsort, atoi, atof
# include <math.h> // sqrtf, fabsf, fmodf, powf, floorf, ceilf, cosf, sinf
# include <limits.h> // INT_MIN, INT_MAX
// Visual Studio warnings
# ifdef _MSC_VER
# pragma warning (push)
# pragma warning (disable: 4251) // class 'xxx' needs to have dll-interface to be used by clients of struct 'xxx' // when IMGUI_API is set to__declspec(dllexport)
# endif
// Clang/GCC warnings with -Weverything
# if defined(__clang__)
# pragma clang diagnostic push
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# if __has_warning("-Wunknown-warning-option")
# pragma clang diagnostic ignored "-Wunknown-warning-option" // warning: unknown warning group 'xxx'
# endif
# pragma clang diagnostic ignored "-Wunknown-pragmas" // warning: unknown warning group 'xxx'
# pragma clang diagnostic ignored "-Wunused-function" // for stb_textedit.h
# pragma clang diagnostic ignored "-Wmissing-prototypes" // for stb_textedit.h
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# pragma clang diagnostic ignored "-Wold-style-cast"
# pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
# pragma clang diagnostic ignored "-Wdouble-promotion"
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# pragma clang diagnostic ignored "-Wimplicit-int-float-conversion" // warning: implicit conversion from 'xxx' to 'float' may lose precision
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# elif defined(__GNUC__)
# pragma GCC diagnostic push
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# pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind
# pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
# endif
// Legacy defines
# ifdef IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS // Renamed in 1.74
# error Use IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS
# endif
# ifdef IMGUI_DISABLE_MATH_FUNCTIONS // Renamed in 1.74
# error Use IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS
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# endif
//-----------------------------------------------------------------------------
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// [SECTION] Forward declarations
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//-----------------------------------------------------------------------------
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struct ImBitVector ; // Store 1-bit per value
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struct ImRect ; // An axis-aligned rectangle (2 points)
struct ImDrawDataBuilder ; // Helper to build a ImDrawData instance
struct ImDrawListSharedData ; // Data shared between all ImDrawList instances
struct ImGuiColorMod ; // Stacked color modifier, backup of modified data so we can restore it
struct ImGuiColumnData ; // Storage data for a single column
struct ImGuiColumns ; // Storage data for a columns set
struct ImGuiContext ; // Main Dear ImGui context
struct ImGuiDataTypeInfo ; // Type information associated to a ImGuiDataType enum
struct ImGuiGroupData ; // Stacked storage data for BeginGroup()/EndGroup()
struct ImGuiInputTextState ; // Internal state of the currently focused/edited text input box
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struct ImGuiLastItemDataBackup ; // Backup and restore IsItemHovered() internal data
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struct ImGuiMenuColumns ; // Simple column measurement, currently used for MenuItem() only
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struct ImGuiNavMoveResult ; // Result of a gamepad/keyboard directional navigation move query result
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struct ImGuiNextWindowData ; // Storage for SetNextWindow** functions
struct ImGuiNextItemData ; // Storage for SetNextItem** functions
struct ImGuiPopupData ; // Storage for current popup stack
struct ImGuiSettingsHandler ; // Storage for one type registered in the .ini file
struct ImGuiStyleMod ; // Stacked style modifier, backup of modified data so we can restore it
struct ImGuiTabBar ; // Storage for a tab bar
struct ImGuiTabItem ; // Storage for a tab item (within a tab bar)
struct ImGuiWindow ; // Storage for one window
struct ImGuiWindowTempData ; // Temporary storage for one window (that's the data which in theory we could ditch at the end of the frame)
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struct ImGuiWindowSettings ; // Storage for a window .ini settings (we keep one of those even if the actual window wasn't instanced during this session)
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// Use your programming IDE "Go to definition" facility on the names of the center columns to find the actual flags/enum lists.
typedef int ImGuiLayoutType ; // -> enum ImGuiLayoutType_ // Enum: Horizontal or vertical
typedef int ImGuiButtonFlags ; // -> enum ImGuiButtonFlags_ // Flags: for ButtonEx(), ButtonBehavior()
typedef int ImGuiColumnsFlags ; // -> enum ImGuiColumnsFlags_ // Flags: BeginColumns()
typedef int ImGuiItemFlags ; // -> enum ImGuiItemFlags_ // Flags: for PushItemFlag()
typedef int ImGuiItemStatusFlags ; // -> enum ImGuiItemStatusFlags_ // Flags: for DC.LastItemStatusFlags
typedef int ImGuiNavHighlightFlags ; // -> enum ImGuiNavHighlightFlags_ // Flags: for RenderNavHighlight()
typedef int ImGuiNavDirSourceFlags ; // -> enum ImGuiNavDirSourceFlags_ // Flags: for GetNavInputAmount2d()
typedef int ImGuiNavMoveFlags ; // -> enum ImGuiNavMoveFlags_ // Flags: for navigation requests
typedef int ImGuiNextItemDataFlags ; // -> enum ImGuiNextItemDataFlags_ // Flags: for SetNextItemXXX() functions
typedef int ImGuiNextWindowDataFlags ; // -> enum ImGuiNextWindowDataFlags_// Flags: for SetNextWindowXXX() functions
typedef int ImGuiSeparatorFlags ; // -> enum ImGuiSeparatorFlags_ // Flags: for SeparatorEx()
typedef int ImGuiTextFlags ; // -> enum ImGuiTextFlags_ // Flags: for TextEx()
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typedef int ImGuiTooltipFlags ; // -> enum ImGuiTooltipFlags_ // Flags: for BeginTooltipEx()
//-----------------------------------------------------------------------------
// [SECTION] Context pointer
// See implementation of this variable in imgui.cpp for comments and details.
//-----------------------------------------------------------------------------
# ifndef GImGui
extern IMGUI_API ImGuiContext * GImGui ; // Current implicit context pointer
# endif
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//-------------------------------------------------------------------------
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// [SECTION] STB libraries includes
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//-------------------------------------------------------------------------
namespace ImStb
{
# undef STB_TEXTEDIT_STRING
# undef STB_TEXTEDIT_CHARTYPE
# define STB_TEXTEDIT_STRING ImGuiInputTextState
# define STB_TEXTEDIT_CHARTYPE ImWchar
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# define STB_TEXTEDIT_GETWIDTH_NEWLINE (-1.0f)
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# define STB_TEXTEDIT_UNDOSTATECOUNT 99
# define STB_TEXTEDIT_UNDOCHARCOUNT 999
# include "imstb_textedit.h"
} // namespace ImStb
//-----------------------------------------------------------------------------
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// [SECTION] Macros
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//-----------------------------------------------------------------------------
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// Debug Logging
# ifndef IMGUI_DEBUG_LOG
# define IMGUI_DEBUG_LOG(_FMT,...) printf("[%05d] " _FMT, GImGui->FrameCount, __VA_ARGS__)
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# endif
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// Debug Logging for selected systems. Remove the '((void)0) //' to enable.
//#define IMGUI_DEBUG_LOG_POPUP IMGUI_DEBUG_LOG // Enable log
//#define IMGUI_DEBUG_LOG_NAV IMGUI_DEBUG_LOG // Enable log
# define IMGUI_DEBUG_LOG_POPUP(...) ((void)0) // Disable log
# define IMGUI_DEBUG_LOG_NAV(...) ((void)0) // Disable log
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// Static Asserts
# if (__cplusplus >= 201100)
# define IM_STATIC_ASSERT(_COND) static_assert(_COND, "")
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# else
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# define IM_STATIC_ASSERT(_COND) typedef char static_assertion_##__line__[(_COND)?1:-1]
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# endif
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// "Paranoid" Debug Asserts are meant to only be enabled during specific debugging/work, otherwise would slow down the code too much.
// We currently don't have many of those so the effect is currently negligible, but onward intent to add more aggressive ones in the code.
//#define IMGUI_DEBUG_PARANOID
# ifdef IMGUI_DEBUG_PARANOID
# define IM_ASSERT_PARANOID(_EXPR) IM_ASSERT(_EXPR)
# else
# define IM_ASSERT_PARANOID(_EXPR)
# endif
// Error handling
// Down the line in some frameworks/languages we would like to have a way to redirect those to the programmer and recover from more faults.
# ifndef IM_ASSERT_USER_ERROR
# define IM_ASSERT_USER_ERROR(_EXP,_MSG) IM_ASSERT((_EXP) && _MSG) // Recoverable User Error
# endif
// Misc Macros
# define IM_PI 3.14159265358979323846f
# ifdef _WIN32
# define IM_NEWLINE "\r\n" // Play it nice with Windows users (Update: since 2018-05, Notepad finally appears to support Unix-style carriage returns!)
# else
# define IM_NEWLINE "\n"
# endif
# define IM_TABSIZE (4)
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# define IM_F32_TO_INT8_UNBOUND(_VAL) ((int)((_VAL) * 255.0f + ((_VAL)>=0 ? 0.5f : -0.5f))) // Unsaturated, for display purpose
# define IM_F32_TO_INT8_SAT(_VAL) ((int)(ImSaturate(_VAL) * 255.0f + 0.5f)) // Saturated, always output 0..255
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# define IM_FLOOR(_VAL) ((float)(int)(_VAL)) // ImFloor() is not inlined in MSVC debug builds
# define IM_ROUND(_VAL) ((float)(int)((_VAL) + 0.5f)) //
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// Enforce cdecl calling convention for functions called by the standard library, in case compilation settings changed the default to e.g. __vectorcall
# ifdef _MSC_VER
# define IMGUI_CDECL __cdecl
# else
# define IMGUI_CDECL
# endif
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// Debug Tools
// Use 'Metrics->Tools->Item Picker' to break into the call-stack of a specific item.
# ifndef IM_DEBUG_BREAK
# if defined(__clang__)
# define IM_DEBUG_BREAK() __builtin_debugtrap()
# elif defined (_MSC_VER)
# define IM_DEBUG_BREAK() __debugbreak()
# else
# define IM_DEBUG_BREAK() IM_ASSERT(0) // It is expected that you define IM_DEBUG_BREAK() into something that will break nicely in a debugger!
# endif
# endif // #ifndef IM_DEBUG_BREAK
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//-----------------------------------------------------------------------------
// [SECTION] Generic helpers
// Note that the ImXXX helpers functions are lower-level than ImGui functions.
// ImGui functions or the ImGui context are never called/used from other ImXXX functions.
//-----------------------------------------------------------------------------
// - Helpers: Hashing
// - Helpers: Sorting
// - Helpers: Bit manipulation
// - Helpers: String, Formatting
// - Helpers: UTF-8 <> wchar conversions
// - Helpers: ImVec2/ImVec4 operators
// - Helpers: Maths
// - Helpers: Geometry
// - Helper: ImVec1
// - Helper: ImVec2ih
// - Helper: ImRect
// - Helper: ImBitArray
// - Helper: ImBitVector
// - Helper: ImPool<>
// - Helper: ImChunkStream<>
//-----------------------------------------------------------------------------
// Helpers: Hashing
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IMGUI_API ImU32 ImHashData ( const void * data , size_t data_size , ImU32 seed = 0 ) ;
IMGUI_API ImU32 ImHashStr ( const char * data , size_t data_size = 0 , ImU32 seed = 0 ) ;
# ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
static inline ImU32 ImHash ( const void * data , int size , ImU32 seed = 0 ) { return size ? ImHashData ( data , ( size_t ) size , seed ) : ImHashStr ( ( const char * ) data , 0 , seed ) ; } // [moved to ImHashStr/ImHashData in 1.68]
# endif
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// Helpers: Sorting
# define ImQsort qsort
// Helpers: Color Blending
IMGUI_API ImU32 ImAlphaBlendColors ( ImU32 col_a , ImU32 col_b ) ;
// Helpers: Bit manipulation
static inline bool ImIsPowerOfTwo ( int v ) { return v ! = 0 & & ( v & ( v - 1 ) ) = = 0 ; }
static inline int ImUpperPowerOfTwo ( int v ) { v - - ; v | = v > > 1 ; v | = v > > 2 ; v | = v > > 4 ; v | = v > > 8 ; v | = v > > 16 ; v + + ; return v ; }
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// Helpers: String, Formatting
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IMGUI_API int ImStricmp ( const char * str1 , const char * str2 ) ;
IMGUI_API int ImStrnicmp ( const char * str1 , const char * str2 , size_t count ) ;
IMGUI_API void ImStrncpy ( char * dst , const char * src , size_t count ) ;
IMGUI_API char * ImStrdup ( const char * str ) ;
IMGUI_API char * ImStrdupcpy ( char * dst , size_t * p_dst_size , const char * str ) ;
IMGUI_API const char * ImStrchrRange ( const char * str_begin , const char * str_end , char c ) ;
IMGUI_API int ImStrlenW ( const ImWchar * str ) ;
IMGUI_API const char * ImStreolRange ( const char * str , const char * str_end ) ; // End end-of-line
IMGUI_API const ImWchar * ImStrbolW ( const ImWchar * buf_mid_line , const ImWchar * buf_begin ) ; // Find beginning-of-line
IMGUI_API const char * ImStristr ( const char * haystack , const char * haystack_end , const char * needle , const char * needle_end ) ;
IMGUI_API void ImStrTrimBlanks ( char * str ) ;
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IMGUI_API const char * ImStrSkipBlank ( const char * str ) ;
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IMGUI_API int ImFormatString ( char * buf , size_t buf_size , const char * fmt , . . . ) IM_FMTARGS ( 3 ) ;
IMGUI_API int ImFormatStringV ( char * buf , size_t buf_size , const char * fmt , va_list args ) IM_FMTLIST ( 3 ) ;
IMGUI_API const char * ImParseFormatFindStart ( const char * format ) ;
IMGUI_API const char * ImParseFormatFindEnd ( const char * format ) ;
IMGUI_API const char * ImParseFormatTrimDecorations ( const char * format , char * buf , size_t buf_size ) ;
IMGUI_API int ImParseFormatPrecision ( const char * format , int default_value ) ;
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static inline bool ImCharIsBlankA ( char c ) { return c = = ' ' | | c = = ' \t ' ; }
static inline bool ImCharIsBlankW ( unsigned int c ) { return c = = ' ' | | c = = ' \t ' | | c = = 0x3000 ; }
// Helpers: UTF-8 <> wchar conversions
IMGUI_API int ImTextStrToUtf8 ( char * buf , int buf_size , const ImWchar * in_text , const ImWchar * in_text_end ) ; // return output UTF-8 bytes count
IMGUI_API int ImTextCharFromUtf8 ( unsigned int * out_char , const char * in_text , const char * in_text_end ) ; // read one character. return input UTF-8 bytes count
IMGUI_API int ImTextStrFromUtf8 ( ImWchar * buf , int buf_size , const char * in_text , const char * in_text_end , const char * * in_remaining = NULL ) ; // return input UTF-8 bytes count
IMGUI_API int ImTextCountCharsFromUtf8 ( const char * in_text , const char * in_text_end ) ; // return number of UTF-8 code-points (NOT bytes count)
IMGUI_API int ImTextCountUtf8BytesFromChar ( const char * in_text , const char * in_text_end ) ; // return number of bytes to express one char in UTF-8
IMGUI_API int ImTextCountUtf8BytesFromStr ( const ImWchar * in_text , const ImWchar * in_text_end ) ; // return number of bytes to express string in UTF-8
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// Helpers: ImVec2/ImVec4 operators
// We are keeping those disabled by default so they don't leak in user space, to allow user enabling implicit cast operators between ImVec2 and their own types (using IM_VEC2_CLASS_EXTRA etc.)
// We unfortunately don't have a unary- operator for ImVec2 because this would needs to be defined inside the class itself.
# ifdef IMGUI_DEFINE_MATH_OPERATORS
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static inline ImVec2 operator * ( const ImVec2 & lhs , const float rhs ) { return ImVec2 ( lhs . x * rhs , lhs . y * rhs ) ; }
static inline ImVec2 operator / ( const ImVec2 & lhs , const float rhs ) { return ImVec2 ( lhs . x / rhs , lhs . y / rhs ) ; }
static inline ImVec2 operator + ( const ImVec2 & lhs , const ImVec2 & rhs ) { return ImVec2 ( lhs . x + rhs . x , lhs . y + rhs . y ) ; }
static inline ImVec2 operator - ( const ImVec2 & lhs , const ImVec2 & rhs ) { return ImVec2 ( lhs . x - rhs . x , lhs . y - rhs . y ) ; }
static inline ImVec2 operator * ( const ImVec2 & lhs , const ImVec2 & rhs ) { return ImVec2 ( lhs . x * rhs . x , lhs . y * rhs . y ) ; }
static inline ImVec2 operator / ( const ImVec2 & lhs , const ImVec2 & rhs ) { return ImVec2 ( lhs . x / rhs . x , lhs . y / rhs . y ) ; }
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static inline ImVec2 & operator * = ( ImVec2 & lhs , const float rhs ) { lhs . x * = rhs ; lhs . y * = rhs ; return lhs ; }
static inline ImVec2 & operator / = ( ImVec2 & lhs , const float rhs ) { lhs . x / = rhs ; lhs . y / = rhs ; return lhs ; }
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static inline ImVec2 & operator + = ( ImVec2 & lhs , const ImVec2 & rhs ) { lhs . x + = rhs . x ; lhs . y + = rhs . y ; return lhs ; }
static inline ImVec2 & operator - = ( ImVec2 & lhs , const ImVec2 & rhs ) { lhs . x - = rhs . x ; lhs . y - = rhs . y ; return lhs ; }
static inline ImVec2 & operator * = ( ImVec2 & lhs , const ImVec2 & rhs ) { lhs . x * = rhs . x ; lhs . y * = rhs . y ; return lhs ; }
static inline ImVec2 & operator / = ( ImVec2 & lhs , const ImVec2 & rhs ) { lhs . x / = rhs . x ; lhs . y / = rhs . y ; return lhs ; }
static inline ImVec4 operator + ( const ImVec4 & lhs , const ImVec4 & rhs ) { return ImVec4 ( lhs . x + rhs . x , lhs . y + rhs . y , lhs . z + rhs . z , lhs . w + rhs . w ) ; }
static inline ImVec4 operator - ( const ImVec4 & lhs , const ImVec4 & rhs ) { return ImVec4 ( lhs . x - rhs . x , lhs . y - rhs . y , lhs . z - rhs . z , lhs . w - rhs . w ) ; }
static inline ImVec4 operator * ( const ImVec4 & lhs , const ImVec4 & rhs ) { return ImVec4 ( lhs . x * rhs . x , lhs . y * rhs . y , lhs . z * rhs . z , lhs . w * rhs . w ) ; }
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# endif
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// Helpers: File System
# ifdef IMGUI_DISABLE_FILE_FUNCTIONS
# define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS
typedef void * ImFileHandle ;
static inline ImFileHandle ImFileOpen ( const char * , const char * ) { return NULL ; }
static inline bool ImFileClose ( ImFileHandle ) { return false ; }
static inline ImU64 ImFileGetSize ( ImFileHandle ) { return ( ImU64 ) - 1 ; }
static inline ImU64 ImFileRead ( void * , ImU64 , ImU64 , ImFileHandle ) { return 0 ; }
static inline ImU64 ImFileWrite ( const void * , ImU64 , ImU64 , ImFileHandle ) { return 0 ; }
# endif
# ifndef IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS
typedef FILE * ImFileHandle ;
IMGUI_API ImFileHandle ImFileOpen ( const char * filename , const char * mode ) ;
IMGUI_API bool ImFileClose ( ImFileHandle file ) ;
IMGUI_API ImU64 ImFileGetSize ( ImFileHandle file ) ;
IMGUI_API ImU64 ImFileRead ( void * data , ImU64 size , ImU64 count , ImFileHandle file ) ;
IMGUI_API ImU64 ImFileWrite ( const void * data , ImU64 size , ImU64 count , ImFileHandle file ) ;
# else
# define IMGUI_DISABLE_TTY_FUNCTIONS // Can't use stdout, fflush if we are not using default file functions
# endif
IMGUI_API void * ImFileLoadToMemory ( const char * filename , const char * mode , size_t * out_file_size = NULL , int padding_bytes = 0 ) ;
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// Helpers: Maths
// - Wrapper for standard libs functions. (Note that imgui_demo.cpp does _not_ use them to keep the code easy to copy)
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# ifndef IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS
# define ImFabs(X) fabsf(X)
# define ImSqrt(X) sqrtf(X)
# define ImFmod(X, Y) fmodf((X), (Y))
# define ImCos(X) cosf(X)
# define ImSin(X) sinf(X)
# define ImAcos(X) acosf(X)
# define ImAtan2(Y, X) atan2f((Y), (X))
# define ImAtof(STR) atof(STR)
# define ImFloorStd(X) floorf(X) // We already uses our own ImFloor() { return (float)(int)v } internally so the standard one wrapper is named differently (it's used by e.g. stb_truetype)
# define ImCeil(X) ceilf(X)
static inline float ImPow ( float x , float y ) { return powf ( x , y ) ; } // DragBehaviorT/SliderBehaviorT uses ImPow with either float/double and need the precision
static inline double ImPow ( double x , double y ) { return pow ( x , y ) ; }
static inline float ImLog ( float x ) { return logf ( x ) ; } // DragBehaviorT/SliderBehaviorT uses ImLog with either float/double and need the precision
static inline double ImLog ( double x ) { return log ( x ) ; }
static inline float ImAbs ( float x ) { return fabsf ( x ) ; }
static inline double ImAbs ( double x ) { return fabs ( x ) ; }
static inline float ImSign ( float x ) { return ( x < 0.0f ) ? - 1.0f : ( ( x > 0.0f ) ? 1.0f : 0.0f ) ; } // Sign operator - returns -1, 0 or 1 based on sign of argument
static inline double ImSign ( double x ) { return ( x < 0.0 ) ? - 1.0 : ( ( x > 0.0 ) ? 1.0 : 0.0 ) ; }
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# endif
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// - ImMin/ImMax/ImClamp/ImLerp/ImSwap are used by widgets which support variety of types: signed/unsigned int/long long float/double
// (Exceptionally using templates here but we could also redefine them for those types)
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template < typename T > static inline T ImMin ( T lhs , T rhs ) { return lhs < rhs ? lhs : rhs ; }
template < typename T > static inline T ImMax ( T lhs , T rhs ) { return lhs > = rhs ? lhs : rhs ; }
template < typename T > static inline T ImClamp ( T v , T mn , T mx ) { return ( v < mn ) ? mn : ( v > mx ) ? mx : v ; }
template < typename T > static inline T ImLerp ( T a , T b , float t ) { return ( T ) ( a + ( b - a ) * t ) ; }
template < typename T > static inline void ImSwap ( T & a , T & b ) { T tmp = a ; a = b ; b = tmp ; }
template < typename T > static inline T ImAddClampOverflow ( T a , T b , T mn , T mx ) { if ( b < 0 & & ( a < mn - b ) ) return mn ; if ( b > 0 & & ( a > mx - b ) ) return mx ; return a + b ; }
template < typename T > static inline T ImSubClampOverflow ( T a , T b , T mn , T mx ) { if ( b > 0 & & ( a < mn + b ) ) return mn ; if ( b < 0 & & ( a > mx + b ) ) return mx ; return a - b ; }
// - Misc maths helpers
static inline ImVec2 ImMin ( const ImVec2 & lhs , const ImVec2 & rhs ) { return ImVec2 ( lhs . x < rhs . x ? lhs . x : rhs . x , lhs . y < rhs . y ? lhs . y : rhs . y ) ; }
static inline ImVec2 ImMax ( const ImVec2 & lhs , const ImVec2 & rhs ) { return ImVec2 ( lhs . x > = rhs . x ? lhs . x : rhs . x , lhs . y > = rhs . y ? lhs . y : rhs . y ) ; }
static inline ImVec2 ImClamp ( const ImVec2 & v , const ImVec2 & mn , ImVec2 mx ) { return ImVec2 ( ( v . x < mn . x ) ? mn . x : ( v . x > mx . x ) ? mx . x : v . x , ( v . y < mn . y ) ? mn . y : ( v . y > mx . y ) ? mx . y : v . y ) ; }
static inline ImVec2 ImLerp ( const ImVec2 & a , const ImVec2 & b , float t ) { return ImVec2 ( a . x + ( b . x - a . x ) * t , a . y + ( b . y - a . y ) * t ) ; }
static inline ImVec2 ImLerp ( const ImVec2 & a , const ImVec2 & b , const ImVec2 & t ) { return ImVec2 ( a . x + ( b . x - a . x ) * t . x , a . y + ( b . y - a . y ) * t . y ) ; }
static inline ImVec4 ImLerp ( const ImVec4 & a , const ImVec4 & b , float t ) { return ImVec4 ( a . x + ( b . x - a . x ) * t , a . y + ( b . y - a . y ) * t , a . z + ( b . z - a . z ) * t , a . w + ( b . w - a . w ) * t ) ; }
static inline float ImSaturate ( float f ) { return ( f < 0.0f ) ? 0.0f : ( f > 1.0f ) ? 1.0f : f ; }
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static inline float ImLengthSqr ( const ImVec2 & lhs ) { return ( lhs . x * lhs . x ) + ( lhs . y * lhs . y ) ; }
static inline float ImLengthSqr ( const ImVec4 & lhs ) { return ( lhs . x * lhs . x ) + ( lhs . y * lhs . y ) + ( lhs . z * lhs . z ) + ( lhs . w * lhs . w ) ; }
static inline float ImInvLength ( const ImVec2 & lhs , float fail_value ) { float d = ( lhs . x * lhs . x ) + ( lhs . y * lhs . y ) ; if ( d > 0.0f ) return 1.0f / ImSqrt ( d ) ; return fail_value ; }
static inline float ImFloor ( float f ) { return ( float ) ( int ) ( f ) ; }
static inline ImVec2 ImFloor ( const ImVec2 & v ) { return ImVec2 ( ( float ) ( int ) ( v . x ) , ( float ) ( int ) ( v . y ) ) ; }
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static inline int ImModPositive ( int a , int b ) { return ( a + b ) % b ; }
static inline float ImDot ( const ImVec2 & a , const ImVec2 & b ) { return a . x * b . x + a . y * b . y ; }
static inline ImVec2 ImRotate ( const ImVec2 & v , float cos_a , float sin_a ) { return ImVec2 ( v . x * cos_a - v . y * sin_a , v . x * sin_a + v . y * cos_a ) ; }
static inline float ImLinearSweep ( float current , float target , float speed ) { if ( current < target ) return ImMin ( current + speed , target ) ; if ( current > target ) return ImMax ( current - speed , target ) ; return current ; }
static inline ImVec2 ImMul ( const ImVec2 & lhs , const ImVec2 & rhs ) { return ImVec2 ( lhs . x * rhs . x , lhs . y * rhs . y ) ; }
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// Helpers: Geometry
IMGUI_API ImVec2 ImBezierCalc ( const ImVec2 & p1 , const ImVec2 & p2 , const ImVec2 & p3 , const ImVec2 & p4 , float t ) ; // Cubic Bezier
IMGUI_API ImVec2 ImBezierClosestPoint ( const ImVec2 & p1 , const ImVec2 & p2 , const ImVec2 & p3 , const ImVec2 & p4 , const ImVec2 & p , int num_segments ) ; // For curves with explicit number of segments
IMGUI_API ImVec2 ImBezierClosestPointCasteljau ( const ImVec2 & p1 , const ImVec2 & p2 , const ImVec2 & p3 , const ImVec2 & p4 , const ImVec2 & p , float tess_tol ) ; // For auto-tessellated curves you can use tess_tol = style.CurveTessellationTol
IMGUI_API ImVec2 ImLineClosestPoint ( const ImVec2 & a , const ImVec2 & b , const ImVec2 & p ) ;
IMGUI_API bool ImTriangleContainsPoint ( const ImVec2 & a , const ImVec2 & b , const ImVec2 & c , const ImVec2 & p ) ;
IMGUI_API ImVec2 ImTriangleClosestPoint ( const ImVec2 & a , const ImVec2 & b , const ImVec2 & c , const ImVec2 & p ) ;
IMGUI_API void ImTriangleBarycentricCoords ( const ImVec2 & a , const ImVec2 & b , const ImVec2 & c , const ImVec2 & p , float & out_u , float & out_v , float & out_w ) ;
inline float ImTriangleArea ( const ImVec2 & a , const ImVec2 & b , const ImVec2 & c ) { return ImFabs ( ( a . x * ( b . y - c . y ) ) + ( b . x * ( c . y - a . y ) ) + ( c . x * ( a . y - b . y ) ) ) * 0.5f ; }
IMGUI_API ImGuiDir ImGetDirQuadrantFromDelta ( float dx , float dy ) ;
// Helper: ImVec1 (1D vector)
// (this odd construct is used to facilitate the transition between 1D and 2D, and the maintenance of some branches/patches)
struct ImVec1
{
float x ;
ImVec1 ( ) { x = 0.0f ; }
ImVec1 ( float _x ) { x = _x ; }
} ;
// Helper: ImVec2ih (2D vector, half-size integer, for long-term packed storage)
struct ImVec2ih
{
short x , y ;
ImVec2ih ( ) { x = y = 0 ; }
ImVec2ih ( short _x , short _y ) { x = _x ; y = _y ; }
explicit ImVec2ih ( const ImVec2 & rhs ) { x = ( short ) rhs . x ; y = ( short ) rhs . y ; }
} ;
// Helper: ImRect (2D axis aligned bounding-box)
// NB: we can't rely on ImVec2 math operators being available here!
struct IMGUI_API ImRect
{
ImVec2 Min ; // Upper-left
ImVec2 Max ; // Lower-right
ImRect ( ) : Min ( 0.0f , 0.0f ) , Max ( 0.0f , 0.0f ) { }
ImRect ( const ImVec2 & min , const ImVec2 & max ) : Min ( min ) , Max ( max ) { }
ImRect ( const ImVec4 & v ) : Min ( v . x , v . y ) , Max ( v . z , v . w ) { }
ImRect ( float x1 , float y1 , float x2 , float y2 ) : Min ( x1 , y1 ) , Max ( x2 , y2 ) { }
ImVec2 GetCenter ( ) const { return ImVec2 ( ( Min . x + Max . x ) * 0.5f , ( Min . y + Max . y ) * 0.5f ) ; }
ImVec2 GetSize ( ) const { return ImVec2 ( Max . x - Min . x , Max . y - Min . y ) ; }
float GetWidth ( ) const { return Max . x - Min . x ; }
float GetHeight ( ) const { return Max . y - Min . y ; }
ImVec2 GetTL ( ) const { return Min ; } // Top-left
ImVec2 GetTR ( ) const { return ImVec2 ( Max . x , Min . y ) ; } // Top-right
ImVec2 GetBL ( ) const { return ImVec2 ( Min . x , Max . y ) ; } // Bottom-left
ImVec2 GetBR ( ) const { return Max ; } // Bottom-right
bool Contains ( const ImVec2 & p ) const { return p . x > = Min . x & & p . y > = Min . y & & p . x < Max . x & & p . y < Max . y ; }
bool Contains ( const ImRect & r ) const { return r . Min . x > = Min . x & & r . Min . y > = Min . y & & r . Max . x < = Max . x & & r . Max . y < = Max . y ; }
bool Overlaps ( const ImRect & r ) const { return r . Min . y < Max . y & & r . Max . y > Min . y & & r . Min . x < Max . x & & r . Max . x > Min . x ; }
void Add ( const ImVec2 & p ) { if ( Min . x > p . x ) Min . x = p . x ; if ( Min . y > p . y ) Min . y = p . y ; if ( Max . x < p . x ) Max . x = p . x ; if ( Max . y < p . y ) Max . y = p . y ; }
void Add ( const ImRect & r ) { if ( Min . x > r . Min . x ) Min . x = r . Min . x ; if ( Min . y > r . Min . y ) Min . y = r . Min . y ; if ( Max . x < r . Max . x ) Max . x = r . Max . x ; if ( Max . y < r . Max . y ) Max . y = r . Max . y ; }
void Expand ( const float amount ) { Min . x - = amount ; Min . y - = amount ; Max . x + = amount ; Max . y + = amount ; }
void Expand ( const ImVec2 & amount ) { Min . x - = amount . x ; Min . y - = amount . y ; Max . x + = amount . x ; Max . y + = amount . y ; }
void Translate ( const ImVec2 & d ) { Min . x + = d . x ; Min . y + = d . y ; Max . x + = d . x ; Max . y + = d . y ; }
void TranslateX ( float dx ) { Min . x + = dx ; Max . x + = dx ; }
void TranslateY ( float dy ) { Min . y + = dy ; Max . y + = dy ; }
void ClipWith ( const ImRect & r ) { Min = ImMax ( Min , r . Min ) ; Max = ImMin ( Max , r . Max ) ; } // Simple version, may lead to an inverted rectangle, which is fine for Contains/Overlaps test but not for display.
void ClipWithFull ( const ImRect & r ) { Min = ImClamp ( Min , r . Min , r . Max ) ; Max = ImClamp ( Max , r . Min , r . Max ) ; } // Full version, ensure both points are fully clipped.
void Floor ( ) { Min . x = IM_FLOOR ( Min . x ) ; Min . y = IM_FLOOR ( Min . y ) ; Max . x = IM_FLOOR ( Max . x ) ; Max . y = IM_FLOOR ( Max . y ) ; }
bool IsInverted ( ) const { return Min . x > Max . x | | Min . y > Max . y ; }
ImVec4 ToVec4 ( ) const { return ImVec4 ( Min . x , Min . y , Max . x , Max . y ) ; }
} ;
// Helper: ImBitArray
inline bool ImBitArrayTestBit ( const ImU32 * arr , int n ) { ImU32 mask = ( ImU32 ) 1 < < ( n & 31 ) ; return ( arr [ n > > 5 ] & mask ) ! = 0 ; }
inline void ImBitArrayClearBit ( ImU32 * arr , int n ) { ImU32 mask = ( ImU32 ) 1 < < ( n & 31 ) ; arr [ n > > 5 ] & = ~ mask ; }
inline void ImBitArraySetBit ( ImU32 * arr , int n ) { ImU32 mask = ( ImU32 ) 1 < < ( n & 31 ) ; arr [ n > > 5 ] | = mask ; }
inline void ImBitArraySetBitRange ( ImU32 * arr , int n , int n2 )
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{
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while ( n < = n2 )
{
int a_mod = ( n & 31 ) ;
int b_mod = ( ( n2 > = n + 31 ) ? 31 : ( n2 & 31 ) ) + 1 ;
ImU32 mask = ( ImU32 ) ( ( ( ImU64 ) 1 < < b_mod ) - 1 ) & ~ ( ImU32 ) ( ( ( ImU64 ) 1 < < a_mod ) - 1 ) ;
arr [ n > > 5 ] | = mask ;
n = ( n + 32 ) & ~ 31 ;
}
}
// Helper: ImBitVector
// Store 1-bit per value.
struct IMGUI_API ImBitVector
{
ImVector < ImU32 > Storage ;
void Create ( int sz ) { Storage . resize ( ( sz + 31 ) > > 5 ) ; memset ( Storage . Data , 0 , ( size_t ) Storage . Size * sizeof ( Storage . Data [ 0 ] ) ) ; }
void Clear ( ) { Storage . clear ( ) ; }
bool TestBit ( int n ) const { IM_ASSERT ( n < ( Storage . Size < < 5 ) ) ; return ImBitArrayTestBit ( Storage . Data , n ) ; }
void SetBit ( int n ) { IM_ASSERT ( n < ( Storage . Size < < 5 ) ) ; ImBitArraySetBit ( Storage . Data , n ) ; }
void ClearBit ( int n ) { IM_ASSERT ( n < ( Storage . Size < < 5 ) ) ; ImBitArrayClearBit ( Storage . Data , n ) ; }
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} ;
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// Helper: ImPool<>
// Basic keyed storage for contiguous instances, slow/amortized insertion, O(1) indexable, O(Log N) queries by ID over a dense/hot buffer,
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// Honor constructor/destructor. Add/remove invalidate all pointers. Indexes have the same lifetime as the associated object.
typedef int ImPoolIdx ;
template < typename T >
struct IMGUI_API ImPool
{
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ImVector < T > Buf ; // Contiguous data
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ImGuiStorage Map ; // ID->Index
ImPoolIdx FreeIdx ; // Next free idx to use
ImPool ( ) { FreeIdx = 0 ; }
~ ImPool ( ) { Clear ( ) ; }
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T * GetByKey ( ImGuiID key ) { int idx = Map . GetInt ( key , - 1 ) ; return ( idx ! = - 1 ) ? & Buf [ idx ] : NULL ; }
T * GetByIndex ( ImPoolIdx n ) { return & Buf [ n ] ; }
ImPoolIdx GetIndex ( const T * p ) const { IM_ASSERT ( p > = Buf . Data & & p < Buf . Data + Buf . Size ) ; return ( ImPoolIdx ) ( p - Buf . Data ) ; }
T * GetOrAddByKey ( ImGuiID key ) { int * p_idx = Map . GetIntRef ( key , - 1 ) ; if ( * p_idx ! = - 1 ) return & Buf [ * p_idx ] ; * p_idx = FreeIdx ; return Add ( ) ; }
bool Contains ( const T * p ) const { return ( p > = Buf . Data & & p < Buf . Data + Buf . Size ) ; }
void Clear ( ) { for ( int n = 0 ; n < Map . Data . Size ; n + + ) { int idx = Map . Data [ n ] . val_i ; if ( idx ! = - 1 ) Buf [ idx ] . ~ T ( ) ; } Map . Clear ( ) ; Buf . clear ( ) ; FreeIdx = 0 ; }
T * Add ( ) { int idx = FreeIdx ; if ( idx = = Buf . Size ) { Buf . resize ( Buf . Size + 1 ) ; FreeIdx + + ; } else { FreeIdx = * ( int * ) & Buf [ idx ] ; } IM_PLACEMENT_NEW ( & Buf [ idx ] ) T ( ) ; return & Buf [ idx ] ; }
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void Remove ( ImGuiID key , const T * p ) { Remove ( key , GetIndex ( p ) ) ; }
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void Remove ( ImGuiID key , ImPoolIdx idx ) { Buf [ idx ] . ~ T ( ) ; * ( int * ) & Buf [ idx ] = FreeIdx ; FreeIdx = idx ; Map . SetInt ( key , - 1 ) ; }
void Reserve ( int capacity ) { Buf . reserve ( capacity ) ; Map . Data . reserve ( capacity ) ; }
int GetSize ( ) const { return Buf . Size ; }
} ;
// Helper: ImChunkStream<>
// Build and iterate a contiguous stream of variable-sized structures.
// This is used by Settings to store persistent data while reducing allocation count.
// We store the chunk size first, and align the final size on 4 bytes boundaries (this what the '(X + 3) & ~3' statement is for)
// The tedious/zealous amount of casting is to avoid -Wcast-align warnings.
template < typename T >
struct IMGUI_API ImChunkStream
{
ImVector < char > Buf ;
void clear ( ) { Buf . clear ( ) ; }
bool empty ( ) const { return Buf . Size = = 0 ; }
int size ( ) const { return Buf . Size ; }
T * alloc_chunk ( size_t sz ) { size_t HDR_SZ = 4 ; sz = ( ( HDR_SZ + sz ) + 3u ) & ~ 3u ; int off = Buf . Size ; Buf . resize ( off + ( int ) sz ) ; ( ( int * ) ( void * ) ( Buf . Data + off ) ) [ 0 ] = ( int ) sz ; return ( T * ) ( void * ) ( Buf . Data + off + ( int ) HDR_SZ ) ; }
T * begin ( ) { size_t HDR_SZ = 4 ; if ( ! Buf . Data ) return NULL ; return ( T * ) ( void * ) ( Buf . Data + HDR_SZ ) ; }
T * next_chunk ( T * p ) { size_t HDR_SZ = 4 ; IM_ASSERT ( p > = begin ( ) & & p < end ( ) ) ; p = ( T * ) ( void * ) ( ( char * ) ( void * ) p + chunk_size ( p ) ) ; if ( p = = ( T * ) ( void * ) ( ( char * ) end ( ) + HDR_SZ ) ) return ( T * ) 0 ; IM_ASSERT ( p < end ( ) ) ; return p ; }
int chunk_size ( const T * p ) { return ( ( const int * ) p ) [ - 1 ] ; }
T * end ( ) { return ( T * ) ( void * ) ( Buf . Data + Buf . Size ) ; }
int offset_from_ptr ( const T * p ) { IM_ASSERT ( p > = begin ( ) & & p < end ( ) ) ; const ptrdiff_t off = ( const char * ) p - Buf . Data ; return ( int ) off ; }
T * ptr_from_offset ( int off ) { IM_ASSERT ( off > = 4 & & off < Buf . Size ) ; return ( T * ) ( void * ) ( Buf . Data + off ) ; }
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} ;
//-----------------------------------------------------------------------------
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// [SECTION] ImDrawList support
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//-----------------------------------------------------------------------------
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// ImDrawList: Helper function to calculate a circle's segment count given its radius and a "maximum error" value.
# define IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MIN 12
# define IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX 512
# define IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(_RAD,_MAXERROR) ImClamp((int)((IM_PI * 2.0f) / ImAcos(((_RAD) - (_MAXERROR)) / (_RAD))), IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MIN, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX)
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// ImDrawList: You may set this to higher values (e.g. 2 or 3) to increase tessellation of fast rounded corners path.
# ifndef IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER
# define IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER 1
# endif
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// Data shared between all ImDrawList instances
// You may want to create your own instance of this if you want to use ImDrawList completely without ImGui. In that case, watch out for future changes to this structure.
struct IMGUI_API ImDrawListSharedData
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{
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ImVec2 TexUvWhitePixel ; // UV of white pixel in the atlas
ImFont * Font ; // Current/default font (optional, for simplified AddText overload)
float FontSize ; // Current/default font size (optional, for simplified AddText overload)
float CurveTessellationTol ; // Tessellation tolerance when using PathBezierCurveTo()
float CircleSegmentMaxError ; // Number of circle segments to use per pixel of radius for AddCircle() etc
ImVec4 ClipRectFullscreen ; // Value for PushClipRectFullscreen()
ImDrawListFlags InitialFlags ; // Initial flags at the beginning of the frame (it is possible to alter flags on a per-drawlist basis afterwards)
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// [Internal] Lookup tables
ImVec2 ArcFastVtx [ 12 * IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER ] ; // FIXME: Bake rounded corners fill/borders in atlas
ImU8 CircleSegmentCounts [ 64 ] ; // Precomputed segment count for given radius (array index + 1) before we calculate it dynamically (to avoid calculation overhead)
const ImVec4 * TexUvLines ; // UV of anti-aliased lines in the atlas
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ImDrawListSharedData ( ) ;
void SetCircleSegmentMaxError ( float max_error ) ;
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} ;
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struct ImDrawDataBuilder
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{
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ImVector < ImDrawList * > Layers [ 2 ] ; // Global layers for: regular, tooltip
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void Clear ( ) { for ( int n = 0 ; n < IM_ARRAYSIZE ( Layers ) ; n + + ) Layers [ n ] . resize ( 0 ) ; }
void ClearFreeMemory ( ) { for ( int n = 0 ; n < IM_ARRAYSIZE ( Layers ) ; n + + ) Layers [ n ] . clear ( ) ; }
IMGUI_API void FlattenIntoSingleLayer ( ) ;
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} ;
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//-----------------------------------------------------------------------------
// [SECTION] Widgets support: flags, enums, data structures
//-----------------------------------------------------------------------------
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// Transient per-window flags, reset at the beginning of the frame. For child window, inherited from parent on first Begin().
// This is going to be exposed in imgui.h when stabilized enough.
enum ImGuiItemFlags_
{
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ImGuiItemFlags_None = 0 ,
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ImGuiItemFlags_NoTabStop = 1 < < 0 , // false
ImGuiItemFlags_ButtonRepeat = 1 < < 1 , // false // Button() will return true multiple times based on io.KeyRepeatDelay and io.KeyRepeatRate settings.
ImGuiItemFlags_Disabled = 1 < < 2 , // false // [BETA] Disable interactions but doesn't affect visuals yet. See github.com/ocornut/imgui/issues/211
ImGuiItemFlags_NoNav = 1 < < 3 , // false
ImGuiItemFlags_NoNavDefaultFocus = 1 < < 4 , // false
ImGuiItemFlags_SelectableDontClosePopup = 1 < < 5 , // false // MenuItem/Selectable() automatically closes current Popup window
ImGuiItemFlags_MixedValue = 1 < < 6 , // false // [BETA] Represent a mixed/indeterminate value, generally multi-selection where values differ. Currently only supported by Checkbox() (later should support all sorts of widgets)
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ImGuiItemFlags_ReadOnly = 1 < < 7 , // false // [ALPHA] Allow hovering interactions but underlying value is not changed.
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ImGuiItemFlags_Default_ = 0
} ;
// Storage for LastItem data
enum ImGuiItemStatusFlags_
{
ImGuiItemStatusFlags_None = 0 ,
ImGuiItemStatusFlags_HoveredRect = 1 < < 0 ,
ImGuiItemStatusFlags_HasDisplayRect = 1 < < 1 ,
ImGuiItemStatusFlags_Edited = 1 < < 2 , // Value exposed by item was edited in the current frame (should match the bool return value of most widgets)
ImGuiItemStatusFlags_ToggledSelection = 1 < < 3 , // Set when Selectable(), TreeNode() reports toggling a selection. We can't report "Selected" because reporting the change allows us to handle clipping with less issues.
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ImGuiItemStatusFlags_ToggledOpen = 1 < < 4 , // Set when TreeNode() reports toggling their open state.
ImGuiItemStatusFlags_HasDeactivated = 1 < < 5 , // Set if the widget/group is able to provide data for the ImGuiItemStatusFlags_Deactivated flag.
ImGuiItemStatusFlags_Deactivated = 1 < < 6 // Only valid if ImGuiItemStatusFlags_HasDeactivated is set.
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# ifdef IMGUI_ENABLE_TEST_ENGINE
, // [imgui_tests only]
ImGuiItemStatusFlags_Openable = 1 < < 10 , //
ImGuiItemStatusFlags_Opened = 1 < < 11 , //
ImGuiItemStatusFlags_Checkable = 1 < < 12 , //
ImGuiItemStatusFlags_Checked = 1 < < 13 //
# endif
} ;
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// Extend ImGuiButtonFlags_
enum ImGuiButtonFlagsPrivate_
{
ImGuiButtonFlags_PressedOnClick = 1 < < 4 , // return true on click (mouse down event)
ImGuiButtonFlags_PressedOnClickRelease = 1 < < 5 , // [Default] return true on click + release on same item <-- this is what the majority of Button are using
ImGuiButtonFlags_PressedOnClickReleaseAnywhere = 1 < < 6 , // return true on click + release even if the release event is not done while hovering the item
ImGuiButtonFlags_PressedOnRelease = 1 < < 7 , // return true on release (default requires click+release)
ImGuiButtonFlags_PressedOnDoubleClick = 1 < < 8 , // return true on double-click (default requires click+release)
ImGuiButtonFlags_PressedOnDragDropHold = 1 < < 9 , // return true when held into while we are drag and dropping another item (used by e.g. tree nodes, collapsing headers)
ImGuiButtonFlags_Repeat = 1 < < 10 , // hold to repeat
ImGuiButtonFlags_FlattenChildren = 1 < < 11 , // allow interactions even if a child window is overlapping
ImGuiButtonFlags_AllowItemOverlap = 1 < < 12 , // require previous frame HoveredId to either match id or be null before being usable, use along with SetItemAllowOverlap()
ImGuiButtonFlags_DontClosePopups = 1 < < 13 , // disable automatically closing parent popup on press // [UNUSED]
ImGuiButtonFlags_Disabled = 1 < < 14 , // disable interactions
ImGuiButtonFlags_AlignTextBaseLine = 1 < < 15 , // vertically align button to match text baseline - ButtonEx() only // FIXME: Should be removed and handled by SmallButton(), not possible currently because of DC.CursorPosPrevLine
ImGuiButtonFlags_NoKeyModifiers = 1 < < 16 , // disable mouse interaction if a key modifier is held
ImGuiButtonFlags_NoHoldingActiveId = 1 < < 17 , // don't set ActiveId while holding the mouse (ImGuiButtonFlags_PressedOnClick only)
ImGuiButtonFlags_NoNavFocus = 1 < < 18 , // don't override navigation focus when activated
ImGuiButtonFlags_NoHoveredOnFocus = 1 < < 19 , // don't report as hovered when nav focus is on this item
ImGuiButtonFlags_PressedOnMask_ = ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnClickReleaseAnywhere | ImGuiButtonFlags_PressedOnRelease | ImGuiButtonFlags_PressedOnDoubleClick | ImGuiButtonFlags_PressedOnDragDropHold ,
ImGuiButtonFlags_PressedOnDefault_ = ImGuiButtonFlags_PressedOnClickRelease
} ;
// Extend ImGuiSliderFlags_
enum ImGuiSliderFlagsPrivate_
{
ImGuiSliderFlags_Vertical = 1 < < 20 , // Should this slider be orientated vertically?
ImGuiSliderFlags_ReadOnly = 1 < < 21
} ;
// Extend ImGuiSelectableFlags_
enum ImGuiSelectableFlagsPrivate_
{
// NB: need to be in sync with last value of ImGuiSelectableFlags_
ImGuiSelectableFlags_NoHoldingActiveID = 1 < < 20 ,
ImGuiSelectableFlags_SelectOnClick = 1 < < 21 , // Override button behavior to react on Click (default is Click+Release)
ImGuiSelectableFlags_SelectOnRelease = 1 < < 22 , // Override button behavior to react on Release (default is Click+Release)
ImGuiSelectableFlags_SpanAvailWidth = 1 < < 23 , // Span all avail width even if we declared less for layout purpose. FIXME: We may be able to remove this (added in 6251d379, 2bcafc86 for menus)
ImGuiSelectableFlags_DrawHoveredWhenHeld = 1 < < 24 , // Always show active when held, even is not hovered. This concept could probably be renamed/formalized somehow.
ImGuiSelectableFlags_SetNavIdOnHover = 1 < < 25 , // Set Nav/Focus ID on mouse hover (used by MenuItem)
ImGuiSelectableFlags_NoPadWithHalfSpacing = 1 < < 26 // Disable padding each side with ItemSpacing * 0.5f
} ;
// Extend ImGuiTreeNodeFlags_
enum ImGuiTreeNodeFlagsPrivate_
{
ImGuiTreeNodeFlags_ClipLabelForTrailingButton = 1 < < 20
} ;
enum ImGuiSeparatorFlags_
{
ImGuiSeparatorFlags_None = 0 ,
ImGuiSeparatorFlags_Horizontal = 1 < < 0 , // Axis default to current layout type, so generally Horizontal unless e.g. in a menu bar
ImGuiSeparatorFlags_Vertical = 1 < < 1 ,
ImGuiSeparatorFlags_SpanAllColumns = 1 < < 2
} ;
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enum ImGuiTextFlags_
{
ImGuiTextFlags_None = 0 ,
ImGuiTextFlags_NoWidthForLargeClippedText = 1 < < 0
} ;
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enum ImGuiTooltipFlags_
{
ImGuiTooltipFlags_None = 0 ,
ImGuiTooltipFlags_OverridePreviousTooltip = 1 < < 0 // Override will clear/ignore previously submitted tooltip (defaults to append)
} ;
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// FIXME: this is in development, not exposed/functional as a generic feature yet.
// Horizontal/Vertical enums are fixed to 0/1 so they may be used to index ImVec2
enum ImGuiLayoutType_
{
ImGuiLayoutType_Horizontal = 0 ,
ImGuiLayoutType_Vertical = 1
} ;
enum ImGuiLogType
{
ImGuiLogType_None = 0 ,
ImGuiLogType_TTY ,
ImGuiLogType_File ,
ImGuiLogType_Buffer ,
ImGuiLogType_Clipboard
} ;
// X/Y enums are fixed to 0/1 so they may be used to index ImVec2
enum ImGuiAxis
{
ImGuiAxis_None = - 1 ,
ImGuiAxis_X = 0 ,
ImGuiAxis_Y = 1
} ;
enum ImGuiPlotType
{
ImGuiPlotType_Lines ,
ImGuiPlotType_Histogram
} ;
enum ImGuiInputSource
{
ImGuiInputSource_None = 0 ,
ImGuiInputSource_Mouse ,
ImGuiInputSource_Nav ,
ImGuiInputSource_NavKeyboard , // Only used occasionally for storage, not tested/handled by most code
ImGuiInputSource_NavGamepad , // "
ImGuiInputSource_COUNT
} ;
// FIXME-NAV: Clarify/expose various repeat delay/rate
enum ImGuiInputReadMode
{
ImGuiInputReadMode_Down ,
ImGuiInputReadMode_Pressed ,
ImGuiInputReadMode_Released ,
ImGuiInputReadMode_Repeat ,
ImGuiInputReadMode_RepeatSlow ,
ImGuiInputReadMode_RepeatFast
} ;
enum ImGuiNavHighlightFlags_
{
ImGuiNavHighlightFlags_None = 0 ,
ImGuiNavHighlightFlags_TypeDefault = 1 < < 0 ,
ImGuiNavHighlightFlags_TypeThin = 1 < < 1 ,
ImGuiNavHighlightFlags_AlwaysDraw = 1 < < 2 , // Draw rectangular highlight if (g.NavId == id) _even_ when using the mouse.
ImGuiNavHighlightFlags_NoRounding = 1 < < 3
} ;
enum ImGuiNavDirSourceFlags_
{
ImGuiNavDirSourceFlags_None = 0 ,
ImGuiNavDirSourceFlags_Keyboard = 1 < < 0 ,
ImGuiNavDirSourceFlags_PadDPad = 1 < < 1 ,
ImGuiNavDirSourceFlags_PadLStick = 1 < < 2
} ;
enum ImGuiNavMoveFlags_
{
ImGuiNavMoveFlags_None = 0 ,
ImGuiNavMoveFlags_LoopX = 1 < < 0 , // On failed request, restart from opposite side
ImGuiNavMoveFlags_LoopY = 1 < < 1 ,
ImGuiNavMoveFlags_WrapX = 1 < < 2 , // On failed request, request from opposite side one line down (when NavDir==right) or one line up (when NavDir==left)
ImGuiNavMoveFlags_WrapY = 1 < < 3 , // This is not super useful for provided for completeness
ImGuiNavMoveFlags_AllowCurrentNavId = 1 < < 4 , // Allow scoring and considering the current NavId as a move target candidate. This is used when the move source is offset (e.g. pressing PageDown actually needs to send a Up move request, if we are pressing PageDown from the bottom-most item we need to stay in place)
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ImGuiNavMoveFlags_AlsoScoreVisibleSet = 1 < < 5 , // Store alternate result in NavMoveResultLocalVisibleSet that only comprise elements that are already fully visible.
ImGuiNavMoveFlags_ScrollToEdge = 1 < < 6
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} ;
enum ImGuiNavForward
{
ImGuiNavForward_None ,
ImGuiNavForward_ForwardQueued ,
ImGuiNavForward_ForwardActive
} ;
enum ImGuiNavLayer
{
ImGuiNavLayer_Main = 0 , // Main scrolling layer
ImGuiNavLayer_Menu = 1 , // Menu layer (access with Alt/ImGuiNavInput_Menu)
ImGuiNavLayer_COUNT
} ;
enum ImGuiPopupPositionPolicy
{
ImGuiPopupPositionPolicy_Default ,
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ImGuiPopupPositionPolicy_ComboBox ,
ImGuiPopupPositionPolicy_Tooltip
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} ;
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struct ImGuiDataTypeTempStorage
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{
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ImU8 Data [ 8 ] ; // Can fit any data up to ImGuiDataType_COUNT
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} ;
// Type information associated to one ImGuiDataType. Retrieve with DataTypeGetInfo().
struct ImGuiDataTypeInfo
{
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size_t Size ; // Size in bytes
const char * Name ; // Short descriptive name for the type, for debugging
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const char * PrintFmt ; // Default printf format for the type
const char * ScanFmt ; // Default scanf format for the type
} ;
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// Extend ImGuiDataType_
enum ImGuiDataTypePrivate_
{
ImGuiDataType_String = ImGuiDataType_COUNT + 1 ,
ImGuiDataType_Pointer ,
ImGuiDataType_ID
} ;
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// Stacked color modifier, backup of modified data so we can restore it
struct ImGuiColorMod
{
ImGuiCol Col ;
ImVec4 BackupValue ;
} ;
// Stacked style modifier, backup of modified data so we can restore it. Data type inferred from the variable.
struct ImGuiStyleMod
{
ImGuiStyleVar VarIdx ;
union { int BackupInt [ 2 ] ; float BackupFloat [ 2 ] ; } ;
ImGuiStyleMod ( ImGuiStyleVar idx , int v ) { VarIdx = idx ; BackupInt [ 0 ] = v ; }
ImGuiStyleMod ( ImGuiStyleVar idx , float v ) { VarIdx = idx ; BackupFloat [ 0 ] = v ; }
ImGuiStyleMod ( ImGuiStyleVar idx , ImVec2 v ) { VarIdx = idx ; BackupFloat [ 0 ] = v . x ; BackupFloat [ 1 ] = v . y ; }
} ;
// Stacked storage data for BeginGroup()/EndGroup()
struct ImGuiGroupData
{
ImVec2 BackupCursorPos ;
ImVec2 BackupCursorMaxPos ;
ImVec1 BackupIndent ;
ImVec1 BackupGroupOffset ;
ImVec2 BackupCurrLineSize ;
float BackupCurrLineTextBaseOffset ;
ImGuiID BackupActiveIdIsAlive ;
bool BackupActiveIdPreviousFrameIsAlive ;
bool EmitItem ;
} ;
// Simple column measurement, currently used for MenuItem() only.. This is very short-sighted/throw-away code and NOT a generic helper.
struct IMGUI_API ImGuiMenuColumns
{
float Spacing ;
float Width , NextWidth ;
float Pos [ 3 ] , NextWidths [ 3 ] ;
ImGuiMenuColumns ( ) ;
void Update ( int count , float spacing , bool clear ) ;
float DeclColumns ( float w0 , float w1 , float w2 ) ;
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float CalcExtraSpace ( float avail_w ) const ;
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} ;
// Internal state of the currently focused/edited text input box
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// For a given item ID, access with ImGui::GetInputTextState()
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struct IMGUI_API ImGuiInputTextState
{
ImGuiID ID ; // widget id owning the text state
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int CurLenW , CurLenA ; // we need to maintain our buffer length in both UTF-8 and wchar format. UTF-8 length is valid even if TextA is not.
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ImVector < ImWchar > TextW ; // edit buffer, we need to persist but can't guarantee the persistence of the user-provided buffer. so we copy into own buffer.
ImVector < char > TextA ; // temporary UTF8 buffer for callbacks and other operations. this is not updated in every code-path! size=capacity.
ImVector < char > InitialTextA ; // backup of end-user buffer at the time of focus (in UTF-8, unaltered)
bool TextAIsValid ; // temporary UTF8 buffer is not initially valid before we make the widget active (until then we pull the data from user argument)
int BufCapacityA ; // end-user buffer capacity
float ScrollX ; // horizontal scrolling/offset
ImStb : : STB_TexteditState Stb ; // state for stb_textedit.h
float CursorAnim ; // timer for cursor blink, reset on every user action so the cursor reappears immediately
bool CursorFollow ; // set when we want scrolling to follow the current cursor position (not always!)
bool SelectedAllMouseLock ; // after a double-click to select all, we ignore further mouse drags to update selection
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bool Edited ; // edited this frame
ImGuiInputTextFlags UserFlags ; // Temporarily set while we call user's callback
ImGuiInputTextCallback UserCallback ; // "
void * UserCallbackData ; // "
ImGuiInputTextState ( ) { memset ( this , 0 , sizeof ( * this ) ) ; }
void ClearText ( ) { CurLenW = CurLenA = 0 ; TextW [ 0 ] = 0 ; TextA [ 0 ] = 0 ; CursorClamp ( ) ; }
void ClearFreeMemory ( ) { TextW . clear ( ) ; TextA . clear ( ) ; InitialTextA . clear ( ) ; }
int GetUndoAvailCount ( ) const { return Stb . undostate . undo_point ; }
int GetRedoAvailCount ( ) const { return STB_TEXTEDIT_UNDOSTATECOUNT - Stb . undostate . redo_point ; }
void OnKeyPressed ( int key ) ; // Cannot be inline because we call in code in stb_textedit.h implementation
// Cursor & Selection
void CursorAnimReset ( ) { CursorAnim = - 0.30f ; } // After a user-input the cursor stays on for a while without blinking
void CursorClamp ( ) { Stb . cursor = ImMin ( Stb . cursor , CurLenW ) ; Stb . select_start = ImMin ( Stb . select_start , CurLenW ) ; Stb . select_end = ImMin ( Stb . select_end , CurLenW ) ; }
bool HasSelection ( ) const { return Stb . select_start ! = Stb . select_end ; }
void ClearSelection ( ) { Stb . select_start = Stb . select_end = Stb . cursor ; }
void SelectAll ( ) { Stb . select_start = 0 ; Stb . cursor = Stb . select_end = CurLenW ; Stb . has_preferred_x = 0 ; }
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} ;
// Storage for current popup stack
struct ImGuiPopupData
{
ImGuiID PopupId ; // Set on OpenPopup()
ImGuiWindow * Window ; // Resolved on BeginPopup() - may stay unresolved if user never calls OpenPopup()
ImGuiWindow * SourceWindow ; // Set on OpenPopup() copy of NavWindow at the time of opening the popup
int OpenFrameCount ; // Set on OpenPopup()
ImGuiID OpenParentId ; // Set on OpenPopup(), we need this to differentiate multiple menu sets from each others (e.g. inside menu bar vs loose menu items)
ImVec2 OpenPopupPos ; // Set on OpenPopup(), preferred popup position (typically == OpenMousePos when using mouse)
ImVec2 OpenMousePos ; // Set on OpenPopup(), copy of mouse position at the time of opening popup
ImGuiPopupData ( ) { PopupId = 0 ; Window = SourceWindow = NULL ; OpenFrameCount = - 1 ; OpenParentId = 0 ; }
} ;
struct ImGuiNavMoveResult
{
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ImGuiWindow * Window ; // Best candidate window
ImGuiID ID ; // Best candidate ID
ImGuiID FocusScopeId ; // Best candidate focus scope ID
float DistBox ; // Best candidate box distance to current NavId
float DistCenter ; // Best candidate center distance to current NavId
float DistAxial ;
ImRect RectRel ; // Best candidate bounding box in window relative space
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ImGuiNavMoveResult ( ) { Clear ( ) ; }
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void Clear ( ) { Window = NULL ; ID = FocusScopeId = 0 ; DistBox = DistCenter = DistAxial = FLT_MAX ; RectRel = ImRect ( ) ; }
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} ;
enum ImGuiNextWindowDataFlags_
{
ImGuiNextWindowDataFlags_None = 0 ,
ImGuiNextWindowDataFlags_HasPos = 1 < < 0 ,
ImGuiNextWindowDataFlags_HasSize = 1 < < 1 ,
ImGuiNextWindowDataFlags_HasContentSize = 1 < < 2 ,
ImGuiNextWindowDataFlags_HasCollapsed = 1 < < 3 ,
ImGuiNextWindowDataFlags_HasSizeConstraint = 1 < < 4 ,
ImGuiNextWindowDataFlags_HasFocus = 1 < < 5 ,
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ImGuiNextWindowDataFlags_HasBgAlpha = 1 < < 6 ,
ImGuiNextWindowDataFlags_HasScroll = 1 < < 7
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} ;
// Storage for SetNexWindow** functions
struct ImGuiNextWindowData
{
ImGuiNextWindowDataFlags Flags ;
ImGuiCond PosCond ;
ImGuiCond SizeCond ;
ImGuiCond CollapsedCond ;
ImVec2 PosVal ;
ImVec2 PosPivotVal ;
ImVec2 SizeVal ;
ImVec2 ContentSizeVal ;
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ImVec2 ScrollVal ;
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bool CollapsedVal ;
ImRect SizeConstraintRect ;
ImGuiSizeCallback SizeCallback ;
void * SizeCallbackUserData ;
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float BgAlphaVal ; // Override background alpha
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ImVec2 MenuBarOffsetMinVal ; // *Always on* This is not exposed publicly, so we don't clear it.
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ImGuiNextWindowData ( ) { memset ( this , 0 , sizeof ( * this ) ) ; }
inline void ClearFlags ( ) { Flags = ImGuiNextWindowDataFlags_None ; }
} ;
enum ImGuiNextItemDataFlags_
{
ImGuiNextItemDataFlags_None = 0 ,
ImGuiNextItemDataFlags_HasWidth = 1 < < 0 ,
ImGuiNextItemDataFlags_HasOpen = 1 < < 1
} ;
struct ImGuiNextItemData
{
ImGuiNextItemDataFlags Flags ;
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float Width ; // Set by SetNextItemWidth()
ImGuiID FocusScopeId ; // Set by SetNextItemMultiSelectData() (!= 0 signify value has been set, so it's an alternate version of HasSelectionData, we don't use Flags for this because they are cleared too early. This is mostly used for debugging)
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ImGuiCond OpenCond ;
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bool OpenVal ; // Set by SetNextItemOpen()
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ImGuiNextItemData ( ) { memset ( this , 0 , sizeof ( * this ) ) ; }
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inline void ClearFlags ( ) { Flags = ImGuiNextItemDataFlags_None ; } // Also cleared manually by ItemAdd()!
} ;
struct ImGuiShrinkWidthItem
{
int Index ;
float Width ;
} ;
struct ImGuiPtrOrIndex
{
void * Ptr ; // Either field can be set, not both. e.g. Dock node tab bars are loose while BeginTabBar() ones are in a pool.
int Index ; // Usually index in a main pool.
ImGuiPtrOrIndex ( void * ptr ) { Ptr = ptr ; Index = - 1 ; }
ImGuiPtrOrIndex ( int index ) { Ptr = NULL ; Index = index ; }
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} ;
//-----------------------------------------------------------------------------
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// [SECTION] Columns support
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//-----------------------------------------------------------------------------
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enum ImGuiColumnsFlags_
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{
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// Default: 0
ImGuiColumnsFlags_None = 0 ,
ImGuiColumnsFlags_NoBorder = 1 < < 0 , // Disable column dividers
ImGuiColumnsFlags_NoResize = 1 < < 1 , // Disable resizing columns when clicking on the dividers
ImGuiColumnsFlags_NoPreserveWidths = 1 < < 2 , // Disable column width preservation when adjusting columns
ImGuiColumnsFlags_NoForceWithinWindow = 1 < < 3 , // Disable forcing columns to fit within window
ImGuiColumnsFlags_GrowParentContentsSize = 1 < < 4 // (WIP) Restore pre-1.51 behavior of extending the parent window contents size but _without affecting the columns width at all_. Will eventually remove.
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} ;
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struct ImGuiColumnData
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{
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float OffsetNorm ; // Column start offset, normalized 0.0 (far left) -> 1.0 (far right)
float OffsetNormBeforeResize ;
ImGuiColumnsFlags Flags ; // Not exposed
ImRect ClipRect ;
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ImGuiColumnData ( ) { OffsetNorm = OffsetNormBeforeResize = 0.0f ; Flags = ImGuiColumnsFlags_None ; }
} ;
struct ImGuiColumns
{
ImGuiID ID ;
ImGuiColumnsFlags Flags ;
bool IsFirstFrame ;
bool IsBeingResized ;
int Current ;
int Count ;
float OffMinX , OffMaxX ; // Offsets from HostWorkRect.Min.x
float LineMinY , LineMaxY ;
float HostCursorPosY ; // Backup of CursorPos at the time of BeginColumns()
float HostCursorMaxPosX ; // Backup of CursorMaxPos at the time of BeginColumns()
ImRect HostInitialClipRect ; // Backup of ClipRect at the time of BeginColumns()
ImRect HostBackupClipRect ; // Backup of ClipRect during PushColumnsBackground()/PopColumnsBackground()
ImRect HostBackupParentWorkRect ; //Backup of WorkRect at the time of BeginColumns()
ImVector < ImGuiColumnData > Columns ;
ImDrawListSplitter Splitter ;
ImGuiColumns ( ) { Clear ( ) ; }
void Clear ( )
{
ID = 0 ;
Flags = ImGuiColumnsFlags_None ;
IsFirstFrame = false ;
IsBeingResized = false ;
Current = 0 ;
Count = 1 ;
OffMinX = OffMaxX = 0.0f ;
LineMinY = LineMaxY = 0.0f ;
HostCursorPosY = 0.0f ;
HostCursorMaxPosX = 0.0f ;
Columns . clear ( ) ;
}
} ;
//-----------------------------------------------------------------------------
// [SECTION] Multi-select support
//-----------------------------------------------------------------------------
# ifdef IMGUI_HAS_MULTI_SELECT
// <this is filled in 'range_select' branch>
# endif // #ifdef IMGUI_HAS_MULTI_SELECT
//-----------------------------------------------------------------------------
// [SECTION] Docking support
//-----------------------------------------------------------------------------
# ifdef IMGUI_HAS_DOCK
// <this is filled in 'docking' branch>
# endif // #ifdef IMGUI_HAS_DOCK
//-----------------------------------------------------------------------------
// [SECTION] Viewport support
//-----------------------------------------------------------------------------
# ifdef IMGUI_HAS_VIEWPORT
// <this is filled in 'docking' branch>
# endif // #ifdef IMGUI_HAS_VIEWPORT
//-----------------------------------------------------------------------------
// [SECTION] Settings support
//-----------------------------------------------------------------------------
// Windows data saved in imgui.ini file
// Because we never destroy or rename ImGuiWindowSettings, we can store the names in a separate buffer easily.
// (this is designed to be stored in a ImChunkStream buffer, with the variable-length Name following our structure)
struct ImGuiWindowSettings
{
ImGuiID ID ;
ImVec2ih Pos ;
ImVec2ih Size ;
bool Collapsed ;
bool WantApply ; // Set when loaded from .ini data (to enable merging/loading .ini data into an already running context)
ImGuiWindowSettings ( ) { ID = 0 ; Pos = Size = ImVec2ih ( 0 , 0 ) ; Collapsed = WantApply = false ; }
char * GetName ( ) { return ( char * ) ( this + 1 ) ; }
} ;
struct ImGuiSettingsHandler
{
const char * TypeName ; // Short description stored in .ini file. Disallowed characters: '[' ']'
ImGuiID TypeHash ; // == ImHashStr(TypeName)
void ( * ClearAllFn ) ( ImGuiContext * ctx , ImGuiSettingsHandler * handler ) ; // Clear all settings data
void ( * ReadInitFn ) ( ImGuiContext * ctx , ImGuiSettingsHandler * handler ) ; // Read: Called before reading (in registration order)
void * ( * ReadOpenFn ) ( ImGuiContext * ctx , ImGuiSettingsHandler * handler , const char * name ) ; // Read: Called when entering into a new ini entry e.g. "[Window][Name]"
void ( * ReadLineFn ) ( ImGuiContext * ctx , ImGuiSettingsHandler * handler , void * entry , const char * line ) ; // Read: Called for every line of text within an ini entry
void ( * ApplyAllFn ) ( ImGuiContext * ctx , ImGuiSettingsHandler * handler ) ; // Read: Called after reading (in registration order)
void ( * WriteAllFn ) ( ImGuiContext * ctx , ImGuiSettingsHandler * handler , ImGuiTextBuffer * out_buf ) ; // Write: Output every entries into 'out_buf'
void * UserData ;
ImGuiSettingsHandler ( ) { memset ( this , 0 , sizeof ( * this ) ) ; }
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} ;
//-----------------------------------------------------------------------------
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// [SECTION] ImGuiContext (main imgui context)
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//-----------------------------------------------------------------------------
struct ImGuiContext
{
bool Initialized ;
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bool FontAtlasOwnedByContext ; // IO.Fonts-> is owned by the ImGuiContext and will be destructed along with it.
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ImGuiIO IO ;
ImGuiStyle Style ;
ImFont * Font ; // (Shortcut) == FontStack.empty() ? IO.Font : FontStack.back()
float FontSize ; // (Shortcut) == FontBaseSize * g.CurrentWindow->FontWindowScale == window->FontSize(). Text height for current window.
float FontBaseSize ; // (Shortcut) == IO.FontGlobalScale * Font->Scale * Font->FontSize. Base text height.
ImDrawListSharedData DrawListSharedData ;
double Time ;
int FrameCount ;
int FrameCountEnded ;
int FrameCountRendered ;
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bool WithinFrameScope ; // Set by NewFrame(), cleared by EndFrame()
bool WithinFrameScopeWithImplicitWindow ; // Set by NewFrame(), cleared by EndFrame() when the implicit debug window has been pushed
bool WithinEndChild ; // Set within EndChild()
bool TestEngineHookItems ; // Will call test engine hooks: ImGuiTestEngineHook_ItemAdd(), ImGuiTestEngineHook_ItemInfo(), ImGuiTestEngineHook_Log()
ImGuiID TestEngineHookIdInfo ; // Will call test engine hooks: ImGuiTestEngineHook_IdInfo() from GetID()
void * TestEngine ; // Test engine user data
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// Windows state
ImVector < ImGuiWindow * > Windows ; // Windows, sorted in display order, back to front
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ImVector < ImGuiWindow * > WindowsFocusOrder ; // Windows, sorted in focus order, back to front. (FIXME: We could only store root windows here! Need to sort out the Docking equivalent which is RootWindowDockStop and is unfortunately a little more dynamic)
ImVector < ImGuiWindow * > WindowsTempSortBuffer ; // Temporary buffer used in EndFrame() to reorder windows so parents are kept before their child
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ImVector < ImGuiWindow * > CurrentWindowStack ;
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ImGuiStorage WindowsById ; // Map window's ImGuiID to ImGuiWindow*
int WindowsActiveCount ; // Number of unique windows submitted by frame
ImGuiWindow * CurrentWindow ; // Window being drawn into
ImGuiWindow * HoveredWindow ; // Window the mouse is hovering. Will typically catch mouse inputs.
ImGuiWindow * HoveredRootWindow ; // == HoveredWindow ? HoveredWindow->RootWindow : NULL, merely a shortcut to avoid null test in some situation.
ImGuiWindow * HoveredWindowUnderMovingWindow ; // Hovered window ignoring MovingWindow. Only set if MovingWindow is set.
ImGuiWindow * MovingWindow ; // Track the window we clicked on (in order to preserve focus). The actual window that is moved is generally MovingWindow->RootWindow.
ImGuiWindow * WheelingWindow ; // Track the window we started mouse-wheeling on. Until a timer elapse or mouse has moved, generally keep scrolling the same window even if during the course of scrolling the mouse ends up hovering a child window.
ImVec2 WheelingWindowRefMousePos ;
float WheelingWindowTimer ;
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// Item/widgets state and tracking information
ImGuiID HoveredId ; // Hovered widget
ImGuiID HoveredIdPreviousFrame ;
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bool HoveredIdAllowOverlap ;
bool HoveredIdDisabled ; // At least one widget passed the rect test, but has been discarded by disabled flag or popup inhibit. May be true even if HoveredId == 0.
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float HoveredIdTimer ; // Measure contiguous hovering time
float HoveredIdNotActiveTimer ; // Measure contiguous hovering time where the item has not been active
ImGuiID ActiveId ; // Active widget
ImGuiID ActiveIdIsAlive ; // Active widget has been seen this frame (we can't use a bool as the ActiveId may change within the frame)
float ActiveIdTimer ;
bool ActiveIdIsJustActivated ; // Set at the time of activation for one frame
bool ActiveIdAllowOverlap ; // Active widget allows another widget to steal active id (generally for overlapping widgets, but not always)
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bool ActiveIdNoClearOnFocusLoss ; // Disable losing active id if the active id window gets unfocused.
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bool ActiveIdHasBeenPressedBefore ; // Track whether the active id led to a press (this is to allow changing between PressOnClick and PressOnRelease without pressing twice). Used by range_select branch.
bool ActiveIdHasBeenEditedBefore ; // Was the value associated to the widget Edited over the course of the Active state.
bool ActiveIdHasBeenEditedThisFrame ;
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ImU32 ActiveIdUsingNavDirMask ; // Active widget will want to read those nav move requests (e.g. can activate a button and move away from it)
ImU32 ActiveIdUsingNavInputMask ; // Active widget will want to read those nav inputs.
ImU64 ActiveIdUsingKeyInputMask ; // Active widget will want to read those key inputs. When we grow the ImGuiKey enum we'll need to either to order the enum to make useful keys come first, either redesign this into e.g. a small array.
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ImVec2 ActiveIdClickOffset ; // Clicked offset from upper-left corner, if applicable (currently only set by ButtonBehavior)
ImGuiWindow * ActiveIdWindow ;
ImGuiInputSource ActiveIdSource ; // Activating with mouse or nav (gamepad/keyboard)
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int ActiveIdMouseButton ;
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ImGuiID ActiveIdPreviousFrame ;
bool ActiveIdPreviousFrameIsAlive ;
bool ActiveIdPreviousFrameHasBeenEditedBefore ;
ImGuiWindow * ActiveIdPreviousFrameWindow ;
ImGuiID LastActiveId ; // Store the last non-zero ActiveId, useful for animation.
float LastActiveIdTimer ; // Store the last non-zero ActiveId timer since the beginning of activation, useful for animation.
// Next window/item data
ImGuiNextWindowData NextWindowData ; // Storage for SetNextWindow** functions
ImGuiNextItemData NextItemData ; // Storage for SetNextItem** functions
// Shared stacks
ImVector < ImGuiColorMod > ColorModifiers ; // Stack for PushStyleColor()/PopStyleColor()
ImVector < ImGuiStyleMod > StyleModifiers ; // Stack for PushStyleVar()/PopStyleVar()
ImVector < ImFont * > FontStack ; // Stack for PushFont()/PopFont()
ImVector < ImGuiPopupData > OpenPopupStack ; // Which popups are open (persistent)
ImVector < ImGuiPopupData > BeginPopupStack ; // Which level of BeginPopup() we are in (reset every frame)
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// Gamepad/keyboard Navigation
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ImGuiWindow * NavWindow ; // Focused window for navigation. Could be called 'FocusWindow'
ImGuiID NavId ; // Focused item for navigation
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ImGuiID NavFocusScopeId ; // Identify a selection scope (selection code often wants to "clear other items" when landing on an item of the selection set)
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ImGuiID NavActivateId ; // ~~ (g.ActiveId == 0) && IsNavInputPressed(ImGuiNavInput_Activate) ? NavId : 0, also set when calling ActivateItem()
ImGuiID NavActivateDownId ; // ~~ IsNavInputDown(ImGuiNavInput_Activate) ? NavId : 0
ImGuiID NavActivatePressedId ; // ~~ IsNavInputPressed(ImGuiNavInput_Activate) ? NavId : 0
ImGuiID NavInputId ; // ~~ IsNavInputPressed(ImGuiNavInput_Input) ? NavId : 0
ImGuiID NavJustTabbedId ; // Just tabbed to this id.
ImGuiID NavJustMovedToId ; // Just navigated to this id (result of a successfully MoveRequest).
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ImGuiID NavJustMovedToFocusScopeId ; // Just navigated to this focus scope id (result of a successfully MoveRequest).
ImGuiKeyModFlags NavJustMovedToKeyMods ;
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ImGuiID NavNextActivateId ; // Set by ActivateItem(), queued until next frame.
ImGuiInputSource NavInputSource ; // Keyboard or Gamepad mode? THIS WILL ONLY BE None or NavGamepad or NavKeyboard.
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ImRect NavScoringRect ; // Rectangle used for scoring, in screen space. Based of window->NavRectRel[], modified for directional navigation scoring.
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int NavScoringCount ; // Metrics for debugging
ImGuiNavLayer NavLayer ; // Layer we are navigating on. For now the system is hard-coded for 0=main contents and 1=menu/title bar, may expose layers later.
int NavIdTabCounter ; // == NavWindow->DC.FocusIdxTabCounter at time of NavId processing
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bool NavIdIsAlive ; // Nav widget has been seen this frame ~~ NavRectRel is valid
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bool NavMousePosDirty ; // When set we will update mouse position if (io.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos) if set (NB: this not enabled by default)
bool NavDisableHighlight ; // When user starts using mouse, we hide gamepad/keyboard highlight (NB: but they are still available, which is why NavDisableHighlight isn't always != NavDisableMouseHover)
bool NavDisableMouseHover ; // When user starts using gamepad/keyboard, we hide mouse hovering highlight until mouse is touched again.
bool NavAnyRequest ; // ~~ NavMoveRequest || NavInitRequest
bool NavInitRequest ; // Init request for appearing window to select first item
bool NavInitRequestFromMove ;
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ImGuiID NavInitResultId ; // Init request result (first item of the window, or one for which SetItemDefaultFocus() was called)
ImRect NavInitResultRectRel ; // Init request result rectangle (relative to parent window)
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bool NavMoveRequest ; // Move request for this frame
ImGuiNavMoveFlags NavMoveRequestFlags ;
ImGuiNavForward NavMoveRequestForward ; // None / ForwardQueued / ForwardActive (this is used to navigate sibling parent menus from a child menu)
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ImGuiKeyModFlags NavMoveRequestKeyMods ;
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ImGuiDir NavMoveDir , NavMoveDirLast ; // Direction of the move request (left/right/up/down), direction of the previous move request
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ImGuiDir NavMoveClipDir ; // FIXME-NAV: Describe the purpose of this better. Might want to rename?
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ImGuiNavMoveResult NavMoveResultLocal ; // Best move request candidate within NavWindow
ImGuiNavMoveResult NavMoveResultLocalVisibleSet ; // Best move request candidate within NavWindow that are mostly visible (when using ImGuiNavMoveFlags_AlsoScoreVisibleSet flag)
ImGuiNavMoveResult NavMoveResultOther ; // Best move request candidate within NavWindow's flattened hierarchy (when using ImGuiWindowFlags_NavFlattened flag)
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ImGuiWindow * NavWrapRequestWindow ; // Window which requested trying nav wrap-around.
ImGuiNavMoveFlags NavWrapRequestFlags ; // Wrap-around operation flags.
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// Navigation: Windowing (CTRL+TAB for list, or Menu button + keys or directional pads to move/resize)
ImGuiWindow * NavWindowingTarget ; // Target window when doing CTRL+Tab (or Pad Menu + FocusPrev/Next), this window is temporarily displayed top-most!
ImGuiWindow * NavWindowingTargetAnim ; // Record of last valid NavWindowingTarget until DimBgRatio and NavWindowingHighlightAlpha becomes 0.0f, so the fade-out can stay on it.
ImGuiWindow * NavWindowingListWindow ; // Internal window actually listing the CTRL+Tab contents
float NavWindowingTimer ;
float NavWindowingHighlightAlpha ;
bool NavWindowingToggleLayer ;
// Legacy Focus/Tabbing system (older than Nav, active even if Nav is disabled, misnamed. FIXME-NAV: This needs a redesign!)
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ImGuiWindow * FocusRequestCurrWindow ; //
ImGuiWindow * FocusRequestNextWindow ; //
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int FocusRequestCurrCounterRegular ; // Any item being requested for focus, stored as an index (we on layout to be stable between the frame pressing TAB and the next frame, semi-ouch)
int FocusRequestCurrCounterTabStop ; // Tab item being requested for focus, stored as an index
int FocusRequestNextCounterRegular ; // Stored for next frame
int FocusRequestNextCounterTabStop ; // "
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bool FocusTabPressed ; //
// Render
ImDrawData DrawData ; // Main ImDrawData instance to pass render information to the user
ImDrawDataBuilder DrawDataBuilder ;
float DimBgRatio ; // 0.0..1.0 animation when fading in a dimming background (for modal window and CTRL+TAB list)
ImDrawList BackgroundDrawList ; // First draw list to be rendered.
ImDrawList ForegroundDrawList ; // Last draw list to be rendered. This is where we the render software mouse cursor (if io.MouseDrawCursor is set) and most debug overlays.
ImGuiMouseCursor MouseCursor ;
// Drag and Drop
bool DragDropActive ;
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bool DragDropWithinSource ; // Set when within a BeginDragDropXXX/EndDragDropXXX block for a drag source.
bool DragDropWithinTarget ; // Set when within a BeginDragDropXXX/EndDragDropXXX block for a drag target.
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ImGuiDragDropFlags DragDropSourceFlags ;
int DragDropSourceFrameCount ;
int DragDropMouseButton ;
ImGuiPayload DragDropPayload ;
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ImRect DragDropTargetRect ; // Store rectangle of current target candidate (we favor small targets when overlapping)
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ImGuiID DragDropTargetId ;
ImGuiDragDropFlags DragDropAcceptFlags ;
float DragDropAcceptIdCurrRectSurface ; // Target item surface (we resolve overlapping targets by prioritizing the smaller surface)
ImGuiID DragDropAcceptIdCurr ; // Target item id (set at the time of accepting the payload)
ImGuiID DragDropAcceptIdPrev ; // Target item id from previous frame (we need to store this to allow for overlapping drag and drop targets)
int DragDropAcceptFrameCount ; // Last time a target expressed a desire to accept the source
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ImGuiID DragDropHoldJustPressedId ; // Set when holding a payload just made ButtonBehavior() return a press.
ImVector < unsigned char > DragDropPayloadBufHeap ; // We don't expose the ImVector<> directly, ImGuiPayload only holds pointer+size
unsigned char DragDropPayloadBufLocal [ 16 ] ; // Local buffer for small payloads
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// Tab bars
ImGuiTabBar * CurrentTabBar ;
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ImPool < ImGuiTabBar > TabBars ;
ImVector < ImGuiPtrOrIndex > CurrentTabBarStack ;
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ImVector < ImGuiShrinkWidthItem > ShrinkWidthBuffer ;
// Widget state
ImVec2 LastValidMousePos ;
ImGuiInputTextState InputTextState ;
ImFont InputTextPasswordFont ;
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ImGuiID TempInputId ; // Temporary text input when CTRL+clicking on a slider, etc.
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ImGuiColorEditFlags ColorEditOptions ; // Store user options for color edit widgets
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float ColorEditLastHue ; // Backup of last Hue associated to LastColor[3], so we can restore Hue in lossy RGB<>HSV round trips
float ColorEditLastSat ; // Backup of last Saturation associated to LastColor[3], so we can restore Saturation in lossy RGB<>HSV round trips
float ColorEditLastColor [ 3 ] ;
ImVec4 ColorPickerRef ; // Initial/reference color at the time of opening the color picker.
float SliderCurrentAccum ; // Accumulated slider delta when using navigation controls.
bool SliderCurrentAccumDirty ; // Has the accumulated slider delta changed since last time we tried to apply it?
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bool DragCurrentAccumDirty ;
float DragCurrentAccum ; // Accumulator for dragging modification. Always high-precision, not rounded by end-user precision settings
float DragSpeedDefaultRatio ; // If speed == 0.0f, uses (max-min) * DragSpeedDefaultRatio
float ScrollbarClickDeltaToGrabCenter ; // Distance between mouse and center of grab box, normalized in parent space. Use storage?
int TooltipOverrideCount ;
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ImVector < char > ClipboardHandlerData ; // If no custom clipboard handler is defined
ImVector < ImGuiID > MenusIdSubmittedThisFrame ; // A list of menu IDs that were rendered at least once
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// Platform support
ImVec2 PlatformImePos ; // Cursor position request & last passed to the OS Input Method Editor
ImVec2 PlatformImeLastPos ;
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char PlatformLocaleDecimalPoint ; // '.' or *localeconv()->decimal_point
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// Settings
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bool SettingsLoaded ;
float SettingsDirtyTimer ; // Save .ini Settings to memory when time reaches zero
ImGuiTextBuffer SettingsIniData ; // In memory .ini settings
ImVector < ImGuiSettingsHandler > SettingsHandlers ; // List of .ini settings handlers
ImChunkStream < ImGuiWindowSettings > SettingsWindows ; // ImGuiWindow .ini settings entries
// Capture/Logging
bool LogEnabled ; // Currently capturing
ImGuiLogType LogType ; // Capture target
ImFileHandle LogFile ; // If != NULL log to stdout/ file
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ImGuiTextBuffer LogBuffer ; // Accumulation buffer when log to clipboard. This is pointer so our GImGui static constructor doesn't call heap allocators.
float LogLinePosY ;
bool LogLineFirstItem ;
int LogDepthRef ;
int LogDepthToExpand ;
int LogDepthToExpandDefault ; // Default/stored value for LogDepthMaxExpand if not specified in the LogXXX function call.
// Debug Tools
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bool DebugItemPickerActive ; // Item picker is active (started with DebugStartItemPicker())
ImGuiID DebugItemPickerBreakId ; // Will call IM_DEBUG_BREAK() when encountering this id
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// Misc
float FramerateSecPerFrame [ 120 ] ; // Calculate estimate of framerate for user over the last 2 seconds.
int FramerateSecPerFrameIdx ;
float FramerateSecPerFrameAccum ;
int WantCaptureMouseNextFrame ; // Explicit capture via CaptureKeyboardFromApp()/CaptureMouseFromApp() sets those flags
int WantCaptureKeyboardNextFrame ;
int WantTextInputNextFrame ;
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char TempBuffer [ 1024 * 3 + 1 ] ; // Temporary text buffer
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ImGuiContext ( ImFontAtlas * shared_font_atlas ) : BackgroundDrawList ( & DrawListSharedData ) , ForegroundDrawList ( & DrawListSharedData )
{
Initialized = false ;
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FontAtlasOwnedByContext = shared_font_atlas ? false : true ;
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Font = NULL ;
FontSize = FontBaseSize = 0.0f ;
IO . Fonts = shared_font_atlas ? shared_font_atlas : IM_NEW ( ImFontAtlas ) ( ) ;
Time = 0.0f ;
FrameCount = 0 ;
FrameCountEnded = FrameCountRendered = - 1 ;
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WithinFrameScope = WithinFrameScopeWithImplicitWindow = WithinEndChild = false ;
TestEngineHookItems = false ;
TestEngineHookIdInfo = 0 ;
TestEngine = NULL ;
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WindowsActiveCount = 0 ;
CurrentWindow = NULL ;
HoveredWindow = NULL ;
HoveredRootWindow = NULL ;
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HoveredWindowUnderMovingWindow = NULL ;
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MovingWindow = NULL ;
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WheelingWindow = NULL ;
WheelingWindowTimer = 0.0f ;
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HoveredId = HoveredIdPreviousFrame = 0 ;
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HoveredIdAllowOverlap = false ;
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HoveredIdDisabled = false ;
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HoveredIdTimer = HoveredIdNotActiveTimer = 0.0f ;
ActiveId = 0 ;
ActiveIdIsAlive = 0 ;
ActiveIdTimer = 0.0f ;
ActiveIdIsJustActivated = false ;
ActiveIdAllowOverlap = false ;
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ActiveIdNoClearOnFocusLoss = false ;
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ActiveIdHasBeenPressedBefore = false ;
ActiveIdHasBeenEditedBefore = false ;
ActiveIdHasBeenEditedThisFrame = false ;
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ActiveIdUsingNavDirMask = 0x00 ;
ActiveIdUsingNavInputMask = 0x00 ;
ActiveIdUsingKeyInputMask = 0x00 ;
ActiveIdClickOffset = ImVec2 ( - 1 , - 1 ) ;
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ActiveIdWindow = NULL ;
ActiveIdSource = ImGuiInputSource_None ;
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ActiveIdMouseButton = 0 ;
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ActiveIdPreviousFrame = 0 ;
ActiveIdPreviousFrameIsAlive = false ;
ActiveIdPreviousFrameHasBeenEditedBefore = false ;
ActiveIdPreviousFrameWindow = NULL ;
LastActiveId = 0 ;
LastActiveIdTimer = 0.0f ;
NavWindow = NULL ;
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NavId = NavFocusScopeId = NavActivateId = NavActivateDownId = NavActivatePressedId = NavInputId = 0 ;
NavJustTabbedId = NavJustMovedToId = NavJustMovedToFocusScopeId = NavNextActivateId = 0 ;
NavJustMovedToKeyMods = ImGuiKeyModFlags_None ;
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NavInputSource = ImGuiInputSource_None ;
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NavScoringRect = ImRect ( ) ;
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NavScoringCount = 0 ;
NavLayer = ImGuiNavLayer_Main ;
NavIdTabCounter = INT_MAX ;
NavIdIsAlive = false ;
NavMousePosDirty = false ;
NavDisableHighlight = true ;
NavDisableMouseHover = false ;
NavAnyRequest = false ;
NavInitRequest = false ;
NavInitRequestFromMove = false ;
NavInitResultId = 0 ;
NavMoveRequest = false ;
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NavMoveRequestFlags = ImGuiNavMoveFlags_None ;
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NavMoveRequestForward = ImGuiNavForward_None ;
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NavMoveRequestKeyMods = ImGuiKeyModFlags_None ;
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NavMoveDir = NavMoveDirLast = NavMoveClipDir = ImGuiDir_None ;
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NavWrapRequestWindow = NULL ;
NavWrapRequestFlags = ImGuiNavMoveFlags_None ;
NavWindowingTarget = NavWindowingTargetAnim = NavWindowingListWindow = NULL ;
NavWindowingTimer = NavWindowingHighlightAlpha = 0.0f ;
NavWindowingToggleLayer = false ;
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FocusRequestCurrWindow = FocusRequestNextWindow = NULL ;
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FocusRequestCurrCounterRegular = FocusRequestCurrCounterTabStop = INT_MAX ;
FocusRequestNextCounterRegular = FocusRequestNextCounterTabStop = INT_MAX ;
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FocusTabPressed = false ;
DimBgRatio = 0.0f ;
BackgroundDrawList . _OwnerName = " ##Background " ; // Give it a name for debugging
ForegroundDrawList . _OwnerName = " ##Foreground " ; // Give it a name for debugging
MouseCursor = ImGuiMouseCursor_Arrow ;
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DragDropActive = DragDropWithinSource = DragDropWithinTarget = false ;
DragDropSourceFlags = ImGuiDragDropFlags_None ;
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DragDropSourceFrameCount = - 1 ;
DragDropMouseButton = - 1 ;
DragDropTargetId = 0 ;
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DragDropAcceptFlags = ImGuiDragDropFlags_None ;
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DragDropAcceptIdCurrRectSurface = 0.0f ;
DragDropAcceptIdPrev = DragDropAcceptIdCurr = 0 ;
DragDropAcceptFrameCount = - 1 ;
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DragDropHoldJustPressedId = 0 ;
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memset ( DragDropPayloadBufLocal , 0 , sizeof ( DragDropPayloadBufLocal ) ) ;
CurrentTabBar = NULL ;
LastValidMousePos = ImVec2 ( 0.0f , 0.0f ) ;
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TempInputId = 0 ;
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ColorEditOptions = ImGuiColorEditFlags__OptionsDefault ;
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ColorEditLastHue = ColorEditLastSat = 0.0f ;
ColorEditLastColor [ 0 ] = ColorEditLastColor [ 1 ] = ColorEditLastColor [ 2 ] = FLT_MAX ;
SliderCurrentAccum = 0.0f ;
SliderCurrentAccumDirty = false ;
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DragCurrentAccumDirty = false ;
DragCurrentAccum = 0.0f ;
DragSpeedDefaultRatio = 1.0f / 100.0f ;
ScrollbarClickDeltaToGrabCenter = 0.0f ;
TooltipOverrideCount = 0 ;
PlatformImePos = PlatformImeLastPos = ImVec2 ( FLT_MAX , FLT_MAX ) ;
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PlatformLocaleDecimalPoint = ' . ' ;
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SettingsLoaded = false ;
SettingsDirtyTimer = 0.0f ;
LogEnabled = false ;
LogType = ImGuiLogType_None ;
LogFile = NULL ;
LogLinePosY = FLT_MAX ;
LogLineFirstItem = false ;
LogDepthRef = 0 ;
LogDepthToExpand = LogDepthToExpandDefault = 2 ;
DebugItemPickerActive = false ;
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DebugItemPickerBreakId = 0 ;
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memset ( FramerateSecPerFrame , 0 , sizeof ( FramerateSecPerFrame ) ) ;
FramerateSecPerFrameIdx = 0 ;
FramerateSecPerFrameAccum = 0.0f ;
WantCaptureMouseNextFrame = WantCaptureKeyboardNextFrame = WantTextInputNextFrame = - 1 ;
memset ( TempBuffer , 0 , sizeof ( TempBuffer ) ) ;
}
} ;
//-----------------------------------------------------------------------------
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// [SECTION] ImGuiWindowTempData, ImGuiWindow
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//-----------------------------------------------------------------------------
// Transient per-window data, reset at the beginning of the frame. This used to be called ImGuiDrawContext, hence the DC variable name in ImGuiWindow.
// FIXME: That's theory, in practice the delimitation between ImGuiWindow and ImGuiWindowTempData is quite tenuous and could be reconsidered.
struct IMGUI_API ImGuiWindowTempData
{
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// Layout
ImVec2 CursorPos ; // Current emitting position, in absolute coordinates.
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ImVec2 CursorPosPrevLine ;
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ImVec2 CursorStartPos ; // Initial position after Begin(), generally ~ window position + WindowPadding.
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ImVec2 CursorMaxPos ; // Used to implicitly calculate the size of our contents, always growing during the frame. Used to calculate window->ContentSize at the beginning of next frame
ImVec2 CurrLineSize ;
ImVec2 PrevLineSize ;
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float CurrLineTextBaseOffset ; // Baseline offset (0.0f by default on a new line, generally == style.FramePadding.y when a framed item has been added).
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float PrevLineTextBaseOffset ;
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ImVec1 Indent ; // Indentation / start position from left of window (increased by TreePush/TreePop, etc.)
ImVec1 ColumnsOffset ; // Offset to the current column (if ColumnsCurrent > 0). FIXME: This and the above should be a stack to allow use cases like Tree->Column->Tree. Need revamp columns API.
ImVec1 GroupOffset ;
// Last item status
ImGuiID LastItemId ; // ID for last item
ImGuiItemStatusFlags LastItemStatusFlags ; // Status flags for last item (see ImGuiItemStatusFlags_)
ImRect LastItemRect ; // Interaction rect for last item
ImRect LastItemDisplayRect ; // End-user display rect for last item (only valid if LastItemStatusFlags & ImGuiItemStatusFlags_HasDisplayRect)
// Keyboard/Gamepad navigation
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ImGuiNavLayer NavLayerCurrent ; // Current layer, 0..31 (we currently only use 0..1)
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int NavLayerActiveMask ; // Which layers have been written to (result from previous frame)
int NavLayerActiveMaskNext ; // Which layers have been written to (accumulator for current frame)
ImGuiID NavFocusScopeIdCurrent ; // Current focus scope ID while appending
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bool NavHideHighlightOneFrame ;
bool NavHasScroll ; // Set when scrolling can be used (ScrollMax > 0.0f)
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// Miscellaneous
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bool MenuBarAppending ; // FIXME: Remove this
ImVec2 MenuBarOffset ; // MenuBarOffset.x is sort of equivalent of a per-layer CursorPos.x, saved/restored as we switch to the menu bar. The only situation when MenuBarOffset.y is > 0 if when (SafeAreaPadding.y > FramePadding.y), often used on TVs.
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ImGuiMenuColumns MenuColumns ; // Simplified columns storage for menu items measurement
int TreeDepth ; // Current tree depth.
ImU32 TreeJumpToParentOnPopMask ; // Store a copy of !g.NavIdIsAlive for TreeDepth 0..31.. Could be turned into a ImU64 if necessary.
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ImVector < ImGuiWindow * > ChildWindows ;
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ImGuiStorage * StateStorage ; // Current persistent per-window storage (store e.g. tree node open/close state)
ImGuiColumns * CurrentColumns ; // Current columns set
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ImGuiLayoutType LayoutType ;
ImGuiLayoutType ParentLayoutType ; // Layout type of parent window at the time of Begin()
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int FocusCounterRegular ; // (Legacy Focus/Tabbing system) Sequential counter, start at -1 and increase as assigned via FocusableItemRegister() (FIXME-NAV: Needs redesign)
int FocusCounterTabStop ; // (Legacy Focus/Tabbing system) Same, but only count widgets which you can Tab through.
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// Local parameters stacks
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// We store the current settings outside of the vectors to increase memory locality (reduce cache misses). The vectors are rarely modified. Also it allows us to not heap allocate for short-lived windows which are not using those settings.
ImGuiItemFlags ItemFlags ; // == ItemFlagsStack.back() [empty == ImGuiItemFlags_Default]
float ItemWidth ; // == ItemWidthStack.back(). 0.0: default, >0.0: width in pixels, <0.0: align xx pixels to the right of window
float TextWrapPos ; // == TextWrapPosStack.back() [empty == -1.0f]
ImVector < ImGuiItemFlags > ItemFlagsStack ;
ImVector < float > ItemWidthStack ;
ImVector < float > TextWrapPosStack ;
ImVector < ImGuiGroupData > GroupStack ;
short StackSizesBackup [ 6 ] ; // Store size of various stacks for asserting
ImGuiWindowTempData ( )
{
CursorPos = CursorPosPrevLine = CursorStartPos = CursorMaxPos = ImVec2 ( 0.0f , 0.0f ) ;
CurrLineSize = PrevLineSize = ImVec2 ( 0.0f , 0.0f ) ;
CurrLineTextBaseOffset = PrevLineTextBaseOffset = 0.0f ;
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Indent = ImVec1 ( 0.0f ) ;
ColumnsOffset = ImVec1 ( 0.0f ) ;
GroupOffset = ImVec1 ( 0.0f ) ;
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LastItemId = 0 ;
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LastItemStatusFlags = ImGuiItemStatusFlags_None ;
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LastItemRect = LastItemDisplayRect = ImRect ( ) ;
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NavLayerActiveMask = NavLayerActiveMaskNext = 0x00 ;
NavLayerCurrent = ImGuiNavLayer_Main ;
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NavFocusScopeIdCurrent = 0 ;
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NavHideHighlightOneFrame = false ;
NavHasScroll = false ;
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MenuBarAppending = false ;
MenuBarOffset = ImVec2 ( 0.0f , 0.0f ) ;
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TreeDepth = 0 ;
TreeJumpToParentOnPopMask = 0x00 ;
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StateStorage = NULL ;
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CurrentColumns = NULL ;
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LayoutType = ParentLayoutType = ImGuiLayoutType_Vertical ;
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FocusCounterRegular = FocusCounterTabStop = - 1 ;
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ItemFlags = ImGuiItemFlags_Default_ ;
ItemWidth = 0.0f ;
TextWrapPos = - 1.0f ;
memset ( StackSizesBackup , 0 , sizeof ( StackSizesBackup ) ) ;
}
} ;
// Storage for one window
struct IMGUI_API ImGuiWindow
{
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char * Name ; // Window name, owned by the window.
ImGuiID ID ; // == ImHashStr(Name)
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ImGuiWindowFlags Flags ; // See enum ImGuiWindowFlags_
ImVec2 Pos ; // Position (always rounded-up to nearest pixel)
ImVec2 Size ; // Current size (==SizeFull or collapsed title bar size)
ImVec2 SizeFull ; // Size when non collapsed
ImVec2 ContentSize ; // Size of contents/scrollable client area (calculated from the extents reach of the cursor) from previous frame. Does not include window decoration or window padding.
ImVec2 ContentSizeExplicit ; // Size of contents/scrollable client area explicitly request by the user via SetNextWindowContentSize().
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ImVec2 WindowPadding ; // Window padding at the time of Begin().
float WindowRounding ; // Window rounding at the time of Begin(). May be clamped lower to avoid rendering artifacts with title bar, menu bar etc.
float WindowBorderSize ; // Window border size at the time of Begin().
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int NameBufLen ; // Size of buffer storing Name. May be larger than strlen(Name)!
ImGuiID MoveId ; // == window->GetID("#MOVE")
ImGuiID ChildId ; // ID of corresponding item in parent window (for navigation to return from child window to parent window)
ImVec2 Scroll ;
ImVec2 ScrollMax ;
ImVec2 ScrollTarget ; // target scroll position. stored as cursor position with scrolling canceled out, so the highest point is always 0.0f. (FLT_MAX for no change)
ImVec2 ScrollTargetCenterRatio ; // 0.0f = scroll so that target position is at top, 0.5f = scroll so that target position is centered
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ImVec2 ScrollTargetEdgeSnapDist ; // 0.0f = no snapping, >0.0f snapping threshold
ImVec2 ScrollbarSizes ; // Size taken by each scrollbars on their smaller axis. Pay attention! ScrollbarSizes.x == width of the vertical scrollbar, ScrollbarSizes.y = height of the horizontal scrollbar.
bool ScrollbarX , ScrollbarY ; // Are scrollbars visible?
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bool Active ; // Set to true on Begin(), unless Collapsed
bool WasActive ;
bool WriteAccessed ; // Set to true when any widget access the current window
bool Collapsed ; // Set when collapsing window to become only title-bar
bool WantCollapseToggle ;
bool SkipItems ; // Set when items can safely be all clipped (e.g. window not visible or collapsed)
bool Appearing ; // Set during the frame where the window is appearing (or re-appearing)
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bool Hidden ; // Do not display (== HiddenFrames*** > 0)
bool IsFallbackWindow ; // Set on the "Debug##Default" window.
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bool HasCloseButton ; // Set when the window has a close button (p_open != NULL)
signed char ResizeBorderHeld ; // Current border being held for resize (-1: none, otherwise 0-3)
short BeginCount ; // Number of Begin() during the current frame (generally 0 or 1, 1+ if appending via multiple Begin/End pairs)
short BeginOrderWithinParent ; // Order within immediate parent window, if we are a child window. Otherwise 0.
short BeginOrderWithinContext ; // Order within entire imgui context. This is mostly used for debugging submission order related issues.
ImGuiID PopupId ; // ID in the popup stack when this window is used as a popup/menu (because we use generic Name/ID for recycling)
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ImS8 AutoFitFramesX , AutoFitFramesY ;
ImS8 AutoFitChildAxises ;
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bool AutoFitOnlyGrows ;
ImGuiDir AutoPosLastDirection ;
int HiddenFramesCanSkipItems ; // Hide the window for N frames
int HiddenFramesCannotSkipItems ; // Hide the window for N frames while allowing items to be submitted so we can measure their size
ImGuiCond SetWindowPosAllowFlags ; // store acceptable condition flags for SetNextWindowPos() use.
ImGuiCond SetWindowSizeAllowFlags ; // store acceptable condition flags for SetNextWindowSize() use.
ImGuiCond SetWindowCollapsedAllowFlags ; // store acceptable condition flags for SetNextWindowCollapsed() use.
ImVec2 SetWindowPosVal ; // store window position when using a non-zero Pivot (position set needs to be processed when we know the window size)
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ImVec2 SetWindowPosPivot ; // store window pivot for positioning. ImVec2(0, 0) when positioning from top-left corner; ImVec2(0.5f, 0.5f) for centering; ImVec2(1, 1) for bottom right.
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ImVector < ImGuiID > IDStack ; // ID stack. ID are hashes seeded with the value at the top of the stack. (In theory this should be in the TempData structure)
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ImGuiWindowTempData DC ; // Temporary per-window data, reset at the beginning of the frame. This used to be called ImGuiDrawContext, hence the "DC" variable name.
// The best way to understand what those rectangles are is to use the 'Metrics -> Tools -> Show windows rectangles' viewer.
// The main 'OuterRect', omitted as a field, is window->Rect().
ImRect OuterRectClipped ; // == Window->Rect() just after setup in Begin(). == window->Rect() for root window.
ImRect InnerRect ; // Inner rectangle (omit title bar, menu bar, scroll bar)
ImRect InnerClipRect ; // == InnerRect shrunk by WindowPadding*0.5f on each side, clipped within viewport or parent clip rect.
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ImRect WorkRect ; // Initially covers the whole scrolling region. Reduced by containers e.g columns/tables when active. Shrunk by WindowPadding*1.0f on each side. This is meant to replace ContentRegionRect over time (from 1.71+ onward).
ImRect ParentWorkRect ; // Backup of WorkRect before entering a container such as columns/tables. Used by e.g. SpanAllColumns functions to easily access. Stacked containers are responsible for maintaining this. // FIXME-WORKRECT: Could be a stack?
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ImRect ClipRect ; // Current clipping/scissoring rectangle, evolve as we are using PushClipRect(), etc. == DrawList->clip_rect_stack.back().
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ImRect ContentRegionRect ; // FIXME: This is currently confusing/misleading. It is essentially WorkRect but not handling of scrolling. We currently rely on it as right/bottom aligned sizing operation need some size to rely on.
ImVec2ih HitTestHoleSize ; // Define an optional rectangular hole where mouse will pass-through the window.
ImVec2ih HitTestHoleOffset ;
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int LastFrameActive ; // Last frame number the window was Active.
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float LastTimeActive ; // Last timestamp the window was Active (using float as we don't need high precision there)
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float ItemWidthDefault ;
ImGuiStorage StateStorage ;
ImVector < ImGuiColumns > ColumnsStorage ;
float FontWindowScale ; // User scale multiplier per-window, via SetWindowFontScale()
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int SettingsOffset ; // Offset into SettingsWindows[] (offsets are always valid as we only grow the array from the back)
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ImDrawList * DrawList ; // == &DrawListInst (for backward compatibility reason with code using imgui_internal.h we keep this a pointer)
ImDrawList DrawListInst ;
ImGuiWindow * ParentWindow ; // If we are a child _or_ popup window, this is pointing to our parent. Otherwise NULL.
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ImGuiWindow * RootWindow ; // Point to ourself or first ancestor that is not a child window == Top-level window.
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ImGuiWindow * RootWindowForTitleBarHighlight ; // Point to ourself or first ancestor which will display TitleBgActive color when this window is active.
ImGuiWindow * RootWindowForNav ; // Point to ourself or first ancestor which doesn't have the NavFlattened flag.
ImGuiWindow * NavLastChildNavWindow ; // When going to the menu bar, we remember the child window we came from. (This could probably be made implicit if we kept g.Windows sorted by last focused including child window.)
ImGuiID NavLastIds [ ImGuiNavLayer_COUNT ] ; // Last known NavId for this window, per layer (0/1)
ImRect NavRectRel [ ImGuiNavLayer_COUNT ] ; // Reference rectangle, in window relative space
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bool MemoryCompacted ; // Set when window extraneous data have been garbage collected
int MemoryDrawListIdxCapacity ; // Backup of last idx/vtx count, so when waking up the window we can preallocate and avoid iterative alloc/copy
int MemoryDrawListVtxCapacity ;
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public :
ImGuiWindow ( ImGuiContext * context , const char * name ) ;
~ ImGuiWindow ( ) ;
ImGuiID GetID ( const char * str , const char * str_end = NULL ) ;
ImGuiID GetID ( const void * ptr ) ;
ImGuiID GetID ( int n ) ;
ImGuiID GetIDNoKeepAlive ( const char * str , const char * str_end = NULL ) ;
ImGuiID GetIDNoKeepAlive ( const void * ptr ) ;
ImGuiID GetIDNoKeepAlive ( int n ) ;
ImGuiID GetIDFromRectangle ( const ImRect & r_abs ) ;
// We don't use g.FontSize because the window may be != g.CurrentWidow.
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ImRect Rect ( ) const { return ImRect ( Pos . x , Pos . y , Pos . x + Size . x , Pos . y + Size . y ) ; }
float CalcFontSize ( ) const { ImGuiContext & g = * GImGui ; float scale = g . FontBaseSize * FontWindowScale ; if ( ParentWindow ) scale * = ParentWindow - > FontWindowScale ; return scale ; }
float TitleBarHeight ( ) const { ImGuiContext & g = * GImGui ; return ( Flags & ImGuiWindowFlags_NoTitleBar ) ? 0.0f : CalcFontSize ( ) + g . Style . FramePadding . y * 2.0f ; }
ImRect TitleBarRect ( ) const { return ImRect ( Pos , ImVec2 ( Pos . x + SizeFull . x , Pos . y + TitleBarHeight ( ) ) ) ; }
float MenuBarHeight ( ) const { ImGuiContext & g = * GImGui ; return ( Flags & ImGuiWindowFlags_MenuBar ) ? DC . MenuBarOffset . y + CalcFontSize ( ) + g . Style . FramePadding . y * 2.0f : 0.0f ; }
ImRect MenuBarRect ( ) const { float y1 = Pos . y + TitleBarHeight ( ) ; return ImRect ( Pos . x , y1 , Pos . x + SizeFull . x , y1 + MenuBarHeight ( ) ) ; }
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} ;
// Backup and restore just enough data to be able to use IsItemHovered() on item A after another B in the same window has overwritten the data.
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struct ImGuiLastItemDataBackup
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{
ImGuiID LastItemId ;
ImGuiItemStatusFlags LastItemStatusFlags ;
ImRect LastItemRect ;
ImRect LastItemDisplayRect ;
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ImGuiLastItemDataBackup ( ) { Backup ( ) ; }
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void Backup ( ) { ImGuiWindow * window = GImGui - > CurrentWindow ; LastItemId = window - > DC . LastItemId ; LastItemStatusFlags = window - > DC . LastItemStatusFlags ; LastItemRect = window - > DC . LastItemRect ; LastItemDisplayRect = window - > DC . LastItemDisplayRect ; }
void Restore ( ) const { ImGuiWindow * window = GImGui - > CurrentWindow ; window - > DC . LastItemId = LastItemId ; window - > DC . LastItemStatusFlags = LastItemStatusFlags ; window - > DC . LastItemRect = LastItemRect ; window - > DC . LastItemDisplayRect = LastItemDisplayRect ; }
} ;
//-----------------------------------------------------------------------------
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// [SECTION] Tab bar, Tab item support
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//-----------------------------------------------------------------------------
// Extend ImGuiTabBarFlags_
enum ImGuiTabBarFlagsPrivate_
{
ImGuiTabBarFlags_DockNode = 1 < < 20 , // Part of a dock node [we don't use this in the master branch but it facilitate branch syncing to keep this around]
ImGuiTabBarFlags_IsFocused = 1 < < 21 ,
ImGuiTabBarFlags_SaveSettings = 1 < < 22 // FIXME: Settings are handled by the docking system, this only request the tab bar to mark settings dirty when reordering tabs
} ;
// Extend ImGuiTabItemFlags_
enum ImGuiTabItemFlagsPrivate_
{
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ImGuiTabItemFlags_NoCloseButton = 1 < < 20 , // Track whether p_open was set or not (we'll need this info on the next frame to recompute ContentWidth during layout)
ImGuiTabItemFlags_Button = 1 < < 21 // Used by TabItemButton, change the tab item behavior to mimic a button
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} ;
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// Storage for one active tab item (sizeof() 28~32 bytes)
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struct ImGuiTabItem
{
ImGuiID ID ;
ImGuiTabItemFlags Flags ;
int LastFrameVisible ;
int LastFrameSelected ; // This allows us to infer an ordered list of the last activated tabs with little maintenance
float Offset ; // Position relative to beginning of tab
float Width ; // Width currently displayed
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float ContentWidth ; // Width of label, stored during BeginTabItem() call
ImS16 NameOffset ; // When Window==NULL, offset to name within parent ImGuiTabBar::TabsNames
ImS8 BeginOrder ; // BeginTabItem() order, used to re-order tabs after toggling ImGuiTabBarFlags_Reorderable
ImS8 IndexDuringLayout ; // Index only used during TabBarLayout()
bool WantClose ; // Marked as closed by SetTabItemClosed()
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ImGuiTabItem ( ) { ID = 0 ; Flags = ImGuiTabItemFlags_None ; LastFrameVisible = LastFrameSelected = - 1 ; NameOffset = - 1 ; Offset = Width = ContentWidth = 0.0f ; BeginOrder = - 1 ; IndexDuringLayout = - 1 ; WantClose = false ; }
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} ;
// Storage for a tab bar (sizeof() 92~96 bytes)
struct ImGuiTabBar
{
ImVector < ImGuiTabItem > Tabs ;
ImGuiID ID ; // Zero for tab-bars used by docking
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ImGuiID SelectedTabId ; // Selected tab/window
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ImGuiID NextSelectedTabId ;
ImGuiID VisibleTabId ; // Can occasionally be != SelectedTabId (e.g. when previewing contents for CTRL+TAB preview)
int CurrFrameVisible ;
int PrevFrameVisible ;
ImRect BarRect ;
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float LastTabContentHeight ; // Record the height of contents submitted below the tab bar
float WidthAllTabs ; // Actual width of all tabs (locked during layout)
float WidthAllTabsIdeal ; // Ideal width if all tabs were visible and not clipped
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float ScrollingAnim ;
float ScrollingTarget ;
float ScrollingTargetDistToVisibility ;
float ScrollingSpeed ;
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float ScrollingRectMinX ;
float ScrollingRectMaxX ;
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ImGuiTabBarFlags Flags ;
ImGuiID ReorderRequestTabId ;
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ImS8 ReorderRequestDir ;
ImS8 TabsActiveCount ; // Number of tabs submitted this frame.
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bool WantLayout ;
bool VisibleTabWasSubmitted ;
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bool TabsAddedNew ; // Set to true when a new tab item or button has been added to the tab bar during last frame
short LastTabItemIdx ; // Index of last BeginTabItem() tab for use by EndTabItem()
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ImVec2 FramePadding ; // style.FramePadding locked at the time of BeginTabBar()
ImGuiTextBuffer TabsNames ; // For non-docking tab bar we re-append names in a contiguous buffer.
ImGuiTabBar ( ) ;
int GetTabOrder ( const ImGuiTabItem * tab ) const { return Tabs . index_from_ptr ( tab ) ; }
const char * GetTabName ( const ImGuiTabItem * tab ) const
{
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IM_ASSERT ( tab - > NameOffset ! = - 1 & & ( int ) tab - > NameOffset < TabsNames . Buf . Size ) ;
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return TabsNames . Buf . Data + tab - > NameOffset ;
}
} ;
//-----------------------------------------------------------------------------
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// [SECTION] Table support
//-----------------------------------------------------------------------------
# ifdef IMGUI_HAS_TABLE
// <this is filled in 'tables' branch>
# endif // #ifdef IMGUI_HAS_TABLE
//-----------------------------------------------------------------------------
// [SECTION] Internal API
// No guarantee of forward compatibility here!
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//-----------------------------------------------------------------------------
namespace ImGui
{
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// Windows
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// We should always have a CurrentWindow in the stack (there is an implicit "Debug" window)
// If this ever crash because g.CurrentWindow is NULL it means that either
// - ImGui::NewFrame() has never been called, which is illegal.
// - You are calling ImGui functions after ImGui::EndFrame()/ImGui::Render() and before the next ImGui::NewFrame(), which is also illegal.
inline ImGuiWindow * GetCurrentWindowRead ( ) { ImGuiContext & g = * GImGui ; return g . CurrentWindow ; }
inline ImGuiWindow * GetCurrentWindow ( ) { ImGuiContext & g = * GImGui ; g . CurrentWindow - > WriteAccessed = true ; return g . CurrentWindow ; }
IMGUI_API ImGuiWindow * FindWindowByID ( ImGuiID id ) ;
IMGUI_API ImGuiWindow * FindWindowByName ( const char * name ) ;
IMGUI_API void UpdateWindowParentAndRootLinks ( ImGuiWindow * window , ImGuiWindowFlags flags , ImGuiWindow * parent_window ) ;
IMGUI_API ImVec2 CalcWindowExpectedSize ( ImGuiWindow * window ) ;
IMGUI_API bool IsWindowChildOf ( ImGuiWindow * window , ImGuiWindow * potential_parent ) ;
IMGUI_API bool IsWindowNavFocusable ( ImGuiWindow * window ) ;
IMGUI_API ImRect GetWindowAllowedExtentRect ( ImGuiWindow * window ) ;
IMGUI_API void SetWindowPos ( ImGuiWindow * window , const ImVec2 & pos , ImGuiCond cond = 0 ) ;
IMGUI_API void SetWindowSize ( ImGuiWindow * window , const ImVec2 & size , ImGuiCond cond = 0 ) ;
IMGUI_API void SetWindowCollapsed ( ImGuiWindow * window , bool collapsed , ImGuiCond cond = 0 ) ;
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IMGUI_API void SetWindowHitTestHole ( ImGuiWindow * window , const ImVec2 & pos , const ImVec2 & size ) ;
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// Windows: Display Order and Focus Order
IMGUI_API void FocusWindow ( ImGuiWindow * window ) ;
IMGUI_API void FocusTopMostWindowUnderOne ( ImGuiWindow * under_this_window , ImGuiWindow * ignore_window ) ;
IMGUI_API void BringWindowToFocusFront ( ImGuiWindow * window ) ;
IMGUI_API void BringWindowToDisplayFront ( ImGuiWindow * window ) ;
IMGUI_API void BringWindowToDisplayBack ( ImGuiWindow * window ) ;
// Fonts, drawing
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IMGUI_API void SetCurrentFont ( ImFont * font ) ;
inline ImFont * GetDefaultFont ( ) { ImGuiContext & g = * GImGui ; return g . IO . FontDefault ? g . IO . FontDefault : g . IO . Fonts - > Fonts [ 0 ] ; }
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inline ImDrawList * GetForegroundDrawList ( ImGuiWindow * window ) { IM_UNUSED ( window ) ; ImGuiContext & g = * GImGui ; return & g . ForegroundDrawList ; } // This seemingly unnecessary wrapper simplifies compatibility between the 'master' and 'docking' branches.
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// Init
IMGUI_API void Initialize ( ImGuiContext * context ) ;
IMGUI_API void Shutdown ( ImGuiContext * context ) ; // Since 1.60 this is a _private_ function. You can call DestroyContext() to destroy the context created by CreateContext().
// NewFrame
IMGUI_API void UpdateHoveredWindowAndCaptureFlags ( ) ;
IMGUI_API void StartMouseMovingWindow ( ImGuiWindow * window ) ;
IMGUI_API void UpdateMouseMovingWindowNewFrame ( ) ;
IMGUI_API void UpdateMouseMovingWindowEndFrame ( ) ;
// Settings
IMGUI_API void MarkIniSettingsDirty ( ) ;
IMGUI_API void MarkIniSettingsDirty ( ImGuiWindow * window ) ;
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IMGUI_API void ClearIniSettings ( ) ;
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IMGUI_API ImGuiWindowSettings * CreateNewWindowSettings ( const char * name ) ;
IMGUI_API ImGuiWindowSettings * FindWindowSettings ( ImGuiID id ) ;
IMGUI_API ImGuiWindowSettings * FindOrCreateWindowSettings ( const char * name ) ;
IMGUI_API ImGuiSettingsHandler * FindSettingsHandler ( const char * type_name ) ;
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// Scrolling
IMGUI_API void SetNextWindowScroll ( const ImVec2 & scroll ) ; // Use -1.0f on one axis to leave as-is
IMGUI_API void SetScrollX ( ImGuiWindow * window , float scroll_x ) ;
IMGUI_API void SetScrollY ( ImGuiWindow * window , float scroll_y ) ;
IMGUI_API void SetScrollFromPosX ( ImGuiWindow * window , float local_x , float center_x_ratio ) ;
IMGUI_API void SetScrollFromPosY ( ImGuiWindow * window , float local_y , float center_y_ratio ) ;
IMGUI_API ImVec2 ScrollToBringRectIntoView ( ImGuiWindow * window , const ImRect & item_rect ) ;
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// Basic Accessors
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inline ImGuiID GetItemID ( ) { ImGuiContext & g = * GImGui ; return g . CurrentWindow - > DC . LastItemId ; } // Get ID of last item (~~ often same ImGui::GetID(label) beforehand)
inline ImGuiItemStatusFlags GetItemStatusFlags ( ) { ImGuiContext & g = * GImGui ; return g . CurrentWindow - > DC . LastItemStatusFlags ; }
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inline ImGuiID GetActiveID ( ) { ImGuiContext & g = * GImGui ; return g . ActiveId ; }
inline ImGuiID GetFocusID ( ) { ImGuiContext & g = * GImGui ; return g . NavId ; }
IMGUI_API void SetActiveID ( ImGuiID id , ImGuiWindow * window ) ;
IMGUI_API void SetFocusID ( ImGuiID id , ImGuiWindow * window ) ;
IMGUI_API void ClearActiveID ( ) ;
IMGUI_API ImGuiID GetHoveredID ( ) ;
IMGUI_API void SetHoveredID ( ImGuiID id ) ;
IMGUI_API void KeepAliveID ( ImGuiID id ) ;
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IMGUI_API void MarkItemEdited ( ImGuiID id ) ; // Mark data associated to given item as "edited", used by IsItemDeactivatedAfterEdit() function.
IMGUI_API void PushOverrideID ( ImGuiID id ) ; // Push given value as-is at the top of the ID stack (whereas PushID combines old and new hashes)
IMGUI_API ImGuiID GetIDWithSeed ( const char * str_id_begin , const char * str_id_end , ImGuiID seed ) ;
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// Basic Helpers for widget code
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IMGUI_API void ItemSize ( const ImVec2 & size , float text_baseline_y = - 1.0f ) ;
IMGUI_API void ItemSize ( const ImRect & bb , float text_baseline_y = - 1.0f ) ;
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IMGUI_API bool ItemAdd ( const ImRect & bb , ImGuiID id , const ImRect * nav_bb = NULL ) ;
IMGUI_API bool ItemHoverable ( const ImRect & bb , ImGuiID id ) ;
IMGUI_API bool IsClippedEx ( const ImRect & bb , ImGuiID id , bool clip_even_when_logged ) ;
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IMGUI_API void SetLastItemData ( ImGuiWindow * window , ImGuiID item_id , ImGuiItemStatusFlags status_flags , const ImRect & item_rect ) ;
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IMGUI_API bool FocusableItemRegister ( ImGuiWindow * window , ImGuiID id ) ; // Return true if focus is requested
IMGUI_API void FocusableItemUnregister ( ImGuiWindow * window ) ;
IMGUI_API ImVec2 CalcItemSize ( ImVec2 size , float default_w , float default_h ) ;
IMGUI_API float CalcWrapWidthForPos ( const ImVec2 & pos , float wrap_pos_x ) ;
IMGUI_API void PushMultiItemsWidths ( int components , float width_full ) ;
IMGUI_API void PushItemFlag ( ImGuiItemFlags option , bool enabled ) ;
IMGUI_API void PopItemFlag ( ) ;
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IMGUI_API bool IsItemToggledSelection ( ) ; // Was the last item selection toggled? (after Selectable(), TreeNode() etc. We only returns toggle _event_ in order to handle clipping correctly)
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IMGUI_API ImVec2 GetContentRegionMaxAbs ( ) ;
IMGUI_API void ShrinkWidths ( ImGuiShrinkWidthItem * items , int count , float width_excess ) ;
// Logging/Capture
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IMGUI_API void LogBegin ( ImGuiLogType type , int auto_open_depth ) ; // -> BeginCapture() when we design v2 api, for now stay under the radar by using the old name.
IMGUI_API void LogToBuffer ( int auto_open_depth = - 1 ) ; // Start logging/capturing to internal buffer
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// Popups, Modals, Tooltips
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IMGUI_API bool BeginChildEx ( const char * name , ImGuiID id , const ImVec2 & size_arg , bool border , ImGuiWindowFlags flags ) ;
IMGUI_API void OpenPopupEx ( ImGuiID id , ImGuiPopupFlags popup_flags = ImGuiPopupFlags_None ) ;
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IMGUI_API void ClosePopupToLevel ( int remaining , bool restore_focus_to_window_under_popup ) ;
IMGUI_API void ClosePopupsOverWindow ( ImGuiWindow * ref_window , bool restore_focus_to_window_under_popup ) ;
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IMGUI_API bool IsPopupOpen ( ImGuiID id , ImGuiPopupFlags popup_flags ) ;
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IMGUI_API bool BeginPopupEx ( ImGuiID id , ImGuiWindowFlags extra_flags ) ;
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IMGUI_API void BeginTooltipEx ( ImGuiWindowFlags extra_flags , ImGuiTooltipFlags tooltip_flags ) ;
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IMGUI_API ImGuiWindow * GetTopMostPopupModal ( ) ;
IMGUI_API ImVec2 FindBestWindowPosForPopup ( ImGuiWindow * window ) ;
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IMGUI_API ImVec2 FindBestWindowPosForPopupEx ( const ImVec2 & ref_pos , const ImVec2 & size , ImGuiDir * last_dir , const ImRect & r_outer , const ImRect & r_avoid , ImGuiPopupPositionPolicy policy ) ;
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// Gamepad/Keyboard Navigation
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IMGUI_API void NavInitWindow ( ImGuiWindow * window , bool force_reinit ) ;
IMGUI_API bool NavMoveRequestButNoResultYet ( ) ;
IMGUI_API void NavMoveRequestCancel ( ) ;
IMGUI_API void NavMoveRequestForward ( ImGuiDir move_dir , ImGuiDir clip_dir , const ImRect & bb_rel , ImGuiNavMoveFlags move_flags ) ;
IMGUI_API void NavMoveRequestTryWrapping ( ImGuiWindow * window , ImGuiNavMoveFlags move_flags ) ;
IMGUI_API float GetNavInputAmount ( ImGuiNavInput n , ImGuiInputReadMode mode ) ;
IMGUI_API ImVec2 GetNavInputAmount2d ( ImGuiNavDirSourceFlags dir_sources , ImGuiInputReadMode mode , float slow_factor = 0.0f , float fast_factor = 0.0f ) ;
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IMGUI_API int CalcTypematicRepeatAmount ( float t0 , float t1 , float repeat_delay , float repeat_rate ) ;
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IMGUI_API void ActivateItem ( ImGuiID id ) ; // Remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again.
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IMGUI_API void SetNavID ( ImGuiID id , int nav_layer , ImGuiID focus_scope_id ) ;
IMGUI_API void SetNavIDWithRectRel ( ImGuiID id , int nav_layer , ImGuiID focus_scope_id , const ImRect & rect_rel ) ;
// Focus Scope (WIP)
// This is generally used to identify a selection set (multiple of which may be in the same window), as selection
// patterns generally need to react (e.g. clear selection) when landing on an item of the set.
IMGUI_API void PushFocusScope ( ImGuiID id ) ;
IMGUI_API void PopFocusScope ( ) ;
inline ImGuiID GetFocusScopeID ( ) { ImGuiContext & g = * GImGui ; return g . NavFocusScopeId ; }
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// Inputs
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// FIXME: Eventually we should aim to move e.g. IsActiveIdUsingKey() into IsKeyXXX functions.
inline bool IsActiveIdUsingNavDir ( ImGuiDir dir ) { ImGuiContext & g = * GImGui ; return ( g . ActiveIdUsingNavDirMask & ( 1 < < dir ) ) ! = 0 ; }
inline bool IsActiveIdUsingNavInput ( ImGuiNavInput input ) { ImGuiContext & g = * GImGui ; return ( g . ActiveIdUsingNavInputMask & ( 1 < < input ) ) ! = 0 ; }
inline bool IsActiveIdUsingKey ( ImGuiKey key ) { ImGuiContext & g = * GImGui ; IM_ASSERT ( key < 64 ) ; return ( g . ActiveIdUsingKeyInputMask & ( ( ImU64 ) 1 < < key ) ) ! = 0 ; }
IMGUI_API bool IsMouseDragPastThreshold ( ImGuiMouseButton button , float lock_threshold = - 1.0f ) ;
inline bool IsKeyPressedMap ( ImGuiKey key , bool repeat = true ) { ImGuiContext & g = * GImGui ; const int key_index = g . IO . KeyMap [ key ] ; return ( key_index > = 0 ) ? IsKeyPressed ( key_index , repeat ) : false ; }
inline bool IsNavInputDown ( ImGuiNavInput n ) { ImGuiContext & g = * GImGui ; return g . IO . NavInputs [ n ] > 0.0f ; }
inline bool IsNavInputTest ( ImGuiNavInput n , ImGuiInputReadMode rm ) { return ( GetNavInputAmount ( n , rm ) > 0.0f ) ; }
IMGUI_API ImGuiKeyModFlags GetMergedKeyModFlags ( ) ;
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// Drag and Drop
IMGUI_API bool BeginDragDropTargetCustom ( const ImRect & bb , ImGuiID id ) ;
IMGUI_API void ClearDragDrop ( ) ;
IMGUI_API bool IsDragDropPayloadBeingAccepted ( ) ;
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// Internal Columns API (this is not exposed because we will encourage transitioning to the Tables API)
IMGUI_API void SetWindowClipRectBeforeSetChannel ( ImGuiWindow * window , const ImRect & clip_rect ) ;
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IMGUI_API void BeginColumns ( const char * str_id , int count , ImGuiColumnsFlags flags = 0 ) ; // setup number of columns. use an identifier to distinguish multiple column sets. close with EndColumns().
IMGUI_API void EndColumns ( ) ; // close columns
IMGUI_API void PushColumnClipRect ( int column_index ) ;
IMGUI_API void PushColumnsBackground ( ) ;
IMGUI_API void PopColumnsBackground ( ) ;
IMGUI_API ImGuiID GetColumnsID ( const char * str_id , int count ) ;
IMGUI_API ImGuiColumns * FindOrCreateColumns ( ImGuiWindow * window , ImGuiID id ) ;
IMGUI_API float GetColumnOffsetFromNorm ( const ImGuiColumns * columns , float offset_norm ) ;
IMGUI_API float GetColumnNormFromOffset ( const ImGuiColumns * columns , float offset ) ;
// Tab Bars
IMGUI_API bool BeginTabBarEx ( ImGuiTabBar * tab_bar , const ImRect & bb , ImGuiTabBarFlags flags ) ;
IMGUI_API ImGuiTabItem * TabBarFindTabByID ( ImGuiTabBar * tab_bar , ImGuiID tab_id ) ;
IMGUI_API void TabBarRemoveTab ( ImGuiTabBar * tab_bar , ImGuiID tab_id ) ;
IMGUI_API void TabBarCloseTab ( ImGuiTabBar * tab_bar , ImGuiTabItem * tab ) ;
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IMGUI_API void TabBarQueueReorder ( ImGuiTabBar * tab_bar , const ImGuiTabItem * tab , int dir ) ;
IMGUI_API bool TabBarProcessReorder ( ImGuiTabBar * tab_bar ) ;
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IMGUI_API bool TabItemEx ( ImGuiTabBar * tab_bar , const char * label , bool * p_open , ImGuiTabItemFlags flags ) ;
IMGUI_API ImVec2 TabItemCalcSize ( const char * label , bool has_close_button ) ;
IMGUI_API void TabItemBackground ( ImDrawList * draw_list , const ImRect & bb , ImGuiTabItemFlags flags , ImU32 col ) ;
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IMGUI_API bool TabItemLabelAndCloseButton ( ImDrawList * draw_list , const ImRect & bb , ImGuiTabItemFlags flags , ImVec2 frame_padding , const char * label , ImGuiID tab_id , ImGuiID close_button_id , bool is_contents_visible ) ;
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// Render helpers
// AVOID USING OUTSIDE OF IMGUI.CPP! NOT FOR PUBLIC CONSUMPTION. THOSE FUNCTIONS ARE A MESS. THEIR SIGNATURE AND BEHAVIOR WILL CHANGE, THEY NEED TO BE REFACTORED INTO SOMETHING DECENT.
// NB: All position are in absolute pixels coordinates (we are never using window coordinates internally)
IMGUI_API void RenderText ( ImVec2 pos , const char * text , const char * text_end = NULL , bool hide_text_after_hash = true ) ;
IMGUI_API void RenderTextWrapped ( ImVec2 pos , const char * text , const char * text_end , float wrap_width ) ;
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IMGUI_API void RenderTextClipped ( const ImVec2 & pos_min , const ImVec2 & pos_max , const char * text , const char * text_end , const ImVec2 * text_size_if_known , const ImVec2 & align = ImVec2 ( 0 , 0 ) , const ImRect * clip_rect = NULL ) ;
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IMGUI_API void RenderTextClippedEx ( ImDrawList * draw_list , const ImVec2 & pos_min , const ImVec2 & pos_max , const char * text , const char * text_end , const ImVec2 * text_size_if_known , const ImVec2 & align = ImVec2 ( 0 , 0 ) , const ImRect * clip_rect = NULL ) ;
IMGUI_API void RenderTextEllipsis ( ImDrawList * draw_list , const ImVec2 & pos_min , const ImVec2 & pos_max , float clip_max_x , float ellipsis_max_x , const char * text , const char * text_end , const ImVec2 * text_size_if_known ) ;
IMGUI_API void RenderFrame ( ImVec2 p_min , ImVec2 p_max , ImU32 fill_col , bool border = true , float rounding = 0.0f ) ;
IMGUI_API void RenderFrameBorder ( ImVec2 p_min , ImVec2 p_max , float rounding = 0.0f ) ;
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IMGUI_API void RenderColorRectWithAlphaCheckerboard ( ImDrawList * draw_list , ImVec2 p_min , ImVec2 p_max , ImU32 fill_col , float grid_step , ImVec2 grid_off , float rounding = 0.0f , int rounding_corners_flags = ~ 0 ) ;
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IMGUI_API void RenderNavHighlight ( const ImRect & bb , ImGuiID id , ImGuiNavHighlightFlags flags = ImGuiNavHighlightFlags_TypeDefault ) ; // Navigation highlight
IMGUI_API const char * FindRenderedTextEnd ( const char * text , const char * text_end = NULL ) ; // Find the optional ## from which we stop displaying text.
IMGUI_API void LogRenderedText ( const ImVec2 * ref_pos , const char * text , const char * text_end = NULL ) ;
// Render helpers (those functions don't access any ImGui state!)
IMGUI_API void RenderArrow ( ImDrawList * draw_list , ImVec2 pos , ImU32 col , ImGuiDir dir , float scale = 1.0f ) ;
IMGUI_API void RenderBullet ( ImDrawList * draw_list , ImVec2 pos , ImU32 col ) ;
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IMGUI_API void RenderCheckMark ( ImDrawList * draw_list , ImVec2 pos , ImU32 col , float sz ) ;
IMGUI_API void RenderMouseCursor ( ImDrawList * draw_list , ImVec2 pos , float scale , ImGuiMouseCursor mouse_cursor , ImU32 col_fill , ImU32 col_border , ImU32 col_shadow ) ;
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IMGUI_API void RenderArrowPointingAt ( ImDrawList * draw_list , ImVec2 pos , ImVec2 half_sz , ImGuiDir direction , ImU32 col ) ;
IMGUI_API void RenderRectFilledRangeH ( ImDrawList * draw_list , const ImRect & rect , ImU32 col , float x_start_norm , float x_end_norm , float rounding ) ;
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IMGUI_API void RenderRectFilledWithHole ( ImDrawList * draw_list , ImRect outer , ImRect inner , ImU32 col , float rounding ) ;
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# ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
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// [1.71: 2019/06/07: Updating prototypes of some of the internal functions. Leaving those for reference for a short while]
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inline void RenderArrow ( ImVec2 pos , ImGuiDir dir , float scale = 1.0f ) { ImGuiWindow * window = GetCurrentWindow ( ) ; RenderArrow ( window - > DrawList , pos , GetColorU32 ( ImGuiCol_Text ) , dir , scale ) ; }
inline void RenderBullet ( ImVec2 pos ) { ImGuiWindow * window = GetCurrentWindow ( ) ; RenderBullet ( window - > DrawList , pos , GetColorU32 ( ImGuiCol_Text ) ) ; }
# endif
// Widgets
IMGUI_API void TextEx ( const char * text , const char * text_end = NULL , ImGuiTextFlags flags = 0 ) ;
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IMGUI_API bool ButtonEx ( const char * label , const ImVec2 & size_arg = ImVec2 ( 0 , 0 ) , ImGuiButtonFlags flags = 0 ) ;
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IMGUI_API bool CloseButton ( ImGuiID id , const ImVec2 & pos ) ;
IMGUI_API bool CollapseButton ( ImGuiID id , const ImVec2 & pos ) ;
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IMGUI_API bool ArrowButtonEx ( const char * str_id , ImGuiDir dir , ImVec2 size_arg , ImGuiButtonFlags flags = 0 ) ;
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IMGUI_API void Scrollbar ( ImGuiAxis axis ) ;
IMGUI_API bool ScrollbarEx ( const ImRect & bb , ImGuiID id , ImGuiAxis axis , float * p_scroll_v , float avail_v , float contents_v , ImDrawCornerFlags rounding_corners ) ;
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IMGUI_API bool ImageButtonEx ( ImGuiID id , ImTextureID texture_id , const ImVec2 & size , const ImVec2 & uv0 , const ImVec2 & uv1 , const ImVec2 & padding , const ImVec4 & bg_col , const ImVec4 & tint_col ) ;
IMGUI_API ImRect GetWindowScrollbarRect ( ImGuiWindow * window , ImGuiAxis axis ) ;
IMGUI_API ImGuiID GetWindowScrollbarID ( ImGuiWindow * window , ImGuiAxis axis ) ;
IMGUI_API ImGuiID GetWindowResizeID ( ImGuiWindow * window , int n ) ; // 0..3: corners, 4..7: borders
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IMGUI_API void SeparatorEx ( ImGuiSeparatorFlags flags ) ;
// Widgets low-level behaviors
IMGUI_API bool ButtonBehavior ( const ImRect & bb , ImGuiID id , bool * out_hovered , bool * out_held , ImGuiButtonFlags flags = 0 ) ;
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IMGUI_API bool DragBehavior ( ImGuiID id , ImGuiDataType data_type , void * p_v , float v_speed , const void * p_min , const void * p_max , const char * format , ImGuiSliderFlags flags ) ;
IMGUI_API bool SliderBehavior ( const ImRect & bb , ImGuiID id , ImGuiDataType data_type , void * p_v , const void * p_min , const void * p_max , const char * format , ImGuiSliderFlags flags , ImRect * out_grab_bb ) ;
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IMGUI_API bool SplitterBehavior ( const ImRect & bb , ImGuiID id , ImGuiAxis axis , float * size1 , float * size2 , float min_size1 , float min_size2 , float hover_extend = 0.0f , float hover_visibility_delay = 0.0f ) ;
IMGUI_API bool TreeNodeBehavior ( ImGuiID id , ImGuiTreeNodeFlags flags , const char * label , const char * label_end = NULL ) ;
IMGUI_API bool TreeNodeBehaviorIsOpen ( ImGuiID id , ImGuiTreeNodeFlags flags = 0 ) ; // Consume previous SetNextItemOpen() data, if any. May return true when logging
IMGUI_API void TreePushOverrideID ( ImGuiID id ) ;
// Template functions are instantiated in imgui_widgets.cpp for a finite number of types.
// To use them externally (for custom widget) you may need an "extern template" statement in your code in order to link to existing instances and silence Clang warnings (see #2036).
// e.g. " extern template IMGUI_API float RoundScalarWithFormatT<float, float>(const char* format, ImGuiDataType data_type, float v); "
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template < typename T , typename SIGNED_T , typename FLOAT_T > IMGUI_API float ScaleRatioFromValueT ( ImGuiDataType data_type , T v , T v_min , T v_max , bool is_logarithmic , float logarithmic_zero_epsilon , float zero_deadzone_size ) ;
template < typename T , typename SIGNED_T , typename FLOAT_T > IMGUI_API T ScaleValueFromRatioT ( ImGuiDataType data_type , float t , T v_min , T v_max , bool is_logarithmic , float logarithmic_zero_epsilon , float zero_deadzone_size ) ;
template < typename T , typename SIGNED_T , typename FLOAT_T > IMGUI_API bool DragBehaviorT ( ImGuiDataType data_type , T * v , float v_speed , T v_min , T v_max , const char * format , ImGuiSliderFlags flags ) ;
template < typename T , typename SIGNED_T , typename FLOAT_T > IMGUI_API bool SliderBehaviorT ( const ImRect & bb , ImGuiID id , ImGuiDataType data_type , T * v , T v_min , T v_max , const char * format , ImGuiSliderFlags flags , ImRect * out_grab_bb ) ;
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template < typename T , typename SIGNED_T > IMGUI_API T RoundScalarWithFormatT ( const char * format , ImGuiDataType data_type , T v ) ;
// Data type helpers
IMGUI_API const ImGuiDataTypeInfo * DataTypeGetInfo ( ImGuiDataType data_type ) ;
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IMGUI_API int DataTypeFormatString ( char * buf , int buf_size , ImGuiDataType data_type , const void * p_data , const char * format ) ;
IMGUI_API void DataTypeApplyOp ( ImGuiDataType data_type , int op , void * output , const void * arg_1 , const void * arg_2 ) ;
IMGUI_API bool DataTypeApplyOpFromText ( const char * buf , const char * initial_value_buf , ImGuiDataType data_type , void * p_data , const char * format ) ;
IMGUI_API int DataTypeCompare ( ImGuiDataType data_type , const void * arg_1 , const void * arg_2 ) ;
IMGUI_API bool DataTypeClamp ( ImGuiDataType data_type , void * p_data , const void * p_min , const void * p_max ) ;
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// InputText
IMGUI_API bool InputTextEx ( const char * label , const char * hint , char * buf , int buf_size , const ImVec2 & size_arg , ImGuiInputTextFlags flags , ImGuiInputTextCallback callback = NULL , void * user_data = NULL ) ;
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IMGUI_API bool TempInputText ( const ImRect & bb , ImGuiID id , const char * label , char * buf , int buf_size , ImGuiInputTextFlags flags ) ;
IMGUI_API bool TempInputScalar ( const ImRect & bb , ImGuiID id , const char * label , ImGuiDataType data_type , void * p_data , const char * format , const void * p_clamp_min = NULL , const void * p_clamp_max = NULL ) ;
inline bool TempInputIsActive ( ImGuiID id ) { ImGuiContext & g = * GImGui ; return ( g . ActiveId = = id & & g . TempInputId = = id ) ; }
inline ImGuiInputTextState * GetInputTextState ( ImGuiID id ) { ImGuiContext & g = * GImGui ; return ( g . InputTextState . ID = = id ) ? & g . InputTextState : NULL ; } // Get input text state if active
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// Color
IMGUI_API void ColorTooltip ( const char * text , const float * col , ImGuiColorEditFlags flags ) ;
IMGUI_API void ColorEditOptionsPopup ( const float * col , ImGuiColorEditFlags flags ) ;
IMGUI_API void ColorPickerOptionsPopup ( const float * ref_col , ImGuiColorEditFlags flags ) ;
// Plot
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IMGUI_API int PlotEx ( ImGuiPlotType plot_type , const char * label , float ( * values_getter ) ( void * data , int idx ) , void * data , int values_count , int values_offset , const char * overlay_text , float scale_min , float scale_max , ImVec2 frame_size ) ;
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// Shade functions (write over already created vertices)
IMGUI_API void ShadeVertsLinearColorGradientKeepAlpha ( ImDrawList * draw_list , int vert_start_idx , int vert_end_idx , ImVec2 gradient_p0 , ImVec2 gradient_p1 , ImU32 col0 , ImU32 col1 ) ;
IMGUI_API void ShadeVertsLinearUV ( ImDrawList * draw_list , int vert_start_idx , int vert_end_idx , const ImVec2 & a , const ImVec2 & b , const ImVec2 & uv_a , const ImVec2 & uv_b , bool clamp ) ;
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// Garbage collection
IMGUI_API void GcCompactTransientWindowBuffers ( ImGuiWindow * window ) ;
IMGUI_API void GcAwakeTransientWindowBuffers ( ImGuiWindow * window ) ;
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// Debug Tools
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inline void DebugDrawItemRect ( ImU32 col = IM_COL32 ( 255 , 0 , 0 , 255 ) ) { ImGuiContext & g = * GImGui ; ImGuiWindow * window = g . CurrentWindow ; GetForegroundDrawList ( window ) - > AddRect ( window - > DC . LastItemRect . Min , window - > DC . LastItemRect . Max , col ) ; }
inline void DebugStartItemPicker ( ) { ImGuiContext & g = * GImGui ; g . DebugItemPickerActive = true ; }
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} // namespace ImGui
// ImFontAtlas internals
IMGUI_API bool ImFontAtlasBuildWithStbTruetype ( ImFontAtlas * atlas ) ;
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IMGUI_API void ImFontAtlasBuildInit ( ImFontAtlas * atlas ) ;
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IMGUI_API void ImFontAtlasBuildSetupFont ( ImFontAtlas * atlas , ImFont * font , ImFontConfig * font_config , float ascent , float descent ) ;
IMGUI_API void ImFontAtlasBuildPackCustomRects ( ImFontAtlas * atlas , void * stbrp_context_opaque ) ;
IMGUI_API void ImFontAtlasBuildFinish ( ImFontAtlas * atlas ) ;
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IMGUI_API void ImFontAtlasBuildRender1bppRectFromString ( ImFontAtlas * atlas , int atlas_x , int atlas_y , int w , int h , const char * in_str , char in_marker_char , unsigned char in_marker_pixel_value ) ;
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IMGUI_API void ImFontAtlasBuildMultiplyCalcLookupTable ( unsigned char out_table [ 256 ] , float in_multiply_factor ) ;
IMGUI_API void ImFontAtlasBuildMultiplyRectAlpha8 ( const unsigned char table [ 256 ] , unsigned char * pixels , int x , int y , int w , int h , int stride ) ;
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//-----------------------------------------------------------------------------
// [SECTION] Test Engine Hooks (imgui_test_engine)
//-----------------------------------------------------------------------------
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# ifdef IMGUI_ENABLE_TEST_ENGINE
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extern void ImGuiTestEngineHook_Shutdown ( ImGuiContext * ctx ) ;
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extern void ImGuiTestEngineHook_PreNewFrame ( ImGuiContext * ctx ) ;
extern void ImGuiTestEngineHook_PostNewFrame ( ImGuiContext * ctx ) ;
extern void ImGuiTestEngineHook_ItemAdd ( ImGuiContext * ctx , const ImRect & bb , ImGuiID id ) ;
extern void ImGuiTestEngineHook_ItemInfo ( ImGuiContext * ctx , ImGuiID id , const char * label , ImGuiItemStatusFlags flags ) ;
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extern void ImGuiTestEngineHook_IdInfo ( ImGuiContext * ctx , ImGuiDataType data_type , ImGuiID id , const void * data_id ) ;
extern void ImGuiTestEngineHook_IdInfo ( ImGuiContext * ctx , ImGuiDataType data_type , ImGuiID id , const void * data_id , const void * data_id_end ) ;
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extern void ImGuiTestEngineHook_Log ( ImGuiContext * ctx , const char * fmt , . . . ) ;
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# define IMGUI_TEST_ENGINE_ITEM_ADD(_BB,_ID) if (g.TestEngineHookItems) ImGuiTestEngineHook_ItemAdd(&g, _BB, _ID) // Register item bounding box
# define IMGUI_TEST_ENGINE_ITEM_INFO(_ID,_LABEL,_FLAGS) if (g.TestEngineHookItems) ImGuiTestEngineHook_ItemInfo(&g, _ID, _LABEL, _FLAGS) // Register item label and status flags (optional)
# define IMGUI_TEST_ENGINE_LOG(_FMT,...) if (g.TestEngineHookItems) ImGuiTestEngineHook_Log(&g, _FMT, __VA_ARGS__) // Custom log entry from user land into test log
# define IMGUI_TEST_ENGINE_ID_INFO(_ID,_TYPE,_DATA) if (g.TestEngineHookIdInfo == id) ImGuiTestEngineHook_IdInfo(&g, _TYPE, _ID, (const void*)(_DATA));
# define IMGUI_TEST_ENGINE_ID_INFO2(_ID,_TYPE,_DATA,_DATA2) if (g.TestEngineHookIdInfo == id) ImGuiTestEngineHook_IdInfo(&g, _TYPE, _ID, (const void*)(_DATA), (const void*)(_DATA2));
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# else
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# define IMGUI_TEST_ENGINE_ITEM_ADD(_BB,_ID) do { } while (0)
# define IMGUI_TEST_ENGINE_ITEM_INFO(_ID,_LABEL,_FLAGS) do { } while (0)
# define IMGUI_TEST_ENGINE_LOG(_FMT,...) do { } while (0)
# define IMGUI_TEST_ENGINE_ID_INFO(_ID,_TYPE,_DATA) do { } while (0)
# define IMGUI_TEST_ENGINE_ID_INFO2(_ID,_TYPE,_DATA,_DATA2) do { } while (0)
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# endif
# if defined(__clang__)
# pragma clang diagnostic pop
# elif defined(__GNUC__)
# pragma GCC diagnostic pop
# endif
# ifdef _MSC_VER
# pragma warning (pop)
# endif
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# endif // #ifndef IMGUI_DISABLE
