Moved colored implementation to their own functions

To minimise source code modifications, colored input text has been moved to their own functions.
The ImFont is still modified tho.

ImGui/imconfig.h

@@ -92,5 +92,7 @@ namespace ImGui
 }
 */
 
+#define IMGUI_INCLUDE_IMGUI_USER_H
+
 #define GLEW_STATIC
 #define IMGUI_IMPL_OPENGL_LOADER_GLEW

ImGui/imgui.cpp

@@ -1700,11 +1700,6 @@ int ImTextStrFromUtf8(ImWchar* buf, int buf_size, const char* in_text, const cha
     while (buf_out < buf_end-1 && (!in_text_end || in_text < in_text_end) && *in_text)
     {
         unsigned int c;
-        if (*in_text == 1)
-        {
-            in_text += 9;
-            continue;
-        }
         in_text += ImTextCharFromUtf8(&c, in_text, in_text_end);
         if (c == 0)
             break;

ImGui/imgui_draw.cpp

@@ -2816,8 +2816,6 @@ void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
 
 void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width, bool cpu_fine_clip) const
 {
-    ImU32 color_bkp = col;
-
     if (!text_end)
         text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls.
 
@@ -2879,7 +2877,7 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
 
             unsigned char color[4];
 
-            for (int i = 0; i < 4; ++i, s+=2)
+            for (int i = 0; i < 4; ++i, s += 2)
             {
                 if (s[0] >= '0' && s[0] <= '9')
                     color[i] = (s[0] - '0') * 16;

ImGui/imgui_user.h

@@ -0,0 +1,5 @@
+namespace ImGui
+{
+    IMGUI_API bool ColoredInputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size = ImVec2(0, 0), ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
+    IMGUI_API bool ColoredInputTextEx(const char* label, const char* hint, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
+}

ImGui/imgui_widgets.cpp

@@ -3097,12 +3097,6 @@ static ImVec2 InputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* t
         if (c == '\r')
             continue;
 
-        if (*s == 1)
-        {
-            s += 9;
-            continue;
-        }
-
         const float char_width = font->GetCharAdvance((ImWchar)c) * scale;
         line_width += char_width;
     }
@@ -7509,3 +7503,838 @@ void ImGui::Columns(int columns_count, const char* id, bool border)
 }
 
 //-------------------------------------------------------------------------
+
+// Custom part
+
+int ColoredImTextStrFromUtf8(ImWchar* buf, int buf_size, const char* in_text, const char* in_text_end, const char** in_remaining = NULL)
+{
+    ImWchar* buf_out = buf;
+    ImWchar* buf_end = buf + buf_size;
+    while (buf_out < buf_end - 1 && (!in_text_end || in_text < in_text_end) && *in_text)
+    {
+        unsigned int c;
+        if (*in_text == 1)
+        {
+            in_text += 9;
+            continue;
+        }
+        in_text += ImTextCharFromUtf8(&c, in_text, in_text_end);
+        if (c == 0)
+            break;
+        if (c < 0x10000)    // FIXME: Losing characters that don't fit in 2 bytes
+            * buf_out++ = (ImWchar)c;
+    }
+    *buf_out = 0;
+    if (in_remaining)
+        * in_remaining = in_text;
+    return (int)(buf_out - buf);
+}
+
+static ImVec2 ColoredInputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false)
+{
+    ImGuiContext& g = *GImGui;
+    ImFont* font = g.Font;
+    const float line_height = g.FontSize;
+    const float scale = line_height / font->FontSize;
+
+    ImVec2 text_size = ImVec2(0, 0);
+    float line_width = 0.0f;
+
+    const ImWchar* s = text_begin;
+    while (s < text_end)
+    {
+        if (*s == 1)
+        {
+            s += 9;
+            continue;
+        }
+
+        unsigned int c = (unsigned int)(*s++);
+        if (c == '\n')
+        {
+            text_size.x = ImMax(text_size.x, line_width);
+            text_size.y += line_height;
+            line_width = 0.0f;
+            if (stop_on_new_line)
+                break;
+            continue;
+        }
+        if (c == '\r')
+            continue;
+
+        const float char_width = font->GetCharAdvance((ImWchar)c) * scale;
+        line_width += char_width;
+    }
+
+    if (text_size.x < line_width)
+        text_size.x = line_width;
+
+    if (out_offset)
+        * out_offset = ImVec2(line_width, text_size.y + line_height);  // offset allow for the possibility of sitting after a trailing \n
+
+    if (line_width > 0 || text_size.y == 0.0f)                        // whereas size.y will ignore the trailing \n
+        text_size.y += line_height;
+
+    if (remaining)
+        * remaining = s;
+
+    return text_size;
+}
+
+// Same code as InputTextEx but with colored functions
+bool ImGui::ColoredInputTextEx(const char* label, const char* hint, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* callback_user_data)
+{
+    ImGuiWindow* window = GetCurrentWindow();
+    if (window->SkipItems)
+        return false;
+
+    IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackHistory) && (flags & ImGuiInputTextFlags_Multiline)));        // Can't use both together (they both use up/down keys)
+    IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackCompletion) && (flags & ImGuiInputTextFlags_AllowTabInput))); // Can't use both together (they both use tab key)
+
+    ImGuiContext& g = *GImGui;
+    ImGuiIO& io = g.IO;
+    const ImGuiStyle& style = g.Style;
+
+    const bool RENDER_SELECTION_WHEN_INACTIVE = false;
+    const bool is_multiline = (flags & ImGuiInputTextFlags_Multiline) != 0;
+    const bool is_readonly = (flags & ImGuiInputTextFlags_ReadOnly) != 0;
+    const bool is_password = (flags & ImGuiInputTextFlags_Password) != 0;
+    const bool is_undoable = (flags & ImGuiInputTextFlags_NoUndoRedo) == 0;
+    const bool is_resizable = (flags & ImGuiInputTextFlags_CallbackResize) != 0;
+    if (is_resizable)
+        IM_ASSERT(callback != NULL); // Must provide a callback if you set the ImGuiInputTextFlags_CallbackResize flag!
+
+    if (is_multiline) // Open group before calling GetID() because groups tracks id created within their scope,
+        BeginGroup();
+    const ImGuiID id = window->GetID(label);
+    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    ImVec2 size = CalcItemSize(size_arg, CalcItemWidth(), (is_multiline ? GetTextLineHeight() * 8.0f : label_size.y) + style.FramePadding.y * 2.0f); // Arbitrary default of 8 lines high for multi-line
+    const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + size);
+    const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? (style.ItemInnerSpacing.x + label_size.x) : 0.0f, 0.0f));
+
+    ImGuiWindow* draw_window = window;
+    if (is_multiline)
+    {
+        if (!ItemAdd(total_bb, id, &frame_bb))
+        {
+            ItemSize(total_bb, style.FramePadding.y);
+            EndGroup();
+            return false;
+        }
+        if (!BeginChildFrame(id, frame_bb.GetSize()))
+        {
+            EndChildFrame();
+            EndGroup();
+            return false;
+        }
+        draw_window = GetCurrentWindow();
+        draw_window->DC.NavLayerActiveMaskNext |= draw_window->DC.NavLayerCurrentMask; // This is to ensure that EndChild() will display a navigation highlight
+        size.x -= draw_window->ScrollbarSizes.x;
+    }
+    else
+    {
+        ItemSize(total_bb, style.FramePadding.y);
+        if (!ItemAdd(total_bb, id, &frame_bb))
+            return false;
+    }
+    const bool hovered = ItemHoverable(frame_bb, id);
+    if (hovered)
+        g.MouseCursor = ImGuiMouseCursor_TextInput;
+
+    // NB: we are only allowed to access 'edit_state' if we are the active widget.
+    ImGuiInputTextState* state = NULL;
+    if (g.InputTextState.ID == id)
+        state = &g.InputTextState;
+
+    const bool focus_requested = FocusableItemRegister(window, id);
+    const bool focus_requested_by_code = focus_requested && (g.FocusRequestCurrWindow == window && g.FocusRequestCurrCounterAll == window->DC.FocusCounterAll);
+    const bool focus_requested_by_tab = focus_requested && !focus_requested_by_code;
+
+    const bool user_clicked = hovered && io.MouseClicked[0];
+    const bool user_nav_input_start = (g.ActiveId != id) && ((g.NavInputId == id) || (g.NavActivateId == id && g.NavInputSource == ImGuiInputSource_NavKeyboard));
+    const bool user_scroll_finish = is_multiline && state != NULL && g.ActiveId == 0 && g.ActiveIdPreviousFrame == GetScrollbarID(draw_window, ImGuiAxis_Y);
+    const bool user_scroll_active = is_multiline && state != NULL && g.ActiveId == GetScrollbarID(draw_window, ImGuiAxis_Y);
+
+    bool clear_active_id = false;
+    bool select_all = (g.ActiveId != id) && ((flags & ImGuiInputTextFlags_AutoSelectAll) != 0 || user_nav_input_start) && (!is_multiline);
+
+    const bool init_make_active = (focus_requested || user_clicked || user_scroll_finish || user_nav_input_start);
+    const bool init_state = (init_make_active || user_scroll_active);
+    if (init_state && g.ActiveId != id)
+    {
+        // Access state even if we don't own it yet.
+        state = &g.InputTextState;
+        state->CursorAnimReset();
+
+        // Take a copy of the initial buffer value (both in original UTF-8 format and converted to wchar)
+        // From the moment we focused we are ignoring the content of 'buf' (unless we are in read-only mode)
+        const int buf_len = (int)strlen(buf);
+        state->InitialTextA.resize(buf_len + 1);    // UTF-8. we use +1 to make sure that .Data is always pointing to at least an empty string.
+        memcpy(state->InitialTextA.Data, buf, buf_len + 1);
+
+        // Start edition
+        const char* buf_end = NULL;
+        state->TextW.resize(buf_size + 1);          // wchar count <= UTF-8 count. we use +1 to make sure that .Data is always pointing to at least an empty string.
+        state->TextA.resize(0);
+        state->TextAIsValid = false;                // TextA is not valid yet (we will display buf until then)
+        state->CurLenW = ColoredImTextStrFromUtf8(state->TextW.Data, buf_size, buf, NULL, &buf_end);
+        state->CurLenA = (int)(buf_end - buf);      // We can't get the result from ImStrncpy() above because it is not UTF-8 aware. Here we'll cut off malformed UTF-8.
+
+        // Preserve cursor position and undo/redo stack if we come back to same widget
+        // FIXME: For non-readonly widgets we might be able to require that TextAIsValid && TextA == buf ? (untested) and discard undo stack if user buffer has changed.
+        const bool recycle_state = (state->ID == id);
+        if (recycle_state)
+        {
+            // Recycle existing cursor/selection/undo stack but clamp position
+            // Note a single mouse click will override the cursor/position immediately by calling stb_textedit_click handler.
+            state->CursorClamp();
+        }
+        else
+        {
+            state->ID = id;
+            state->ScrollX = 0.0f;
+            stb_textedit_initialize_state(&state->Stb, !is_multiline);
+            if (!is_multiline && focus_requested_by_code)
+                select_all = true;
+        }
+        if (flags & ImGuiInputTextFlags_AlwaysInsertMode)
+            state->Stb.insert_mode = 1;
+        if (!is_multiline && (focus_requested_by_tab || (user_clicked && io.KeyCtrl)))
+            select_all = true;
+    }
+
+    if (g.ActiveId != id && init_make_active)
+    {
+        IM_ASSERT(state && state->ID == id);
+        SetActiveID(id, window);
+        SetFocusID(id, window);
+        FocusWindow(window);
+        IM_ASSERT(ImGuiNavInput_COUNT < 32);
+        g.ActiveIdBlockNavInputFlags = (1 << ImGuiNavInput_Cancel);
+        if (flags & (ImGuiInputTextFlags_CallbackCompletion | ImGuiInputTextFlags_AllowTabInput))  // Disable keyboard tabbing out as we will use the \t character.
+            g.ActiveIdBlockNavInputFlags |= (1 << ImGuiNavInput_KeyTab_);
+        if (!is_multiline && !(flags & ImGuiInputTextFlags_CallbackHistory))
+            g.ActiveIdAllowNavDirFlags = ((1 << ImGuiDir_Up) | (1 << ImGuiDir_Down));
+    }
+
+    // We have an edge case if ActiveId was set through another widget (e.g. widget being swapped), clear id immediately (don't wait until the end of the function)
+    if (g.ActiveId == id && state == NULL)
+        ClearActiveID();
+
+    // Release focus when we click outside
+    if (g.ActiveId == id && io.MouseClicked[0] && !init_state && !init_make_active) //-V560
+        clear_active_id = true;
+
+    // Lock the decision of whether we are going to take the path displaying the cursor or selection
+    const bool render_cursor = (g.ActiveId == id) || (state && user_scroll_active);
+    bool render_selection = state && state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor);
+    bool value_changed = false;
+    bool enter_pressed = false;
+
+    // When read-only we always use the live data passed to the function
+    // FIXME-OPT: Because our selection/cursor code currently needs the wide text we need to convert it when active, which is not ideal :(
+    if (is_readonly && state != NULL && (render_cursor || render_selection))
+    {
+        const char* buf_end = NULL;
+        state->TextW.resize(buf_size + 1);
+        state->CurLenW = ColoredImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, buf, NULL, &buf_end);
+        state->CurLenA = (int)(buf_end - buf);
+        state->CursorClamp();
+        render_selection &= state->HasSelection();
+    }
+
+    // Select the buffer to render.
+    const bool buf_display_from_state = (render_cursor || render_selection || g.ActiveId == id) && !is_readonly && state && state->TextAIsValid;
+    const bool is_displaying_hint = (hint != NULL && (buf_display_from_state ? state->TextA.Data : buf)[0] == 0);
+
+    // Password pushes a temporary font with only a fallback glyph
+    if (is_password && !is_displaying_hint)
+    {
+        const ImFontGlyph* glyph = g.Font->FindGlyph('*');
+        ImFont* password_font = &g.InputTextPasswordFont;
+        password_font->FontSize = g.Font->FontSize;
+        password_font->Scale = g.Font->Scale;
+        password_font->DisplayOffset = g.Font->DisplayOffset;
+        password_font->Ascent = g.Font->Ascent;
+        password_font->Descent = g.Font->Descent;
+        password_font->ContainerAtlas = g.Font->ContainerAtlas;
+        password_font->FallbackGlyph = glyph;
+        password_font->FallbackAdvanceX = glyph->AdvanceX;
+        IM_ASSERT(password_font->Glyphs.empty() && password_font->IndexAdvanceX.empty() && password_font->IndexLookup.empty());
+        PushFont(password_font);
+    }
+
+    // Process mouse inputs and character inputs
+    int backup_current_text_length = 0;
+    if (g.ActiveId == id)
+    {
+        IM_ASSERT(state != NULL);
+        backup_current_text_length = state->CurLenA;
+        state->BufCapacityA = buf_size;
+        state->UserFlags = flags;
+        state->UserCallback = callback;
+        state->UserCallbackData = callback_user_data;
+
+        // Although we are active we don't prevent mouse from hovering other elements unless we are interacting right now with the widget.
+        // Down the line we should have a cleaner library-wide concept of Selected vs Active.
+        g.ActiveIdAllowOverlap = !io.MouseDown[0];
+        g.WantTextInputNextFrame = 1;
+
+        // Edit in progress
+        const float mouse_x = (io.MousePos.x - frame_bb.Min.x - style.FramePadding.x) + state->ScrollX;
+        const float mouse_y = (is_multiline ? (io.MousePos.y - draw_window->DC.CursorPos.y - style.FramePadding.y) : (g.FontSize * 0.5f));
+
+        const bool is_osx = io.ConfigMacOSXBehaviors;
+        if (select_all || (hovered && !is_osx && io.MouseDoubleClicked[0]))
+        {
+            state->SelectAll();
+            state->SelectedAllMouseLock = true;
+        }
+        else if (hovered && is_osx && io.MouseDoubleClicked[0])
+        {
+            // Double-click select a word only, OS X style (by simulating keystrokes)
+            state->OnKeyPressed(STB_TEXTEDIT_K_WORDLEFT);
+            state->OnKeyPressed(STB_TEXTEDIT_K_WORDRIGHT | STB_TEXTEDIT_K_SHIFT);
+        }
+        else if (io.MouseClicked[0] && !state->SelectedAllMouseLock)
+        {
+            if (hovered)
+            {
+                stb_textedit_click(state, &state->Stb, mouse_x, mouse_y);
+                state->CursorAnimReset();
+            }
+        }
+        else if (io.MouseDown[0] && !state->SelectedAllMouseLock && (io.MouseDelta.x != 0.0f || io.MouseDelta.y != 0.0f))
+        {
+            stb_textedit_drag(state, &state->Stb, mouse_x, mouse_y);
+            state->CursorAnimReset();
+            state->CursorFollow = true;
+        }
+        if (state->SelectedAllMouseLock && !io.MouseDown[0])
+            state->SelectedAllMouseLock = false;
+
+        // It is ill-defined whether the back-end needs to send a \t character when pressing the TAB keys.
+        // Win32 and GLFW naturally do it but not SDL.
+        const bool ignore_char_inputs = (io.KeyCtrl && !io.KeyAlt) || (is_osx && io.KeySuper);
+        if ((flags & ImGuiInputTextFlags_AllowTabInput) && IsKeyPressedMap(ImGuiKey_Tab) && !ignore_char_inputs && !io.KeyShift && !is_readonly)
+            if (!io.InputQueueCharacters.contains('\t'))
+            {
+                unsigned int c = '\t'; // Insert TAB
+                if (InputTextFilterCharacter(&c, flags, callback, callback_user_data))
+                    state->OnKeyPressed((int)c);
+            }
+
+        // Process regular text input (before we check for Return because using some IME will effectively send a Return?)
+        // We ignore CTRL inputs, but need to allow ALT+CTRL as some keyboards (e.g. German) use AltGR (which _is_ Alt+Ctrl) to input certain characters.
+        if (io.InputQueueCharacters.Size > 0)
+        {
+            if (!ignore_char_inputs && !is_readonly && !user_nav_input_start)
+                for (int n = 0; n < io.InputQueueCharacters.Size; n++)
+                {
+                    // Insert character if they pass filtering
+                    unsigned int c = (unsigned int)io.InputQueueCharacters[n];
+                    if (c == '\t' && io.KeyShift)
+                        continue;
+                    if (InputTextFilterCharacter(&c, flags, callback, callback_user_data))
+                        state->OnKeyPressed((int)c);
+                }
+
+            // Consume characters
+            io.InputQueueCharacters.resize(0);
+        }
+    }
+
+    // Process other shortcuts/key-presses
+    bool cancel_edit = false;
+    if (g.ActiveId == id && !g.ActiveIdIsJustActivated && !clear_active_id)
+    {
+        IM_ASSERT(state != NULL);
+        const int k_mask = (io.KeyShift ? STB_TEXTEDIT_K_SHIFT : 0);
+        const bool is_osx = io.ConfigMacOSXBehaviors;
+        const bool is_shortcut_key = (is_osx ? (io.KeySuper && !io.KeyCtrl) : (io.KeyCtrl && !io.KeySuper)) && !io.KeyAlt && !io.KeyShift; // OS X style: Shortcuts using Cmd/Super instead of Ctrl
+        const bool is_osx_shift_shortcut = is_osx && io.KeySuper && io.KeyShift && !io.KeyCtrl && !io.KeyAlt;
+        const bool is_wordmove_key_down = is_osx ? io.KeyAlt : io.KeyCtrl;                     // OS X style: Text editing cursor movement using Alt instead of Ctrl
+        const bool is_startend_key_down = is_osx && io.KeySuper && !io.KeyCtrl && !io.KeyAlt;  // OS X style: Line/Text Start and End using Cmd+Arrows instead of Home/End
+        const bool is_ctrl_key_only = io.KeyCtrl && !io.KeyShift && !io.KeyAlt && !io.KeySuper;
+        const bool is_shift_key_only = io.KeyShift && !io.KeyCtrl && !io.KeyAlt && !io.KeySuper;
+
+        const bool is_cut = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_X)) || (is_shift_key_only && IsKeyPressedMap(ImGuiKey_Delete))) && !is_readonly && !is_password && (!is_multiline || state->HasSelection());
+        const bool is_copy = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_C)) || (is_ctrl_key_only && IsKeyPressedMap(ImGuiKey_Insert))) && !is_password && (!is_multiline || state->HasSelection());
+        const bool is_paste = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_V)) || (is_shift_key_only && IsKeyPressedMap(ImGuiKey_Insert))) && !is_readonly;
+        const bool is_undo = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_Z)) && !is_readonly && is_undoable);
+        const bool is_redo = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_Y)) || (is_osx_shift_shortcut && IsKeyPressedMap(ImGuiKey_Z))) && !is_readonly && is_undoable;
+
+        if (IsKeyPressedMap(ImGuiKey_LeftArrow)) { state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_LINESTART : is_wordmove_key_down ? STB_TEXTEDIT_K_WORDLEFT : STB_TEXTEDIT_K_LEFT) | k_mask); }
+        else if (IsKeyPressedMap(ImGuiKey_RightArrow)) { state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_LINEEND : is_wordmove_key_down ? STB_TEXTEDIT_K_WORDRIGHT : STB_TEXTEDIT_K_RIGHT) | k_mask); }
+        else if (IsKeyPressedMap(ImGuiKey_UpArrow) && is_multiline) { if (io.KeyCtrl) SetWindowScrollY(draw_window, ImMax(draw_window->Scroll.y - g.FontSize, 0.0f)); else state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_TEXTSTART : STB_TEXTEDIT_K_UP) | k_mask); }
+        else if (IsKeyPressedMap(ImGuiKey_DownArrow) && is_multiline) { if (io.KeyCtrl) SetWindowScrollY(draw_window, ImMin(draw_window->Scroll.y + g.FontSize, GetScrollMaxY())); else state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_TEXTEND : STB_TEXTEDIT_K_DOWN) | k_mask); }
+        else if (IsKeyPressedMap(ImGuiKey_Home)) { state->OnKeyPressed(io.KeyCtrl ? STB_TEXTEDIT_K_TEXTSTART | k_mask : STB_TEXTEDIT_K_LINESTART | k_mask); }
+        else if (IsKeyPressedMap(ImGuiKey_End)) { state->OnKeyPressed(io.KeyCtrl ? STB_TEXTEDIT_K_TEXTEND | k_mask : STB_TEXTEDIT_K_LINEEND | k_mask); }
+        else if (IsKeyPressedMap(ImGuiKey_Delete) && !is_readonly) { state->OnKeyPressed(STB_TEXTEDIT_K_DELETE | k_mask); }
+        else if (IsKeyPressedMap(ImGuiKey_Backspace) && !is_readonly)
+        {
+            if (!state->HasSelection())
+            {
+                if (is_wordmove_key_down)
+                    state->OnKeyPressed(STB_TEXTEDIT_K_WORDLEFT | STB_TEXTEDIT_K_SHIFT);
+                else if (is_osx && io.KeySuper && !io.KeyAlt && !io.KeyCtrl)
+                    state->OnKeyPressed(STB_TEXTEDIT_K_LINESTART | STB_TEXTEDIT_K_SHIFT);
+            }
+            state->OnKeyPressed(STB_TEXTEDIT_K_BACKSPACE | k_mask);
+        }
+        else if (IsKeyPressedMap(ImGuiKey_Enter))
+        {
+            bool ctrl_enter_for_new_line = (flags & ImGuiInputTextFlags_CtrlEnterForNewLine) != 0;
+            if (!is_multiline || (ctrl_enter_for_new_line && !io.KeyCtrl) || (!ctrl_enter_for_new_line && io.KeyCtrl))
+            {
+                enter_pressed = clear_active_id = true;
+            }
+            else if (!is_readonly)
+            {
+                unsigned int c = '\n'; // Insert new line
+                if (InputTextFilterCharacter(&c, flags, callback, callback_user_data))
+                    state->OnKeyPressed((int)c);
+            }
+        }
+        else if (IsKeyPressedMap(ImGuiKey_Escape))
+        {
+            clear_active_id = cancel_edit = true;
+        }
+        else if (is_undo || is_redo)
+        {
+            state->OnKeyPressed(is_undo ? STB_TEXTEDIT_K_UNDO : STB_TEXTEDIT_K_REDO);
+            state->ClearSelection();
+        }
+        else if (is_shortcut_key && IsKeyPressedMap(ImGuiKey_A))
+        {
+            state->SelectAll();
+            state->CursorFollow = true;
+        }
+        else if (is_cut || is_copy)
+        {
+            // Cut, Copy
+            if (io.SetClipboardTextFn)
+            {
+                const int ib = state->HasSelection() ? ImMin(state->Stb.select_start, state->Stb.select_end) : 0;
+                const int ie = state->HasSelection() ? ImMax(state->Stb.select_start, state->Stb.select_end) : state->CurLenW;
+                const int clipboard_data_len = ImTextCountUtf8BytesFromStr(state->TextW.Data + ib, state->TextW.Data + ie) + 1;
+                char* clipboard_data = (char*)IM_ALLOC(clipboard_data_len * sizeof(char));
+                ImTextStrToUtf8(clipboard_data, clipboard_data_len, state->TextW.Data + ib, state->TextW.Data + ie);
+                SetClipboardText(clipboard_data);
+                MemFree(clipboard_data);
+            }
+            if (is_cut)
+            {
+                if (!state->HasSelection())
+                    state->SelectAll();
+                state->CursorFollow = true;
+                stb_textedit_cut(state, &state->Stb);
+            }
+        }
+        else if (is_paste)
+        {
+            if (const char* clipboard = GetClipboardText())
+            {
+                // Filter pasted buffer
+                const int clipboard_len = (int)strlen(clipboard);
+                ImWchar* clipboard_filtered = (ImWchar*)IM_ALLOC((clipboard_len + 1) * sizeof(ImWchar));
+                int clipboard_filtered_len = 0;
+                for (const char* s = clipboard; *s; )
+                {
+                    unsigned int c;
+                    s += ImTextCharFromUtf8(&c, s, NULL);
+                    if (c == 0)
+                        break;
+                    if (c >= 0x10000 || !InputTextFilterCharacter(&c, flags, callback, callback_user_data))
+                        continue;
+                    clipboard_filtered[clipboard_filtered_len++] = (ImWchar)c;
+                }
+                clipboard_filtered[clipboard_filtered_len] = 0;
+                if (clipboard_filtered_len > 0) // If everything was filtered, ignore the pasting operation
+                {
+                    stb_textedit_paste(state, &state->Stb, clipboard_filtered, clipboard_filtered_len);
+                    state->CursorFollow = true;
+                }
+                MemFree(clipboard_filtered);
+            }
+        }
+
+        // Update render selection flag after events have been handled, so selection highlight can be displayed during the same frame.
+        render_selection |= state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor);
+    }
+
+    // Process callbacks and apply result back to user's buffer.
+    if (g.ActiveId == id)
+    {
+        IM_ASSERT(state != NULL);
+        const char* apply_new_text = NULL;
+        int apply_new_text_length = 0;
+        if (cancel_edit)
+        {
+            // Restore initial value. Only return true if restoring to the initial value changes the current buffer contents.
+            if (!is_readonly && strcmp(buf, state->InitialTextA.Data) != 0)
+            {
+                apply_new_text = state->InitialTextA.Data;
+                apply_new_text_length = state->InitialTextA.Size - 1;
+            }
+        }
+
+        // When using 'ImGuiInputTextFlags_EnterReturnsTrue' as a special case we reapply the live buffer back to the input buffer before clearing ActiveId, even though strictly speaking it wasn't modified on this frame.
+        // If we didn't do that, code like InputInt() with ImGuiInputTextFlags_EnterReturnsTrue would fail. Also this allows the user to use InputText() with ImGuiInputTextFlags_EnterReturnsTrue without maintaining any user-side storage.
+        bool apply_edit_back_to_user_buffer = !cancel_edit || (enter_pressed && (flags & ImGuiInputTextFlags_EnterReturnsTrue) != 0);
+        if (apply_edit_back_to_user_buffer)
+        {
+            // Apply new value immediately - copy modified buffer back
+            // Note that as soon as the input box is active, the in-widget value gets priority over any underlying modification of the input buffer
+            // FIXME: We actually always render 'buf' when calling DrawList->AddText, making the comment above incorrect.
+            // FIXME-OPT: CPU waste to do this every time the widget is active, should mark dirty state from the stb_textedit callbacks.
+            if (!is_readonly)
+            {
+                state->TextAIsValid = true;
+                state->TextA.resize(state->TextW.Size * 4 + 1);
+                ImTextStrToUtf8(state->TextA.Data, state->TextA.Size, state->TextW.Data, NULL);
+            }
+
+            // User callback
+            if ((flags & (ImGuiInputTextFlags_CallbackCompletion | ImGuiInputTextFlags_CallbackHistory | ImGuiInputTextFlags_CallbackAlways)) != 0)
+            {
+                IM_ASSERT(callback != NULL);
+
+                // The reason we specify the usage semantic (Completion/History) is that Completion needs to disable keyboard TABBING at the moment.
+                ImGuiInputTextFlags event_flag = 0;
+                ImGuiKey event_key = ImGuiKey_COUNT;
+                if ((flags & ImGuiInputTextFlags_CallbackCompletion) != 0 && IsKeyPressedMap(ImGuiKey_Tab))
+                {
+                    event_flag = ImGuiInputTextFlags_CallbackCompletion;
+                    event_key = ImGuiKey_Tab;
+                }
+                else if ((flags & ImGuiInputTextFlags_CallbackHistory) != 0 && IsKeyPressedMap(ImGuiKey_UpArrow))
+                {
+                    event_flag = ImGuiInputTextFlags_CallbackHistory;
+                    event_key = ImGuiKey_UpArrow;
+                }
+                else if ((flags & ImGuiInputTextFlags_CallbackHistory) != 0 && IsKeyPressedMap(ImGuiKey_DownArrow))
+                {
+                    event_flag = ImGuiInputTextFlags_CallbackHistory;
+                    event_key = ImGuiKey_DownArrow;
+                }
+                else if (flags & ImGuiInputTextFlags_CallbackAlways)
+                    event_flag = ImGuiInputTextFlags_CallbackAlways;
+
+                if (event_flag)
+                {
+                    ImGuiInputTextCallbackData callback_data;
+                    memset(&callback_data, 0, sizeof(ImGuiInputTextCallbackData));
+                    callback_data.EventFlag = event_flag;
+                    callback_data.Flags = flags;
+                    callback_data.UserData = callback_user_data;
+
+                    callback_data.EventKey = event_key;
+                    callback_data.Buf = state->TextA.Data;
+                    callback_data.BufTextLen = state->CurLenA;
+                    callback_data.BufSize = state->BufCapacityA;
+                    callback_data.BufDirty = false;
+
+                    // We have to convert from wchar-positions to UTF-8-positions, which can be pretty slow (an incentive to ditch the ImWchar buffer, see https://github.com/nothings/stb/issues/188)
+                    ImWchar* text = state->TextW.Data;
+                    const int utf8_cursor_pos = callback_data.CursorPos = ImTextCountUtf8BytesFromStr(text, text + state->Stb.cursor);
+                    const int utf8_selection_start = callback_data.SelectionStart = ImTextCountUtf8BytesFromStr(text, text + state->Stb.select_start);
+                    const int utf8_selection_end = callback_data.SelectionEnd = ImTextCountUtf8BytesFromStr(text, text + state->Stb.select_end);
+
+                    // Call user code
+                    callback(&callback_data);
+
+                    // Read back what user may have modified
+                    IM_ASSERT(callback_data.Buf == state->TextA.Data);  // Invalid to modify those fields
+                    IM_ASSERT(callback_data.BufSize == state->BufCapacityA);
+                    IM_ASSERT(callback_data.Flags == flags);
+                    if (callback_data.CursorPos != utf8_cursor_pos) { state->Stb.cursor = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.CursorPos); state->CursorFollow = true; }
+                    if (callback_data.SelectionStart != utf8_selection_start) { state->Stb.select_start = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionStart); }
+                    if (callback_data.SelectionEnd != utf8_selection_end) { state->Stb.select_end = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionEnd); }
+                    if (callback_data.BufDirty)
+                    {
+                        IM_ASSERT(callback_data.BufTextLen == (int)strlen(callback_data.Buf)); // You need to maintain BufTextLen if you change the text!
+                        if (callback_data.BufTextLen > backup_current_text_length && is_resizable)
+                            state->TextW.resize(state->TextW.Size + (callback_data.BufTextLen - backup_current_text_length));
+                        state->CurLenW = ColoredImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, callback_data.Buf, NULL);
+                        state->CurLenA = callback_data.BufTextLen;  // Assume correct length and valid UTF-8 from user, saves us an extra strlen()
+                        state->CursorAnimReset();
+                    }
+                }
+            }
+
+            // Will copy result string if modified
+            if (!is_readonly && strcmp(state->TextA.Data, buf) != 0)
+            {
+                apply_new_text = state->TextA.Data;
+                apply_new_text_length = state->CurLenA;
+            }
+        }
+
+        // Copy result to user buffer
+        if (apply_new_text)
+        {
+            IM_ASSERT(apply_new_text_length >= 0);
+            if (backup_current_text_length != apply_new_text_length && is_resizable)
+            {
+                ImGuiInputTextCallbackData callback_data;
+                callback_data.EventFlag = ImGuiInputTextFlags_CallbackResize;
+                callback_data.Flags = flags;
+                callback_data.Buf = buf;
+                callback_data.BufTextLen = apply_new_text_length;
+                callback_data.BufSize = ImMax(buf_size, apply_new_text_length + 1);
+                callback_data.UserData = callback_user_data;
+                callback(&callback_data);
+                buf = callback_data.Buf;
+                buf_size = callback_data.BufSize;
+                apply_new_text_length = ImMin(callback_data.BufTextLen, buf_size - 1);
+                IM_ASSERT(apply_new_text_length <= buf_size);
+            }
+
+            // If the underlying buffer resize was denied or not carried to the next frame, apply_new_text_length+1 may be >= buf_size.
+            ImStrncpy(buf, apply_new_text, ImMin(apply_new_text_length + 1, buf_size));
+            value_changed = true;
+        }
+
+        // Clear temporary user storage
+        state->UserFlags = 0;
+        state->UserCallback = NULL;
+        state->UserCallbackData = NULL;
+    }
+
+    // Release active ID at the end of the function (so e.g. pressing Return still does a final application of the value)
+    if (clear_active_id && g.ActiveId == id)
+        ClearActiveID();
+
+    // Render frame
+    if (!is_multiline)
+    {
+        RenderNavHighlight(frame_bb, id);
+        RenderFrame(frame_bb.Min, frame_bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
+    }
+
+    const ImVec4 clip_rect(frame_bb.Min.x, frame_bb.Min.y, frame_bb.Min.x + size.x, frame_bb.Min.y + size.y); // Not using frame_bb.Max because we have adjusted size
+    ImVec2 draw_pos = is_multiline ? draw_window->DC.CursorPos : frame_bb.Min + style.FramePadding;
+    ImVec2 text_size(0.0f, 0.0f);
+
+    // Set upper limit of single-line InputTextEx() at 2 million characters strings. The current pathological worst case is a long line
+    // without any carriage return, which would makes ImFont::RenderText() reserve too many vertices and probably crash. Avoid it altogether.
+    // Note that we only use this limit on single-line InputText(), so a pathologically large line on a InputTextMultiline() would still crash.
+    const int buf_display_max_length = 2 * 1024 * 1024;
+    const char* buf_display = buf_display_from_state ? state->TextA.Data : buf; //-V595
+    const char* buf_display_end = NULL; // We have specialized paths below for setting the length
+    if (is_displaying_hint)
+    {
+        buf_display = hint;
+        buf_display_end = hint + strlen(hint);
+    }
+
+    // Render text. We currently only render selection when the widget is active or while scrolling.
+    // FIXME: We could remove the '&& render_cursor' to keep rendering selection when inactive.
+    if (render_cursor || render_selection)
+    {
+        IM_ASSERT(state != NULL);
+        if (!is_displaying_hint)
+            buf_display_end = buf_display + state->CurLenA;
+
+        // Render text (with cursor and selection)
+        // This is going to be messy. We need to:
+        // - Display the text (this alone can be more easily clipped)
+        // - Handle scrolling, highlight selection, display cursor (those all requires some form of 1d->2d cursor position calculation)
+        // - Measure text height (for scrollbar)
+        // We are attempting to do most of that in **one main pass** to minimize the computation cost (non-negligible for large amount of text) + 2nd pass for selection rendering (we could merge them by an extra refactoring effort)
+        // FIXME: This should occur on buf_display but we'd need to maintain cursor/select_start/select_end for UTF-8.
+        const ImWchar* text_begin = state->TextW.Data;
+        ImVec2 cursor_offset, select_start_offset;
+
+        {
+            // Find lines numbers straddling 'cursor' (slot 0) and 'select_start' (slot 1) positions.
+            const ImWchar* searches_input_ptr[2] = { NULL, NULL };
+            int searches_result_line_no[2] = { -1000, -1000 };
+            int searches_remaining = 0;
+            if (render_cursor)
+            {
+                searches_input_ptr[0] = text_begin + state->Stb.cursor;
+                searches_result_line_no[0] = -1;
+                searches_remaining++;
+            }
+            if (render_selection)
+            {
+                searches_input_ptr[1] = text_begin + ImMin(state->Stb.select_start, state->Stb.select_end);
+                searches_result_line_no[1] = -1;
+                searches_remaining++;
+            }
+
+            // Iterate all lines to find our line numbers
+            // In multi-line mode, we never exit the loop until all lines are counted, so add one extra to the searches_remaining counter.
+            searches_remaining += is_multiline ? 1 : 0;
+            int line_count = 0;
+            //for (const ImWchar* s = text_begin; (s = (const ImWchar*)wcschr((const wchar_t*)s, (wchar_t)'\n')) != NULL; s++)  // FIXME-OPT: Could use this when wchar_t are 16-bits
+            for (const ImWchar* s = text_begin; *s != 0; s++)
+                if (*s == '\n')
+                {
+                    line_count++;
+                    if (searches_result_line_no[0] == -1 && s >= searches_input_ptr[0]) { searches_result_line_no[0] = line_count; if (--searches_remaining <= 0) break; }
+                    if (searches_result_line_no[1] == -1 && s >= searches_input_ptr[1]) { searches_result_line_no[1] = line_count; if (--searches_remaining <= 0) break; }
+                }
+            line_count++;
+            if (searches_result_line_no[0] == -1)
+                searches_result_line_no[0] = line_count;
+            if (searches_result_line_no[1] == -1)
+                searches_result_line_no[1] = line_count;
+
+            // Calculate 2d position by finding the beginning of the line and measuring distance
+            cursor_offset.x = ColoredInputTextCalcTextSizeW(ImStrbolW(searches_input_ptr[0], text_begin), searches_input_ptr[0]).x;
+            cursor_offset.y = searches_result_line_no[0] * g.FontSize;
+            if (searches_result_line_no[1] >= 0)
+            {
+                select_start_offset.x = ColoredInputTextCalcTextSizeW(ImStrbolW(searches_input_ptr[1], text_begin), searches_input_ptr[1]).x;
+                select_start_offset.y = searches_result_line_no[1] * g.FontSize;
+            }
+
+            // Store text height (note that we haven't calculated text width at all, see GitHub issues #383, #1224)
+            if (is_multiline)
+                text_size = ImVec2(size.x, line_count * g.FontSize);
+        }
+
+        // Scroll
+        if (render_cursor && state->CursorFollow)
+        {
+            // Horizontal scroll in chunks of quarter width
+            if (!(flags & ImGuiInputTextFlags_NoHorizontalScroll))
+            {
+                const float scroll_increment_x = size.x * 0.25f;
+                if (cursor_offset.x < state->ScrollX)
+                    state->ScrollX = (float)(int)ImMax(0.0f, cursor_offset.x - scroll_increment_x);
+                else if (cursor_offset.x - size.x >= state->ScrollX)
+                    state->ScrollX = (float)(int)(cursor_offset.x - size.x + scroll_increment_x);
+            }
+            else
+            {
+                state->ScrollX = 0.0f;
+            }
+
+            // Vertical scroll
+            if (is_multiline)
+            {
+                float scroll_y = draw_window->Scroll.y;
+                if (cursor_offset.y - g.FontSize < scroll_y)
+                    scroll_y = ImMax(0.0f, cursor_offset.y - g.FontSize);
+                else if (cursor_offset.y - size.y >= scroll_y)
+                    scroll_y = cursor_offset.y - size.y;
+                draw_window->DC.CursorPos.y += (draw_window->Scroll.y - scroll_y);   // Manipulate cursor pos immediately avoid a frame of lag
+                draw_window->Scroll.y = scroll_y;
+                draw_pos.y = draw_window->DC.CursorPos.y;
+            }
+
+            state->CursorFollow = false;
+        }
+
+        // Draw selection
+        const ImVec2 draw_scroll = ImVec2(state->ScrollX, 0.0f);
+        if (render_selection)
+        {
+            const ImWchar* text_selected_begin = text_begin + ImMin(state->Stb.select_start, state->Stb.select_end);
+            const ImWchar* text_selected_end = text_begin + ImMax(state->Stb.select_start, state->Stb.select_end);
+
+            ImU32 bg_color = GetColorU32(ImGuiCol_TextSelectedBg, render_cursor ? 1.0f : 0.6f); // FIXME: current code flow mandate that render_cursor is always true here, we are leaving the transparent one for tests.
+            float bg_offy_up = is_multiline ? 0.0f : -1.0f;    // FIXME: those offsets should be part of the style? they don't play so well with multi-line selection.
+            float bg_offy_dn = is_multiline ? 0.0f : 2.0f;
+            ImVec2 rect_pos = draw_pos + select_start_offset - draw_scroll;
+            for (const ImWchar* p = text_selected_begin; p < text_selected_end; )
+            {
+                if (rect_pos.y > clip_rect.w + g.FontSize)
+                    break;
+                if (rect_pos.y < clip_rect.y)
+                {
+                    //p = (const ImWchar*)wmemchr((const wchar_t*)p, '\n', text_selected_end - p);  // FIXME-OPT: Could use this when wchar_t are 16-bits
+                    //p = p ? p + 1 : text_selected_end;
+                    while (p < text_selected_end)
+                        if (*p++ == '\n')
+                            break;
+                }
+                else
+                {
+                    ImVec2 rect_size = ColoredInputTextCalcTextSizeW(p, text_selected_end, &p, NULL, true);
+                    if (rect_size.x <= 0.0f) rect_size.x = (float)(int)(g.Font->GetCharAdvance((ImWchar)' ') * 0.50f); // So we can see selected empty lines
+                    ImRect rect(rect_pos + ImVec2(0.0f, bg_offy_up - g.FontSize), rect_pos + ImVec2(rect_size.x, bg_offy_dn));
+                    rect.ClipWith(clip_rect);
+                    if (rect.Overlaps(clip_rect))
+                        draw_window->DrawList->AddRectFilled(rect.Min, rect.Max, bg_color);
+                }
+                rect_pos.x = draw_pos.x - draw_scroll.x;
+                rect_pos.y += g.FontSize;
+            }
+        }
+
+        // We test for 'buf_display_max_length' as a way to avoid some pathological cases (e.g. single-line 1 MB string) which would make ImDrawList crash.
+        if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
+        {
+            ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text);
+            draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos - draw_scroll, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
+        }
+
+        // Draw blinking cursor
+        if (render_cursor)
+        {
+            state->CursorAnim += io.DeltaTime;
+            bool cursor_is_visible = (!g.IO.ConfigInputTextCursorBlink) || (state->CursorAnim <= 0.0f) || ImFmod(state->CursorAnim, 1.20f) <= 0.80f;
+            ImVec2 cursor_screen_pos = draw_pos + cursor_offset - draw_scroll;
+            ImRect cursor_screen_rect(cursor_screen_pos.x, cursor_screen_pos.y - g.FontSize + 0.5f, cursor_screen_pos.x + 1.0f, cursor_screen_pos.y - 1.5f);
+            if (cursor_is_visible && cursor_screen_rect.Overlaps(clip_rect))
+                draw_window->DrawList->AddLine(cursor_screen_rect.Min, cursor_screen_rect.GetBL(), GetColorU32(ImGuiCol_Text));
+
+            // Notify OS of text input position for advanced IME (-1 x offset so that Windows IME can cover our cursor. Bit of an extra nicety.)
+            if (!is_readonly)
+                g.PlatformImePos = ImVec2(cursor_screen_pos.x - 1.0f, cursor_screen_pos.y - g.FontSize);
+        }
+    }
+    else
+    {
+        // Render text only (no selection, no cursor)
+        if (is_multiline)
+            text_size = ImVec2(size.x, InputTextCalcTextLenAndLineCount(buf_display, &buf_display_end) * g.FontSize); // We don't need width
+        else if (!is_displaying_hint && g.ActiveId == id)
+            buf_display_end = buf_display + state->CurLenA;
+        else if (!is_displaying_hint)
+            buf_display_end = buf_display + strlen(buf_display);
+
+        if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
+        {
+            ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text);
+            draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
+        }
+    }
+
+    if (is_multiline)
+    {
+        Dummy(text_size + ImVec2(0.0f, g.FontSize)); // Always add room to scroll an extra line
+        EndChildFrame();
+        EndGroup();
+    }
+
+    if (is_password && !is_displaying_hint)
+        PopFont();
+
+    // Log as text
+    if (g.LogEnabled && !(is_password && !is_displaying_hint))
+        LogRenderedText(&draw_pos, buf_display, buf_display_end);
+
+    if (label_size.x > 0)
+        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label);
+
+    if (value_changed && !(flags & ImGuiInputTextFlags_NoMarkEdited))
+        MarkItemEdited(id);
+
+    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags);
+    if ((flags & ImGuiInputTextFlags_EnterReturnsTrue) != 0)
+        return enter_pressed;
+    else
+        return value_changed;
+}
+
+bool ImGui::ColoredInputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
+{
+    return ColoredInputTextEx(label, NULL, buf, (int)buf_size, size, flags | ImGuiInputTextFlags_Multiline, callback, user_data);
+}
+

overlay_experimental/steam_overlay.cpp

@@ -325,7 +325,7 @@ void Steam_Overlay::BuildFriendWindow(Friend const& frd, friend_window_state& st
         }
 
         ImGui::PushItemWidth(-1.0f);
-        ImGui::InputTextMultiline("##chat_history", &state.chat_history[0], state.chat_history.length(), { -1.0f, 0 }, ImGuiInputTextFlags_ReadOnly);
+        ImGui::ColoredInputTextMultiline("##chat_history", &state.chat_history[0], state.chat_history.length(), { -1.0f, 0 }, ImGuiInputTextFlags_ReadOnly);
         ImGui::PopItemWidth();
 
         if (ImGui::InputText("##chat_line", state.chat_input, max_chat_len, ImGuiInputTextFlags_EnterReturnsTrue))