From 507e0bc1e682dddfaf929fe37b80be35f8396ede Mon Sep 17 00:00:00 2001
From: Akash Mozumdar <akashmozumdar@gmail.com>
Date: Fri, 21 Dec 2018 15:11:12 -0500
Subject: [PATCH] add extra window to view text

---
 extensions/CMakeLists.txt  |  2 ++
 extensions/extrawindow.cpp | 66 ++++++++++++++++++++++++++++++++++++++
 extensions/regexfilter.cpp |  4 +--
 include/text.h             |  1 +
 4 files changed, 71 insertions(+), 2 deletions(-)
 create mode 100644 extensions/extrawindow.cpp

diff --git a/extensions/CMakeLists.txt b/extensions/CMakeLists.txt
index 440cd72..aacfaa8 100644
--- a/extensions/CMakeLists.txt
+++ b/extensions/CMakeLists.txt
@@ -7,10 +7,12 @@ cmake_policy(SET CMP0037 OLD)
 add_library(Bing\ Translate SHARED bingtranslate.cpp extensionimpl.cpp)
 add_library(Copy\ to\ Clipboard SHARED copyclipboard.cpp extensionimpl.cpp)
 add_library(Extra\ Newlines SHARED extranewlines.cpp extensionimpl.cpp)
+add_library(Extra\ Window SHARED extrawindow.cpp extensionimpl.cpp)
 add_library(Google\ Translate SHARED googletranslate.cpp extensionimpl.cpp)
 add_library(Regex\ Filter SHARED regexfilter.cpp extensionimpl.cpp)
 add_library(Remove\ Repetition SHARED removerepeat.cpp extensionimpl.cpp)
 
 target_link_libraries(Bing\ Translate winhttp Qt5::Widgets)
+target_link_libraries(Extra\ Window Qt5::Widgets)
 target_link_libraries(Google\ Translate winhttp Qt5::Widgets)
 target_link_libraries(Regex\ Filter Qt5::Widgets)
diff --git a/extensions/extrawindow.cpp b/extensions/extrawindow.cpp
new file mode 100644
index 0000000..3090884
--- /dev/null
+++ b/extensions/extrawindow.cpp
@@ -0,0 +1,66 @@
+#include "extension.h"
+#include "text.h"
+#include <QMainWindow>
+#include <QLayout>
+#include <QLabel>
+#include <QCheckBox>
+#include <QTimer>
+
+std::mutex m;
+
+struct : QMainWindow 
+{
+	QLabel* display;
+	void launch()
+	{
+		auto centralWidget = new QWidget(this);
+		auto layout = new QVBoxLayout(centralWidget);
+		auto options = new QHBoxLayout(centralWidget);
+		layout->addItem(options);
+		layout->addWidget(display = new QLabel(centralWidget));
+		auto onTop = new QCheckBox(ALWAYS_ON_TOP, this);
+		options->addWidget(onTop);
+		connect(onTop, &QCheckBox::stateChanged, [this](int state) 
+		{ 
+			SetWindowPos((HWND)winId(), state == Qt::Checked ? HWND_TOPMOST : HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); 
+		});
+		resize(800, 600);
+		setCentralWidget(centralWidget);
+		show();
+	}
+}*window = nullptr;
+
+BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
+{
+	switch (ul_reason_for_call)
+	{
+	case DLL_PROCESS_ATTACH:
+	{
+		QTimer::singleShot(0, [] 
+		{ 
+			std::lock_guard l(m); 
+			(window = new std::remove_pointer_t<decltype(window)>)->launch(); 
+		});
+	}
+	break;
+	case DLL_PROCESS_DETACH:
+	{
+		if (lpReserved == NULL) // https://blogs.msdn.microsoft.com/oldnewthing/20120105-00/?p=8683
+		{
+			std::lock_guard l(m);
+			delete window;
+			window = nullptr;
+		}
+	}
+	break;
+	}
+	return TRUE;
+}
+
+bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
+{
+	std::lock_guard l(m);
+	if (window == nullptr || !sentenceInfo["current select"]) return false;
+	window->display->setText(QString::fromStdWString(sentence));
+	return false;
+}
diff --git a/extensions/regexfilter.cpp b/extensions/regexfilter.cpp
index 370bf6e..f4d2734 100644
--- a/extensions/regexfilter.cpp
+++ b/extensions/regexfilter.cpp
@@ -11,7 +11,7 @@ std::mutex m;
 
 struct : QMainWindow 
 {
-	void Initialize()
+	void launch()
 	{
 		auto centralWidget = new QWidget(this);
 		auto layout = new QVBoxLayout(centralWidget);
@@ -43,7 +43,7 @@ BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved
 		QTimer::singleShot(0, [] 
 		{ 
 			std::lock_guard l(m); 
-			(window = new std::remove_pointer_t<decltype(window)>)->Initialize(); 
+			(window = new std::remove_pointer_t<decltype(window)>)->launch(); 
 		});
 	}
 	break;
diff --git a/include/text.h b/include/text.h
index b064e31..af7b2be 100644
--- a/include/text.h
+++ b/include/text.h
@@ -58,6 +58,7 @@ constexpr auto BING_PROMPT = u8"What language should Bing translate to?";
 constexpr auto GOOGLE_PROMPT = u8"What language should Google translate to?";
 constexpr auto TOO_MANY_TRANS_REQUESTS = L"\r\nToo many translation requests: refuse to make more";
 constexpr auto TRANSLATION_ERROR = L"Error while translating";
+constexpr auto ALWAYS_ON_TOP = u8"Keep this window on top";
 constexpr auto REGEX_FILTER = u8"Regex Filter";
 constexpr auto INVALID_REGEX = u8"Invalid regex";
 constexpr auto CURRENT_FILTER = u8"Currently filtering: ";