Added offline help pages for windows Qt GUI.

src/CMakeLists.txt

@@ -460,6 +460,7 @@ set(SRC_DRIVERS_SDL
   ${CMAKE_CURRENT_SOURCE_DIR}/drivers/Qt/PaletteEditor.cpp  
   ${CMAKE_CURRENT_SOURCE_DIR}/drivers/Qt/ColorMenu.cpp  
   ${CMAKE_CURRENT_SOURCE_DIR}/drivers/Qt/GuiConf.cpp  
+  ${CMAKE_CURRENT_SOURCE_DIR}/drivers/Qt/HelpPages.cpp  
   ${CMAKE_CURRENT_SOURCE_DIR}/drivers/Qt/MoviePlay.cpp  
   ${CMAKE_CURRENT_SOURCE_DIR}/drivers/Qt/MovieRecord.cpp  
   ${CMAKE_CURRENT_SOURCE_DIR}/drivers/Qt/MovieOptions.cpp  

src/drivers/Qt/ConsoleWindow.cpp

@@ -68,6 +68,7 @@
 #include "Qt/HotKeyConf.h"
 #include "Qt/PaletteConf.h"
 #include "Qt/PaletteEditor.h"
+#include "Qt/HelpPages.h"
 #include "Qt/GuiConf.h"
 #include "Qt/AviRecord.h"
 #include "Qt/MoviePlay.h"
@@ -1888,13 +1889,23 @@ void consoleWin_t::createMainMenu(void)
 	
 	helpMenu->addAction(msgLogAct);
 
-	// Help -> Documentation
+	// Help -> Documentation Online
 	act = new QAction(tr("&Docs (Online)"), this);
 	act->setStatusTip(tr("Documentation"));
 	act->setIcon( style()->standardIcon( QStyle::SP_DialogHelpButton ) );
 	connect(act, SIGNAL(triggered()), this, SLOT(openOnlineDocs(void)) );
 	
 	helpMenu->addAction(act);
+
+#ifdef WIN32
+	// Help -> Documentation Offline
+	act = new QAction(tr("&Docs (Offline)"), this);
+	act->setStatusTip(tr("Documentation"));
+	act->setIcon( style()->standardIcon( QStyle::SP_DialogHelpButton ) );
+	connect(act, SIGNAL(triggered()), this, SLOT(openOfflineDocs(void)) );
+
+	helpMenu->addAction(act);
+#endif
 };
 //---------------------------------------------------------------------------
 int consoleWin_t::loadVideoDriver( int driverId )
@@ -3908,6 +3919,12 @@ void consoleWin_t::openOnlineDocs(void)
 	return;
 }
 
+void consoleWin_t::openOfflineDocs(void)
+{
+	OpenHelpWindow();
+	return;
+}
+
 #if defined(__linux__) || defined(__APPLE__) || defined(__unix__)
 int consoleWin_t::setNicePriority( int value )
 {

src/drivers/Qt/ConsoleWindow.h

@@ -312,6 +312,7 @@ class  consoleWin_t : public QMainWindow
 		void aboutFCEUX(void);
 		void aboutQt(void);
 		void openOnlineDocs(void);
+		void openOfflineDocs(void);
 		void openMsgLogWin(void);
 		void openInputConfWin(void);
 		void openGameSndConfWin(void);

src/drivers/Qt/HelpPages.cpp

@@ -0,0 +1,28 @@
+// HelpPages.cpp
+
+#include <string>
+
+#include "Qt/HelpPages.h"
+
+#ifdef WIN32
+#include <htmlhelp.h>
+
+void OpenHelpWindow(std::string subpage)
+{
+	std::string helpFileName = BaseDirectory;
+	helpFileName += "\\fceux.chm";
+	if (subpage.length() > 0)
+	{
+		helpFileName = helpFileName + "::/" + subpage + ".htm";
+	}
+	HtmlHelp(GetDesktopWindow(), helpFileName.c_str(), HH_DISPLAY_TOPIC, (DWORD)NULL);
+}
+
+#else
+
+void OpenHelpWindow(std::string subpage)
+{
+	printf("Local CHM Help File Reference is only supported on Windows OS\n");
+}
+
+#endif

src/drivers/Qt/HelpPages.h

@@ -0,0 +1,3 @@
+// HelpPages.h
+
+void OpenHelpWindow(std::string subpage = "");