Modified Qt GUI to make Qt Help module an optional dependency.

src/CMakeLists.txt

@@ -12,12 +12,17 @@ else()
 	set( Qt Qt5 )
 endif()
 
+if ( ${QHELP} )
+	set(QtHelpModule Help)
+	add_definitions( -D_USE_QHELP )
+endif()
+
 if ( ${QT6} )
-	find_package( Qt6 COMPONENTS Widgets Help OpenGL OpenGLWidgets REQUIRED)
+	find_package( Qt6 REQUIRED COMPONENTS Widgets OpenGL OpenGLWidgets ${QtHelpModule})
   	add_definitions( ${Qt6Widgets_DEFINITIONS} ${Qt6Help_DEFINITIONS} ${Qt6OpenGLWidgets_DEFINITIONS} )
   	include_directories( ${Qt6Widgets_INCLUDE_DIRS} ${Qt6Help_INCLUDE_DIRS} ${Qt6OpenGLWidgets_INCLUDE_DIRS} )
 else()
-	find_package( Qt5 COMPONENTS Widgets OpenGL Help REQUIRED)
+	find_package( Qt5 REQUIRED COMPONENTS Widgets OpenGL ${QtHelpModule})
 	add_definitions( ${Qt5Widgets_DEFINITIONS} ${Qt5Help_DEFINITIONS} )
 	include_directories( ${Qt5Widgets_INCLUDE_DIRS} ${Qt5Help_INCLUDE_DIRS} )
 endif()

src/drivers/Qt/ConsoleWindow.cpp

@@ -1862,6 +1862,7 @@ void consoleWin_t::createMainMenu(void)
 	
 	subMenu->addAction(act);
 
+#if  defined(WIN32) || defined(_USE_QHELP)
 	// Help -> Documentation Offline
 	act = new QAction(tr("&Local"), this);
 	act->setStatusTip(tr("Documentation"));
@@ -1869,6 +1870,7 @@ void consoleWin_t::createMainMenu(void)
 	connect(act, SIGNAL(triggered()), this, SLOT(openOfflineDocs(void)) );
 
 	subMenu->addAction(act);
+#endif
 };
 //---------------------------------------------------------------------------
 int consoleWin_t::loadVideoDriver( int driverId )

src/drivers/Qt/HelpPages.cpp

@@ -28,9 +28,12 @@
 #include <QMenu>
 #include <QAction>
 #include <QSettings>
+
+#ifdef _USE_QHELP
 #include <QHelpEngine>
 #include <QHelpIndexModel>
 #include <QHelpContentWidget>
+#endif
 
 #include "driver.h"
 #include "Qt/HelpPages.h"
@@ -111,9 +114,11 @@ void consoleWin_t::OpenHelpWindow(std::string subpage)
 	}
 	//helpWin = forkHelpFileViewer( helpFileViewer.c_str(), helpFileName.c_str() );
 
+	#ifdef _USE_QHELP
 	HelpDialog *win = new HelpDialog( helpFileName.c_str(), this);
 
 	win->show();
+	#endif
 
 #endif
 }
@@ -230,6 +235,7 @@ std::string consoleWin_t::findHelpFile(void)
 //}
 //#endif
 
+#ifdef _USE_QHELP
 //-----------------------------------------------------------------------------------------------
 //---  Help Page Dialog
 //-----------------------------------------------------------------------------------------------
@@ -392,3 +398,4 @@ QVariant HelpBrowser::loadResource(int type, const QUrl &name)
         return QTextBrowser::loadResource(type, name);
 }
 //-----------------------------------------------------------------------------------------------
+#endif // _USE_QHELP

src/drivers/Qt/HelpPages.h

@@ -5,8 +5,10 @@
 #include <QAction>
 #include <QSplitter>
 #include <QTabWidget>
-#include <QTextBrowser>
 #include <QCloseEvent>
+
+#ifdef _USE_QHELP
+#include <QTextBrowser>
 #include <QHelpEngine>
 
 class HelpBrowser : public QTextBrowser
@@ -41,3 +43,5 @@ class HelpDialog : public QDialog
 		void navBackwardAvailable(bool);
 		void navForwardAvailable(bool);
 };
+
+#endif