X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/863136dea65adc3103b7c94272d0ed6e12346de0..c543817b3280c560d53307c0fa98e7a99aa00bf9:/src/gtk/app.cpp

diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp
index e58a9c8e97..86822b5abd 100644
--- a/src/gtk/app.cpp
+++ b/src/gtk/app.cpp
@@ -35,6 +35,10 @@
 #include "wx/module.h"
 #include "wx/image.h"
 
+#ifdef __WXGPE__
+#include <gpe/init.h>
+#endif
+
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/theme.h"
     #include "wx/univ/renderer.h"
@@ -160,20 +164,31 @@ bool wxApp::Yield(bool onlyIfNeeded)
 // wxWakeUpIdle
 //-----------------------------------------------------------------------------
 
+// RR/KH: The wxMutexGui calls are not needed on GTK2 according to
+// the GTK faq, http://www.gtk.org/faq/#AEN500
+// The calls to gdk_threads_enter() and leave() are specifically noted
+// as not being necessary.  The MutexGui calls are still left in for GTK1.
+// Eliminating the MutexGui calls fixes the long-standing "random" lockup
+// when using wxPostEvent (which calls WakeUpIdle) from a thread.
+
 void wxApp::WakeUpIdle()
 {
+#ifndef __WXGTK20__
 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiEnter();
-#endif
+#endif // wxUSE_THREADS_
+#endif // __WXGTK2__
 
     if (g_isIdle)
         wxapp_install_idle_handler();
 
+#ifndef __WXGTK20__
 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiLeave();
-#endif
+#endif // wxUSE_THREADS_
+#endif // __WXGTK2__
 }
 
 //-----------------------------------------------------------------------------
@@ -399,7 +414,6 @@ END_EVENT_TABLE()
 
 wxApp::wxApp()
 {
-    m_initialized = FALSE;
 #ifdef __WXDEBUG__
     m_isInAssert = FALSE;
 #endif // __WXDEBUG__
@@ -538,49 +552,17 @@ GdkVisual *wxApp::GetGdkVisual()
     return visual;
 }
 
-int wxApp::MainLoop()
-{
-    gtk_main();
-    return 0;
-}
-
-void wxApp::Exit()
-{
-    // VZ: no idea why is it different from ExitMainLoop() but this is what
-    //     wxExit() used to do
-    gtk_main_quit();
-}
-
-void wxApp::ExitMainLoop()
-{
-    if (gtk_main_level() > 0)
-        gtk_main_quit();
-}
-
-bool wxApp::Initialized()
-{
-    return m_initialized;
-}
-
-bool wxApp::Pending()
-{
-    return (gtk_events_pending() > 0);
-}
-
-void wxApp::Dispatch()
-{
-    gtk_main_iteration();
-}
-
 bool wxApp::Initialize(int& argc, wxChar **argv)
 {
+    bool init_result;
+    
 #if wxUSE_THREADS
     // GTK 1.2 up to version 1.2.3 has broken threads
     if ((gtk_major_version == 1) &&
         (gtk_minor_version == 2) &&
         (gtk_micro_version < 4))
     {
-        printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" );
+        printf( "wxWidgets warning: GUI threading disabled due to outdated GTK version\n" );
     }
     else
     {
@@ -617,7 +599,13 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     argvGTK[argc] = NULL;
 
     int argcGTK = argc;
-    gtk_init( &argcGTK, &argvGTK );
+    
+#ifdef __WXGPE__
+    init_result = true;  // is there a _check() version of this?
+    gpe_application_init( &argcGTK, &argvGTK );
+#else
+    init_result = gtk_init_check( &argcGTK, &argvGTK );
+#endif
 
     if ( argcGTK != argc )
     {
@@ -644,9 +632,14 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
 #else // !wxUSE_UNICODE
     // gtk_init() shouldn't actually change argv itself (just its contents) so
     // it's ok to pass pointer to it
-    gtk_init( &argc, &argv );
+    init_result = gtk_init_check( &argc, &argv );
 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
+    if (!init_result) {
+        wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+        return false;
+    }
+    
     // we can not enter threads before gtk_init is done
     gdk_threads_enter();
 
@@ -663,8 +656,6 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
 #endif
 
-    wxGetRootWindow();
-
     return true;
 }