Added rc and def files for new samples

[wxWidgets.git] / src / gtk / app.cpp

diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp
index 349491360334d7cb067bb4d391e8e6dc431c238a..a6b21a616b7886bab13ce5a59fa8bfd6e9c4dd6d 100644 (file)
--- a/src/gtk/app.cpp
+++ b/src/gtk/app.cpp
@@ -140,9 +140,12 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) );
 
 bool wxYield()
 {
-    // it's necessary to call ProcessIdle() to update the frames sizes which
-    // might have been changed (it also will update other things set from
-    // OnUpdateUI() which is a nice (and desired) side effect)
+    /* it's necessary to call ProcessIdle() to update the frames sizes which
+       might have been changed (it also will update other things set from
+       OnUpdateUI() which is a nice (and desired) side effect) */
+    while (wxTheApp->ProcessIdle()) { }
+       
+#if 0
     for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
           node;
           node = node->GetNext() )
@@ -150,6 +153,7 @@ bool wxYield()
         wxWindow *win = node->GetData();
         win->OnInternalIdle();
     }
+#endif
 
     if (wxTheApp->m_idleTag)
     {
@@ -177,6 +181,13 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) )
 {
     if (!wxTheApp) return TRUE;
     
+#if (GTK_MINOR_VERSION > 0)
+    /* when getting called from GDK's idle handler we
+       are no longer within GDK's grab on the GUI
+       thread so we must lock it here ourselves */
+    GDK_THREADS_ENTER ();
+#endif
+    
     /* sent idle event to all who request them */
     while (wxTheApp->ProcessIdle()) { }
     
@@ -192,17 +203,18 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) )
        emptied */
     g_isIdle = TRUE;
     
-    /* wake up other threads */
-
-    wxMutexGuiLeave();
-    wxUsleep(0);
-    wxMutexGuiEnter();
+#if (GTK_MINOR_VERSION > 0)
+    /* release lock again */
+    GDK_THREADS_LEAVE ();
+#endif
 
     return TRUE;
 }
 
 void wxapp_install_idle_handler()
 {
+    wxASSERT_MSG( wxTheApp->m_idleTag == 0, "attempt to install idle handler twice" );
+
     /* this routine gets called by all event handlers
        indicating that the idle is over. */
 
@@ -211,6 +223,39 @@ void wxapp_install_idle_handler()
     g_isIdle = FALSE;
 }
 
+#if wxUSE_THREADS
+static gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
+{
+    gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag );
+    wxTheApp->m_wakeUpTimerTag = 0;
+    
+#if (GTK_MINOR_VERSION > 0)
+    /* when getting called from GDK's time-out handler 
+       we are no longer within GDK's grab on the GUI
+       thread so we must lock it here ourselves */
+    GDK_THREADS_ENTER ();
+#endif
+    
+    /* unblock other threads wishing to do some GUI things */
+    wxMutexGuiLeave();
+    
+    /* wake up other threads */
+    wxUsleep( 1 );
+    
+    /* block other thread again  */
+    wxMutexGuiEnter();
+    
+#if (GTK_MINOR_VERSION > 0)
+    /* release lock again */
+    GDK_THREADS_LEAVE ();
+#endif
+    
+    wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 10, wxapp_wakeup_timerout_callback, (gpointer) NULL );
+    
+    return TRUE;
+}
+#endif
+
 //-----------------------------------------------------------------------------
 // wxApp
 //-----------------------------------------------------------------------------
@@ -229,6 +274,10 @@ wxApp::wxApp()
     m_exitOnFrameDelete = TRUE;
 
     m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+    
+#if wxUSE_THREADS
+    m_wakeUpTimerTag = gtk_timeout_add( 10, wxapp_wakeup_timerout_callback, (gpointer) NULL );
+#endif
 
     m_colorCube = (unsigned char*) NULL;
 }
@@ -237,6 +286,10 @@ wxApp::~wxApp()
 {
     if (m_idleTag) gtk_idle_remove( m_idleTag );
 
+#if wxUSE_THREADS
+    if (m_wakeUpTimerTag) gtk_timeout_remove( m_wakeUpTimerTag );
+#endif
+    
     if (m_colorCube) free(m_colorCube);
 }
 
@@ -290,7 +343,7 @@ bool wxApp::OnInitGui()
                 int index = -1;
 
                 GdkColor *colors = cmap->colors;
-                if(colors)
+                if (colors)
                 {
                     int max = 3 * 65536;
 
@@ -306,7 +359,16 @@ bool wxApp::OnInitGui()
                         }
                     }
                 }
-
+               else
+               {
+                   /* assume 8-bit true or static colors. this really
+                      exists. */
+                   GdkVisual* vis = gdk_colormap_get_visual( cmap );
+                   index = (r >> (5 - vis->red_prec)) << vis->red_shift;
+                   index |= (g >> (5 - vis->green_prec)) << vis->green_shift;
+                   index |= (b >> (5 - vis->blue_prec)) << vis->blue_shift;
+               }
+               
                 m_colorCube[ (r*1024) + (g*32) + b ] = index;
             }
         }
@@ -637,29 +699,35 @@ int wxEntry( int argc, char *argv[] )
 
     if ( retValue == 0 )
     {
+        /* delete pending toplevel windows (typically a single
+          dialog) so that, if there isn't any left, we don't
+          call OnRun() */
+        wxTheApp->DeletePendingObjects();
+       
         wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0;
 
         if (wxTheApp->Initialized())
+       {
             retValue = wxTheApp->OnRun();
 
-        wxWindow *topWindow = wxTheApp->GetTopWindow();
-        if (topWindow)
-        {
-            // Forcibly delete the window.
-            if (topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
-                topWindow->IsKindOf(CLASSINFO(wxDialog)) )
+            wxWindow *topWindow = wxTheApp->GetTopWindow();
+            if (topWindow)
             {
-                topWindow->Close( TRUE );
-                wxTheApp->DeletePendingObjects();
-            }
-            else
-            {
-                delete topWindow;
-                wxTheApp->SetTopWindow( (wxWindow*) NULL );
-            }
+                /* Forcibly delete the window. */
+                if (topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+                    topWindow->IsKindOf(CLASSINFO(wxDialog)) )
+                {
+                    topWindow->Close( TRUE );
+                    wxTheApp->DeletePendingObjects();
+                }
+                else
+                {
+                    delete topWindow;
+                    wxTheApp->SetTopWindow( (wxWindow*) NULL );
+                }
+           }
+            wxTheApp->OnExit();
         }
-
-        wxTheApp->OnExit();
     }
 
     // flush the logged messages if any