X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b4d06fb78de899e118d56ede472de2094a05cd43..3e822cd8d0bdf04cd2c7a3dddff61dcc211f7439:/src/gtk/glcanvas.cpp

diff --git a/src/gtk/glcanvas.cpp b/src/gtk/glcanvas.cpp
index 73c12ca203..7e2e6e7463 100644
--- a/src/gtk/glcanvas.cpp
+++ b/src/gtk/glcanvas.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        gtk/glcanvas.cpp
+// Name:        src/gtk/glcanvas.cpp
 // Purpose:     wxGLCanvas, for using OpenGL/Mesa with wxWidgets and GTK
 // Author:      Robert Roebling
 // Modified by:
@@ -9,15 +9,9 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "glcanvas.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#include "wx/setup.h"
-
 #if wxUSE_GLCANVAS
 
 #include "wx/glcanvas.h"
@@ -255,26 +249,6 @@ gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_e
 }
 }
 
-//-----------------------------------------------------------------------------
-// "draw" of m_wxwindow
-//-----------------------------------------------------------------------------
-
-#ifndef __WXGTK20__
-extern "C" {
-static void
-gtk_glwindow_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle *rect, wxGLCanvas *win )
-{
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    win->m_exposed = TRUE;
-
-    win->GetUpdateRegion().Union( rect->x, rect->y,
-                                  rect->width, rect->height );
-}
-}
-#endif
-
 //-----------------------------------------------------------------------------
 // "size_allocate" of m_wxwindow
 //-----------------------------------------------------------------------------
@@ -397,41 +371,62 @@ bool wxGLCanvas::Create( wxWindow *parent,
     m_vi = vi;  // save for later use
 
     wxCHECK_MSG( m_vi, FALSE, _T("required visual couldn't be found") );
-    GdkVisual *visual = gdkx_visual_get( vi->visualid );
-    GdkColormap *colormap = gdk_colormap_new( visual, TRUE );
+    GdkVisual *visual;
+    GdkColormap *colormap;
 
-    gtk_widget_push_colormap( colormap );
-    gtk_widget_push_visual( visual );
+    // MR: This needs a fix for lower gtk+ versions too. Might need to rethink logic (FIXME)
+#if defined(__WXGTK20__) && GTK_CHECK_VERSION(2,2,0)
+    if (!gtk_check_version(2,2,0))
+    {
+        wxWindow::Create( parent, id, pos, size, style, name );
 
-    wxWindow::Create( parent, id, pos, size, style, name );
+        m_glWidget = m_wxwindow;
 
-    m_glWidget = m_wxwindow;
+        GdkScreen *screen = gtk_widget_get_screen( m_glWidget );
+        colormap = gdk_screen_get_default_colormap(screen);
+        visual = gdk_colormap_get_visual(colormap);
 
-#ifdef __WXGTK20__
-    gtk_widget_set_double_buffered( m_glWidget, FALSE );
-#endif
-
-    gtk_pizza_set_clear( GTK_PIZZA(m_wxwindow), FALSE );
+        if (GDK_VISUAL_XVISUAL(visual)->visualid != vi->visualid)
+        {
+            visual = gdk_x11_screen_lookup_visual( screen, vi->visualid );
+            colormap = gdk_colormap_new(visual, FALSE);
+        }
 
-    gtk_signal_connect( GTK_OBJECT(m_wxwindow), "realize",
-                            GTK_SIGNAL_FUNC(gtk_glwindow_realized_callback), (gpointer) this );
+        gtk_widget_set_colormap( m_glWidget, colormap );
+    }
+    else
+#endif
+    {
+        visual = gdkx_visual_get( vi->visualid );
+        colormap = gdk_colormap_new( visual, TRUE );
 
-    gtk_signal_connect( GTK_OBJECT(m_wxwindow), "map",
-                            GTK_SIGNAL_FUNC(gtk_glwindow_map_callback), (gpointer) this );
+        gtk_widget_push_colormap( colormap );
 
-    gtk_signal_connect( GTK_OBJECT(m_wxwindow), "expose_event",
-        GTK_SIGNAL_FUNC(gtk_glwindow_expose_callback), (gpointer)this );
+        wxWindow::Create( parent, id, pos, size, style, name );
+        m_glWidget = m_wxwindow;
+    }
 
-#ifndef __WXGTK20__
-    gtk_signal_connect( GTK_OBJECT(m_wxwindow), "draw",
-        GTK_SIGNAL_FUNC(gtk_glwindow_draw_callback), (gpointer)this );
-#endif
+    gtk_widget_set_double_buffered( m_glWidget, FALSE );
 
-    gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
-        GTK_SIGNAL_FUNC(gtk_glcanvas_size_callback), (gpointer)this );
+    gtk_pizza_set_clear( GTK_PIZZA(m_wxwindow), FALSE );
 
-    gtk_widget_pop_visual();
-    gtk_widget_pop_colormap();
+    g_signal_connect (m_wxwindow, "realize",
+                      G_CALLBACK (gtk_glwindow_realized_callback),
+                      this);
+    g_signal_connect (m_wxwindow, "map",
+                      G_CALLBACK (gtk_glwindow_map_callback),
+                      this);
+    g_signal_connect (m_wxwindow, "expose_event",
+                      G_CALLBACK (gtk_glwindow_expose_callback),
+                      this);
+    g_signal_connect (m_widget, "size_allocate",
+                      G_CALLBACK (gtk_glcanvas_size_callback),
+                      this);
+
+    if (gtk_check_version(2,2,0) != NULL)
+    {
+        gtk_widget_pop_colormap();
+    }
 
     // if our parent window is already visible, we had been realized before we
     // connected to the "realize" signal and hence our m_glContext hasn't been