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[wxWidgets.git] / src / gtk1 / glcanvas.cpp

diff --git a/src/gtk1/glcanvas.cpp b/src/gtk1/glcanvas.cpp
index 73c12ca203bc6c9cd391859808ce6f150f702b7b..5d4bcc5c823c944fe52170facda4dcf0e5f32882 100644 (file)
--- a/src/gtk1/glcanvas.cpp
+++ b/src/gtk1/glcanvas.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        gtk/glcanvas.cpp
+// Name:        src/gtk1/glcanvas.cpp
 // Purpose:     wxGLCanvas, for using OpenGL/Mesa with wxWidgets and GTK
 // Author:      Robert Roebling
 // Modified by:
@@ -9,23 +9,20 @@
 // 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"
 
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+#endif // WX_PRECOMP
+
 #include "wx/frame.h"
 #include "wx/colour.h"
 #include "wx/module.h"
-#include "wx/app.h"
 
 extern "C"
 {
@@ -34,7 +31,7 @@ extern "C"
 #include "gdk/gdkx.h"
 }
 
-#include "wx/gtk/win_gtk.h"
+#include "wx/gtk1/win_gtk.h"
 
 // DLL options compatibility check:
 #include "wx/build.h"
@@ -227,7 +224,7 @@ gtk_glwindow_map_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win )
         event.SetEventObject( win );
         win->GetEventHandler()->ProcessEvent( event );
 
-        win->m_exposed = FALSE;
+        win->m_exposed = false;
         win->GetUpdateRegion().Clear();
     }
 
@@ -246,7 +243,7 @@ gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_e
     if (g_isIdle)
         wxapp_install_idle_handler();
 
-    win->m_exposed = TRUE;
+    win->m_exposed = true;
 
     win->GetUpdateRegion().Union( gdk_event->area.x,
                                   gdk_event->area.y,
@@ -259,7 +256,6 @@ 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 )
@@ -267,13 +263,12 @@ gtk_glwindow_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle *rect, wxG
     if (g_isIdle)
         wxapp_install_idle_handler();
 
-    win->m_exposed = TRUE;
+    win->m_exposed = true;
 
     win->GetUpdateRegion().Union( rect->x, rect->y,
                                   rect->width, rect->height );
 }
 }
-#endif
 
 //-----------------------------------------------------------------------------
 // "size_allocate" of m_wxwindow
@@ -349,9 +344,9 @@ bool wxGLCanvas::Create( wxWindow *parent,
     m_sharedContextOf = (wxGLCanvas*)shared_context_of;  // const_cast
     m_glContext = (wxGLContext*) NULL;
 
-    m_exposed = FALSE;
-    m_noExpose = TRUE;
-    m_nativeSizeEvent = TRUE;
+    m_exposed = false;
+    m_noExpose = true;
+    m_nativeSizeEvent = true;
     m_fbc = NULL;
     m_vi = NULL;
 
@@ -365,22 +360,22 @@ bool wxGLCanvas::Create( wxWindow *parent,
         if (wxTheApp->m_glFBCInfo != NULL)
         {
             fbc = (GLXFBConfig *) wxTheApp->m_glFBCInfo;
-            m_canFreeFBC = FALSE; // owned by wxTheApp - don't free upon destruction
+            m_canFreeFBC = false; // owned by wxTheApp - don't free upon destruction
         }
         else
         {
             fbc = (GLXFBConfig *) wxGLCanvas::ChooseGLFBC(attribList);
-            m_canFreeFBC = TRUE;
+            m_canFreeFBC = true;
         }
         m_fbc = fbc;  // save for later use
-        wxCHECK_MSG( m_fbc, FALSE, _T("required FBConfig couldn't be found") );
+        wxCHECK_MSG( m_fbc, false, _T("required FBConfig couldn't be found") );
     }
 
     XVisualInfo *vi = NULL;
     if (wxTheApp->m_glVisualInfo != NULL)
     {
         vi = (XVisualInfo *)wxTheApp->m_glVisualInfo;
-        m_canFreeVi = FALSE; // owned by wxTheApp - don't free upon destruction
+        m_canFreeVi = false; // owned by wxTheApp - don't free upon destruction
     }
     else
     {
@@ -391,25 +386,47 @@ bool wxGLCanvas::Create( wxWindow *parent,
             // GLX <= 1.2
             vi = (XVisualInfo *) ChooseGLVisual(attribList);
 
-        m_canFreeVi = TRUE;
+        m_canFreeVi = true;
     }
 
     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 );
+    wxCHECK_MSG( m_vi, false, _T("required visual couldn't be found") );
+    GdkVisual *visual;
+    GdkColormap *colormap;
+
+    // MR: This needs a fix for lower gtk+ versions too. Might need to rethink logic (FIXME)
+#if 0
+    if (!gtk_check_version(2,2,0))
+    {
+        wxWindow::Create( parent, id, pos, size, style, name );
 
-    gtk_widget_push_colormap( colormap );
-    gtk_widget_push_visual( visual );
+        m_glWidget = m_wxwindow;
 
-    wxWindow::Create( parent, id, pos, size, style, name );
+        GdkScreen *screen = gtk_widget_get_screen( m_glWidget );
+        colormap = gdk_screen_get_default_colormap(screen);
+        visual = gdk_colormap_get_visual(colormap);
 
-    m_glWidget = m_wxwindow;
+        if (GDK_VISUAL_XVISUAL(visual)->visualid != vi->visualid)
+        {
+            visual = gdk_x11_screen_lookup_visual( screen, vi->visualid );
+            colormap = gdk_colormap_new(visual, FALSE);
+        }
 
-#ifdef __WXGTK20__
-    gtk_widget_set_double_buffered( m_glWidget, FALSE );
+        gtk_widget_set_colormap( m_glWidget, colormap );
+    }
+    else
 #endif
+    {
+        visual = gdkx_visual_get( vi->visualid );
+        colormap = gdk_colormap_new( visual, TRUE );
+
+        gtk_widget_push_colormap( colormap );
+        gtk_widget_push_visual( visual );
+
+        wxWindow::Create( parent, id, pos, size, style, name );
+        m_glWidget = m_wxwindow;
+    }
 
     gtk_pizza_set_clear( GTK_PIZZA(m_wxwindow), FALSE );
 
@@ -422,10 +439,8 @@ bool wxGLCanvas::Create( wxWindow *parent,
     gtk_signal_connect( GTK_OBJECT(m_wxwindow), "expose_event",
         GTK_SIGNAL_FUNC(gtk_glwindow_expose_callback), (gpointer)this );
 
-#ifndef __WXGTK20__
     gtk_signal_connect( GTK_OBJECT(m_wxwindow), "draw",
         GTK_SIGNAL_FUNC(gtk_glwindow_draw_callback), (gpointer)this );
-#endif
 
     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
         GTK_SIGNAL_FUNC(gtk_glcanvas_size_callback), (gpointer)this );
@@ -442,7 +457,7 @@ bool wxGLCanvas::Create( wxWindow *parent,
     if (GTK_WIDGET_MAPPED(m_wxwindow))
         gtk_glwindow_map_callback( m_wxwindow, this );
 
-    return TRUE;
+    return true;
 }
 
 wxGLCanvas::~wxGLCanvas()
@@ -640,7 +655,7 @@ void wxGLCanvas::OnInternalIdle()
         event.SetEventObject( this );
         GetEventHandler()->ProcessEvent( event );
 
-        m_exposed = FALSE;
+        m_exposed = false;
         GetUpdateRegion().Clear();
     }