trying to resolve GSocketManager API mess: the meaning of Install/Uninstall_Callback...

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

diff --git a/src/gtk/glcanvas.cpp b/src/gtk/glcanvas.cpp
index ad811ae0a6ce3a79e7bf2bf91a5c6ecfb69491d3..c8b805cc007fcb2a079fbf427402d2adb0ab26f3 100644 (file)
--- a/src/gtk/glcanvas.cpp
+++ b/src/gtk/glcanvas.cpp
@@ -26,8 +26,6 @@
 #include <gtk/gtk.h>
 #include <gdk/gdkx.h>
 
-#include "wx/gtk/win_gtk.h"
-
 #if WXWIN_COMPATIBILITY_2_8
 
 //-----------------------------------------------------------------------------
@@ -35,12 +33,10 @@
 //-----------------------------------------------------------------------------
 
 extern "C" {
-static gint
+static void
 gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win )
 {
     win->GTKInitImplicitContext();
-
-    return FALSE;
 }
 }
 
@@ -51,17 +47,15 @@ gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win )
 //-----------------------------------------------------------------------------
 
 extern "C" {
-static gint
+static void
 gtk_glwindow_map_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win )
 {
     wxPaintEvent event( win->GetId() );
     event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+    win->HandleWindowEvent( event );
 
     win->m_exposed = false;
     win->GetUpdateRegion().Clear();
-
-    return FALSE;
 }
 }
 
@@ -98,7 +92,35 @@ gtk_glcanvas_size_callback(GtkWidget *WXUNUSED(widget),
 
     wxSizeEvent event( wxSize(win->m_width,win->m_height), win->GetId() );
     event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+    win->HandleWindowEvent( event );
+}
+}
+
+//-----------------------------------------------------------------------------
+// emission hook for "parent-set"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gboolean
+parent_set_hook(GSignalInvocationHint*, guint, const GValue* param_values, void* data)
+{
+    wxGLCanvas* win = (wxGLCanvas*)data;
+    if (g_value_peek_pointer(&param_values[0]) == win->m_wxwindow)
+    {
+        const XVisualInfo* xvi = win->GetXVisualInfo();
+        GdkVisual* visual = gtk_widget_get_visual(win->m_wxwindow);
+        if (GDK_VISUAL_XVISUAL(visual)->visualid != xvi->visualid)
+        {
+            GdkScreen* screen = gtk_widget_get_screen(win->m_wxwindow);
+            visual = gdk_x11_screen_lookup_visual(screen, xvi->visualid);
+            GdkColormap* colormap = gdk_colormap_new(visual, false);
+            gtk_widget_set_colormap(win->m_wxwindow, colormap);
+            g_object_unref(colormap);
+        }
+        // remove hook
+        return false;
+    }
+    return true;
 }
 }
 
@@ -135,6 +157,9 @@ wxGLCanvas::wxGLCanvas(wxWindow *parent,
                        const wxPalette& palette)
     : m_createImplicitContext(true)
 {
+    m_sharedContext = NULL;
+    m_sharedContextOf = NULL;
+
     Create(parent, id, pos, size, style, name, attribList, palette);
 }
 
@@ -149,7 +174,7 @@ wxGLCanvas::wxGLCanvas(wxWindow *parent,
                        const wxPalette& palette)
     : m_createImplicitContext(true)
 {
-    m_sharedContext = wx_const_cast(wxGLContext *, shared);
+    m_sharedContext = const_cast<wxGLContext *>(shared);
 
     Create(parent, id, pos, size, style, name, attribList, palette);
 }
@@ -163,7 +188,8 @@ wxGLCanvas::wxGLCanvas(wxWindow *parent,
                        const wxPalette& palette )
     : m_createImplicitContext(true)
 {
-    m_sharedContextOf = wx_const_cast(wxGLCanvas *, shared);
+    m_sharedContext = NULL;
+    m_sharedContextOf = const_cast<wxGLCanvas *>(shared);
 
     Create(parent, id, pos, size, style, name, attribList, palette);
 }
@@ -188,44 +214,15 @@ bool wxGLCanvas::Create(wxWindow *parent,
     if ( !InitVisual(attribList) )
         return false;
 
-    XVisualInfo * const xvi = GetXVisualInfo();
-
-    GdkVisual *visual;
-    GdkColormap *colormap;
-
-    // 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 );
-
-        m_glWidget = m_wxwindow;
+    // watch for the "parent-set" signal on m_wxwindow so we can set colormap
+    // before m_wxwindow is realized (which will occur before
+    // wxWindow::Create() returns if parent is already visible)
+    unsigned sig_id = g_signal_lookup("parent-set", GTK_TYPE_WIDGET);
+    g_signal_add_emission_hook(sig_id, 0, parent_set_hook, this, NULL);
 
-        GdkScreen *screen = gtk_widget_get_screen( m_glWidget );
-        colormap = gdk_screen_get_default_colormap(screen);
-        visual = gdk_colormap_get_visual(colormap);
+    wxWindow::Create( parent, id, pos, size, style, name );
 
-        if (GDK_VISUAL_XVISUAL(visual)->visualid != xvi->visualid)
-        {
-            visual = gdk_x11_screen_lookup_visual( screen, xvi->visualid );
-            colormap = gdk_colormap_new(visual, FALSE);
-        }
-
-        gtk_widget_set_colormap( m_glWidget, colormap );
-    }
-    else
-#endif // GTK+ >= 2.2
-    {
-        visual = gdkx_visual_get( xvi->visualid );
-        colormap = gdk_colormap_new( visual, TRUE );
-
-        gtk_widget_push_colormap( colormap );
-
-        wxWindow::Create( parent, id, pos, size, style, name );
-        m_glWidget = m_wxwindow;
-    }
-
-    gtk_widget_set_double_buffered( m_glWidget, FALSE );
+    gtk_widget_set_double_buffered(m_wxwindow, false);
 
 #if WXWIN_COMPATIBILITY_2_8
     g_signal_connect(m_wxwindow, "realize",       G_CALLBACK(gtk_glwindow_realized_callback), this);
@@ -234,11 +231,6 @@ bool wxGLCanvas::Create(wxWindow *parent,
     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 WXWIN_COMPATIBILITY_2_8
     // 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
@@ -255,7 +247,7 @@ bool wxGLCanvas::Create(wxWindow *parent,
 
 Window wxGLCanvas::GetXWindow() const
 {
-    GdkWindow *window = GTK_PIZZA(m_wxwindow)->bin_window;
+    GdkWindow *window = m_wxwindow->window;
     return window ? GDK_WINDOW_XWINDOW(window) : 0;
 }
 
@@ -265,7 +257,7 @@ void wxGLCanvas::OnInternalIdle()
     {
         wxPaintEvent event( GetId() );
         event.SetEventObject( this );
-        GetEventHandler()->ProcessEvent( event );
+        HandleWindowEvent( event );
 
         m_exposed = false;
         GetUpdateRegion().Clear();