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Fixed refresh bug in wxGLCanvas

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1691 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1999-02-14 13:04:39 +00:00
parent aed0ed3c42
commit 20239453d5
3 changed files with 60 additions and 8 deletions
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52
utils/glcanvas/gtk/glcanvas.cpp
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@@ -108,6 +108,52 @@ wxPalette wxGLContext::CreateDefaultPalette()
return wxNullPalette;
}
//-----------------------------------------------------------------------------
// "expose_event" of m_glWidget
//-----------------------------------------------------------------------------
static void gtk_window_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxWindow *win )
{
if (!win->HasVMT()) return;
win->m_updateRegion.Union( gdk_event->area.x,
gdk_event->area.y,
gdk_event->area.width,
gdk_event->area.height );
if (gdk_event->count > 0) return;
/*
printf( "OnExpose from " );
if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
printf( win->GetClassInfo()->GetClassName() );
printf( ".\n" );
*/
wxPaintEvent event( win->GetId() );
event.SetEventObject( win );
win->GetEventHandler()->ProcessEvent( event );
win->m_updateRegion.Clear();
}
//-----------------------------------------------------------------------------
// "draw" of m_glWidget
//-----------------------------------------------------------------------------
static void gtk_window_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle *rect, wxWindow *win )
{
if (!win->HasVMT()) return;
win->m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
wxPaintEvent event( win->GetId() );
event.SetEventObject( win );
win->GetEventHandler()->ProcessEvent( event );
win->m_updateRegion.Clear();
}
//---------------------------------------------------------------------------
// wxGlCanvas
//---------------------------------------------------------------------------
@@ -175,6 +221,12 @@ bool wxGLCanvas::Create( wxWindow *parent, wxWindowID id,
gtk_myfixed_put( GTK_MYFIXED(m_wxwindow), m_glWidget, 0, 0 );
gtk_signal_connect( GTK_OBJECT(m_glWidget), "expose_event",
GTK_SIGNAL_FUNC(gtk_window_expose_callback), (gpointer)this );
gtk_signal_connect( GTK_OBJECT(m_glWidget), "draw",
GTK_SIGNAL_FUNC(gtk_window_draw_callback), (gpointer)this );
gtk_widget_show( m_glWidget );
m_glContext = new wxGLContext( TRUE, this, palette );