small optimization in wxConfigPathChanger: don't change the path if it is already...

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

diff --git a/src/gtk/dcscreen.cpp b/src/gtk/dcscreen.cpp
index 9f5c0cacc65cd33cb987250ae0e60fa752f58d5e..1f46868b4e390ebbad55a88c5b309256600a1f94 100644 (file)
--- a/src/gtk/dcscreen.cpp
+++ b/src/gtk/dcscreen.cpp
@@ -2,19 +2,32 @@
 // Name:        dcscreen.cpp
 // Purpose:
 // Author:      Robert Roebling
-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "dcscreen.h"
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
 #include "wx/dcscreen.h"
 #include "wx/window.h"
-#include "gdk/gdkx.h"
+
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+
+//-----------------------------------------------------------------------------
+// global data initialization
+//-----------------------------------------------------------------------------
+
+GdkWindow *wxScreenDC::sm_overlayWindow  = (GdkWindow*) NULL;
+int wxScreenDC::sm_overlayWindowX = 0;
+int wxScreenDC::sm_overlayWindowY = 0;
 
 //-----------------------------------------------------------------------------
 // wxScreenDC
@@ -22,100 +35,82 @@
 
 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)
 
-wxScreenDC::wxScreenDC(void)
+wxScreenDC::wxScreenDC()
 {
-  m_ok = FALSE;
-  m_window = NULL;
-  m_cmap = gdk_colormap_get_system();
-  
-  m_window = GDK_ROOT_PARENT();
-  
-  SetUpDC();
-  
-  gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
-};
-
-wxScreenDC::~wxScreenDC(void)
+    m_ok = FALSE;
+    m_cmap = gdk_colormap_get_system();
+    m_window = GDK_ROOT_PARENT();
+
+#ifdef __WXGTK20__
+    m_context = gdk_pango_context_get();
+    m_layout = pango_layout_new( m_context );
+//    m_fontdesc = pango_font_description_copy( widget->style->font_desc );
+#endif
+
+    m_isScreenDC = TRUE;
+
+    SetUpDC();
+
+    gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
+    gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
+    gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
+    gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
+}
+
+wxScreenDC::~wxScreenDC()
 {
-  EndDrawingOnTop();
-};
+    gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
+    gdk_gc_set_subwindow( m_brushGC, GDK_CLIP_BY_CHILDREN );
+    gdk_gc_set_subwindow( m_textGC, GDK_CLIP_BY_CHILDREN );
+    gdk_gc_set_subwindow( m_bgGC, GDK_CLIP_BY_CHILDREN );
+
+    EndDrawingOnTop();
+}
+
+bool wxScreenDC::StartDrawingOnTop( wxWindow *window )
+{
+    if (!window) return StartDrawingOnTop();
+
+    int x = 0;
+    int y = 0;
+    window->GetPosition( &x, &y );
+    int w = 0;
+    int h = 0;
+    window->GetSize( &w, &h );
+    window->ClientToScreen( &x, &y );
 
-bool wxScreenDC::StartDrawingOnTop( wxWindow *WXUNUSED(window) )
+    wxRect rect;
+    rect.x = x;
+    rect.y = y;
+    rect.width = 0;
+    rect.height = 0;
+
+    return StartDrawingOnTop( &rect );
+}
+
+bool wxScreenDC::StartDrawingOnTop( wxRect *rect )
 {
-  return TRUE;
-/*
-  if (!window)
-  {
-    StartDrawingOnTop();
-    return;
-  };
-  wxRectangle rect;
-  rect.x = 0;
-  rect.y = 0;
-  window->GetPosition( &rect.x, &rect.y );
-  rect.width = 0;
-  rect.height = 0;
-  window->GetSize( &rect.width, &rect.height );
-  window->ClientToScreen( &rect.x, &rect.y );
-  StartDrawingOnTop( &rect );
-  return TRUE;
-*/
-};
-
-bool wxScreenDC::StartDrawingOnTop( wxRectangle *WXUNUSED(rect) )
+    int x = 0;
+    int y = 0;
+    int width = gdk_screen_width();
+    int height = gdk_screen_height();
+    if (rect)
+    {
+        x = rect->x;
+        y = rect->y;
+        width = rect->width;
+        height = rect->height;
+    }
+
+    return TRUE;
+}
+
+bool wxScreenDC::EndDrawingOnTop()
 {
-  return TRUE;
-/*
-  int x = 0;
-  int y = 0;
-  int width = gdk_screen_width();
-  int height = gdk_screen_height();
-  if (rect)
-  {
-    x = rect->x;
-    y = rect->y;
-    width = rect->width;
-    height = rect->height;
-  };
-  
-  GTK cannot set transparent backgrounds. :-(
-
-  GdkWindowAttr attr;
-  attr.x = x;
-  attr.y = y;
-  attr.width = width;
-  attr.height = height;
-  attr.override_redirect = TRUE;
-  attr.wclass = GDK_INPUT_OUTPUT;
-  attr.event_mask = 0;
-  attr.window_type = GDK_WINDOW_TEMP;
-  m_window = gdk_window_new( NULL, &attr, GDK_WA_NOREDIR | GDK_WA_X | GDK_WA_Y );
-  
-  gdk_window_show( m_window );
-
-  m_window = GDK_ROOT_PARENT();
-  
-  SetUpDC();
-  
-  gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
-  gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
-
-  return TRUE;
-*/
-};
-
-bool wxScreenDC::EndDrawingOnTop(void)
+    return TRUE;
+}
+
+void wxScreenDC::DoGetSize(int *width, int *height) const
 {
-  return TRUE;
-/*
-  if (m_window) gdk_window_destroy( m_window );
-  m_window = NULL;
-  m_isOk = FALSE;
-  return TRUE;
-*/
-};
+    wxDisplaySize(width, height);
+}