src/gtk/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcscreen.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "dcscreen.h"
  13 #endif
  14
  15 #include "wx/dcscreen.h"
  16 #include "wx/window.h"
  17 #include "gdk/gdkx.h"
  18
  19 //-----------------------------------------------------------------------------
  20 // wxScreenDC
  21 //-----------------------------------------------------------------------------
  22
  23 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)
  24
  25 wxScreenDC::wxScreenDC(void)
  26 {
  27   m_ok = FALSE;
  28   m_window = NULL;
  29   m_cmap = gdk_colormap_get_system();
  30
  31   m_window = GDK_ROOT_PARENT();
  32
  33   SetUpDC();
  34
  35   gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
  36   gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
  37   gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
  38   gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
  39 };
  40
  41 wxScreenDC::~wxScreenDC(void)
  42 {
  43   EndDrawingOnTop();
  44 };
  45
  46 bool wxScreenDC::StartDrawingOnTop( wxWindow *WXUNUSED(window) )
  47 {
  48   return TRUE;
  49 /*
  50   if (!window)
  51   {
  52     StartDrawingOnTop();
  53     return;
  54   };
  55   wxRectangle rect;
  56   rect.x = 0;
  57   rect.y = 0;
  58   window->GetPosition( &rect.x, &rect.y );
  59   rect.width = 0;
  60   rect.height = 0;
  61   window->GetSize( &rect.width, &rect.height );
  62   window->ClientToScreen( &rect.x, &rect.y );
  63   StartDrawingOnTop( &rect );
  64   return TRUE;
  65 */
  66 };
  67
  68 bool wxScreenDC::StartDrawingOnTop( wxRectangle *WXUNUSED(rect) )
  69 {
  70   return TRUE;
  71 /*
  72   int x = 0;
  73   int y = 0;
  74   int width = gdk_screen_width();
  75   int height = gdk_screen_height();
  76   if (rect)
  77   {
  78     x = rect->x;
  79     y = rect->y;
  80     width = rect->width;
  81     height = rect->height;
  82   };
  83
  84   GTK cannot set transparent backgrounds. :-(
  85
  86   GdkWindowAttr attr;
  87   attr.x = x;
  88   attr.y = y;
  89   attr.width = width;
  90   attr.height = height;
  91   attr.override_redirect = TRUE;
  92   attr.wclass = GDK_INPUT_OUTPUT;
  93   attr.event_mask = 0;
  94   attr.window_type = GDK_WINDOW_TEMP;
  95   m_window = gdk_window_new( NULL, &attr, GDK_WA_NOREDIR | GDK_WA_X | GDK_WA_Y );
  96
  97   gdk_window_show( m_window );
  98
  99   m_window = GDK_ROOT_PARENT();
 100
 101   SetUpDC();
 102
 103   gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
 104   gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
 105   gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
 106   gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
 107
 108   return TRUE;
 109 */
 110 };
 111
 112 bool wxScreenDC::EndDrawingOnTop(void)
 113 {
 114   return TRUE;
 115 /*
 116   if (m_window) gdk_window_destroy( m_window );
 117   m_window = NULL;
 118   m_isOk = FALSE;
 119   return TRUE;
 120 */
 121 };