src/gtk1/dcscreen.cpp

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