| 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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 11 | #pragma implementation "dcscreen.h" |
| 12 | #endif |
| 13 | |
| 14 | // For compilers that support precompilation, includes "wx.h". |
| 15 | #include "wx/wxprec.h" |
| 16 | |
| 17 | #include "wx/dcscreen.h" |
| 18 | #include "wx/window.h" |
| 19 | |
| 20 | #include <gdk/gdk.h> |
| 21 | #include <gdk/gdkx.h> |
| 22 | #include <gtk/gtk.h> |
| 23 | |
| 24 | //----------------------------------------------------------------------------- |
| 25 | // global data initialization |
| 26 | //----------------------------------------------------------------------------- |
| 27 | |
| 28 | GdkWindow *wxScreenDC::sm_overlayWindow = (GdkWindow*) NULL; |
| 29 | int wxScreenDC::sm_overlayWindowX = 0; |
| 30 | int wxScreenDC::sm_overlayWindowY = 0; |
| 31 | |
| 32 | //----------------------------------------------------------------------------- |
| 33 | // wxScreenDC |
| 34 | //----------------------------------------------------------------------------- |
| 35 | |
| 36 | IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC) |
| 37 | |
| 38 | wxScreenDC::wxScreenDC() |
| 39 | { |
| 40 | m_ok = FALSE; |
| 41 | m_cmap = gdk_colormap_get_system(); |
| 42 | m_window = GDK_ROOT_PARENT(); |
| 43 | |
| 44 | #ifdef __WXGTK20__ |
| 45 | m_context = gdk_pango_context_get(); |
| 46 | m_layout = pango_layout_new( m_context ); |
| 47 | // m_fontdesc = pango_font_description_copy( widget->style->font_desc ); |
| 48 | #endif |
| 49 | |
| 50 | m_isScreenDC = TRUE; |
| 51 | |
| 52 | SetUpDC(); |
| 53 | |
| 54 | gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS ); |
| 55 | gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS ); |
| 56 | gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS ); |
| 57 | gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS ); |
| 58 | } |
| 59 | |
| 60 | wxScreenDC::~wxScreenDC() |
| 61 | { |
| 62 | gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN ); |
| 63 | gdk_gc_set_subwindow( m_brushGC, GDK_CLIP_BY_CHILDREN ); |
| 64 | gdk_gc_set_subwindow( m_textGC, GDK_CLIP_BY_CHILDREN ); |
| 65 | gdk_gc_set_subwindow( m_bgGC, GDK_CLIP_BY_CHILDREN ); |
| 66 | |
| 67 | EndDrawingOnTop(); |
| 68 | } |
| 69 | |
| 70 | bool wxScreenDC::StartDrawingOnTop( wxWindow *window ) |
| 71 | { |
| 72 | if (!window) return StartDrawingOnTop(); |
| 73 | |
| 74 | int x = 0; |
| 75 | int y = 0; |
| 76 | window->GetPosition( &x, &y ); |
| 77 | int w = 0; |
| 78 | int h = 0; |
| 79 | window->GetSize( &w, &h ); |
| 80 | window->ClientToScreen( &x, &y ); |
| 81 | |
| 82 | wxRect rect; |
| 83 | rect.x = x; |
| 84 | rect.y = y; |
| 85 | rect.width = 0; |
| 86 | rect.height = 0; |
| 87 | |
| 88 | return StartDrawingOnTop( &rect ); |
| 89 | } |
| 90 | |
| 91 | bool wxScreenDC::StartDrawingOnTop( wxRect *rect ) |
| 92 | { |
| 93 | int x = 0; |
| 94 | int y = 0; |
| 95 | int width = gdk_screen_width(); |
| 96 | int height = gdk_screen_height(); |
| 97 | if (rect) |
| 98 | { |
| 99 | x = rect->x; |
| 100 | y = rect->y; |
| 101 | width = rect->width; |
| 102 | height = rect->height; |
| 103 | } |
| 104 | |
| 105 | return TRUE; |
| 106 | } |
| 107 | |
| 108 | bool wxScreenDC::EndDrawingOnTop() |
| 109 | { |
| 110 | return TRUE; |
| 111 | } |
| 112 | |
| 113 | void wxScreenDC::DoGetSize(int *width, int *height) const |
| 114 | { |
| 115 | wxDisplaySize(width, height); |
| 116 | } |