implemented Freeze/Thaw() (patch 922156)

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

diff --git a/src/motif/dcscreen.cpp b/src/motif/dcscreen.cpp
index cdb5ed5dd43cc547c67dafbe609c991998987e67..62d1cbc8b828dd4a5ed8bf32e3542ed5efa40a5f 100644 (file)
--- a/src/motif/dcscreen.cpp
+++ b/src/motif/dcscreen.cpp
@@ -9,20 +9,26 @@
 // Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "dcscreen.h"
 #endif
 
+#include "wx/window.h"
+#include "wx/frame.h"
 #include "wx/dcscreen.h"
 #include "wx/utils.h"
 
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
 #include <Xm/Xm.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
 
-#include <wx/motif/private.h>
+#include "wx/motif/private.h"
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
-#endif
 
 WXWindow wxScreenDC::sm_overlayWindow = 0;
 int wxScreenDC::sm_overlayWindowX = 0;
@@ -31,97 +37,98 @@ int wxScreenDC::sm_overlayWindowY = 0;
 // Create a DC representing the whole screen
 wxScreenDC::wxScreenDC()
 {
-  m_display = wxGetDisplay();
-  Display* display = (Display*) m_display;
-
-  if (sm_overlayWindow)
-  {
-    m_pixmap = sm_overlayWindow;
-    m_deviceOriginX = - sm_overlayWindowX;
-    m_deviceOriginY = - sm_overlayWindowY;
-  }
-  else
-    m_pixmap = (WXPixmap) RootWindow(display, DefaultScreen(display));
-
-  XGCValues gcvalues;
-  gcvalues.foreground = BlackPixel (display, DefaultScreen (display));
-  gcvalues.background = WhitePixel (display, DefaultScreen (display));
-  gcvalues.graphics_exposures = False;
-  gcvalues.subwindow_mode = IncludeInferiors;
-  gcvalues.line_width = 1;
-  m_gc = XCreateGC (display, RootWindow (display, DefaultScreen (display)),
-           GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
-                 &gcvalues);
-
-  m_backgroundPixel = (int) gcvalues.background;
-  m_ok = TRUE;
+    m_display = wxGetDisplay();
+    Display* display = (Display*) m_display;
+    
+    if (sm_overlayWindow)
+    {
+        m_pixmap = sm_overlayWindow;
+        m_deviceOriginX = - sm_overlayWindowX;
+        m_deviceOriginY = - sm_overlayWindowY;
+    }
+    else
+        m_pixmap = (WXPixmap) RootWindow(display, DefaultScreen(display));
+    
+    XGCValues gcvalues;
+    gcvalues.foreground = BlackPixel (display, DefaultScreen (display));
+    gcvalues.background = WhitePixel (display, DefaultScreen (display));
+    gcvalues.graphics_exposures = False;
+    gcvalues.subwindow_mode = IncludeInferiors;
+    gcvalues.line_width = 1;
+    m_gc = XCreateGC (display, RootWindow (display, DefaultScreen (display)),
+        GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
+        &gcvalues);
+    
+    m_backgroundPixel = (int) gcvalues.background;
+    m_ok = TRUE;
 }
 
 wxScreenDC::~wxScreenDC()
 {
+    EndDrawingOnTop();
 }
 
 bool wxScreenDC::StartDrawingOnTop(wxWindow* window)
 {
-  wxRect rect;
-  int x, y, width, height;
-  window->GetPosition(& x, & y);
-  if (window->GetParent())
-      window->GetParent()->ClientToScreen(& x, & y);
-  window->GetSize(& width, & height);
-  rect.x = x; rect.y = y;
-  rect.width = width; rect.height = height;
-
-  return StartDrawingOnTop(& rect);
+    wxRect rect;
+    int x, y, width, height;
+    window->GetPosition(& x, & y);
+    if (window->GetParent() && !window->IsKindOf(CLASSINFO(wxFrame)))
+        window->GetParent()->ClientToScreen(& x, & y);
+    window->GetSize(& width, & height);
+    rect.x = x; rect.y = y;
+    rect.width = width; rect.height = height;
+    
+    return StartDrawingOnTop(& rect);
 }
 
 bool wxScreenDC::StartDrawingOnTop(wxRect* rect)
 {
-  if (sm_overlayWindow)
-    return FALSE;
-
-  Display *dpy = (Display*) wxGetDisplay();
-  Pixmap screenPixmap = RootWindow(dpy, DefaultScreen(dpy));
-
-  int x = 0;
-  int y = 0;
-  int width, height;
-  wxDisplaySize(&width, &height);
-
-  if (rect)
-  {
-    x = rect->x; y = rect->y;
-    width = rect->width; height = rect->height;
-  }
-  sm_overlayWindowX = x;
-  sm_overlayWindowY = y;
-
-  XSetWindowAttributes attributes;
-  attributes.override_redirect = True;
-  unsigned long valueMask = CWOverrideRedirect;
-
-  sm_overlayWindow = (WXWindow) XCreateWindow(dpy, screenPixmap, x, y, width, height, 0,
-                        wxDisplayDepth(), InputOutput,
-                        DefaultVisual(dpy, 0), valueMask,
-                        & attributes);
-
-  if (sm_overlayWindow)
-  {
-    XMapWindow(dpy, (Window) sm_overlayWindow);
-    return TRUE;
-  }
-  else
-    return FALSE;
+    if (sm_overlayWindow)
+        return FALSE;
+    
+    Display *dpy = (Display*) wxGetDisplay();
+    Pixmap screenPixmap = RootWindow(dpy, DefaultScreen(dpy));
+    
+    int x = 0;
+    int y = 0;
+    int width, height;
+    wxDisplaySize(&width, &height);
+    
+    if (rect)
+    {
+        x = rect->x; y = rect->y;
+        width = rect->width; height = rect->height;
+    }
+    sm_overlayWindowX = x;
+    sm_overlayWindowY = y;
+    
+    XSetWindowAttributes attributes;
+    attributes.override_redirect = True;
+    unsigned long valueMask = CWOverrideRedirect;
+    
+    sm_overlayWindow = (WXWindow) XCreateWindow(dpy, screenPixmap, x, y, width, height, 0,
+        wxDisplayDepth(), InputOutput,
+        DefaultVisual(dpy, 0), valueMask,
+        & attributes);
+    
+    if (sm_overlayWindow)
+    {
+        XMapWindow(dpy, (Window) sm_overlayWindow);
+        return TRUE;
+    }
+    else
+        return FALSE;
 }
 
 bool wxScreenDC::EndDrawingOnTop()
 {
-  if (sm_overlayWindow)
-  {
-    XDestroyWindow((Display*) wxGetDisplay(), (Window) sm_overlayWindow);
-    sm_overlayWindow = 0;
-    return TRUE;
-  }
-  else
-    return FALSE;
+    if (sm_overlayWindow)
+    {
+        XDestroyWindow((Display*) wxGetDisplay(), (Window) sm_overlayWindow);
+        sm_overlayWindow = 0;
+        return TRUE;
+    }
+    else
+        return FALSE;
 }