Handle the case of NSNotFound result properly.

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

diff --git a/src/motif/dcscreen.cpp b/src/motif/dcscreen.cpp
index 44fc92f682f370c0b4c3fc9f0aa11ff86cf9ff86..31101b5dc8299fa42b7bf4629f10f5665047241f 100644 (file)
--- a/src/motif/dcscreen.cpp
+++ b/src/motif/dcscreen.cpp
@@ -1,25 +1,23 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcscreen.cpp
-// Purpose:     wxScreenDC class
+// Name:        src/motif/dcscreen.cpp
+// Purpose:     wxScreenDCImpl class
 // Author:      Julian Smart
 // Modified by:
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#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/window.h"
-#include "wx/frame.h"
-#include "wx/dcscreen.h"
-#include "wx/utils.h"
+#ifndef WX_PRECOMP
+    #include "wx/utils.h"
+    #include "wx/window.h"
+    #include "wx/frame.h"
+    #include "wx/dcscreen.h"
+#endif
 
 #ifdef __VMS__
 #pragma message disable nosimpint
@@ -30,19 +28,21 @@
 #endif
 
 #include "wx/motif/private.h"
+#include "wx/motif/dcscreen.h"
 
-IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
+IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl, wxWindowDCImpl)
 
-WXWindow wxScreenDC::sm_overlayWindow = 0;
-int wxScreenDC::sm_overlayWindowX = 0;
-int wxScreenDC::sm_overlayWindowY = 0;
+WXWindow wxScreenDCImpl::sm_overlayWindow = 0;
+int wxScreenDCImpl::sm_overlayWindowX = 0;
+int wxScreenDCImpl::sm_overlayWindowY = 0;
 
 // Create a DC representing the whole screen
-wxScreenDC::wxScreenDC()
+wxScreenDCImpl::wxScreenDCImpl(wxScreenDC *owner)
+              : wxWindowDCImpl(owner)
 {
     m_display = wxGetDisplay();
     Display* display = (Display*) m_display;
-    
+
     if (sm_overlayWindow)
     {
         m_pixmap = sm_overlayWindow;
@@ -51,7 +51,7 @@ wxScreenDC::wxScreenDC()
     }
     else
         m_pixmap = (WXPixmap) RootWindow(display, DefaultScreen(display));
-    
+
     XGCValues gcvalues;
     gcvalues.foreground = BlackPixel (display, DefaultScreen (display));
     gcvalues.background = WhitePixel (display, DefaultScreen (display));
@@ -61,17 +61,17 @@ wxScreenDC::wxScreenDC()
     m_gc = XCreateGC (display, RootWindow (display, DefaultScreen (display)),
         GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
         &gcvalues);
-    
-    m_backgroundPixel = (int) gcvalues.background;
+
+    m_backgroundPixel = gcvalues.background;
     m_ok = true;
 }
 
-wxScreenDC::~wxScreenDC()
+wxScreenDCImpl::~wxScreenDCImpl()
 {
     EndDrawingOnTop();
 }
 
-bool wxScreenDC::StartDrawingOnTop(wxWindow* window)
+bool wxScreenDCImpl::StartDrawingOnTop(wxWindow* window)
 {
     wxRect rect;
     int x, y, width, height;
@@ -81,23 +81,23 @@ bool wxScreenDC::StartDrawingOnTop(wxWindow* window)
     window->GetSize(& width, & height);
     rect.x = x; rect.y = y;
     rect.width = width; rect.height = height;
-    
+
     return StartDrawingOnTop(& rect);
 }
 
-bool wxScreenDC::StartDrawingOnTop(wxRect* rect)
+bool wxScreenDCImpl::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;
@@ -105,16 +105,16 @@ bool wxScreenDC::StartDrawingOnTop(wxRect* rect)
     }
     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);
@@ -124,7 +124,7 @@ bool wxScreenDC::StartDrawingOnTop(wxRect* rect)
         return false;
 }
 
-bool wxScreenDC::EndDrawingOnTop()
+bool wxScreenDCImpl::EndDrawingOnTop()
 {
     if (sm_overlayWindow)
     {