Fix bug with using uninitialized flags in GetParentForModalDialog().

[wxWidgets.git] / src / x11 / dcscreen.cpp

diff --git a/src/x11/dcscreen.cpp b/src/x11/dcscreen.cpp
index 1da45d5e3935713455f9ae29d709db7bdba5f624..7eff9560cda26a2fa06d01b78cb24969d267661f 100644 (file)
--- a/src/x11/dcscreen.cpp
+++ b/src/x11/dcscreen.cpp
@@ -1,134 +1,73 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcscreen.cpp
+// Name:        src/x11/dcscreen.cpp
 // Purpose:     wxScreenDC class
-// Author:      Julian Smart
+// Author:      Julian Smart, Robert Roebling
 // Modified by:
 // Created:     17/09/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart
-// Licence:    wxWindows licence
+// Copyright:   (c) Julian Smart, Robert Roebling
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#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"
+#include "wx/x11/dcscreen.h"
 
-#ifdef __VMS__
-#pragma message disable nosimpint
-#endif
-#include <Xm/Xm.h>
-#ifdef __VMS__
-#pragma message enable nosimpint
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/window.h"
+    #include "wx/frame.h"
 #endif
 
-#include "wx/motif/private.h"
+#include "wx/fontutil.h"
 
-IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
+#include "wx/x11/private.h"
 
-WXWindow wxScreenDC::sm_overlayWindow = 0;
-int wxScreenDC::sm_overlayWindowX = 0;
-int wxScreenDC::sm_overlayWindowY = 0;
+//-----------------------------------------------------------------------------
+// wxScreenDC
+//-----------------------------------------------------------------------------
 
-// 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;
-}
+IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl,wxPaintDCImpl)
 
-wxScreenDC::~wxScreenDC()
+wxScreenDCImpl::wxScreenDCImpl( wxDC* owner )
+              : wxPaintDCImpl( owner )
 {
-    EndDrawingOnTop();
-}
+    m_ok = false;
 
-bool wxScreenDC::StartDrawingOnTop(wxWindow* window)
-{
-    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);
+    m_display = (WXDisplay *) wxGlobalDisplay();
+
+    int screen = DefaultScreen( (Display*) m_display );
+    m_cmap = (WXColormap) DefaultColormap( (Display*) m_display, screen );
+
+    m_x11window = (WXWindow) RootWindow( (Display*) m_display, screen );
+
+    m_isScreenDC = true;
+
+#if wxUSE_UNICODE
+    m_context = wxTheApp->GetPangoContext();
+    m_fontdesc = wxNORMAL_FONT->GetNativeFontInfo()->description;
+#endif
+
+    SetUpDC();
+
+    XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, IncludeInferiors );
+    XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, IncludeInferiors );
+    XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, IncludeInferiors );
+    XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, IncludeInferiors );
 }
 
-bool wxScreenDC::StartDrawingOnTop(wxRect* rect)
+wxScreenDCImpl::~wxScreenDCImpl()
 {
-    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;
+    XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, ClipByChildren );
+    XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, ClipByChildren );
+    XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, ClipByChildren );
+    XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, ClipByChildren );
 }
 
-bool wxScreenDC::EndDrawingOnTop()
+void wxScreenDCImpl::DoGetSize(int *width, int *height) const
 {
-    if (sm_overlayWindow)
-    {
-        XDestroyWindow((Display*) wxGetDisplay(), (Window) sm_overlayWindow);
-        sm_overlayWindow = 0;
-        return TRUE;
-    }
-    else
-        return FALSE;
+    wxDisplaySize(width, height);
 }