#pragma implementation "dcscreen.h"
#endif
+#include "wx/window.h"
#include "wx/dcscreen.h"
+#include "wx/utils.h"
+
+#include <Xm/Xm.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;
+int wxScreenDC::sm_overlayWindowY = 0;
+
// Create a DC representing the whole screen
wxScreenDC::wxScreenDC()
{
- // TODO
+ 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()
{
- // TODO
}
bool wxScreenDC::StartDrawingOnTop(wxWindow* window)
{
- // TODO
- return FALSE;
+ 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);
}
-bool wxScreenDC::StartDrawingOnTop(wxRect* rect = NULL)
+bool wxScreenDC::StartDrawingOnTop(wxRect* rect)
{
- // TODO
- 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()
{
- // TODO
- return TRUE;
+ if (sm_overlayWindow)
+ {
+ XDestroyWindow((Display*) wxGetDisplay(), (Window) sm_overlayWindow);
+ sm_overlayWindow = 0;
+ return TRUE;
+ }
+ else
+ return FALSE;
}