+
+#include "wx/utils.h"
+
+#if wxUSE_LIBHILDON || wxUSE_LIBHILDON2 || !defined(GDK_WINDOWING_X11)
+
+void wxClientDisplayRect(int *x, int *y, int *width, int *height)
+{
+ // TODO: don't hardcode display size
+ if ( x )
+ *x = 0;
+ if ( y )
+ *y = 0;
+ if ( width )
+ *width = 672;
+ if ( height )
+ *height = 396;
+}
+
+#else // !wxUSE_LIBHILDON || !wxUSE_LIBHILDON2
+
+#include "wx/log.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
+// TODO: make this a full-fledged class and move to a public header
+class wxX11Ptr
+{
+public:
+ wxX11Ptr(void *ptr = NULL) : m_ptr(ptr) { }
+ ~wxX11Ptr() { if ( m_ptr ) XFree(m_ptr); }
+
+private:
+ void *m_ptr;
+
+ wxDECLARE_NO_COPY_CLASS(wxX11Ptr);
+};
+
+// NB: this function is implemented using X11 and not GDK calls as it's shared
+// by wxGTK[12], wxX11 and wxMotif ports
+void wxClientDisplayRect(int *x, int *y, int *width, int *height)
+{
+ Display * const dpy = wxGetX11Display();
+ wxCHECK_RET( dpy, wxT("can't be called before initializing the GUI") );
+
+ wxRect rectClient;
+
+ const Atom atomWorkArea = XInternAtom(dpy, "_NET_WORKAREA", True);
+ if ( atomWorkArea )
+ {
+ long *workareas = NULL;
+ unsigned long numItems;
+ unsigned long bytesRemaining;
+ Atom actualType;
+ int format;
+
+ if ( XGetWindowProperty
+ (
+ dpy,
+ XDefaultRootWindow(dpy),
+ atomWorkArea,
+ 0, // offset of data to retrieve
+ 4, // number of items to retrieve
+ False, // don't delete property
+ XA_CARDINAL, // type of the items to get
+ &actualType,
+ &format,
+ &numItems,
+ &bytesRemaining,
+ (unsigned char **)&workareas
+ ) == Success && workareas )
+ {
+ wxX11Ptr x11ptr(workareas); // ensure it will be freed
+
+ // check that we retrieved the property of the expected type and
+ // that we did get back 4 longs (32 is the format for long), as
+ // requested
+ if ( actualType != XA_CARDINAL ||
+ format != 32 ||
+ numItems != 4 )
+ {
+ wxLogDebug(wxT("XGetWindowProperty(\"_NET_WORKAREA\") failed"));
+ }
+ else
+ {
+ rectClient = wxRect(workareas[0], workareas[1],
+ workareas[2], workareas[3]);
+ }
+ }
+ }
+
+ // Although _NET_WORKAREA is supposed to return the client size of the
+ // screen, not all implementations are conforming, apparently, see #14419,
+ // so make sure we return a subset of the primary display.
+ wxRect rectFull;
+#if wxUSE_DISPLAY
+ ScreensInfo screens;
+ const ScreenInfo& info = screens[0];
+ rectFull = wxRect(info.x_org, info.y_org, info.width, info.height);
+#else
+ wxDisplaySize(&rectFull.width, &rectFull.height);
+#endif
+
+ if ( !rectClient.width || !rectClient.height )
+ {
+ // _NET_WORKAREA not available or didn't work, fall back to the total
+ // display size.
+ rectClient = rectFull;
+ }
+ else
+ {
+ rectClient = rectClient.Intersect(rectFull);
+ }
+
+ if ( x )
+ *x = rectClient.x;
+ if ( y )
+ *y = rectClient.y;
+ if ( width )
+ *width = rectClient.width;
+ if ( height )
+ *height = rectClient.height;
+}
+
+#endif // wxUSE_LIBHILDON/!wxUSE_LIBHILDON