static bool wxQueryWMspecSupport(Display* WXUNUSED(display),
Window WXUNUSED(rootWnd),
Atom (feature))
{
GdkAtom gatom = gdk_x11_xatom_to_atom(feature);
return gdk_net_wm_supports(gatom);
}
static VALUE
rbx11_net_wm_supports(VALUE self, VALUE property)
{
return CBOOL2RVAL(gdk_net_wm_supports(RVAL2ATOM(property)));
}
int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
{
guchar *data = NULL;
Atom type;
int format;
gulong nitems;
GdkWindow *window = NULL;
if(win && GTK_WIDGET_REALIZED(win->GetHandle()))
window = win->GetHandle()->window;
switch (index)
{
case wxSYS_BORDER_X:
case wxSYS_BORDER_Y:
case wxSYS_EDGE_X:
case wxSYS_EDGE_Y:
case wxSYS_FRAMESIZE_X:
case wxSYS_FRAMESIZE_Y:
// If a window is specified/realized, and it is a toplevel window, we can query from wm.
// The returned border thickness is outside the client area in that case.
if (window)
{
wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
if (!tlw)
return -1; // not a tlw, not sure how to approach
else
{
// Check if wm supports frame extents - we can't know
// the border widths if it does not.
#if GTK_CHECK_VERSION(2,2,0)
if (!gtk_check_version(2,2,0))
{
if (!gdk_x11_screen_supports_net_wm_hint(
gdk_drawable_get_screen(window),
gdk_atom_intern("_NET_FRAME_EXTENTS", false) ) )
return -1;
}
else
#endif
{
if (!gdk_net_wm_supports(gdk_atom_intern("_NET_FRAME_EXTENTS", false)))
return -1;
}
// Get the frame extents from the windowmanager.
// In most cases the top extent is the titlebar, so we use the bottom extent
// for the heights.
if (wxXGetWindowProperty(window, type, format, nitems, data))
{
int border_return = -1;
if ((type == XA_CARDINAL) && (format == 32) && (nitems >= 4) && (data))
{
switch(index)
{
case wxSYS_BORDER_X:
case wxSYS_EDGE_X:
case wxSYS_FRAMESIZE_X:
border_return = ((long*)data)[1]; // width of right extent
break;
default:
border_return = ((long*)data)[3]; // height of bottom extent
break;
}
}
if (data)
XFree(data);
return border_return;
}
}
}
return -1; // no window specified
case wxSYS_CURSOR_X:
case wxSYS_CURSOR_Y:
#ifdef __WXGTK24__
if (!gtk_check_version(2,4,0))
{
if (window)
return gdk_display_get_default_cursor_size(gdk_drawable_get_display(window));
else
return gdk_display_get_default_cursor_size(gdk_display_get_default());
}
else
#endif
return 16;
case wxSYS_DCLICK_X:
case wxSYS_DCLICK_Y:
gint dclick_distance;
#if GTK_CHECK_VERSION(2,2,0)
if (window && !gtk_check_version(2,2,0))
g_object_get(gtk_settings_get_for_screen(gdk_drawable_get_screen(window)),
"gtk-double-click-distance", &dclick_distance, NULL);
else
#endif
g_object_get(gtk_settings_get_default(),
"gtk-double-click-distance", &dclick_distance, NULL);
return dclick_distance * 2;
case wxSYS_DRAG_X:
case wxSYS_DRAG_Y:
gint drag_threshold;
#if GTK_CHECK_VERSION(2,2,0)
if (window && !gtk_check_version(2,2,0))
{
g_object_get(
gtk_settings_get_for_screen(gdk_drawable_get_screen(window)),
"gtk-dnd-drag-threshold",
&drag_threshold, NULL);
}
else
#endif
{
g_object_get(gtk_settings_get_default(),
"gtk-dnd-drag-threshold", &drag_threshold, NULL);
}
// The correct thing here would be to double the value
// since that is what the API wants. But the values
// are much bigger under GNOME than under Windows and
// just seem to much in many cases to be useful.
// drag_threshold *= 2;
return drag_threshold;
// MBN: ditto for icons
case wxSYS_ICON_X: return 32;
case wxSYS_ICON_Y: return 32;
case wxSYS_SCREEN_X:
#if GTK_CHECK_VERSION(2,2,0)
if (window && !gtk_check_version(2,2,0))
return gdk_screen_get_width(gdk_drawable_get_screen(window));
else
#endif
return gdk_screen_width();
case wxSYS_SCREEN_Y:
#if GTK_CHECK_VERSION(2,2,0)
if (window && !gtk_check_version(2,2,0))
return gdk_screen_get_height(gdk_drawable_get_screen(window));
else
#endif
return gdk_screen_height();
case wxSYS_HSCROLL_Y: return 15;
case wxSYS_VSCROLL_X: return 15;
case wxSYS_CAPTION_Y:
if (!window)
// No realized window specified, and no implementation for that case yet.
return -1;
// Check if wm supports frame extents - we can't know the caption height if it does not.
#if GTK_CHECK_VERSION(2,2,0)
if (!gtk_check_version(2,2,0))
{
if (!gdk_x11_screen_supports_net_wm_hint(
gdk_drawable_get_screen(window),
gdk_atom_intern("_NET_FRAME_EXTENTS", false) ) )
return -1;
}
else
#endif
{
if (!gdk_net_wm_supports(gdk_atom_intern("_NET_FRAME_EXTENTS", false)))
return -1;
}
wxASSERT_MSG( wxDynamicCast(win, wxTopLevelWindow),
wxT("Asking for caption height of a non toplevel window") );
// Get the height of the top windowmanager border.
// This is the titlebar in most cases. The titlebar might be elsewhere, and
// we could check which is the thickest wm border to decide on which side the
// titlebar is, but this might lead to interesting behaviours in used code.
// Reconsider when we have a way to report to the user on which side it is.
if (wxXGetWindowProperty(window, type, format, nitems, data))
{
int caption_height = -1;
if ((type == XA_CARDINAL) && (format == 32) && (nitems >= 3) && (data))
{
caption_height = ((long*)data)[2]; // top frame extent
}
if (data)
XFree(data);
return caption_height;
}
// Try a default approach without a window pointer, if possible
// ...
return -1;
case wxSYS_PENWINDOWS_PRESENT:
// No MS Windows for Pen computing extension available in X11 based gtk+.
return 0;
default:
return -1; // metric is unknown
}
}
