static gboolean request_frame_extents_timeout(void* data)
{
// WM support for _NET_REQUEST_FRAME_EXTENTS is broken
gs_requestFrameExtentsStatus = RFE_STATUS_BROKEN;
gdk_threads_enter();
wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
win->m_netFrameExtentsTimerId = 0;
wxTopLevelWindowGTK::DecorSize decorSize = win->m_decorSize;
wxGetFrameExtents(gtk_widget_get_window(win->m_widget),
&decorSize.left, &decorSize.right, &decorSize.top, &decorSize.bottom);
win->GTKUpdateDecorSize(decorSize);
gdk_threads_leave();
return false;
}
static gboolean request_frame_extents_timeout(void* data)
{
// WM support for _NET_REQUEST_FRAME_EXTENTS is broken
gs_requestFrameExtentsStatus = 2;
gdk_threads_enter();
wxTopLevelWindowGTK* win = static_cast<wxTopLevelWindowGTK*>(data);
win->m_netFrameExtentsTimerId = 0;
wxSize decorSize = win->m_decorSize;
int left, right, top, bottom;
if (wxGetFrameExtents(gtk_widget_get_window(win->m_widget), &left, &right, &top, &bottom))
decorSize.Set(left + right, top + bottom);
win->GTKUpdateDecorSize(decorSize);
gdk_threads_leave();
return false;
}
static gboolean property_notify_event(
GtkWidget*, GdkEventProperty* event, wxTopLevelWindowGTK* win)
{
// Watch for changes to _NET_FRAME_EXTENTS property
static GdkAtom property = gdk_atom_intern("_NET_FRAME_EXTENTS", false);
if (event->state == GDK_PROPERTY_NEW_VALUE && event->atom == property)
{
if (win->m_netFrameExtentsTimerId)
{
// WM support for _NET_REQUEST_FRAME_EXTENTS is working
gs_requestFrameExtentsStatus = RFE_STATUS_WORKING;
g_source_remove(win->m_netFrameExtentsTimerId);
win->m_netFrameExtentsTimerId = 0;
}
wxTopLevelWindowGTK::DecorSize decorSize = win->m_decorSize;
gs_decorCacheValid = wxGetFrameExtents(event->window,
&decorSize.left, &decorSize.right, &decorSize.top, &decorSize.bottom);
win->GTKUpdateDecorSize(decorSize);
}
return false;
}
int wxSystemSettingsNative::GetMetric( wxSystemMetric index, wxWindow* win )
{
GdkWindow *window = NULL;
if (win)
window = gtk_widget_get_window(win->GetHandle());
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 (win)
{
wxTopLevelWindow *tlw = wxDynamicCast(win, wxTopLevelWindow);
if (!tlw)
return GetBorderWidth(index, win);
else if (window)
{
// 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.
int right, bottom;
if (wxGetFrameExtents(window, NULL, &right, NULL, &bottom))
{
switch (index)
{
case wxSYS_BORDER_X:
case wxSYS_EDGE_X:
case wxSYS_FRAMESIZE_X:
return right; // width of right extent
default:
return bottom; // height of bottom extent
}
}
}
}
return -1; // no window specified
case wxSYS_CURSOR_X:
case wxSYS_CURSOR_Y:
return gdk_display_get_default_cursor_size(
window ? gdk_window_get_display(window)
: gdk_display_get_default());
case wxSYS_DCLICK_X:
case wxSYS_DCLICK_Y:
gint dclick_distance;
g_object_get(GetSettingsForWindowScreen(window),
"gtk-double-click-distance", &dclick_distance, NULL);
return dclick_distance * 2;
case wxSYS_DCLICK_MSEC:
gint dclick;
g_object_get(GetSettingsForWindowScreen(window),
"gtk-double-click-time", &dclick, NULL);
return dclick;
case wxSYS_DRAG_X:
case wxSYS_DRAG_Y:
gint drag_threshold;
g_object_get(GetSettingsForWindowScreen(window),
"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;
case wxSYS_ICON_X:
case wxSYS_ICON_Y:
return 32;
case wxSYS_SCREEN_X:
if (window)
return gdk_screen_get_width(gdk_window_get_screen(window));
else
return gdk_screen_width();
case wxSYS_SCREEN_Y:
if (window)
return gdk_screen_get_height(gdk_window_get_screen(window));
else
return gdk_screen_height();
case wxSYS_HSCROLL_Y:
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;
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.
{
int top;
if (wxGetFrameExtents(window, NULL, NULL, &top, NULL))
{
return top; // top frame extent
}
}
// 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
}
}