void
hildon_desktop_ms_is_at_visible_extreme (HildonDesktopMultiscreen *dms,
GdkScreen *screen,
gint monitor,
gboolean *leftmost,
gboolean *rightmost,
gboolean *topmost,
gboolean *bottommost)
{
g_return_if_fail (dms && HILDON_DESKTOP_IS_MULTISCREEN (dms));
MonitorBounds monitorb;
gint n_screen, i;
n_screen = gdk_screen_get_number (screen);
*leftmost = *rightmost = *topmost = *bottommost = TRUE;
g_return_if_fail (n_screen >= 0 && n_screen < dms->screens);
g_return_if_fail (monitor >= 0 || monitor < dms->monitors[n_screen]);
get_monitor_bounds (dms, n_screen, monitor, &monitorb);
/* go through each monitor and try to find one either right,
* below, above, or left of the specified monitor
*/
for (i = 0; i < dms->monitors[n_screen]; i++)
{
MonitorBounds iter;
if (i == monitor) continue;
get_monitor_bounds (dms, n_screen, i, &iter);
if ((iter.y0 >= monitorb.y0 && iter.y0 < monitorb.y1) ||
(iter.y1 > monitorb.y0 && iter.y1 <= monitorb.y1))
{
if (iter.x0 < monitorb.x0)
*leftmost = FALSE;
if (iter.x1 > monitorb.x1)
*rightmost = FALSE;
}
if ((iter.x0 >= monitorb.x0 && iter.x0 < monitorb.x1) ||
(iter.x1 > monitorb.x0 && iter.x1 <= monitorb.x1))
{
if (iter.y0 < monitorb.y0)
*topmost = FALSE;
if (iter.y1 > monitorb.y1)
*bottommost = FALSE;
}
}
}
/* determines whether a given monitor is along the visible
* edge of the logical screen.
*/
void
panel_multiscreen_is_at_visible_extreme (GdkScreen *screen,
int n_monitor,
gboolean *leftmost,
gboolean *rightmost,
gboolean *topmost,
gboolean *bottommost)
{
MonitorBounds monitor;
int n_screen, i;
n_screen = gdk_screen_get_number (screen);
*leftmost = TRUE;
*rightmost = TRUE;
*topmost = TRUE;
*bottommost = TRUE;
g_return_if_fail (n_screen >= 0 && n_screen < screens);
g_return_if_fail (n_monitor >= 0 && n_monitor < monitors [n_screen]);
get_monitor_bounds (n_screen, n_monitor, &monitor);
/* go through each monitor and try to find one either right,
* below, above, or left of the specified monitor
*/
for (i = 0; i < monitors [n_screen]; i++) {
MonitorBounds iter;
if (i == n_monitor) continue;
get_monitor_bounds (n_screen, i, &iter);
if ((iter.y0 >= monitor.y0 && iter.y0 < monitor.y1) ||
(iter.y1 > monitor.y0 && iter.y1 <= monitor.y1)) {
if (iter.x0 < monitor.x0)
*leftmost = FALSE;
if (iter.x1 > monitor.x1)
*rightmost = FALSE;
}
if ((iter.x0 >= monitor.x0 && iter.x0 < monitor.x1) ||
(iter.x1 > monitor.x0 && iter.x1 <= monitor.x1)) {
if (iter.y0 < monitor.y0)
*topmost = FALSE;
if (iter.y1 > monitor.y1)
*bottommost = FALSE;
}
}
}