+#define STRUT_LEFT_ON_MONITOR(s, i) \
+ (RANGES_INTERSECT(s->left_start, s->left_end - s->left_start + 1, \
+ monitor_area[i].y, monitor_area[i].height))
+#define STRUT_RIGHT_ON_MONITOR(s, i) \
+ (RANGES_INTERSECT(s->right_start, s->right_end - s->right_start + 1, \
+ monitor_area[i].y, monitor_area[i].height))
+#define STRUT_TOP_ON_MONITOR(s, i) \
+ (RANGES_INTERSECT(s->top_start, s->top_end - s->top_start + 1, \
+ monitor_area[i].x, monitor_area[i].width))
+#define STRUT_BOTTOM_ON_MONITOR(s, i) \
+ (RANGES_INTERSECT(s->bottom_start, s->bottom_end - s->bottom_start + 1, \
+ monitor_area[i].x, monitor_area[i].width))
+
+typedef struct {
+ guint desktop;
+ StrutPartial *strut;
+} ObScreenStrut;
+
+#define RESET_STRUT_LIST(sl) \
+ (g_slist_free(sl), sl = NULL)
+
+#define ADD_STRUT_TO_LIST(sl, d, s) \
+{ \
+ ObScreenStrut *ss = g_new(ObScreenStrut, 1); \
+ ss->desktop = d; \
+ ss->strut = s; \
+ sl = g_slist_prepend(sl, ss); \
+}
+
+#define VALIDATE_STRUTS(sl, side, max) \
+{ \
+ GSList *it; \
+ for (it = sl; it; it = g_slist_next(it)) { \
+ ObScreenStrut *ss = it->data; \
+ ss->strut->side = MIN(max, ss->strut->side); \
+ } \
+}
+
+static void get_xinerama_screens(Rect **xin_areas, guint *nxin)
+{
+ guint i;
+ gint l, r, t, b;
+
+ if (ob_debug_xinerama) {
+ gint w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
+ gint h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
+ *nxin = 2;
+ *xin_areas = g_new(Rect, *nxin + 1);
+ RECT_SET((*xin_areas)[0], 0, 0, w/2, h);
+ RECT_SET((*xin_areas)[1], w/2, 0, w-(w/2), h);
+ }
+#ifdef XINERAMA
+ else if (obt_display_extension_xinerama) {
+ guint i;
+ gint n;
+ XineramaScreenInfo *info = XineramaQueryScreens(obt_display, &n);
+ *nxin = n;
+ *xin_areas = g_new(Rect, *nxin + 1);
+ for (i = 0; i < *nxin; ++i)
+ RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
+ info[i].width, info[i].height);
+ XFree(info);
+ }
+#endif
+ else {
+ *nxin = 1;
+ *xin_areas = g_new(Rect, *nxin + 1);
+ RECT_SET((*xin_areas)[0], 0, 0,
+ WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen)),
+ HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen)));
+ }
+
+ /* returns one extra with the total area in it */
+ l = (*xin_areas)[0].x;
+ t = (*xin_areas)[0].y;
+ r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
+ b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
+ for (i = 1; i < *nxin; ++i) {
+ l = MIN(l, (*xin_areas)[i].x);
+ t = MIN(l, (*xin_areas)[i].y);
+ r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
+ b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
+ }
+ RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
+}
+
+void screen_update_areas(void)