- /* get the screen boundaries */
- area = screen_area(c->desktop);
- al = RECT_LEFT(*area);
- at = RECT_TOP(*area);
- ar = RECT_RIGHT(*area);
- ab = RECT_BOTTOM(*area);
-
- if (config_resist_edge) {
- /* horizontal snapping */
- switch (corn) {
- case OB_CORNER_TOPLEFT:
- case OB_CORNER_BOTTOMLEFT:
- dlt = l;
- drb = r + *w - c->frame->area.width;
- if (r <= ar && drb > ar && drb <= ar + config_resist_edge)
- *w = ar - l + 1;
- break;
- case OB_CORNER_TOPRIGHT:
- case OB_CORNER_BOTTOMRIGHT:
- dlt = l - *w + c->frame->area.width;
- drb = r;
- if (l >= al && dlt < al && dlt >= al - config_resist_edge)
- *w = r - al + 1;
- break;
- }
+ for (i = 0; i < screen_num_monitors; ++i) {
+ area = screen_area_monitor(c->desktop, i);
+ parea = screen_physical_area_monitor(i);
+
+ if (!RECT_INTERSECTS_RECT(*parea, c->frame->area))
+ continue;
+
+ /* get the screen boundaries */
+ al = RECT_LEFT(*area);
+ at = RECT_TOP(*area);
+ ar = RECT_RIGHT(*area);
+ ab = RECT_BOTTOM(*area);
+ pl = RECT_LEFT(*parea);
+ pt = RECT_TOP(*parea);
+ pr = RECT_RIGHT(*parea);
+ pb = RECT_BOTTOM(*parea);
+
+ if (config_resist_edge) {
+ /* horizontal snapping */
+ switch (corn) {
+ case OB_CORNER_TOPLEFT:
+ case OB_CORNER_BOTTOMLEFT:
+ dlt = l;
+ drb = r + *w - c->frame->area.width;
+ if (r <= ar && drb > ar && drb <= ar + config_resist_edge)
+ *w = ar - l + 1;
+ else if (r <= pr && drb > pr && drb <= pr + config_resist_edge)
+ *w = pr - l + 1;
+ break;
+ case OB_CORNER_TOPRIGHT:
+ case OB_CORNER_BOTTOMRIGHT:
+ dlt = l - *w + c->frame->area.width;
+ drb = r;
+ if (l >= al && dlt < al && dlt >= al - config_resist_edge)
+ *w = r - al + 1;
+ else if (l >= pl && dlt < pl && dlt >= pl - config_resist_edge)
+ *w = r - pl + 1;
+ break;
+ }