-bool Workspace::cascadePlacement(Rect &win, const Rect &availableArea) {
- if ((cascade_x > static_cast<signed>(availableArea.width() / 2)) ||
- (cascade_y > static_cast<signed>(availableArea.height() / 2)))
- cascade_x = cascade_y = 32;
+bool Workspace::cascadePlacement(Rect &win, const int offset) {
+ Rect area;
+
+#ifdef XINERAMA
+ if (screen->isXineramaActive() &&
+ screen->getBlackbox()->doXineramaPlacement()) {
+ area = screen->allAvailableAreas()[cascade_region];
+ } else
+#endif // XINERAMA
+ area = screen->availableArea();
+
+ if ((static_cast<signed>(cascade_x + win.width()) > area.right() + 1) ||
+ (static_cast<signed>(cascade_y + win.height()) > area.bottom() + 1)) {
+ cascade_x = cascade_y = 0;
+#ifdef XINERAMA
+ if (screen->isXineramaActive() &&
+ screen->getBlackbox()->doXineramaPlacement()) {
+ // go to the next xinerama region, and use its area
+ if (++cascade_region >= screen->allAvailableAreas().size())
+ cascade_region = 0;
+ area = screen->allAvailableAreas()[cascade_region];
+ }
+#endif // XINERAMA
+ }