+ wright = dx + frame.rect.width() - 1,
+ wtop = dy,
+ wbottom = dy + frame.rect.height() - 1;
+
+ if (screen->getWindowToWindowSnap()) {
+ Workspace *w = screen->getWorkspace(getWorkspaceNumber());
+ assert(w);
+
+ // try snap to another window
+ for (unsigned int i = 0, c = w->getCount(); i < c; ++i) {
+ BlackboxWindow *snapwin = w->getWindow(i);
+ if (snapwin == this)
+ continue; // don't snap to self
+
+ bool snapped = False;
+
+ const Rect &winrect = snapwin->frameRect();
+ int dleft = std::abs(wright - winrect.left()),
+ dright = std::abs(wleft - winrect.right()),
+ dtop = std::abs(wbottom - winrect.top()),
+ dbottom = std::abs(wtop - winrect.bottom());
+
+ if (wtop >= (signed)(winrect.y() - frame.rect.height() + 1) &&
+ wtop < (signed)(winrect.y() + winrect.height() - 1)) {
+
+ // snap left of other window?
+ if (dleft < snap_distance && dleft <= dright) {
+ dx = winrect.left() - frame.rect.width();
+ snapped = True;
+ }
+ // snap right of other window?
+ else if (dright < snap_distance) {
+ dx = winrect.right() + 1;
+ snapped = True;
+ }
+
+ if (snapped) {
+ if (screen->getWindowCornerSnap()) {
+ // try corner-snap to its other sides
+ dtop = std::abs(wtop - winrect.top());
+ dbottom = std::abs(wbottom - winrect.bottom());
+ if (dtop < snap_distance && dtop <= dbottom)
+ dy = winrect.top();
+ else if (dbottom < snap_distance)
+ dy = winrect.bottom() - frame.rect.height() + 1;
+ }
+
+ continue;
+ }
+ }
+
+ if (wleft >= (signed)(winrect.x() - frame.rect.width() + 1) &&
+ wleft < (signed)(winrect.x() + winrect.width() - 1)) {
+
+ // snap top of other window?
+ if (dtop < snap_distance && dtop <= dbottom) {
+ dy = winrect.top() - frame.rect.height();
+ snapped = True;
+ }
+ // snap bottom of other window?
+ else if (dbottom < snap_distance) {
+ dy = winrect.bottom() + 1;
+ snapped = True;
+ }
+
+ if (snapped) {
+ if (screen->getWindowCornerSnap()) {
+ // try corner-snap to its other sides
+ dleft = std::abs(wleft - winrect.left());
+ dright = std::abs(wright - winrect.right());
+ if (dleft < snap_distance && dleft <= dright)
+ dx = winrect.left();
+ else if (dright < snap_distance)
+ dx = winrect.right() - frame.rect.width() + 1;
+ }
+
+ continue;
+ }
+ }
+ }
+ }
+
+ // try snap to the screen's available area
+ Rect srect = screen->availableArea();