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cursor: Fix "jumping opposite edges" issue when resizing.

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Commit ec68806354 ("xwayland: Honor size increments from
WM_SIZE_HINTS") adjusted only the window width/height according
to the size hints.  If resizing from the top or left edge of the
window, we also need to adjust the window position to keep the
bottom or right edge from jumping around.
This commit is contained in:
John Lindgren 2022-04-02 21:34:51 -04:00 • committed by Johan Malm
parent ec68806354
commit a50d27c770
5 changed files with 52 additions and 71 deletions
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40
src/cursor.c
View file

@ -136,32 +136,28 @@ process_cursor_resize(struct server *server, uint32_t time)
.x = view->x, .y = view->y, .width = view->w, .height = view->h
};
int min_width, min_height;
view_min_size(view, &min_width, &min_height);
if (server->resize_edges & WLR_EDGE_TOP)
new_view_geo.height = server->grab_box.height - dy;
else if (server->resize_edges & WLR_EDGE_BOTTOM)
new_view_geo.height = server->grab_box.height + dy;
if (server->resize_edges & WLR_EDGE_LEFT)
new_view_geo.width = server->grab_box.width - dx;
else if (server->resize_edges & WLR_EDGE_RIGHT)
new_view_geo.width = server->grab_box.width + dx;
view_adjust_size(view, &new_view_geo.width, &new_view_geo.height);
if (server->resize_edges & WLR_EDGE_TOP) {
if (server->grab_box.height - dy < min_height) {
dy = server->grab_box.height - min_height;
}
new_view_geo.y = server->grab_box.y + dy;
new_view_geo.height = server->grab_box.height - dy;
} else if (server->resize_edges & WLR_EDGE_BOTTOM) {
if (server->grab_box.height + dy < min_height) {
dy = min_height - server->grab_box.height;
}
new_view_geo.height = server->grab_box.height + dy;
// anchor bottom edge
new_view_geo.y = server->grab_box.y +
server->grab_box.height - new_view_geo.height;
}
if (server->resize_edges & WLR_EDGE_LEFT) {
if (server->grab_box.width - dx < min_width) {
dx = server->grab_box.width - min_width;
}
new_view_geo.x = server->grab_box.x + dx;
new_view_geo.width = server->grab_box.width - dx;
} else if (server->resize_edges & WLR_EDGE_RIGHT) {
if (server->grab_box.width + dx < min_width) {
dx = min_width - server->grab_box.width;
}
new_view_geo.width = server->grab_box.width + dx;
// anchor right edge
new_view_geo.x = server->grab_box.x +
server->grab_box.width - new_view_geo.width;
}
resistance_resize_apply(view, &new_view_geo);