rootston: rotate cursor coordinates
#include <assert.h>
#include <time.h>
#include <stdlib.h>
+#include <math.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_cursor.h>
@@ -105,9 +106,18 @@ struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
struct wlr_box box;
view_get_input_bounds(view, &box);
- box.x += view->x;
- box.y += view->y;
- if (wlr_box_contains_point(&box, lx, ly)) {
+ if (view->rotation != 0.0) {
+ // Coordinates relative to the center of the view
+ double ox = view_sx - (double)box.width/2,
+ oy = view_sy - (double)box.height/2;
+ // Rotated coordinates
+ double rx = cos(view->rotation)*ox - sin(view->rotation)*oy,
+ ry = cos(view->rotation)*oy + sin(view->rotation)*ox;
+ view_sx = (double)box.width/2 + rx;
+ view_sy = (double)box.height/2 + ry;
+ }
+
+ if (wlr_box_contains_point(&box, view_sx, view_sy)) {
*sx = view_sx;
*sy = view_sy;
*surface = view->wlr_surface;
