Implement focus_follows_mouse

1 files changed, 40 insertions, 0 deletions

diff --git a/sway/handlers.c b/sway/handlers.c
index f1098835..0c0fb85f 100644
--- a/sway/handlers.c
+++ b/sway/handlers.c
@@ -83,3 +83,43 @@ bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifiers
 	}
 	return ret;
 }
+
+bool pointer_test(swayc_t *view, void *_origin) {
+	const struct wlc_origin *origin = _origin;
+	if (view->type == C_VIEW && origin->x >= view->x && origin->y >= view->y
+			&& origin->x < view->x + view->width && origin->y < view->y + view->height) {
+		return true;
+	}
+	return false;
+}
+
+struct wlc_origin mouse_origin;
+
+bool handle_pointer_motion(wlc_handle view, uint32_t time, const struct wlc_origin *origin) {
+	mouse_origin = *origin;
+	if (!config->focus_follows_mouse) {
+		return true;
+	}
+	swayc_t *c = find_container(&root_container, pointer_test, (void *)origin);
+	swayc_t *focused = get_focused_container(&root_container);
+	if (c && c != focused) {
+		sway_log(L_DEBUG, "Switching focus to %p", c);
+		focus_view(c);
+	}
+	return true;
+}
+
+bool handle_pointer_button(wlc_handle view, uint32_t time, const struct wlc_modifiers *modifiers,
+		uint32_t button, enum wlc_button_state state) {
+	if (state == WLC_BUTTON_STATE_PRESSED) {
+		swayc_t *c = find_container(&root_container, pointer_test, &mouse_origin);
+		swayc_t *focused = get_focused_container(&root_container);
+		if (c && c != focused) {
+			sway_log(L_DEBUG, "Switching focus to %p", c);
+			focus_view(c);
+			return false;
+		}
+		return true;
+	}
+	return true;
+}