cursor: handle double click on title

diff --git a/src/cursor.c b/src/cursor.c
index 1a52d193974fe9b7228d048daf3e105c9f1ca7bb..99772b7699fb6eabcd280fefb0f8888fb7150db1 100644 (file)
--- a/src/cursor.c
+++ b/src/cursor.c
@@ -1,5 +1,7 @@
 #include <assert.h>
 #include <linux/input-event-codes.h>
+#include <sys/time.h>
+#include <time.h>
 #include "labwc.h"
 #include "menu/menu.h"
 #include "ssd.h"
@@ -235,6 +237,19 @@ handle_cursor_button_with_meta_key(struct view *view, uint32_t button,
        interactive_begin(view, LAB_INPUT_STATE_RESIZE, edges);
 }
 
+static bool
+is_double_click(long double_click_speed)
+{
+       static struct timespec last_double_click;
+       struct timespec now;
+
+       clock_gettime(CLOCK_MONOTONIC, &now);
+       long ms = (now.tv_sec - last_double_click.tv_sec) * 1000 +
+               (now.tv_nsec - last_double_click.tv_nsec) / 1000000;
+       last_double_click = now;
+       return ms < double_click_speed && ms >= 0;
+}
+
 void
 cursor_button(struct wl_listener *listener, void *data)
 {
@@ -288,7 +303,8 @@ cursor_button(struct wl_listener *listener, void *data)
        if (!view && surface) {
                /* ...if we've ended up here it must be a layer surface */
                assert(wlr_surface_is_layer_surface(surface));
-               struct wlr_layer_surface_v1 *layer = wlr_layer_surface_v1_from_wlr_surface(surface);
+               struct wlr_layer_surface_v1 *layer =
+                       wlr_layer_surface_v1_from_wlr_surface(surface);
                if (layer->current.keyboard_interactive) {
                        seat_set_focus_layer(&server->seat, layer);
                }
@@ -305,8 +321,13 @@ cursor_button(struct wl_listener *listener, void *data)
        desktop_focus_view(&server->seat, view);
        damage_all_outputs(server);
 
+       if (is_double_click(500) && view_area == LAB_SSD_PART_TITLE) {
+               view_toggle_maximize(view);
+               return;
+       }
+
        resize_edges = ssd_resize_edges(view_area);
-       if (resize_edges != 0) {
+       if (resize_edges) {
                interactive_begin(view, LAB_INPUT_STATE_RESIZE, resize_edges);
                return;
        }