vo: add vo_drop_files()

Intended to be used for GUI drag & drop.

2 files changed, 26 insertions, 0 deletions

diff --git a/video/out/vo.c b/video/out/vo.c
index 99efc9eec9..689b6b6da1 100644
--- a/video/out/vo.c
+++ b/video/out/vo.c
@@ -619,3 +619,28 @@ void vo_mouse_movement(struct vo *vo, int posx, int posy)
     vo_control(vo, VOCTRL_WINDOW_TO_OSD_COORDS, p);
     mp_input_set_mouse_pos(vo->input_ctx, p[0], p[1]);
 }
+
+static void run_cmd(struct vo *vo, const char **cmd)
+{
+    mp_cmd_t *cmdt = mp_input_parse_cmd_strv(vo->log,
+                                             MP_ON_OSD_AUTO,
+                                             cmd, "<window>");
+    mp_input_queue_cmd(vo->input_ctx, cmdt);
+}
+
+// Handle drag & drop event of a list of files on the VO window.
+void vo_drop_files(struct vo *vo, int num_files, char **files)
+{
+    for (int i = 0; i < num_files; i++) {
+        const char *cmd[] = {
+            "loadfile",
+            files[i],
+            /* Start playing the dropped files right away */
+            (i == 0) ? "replace" : "append",
+            NULL
+        };
+
+        MP_VERBOSE(vo, "received dropped file: %s\n", files[i]);
+        run_cmd(vo, cmd);
+    }
+}
diff --git a/video/out/vo.h b/video/out/vo.h
index 351dd3f0ae..2309e905d1 100644
--- a/video/out/vo.h
+++ b/video/out/vo.h
@@ -309,6 +309,7 @@ struct mp_keymap {
 int lookup_keymap_table(const struct mp_keymap *map, int key);
 
 void vo_mouse_movement(struct vo *vo, int posx, int posy);
+void vo_drop_files(struct vo *vo, int num_files, char **files);
 
 struct mp_osd_res;
 void vo_get_src_dst_rects(struct vo *vo, struct mp_rect *out_src,