command: add window-minimized property (X11 only)

More or less requested by #1237.

Should be simple to extend this to other backends.

1 files changed, 19 insertions, 0 deletions

diff --git a/video/out/x11_common.c b/video/out/x11_common.c
index 04f475ec5f..1779c5c29e 100644
--- a/video/out/x11_common.c
+++ b/video/out/x11_common.c
@@ -952,6 +952,8 @@ int vo_x11_check_events(struct vo *vo)
                     MP_VERBOSE(x11, "not waiting for MapNotify\n");
                     x11->pseudo_mapped = true;
                 }
+            } else if (Event.xproperty.atom == x11->atom_wm_state) {
+                x11->pending_vo_events |= VO_EVENT_WIN_STATE;
             }
             break;
         default:
@@ -1229,6 +1231,7 @@ static void vo_x11_create_window(struct vo *vo, XVisualInfo *vis,
     }
 
     x11->atom_frame_exts = XA(x11, _NET_FRAME_EXTENTS);
+    x11->atom_wm_state = XA(x11, _NET_WM_STATE);
 }
 
 static void vo_x11_map_window(struct vo *vo, struct mp_rect rc)
@@ -1584,6 +1587,22 @@ int vo_x11_control(struct vo *vo, int *events, int request, void *arg)
         }
         return VO_TRUE;
     }
+    case VOCTRL_GET_WIN_STATE: {
+        if (!x11->window)
+            return VO_FALSE;
+        int num_elems;
+        long *elems = x11_get_property(x11, x11->window, x11->atom_wm_state,
+                                       XA_ATOM, 32, &num_elems);
+        if (elems) {
+            Atom hidden = XA(x11, _NET_WM_STATE_HIDDEN);
+            for (int n = 0; n < num_elems; n++) {
+                if (elems[n] == hidden)
+                    *(int *)arg |= VO_WIN_STATE_MINIMIZED;
+            }
+            XFree(elems);
+        }
+        return VO_TRUE;
+    }
     case VOCTRL_SET_CURSOR_VISIBILITY:
         vo_set_cursor_hidden(vo, !(*(bool *)arg));
         return VO_TRUE;