Changeset 17c0f5d in mainline for uspace/srv/hid/display/window.c

Timestamp:

2023-01-05T19:28:22Z (16 months ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ededdc4

Parents:

5d86797

Message:

Switch to another window when window is minimized

And do it properly. Never switch to a minimized window. Only switch to
a system window (Task bar) when no other is available.

File:

• uspace/srv/hid/display/window.c (modified) (4 diffs)

uspace/srv/hid/display/window.c

@@ -67 +67 @@
  * @param client Client owning the window
  * @param params Window parameters
- * @param rgc Place to store pointer to new GC.
+ * @param rwnd Place to store pointer to new window.
  *
  * @return EOK on success or an error code
  */
 errno_t ds_window_create(ds_client_t *client, display_wnd_params_t *params,
-    ds_window_t **rgc)
+    ds_window_t **rwnd)
 {
         ds_window_t *wnd = NULL;
@@ -155 +155 @@
         (void) ds_display_paint(wnd->display, NULL);
 
-        *rgc = wnd;
+        *rwnd = wnd;
         return EOK;
 error:
@@ -867 +867 @@
                 return EOK;
 
+        ds_window_unfocus(wnd);
+
         wnd->flags |= wndf_minimized;
         (void) ds_display_paint(wnd->display, NULL);
@@ -1044 +1046 @@
 }
 
+/** Find alternate window with the allowed flags.
+ *
+ * An alternate window is a *different* window that is preferably previous
+ * in the display order and only has the @a allowed flags.
+ *
+ * @param wnd Window
+ * @param allowed_flags Bitmask of flags that the window is allowed to have
+ *
+ * @return Alternate window matching the criteria or @c NULL if there is none
+ */
+ds_window_t *ds_window_find_alt(ds_window_t *wnd,
+    display_wnd_flags_t allowed_flags)
+{
+        ds_window_t *nwnd;
+
+        /* Try preceding windows in display order */
+        nwnd = ds_display_prev_window(wnd);
+        while (nwnd != NULL && (nwnd->flags & ~allowed_flags) != 0) {
+                nwnd = ds_display_prev_window(nwnd);
+        }
+
+        /* Do we already have a matching window? */
+        if (nwnd != NULL && (nwnd->flags & ~allowed_flags) == 0) {
+                return nwnd;
+        }
+
+        /* Try succeeding windows in display order */
+        nwnd = ds_display_last_window(wnd->display);
+        while (nwnd != NULL && nwnd != wnd &&
+            (nwnd->flags & ~allowed_flags) != 0) {
+                nwnd = ds_display_prev_window(nwnd);
+        }
+
+        if (nwnd == wnd)
+                return NULL;
+
+        return nwnd;
+}
+
+/** Remove focus from window.
+ *
+ * Used to switch focus to another window when closing or minimizing window.
+ *
+ * @param wnd Window
+ */
+void ds_window_unfocus(ds_window_t *wnd)
+{
+        ds_seat_t *seat;
+
+        /* Make sure window is no longer focused in any seat */
+        seat = ds_display_first_seat(wnd->display);
+        while (seat != NULL) {
+                ds_seat_unfocus_wnd(seat, wnd);
+                seat = ds_display_next_seat(seat);
+        }
+}
+
 /** Window memory GC invalidate callback.
  *