Changeset fd777a2 in mainline for uspace/srv/hid/display/display.c

Timestamp:

2019-11-29T23:58:15Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

879d7245

Parents:

cf32dbd

Message:

Add list of all windows on a display, in stacking order

File:

• uspace/srv/hid/display/display.c (modified) (2 diffs)

uspace/srv/hid/display/display.c

@@ -61 +61 @@
         disp->next_wnd_id = 1;
         list_initialize(&disp->seats);
+        list_initialize(&disp->windows);
         *rdisp = disp;
         return EOK;
@@ -163 +164 @@
 }
 
+/** Add window to display.
+ *
+ * @param display Display
+ * @param wnd Window
+ */
+void ds_display_add_window(ds_display_t *display, ds_window_t *wnd)
+{
+        assert(wnd->display == NULL);
+        assert(!link_used(&wnd->ldwindows));
+
+        wnd->display = display;
+        list_prepend(&wnd->ldwindows, &display->windows);
+}
+
+/** Remove window from display.
+ *
+ * @param wnd Window
+ */
+void ds_display_remove_window(ds_window_t *wnd)
+{
+        list_remove(&wnd->ldwindows);
+        wnd->display = NULL;
+}
+
+/** Get first window in display.
+ *
+ * @param display Display
+ * @return First window or @c NULL if there is none
+ */
+ds_window_t *ds_display_first_window(ds_display_t *display)
+{
+        link_t *link = list_first(&display->windows);
+
+        if (link == NULL)
+                return NULL;
+
+        return list_get_instance(link, ds_window_t, ldwindows);
+}
+
+/** Get next window in client.
+ *
+ * @param wnd Current window
+ * @return Next window or @c NULL if there is none
+ */
+ds_window_t *ds_display_next_window(ds_window_t *wnd)
+{
+        link_t *link = list_next(&wnd->ldwindows, &wnd->display->windows);
+
+        if (link == NULL)
+                return NULL;
+
+        return list_get_instance(link, ds_window_t, ldwindows);
+}
+
 /** Post keyboard event to a display.
  *