Changeset 5d62130 in mainline for uspace/srv

Timestamp:

2022-11-13T10:56:43Z (3 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

a130983

Parents:

a5c7b865

Message:

Taskbar should be always on top

We add support for topmost windows and make the taskbar window topmost.

Location:

uspace/srv/hid/display

Files:

• display.c (modified) (3 diffs)
• display.h (modified) (1 diff)
• test/display.c (modified) (1 diff)

uspace/srv/hid/display/display.c

@@ -313 +313 @@
 }
 
+/** Add window to window list.
+ *
+ * Topmost windows are enlisted before any other window. Non-topmost
+ * windows are enlisted before any other non-topmost window.
+ *
+ * @param display Display
+ * @param wnd Window
+ */
+void ds_display_enlist_window(ds_display_t *display, ds_window_t *wnd)
+{
+        ds_window_t *w;
+
+        assert(wnd->display == display);
+        assert(!link_used(&wnd->ldwindows));
+
+        if ((wnd->flags & wndf_topmost) == 0) {
+                /* Find the first non-topmost window */
+                w = ds_display_first_window(display);
+                while (w != NULL && (w->flags & wndf_topmost) != 0)
+                        w = ds_display_next_window(w);
+
+                if (w != NULL)
+                        list_insert_before(&wnd->ldwindows, &w->ldwindows);
+                else
+                        list_append(&wnd->ldwindows, &display->windows);
+        } else {
+                /* Insert at the beginning */
+                list_prepend(&wnd->ldwindows, &display->windows);
+        }
+
+}
+
 /** Add window to display.
  *
@@ -326 +358 @@
 
         wnd->display = display;
-        list_prepend(&wnd->ldwindows, &display->windows);
+        ds_display_enlist_window(display, wnd);
 
         /* Notify window managers about the new window */
@@ -369 +401 @@
 
         list_remove(&wnd->ldwindows);
-        list_prepend(&wnd->ldwindows, &wnd->display->windows);
+        ds_display_enlist_window(wnd->display, wnd);
 }
 

uspace/srv/hid/display/display.h

@@ -67 +67 @@
 extern ds_window_t *ds_display_find_window(ds_display_t *, ds_wnd_id_t);
 extern ds_window_t *ds_display_window_by_pos(ds_display_t *, gfx_coord2_t *);
+extern void ds_display_enlist_window(ds_display_t *, ds_window_t *);
 extern void ds_display_add_window(ds_display_t *, ds_window_t *);
 extern void ds_display_remove_window(ds_window_t *);

uspace/srv/hid/display/test/display.c

@@ -195 +195 @@
 }
 
+/** Test ds_display_enlist_window() */
+PCUT_TEST(display_enlist_window)
+{
+        ds_display_t *disp;
+        ds_client_t *client;
+        ds_seat_t *seat;
+        ds_window_t *w0;
+        ds_window_t *w1;
+        ds_window_t *w2;
+        ds_window_t *w3;
+        ds_window_t *w;
+        display_wnd_params_t params;
+        bool called_cb = false;
+        errno_t rc;
+
+        rc = ds_display_create(NULL, df_none, &disp);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        rc = ds_client_create(disp, &test_ds_client_cb, &called_cb, &client);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        rc = ds_seat_create(disp, &seat);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        display_wnd_params_init(&params);
+        params.rect.p0.x = params.rect.p0.y = 0;
+        params.rect.p1.x = params.rect.p1.y = 100;
+
+        /* Regular windows */
+
+        rc = ds_window_create(client, &params, &w0);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        rc = ds_window_create(client, &params, &w1);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        /* Topmost windows */
+
+        params.flags |= wndf_topmost;
+
+        rc = ds_window_create(client, &params, &w2);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        rc = ds_window_create(client, &params, &w3);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        /* Delist w1 and w2 */
+        list_remove(&w1->ldwindows);
+        list_remove(&w2->ldwindows);
+
+        /* Enlist the windows back and check their order */
+        ds_display_enlist_window(disp, w1);
+        ds_display_enlist_window(disp, w2);
+
+        w = ds_display_first_window(disp);
+        PCUT_ASSERT_EQUALS(w2, w);
+        w = ds_display_next_window(w);
+        PCUT_ASSERT_EQUALS(w3, w);
+        w = ds_display_next_window(w);
+        PCUT_ASSERT_EQUALS(w1, w);
+        w = ds_display_next_window(w);
+        PCUT_ASSERT_EQUALS(w0, w);
+        w = ds_display_next_window(w);
+        PCUT_ASSERT_EQUALS(NULL, w);
+
+        ds_window_destroy(w0);
+        ds_window_destroy(w1);
+        ds_window_destroy(w2);
+        ds_window_destroy(w3);
+        ds_seat_destroy(seat);
+        ds_client_destroy(client);
+        ds_display_destroy(disp);
+}
+
 /** Test ds_display_window_to_top() */
 PCUT_TEST(display_window_to_top)