Changeset 0680854 in mainline for uspace/lib/display/src/display.c

Timestamp:

2020-03-20T15:42:27Z (5 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

0b7e394

Parents:

aeb3037

git-author:

Jiri Svoboda <jiri@…> (2020-03-19 19:42:21)

git-committer:

Jiri Svoboda <jiri@…> (2020-03-20 15:42:27)

Message:

Moving window by client request, emulate window placement flags

File:

• uspace/lib/display/src/display.c (modified) (1 diff)

uspace/lib/display/src/display.c

@@ -277 +277 @@
 }
 
+/** Move display window.
+ *
+ * Set new display position of a window. Display position determines where
+ * the origin of the window coordinate system lies. Note that the top left
+ * corner of the window need not coincide with the window's 0,0 point.
+ *
+ * @param window Window
+ * @param dpos New display position
+ * @return EOK on success or an error code
+ */
+errno_t display_window_move(display_window_t *window, gfx_coord2_t *dpos)
+{
+        async_exch_t *exch;
+        aid_t req;
+        ipc_call_t answer;
+        errno_t rc;
+
+        exch = async_exchange_begin(window->display->sess);
+        req = async_send_1(exch, DISPLAY_WINDOW_MOVE, window->id, &answer);
+        rc = async_data_write_start(exch, dpos, sizeof (gfx_coord2_t));
+        async_exchange_end(exch);
+        if (rc != EOK) {
+                async_forget(req);
+                return rc;
+        }
+
+        async_wait_for(req, &rc);
+        if (rc != EOK)
+                return rc;
+
+        return EOK;
+}
+
+
 /** Request a window resize.
  *