| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #include "NativeSubWindow.h" |
| |
| #include <stdio.h> |
| |
| static Bool WaitForMapNotify(Display *d, XEvent *e, char *arg) { |
| if (e->type == MapNotify && e->xmap.window == (Window)arg) { |
| return 1; |
| } |
| return 0; |
| } |
| |
| static Display *s_display = NULL; |
| |
| EGLNativeWindowType createSubWindow(FBNativeWindowType p_window, |
| int x, |
| int y, |
| int width, |
| int height) { |
| // The call to this function is protected by a lock |
| // in FrameBuffer so it is safe to check and initialize s_display here |
| if (!s_display) { |
| s_display = XOpenDisplay(NULL); |
| } |
| |
| XSetWindowAttributes wa; |
| wa.event_mask = StructureNotifyMask; |
| Window win = XCreateWindow(s_display, |
| p_window, |
| x, |
| y, |
| width, |
| height, |
| 0, |
| CopyFromParent, |
| CopyFromParent, |
| CopyFromParent, |
| CWEventMask, |
| &wa); |
| XMapWindow(s_display,win); |
| XEvent e; |
| XIfEvent(s_display, &e, WaitForMapNotify, (char *)win); |
| return win; |
| } |
| |
| void destroySubWindow(EGLNativeWindowType win) { |
| if (!s_display) { |
| return; |
| } |
| XDestroyWindow(s_display, win); |
| } |