1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include "NativeSubWindow.h" 17 18 static Bool WaitForMapNotify(Display *d, XEvent *e, char *arg) 19 { 20 if (e->type == MapNotify && e->xmap.window == (Window)arg) { 21 return 1; 22 } 23 return 0; 24 } 25 26 static Display *s_display = NULL; 27 28 EGLNativeWindowType createSubWindow(FBNativeWindowType p_window, 29 EGLNativeDisplayType* display_out, 30 int x, int y,int width, int height){ 31 32 // The call to this function is protected by a lock 33 // in FrameBuffer so it is safe to check and initialize s_display here 34 if (!s_display) s_display = XOpenDisplay(NULL); 35 *display_out = s_display; 36 37 XSetWindowAttributes wa; 38 wa.event_mask = StructureNotifyMask; 39 Window win = XCreateWindow(*display_out,p_window,x,y, width,height,0,CopyFromParent,CopyFromParent,CopyFromParent,CWEventMask,&wa); 40 XMapWindow(*display_out,win); 41 XEvent e; 42 XIfEvent(*display_out, &e, WaitForMapNotify, (char *)win); 43 return win; 44 } 45 46 void destroySubWindow(EGLNativeDisplayType dis,EGLNativeWindowType win){ 47 XDestroyWindow(dis, win); 48 } 49
