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92 lines
3.3 KiB
92 lines
3.3 KiB
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "NativeSubWindow.h"
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struct SubWindowUserData {
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SubWindowRepaintCallback repaint_callback;
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void* repaint_callback_param;
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};
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static LRESULT CALLBACK subWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
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if (uMsg == WM_PAINT) {
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auto user_data =
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(SubWindowUserData*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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if (user_data && user_data->repaint_callback) {
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user_data->repaint_callback(user_data->repaint_callback_param);
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}
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} else if (uMsg == WM_NCDESTROY) {
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SubWindowUserData* user_data =
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(SubWindowUserData*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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delete user_data;
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}
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return DefWindowProcA(hwnd, uMsg, wParam, lParam);
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}
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EGLNativeWindowType createSubWindow(FBNativeWindowType p_window,
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int x, int y,int width, int height,
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SubWindowRepaintCallback repaint_callback,
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void* repaint_callback_param, int hideWindow){
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static const char className[] = "subWin";
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WNDCLASSA wc = {};
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if (!GetClassInfoA(GetModuleHandle(NULL), className, &wc)) {
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wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;// redraw if size changes
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wc.lpfnWndProc = &subWindowProc; // points to window procedure
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wc.cbWndExtra = sizeof(void*) ; // save extra window memory
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wc.lpszClassName = className; // name of window class
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RegisterClassA(&wc);
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}
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EGLNativeWindowType ret = CreateWindowExA(
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WS_EX_NOPARENTNOTIFY, // do not bother our parent window
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className,
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"sub",
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WS_CHILD|WS_DISABLED,
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x,y,width,height,
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p_window,
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NULL,
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NULL,
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NULL);
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auto user_data = new SubWindowUserData();
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user_data->repaint_callback = repaint_callback;
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user_data->repaint_callback_param = repaint_callback_param;
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SetWindowLongPtr(ret, GWLP_USERDATA, (LONG_PTR)user_data);
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if (!hideWindow)
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ShowWindow(ret, SW_SHOW);
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return ret;
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}
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void destroySubWindow(EGLNativeWindowType win){
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PostMessage(win, WM_CLOSE, 0, 0);
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}
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int moveSubWindow(FBNativeWindowType p_parent_window,
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EGLNativeWindowType p_sub_window,
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int x,
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int y,
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int width,
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int height) {
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BOOL ret = MoveWindow(p_sub_window,
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x,
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y,
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width,
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height,
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TRUE);
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return ret;
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}
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