mirror of
https://github.com/FirebirdSQL/firebird.git
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127 lines
2.9 KiB
C++
127 lines
2.9 KiB
C++
/*
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* PROGRAM: Interprocess Client
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* MODULE: ipcevent.c
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* DESCRIPTION: Interprocess interface event window initializer
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#include "firebird.h"
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#include <windows.h>
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#include "../ipserver/ipcli_proto.h"
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#include "../ipserver/ipevt_proto.h"
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#include "../ipserver/ips.h"
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/* instance handle */
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extern HINSTANCE hIBDLLInstance;
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/* callback for event handling */
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LRESULT CALLBACK IBEventWindowFunc(HWND, UINT, WPARAM, LPARAM);
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int IPC_window_init(
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char *class_name,
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char *task_name, HWND * event_window, HANDLE event_sem)
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{
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/**************************************
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*
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* I P C _ w i n d o w _ i n i t
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*
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**************************************
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*
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* Functional description
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* Initialize the window used to process events.
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*
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**************************************/
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HWND hWnd;
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WNDCLASS wcl;
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DWORD result;
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MSG msg;
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wcl.hInstance = hIBDLLInstance;
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wcl.lpszClassName = class_name;
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wcl.lpfnWndProc = IBEventWindowFunc;
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wcl.style = 0;
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wcl.hIcon = LoadIcon(NULL, IDI_APPLICATION);
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wcl.hCursor = LoadCursor(NULL, IDC_ARROW);
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wcl.lpszMenuName = NULL;
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wcl.cbClsExtra = 0;
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wcl.cbWndExtra = 0;
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wcl.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
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if (!RegisterClass(&wcl)) {
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result = GetLastError();
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return 0;
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}
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hWnd = CreateWindow(class_name,
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task_name,
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WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU |
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WS_MINIMIZEBOX, CW_USEDEFAULT, CW_USEDEFAULT,
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CW_USEDEFAULT, CW_USEDEFAULT, HWND_DESKTOP, NULL,
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hIBDLLInstance, NULL);
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ShowWindow(hWnd, SW_HIDE);
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UpdateWindow(hWnd);
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/* return handle and signal with semaphore */
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*event_window = hWnd;
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ReleaseSemaphore(event_sem, 1L, NULL);
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while (GetMessage(&msg, NULL, 0, 0)) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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return msg.wParam;
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}
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LRESULT CALLBACK IBEventWindowFunc(HWND hWnd,
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UINT message, WPARAM wParam, LPARAM lParam)
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{
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COPYDATASTRUCT *cpdata;
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switch (message) {
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case WM_CLOSE:
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DestroyWindow(hWnd);
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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case WM_COPYDATA:
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cpdata = (COPYDATASTRUCT *) lParam;
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IPC_process_event(cpdata->dwData, cpdata->cbData, cpdata->lpData);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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return 0;
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}
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