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https://github.com/reactos/reactos.git
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135 lines
4.4 KiB
C++
135 lines
4.4 KiB
C++
/*
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* Copyright 2004 Martin Fuchs
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*
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* Pass on icon notification messages to the systray implementation
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* in the currently running shell.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "precomp.h"
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WINE_DEFAULT_DEBUG_CHANNEL(shell);
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/* copy data structure for tray notifications */
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typedef struct TrayNotifyCDS_Dummy {
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DWORD cookie;
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DWORD notify_code;
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DWORD nicon_data[1]; // placeholder for NOTIFYICONDATA structure
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} TrayNotifyCDS_Dummy;
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/* The only difference between Shell_NotifyIconA and Shell_NotifyIconW is the call to SendMessageA/W. */
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static BOOL SHELL_NotifyIcon(DWORD dwMessage, void* pnid, HWND nid_hwnd, DWORD nid_size, BOOL unicode)
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{
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HWND hwnd;
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COPYDATASTRUCT data;
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BOOL ret = FALSE;
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int len = FIELD_OFFSET(TrayNotifyCDS_Dummy, nicon_data) + nid_size;
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TrayNotifyCDS_Dummy* pnotify_data = (TrayNotifyCDS_Dummy*) alloca(len);
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pnotify_data->cookie = 1;
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pnotify_data->notify_code = dwMessage;
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memcpy(&pnotify_data->nicon_data, pnid, nid_size);
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data.dwData = 1;
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data.cbData = len;
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data.lpData = pnotify_data;
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for(hwnd = 0; (hwnd = FindWindowExW(0, hwnd, L"Shell_TrayWnd", NULL)); )
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if ((unicode ? SendMessageW : SendMessageA)(hwnd, WM_COPYDATA, (WPARAM)nid_hwnd, (LPARAM)&data))
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ret = TRUE;
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return ret;
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}
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/*************************************************************************
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* Shell_NotifyIcon [SHELL32.296]
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* Shell_NotifyIconA [SHELL32.297]
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*/
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BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid)
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{
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NOTIFYICONDATAW nidW;
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DWORD cbSize;
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/* Validate the cbSize as Windows XP does */
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if (pnid->cbSize != NOTIFYICONDATAA_V1_SIZE &&
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pnid->cbSize != NOTIFYICONDATAA_V2_SIZE &&
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pnid->cbSize != sizeof(NOTIFYICONDATAA))
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{
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WARN("Invalid cbSize (%d) - using only Win95 fields (size=%d)\n",
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pnid->cbSize, NOTIFYICONDATAA_V1_SIZE);
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cbSize = NOTIFYICONDATAA_V1_SIZE;
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}
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else
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cbSize = pnid->cbSize;
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ZeroMemory(&nidW, sizeof(nidW));
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nidW.cbSize = sizeof(nidW);
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nidW.hWnd = pnid->hWnd;
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nidW.uID = pnid->uID;
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nidW.uFlags = pnid->uFlags;
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nidW.uCallbackMessage = pnid->uCallbackMessage;
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nidW.hIcon = pnid->hIcon;
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/* szTip */
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if (pnid->uFlags & NIF_TIP)
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MultiByteToWideChar(CP_ACP, 0, pnid->szTip, -1, nidW.szTip, _countof(nidW.szTip));
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if (cbSize >= NOTIFYICONDATAA_V2_SIZE)
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{
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nidW.dwState = pnid->dwState;
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nidW.dwStateMask = pnid->dwStateMask;
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/* szInfo, szInfoTitle */
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if (pnid->uFlags & NIF_INFO)
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{
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MultiByteToWideChar(CP_ACP, 0, pnid->szInfo, -1, nidW.szInfo, _countof(nidW.szInfo));
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MultiByteToWideChar(CP_ACP, 0, pnid->szInfoTitle, -1, nidW.szInfoTitle, _countof(nidW.szInfoTitle));
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}
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nidW.uTimeout = pnid->uTimeout;
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nidW.dwInfoFlags = pnid->dwInfoFlags;
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}
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if (cbSize >= sizeof(NOTIFYICONDATAA))
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nidW.hBalloonIcon = pnid->hBalloonIcon;
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return Shell_NotifyIconW(dwMessage, &nidW);
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}
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/*************************************************************************
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* Shell_NotifyIconW [SHELL32.298]
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*/
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BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW pnid)
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{
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DWORD cbSize;
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/* Validate the cbSize so that WM_COPYDATA doesn't crash the application */
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if (pnid->cbSize != NOTIFYICONDATAW_V1_SIZE &&
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pnid->cbSize != NOTIFYICONDATAW_V2_SIZE &&
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pnid->cbSize != sizeof(NOTIFYICONDATAW))
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{
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WARN("Invalid cbSize (%d) - using only Win95 fields (size=%d)\n",
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pnid->cbSize, NOTIFYICONDATAW_V1_SIZE);
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cbSize = NOTIFYICONDATAA_V1_SIZE;
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}
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else
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cbSize = pnid->cbSize;
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return SHELL_NotifyIcon(dwMessage, pnid, pnid->hWnd, cbSize, TRUE);
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}
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