409 lines
12 KiB
C
409 lines
12 KiB
C
/*
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* Copyright (C) 2004 Mike Hearn, for CodeWeavers
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* Copyright (C) 2005 Robert Shearman
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* There are two types of window involved here. The first is the
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* listener window. This is like the taskbar in Windows. It doesn't
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* ever appear on-screen in our implementation, instead we create
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* individual mini "adaptor" windows which are docked by the native
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* systray host.
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*
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* In future for those who don't have a systray we could make the
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* listener window more clever so it can draw itself like the Windows
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* tray area does (with a clock and stuff).
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*/
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#include <assert.h>
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#define UNICODE
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#define _WIN32_IE 0x500
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#include <windows.h>
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#include <wine/debug.h>
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#include <wine/list.h>
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#include "explorer_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(systray);
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#define IS_OPTION_FALSE(ch) \
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((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
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const static WCHAR adaptor_classname[] = /* Adaptor */ {'A','d','a','p','t','o','r',0};
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/* tray state */
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struct tray
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{
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HWND window;
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struct list icons;
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};
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/* an individual systray icon, unpacked from the NOTIFYICONDATA and always in unicode */
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struct icon
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{
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struct list entry;
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HICON image; /* the image to render */
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HWND owner; /* the HWND passed in to the Shell_NotifyIcon call */
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HWND window; /* the adaptor window */
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UINT id; /* the unique id given by the app */
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UINT callback_message;
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};
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static struct tray tray;
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static BOOL hide_systray;
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/* adaptor code */
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#define ICON_SIZE GetSystemMetrics(SM_CXSMICON)
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/* space around icon (forces icon to center of KDE systray area) */
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#define ICON_BORDER 4
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static LRESULT WINAPI adaptor_wndproc(HWND window, UINT msg,
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WPARAM wparam, LPARAM lparam)
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{
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struct icon *icon = NULL;
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BOOL ret;
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WINE_TRACE("hwnd=%p, msg=0x%x\n", window, msg);
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/* set the icon data for the window from the data passed into CreateWindow */
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if (msg == WM_NCCREATE)
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SetWindowLongPtrW(window, GWLP_USERDATA, (LPARAM)((const CREATESTRUCT *)lparam)->lpCreateParams);
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icon = (struct icon *) GetWindowLongPtr(window, GWLP_USERDATA);
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switch (msg)
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{
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case WM_PAINT:
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{
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RECT rc;
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int top;
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PAINTSTRUCT ps;
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HDC hdc;
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WINE_TRACE("painting\n");
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hdc = BeginPaint(window, &ps);
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GetClientRect(window, &rc);
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/* calculate top so we can deal with arbitrary sized trays */
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top = ((rc.bottom-rc.top)/2) - ((ICON_SIZE)/2);
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DrawIconEx(hdc, (ICON_BORDER/2), top, icon->image,
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ICON_SIZE, ICON_SIZE, 0, 0, DI_DEFAULTSIZE|DI_NORMAL);
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EndPaint(window, &ps);
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break;
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}
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case WM_MOUSEMOVE:
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case WM_LBUTTONDOWN:
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case WM_LBUTTONUP:
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case WM_RBUTTONDOWN:
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case WM_RBUTTONUP:
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case WM_MBUTTONDOWN:
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case WM_MBUTTONUP:
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case WM_LBUTTONDBLCLK:
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case WM_RBUTTONDBLCLK:
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case WM_MBUTTONDBLCLK:
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{
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/* notify the owner hwnd of the message */
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WINE_TRACE("relaying 0x%x\n", msg);
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ret = PostMessage(icon->owner, icon->callback_message, (WPARAM) icon->id, (LPARAM) msg);
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if (!ret && (GetLastError() == ERROR_INVALID_HANDLE))
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{
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WINE_WARN("application window was destroyed without removing "
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"notification icon, removing automatically\n");
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DestroyWindow(window);
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}
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return 0;
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}
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case WM_NCDESTROY:
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SetWindowLongPtr(window, GWLP_USERDATA, 0);
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list_remove(&icon->entry);
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DestroyIcon(icon->image);
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HeapFree(GetProcessHeap(), 0, icon);
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break;
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}
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return DefWindowProc(window, msg, wparam, lparam);
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}
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/* listener code */
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static struct icon *get_icon(HWND owner, UINT id)
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{
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struct icon *this;
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/* search for the icon */
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LIST_FOR_EACH_ENTRY( this, &tray.icons, struct icon, entry )
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if ((this->id == id) && (this->owner == owner)) return this;
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return NULL;
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}
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static void modify_icon(const NOTIFYICONDATAW *nid)
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{
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struct icon *icon;
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WINE_TRACE("id=0x%x, hwnd=%p\n", nid->uID, nid->hWnd);
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/* demarshal the request from the NID */
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icon = get_icon(nid->hWnd, nid->uID);
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if (!icon)
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{
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WINE_WARN("Invalid icon ID (0x%x) for HWND %p\n", nid->uID, nid->hWnd);
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return;
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}
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if (nid->uFlags & NIF_ICON)
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{
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if (icon->image) DestroyIcon(icon->image);
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icon->image = CopyIcon(nid->hIcon);
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RedrawWindow(icon->window, NULL, NULL, RDW_ERASE | RDW_INVALIDATE | RDW_UPDATENOW);
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}
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if (nid->uFlags & NIF_MESSAGE)
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{
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icon->callback_message = nid->uCallbackMessage;
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}
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}
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static void add_icon(const NOTIFYICONDATAW *nid)
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{
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RECT rect;
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struct icon *icon;
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const static WCHAR adaptor_windowname[] = /* Wine System Tray Adaptor */ {'W','i','n','e',' ','S','y','s','t','e','m',' ','T','r','a','y',' ','A','d','a','p','t','o','r',0};
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WINE_TRACE("id=0x%x, hwnd=%p\n", nid->uID, nid->hWnd);
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if ((icon = get_icon(nid->hWnd, nid->uID)))
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{
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WINE_WARN("duplicate tray icon add, buggy app?\n");
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return;
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}
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if (!(icon = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*icon))))
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{
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WINE_ERR("out of memory\n");
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return;
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}
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icon->id = nid->uID;
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icon->owner = nid->hWnd;
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icon->image = NULL;
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rect.left = 0;
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rect.top = 0;
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rect.right = GetSystemMetrics(SM_CXSMICON) + ICON_BORDER;
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rect.bottom = GetSystemMetrics(SM_CYSMICON) + ICON_BORDER;
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AdjustWindowRect(&rect, WS_CLIPSIBLINGS | WS_CAPTION, FALSE);
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/* create the adaptor window */
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icon->window = CreateWindowEx(WS_EX_TRAYWINDOW, adaptor_classname,
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adaptor_windowname,
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WS_CLIPSIBLINGS | WS_CAPTION,
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CW_USEDEFAULT, CW_USEDEFAULT,
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rect.right - rect.left,
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rect.bottom - rect.top,
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NULL, NULL, NULL, icon);
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if (!hide_systray)
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ShowWindow(icon->window, SW_SHOWNA);
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list_add_tail(&tray.icons, &icon->entry);
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modify_icon(nid);
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}
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static void delete_icon(const NOTIFYICONDATAW *nid)
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{
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struct icon *icon = get_icon(nid->hWnd, nid->uID);
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WINE_TRACE("id=0x%x, hwnd=%p\n", nid->uID, nid->hWnd);
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if (!icon)
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{
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WINE_ERR("invalid tray icon ID specified: %ud\n", nid->uID);
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return;
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}
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DestroyWindow(icon->window);
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}
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static void handle_incoming(HWND hwndSource, COPYDATASTRUCT *cds)
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{
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NOTIFYICONDATAW nid;
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if (cds->cbData < sizeof(nid)) return;
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memcpy(&nid, cds->lpData, sizeof(nid));
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/* FIXME: if statement only needed because we don't support interprocess
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* icon handles */
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if ((nid.uFlags & NIF_ICON) && (cds->cbData >= sizeof(nid) + 2 * sizeof(BITMAP)))
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{
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LONG cbMaskBits;
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LONG cbColourBits;
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BITMAP bmMask;
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BITMAP bmColour;
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const char *buffer = cds->lpData;
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buffer += sizeof(nid);
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memcpy(&bmMask, buffer, sizeof(bmMask));
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buffer += sizeof(bmMask);
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memcpy(&bmColour, buffer, sizeof(bmColour));
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buffer += sizeof(bmColour);
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cbMaskBits = (bmMask.bmPlanes * bmMask.bmWidth * bmMask.bmHeight * bmMask.bmBitsPixel) / 8;
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cbColourBits = (bmColour.bmPlanes * bmColour.bmWidth * bmColour.bmHeight * bmColour.bmBitsPixel) / 8;
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if (cds->cbData < sizeof(nid) + 2 * sizeof(BITMAP) + cbMaskBits + cbColourBits)
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{
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WINE_ERR("buffer underflow\n");
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return;
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}
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/* sanity check */
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if ((bmColour.bmWidth != bmMask.bmWidth) || (bmColour.bmHeight != bmMask.bmHeight))
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{
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WINE_ERR("colour and mask bitmaps aren't consistent\n");
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return;
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}
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nid.hIcon = CreateIcon(NULL, bmColour.bmWidth, bmColour.bmHeight,
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bmColour.bmPlanes, bmColour.bmBitsPixel,
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buffer, buffer + cbMaskBits);
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}
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switch (cds->dwData)
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{
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case NIM_ADD:
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add_icon(&nid);
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break;
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case NIM_DELETE:
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delete_icon(&nid);
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break;
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case NIM_MODIFY:
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modify_icon(&nid);
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break;
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default:
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WINE_FIXME("unhandled tray message: %ld\n", cds->dwData);
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break;
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}
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/* FIXME: if statement only needed because we don't support interprocess
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* icon handles */
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if (nid.uFlags & NIF_ICON)
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DestroyIcon(nid.hIcon);
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}
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static LRESULT WINAPI listener_wndproc(HWND window, UINT msg,
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WPARAM wparam, LPARAM lparam)
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{
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if (msg == WM_COPYDATA)
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handle_incoming((HWND)wparam, (COPYDATASTRUCT *)lparam);
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return DefWindowProc(window, msg, wparam, lparam);
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}
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static BOOL is_systray_hidden(void)
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{
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const WCHAR show_systray_keyname[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
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'X','1','1',' ','D','r','i','v','e','r',0};
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const WCHAR show_systray_valuename[] = {'S','h','o','w','S','y','s','t','r','a','y',0};
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HKEY hkey;
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BOOL ret = FALSE;
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/* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */
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if (RegOpenKeyW(HKEY_CURRENT_USER, show_systray_keyname, &hkey) == ERROR_SUCCESS)
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{
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WCHAR value[10];
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DWORD type, size = sizeof(value);
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if (RegQueryValueExW(hkey, show_systray_valuename, 0, &type, (LPBYTE)&value, &size) == ERROR_SUCCESS)
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{
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ret = IS_OPTION_FALSE(value[0]);
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}
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RegCloseKey(hkey);
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}
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return ret;
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}
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/* this function creates the the listener window */
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void initialize_systray(void)
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{
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WNDCLASSEX class;
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static const WCHAR classname[] = /* Shell_TrayWnd */ {'S','h','e','l','l','_','T','r','a','y','W','n','d',0};
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static const WCHAR winname[] = /* Wine Systray Listener */
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{'W','i','n','e',' ','S','y','s','t','r','a','y',' ','L','i','s','t','e','n','e','r',0};
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WINE_TRACE("initiaizing\n");
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hide_systray = is_systray_hidden();
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list_init(&tray.icons);
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/* register the systray listener window class */
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ZeroMemory(&class, sizeof(class));
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class.cbSize = sizeof(class);
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class.lpfnWndProc = &listener_wndproc;
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class.hInstance = NULL;
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class.hIcon = LoadIcon(0, IDI_WINLOGO);
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class.hCursor = LoadCursor(0, IDC_ARROW);
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class.hbrBackground = (HBRUSH) COLOR_WINDOW;
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class.lpszClassName = (WCHAR *) &classname;
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if (!RegisterClassEx(&class))
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{
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WINE_ERR("Could not register SysTray window class\n");
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return;
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}
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/* now register the adaptor window class */
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ZeroMemory(&class, sizeof(class));
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class.cbSize = sizeof(class);
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class.lpfnWndProc = adaptor_wndproc;
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class.hInstance = NULL;
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class.hIcon = LoadIcon(0, IDI_WINLOGO);
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class.hCursor = LoadCursor(0, IDC_ARROW);
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class.hbrBackground = (HBRUSH) COLOR_WINDOW;
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class.lpszClassName = adaptor_classname;
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class.style = CS_SAVEBITS | CS_DBLCLKS;
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if (!RegisterClassEx(&class))
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{
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WINE_ERR("Could not register adaptor class\n");
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return;
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}
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tray.window = CreateWindow(classname, winname, WS_OVERLAPPED,
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CW_USEDEFAULT, CW_USEDEFAULT,
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0, 0, 0, 0, 0, 0);
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if (!tray.window)
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{
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WINE_ERR("Could not create tray window\n");
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return;
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}
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}
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