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![Tim Clem](/assets/img/avatar_default.png)
NtUserMessageCall(..., NtUserSendDriverMessage) does not ensure the validity of the hwnd, so this check will incorrectly fail if the last error was ERROR_INVALID_WINDOW_HANDLE by coincidence. The notify_owner call immediately following this code will catch a destroyed owner hwnd.
385 lines
11 KiB
C
385 lines
11 KiB
C
/*
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* Mac driver system tray management
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*
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* Copyright (C) 2004 Mike Hearn, for CodeWeavers
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* Copyright (C) 2005 Robert Shearman
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* Copyright (C) 2008 Alexandre Julliard
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* Copyright (C) 2012, 2013 Ken Thomases for CodeWeavers Inc.
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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 St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include "config.h"
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#include "macdrv.h"
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#include "windef.h"
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#include "winuser.h"
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#include "shellapi.h"
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#include "wine/list.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(systray);
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/* an individual systray icon */
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struct tray_icon
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{
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struct list entry;
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HWND owner; /* the HWND passed in to the Shell_NotifyIcon call */
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UINT id; /* the unique id given by the app */
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UINT callback_message;
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HICON image; /* the image to render */
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WCHAR tiptext[128]; /* tooltip text */
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DWORD state; /* state flags */
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macdrv_status_item status_item;
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UINT version;
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};
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static struct list icon_list = LIST_INIT(icon_list);
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static BOOL delete_icon(struct tray_icon *icon);
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/***********************************************************************
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* cleanup_icons
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*
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* Delete all systray icons owned by a given window.
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*/
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static void cleanup_icons(HWND hwnd)
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{
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struct tray_icon *icon, *next;
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LIST_FOR_EACH_ENTRY_SAFE(icon, next, &icon_list, struct tray_icon, entry)
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if (icon->owner == hwnd) delete_icon(icon);
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}
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/***********************************************************************
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* get_icon
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*
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* Retrieves an icon record by owner window and ID.
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*/
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static struct tray_icon *get_icon(HWND owner, UINT id)
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{
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struct tray_icon *this;
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LIST_FOR_EACH_ENTRY(this, &icon_list, struct tray_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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/***********************************************************************
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* modify_icon
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*
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* Modifies an existing tray icon and updates its status item as needed.
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*/
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static BOOL modify_icon(struct tray_icon *icon, NOTIFYICONDATAW *nid)
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{
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BOOL update_image = FALSE, update_tooltip = FALSE;
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TRACE("hwnd %p id 0x%x flags %x\n", nid->hWnd, nid->uID, nid->uFlags);
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if (nid->uFlags & NIF_STATE)
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{
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DWORD changed = (icon->state ^ nid->dwState) & nid->dwStateMask;
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icon->state = (icon->state & ~nid->dwStateMask) | (nid->dwState & nid->dwStateMask);
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if (changed & NIS_HIDDEN)
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{
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if (icon->state & NIS_HIDDEN)
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{
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if (icon->status_item)
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{
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TRACE("destroying status item %p\n", icon->status_item);
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macdrv_destroy_status_item(icon->status_item);
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icon->status_item = NULL;
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}
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}
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else
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{
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if (!icon->status_item)
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{
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struct macdrv_thread_data *thread_data = macdrv_init_thread_data();
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icon->status_item = macdrv_create_status_item(thread_data->queue);
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if (icon->status_item)
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{
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TRACE("created status item %p\n", icon->status_item);
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if (icon->image)
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update_image = TRUE;
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if (*icon->tiptext)
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update_tooltip = TRUE;
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}
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else
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WARN("failed to create status item\n");
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}
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}
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}
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}
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if (nid->uFlags & NIF_ICON)
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{
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if (icon->image) NtUserDestroyCursor(icon->image, 0);
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icon->image = CopyImage(nid->hIcon, IMAGE_ICON, 0, 0, 0);
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if (icon->status_item)
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update_image = TRUE;
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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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if (nid->uFlags & NIF_TIP)
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{
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lstrcpynW(icon->tiptext, nid->szTip, ARRAY_SIZE(icon->tiptext));
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if (icon->status_item)
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update_tooltip = TRUE;
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}
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if (update_image)
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{
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CGImageRef cgimage = NULL;
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if (icon->image)
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cgimage = create_cgimage_from_icon(icon->image, 0, 0);
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macdrv_set_status_item_image(icon->status_item, cgimage);
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CGImageRelease(cgimage);
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}
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if (update_tooltip)
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{
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CFStringRef s;
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TRACE("setting tooltip text for status item %p to %s\n", icon->status_item,
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debugstr_w(icon->tiptext));
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s = CFStringCreateWithCharacters(NULL, (UniChar*)icon->tiptext,
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lstrlenW(icon->tiptext));
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macdrv_set_status_item_tooltip(icon->status_item, s);
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CFRelease(s);
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}
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return TRUE;
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}
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/***********************************************************************
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* add_icon
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*
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* Creates a new tray icon structure and adds it to the list.
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*/
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static BOOL add_icon(NOTIFYICONDATAW *nid)
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{
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NOTIFYICONDATAW new_nid;
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struct tray_icon *icon;
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TRACE("hwnd %p id 0x%x\n", nid->hWnd, nid->uID);
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if ((icon = get_icon(nid->hWnd, nid->uID)))
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{
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WARN("duplicate tray icon add, buggy app?\n");
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return FALSE;
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}
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if (!(icon = calloc(1, sizeof(*icon))))
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{
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ERR("out of memory\n");
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return FALSE;
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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->state = NIS_HIDDEN;
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list_add_tail(&icon_list, &icon->entry);
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if (!(nid->uFlags & NIF_STATE) || !(nid->dwStateMask & NIS_HIDDEN))
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{
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new_nid = *nid;
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new_nid.uFlags |= NIF_STATE;
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new_nid.dwState &= ~NIS_HIDDEN;
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new_nid.dwStateMask |= NIS_HIDDEN;
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nid = &new_nid;
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}
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return modify_icon(icon, nid);
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}
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/***********************************************************************
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* delete_icon
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*
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* Destroy tray icon status item and delete structure.
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*/
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static BOOL delete_icon(struct tray_icon *icon)
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{
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TRACE("hwnd %p id 0x%x\n", icon->owner, icon->id);
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if (icon->status_item)
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{
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TRACE("destroying status item %p\n", icon->status_item);
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macdrv_destroy_status_item(icon->status_item);
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}
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list_remove(&icon->entry);
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NtUserDestroyCursor(icon->image, 0);
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free(icon);
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return TRUE;
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}
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/***********************************************************************
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* wine_notify_icon (MACDRV.@)
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*
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* Driver-side implementation of Shell_NotifyIcon.
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*/
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NTSTATUS macdrv_notify_icon(void *arg)
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{
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struct notify_icon_params *params = arg;
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NOTIFYICONDATAW *data = params->data;
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BOOL ret = FALSE;
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struct tray_icon *icon;
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switch (params->msg)
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{
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case NIM_ADD:
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ret = add_icon(data);
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break;
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case NIM_DELETE:
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if ((icon = get_icon(data->hWnd, data->uID))) ret = delete_icon(icon);
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break;
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case NIM_MODIFY:
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if ((icon = get_icon(data->hWnd, data->uID))) ret = modify_icon(icon, data);
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break;
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case 0xdead: /* Wine extension: owner window has died */
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cleanup_icons(data->hWnd);
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break;
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case NIM_SETVERSION:
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if ((icon = get_icon(data->hWnd, data->uID)))
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{
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icon->version = data->uVersion;
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ret = TRUE;
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}
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break;
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default:
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FIXME("unhandled tray message: %u\n", params->msg);
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break;
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}
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return ret;
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}
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static BOOL notify_owner(struct tray_icon *icon, UINT msg, int x, int y)
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{
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WPARAM wp = icon->id;
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LPARAM lp = msg;
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if (icon->version >= NOTIFYICON_VERSION_4)
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{
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wp = MAKEWPARAM(x, y);
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lp = MAKELPARAM(msg, icon->id);
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}
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TRACE("posting msg 0x%04x to hwnd %p id 0x%x\n", msg, icon->owner, icon->id);
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if (!NtUserMessageCall(icon->owner, icon->callback_message, wp, lp,
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0, NtUserSendNotifyMessage, FALSE) &&
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(RtlGetLastWin32Error() == ERROR_INVALID_WINDOW_HANDLE))
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{
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WARN("window %p was destroyed, removing icon 0x%x\n", icon->owner, icon->id);
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delete_icon(icon);
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return FALSE;
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}
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return TRUE;
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}
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/***********************************************************************
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* macdrv_status_item_mouse_button
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*
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* Handle STATUS_ITEM_MOUSE_BUTTON events.
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*/
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void macdrv_status_item_mouse_button(const macdrv_event *event)
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{
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struct tray_icon *icon;
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TRACE("item %p button %d down %d count %d pos %d,%d\n", event->status_item_mouse_button.item,
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event->status_item_mouse_button.button, event->status_item_mouse_button.down,
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event->status_item_mouse_button.count, event->status_item_mouse_button.x,
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event->status_item_mouse_button.y);
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LIST_FOR_EACH_ENTRY(icon, &icon_list, struct tray_icon, entry)
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{
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if (icon->status_item == event->status_item_mouse_button.item)
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{
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UINT msg;
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switch (event->status_item_mouse_button.button)
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{
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case 0: msg = WM_LBUTTONDOWN; break;
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case 1: msg = WM_RBUTTONDOWN; break;
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case 2: msg = WM_MBUTTONDOWN; break;
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default:
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TRACE("ignoring button beyond the third\n");
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return;
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}
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if (!event->status_item_mouse_button.down)
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msg += WM_LBUTTONUP - WM_LBUTTONDOWN;
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else if (event->status_item_mouse_button.count % 2 == 0)
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msg += WM_LBUTTONDBLCLK - WM_LBUTTONDOWN;
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send_message(icon->owner, WM_MACDRV_ACTIVATE_ON_FOLLOWING_FOCUS, 0, 0);
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if (!notify_owner(icon, msg, event->status_item_mouse_button.x, event->status_item_mouse_button.y))
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return;
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if (icon->version)
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{
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if (msg == WM_LBUTTONUP)
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notify_owner(icon, NIN_SELECT, event->status_item_mouse_button.x, event->status_item_mouse_button.y);
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else if (msg == WM_RBUTTONUP)
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notify_owner(icon, WM_CONTEXTMENU, event->status_item_mouse_button.x, event->status_item_mouse_button.y);
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}
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break;
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}
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}
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}
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/***********************************************************************
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* macdrv_status_item_mouse_move
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*
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* Handle STATUS_ITEM_MOUSE_MOVE events.
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*/
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void macdrv_status_item_mouse_move(const macdrv_event *event)
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{
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struct tray_icon *icon;
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TRACE("item %p pos %d,%d\n", event->status_item_mouse_move.item,
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event->status_item_mouse_move.x, event->status_item_mouse_move.y);
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LIST_FOR_EACH_ENTRY(icon, &icon_list, struct tray_icon, entry)
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{
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if (icon->status_item == event->status_item_mouse_move.item)
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{
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notify_owner(icon, WM_MOUSEMOVE, event->status_item_mouse_move.x, event->status_item_mouse_move.y);
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break;
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}
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}
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}
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