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wine/dlls/winemac.drv/systray.c

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/*
* Mac driver system tray management
*
* Copyright (C) 2004 Mike Hearn, for CodeWeavers
* Copyright (C) 2005 Robert Shearman
* Copyright (C) 2008 Alexandre Julliard
* Copyright (C) 2012, 2013 Ken Thomases for CodeWeavers Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "macdrv.h"
#include "windef.h"
#include "winuser.h"
#include "shellapi.h"
#include "wine/list.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(systray);
#define CHECK_SYSTRAY_TIMER 1
#define CHECK_SYSTRAY_INTERVAL_MS 2000
/* an individual systray icon */
struct tray_icon
{
struct list entry;
HWND owner; /* the HWND passed in to the Shell_NotifyIcon call */
UINT id; /* the unique id given by the app */
UINT callback_message;
HICON image; /* the image to render */
WCHAR tiptext[128]; /* tooltip text */
DWORD state; /* state flags */
macdrv_status_item status_item;
};
static struct list icon_list = LIST_INIT(icon_list);
static BOOL delete_icon(struct tray_icon *icon);
/***********************************************************************
* check_icons
*
* Timer procedure for periodically checking that the systray icons are
* still valid (their owning windows still exist).
*/
static VOID CALLBACK check_icons(HWND hwnd, UINT msg, UINT_PTR timer, DWORD time)
{
struct tray_icon *icon, *next;
LIST_FOR_EACH_ENTRY_SAFE(icon, next, &icon_list, struct tray_icon, entry)
if (!IsWindow(icon->owner)) delete_icon(icon);
}
/***********************************************************************
* setup_check_icons_timer
*
* Set up a window with a timer to check that tray icons are still valid
* (their owning windows still exist).
*/
static void setup_check_icons_timer(void)
{
static BOOL done;
if (!done)
{
static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
HWND timer_window;
/* Whether we succeed or not, don't try again. */
done = TRUE;
timer_window = CreateWindowW(messageW, NULL, 0, 0, 0, 0, 0, HWND_MESSAGE,
NULL, NULL, NULL);
if (!timer_window)
{
WARN("Could not create systray checking message window\n");
return;
}
if (!SetTimer(timer_window, CHECK_SYSTRAY_TIMER, CHECK_SYSTRAY_INTERVAL_MS, check_icons))
WARN("Could not create systray checking timer\n");
}
}
/***********************************************************************
* get_icon
*
* Retrieves an icon record by owner window and ID.
*/
static struct tray_icon *get_icon(HWND owner, UINT id)
{
struct tray_icon *this;
LIST_FOR_EACH_ENTRY(this, &icon_list, struct tray_icon, entry)
if ((this->id == id) && (this->owner == owner)) return this;
return NULL;
}
/***********************************************************************
* modify_icon
*
* Modifies an existing tray icon and updates its status item as needed.
*/
static BOOL modify_icon(struct tray_icon *icon, NOTIFYICONDATAW *nid)
{
BOOL update_image = FALSE, update_tooltip = FALSE;
TRACE("hwnd %p id 0x%x flags %x\n", nid->hWnd, nid->uID, nid->uFlags);
if (nid->uFlags & NIF_STATE)
{
DWORD changed = (icon->state ^ nid->dwState) & nid->dwStateMask;
icon->state = (icon->state & ~nid->dwStateMask) | (nid->dwState & nid->dwStateMask);
if (changed & NIS_HIDDEN)
{
if (icon->state & NIS_HIDDEN)
{
if (icon->status_item)
{
TRACE("destroying status item %p\n", icon->status_item);
macdrv_destroy_status_item(icon->status_item);
icon->status_item = NULL;
}
}
else
{
if (!icon->status_item)
{
struct macdrv_thread_data *thread_data = macdrv_init_thread_data();
icon->status_item = macdrv_create_status_item(thread_data->queue);
if (icon->status_item)
{
TRACE("created status item %p\n", icon->status_item);
if (icon->image)
update_image = TRUE;
if (lstrlenW(icon->tiptext))
update_tooltip = TRUE;
}
else
WARN("failed to create status item\n");
}
}
}
}
if (nid->uFlags & NIF_ICON)
{
if (icon->image) DestroyIcon(icon->image);
icon->image = CopyIcon(nid->hIcon);
if (icon->status_item)
update_image = TRUE;
}
if (nid->uFlags & NIF_MESSAGE)
{
icon->callback_message = nid->uCallbackMessage;
}
if (nid->uFlags & NIF_TIP)
{
lstrcpynW(icon->tiptext, nid->szTip, sizeof(icon->tiptext)/sizeof(WCHAR));
if (icon->status_item)
update_tooltip = TRUE;
}
if (update_image)
{
CGImageRef cgimage = NULL;
if (icon->image)
cgimage = create_cgimage_from_icon(icon->image, 0, 0);
macdrv_set_status_item_image(icon->status_item, cgimage);
CGImageRelease(cgimage);
}
if (update_tooltip)
{
CFStringRef s;
TRACE("setting tooltip text for status item %p to %s\n", icon->status_item,
debugstr_w(icon->tiptext));
s = CFStringCreateWithCharacters(NULL, (UniChar*)icon->tiptext,
lstrlenW(icon->tiptext));
macdrv_set_status_item_tooltip(icon->status_item, s);
CFRelease(s);
}
return TRUE;
}
/***********************************************************************
* add_icon
*
* Creates a new tray icon structure and adds it to the list.
*/
static BOOL add_icon(NOTIFYICONDATAW *nid)
{
NOTIFYICONDATAW new_nid;
struct tray_icon *icon;
TRACE("hwnd %p id 0x%x\n", nid->hWnd, nid->uID);
if ((icon = get_icon(nid->hWnd, nid->uID)))
{
WARN("duplicate tray icon add, buggy app?\n");
return FALSE;
}
setup_check_icons_timer();
if (!(icon = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*icon))))
{
ERR("out of memory\n");
return FALSE;
}
icon->id = nid->uID;
icon->owner = nid->hWnd;
icon->state = NIS_HIDDEN;
list_add_tail(&icon_list, &icon->entry);
if (!(nid->uFlags & NIF_STATE) || !(nid->dwStateMask & NIS_HIDDEN))
{
new_nid = *nid;
new_nid.uFlags |= NIF_STATE;
new_nid.dwState &= ~NIS_HIDDEN;
new_nid.dwStateMask |= NIS_HIDDEN;
nid = &new_nid;
}
return modify_icon(icon, nid);
}
/***********************************************************************
* delete_icon
*
* Destroy tray icon status item and delete structure.
*/
static BOOL delete_icon(struct tray_icon *icon)
{
TRACE("hwnd %p id 0x%x\n", icon->owner, icon->id);
if (icon->status_item)
{
TRACE("destroying status item %p\n", icon->status_item);
macdrv_destroy_status_item(icon->status_item);
}
list_remove(&icon->entry);
DestroyIcon(icon->image);
HeapFree(GetProcessHeap(), 0, icon);
return TRUE;
}
/***********************************************************************
* wine_notify_icon (MACDRV.@)
*
* Driver-side implementation of Shell_NotifyIcon.
*/
int CDECL wine_notify_icon(DWORD msg, NOTIFYICONDATAW *data)
{
BOOL ret = FALSE;
struct tray_icon *icon;
switch (msg)
{
case NIM_ADD:
ret = add_icon(data);
break;
case NIM_DELETE:
if ((icon = get_icon(data->hWnd, data->uID))) ret = delete_icon(icon);
break;
case NIM_MODIFY:
if ((icon = get_icon(data->hWnd, data->uID))) ret = modify_icon(icon, data);
break;
default:
FIXME("unhandled tray message: %u\n", msg);
break;
}
return ret;
}
/***********************************************************************
* macdrv_status_item_mouse_button
*
* Handle STATUS_ITEM_MOUSE_BUTTON events.
*/
void macdrv_status_item_mouse_button(const macdrv_event *event)
{
struct tray_icon *icon;
TRACE("item %p button %d down %d count %d\n", event->status_item_mouse_button.item,
event->status_item_mouse_button.button, event->status_item_mouse_button.down,
event->status_item_mouse_button.count);
LIST_FOR_EACH_ENTRY(icon, &icon_list, struct tray_icon, entry)
{
if (icon->status_item == event->status_item_mouse_button.item)
{
UINT msg;
switch (event->status_item_mouse_button.button)
{
case 0: msg = WM_LBUTTONDOWN; break;
case 1: msg = WM_RBUTTONDOWN; break;
case 2: msg = WM_MBUTTONDOWN; break;
default:
TRACE("ignoring button beyond the third\n");
return;
}
if (!event->status_item_mouse_button.down)
msg += WM_LBUTTONUP - WM_LBUTTONDOWN;
else if (event->status_item_mouse_button.count % 2 == 0)
msg += WM_LBUTTONDBLCLK - WM_LBUTTONDOWN;
if (!SendMessageW(icon->owner, WM_MACDRV_ACTIVATE_ON_FOLLOWING_FOCUS, 0, 0) &&
GetLastError() == ERROR_INVALID_WINDOW_HANDLE)
{
WARN("window %p was destroyed, removing icon 0x%x\n", icon->owner, icon->id);
delete_icon(icon);
return;
}
TRACE("posting msg 0x%04x to hwnd %p id 0x%x\n", msg, icon->owner, icon->id);
if (!PostMessageW(icon->owner, icon->callback_message, icon->id, msg) &&
GetLastError() == ERROR_INVALID_WINDOW_HANDLE)
{
WARN("window %p was destroyed, removing icon 0x%x\n", icon->owner, icon->id);
delete_icon(icon);
return;
}
break;
}
}
}
/***********************************************************************
* macdrv_status_item_mouse_move
*
* Handle STATUS_ITEM_MOUSE_MOVE events.
*/
void macdrv_status_item_mouse_move(const macdrv_event *event)
{
struct tray_icon *icon;
TRACE("item %p\n", event->status_item_mouse_move.item);
LIST_FOR_EACH_ENTRY(icon, &icon_list, struct tray_icon, entry)
{
if (icon->status_item == event->status_item_mouse_move.item)
{
if (!PostMessageW(icon->owner, icon->callback_message, icon->id, WM_MOUSEMOVE) &&
GetLastError() == ERROR_INVALID_WINDOW_HANDLE)
{
WARN("window %p was destroyed, removing icon 0x%x\n", icon->owner, icon->id);
delete_icon(icon);
return;
}
break;
}
}
}
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