dlls/shell32/systray.c - wine - Git at Google

 /*
  *	Systray
  *
  *	Copyright 1999 Kai Morich	<kai.morich@bigfoot.de>
  *
  *  Manage the systray window. That it actually appears in the docking
  *  area of KDE or GNOME is delegated to windows/x11drv/wnd.c,
  *  X11DRV_WND_DockWindow.
  *
  * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */

 #include "config.h"

 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif
 #include <stdlib.h>
 #include <string.h>

 #include "winnls.h"
 #include "shlobj.h"
 #include "shellapi.h"
 #include "shell32_main.h"
 #include "commctrl.h"
 #include "wine/debug.h"

 WINE_DEFAULT_DEBUG_CHANNEL(shell);

 typedef struct SystrayItem {
   HWND                  hWnd;
   HWND                  hWndToolTip;
   NOTIFYICONDATAA       notifyIcon;
   struct SystrayItem    *nextTrayItem;
 } SystrayItem;

 static SystrayItem *systray=NULL;
 static int firstSystray=TRUE; /* defer creation of window class until first systray item is created */

 static BOOL SYSTRAY_Delete(PNOTIFYICONDATAA pnid);


 #define ICON_SIZE GetSystemMetrics(SM_CXSMICON)
 /* space around icon (forces icon to center of KDE systray area) */
 #define ICON_BORDER  4


 static BOOL SYSTRAY_ItemIsEqual(PNOTIFYICONDATAA pnid1, PNOTIFYICONDATAA pnid2)
 {
   if (pnid1->hWnd != pnid2->hWnd) return FALSE;
   if (pnid1->uID  != pnid2->uID)  return FALSE;
   return TRUE;
 }

 static LRESULT CALLBACK SYSTRAY_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 {
   HDC hdc;
   PAINTSTRUCT ps;

   switch (message) {
   case WM_PAINT:
   {
     RECT rc;
     SystrayItem  *ptrayItem = systray;

     while (ptrayItem) {
       if (ptrayItem->hWnd==hWnd) {
 	if (ptrayItem->notifyIcon.hIcon) {
 	  hdc = BeginPaint(hWnd, &ps);
 	  GetClientRect(hWnd, &rc);
 	  if (!DrawIconEx(hdc, rc.left+ICON_BORDER, rc.top+ICON_BORDER, ptrayItem->notifyIcon.hIcon,
 			  ICON_SIZE, ICON_SIZE, 0, 0, DI_DEFAULTSIZE|DI_NORMAL)) {
 	    ERR("Paint(SystrayWindow 0x%08x) failed -> removing SystrayItem %p\n", hWnd, ptrayItem);
 	    SYSTRAY_Delete(&ptrayItem->notifyIcon);
 	  }
 	}
 	break;
       }
       ptrayItem = ptrayItem->nextTrayItem;
     }
     EndPaint(hWnd, &ps);
   }
   break;

   case WM_MOUSEMOVE:
   case WM_LBUTTONDOWN:
   case WM_LBUTTONUP:
   case WM_RBUTTONDOWN:
   case WM_RBUTTONUP:
   case WM_MBUTTONDOWN:
   case WM_MBUTTONUP:
   {
     MSG msg;
     SystrayItem *ptrayItem = systray;

     while ( ptrayItem ) {
       if (ptrayItem->hWnd == hWnd) {
         msg.hwnd=hWnd;
         msg.message=message;
         msg.wParam=wParam;
         msg.lParam=lParam;
         msg.time = GetMessageTime ();
         msg.pt.x = LOWORD(GetMessagePos ());
         msg.pt.y = HIWORD(GetMessagePos ());

         SendMessageA(ptrayItem->hWndToolTip, TTM_RELAYEVENT, 0, (LPARAM)&msg);
       }
       ptrayItem = ptrayItem->nextTrayItem;
     }
   }
   /* fall through */

   case WM_LBUTTONDBLCLK:
   case WM_RBUTTONDBLCLK:
   case WM_MBUTTONDBLCLK:
   {
     SystrayItem *ptrayItem = systray;

     while (ptrayItem) {
       if (ptrayItem->hWnd == hWnd) {
 	if (ptrayItem->notifyIcon.hWnd && ptrayItem->notifyIcon.uCallbackMessage) {
           if (!PostMessageA(ptrayItem->notifyIcon.hWnd, ptrayItem->notifyIcon.uCallbackMessage,
                             (WPARAM)ptrayItem->notifyIcon.uID, (LPARAM)message)) {
 	      ERR("PostMessage(SystrayWindow 0x%08x) failed -> removing SystrayItem %p\n", hWnd, ptrayItem);
 	      SYSTRAY_Delete(&ptrayItem->notifyIcon);
 	    }
         }
 	break;
       }
       ptrayItem = ptrayItem->nextTrayItem;
     }
   }
   break;

   default:
     return (DefWindowProcA(hWnd, message, wParam, lParam));
   }
   return (0);

 }


 BOOL SYSTRAY_RegisterClass(void)
 {
   WNDCLASSA  wc;

   wc.style         = CS_SAVEBITS;
   wc.lpfnWndProc   = (WNDPROC)SYSTRAY_WndProc;
   wc.cbClsExtra    = 0;
   wc.cbWndExtra    = 0;
   wc.hInstance     = 0;
   wc.hIcon         = 0;
   wc.hCursor       = LoadCursorA(0, IDC_ARROWA);
   wc.hbrBackground = (HBRUSH)(COLOR_WINDOW);
   wc.lpszMenuName  = NULL;
   wc.lpszClassName = "WineSystray";

   if (!RegisterClassA(&wc)) {
     ERR("RegisterClass(WineSystray) failed\n");
     return FALSE;
   }
   return TRUE;
 }


 BOOL SYSTRAY_ItemInit(SystrayItem *ptrayItem)
 {
   RECT rect;

   /* Register the class if this is our first tray item. */
   if ( firstSystray ) {
     firstSystray = FALSE;
     if ( !SYSTRAY_RegisterClass() ) {
       ERR( "RegisterClass(WineSystray) failed\n" );
       return FALSE;
     }
   }

   /* Initialize the window size. */
   rect.left   = 0;
   rect.top    = 0;
   rect.right  = ICON_SIZE+2*ICON_BORDER;
   rect.bottom = ICON_SIZE+2*ICON_BORDER;

   ZeroMemory( ptrayItem, sizeof(SystrayItem) );
   /* Create tray window for icon. */
   ptrayItem->hWnd = CreateWindowExA( WS_EX_TRAYWINDOW,
                                 "WineSystray", "Wine-Systray",
                                 WS_VISIBLE,
                                 CW_USEDEFAULT, CW_USEDEFAULT,
                                 rect.right-rect.left, rect.bottom-rect.top,
                                 0, 0, 0, 0 );
   if ( !ptrayItem->hWnd ) {
     ERR( "CreateWindow(WineSystray) failed\n" );
     return FALSE;
   }

   /* Create tooltip for icon. */
   ptrayItem->hWndToolTip = CreateWindowA( TOOLTIPS_CLASSA,NULL,TTS_ALWAYSTIP,
                                      CW_USEDEFAULT, CW_USEDEFAULT,
                                      CW_USEDEFAULT, CW_USEDEFAULT,
                                      ptrayItem->hWnd, 0, 0, 0 );
   if ( !ptrayItem->hWndToolTip ) {
     ERR( "CreateWindow(TOOLTIP) failed\n" );
     return FALSE;
   }
   return TRUE;
 }


 static void SYSTRAY_ItemTerm(SystrayItem *ptrayItem)
 {
   if(ptrayItem->notifyIcon.hIcon)
      DestroyIcon(ptrayItem->notifyIcon.hIcon);
   if(ptrayItem->hWndToolTip)
       DestroyWindow(ptrayItem->hWndToolTip);
   if(ptrayItem->hWnd)
     DestroyWindow(ptrayItem->hWnd);
   return;
 }


 void SYSTRAY_ItemSetMessage(SystrayItem *ptrayItem, UINT uCallbackMessage)
 {
   ptrayItem->notifyIcon.uCallbackMessage = uCallbackMessage;
 }


 void SYSTRAY_ItemSetIcon(SystrayItem *ptrayItem, HICON hIcon)
 {
   ptrayItem->notifyIcon.hIcon = CopyIcon(hIcon);
   InvalidateRect(ptrayItem->hWnd, NULL, TRUE);
 }


 void SYSTRAY_ItemSetTip(SystrayItem *ptrayItem, CHAR* szTip, int modify)
 {
   TTTOOLINFOA ti;

   strncpy(ptrayItem->notifyIcon.szTip, szTip, sizeof(ptrayItem->notifyIcon.szTip));
   ptrayItem->notifyIcon.szTip[sizeof(ptrayItem->notifyIcon.szTip)-1]=0;

   ti.cbSize = sizeof(TTTOOLINFOA);
   ti.uFlags = 0;
   ti.hwnd = ptrayItem->hWnd;
   ti.hinst = 0;
   ti.uId = 0;
   ti.lpszText = ptrayItem->notifyIcon.szTip;
   ti.rect.left   = 0;
   ti.rect.top    = 0;
   ti.rect.right  = ICON_SIZE+2*ICON_BORDER;
   ti.rect.bottom = ICON_SIZE+2*ICON_BORDER;

   if(modify)
     SendMessageA(ptrayItem->hWndToolTip, TTM_UPDATETIPTEXTA, 0, (LPARAM)&ti);
   else
     SendMessageA(ptrayItem->hWndToolTip, TTM_ADDTOOLA, 0, (LPARAM)&ti);
 }


 static BOOL SYSTRAY_Add(PNOTIFYICONDATAA pnid)
 {
   SystrayItem **ptrayItem = &systray;

   /* Find last element. */
   while( *ptrayItem ) {
     if ( SYSTRAY_ItemIsEqual(pnid, &(*ptrayItem)->notifyIcon) )
       return FALSE;
     ptrayItem = &((*ptrayItem)->nextTrayItem);
   }
   /* Allocate SystrayItem for element and add to end of list. */
   (*ptrayItem) = ( SystrayItem *)malloc( sizeof(SystrayItem) );

   /* Initialize and set data for the tray element. */
   SYSTRAY_ItemInit( (*ptrayItem) );
   (*ptrayItem)->notifyIcon.uID = pnid->uID; /* only needed for callback message */
   (*ptrayItem)->notifyIcon.hWnd = pnid->hWnd; /* only needed for callback message */
   SYSTRAY_ItemSetIcon   (*ptrayItem, (pnid->uFlags&NIF_ICON)   ?pnid->hIcon           :0);
   SYSTRAY_ItemSetMessage(*ptrayItem, (pnid->uFlags&NIF_MESSAGE)?pnid->uCallbackMessage:0);
   SYSTRAY_ItemSetTip    (*ptrayItem, (pnid->uFlags&NIF_TIP)    ?pnid->szTip           :"", FALSE);

   TRACE("%p: 0x%08x %s\n",  (*ptrayItem), (*ptrayItem)->notifyIcon.hWnd,
                                           (*ptrayItem)->notifyIcon.szTip);
   return TRUE;
 }


 static BOOL SYSTRAY_Modify(PNOTIFYICONDATAA pnid)
 {
   SystrayItem *ptrayItem = systray;

   while ( ptrayItem ) {
     if ( SYSTRAY_ItemIsEqual(pnid, &ptrayItem->notifyIcon) ) {
       if (pnid->uFlags & NIF_ICON)
         SYSTRAY_ItemSetIcon(ptrayItem, pnid->hIcon);
       if (pnid->uFlags & NIF_MESSAGE)
         SYSTRAY_ItemSetMessage(ptrayItem, pnid->uCallbackMessage);
       if (pnid->uFlags & NIF_TIP)
         SYSTRAY_ItemSetTip(ptrayItem, pnid->szTip, TRUE);

       TRACE("%p: 0x%08x %s\n", ptrayItem, ptrayItem->notifyIcon.hWnd, ptrayItem->notifyIcon.szTip);
       return TRUE;
     }
     ptrayItem = ptrayItem->nextTrayItem;
   }
   return FALSE; /* not found */
 }


 static BOOL SYSTRAY_Delete(PNOTIFYICONDATAA pnid)
 {
   SystrayItem **ptrayItem = &systray;

   while (*ptrayItem) {
     if (SYSTRAY_ItemIsEqual(pnid, &(*ptrayItem)->notifyIcon)) {
       SystrayItem *next = (*ptrayItem)->nextTrayItem;
       TRACE("%p: 0x%08x %s\n", *ptrayItem, (*ptrayItem)->notifyIcon.hWnd, (*ptrayItem)->notifyIcon.szTip);
       SYSTRAY_ItemTerm(*ptrayItem);

       free(*ptrayItem);
       *ptrayItem = next;

       return TRUE;
     }
     ptrayItem = &((*ptrayItem)->nextTrayItem);
   }

   return FALSE; /* not found */
 }

 /*************************************************************************
  *
  */
 BOOL SYSTRAY_Init(void)
 {
   return TRUE;
 }

 /*************************************************************************
  * Shell_NotifyIcon			[SHELL32.296]
  * Shell_NotifyIconA			[SHELL32.297]
  */
 BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid )
 {
   BOOL flag=FALSE;
   TRACE("enter %d %d %ld\n", pnid->hWnd, pnid->uID, dwMessage);
   switch(dwMessage) {
   case NIM_ADD:
     flag = SYSTRAY_Add(pnid);
     break;
   case NIM_MODIFY:
     flag = SYSTRAY_Modify(pnid);
     break;
   case NIM_DELETE:
     flag = SYSTRAY_Delete(pnid);
     break;
   }
   TRACE("leave %d %d %ld=%d\n", pnid->hWnd, pnid->uID, dwMessage, flag);
   return flag;
 }

 /*************************************************************************
  * Shell_NotifyIconW			[SHELL32.298]
  */
 BOOL WINAPI Shell_NotifyIconW (DWORD dwMessage, PNOTIFYICONDATAW pnid )
 {
 	BOOL ret;

 	PNOTIFYICONDATAA p = HeapAlloc(GetProcessHeap(),0,sizeof(NOTIFYICONDATAA));
 	memcpy(p, pnid, sizeof(NOTIFYICONDATAA));
         WideCharToMultiByte( CP_ACP, 0, pnid->szTip, -1, p->szTip, sizeof(p->szTip), NULL, NULL );
         p->szTip[sizeof(p->szTip)-1] = 0;

 	ret = Shell_NotifyIconA(dwMessage, p );

 	HeapFree(GetProcessHeap(),0,p);
 	return ret;
 }
	/*
	* Systray
	*
	* Copyright 1999 Kai Morich <kai.morich@bigfoot.de>
	*
	* Manage the systray window. That it actually appears in the docking
	* area of KDE or GNOME is delegated to windows/x11drv/wnd.c,
	* X11DRV_WND_DockWindow.
	*
	* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#include "config.h"

	#ifdef HAVE_UNISTD_H
	# include <unistd.h>
	#endif
	#include <stdlib.h>
	#include <string.h>

	#include "winnls.h"
	#include "shlobj.h"
	#include "shellapi.h"
	#include "shell32_main.h"
	#include "commctrl.h"
	#include "wine/debug.h"

	WINE_DEFAULT_DEBUG_CHANNEL(shell);

	typedef struct SystrayItem {
	HWND hWnd;
	HWND hWndToolTip;
	NOTIFYICONDATAA notifyIcon;
	struct SystrayItem *nextTrayItem;
	} SystrayItem;

	static SystrayItem *systray=NULL;
	static int firstSystray=TRUE; /* defer creation of window class until first systray item is created */

	static BOOL SYSTRAY_Delete(PNOTIFYICONDATAA pnid);


	#define ICON_SIZE GetSystemMetrics(SM_CXSMICON)
	/* space around icon (forces icon to center of KDE systray area) */
	#define ICON_BORDER 4



	static BOOL SYSTRAY_ItemIsEqual(PNOTIFYICONDATAA pnid1, PNOTIFYICONDATAA pnid2)
	{
	if (pnid1->hWnd != pnid2->hWnd) return FALSE;
	if (pnid1->uID != pnid2->uID) return FALSE;
	return TRUE;
	}

	static LRESULT CALLBACK SYSTRAY_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
	{
	HDC hdc;
	PAINTSTRUCT ps;

	switch (message) {
	case WM_PAINT:
	{
	RECT rc;
	SystrayItem *ptrayItem = systray;

	while (ptrayItem) {
	if (ptrayItem->hWnd==hWnd) {
	if (ptrayItem->notifyIcon.hIcon) {
	hdc = BeginPaint(hWnd, &ps);
	GetClientRect(hWnd, &rc);
	if (!DrawIconEx(hdc, rc.left+ICON_BORDER, rc.top+ICON_BORDER, ptrayItem->notifyIcon.hIcon,
	ICON_SIZE, ICON_SIZE, 0, 0, DI_DEFAULTSIZE\|DI_NORMAL)) {
	ERR("Paint(SystrayWindow 0x%08x) failed -> removing SystrayItem %p\n", hWnd, ptrayItem);
	SYSTRAY_Delete(&ptrayItem->notifyIcon);
	}
	}
	break;
	}
	ptrayItem = ptrayItem->nextTrayItem;
	}
	EndPaint(hWnd, &ps);
	}
	break;

	case WM_MOUSEMOVE:
	case WM_LBUTTONDOWN:
	case WM_LBUTTONUP:
	case WM_RBUTTONDOWN:
	case WM_RBUTTONUP:
	case WM_MBUTTONDOWN:
	case WM_MBUTTONUP:
	{
	MSG msg;
	SystrayItem *ptrayItem = systray;

	while ( ptrayItem ) {
	if (ptrayItem->hWnd == hWnd) {
	msg.hwnd=hWnd;
	msg.message=message;
	msg.wParam=wParam;
	msg.lParam=lParam;
	msg.time = GetMessageTime ();
	msg.pt.x = LOWORD(GetMessagePos ());
	msg.pt.y = HIWORD(GetMessagePos ());

	SendMessageA(ptrayItem->hWndToolTip, TTM_RELAYEVENT, 0, (LPARAM)&msg);
	}
	ptrayItem = ptrayItem->nextTrayItem;
	}
	}
	/* fall through */

	case WM_LBUTTONDBLCLK:
	case WM_RBUTTONDBLCLK:
	case WM_MBUTTONDBLCLK:
	{
	SystrayItem *ptrayItem = systray;

	while (ptrayItem) {
	if (ptrayItem->hWnd == hWnd) {
	if (ptrayItem->notifyIcon.hWnd && ptrayItem->notifyIcon.uCallbackMessage) {
	if (!PostMessageA(ptrayItem->notifyIcon.hWnd, ptrayItem->notifyIcon.uCallbackMessage,
	(WPARAM)ptrayItem->notifyIcon.uID, (LPARAM)message)) {
	ERR("PostMessage(SystrayWindow 0x%08x) failed -> removing SystrayItem %p\n", hWnd, ptrayItem);
	SYSTRAY_Delete(&ptrayItem->notifyIcon);
	}
	}
	break;
	}
	ptrayItem = ptrayItem->nextTrayItem;
	}
	}
	break;

	default:
	return (DefWindowProcA(hWnd, message, wParam, lParam));
	}
	return (0);

	}


	BOOL SYSTRAY_RegisterClass(void)
	{
	WNDCLASSA wc;

	wc.style = CS_SAVEBITS;
	wc.lpfnWndProc = (WNDPROC)SYSTRAY_WndProc;
	wc.cbClsExtra = 0;
	wc.cbWndExtra = 0;
	wc.hInstance = 0;
	wc.hIcon = 0;
	wc.hCursor = LoadCursorA(0, IDC_ARROWA);
	wc.hbrBackground = (HBRUSH)(COLOR_WINDOW);
	wc.lpszMenuName = NULL;
	wc.lpszClassName = "WineSystray";

	if (!RegisterClassA(&wc)) {
	ERR("RegisterClass(WineSystray) failed\n");
	return FALSE;
	}
	return TRUE;
	}


	BOOL SYSTRAY_ItemInit(SystrayItem *ptrayItem)
	{
	RECT rect;

	/* Register the class if this is our first tray item. */
	if ( firstSystray ) {
	firstSystray = FALSE;
	if ( !SYSTRAY_RegisterClass() ) {
	ERR( "RegisterClass(WineSystray) failed\n" );
	return FALSE;
	}
	}

	/* Initialize the window size. */
	rect.left = 0;
	rect.top = 0;
	rect.right = ICON_SIZE+2*ICON_BORDER;
	rect.bottom = ICON_SIZE+2*ICON_BORDER;

	ZeroMemory( ptrayItem, sizeof(SystrayItem) );
	/* Create tray window for icon. */
	ptrayItem->hWnd = CreateWindowExA( WS_EX_TRAYWINDOW,
	"WineSystray", "Wine-Systray",
	WS_VISIBLE,
	CW_USEDEFAULT, CW_USEDEFAULT,
	rect.right-rect.left, rect.bottom-rect.top,
	0, 0, 0, 0 );
	if ( !ptrayItem->hWnd ) {
	ERR( "CreateWindow(WineSystray) failed\n" );
	return FALSE;
	}

	/* Create tooltip for icon. */
	ptrayItem->hWndToolTip = CreateWindowA( TOOLTIPS_CLASSA,NULL,TTS_ALWAYSTIP,
	CW_USEDEFAULT, CW_USEDEFAULT,
	CW_USEDEFAULT, CW_USEDEFAULT,
	ptrayItem->hWnd, 0, 0, 0 );
	if ( !ptrayItem->hWndToolTip ) {
	ERR( "CreateWindow(TOOLTIP) failed\n" );
	return FALSE;
	}
	return TRUE;
	}


	static void SYSTRAY_ItemTerm(SystrayItem *ptrayItem)
	{
	if(ptrayItem->notifyIcon.hIcon)
	DestroyIcon(ptrayItem->notifyIcon.hIcon);
	if(ptrayItem->hWndToolTip)
	DestroyWindow(ptrayItem->hWndToolTip);
	if(ptrayItem->hWnd)
	DestroyWindow(ptrayItem->hWnd);
	return;
	}


	void SYSTRAY_ItemSetMessage(SystrayItem *ptrayItem, UINT uCallbackMessage)
	{
	ptrayItem->notifyIcon.uCallbackMessage = uCallbackMessage;
	}


	void SYSTRAY_ItemSetIcon(SystrayItem *ptrayItem, HICON hIcon)
	{
	ptrayItem->notifyIcon.hIcon = CopyIcon(hIcon);
	InvalidateRect(ptrayItem->hWnd, NULL, TRUE);
	}


	void SYSTRAY_ItemSetTip(SystrayItem ptrayItem, CHAR szTip, int modify)
	{
	TTTOOLINFOA ti;

	strncpy(ptrayItem->notifyIcon.szTip, szTip, sizeof(ptrayItem->notifyIcon.szTip));
	ptrayItem->notifyIcon.szTip[sizeof(ptrayItem->notifyIcon.szTip)-1]=0;

	ti.cbSize = sizeof(TTTOOLINFOA);
	ti.uFlags = 0;
	ti.hwnd = ptrayItem->hWnd;
	ti.hinst = 0;
	ti.uId = 0;
	ti.lpszText = ptrayItem->notifyIcon.szTip;
	ti.rect.left = 0;
	ti.rect.top = 0;
	ti.rect.right = ICON_SIZE+2*ICON_BORDER;
	ti.rect.bottom = ICON_SIZE+2*ICON_BORDER;

	if(modify)
	SendMessageA(ptrayItem->hWndToolTip, TTM_UPDATETIPTEXTA, 0, (LPARAM)&ti);
	else
	SendMessageA(ptrayItem->hWndToolTip, TTM_ADDTOOLA, 0, (LPARAM)&ti);
	}


	static BOOL SYSTRAY_Add(PNOTIFYICONDATAA pnid)
	{
	SystrayItem **ptrayItem = &systray;

	/* Find last element. */
	while( *ptrayItem ) {
	if ( SYSTRAY_ItemIsEqual(pnid, &(*ptrayItem)->notifyIcon) )
	return FALSE;
	ptrayItem = &((*ptrayItem)->nextTrayItem);
	}
	/* Allocate SystrayItem for element and add to end of list. */
	(ptrayItem) = ( SystrayItem )malloc( sizeof(SystrayItem) );

	/* Initialize and set data for the tray element. */
	SYSTRAY_ItemInit( (*ptrayItem) );
	(ptrayItem)->notifyIcon.uID = pnid->uID; / only needed for callback message */
	(ptrayItem)->notifyIcon.hWnd = pnid->hWnd; / only needed for callback message */
	SYSTRAY_ItemSetIcon (*ptrayItem, (pnid->uFlags&NIF_ICON) ?pnid->hIcon :0);
	SYSTRAY_ItemSetMessage(*ptrayItem, (pnid->uFlags&NIF_MESSAGE)?pnid->uCallbackMessage:0);
	SYSTRAY_ItemSetTip (*ptrayItem, (pnid->uFlags&NIF_TIP) ?pnid->szTip :"", FALSE);

	TRACE("%p: 0x%08x %s\n", (ptrayItem), (ptrayItem)->notifyIcon.hWnd,
	(*ptrayItem)->notifyIcon.szTip);
	return TRUE;
	}


	static BOOL SYSTRAY_Modify(PNOTIFYICONDATAA pnid)
	{
	SystrayItem *ptrayItem = systray;

	while ( ptrayItem ) {
	if ( SYSTRAY_ItemIsEqual(pnid, &ptrayItem->notifyIcon) ) {
	if (pnid->uFlags & NIF_ICON)
	SYSTRAY_ItemSetIcon(ptrayItem, pnid->hIcon);
	if (pnid->uFlags & NIF_MESSAGE)
	SYSTRAY_ItemSetMessage(ptrayItem, pnid->uCallbackMessage);
	if (pnid->uFlags & NIF_TIP)
	SYSTRAY_ItemSetTip(ptrayItem, pnid->szTip, TRUE);

	TRACE("%p: 0x%08x %s\n", ptrayItem, ptrayItem->notifyIcon.hWnd, ptrayItem->notifyIcon.szTip);
	return TRUE;
	}
	ptrayItem = ptrayItem->nextTrayItem;
	}
	return FALSE; /* not found */
	}


	static BOOL SYSTRAY_Delete(PNOTIFYICONDATAA pnid)
	{
	SystrayItem **ptrayItem = &systray;

	while (*ptrayItem) {
	if (SYSTRAY_ItemIsEqual(pnid, &(*ptrayItem)->notifyIcon)) {
	SystrayItem next = (ptrayItem)->nextTrayItem;
	TRACE("%p: 0x%08x %s\n", ptrayItem, (ptrayItem)->notifyIcon.hWnd, (*ptrayItem)->notifyIcon.szTip);
	SYSTRAY_ItemTerm(*ptrayItem);

	free(*ptrayItem);
	*ptrayItem = next;

	return TRUE;
	}
	ptrayItem = &((*ptrayItem)->nextTrayItem);
	}

	return FALSE; /* not found */
	}

	/*************************************************************************
	*
	*/
	BOOL SYSTRAY_Init(void)
	{
	return TRUE;
	}

	/*************************************************************************
	* Shell_NotifyIcon [SHELL32.296]
	* Shell_NotifyIconA [SHELL32.297]
	*/
	BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid )
	{
	BOOL flag=FALSE;
	TRACE("enter %d %d %ld\n", pnid->hWnd, pnid->uID, dwMessage);
	switch(dwMessage) {
	case NIM_ADD:
	flag = SYSTRAY_Add(pnid);
	break;
	case NIM_MODIFY:
	flag = SYSTRAY_Modify(pnid);
	break;
	case NIM_DELETE:
	flag = SYSTRAY_Delete(pnid);
	break;
	}
	TRACE("leave %d %d %ld=%d\n", pnid->hWnd, pnid->uID, dwMessage, flag);
	return flag;
	}

	/*************************************************************************
	* Shell_NotifyIconW [SHELL32.298]
	*/
	BOOL WINAPI Shell_NotifyIconW (DWORD dwMessage, PNOTIFYICONDATAW pnid )
	{
	BOOL ret;

	PNOTIFYICONDATAA p = HeapAlloc(GetProcessHeap(),0,sizeof(NOTIFYICONDATAA));
	memcpy(p, pnid, sizeof(NOTIFYICONDATAA));
	WideCharToMultiByte( CP_ACP, 0, pnid->szTip, -1, p->szTip, sizeof(p->szTip), NULL, NULL );
	p->szTip[sizeof(p->szTip)-1] = 0;

	ret = Shell_NotifyIconA(dwMessage, p );

	HeapFree(GetProcessHeap(),0,p);
	return ret;
	}