Sweden-Number/dlls/shell32/systray.c

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/*
* 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.
*
*/
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
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#include "heap.h"
#include "shellapi.h"
#include "shell32_main.h"
#include "windows.h"
#include "commctrl.h"
#include "debugtools.h"
#include "config.h"
DEFAULT_DEBUG_CHANNEL(shell)
typedef struct SystrayData {
HWND hWnd;
HWND hWndToolTip;
NOTIFYICONDATAA notifyIcon;
int nitem; /* number of current element = tooltip id */
struct SystrayData *nextTrayItem;
} SystrayData;
typedef struct Systray {
int hasCritSection;
CRITICAL_SECTION critSection;
SystrayData *systrayItemList;
} Systray;
static Systray systray;
static int nNumberTrayElements;
static BOOL SYSTRAY_Delete(PNOTIFYICONDATAA pnid);
/**************************************************************************
* internal systray
*
*/
#define SMALL_ICON_SIZE GetSystemMetrics(SM_CXSMICON)
/* space between icons and frame */
#define IBORDER 3
#define OBORDER 2
#define TBORDER (OBORDER+1+IBORDER)
static LRESULT CALLBACK SYSTRAY_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
switch (message) {
case WM_PAINT:
{
RECT rc;
SystrayData *ptrayItem = systray.systrayItemList;
while (ptrayItem)
{
if (ptrayItem->hWnd == hWnd)
{
hdc = BeginPaint(hWnd, &ps);
GetClientRect(hWnd, &rc);
if (!DrawIconEx(hdc, rc.left, rc.top, ptrayItem->notifyIcon.hIcon,
SMALL_ICON_SIZE, SMALL_ICON_SIZE, 0, 0, DI_DEFAULTSIZE|DI_NORMAL))
SYSTRAY_Delete(&ptrayItem->notifyIcon);
}
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;
SystrayData *ptrayItem = systray.systrayItemList;
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;
}
}
case WM_LBUTTONDBLCLK:
case WM_RBUTTONDBLCLK:
case WM_MBUTTONDBLCLK:
{
int xPos;
SystrayData *ptrayItem = systray.systrayItemList;
while (ptrayItem)
{
if (ptrayItem->hWnd == hWnd)
{
xPos = LOWORD(lParam);
if( (xPos >= TBORDER) &&
(xPos < (TBORDER+SMALL_ICON_SIZE)) )
{
if (!PostMessageA(ptrayItem->notifyIcon.hWnd, ptrayItem->notifyIcon.uCallbackMessage,
(WPARAM)ptrayItem->notifyIcon.uID, (LPARAM)message))
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; /* LoadIcon (NULL, IDI_EXCLAMATION); */
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_Create(SystrayData *ptrayItem)
{
RECT rect;
/* Register the class if this is our first tray item. */
if ( nNumberTrayElements == 1 )
{
if ( !SYSTRAY_RegisterClass() )
{
ERR( "RegisterClass(WineSystray) failed\n" );
return FALSE;
}
}
/* Initialize the window size. */
rect.left = 0;
rect.top = 0;
rect.right = SMALL_ICON_SIZE+2*TBORDER;
rect.bottom = SMALL_ICON_SIZE+2*TBORDER;
/* 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==0 )
{
ERR( "CreateWindow(TOOLTIP) failed\n" );
return FALSE;
}
return TRUE;
}
static void SYSTRAY_RepaintAll(void)
{
SystrayData *ptrayItem = systray.systrayItemList;
while(ptrayItem)
{
InvalidateRect(ptrayItem->hWnd, NULL, TRUE);
ptrayItem = ptrayItem->nextTrayItem;
}
}
static void SYSTRAY_RepaintItem(int nitem)
{
SystrayData *ptrayItem = systray.systrayItemList;
while(ptrayItem)
{
if (ptrayItem->nitem == nitem)
InvalidateRect(ptrayItem->hWnd, NULL, TRUE);
ptrayItem = ptrayItem->nextTrayItem;
}
}
void SYSTRAY_InitItem(SystrayData *ptrayItem)
{
ptrayItem->nitem = nNumberTrayElements++;
SYSTRAY_Create(ptrayItem);
}
void SYSTRAY_SetIcon(SystrayData *ptrayItem, HICON hIcon)
{
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/* keep our own copy of "hIcon" object */
ptrayItem->notifyIcon.hIcon = CopyIcon(hIcon);
}
void SYSTRAY_SetTip(SystrayData *ptrayItem, CHAR* szTip)
{
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 = ptrayItem->nitem;
ti.lpszText = ptrayItem->notifyIcon.szTip;
ti.rect.left = 0;
ti.rect.top = 0;
ti.rect.right = SMALL_ICON_SIZE+2*TBORDER;
ti.rect.bottom = SMALL_ICON_SIZE+2*TBORDER;
SendMessageA(ptrayItem->hWndToolTip, TTM_ADDTOOLA, 0, (LPARAM)&ti);
}
static void SYSTRAY_ModifyTip(SystrayData *ptrayItem, CHAR* szTip)
{
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 = ptrayItem->nitem;
ti.lpszText = ptrayItem->notifyIcon.szTip;
ti.rect.left = 0;
ti.rect.top = 0;
ti.rect.right = SMALL_ICON_SIZE+2*TBORDER;
ti.rect.bottom = SMALL_ICON_SIZE+2*TBORDER;
SendMessageA(ptrayItem->hWndToolTip, TTM_UPDATETIPTEXTA, 0, (LPARAM)&ti);
}
static void SYSTRAY_TermItem(SystrayData *removeItem)
{
int nitem;
SystrayData **trayItem;
TTTOOLINFOA ti;
ti.cbSize = sizeof(TTTOOLINFOA);
ti.uFlags = 0;
ti.hinst = 0;
/* delete all tooltips ...*/
trayItem = &systray.systrayItemList;
while (*trayItem) {
ti.uId = (*trayItem)->nitem;
ti.hwnd = (*trayItem)->hWnd;
SendMessageA((*trayItem)->hWndToolTip, TTM_DELTOOLA, 0, (LPARAM)&ti);
trayItem = &((*trayItem)->nextTrayItem);
}
/* ... and add them again, because uID may shift */
nitem=0;
trayItem = &systray.systrayItemList;
while (*trayItem)
{
if (*trayItem != removeItem)
{
(*trayItem)->nitem = nitem;
ti.uId = nitem;
ti.hwnd = (*trayItem)->hWnd;
ti.lpszText = (*trayItem)->notifyIcon.szTip;
ti.rect.left = 0;
ti.rect.top = 0;
ti.rect.right = SMALL_ICON_SIZE+2*TBORDER;
ti.rect.bottom = SMALL_ICON_SIZE+2*TBORDER;
SendMessageA((*trayItem)->hWndToolTip, TTM_ADDTOOLA, 0, (LPARAM)&ti);
nitem++;
}
trayItem = &((*trayItem)->nextTrayItem);
}
nNumberTrayElements--;
}
/**************************************************************************
* helperfunctions
*
*/
void SYSTRAY_SetMessage(SystrayData *ptrayItem, UINT uCallbackMessage)
{
ptrayItem->notifyIcon.uCallbackMessage = uCallbackMessage;
}
static BOOL SYSTRAY_IsEqual(PNOTIFYICONDATAA pnid1, PNOTIFYICONDATAA pnid2)
{
if (pnid1->hWnd != pnid2->hWnd) return FALSE;
if (pnid1->uID != pnid2->uID) return FALSE;
return TRUE;
}
static BOOL SYSTRAY_Add(PNOTIFYICONDATAA pnid)
{
SystrayData **ptrayItem = &systray.systrayItemList;
/* Find empty space for new element. */
while( *ptrayItem )
{
if ( SYSTRAY_IsEqual(pnid, &(*ptrayItem)->notifyIcon) )
return FALSE;
ptrayItem = &((*ptrayItem)->nextTrayItem);
}
/* Allocate SystrayData for element and zero memory. */
(*ptrayItem) = ( SystrayData *)malloc( sizeof(SystrayData) );
ZeroMemory( (*ptrayItem), sizeof(SystrayData) );
/* Copy notification data */
memcpy( &(*ptrayItem)->notifyIcon, pnid, sizeof(NOTIFYICONDATAA) );
/* Initialize and set data for the tray element. */
SYSTRAY_InitItem( (*ptrayItem) );
SYSTRAY_SetIcon (*ptrayItem, (pnid->uFlags&NIF_ICON) ?pnid->hIcon :0);
SYSTRAY_SetMessage(*ptrayItem, (pnid->uFlags&NIF_MESSAGE)?pnid->uCallbackMessage:0);
SYSTRAY_SetTip (*ptrayItem, (pnid->uFlags&NIF_TIP) ?pnid->szTip :"");
(*ptrayItem)->nextTrayItem = NULL; /* may be overkill after the ZeroMemory call. */
/* Repaint all system tray icons as we have added one. */
SYSTRAY_RepaintAll();
TRACE("%p: 0x%08x %d %s\n", (*ptrayItem), (*ptrayItem)->notifyIcon.hWnd,
(*ptrayItem)->notifyIcon.uID,
(*ptrayItem)->notifyIcon.szTip);
return TRUE;
}
static BOOL SYSTRAY_Modify(PNOTIFYICONDATAA pnid)
{
SystrayData *ptrayItem = systray.systrayItemList;
while ( ptrayItem )
{
if ( SYSTRAY_IsEqual(pnid, &ptrayItem->notifyIcon) )
{
if (pnid->uFlags & NIF_ICON)
{
SYSTRAY_SetIcon(ptrayItem, pnid->hIcon);
SYSTRAY_RepaintItem(ptrayItem->nitem);
}
if (pnid->uFlags & NIF_MESSAGE)
SYSTRAY_SetMessage(ptrayItem, pnid->uCallbackMessage);
if (pnid->uFlags & NIF_TIP)
SYSTRAY_ModifyTip(ptrayItem, pnid->szTip);
TRACE("%p: 0x%08x %d %s\n", ptrayItem, ptrayItem->notifyIcon.hWnd,
ptrayItem->notifyIcon.uID, ptrayItem->notifyIcon.szTip);
return TRUE;
}
ptrayItem = ptrayItem->nextTrayItem;
}
return FALSE; /* not found */
}
static BOOL SYSTRAY_Delete(PNOTIFYICONDATAA pnid)
{
SystrayData **ptrayItem = &systray.systrayItemList;
while (*ptrayItem)
{
if (SYSTRAY_IsEqual(pnid, &(*ptrayItem)->notifyIcon))
{
SystrayData *next = (*ptrayItem)->nextTrayItem;
TRACE("%p: 0x%08x %d %s\n", *ptrayItem, (*ptrayItem)->notifyIcon.hWnd,
(*ptrayItem)->notifyIcon.uID, (*ptrayItem)->notifyIcon.szTip);
SYSTRAY_TermItem(*ptrayItem);
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DestroyIcon ((*ptrayItem)->notifyIcon.hIcon);
DestroyWindow((*ptrayItem)->hWndToolTip);
DestroyWindow((*ptrayItem)->hWnd);
free(*ptrayItem);
*ptrayItem = next;
SYSTRAY_RepaintAll();
return TRUE;
}
ptrayItem = &((*ptrayItem)->nextTrayItem);
}
return FALSE; /* not found */
}
/*************************************************************************
*
*/
BOOL SYSTRAY_Init(void)
{
if (!systray.hasCritSection)
{
systray.hasCritSection=1;
InitializeCriticalSection(&systray.critSection);
MakeCriticalSectionGlobal(&systray.critSection);
TRACE(" =%p\n", &systray.critSection);
}
return TRUE;
}
/*************************************************************************
* Shell_NotifyIconA [SHELL32.297]
*/
BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid )
{
BOOL flag=FALSE;
TRACE("wait %d %d %ld\n", pnid->hWnd, pnid->uID, dwMessage);
/* must be serialized because all apps access same systray */
EnterCriticalSection(&systray.critSection);
TRACE("enter %d %d %ld\n", pnid->hWnd, pnid->uID, dwMessage);
switch(dwMessage) {
case NIM_ADD:
TRACE("Calling systray add\n");
flag = SYSTRAY_Add(pnid);
break;
case NIM_MODIFY:
flag = SYSTRAY_Modify(pnid);
break;
case NIM_DELETE:
flag = SYSTRAY_Delete(pnid);
break;
}
LeaveCriticalSection(&systray.critSection);
TRACE("leave %d %d %ld\n", pnid->hWnd, pnid->uID, dwMessage);
return flag;
}
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/*************************************************************************
* Shell_NotifyIconW [SHELL32.297]
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*/
BOOL WINAPI Shell_NotifyIconW (DWORD dwMessage, PNOTIFYICONDATAW pnid )
{
BOOL ret;
PNOTIFYICONDATAA p = HeapAlloc(GetProcessHeap(),0,sizeof(NOTIFYICONDATAA));
memcpy(p, pnid, sizeof(NOTIFYICONDATAA));
if (*(pnid->szTip))
lstrcpynWtoA (p->szTip, pnid->szTip, 64 );
ret = Shell_NotifyIconA(dwMessage, p );
HeapFree(GetProcessHeap(),0,p);
return ret;
}
/*************************************************************************
* Shell_NotifyIcon [SHELL32.296]
*/
BOOL WINAPI Shell_NotifyIcon(DWORD dwMessage, PNOTIFYICONDATAA pnid)
{
return Shell_NotifyIconA(dwMessage, pnid);
}