dlls/shell32/systray.c

   1 /*
   2  *      Systray
   3  *
   4  *      Copyright 1999 Kai Morich       <kai.morich@bigfoot.de>
   5  *
   6  *  Manage the systray window. That it actually appears in the docking
   7  *  area of KDE or GNOME is delegated to windows/x11drv/wnd.c,
   8  *  X11DRV_WND_DockWindow.
   9  *
  10  */
  11
  12 #include <unistd.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15
  16 #include "winnls.h"
  17 #include "shlobj.h"
  18 #include "shellapi.h"
  19 #include "shell32_main.h"
  20 #include "commctrl.h"
  21 #include "debugtools.h"
  22 #include "heap.h"
  23 #include "config.h"
  24
  25 DEFAULT_DEBUG_CHANNEL(shell);
  26
  27 typedef struct SystrayItem {
  28   HWND                  hWnd;
  29   HWND                  hWndToolTip;
  30   NOTIFYICONDATAA       notifyIcon;
  31   struct SystrayItem    *nextTrayItem;
  32 } SystrayItem;
  33
  34 static SystrayItem *systray=NULL;
  35 static int firstSystray=TRUE; /* defer creation of window class until first systray item is created */
  36
  37 static BOOL SYSTRAY_Delete(PNOTIFYICONDATAA pnid);
  38
  39
  40 #define ICON_SIZE GetSystemMetrics(SM_CXSMICON)
  41 /* space around icon (forces icon to center of KDE systray area) */
  42 #define ICON_BORDER  4
  43
  44
  45
  46 static BOOL SYSTRAY_ItemIsEqual(PNOTIFYICONDATAA pnid1, PNOTIFYICONDATAA pnid2)
  47 {
  48   if (pnid1->hWnd != pnid2->hWnd) return FALSE;
  49   if (pnid1->uID  != pnid2->uID)  return FALSE;
  50   return TRUE;
  51 }
  52
  53 static LRESULT CALLBACK SYSTRAY_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
  54 {
  55   HDC hdc;
  56   PAINTSTRUCT ps;
  57
  58   switch (message) {
  59   case WM_PAINT:
  60   {
  61     RECT rc;
  62     SystrayItem  *ptrayItem = systray;
  63
  64     while (ptrayItem) {
  65       if (ptrayItem->hWnd==hWnd) {
  66         if (ptrayItem->notifyIcon.hIcon) {
  67           hdc = BeginPaint(hWnd, &ps);
  68           GetClientRect(hWnd, &rc);
  69           if (!DrawIconEx(hdc, rc.left+ICON_BORDER, rc.top+ICON_BORDER, ptrayItem->notifyIcon.hIcon,
  70                           ICON_SIZE, ICON_SIZE, 0, 0, DI_DEFAULTSIZE|DI_NORMAL)) {
  71             ERR("Paint(SystrayWindow 0x%08x) failed -> removing SystrayItem %p\n", hWnd, ptrayItem);
  72             SYSTRAY_Delete(&ptrayItem->notifyIcon);
  73           }
  74         }
  75         break;
  76       }
  77       ptrayItem = ptrayItem->nextTrayItem;
  78     }
  79     EndPaint(hWnd, &ps);
  80   }
  81   break;
  82
  83   case WM_MOUSEMOVE:
  84   case WM_LBUTTONDOWN:
  85   case WM_LBUTTONUP:
  86   case WM_RBUTTONDOWN:
  87   case WM_RBUTTONUP:
  88   case WM_MBUTTONDOWN:
  89   case WM_MBUTTONUP:
  90   {
  91     MSG msg;
  92     SystrayItem *ptrayItem = systray;
  93
  94     while ( ptrayItem ) {
  95       if (ptrayItem->hWnd == hWnd) {
  96         msg.hwnd=hWnd;
  97         msg.message=message;
  98         msg.wParam=wParam;
  99         msg.lParam=lParam;
 100         msg.time = GetMessageTime ();
 101         msg.pt.x = LOWORD(GetMessagePos ());
 102         msg.pt.y = HIWORD(GetMessagePos ());
 103
 104         SendMessageA(ptrayItem->hWndToolTip, TTM_RELAYEVENT, 0, (LPARAM)&msg);
 105       }
 106       ptrayItem = ptrayItem->nextTrayItem;
 107     }
 108   }
 109   /* fallthru */
 110
 111   case WM_LBUTTONDBLCLK:
 112   case WM_RBUTTONDBLCLK:
 113   case WM_MBUTTONDBLCLK:
 114   {
 115     SystrayItem *ptrayItem = systray;
 116
 117     while (ptrayItem) {
 118       if (ptrayItem->hWnd == hWnd) {
 119         if (ptrayItem->notifyIcon.hWnd && ptrayItem->notifyIcon.uCallbackMessage) {
 120           if (!PostMessageA(ptrayItem->notifyIcon.hWnd, ptrayItem->notifyIcon.uCallbackMessage,
 121                             (WPARAM)ptrayItem->notifyIcon.uID, (LPARAM)message)) {
 122               ERR("PostMessage(SystrayWindow 0x%08x) failed -> removing SystrayItem %p\n", hWnd, ptrayItem);
 123               SYSTRAY_Delete(&ptrayItem->notifyIcon);
 124             }
 125         }
 126         break;
 127       }
 128       ptrayItem = ptrayItem->nextTrayItem;
 129     }
 130   }
 131   break;
 132
 133   default:
 134     return (DefWindowProcA(hWnd, message, wParam, lParam));
 135   }
 136   return (0);
 137
 138 }
 139
 140
 141 BOOL SYSTRAY_RegisterClass(void)
 142 {
 143   WNDCLASSA  wc;
 144
 145   wc.style         = CS_SAVEBITS;
 146   wc.lpfnWndProc   = (WNDPROC)SYSTRAY_WndProc;
 147   wc.cbClsExtra    = 0;
 148   wc.cbWndExtra    = 0;
 149   wc.hInstance     = 0;
 150   wc.hIcon         = 0;
 151   wc.hCursor       = LoadCursorA(0, IDC_ARROWA);
 152   wc.hbrBackground = (HBRUSH)(COLOR_WINDOW);
 153   wc.lpszMenuName  = NULL;
 154   wc.lpszClassName = "WineSystray";
 155
 156   if (!RegisterClassA(&wc)) {
 157     ERR("RegisterClass(WineSystray) failed\n");
 158     return FALSE;
 159   }
 160   return TRUE;
 161 }
 162
 163
 164 BOOL SYSTRAY_ItemInit(SystrayItem *ptrayItem)
 165 {
 166   RECT rect;
 167
 168   /* Register the class if this is our first tray item. */
 169   if ( firstSystray ) {
 170     firstSystray = FALSE;
 171     if ( !SYSTRAY_RegisterClass() ) {
 172       ERR( "RegisterClass(WineSystray) failed\n" );
 173       return FALSE;
 174     }
 175   }
 176
 177   /* Initialize the window size. */
 178   rect.left   = 0;
 179   rect.top    = 0;
 180   rect.right  = ICON_SIZE+2*ICON_BORDER;
 181   rect.bottom = ICON_SIZE+2*ICON_BORDER;
 182
 183   ZeroMemory( ptrayItem, sizeof(SystrayItem) );
 184   /* Create tray window for icon. */
 185   ptrayItem->hWnd = CreateWindowExA( WS_EX_TRAYWINDOW,
 186                                 "WineSystray", "Wine-Systray",
 187                                 WS_VISIBLE,
 188                                 CW_USEDEFAULT, CW_USEDEFAULT,
 189                                 rect.right-rect.left, rect.bottom-rect.top,
 190                                 0, 0, 0, 0 );
 191   if ( !ptrayItem->hWnd ) {
 192     ERR( "CreateWindow(WineSystray) failed\n" );
 193     return FALSE;
 194   }
 195
 196   /* Create tooltip for icon. */
 197   ptrayItem->hWndToolTip = CreateWindowA( TOOLTIPS_CLASSA,NULL,TTS_ALWAYSTIP,
 198                                      CW_USEDEFAULT, CW_USEDEFAULT,
 199                                      CW_USEDEFAULT, CW_USEDEFAULT,
 200                                      ptrayItem->hWnd, 0, 0, 0 );
 201   if ( !ptrayItem->hWndToolTip ) {
 202     ERR( "CreateWindow(TOOLTIP) failed\n" );
 203     return FALSE;
 204   }
 205   return TRUE;
 206 }
 207
 208
 209 static void SYSTRAY_ItemTerm(SystrayItem *ptrayItem)
 210 {
 211   if(ptrayItem->notifyIcon.hIcon)
 212      DestroyIcon(ptrayItem->notifyIcon.hIcon);
 213   if(ptrayItem->hWndToolTip)
 214       DestroyWindow(ptrayItem->hWndToolTip);
 215   if(ptrayItem->hWnd)
 216     DestroyWindow(ptrayItem->hWnd);
 217   return;
 218 }
 219
 220
 221 void SYSTRAY_ItemSetMessage(SystrayItem *ptrayItem, UINT uCallbackMessage)
 222 {
 223   ptrayItem->notifyIcon.uCallbackMessage = uCallbackMessage;
 224 }
 225
 226
 227 void SYSTRAY_ItemSetIcon(SystrayItem *ptrayItem, HICON hIcon)
 228 {
 229   ptrayItem->notifyIcon.hIcon = CopyIcon(hIcon);
 230   InvalidateRect(ptrayItem->hWnd, NULL, TRUE);
 231 }
 232
 233
 234 void SYSTRAY_ItemSetTip(SystrayItem *ptrayItem, CHAR* szTip, int modify)
 235 {
 236   TTTOOLINFOA ti;
 237
 238   strncpy(ptrayItem->notifyIcon.szTip, szTip, sizeof(ptrayItem->notifyIcon.szTip));
 239   ptrayItem->notifyIcon.szTip[sizeof(ptrayItem->notifyIcon.szTip)-1]=0;
 240
 241   ti.cbSize = sizeof(TTTOOLINFOA);
 242   ti.uFlags = 0;
 243   ti.hwnd = ptrayItem->hWnd;
 244   ti.hinst = 0;
 245   ti.uId = 0;
 246   ti.lpszText = ptrayItem->notifyIcon.szTip;
 247   ti.rect.left   = 0;
 248   ti.rect.top    = 0;
 249   ti.rect.right  = ICON_SIZE+2*ICON_BORDER;
 250   ti.rect.bottom = ICON_SIZE+2*ICON_BORDER;
 251
 252   if(modify)
 253     SendMessageA(ptrayItem->hWndToolTip, TTM_UPDATETIPTEXTA, 0, (LPARAM)&ti);
 254   else
 255     SendMessageA(ptrayItem->hWndToolTip, TTM_ADDTOOLA, 0, (LPARAM)&ti);
 256 }
 257
 258
 259 static BOOL SYSTRAY_Add(PNOTIFYICONDATAA pnid)
 260 {
 261   SystrayItem **ptrayItem = &systray;
 262
 263   /* Find last element. */
 264   while( *ptrayItem ) {
 265     if ( SYSTRAY_ItemIsEqual(pnid, &(*ptrayItem)->notifyIcon) )
 266       return FALSE;
 267     ptrayItem = &((*ptrayItem)->nextTrayItem);
 268   }
 269   /* Allocate SystrayItem for element and add to end of list. */
 270   (*ptrayItem) = ( SystrayItem *)malloc( sizeof(SystrayItem) );
 271
 272   /* Initialize and set data for the tray element. */
 273   SYSTRAY_ItemInit( (*ptrayItem) );
 274   (*ptrayItem)->notifyIcon.uID = pnid->uID; /* only needed for callback message */
 275   (*ptrayItem)->notifyIcon.hWnd = pnid->hWnd; /* only needed for callback message */
 276   SYSTRAY_ItemSetIcon   (*ptrayItem, (pnid->uFlags&NIF_ICON)   ?pnid->hIcon           :0);
 277   SYSTRAY_ItemSetMessage(*ptrayItem, (pnid->uFlags&NIF_MESSAGE)?pnid->uCallbackMessage:0);
 278   SYSTRAY_ItemSetTip    (*ptrayItem, (pnid->uFlags&NIF_TIP)    ?pnid->szTip           :"", FALSE);
 279
 280   TRACE("%p: 0x%08x %s\n",  (*ptrayItem), (*ptrayItem)->notifyIcon.hWnd,
 281                                           (*ptrayItem)->notifyIcon.szTip);
 282   return TRUE;
 283 }
 284
 285
 286 static BOOL SYSTRAY_Modify(PNOTIFYICONDATAA pnid)
 287 {
 288   SystrayItem *ptrayItem = systray;
 289
 290   while ( ptrayItem ) {
 291     if ( SYSTRAY_ItemIsEqual(pnid, &ptrayItem->notifyIcon) ) {
 292       if (pnid->uFlags & NIF_ICON)
 293         SYSTRAY_ItemSetIcon(ptrayItem, pnid->hIcon);
 294       if (pnid->uFlags & NIF_MESSAGE)
 295         SYSTRAY_ItemSetMessage(ptrayItem, pnid->uCallbackMessage);
 296       if (pnid->uFlags & NIF_TIP)
 297         SYSTRAY_ItemSetTip(ptrayItem, pnid->szTip, TRUE);
 298
 299       TRACE("%p: 0x%08x %s\n", ptrayItem, ptrayItem->notifyIcon.hWnd, ptrayItem->notifyIcon.szTip);
 300       return TRUE;
 301     }
 302     ptrayItem = ptrayItem->nextTrayItem;
 303   }
 304   return FALSE; /* not found */
 305 }
 306
 307
 308 static BOOL SYSTRAY_Delete(PNOTIFYICONDATAA pnid)
 309 {
 310   SystrayItem **ptrayItem = &systray;
 311
 312   while (*ptrayItem) {
 313     if (SYSTRAY_ItemIsEqual(pnid, &(*ptrayItem)->notifyIcon)) {
 314       SystrayItem *next = (*ptrayItem)->nextTrayItem;
 315       TRACE("%p: 0x%08x %s\n", *ptrayItem, (*ptrayItem)->notifyIcon.hWnd, (*ptrayItem)->notifyIcon.szTip);
 316       SYSTRAY_ItemTerm(*ptrayItem);
 317
 318       free(*ptrayItem);
 319       *ptrayItem = next;
 320
 321       return TRUE;
 322     }
 323     ptrayItem = &((*ptrayItem)->nextTrayItem);
 324   }
 325
 326   return FALSE; /* not found */
 327 }
 328
 329 /*************************************************************************
 330  *
 331  */
 332 BOOL SYSTRAY_Init(void)
 333 {
 334   return TRUE;
 335 }
 336
 337 /*************************************************************************
 338  * Shell_NotifyIconA                    [SHELL32.297][SHELL32.296]
 339  */
 340 BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid )
 341 {
 342   BOOL flag=FALSE;
 343   TRACE("enter %d %d %ld\n", pnid->hWnd, pnid->uID, dwMessage);
 344   switch(dwMessage) {
 345   case NIM_ADD:
 346     flag = SYSTRAY_Add(pnid);
 347     break;
 348   case NIM_MODIFY:
 349     flag = SYSTRAY_Modify(pnid);
 350     break;
 351   case NIM_DELETE:
 352     flag = SYSTRAY_Delete(pnid);
 353     break;
 354   }
 355   TRACE("leave %d %d %ld=%d\n", pnid->hWnd, pnid->uID, dwMessage, flag);
 356   return flag;
 357 }
 358
 359 /*************************************************************************
 360  * Shell_NotifyIconW                    [SHELL32.298]
 361  */
 362 BOOL WINAPI Shell_NotifyIconW (DWORD dwMessage, PNOTIFYICONDATAW pnid )
 363 {
 364         BOOL ret;
 365
 366         PNOTIFYICONDATAA p = HeapAlloc(GetProcessHeap(),0,sizeof(NOTIFYICONDATAA));
 367         memcpy(p, pnid, sizeof(NOTIFYICONDATAA));
 368         WideCharToMultiByte( CP_ACP, 0, pnid->szTip, -1, p->szTip, sizeof(p->szTip), NULL, NULL );
 369         p->szTip[sizeof(p->szTip)-1] = 0;
 370
 371         ret = Shell_NotifyIconA(dwMessage, p );
 372
 373         HeapFree(GetProcessHeap(),0,p);
 374         return ret;
 375 }