subsys/system/explorer/taskbar/traynotify.cpp

   1 /*
   2  * Copyright 2003 Martin Fuchs
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19
  20  //
  21  // Explorer clone
  22  //
  23  // traynotify.cpp
  24  //
  25  // Martin Fuchs, 22.08.2003
  26  //
  27
  28
  29 #include "../utility/utility.h"
  30
  31 #include "../explorer.h"
  32 #include "../globals.h"
  33
  34 #include "traynotify.h"
  35
  36
  37 NotifyIconIndex::NotifyIconIndex(NOTIFYICONDATA* pnid)
  38 {
  39         _hWnd = pnid->hWnd;
  40         _uID = pnid->uID;
  41
  42          // special handling for windows task manager
  43         if ((int)_uID < 0)
  44                 _uID = 0;
  45 }
  46
  47 NotifyIconIndex::NotifyIconIndex()
  48 {
  49         _hWnd = 0;
  50         _uID = 0;
  51 }
  52
  53
  54 NotifyInfo::NotifyInfo()
  55 {
  56         _idx = -1;
  57         _hIcon = 0;
  58         _dwState = 0;
  59         _uCallbackMessage = 0;
  60 }
  61
  62 NotifyInfo& NotifyInfo::operator=(NOTIFYICONDATA* pnid)
  63 {
  64         _hWnd = pnid->hWnd;
  65         _uID = pnid->uID;
  66
  67         if (pnid->uFlags & NIF_MESSAGE)
  68                 _uCallbackMessage = pnid->uCallbackMessage;
  69
  70         if (pnid->uFlags & NIF_ICON)
  71                 _hIcon = pnid->hIcon;
  72
  73 #ifdef NIF_STATE        // currently (as of 21.08.2003) missing in MinGW headers
  74         if (pnid->uFlags & NIF_STATE)
  75                 _dwState = (_dwState&~pnid->dwStateMask) | (pnid->dwState&pnid->dwStateMask);
  76 #endif
  77
  78         //TODO: store and display tool tip texts
  79
  80         return *this;
  81 }
  82
  83
  84 NotifyArea::NotifyArea(HWND hwnd)
  85  :      super(hwnd)
  86 {
  87         _next_idx = 0;
  88 }
  89
  90 LRESULT NotifyArea::Init(LPCREATESTRUCT pcs)
  91 {
  92         if (super::Init(pcs))
  93                 return 1;
  94
  95          // create clock window
  96         _hwndClock = ClockWindow::Create(_hwnd);
  97
  98         SetTimer(_hwnd, 0, 1000, NULL);
  99
 100         return 0;
 101 }
 102
 103 NotifyArea::~NotifyArea()
 104 {
 105         KillTimer(_hwnd, 0);
 106 }
 107
 108 HWND NotifyArea::Create(HWND hwndParent)
 109 {
 110         ClientRect clnt(hwndParent);
 111
 112         return Window::Create(WINDOW_CREATOR(NotifyArea), WS_EX_STATICEDGE,
 113                                                         BtnWindowClass(CLASSNAME_TRAYNOTIFY,CS_DBLCLKS), TITLE_TRAYNOTIFY, WS_CHILD|WS_VISIBLE,
 114                                                         clnt.right-(NOTIFYAREA_WIDTH+1), 1, NOTIFYAREA_WIDTH, clnt.bottom-2, hwndParent);
 115 }
 116
 117 LRESULT NotifyArea::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
 118 {
 119         switch(nmsg) {
 120           case WM_PAINT:
 121                 Paint();
 122                 break;
 123
 124           case WM_TIMER: {
 125                 TimerTick();
 126
 127                 ClockWindow* clock_window = GET_WINDOW(ClockWindow, _hwndClock);
 128
 129                 if (clock_window)
 130                         clock_window->TimerTick();
 131                 break;}
 132
 133           default:
 134                 if (nmsg>=WM_MOUSEFIRST && nmsg<=WM_MOUSELAST) {
 135                          // close startup menu and other popup menus
 136                          // This functionality is missing in MS Windows.
 137                         if (nmsg==WM_LBUTTONDOWN || nmsg==WM_MBUTTONDOWN || nmsg==WM_RBUTTONDOWN
 138 #ifdef WM_XBUTTONDOWN
 139                                 || nmsg==WM_XBUTTONDOWN
 140 #endif
 141                                 )
 142                                 CancelModes();
 143
 144                         NotifyIconSet::iterator found = IconHitTest(Point(lparam));
 145
 146                         if (found != _sorted_icons.end()) {
 147                                 NotifyInfo& entry = const_cast<NotifyInfo&>(*found);    // Why does GCC 3.3 need this additional const_cast ?!
 148
 149         //TODO: AttachThreadInput() für SetForegroundWindow() in Client-Prozess
 150
 151                                  // Notify the message if the owner if it's still alive
 152                                 if (IsWindow(entry._hWnd))
 153                                         PostMessage(entry._hWnd, entry._uCallbackMessage, entry._uID, nmsg);
 154                                 else if (_icon_map.erase(entry))        // delete icons without valid owner window
 155                                         Refresh();
 156                         }
 157                 }
 158
 159                 return super::WndProc(nmsg, wparam, lparam);
 160         }
 161
 162         return 0;
 163 }
 164
 165 void NotifyArea::CancelModes()
 166 {
 167         PostMessage(HWND_BROADCAST, WM_CANCELMODE, 0, 0);
 168
 169         for(NotifyIconSet::const_iterator it=_sorted_icons.begin(); it!=_sorted_icons.end(); ++it)
 170                 PostMessage(it->_hWnd, WM_CANCELMODE, 0, 0);
 171 }
 172
 173 LRESULT NotifyArea::ProcessTrayNotification(int notify_code, NOTIFYICONDATA* pnid)
 174 {
 175         switch(notify_code) {
 176           case NIM_ADD:
 177           case NIM_MODIFY:
 178                 if ((int)pnid->uID >= 0) {      //TODO: fix for windows task manager
 179                         NotifyInfo& entry = _icon_map[pnid] = pnid;
 180
 181                          // a new entry?
 182                         if (entry._idx == -1)
 183                                 entry._idx = ++_next_idx;
 184
 185                         Refresh();      //TODO: call only if really changes occurred
 186                 }
 187                 break;
 188
 189           case NIM_DELETE:
 190                 if (_icon_map.erase(pnid))
 191                         Refresh();
 192                 break;
 193
 194 #if NOTIFYICON_VERSION>=3       // currently (as of 21.08.2003) missing in MinGW headers
 195           case NIM_SETFOCUS:
 196                 break;
 197
 198           case NIM_SETVERSION:
 199                 break;
 200 #endif
 201         }
 202
 203         return 0;
 204 }
 205
 206 void NotifyArea::Refresh()
 207 {
 208         _sorted_icons.clear();
 209
 210          // sort icon infos by display index
 211         for(NotifyIconMap::const_iterator it=_icon_map.begin(); it!=_icon_map.end(); ++it) {
 212                 const NotifyInfo& entry = it->second;
 213
 214 #ifdef NIF_STATE        // currently (as of 21.08.2003) missing in MinGW headers
 215                 if (!(entry._dwState & NIS_HIDDEN))
 216 #endif
 217                         _sorted_icons.insert(entry);
 218         }
 219
 220         InvalidateRect(_hwnd, NULL, FALSE);     // refresh icon display
 221         UpdateWindow(_hwnd);
 222 }
 223
 224 void NotifyArea::Paint()
 225 {
 226         BufferedPaintCanvas canvas(_hwnd);
 227
 228          // first fill with the background color
 229         FillRect(canvas, &canvas.rcPaint, GetSysColorBrush(COLOR_BTNFACE));
 230
 231          // draw icons
 232         int x = 2;
 233         int y = 2;
 234
 235         for(NotifyIconSet::const_iterator it=_sorted_icons.begin(); it!=_sorted_icons.end(); ++it) {
 236                 DrawIconEx(canvas, x, y, it->_hIcon, 16, 16, 0, 0, DI_NORMAL);
 237                 x += 20;
 238         }
 239 }
 240
 241 void NotifyArea::TimerTick()
 242 {
 243         bool do_refresh = false;
 244
 245          // Look for task icons without valid owner window.
 246          // This is an advanced feature, which is missing in MS Windows.
 247         for(NotifyIconSet::const_iterator it=_sorted_icons.begin(); it!=_sorted_icons.end(); ++it) {
 248                 const NotifyInfo& entry = *it;
 249
 250                 if (!IsWindow(entry._hWnd))
 251                         if (_icon_map.erase(entry))     // delete icons without valid owner window
 252                                 ++do_refresh;
 253         }
 254
 255         if (do_refresh)
 256                 Refresh();
 257 }
 258
 259  /// search for a icon at a given client coordinate position
 260 NotifyIconSet::iterator NotifyArea::IconHitTest(const POINT& pos)
 261 {
 262         if (pos.y<2 || pos.y>=2+16)
 263                 return _sorted_icons.end();
 264
 265         NotifyIconSet::iterator it = _sorted_icons.begin();
 266
 267         int x = 2;
 268
 269         for(; it!=_sorted_icons.end(); ++it) {
 270                 NotifyInfo& entry = const_cast<NotifyInfo&>(*it);       // Why does GCC 3.3 need this additional const_cast ?!
 271
 272                 if (pos.x>=x && pos.x<x+16)
 273                         break;
 274
 275                 x += 20;
 276         }
 277
 278         return it;
 279 }
 280
 281
 282 ClockWindow::ClockWindow(HWND hwnd)
 283  :      super(hwnd),
 284         _tooltip(hwnd)
 285 {
 286         *_time = _T('\0');
 287         FormatTime();
 288
 289         _tooltip.add(_hwnd, _hwnd);
 290 }
 291
 292 HWND ClockWindow::Create(HWND hwndParent)
 293 {
 294         ClientRect clnt(hwndParent);
 295
 296         return Window::Create(WINDOW_CREATOR(ClockWindow), 0,
 297                                                         BtnWindowClass(CLASSNAME_CLOCKWINDOW,CS_DBLCLKS), NULL, WS_CHILD|WS_VISIBLE,
 298                                                         clnt.right-(CLOCKWINDOW_WIDTH+1), 1, CLOCKWINDOW_WIDTH, clnt.bottom-2, hwndParent);
 299 }
 300
 301 LRESULT ClockWindow::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
 302 {
 303         switch(nmsg) {
 304           case WM_PAINT:
 305                 Paint();
 306                 break;
 307
 308           case WM_LBUTTONDBLCLK:
 309                 //launch_file(_hwnd, _T("timedate.cpl"), SW_SHOWNORMAL);        // This would be enough, but we want the fastest solution.
 310                 //launch_file(_hwnd, _T("rundll32.exe /d shell32.dll,Control_RunDLL timedate.cpl"), SW_SHOWNORMAL);
 311                 RunDLL(_hwnd, _T("shell32"), "Control_RunDLL", _T("timedate.cpl"), SW_SHOWNORMAL);
 312                 break;
 313
 314           default:
 315                 return super::WndProc(nmsg, wparam, lparam);
 316         }
 317
 318         return 0;
 319 }
 320
 321 int ClockWindow::Notify(int id, NMHDR* pnmh)
 322 {
 323         if (pnmh->code == TTN_GETDISPINFO) {
 324                 LPNMTTDISPINFO pdi = (LPNMTTDISPINFO)pnmh;
 325
 326                 SYSTEMTIME systime;
 327                 TCHAR buffer[64];
 328
 329                 GetLocalTime(&systime);
 330                 GetDateFormat(LOCALE_USER_DEFAULT, DATE_LONGDATE, &systime, NULL, buffer, 64);
 331
 332                 _tcscpy(pdi->szText, buffer);
 333         }
 334
 335         return 0;
 336 }
 337
 338 void ClockWindow::TimerTick()
 339 {
 340         if (FormatTime())
 341                 InvalidateRect(_hwnd, NULL, TRUE);      // refresh displayed time
 342 }
 343
 344 bool ClockWindow::FormatTime()
 345 {
 346         SYSTEMTIME systime;
 347         TCHAR buffer[16];
 348
 349         GetLocalTime(&systime);
 350
 351         //_stprintf(buffer, TEXT("%02d:%02d:%02d"), systime.wHour, systime.wMinute, systime.wSecond);
 352         _stprintf(buffer, TEXT("%02d:%02d"), systime.wHour, systime.wMinute);
 353
 354         if (_tcscmp(buffer, _time)) {
 355                 _tcscpy(_time, buffer);
 356                 return true;    // The text to display has changed.
 357         }
 358
 359         return false;   // no change
 360 }
 361
 362 void ClockWindow::Paint()
 363 {
 364         PaintCanvas canvas(_hwnd);
 365
 366         BkMode bkmode(canvas, TRANSPARENT);
 367         FontSelection font(canvas, GetStockFont(ANSI_VAR_FONT));
 368
 369         DrawText(canvas, _time, -1, ClientRect(_hwnd), DT_SINGLELINE|DT_VCENTER|DT_NOPREFIX);
 370 }