src/os2/taskbar.cpp

   1 /////////////////////////////////////////////////////////////////////////
   2 // File:        taskbar.cpp
   3 // Purpose:         Implements wxTaskBarIcon class for manipulating icons on
   4 //              the task bar. Optional.
   5 // Author:      David Webster
   6 // Modified by:
   7 // Created:     10/17/99
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) David Webster
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////
  12
  13 // For compilers that support precompilation, includes "wx.h".
  14 #include "wx/wxprec.h"
  15
  16 #ifndef WX_PRECOMP
  17 #include "wx/defs.h"
  18 #include "wx/window.h"
  19 #include "wx/frame.h"
  20 #include "wx/utils.h"
  21 #include "wx/menu.h"
  22 #endif
  23
  24 #define INCL_PM
  25 #include <os2.h>
  26 #include <string.h>
  27 #include <wx/os2/taskbar.h>
  28 #include <wx/os2/private.h>
  29
  30 MRESULT wxTaskBarIconWindowProc( HWND hWnd, UINT msg, MPARAM wParam, MPARAM lParam );
  31
  32 wxChar *wxTaskBarWindowClass = wxT("wxTaskBarWindowClass");
  33
  34 wxList wxTaskBarIcon::sm_taskBarIcons;
  35 bool   wxTaskBarIcon::sm_registeredClass = FALSE;
  36 UINT   wxTaskBarIcon::sm_taskbarMsg = 0;
  37
  38
  39 #if !USE_SHARED_LIBRARY
  40 BEGIN_EVENT_TABLE(wxTaskBarIcon, wxEvtHandler)
  41     EVT_TASKBAR_MOVE         (wxTaskBarIcon::_OnMouseMove)
  42     EVT_TASKBAR_LEFT_DOWN    (wxTaskBarIcon::_OnLButtonDown)
  43     EVT_TASKBAR_LEFT_UP      (wxTaskBarIcon::_OnLButtonUp)
  44     EVT_TASKBAR_RIGHT_DOWN   (wxTaskBarIcon::_OnRButtonDown)
  45     EVT_TASKBAR_RIGHT_UP     (wxTaskBarIcon::_OnRButtonUp)
  46     EVT_TASKBAR_LEFT_DCLICK  (wxTaskBarIcon::_OnLButtonDClick)
  47     EVT_TASKBAR_RIGHT_DCLICK (wxTaskBarIcon::_OnRButtonDClick)
  48 END_EVENT_TABLE()
  49
  50 IMPLEMENT_DYNAMIC_CLASS(wxTaskBarIcon, wxEvtHandler)
  51 #endif
  52
  53
  54 wxTaskBarIcon::wxTaskBarIcon(void)
  55 {
  56     m_hWnd = 0;
  57     m_iconAdded = FALSE;
  58
  59     AddObject(this);
  60 // TODO:
  61 /*
  62     if (RegisterWindowClass())
  63         m_hWnd = CreateTaskBarWindow();
  64 */
  65 }
  66
  67 wxTaskBarIcon::~wxTaskBarIcon(void)
  68 {
  69 // TODO:
  70 /*
  71     RemoveObject(this);
  72
  73     if (m_iconAdded)
  74     {
  75         RemoveIcon();
  76     }
  77
  78     if (m_hWnd)
  79     {
  80         ::DestroyWindow((HWND) m_hWnd);
  81         m_hWnd = 0;
  82     }
  83 */
  84 }
  85
  86 // Operations
  87 bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
  88 {
  89     if (!IsOK())
  90         return FALSE;
  91 // TODO:
  92 /*
  93     NOTIFYICONDATA notifyData;
  94
  95     memset(&notifyData, 0, sizeof(notifyData));
  96     notifyData.cbSize = sizeof(notifyData);
  97     notifyData.hWnd = (HWND) m_hWnd;
  98     notifyData.uCallbackMessage = sm_taskbarMsg;
  99     notifyData.uFlags = NIF_MESSAGE ;
 100     if (icon.Ok())
 101     {
 102         notifyData.uFlags |= NIF_ICON;
 103         notifyData.hIcon = (HICON) icon.GetHICON();
 104     }
 105
 106     if (((const wxChar*) tooltip != NULL) && (tooltip != wxT("")))
 107     {
 108         notifyData.uFlags |= NIF_TIP ;
 109         lstrcpyn(notifyData.szTip, WXSTRINGCAST tooltip, sizeof(notifyData.szTip));
 110     }
 111
 112     notifyData.uID = 99;
 113
 114     if (m_iconAdded)
 115         return (Shell_NotifyIcon(NIM_MODIFY, & notifyData) != 0);
 116     else
 117     {
 118         m_iconAdded = (Shell_NotifyIcon(NIM_ADD, & notifyData) != 0);
 119         return m_iconAdded;
 120     }
 121 */
 122     return FALSE;
 123 }
 124
 125 bool wxTaskBarIcon::RemoveIcon(void)
 126 {
 127     if (!m_iconAdded)
 128         return FALSE;
 129 //TODO:
 130 /*
 131     NOTIFYICONDATA notifyData;
 132
 133     memset(&notifyData, 0, sizeof(notifyData));
 134     notifyData.cbSize = sizeof(notifyData);
 135     notifyData.hWnd = (HWND) m_hWnd;
 136     notifyData.uCallbackMessage = sm_taskbarMsg;
 137     notifyData.uFlags = NIF_MESSAGE;
 138     notifyData.hIcon = 0 ; // hIcon;
 139     notifyData.uID = 99;
 140     m_iconAdded = FALSE;
 141
 142     return (Shell_NotifyIcon(NIM_DELETE, & notifyData) != 0);
 143 */
 144     return FALSE;
 145 }
 146
 147 bool wxTaskBarIcon::PopupMenu(wxMenu *menu) //, int x, int y);
 148 {
 149     // OK, so I know this isn't thread-friendly, but
 150     // what to do? We need this check.
 151
 152     static bool s_inPopup = FALSE;
 153
 154     if (s_inPopup)
 155         return FALSE;
 156
 157     s_inPopup = TRUE;
 158
 159     bool        rval = FALSE;
 160     wxWindow*   win;
 161     int         x, y;
 162     wxGetMousePosition(&x, &y);
 163
 164     // is wxFrame the best window type to use???
 165     win = new wxFrame(NULL, -1, "", wxPoint(x,y), wxSize(-1,-1), 0);
 166     win->PushEventHandler(this);
 167
 168     // Remove from record of top-level windows, or will confuse wxWindows
 169     // if we try to exit right now.
 170     wxTopLevelWindows.DeleteObject(win);
 171
 172     menu->UpdateUI();
 173
 174     rval = win->PopupMenu(menu, 0, 0);
 175
 176     win->PopEventHandler(FALSE);
 177     win->Destroy();
 178     delete win;
 179
 180     s_inPopup = FALSE;
 181
 182     return rval;
 183 }
 184
 185 // Overridables
 186 void wxTaskBarIcon::OnMouseMove(wxEvent&)
 187 {
 188 }
 189
 190 void wxTaskBarIcon::OnLButtonDown(wxEvent&)
 191 {
 192 }
 193
 194 void wxTaskBarIcon::OnLButtonUp(wxEvent&)
 195 {
 196 }
 197
 198 void wxTaskBarIcon::OnRButtonDown(wxEvent&)
 199 {
 200 }
 201
 202 void wxTaskBarIcon::OnRButtonUp(wxEvent&)
 203 {
 204 }
 205
 206 void wxTaskBarIcon::OnLButtonDClick(wxEvent&)
 207 {
 208 }
 209
 210 void wxTaskBarIcon::OnRButtonDClick(wxEvent&)
 211 {
 212 }
 213
 214 void wxTaskBarIcon::_OnMouseMove(wxEvent& e)      { OnMouseMove(e);     }
 215 void wxTaskBarIcon::_OnLButtonDown(wxEvent& e)    { OnLButtonDown(e);   }
 216 void wxTaskBarIcon::_OnLButtonUp(wxEvent& e)      { OnLButtonUp(e);     }
 217 void wxTaskBarIcon::_OnRButtonDown(wxEvent& e)    { OnRButtonDown(e);   }
 218 void wxTaskBarIcon::_OnRButtonUp(wxEvent& e)      { OnRButtonUp(e);     }
 219 void wxTaskBarIcon::_OnLButtonDClick(wxEvent& e)  { OnLButtonDClick(e); }
 220 void wxTaskBarIcon::_OnRButtonDClick(wxEvent& e)  { OnRButtonDClick(e); }
 221
 222
 223 wxTaskBarIcon* wxTaskBarIcon::FindObjectForHWND(WXHWND hWnd)
 224 {
 225     wxNode*node = sm_taskBarIcons.First();
 226     while (node)
 227     {
 228         wxTaskBarIcon* obj = (wxTaskBarIcon*) node->Data();
 229         if (obj->GetHWND() == hWnd)
 230             return obj;
 231         node = node->Next();
 232     }
 233     return NULL;
 234 }
 235
 236 void wxTaskBarIcon::AddObject(wxTaskBarIcon* obj)
 237 {
 238     sm_taskBarIcons.Append(obj);
 239 }
 240
 241 void wxTaskBarIcon::RemoveObject(wxTaskBarIcon* obj)
 242 {
 243     sm_taskBarIcons.DeleteObject(obj);
 244 }
 245
 246 bool wxTaskBarIcon::RegisterWindowClass()
 247 {
 248     if (sm_registeredClass)
 249         return TRUE;
 250
 251     // Also register the taskbar message here
 252 // TODO:
 253 /*
 254     sm_taskbarMsg = ::RegisterWindowMessage(wxT("wxTaskBarIconMessage"));
 255
 256     WNDCLASS  wc;
 257     bool      rc;
 258
 259     HINSTANCE hInstance = GetModuleHandle(NULL);
 260
 261     //
 262     // set up and register window class
 263     //
 264     wc.style = CS_HREDRAW | CS_VREDRAW;
 265     wc.lpfnWndProc = (WNDPROC) wxTaskBarIconWindowProc;
 266     wc.cbClsExtra = 0;
 267     wc.cbWndExtra = 0;
 268     wc.hInstance = hInstance;
 269     wc.hIcon = 0;
 270     wc.hCursor = 0;
 271     wc.hbrBackground = 0;
 272     wc.lpszMenuName = NULL;
 273     wc.lpszClassName = wxTaskBarWindowClass ;
 274     rc = (::RegisterClass( &wc ) != 0);
 275
 276     sm_registeredClass = (rc != 0);
 277
 278     return( (rc != 0) );
 279 */
 280     return FALSE;
 281 }
 282
 283 WXHWND wxTaskBarIcon::CreateTaskBarWindow()
 284 {
 285 // TODO:
 286 /*
 287     HINSTANCE hInstance = GetModuleHandle(NULL);
 288
 289     HWND hWnd = CreateWindowEx (0, wxTaskBarWindowClass,
 290             wxT("wxTaskBarWindow"),
 291             WS_OVERLAPPED,
 292             0,
 293             0,
 294             10,
 295             10,
 296             NULL,
 297             (HMENU) 0,
 298             hInstance,
 299             NULL);
 300
 301     return (WXHWND) hWnd;
 302 */
 303     return (WXHWND)0;
 304 }
 305
 306 MRESULT wxTaskBarIcon::WindowProc( WXHWND hWnd, UINT msg, MPARAM wParam, MPARAM lParam )
 307 {
 308     wxEventType eventType = 0;
 309 // TODO:
 310 /*
 311     if (msg != sm_taskbarMsg)
 312         return DefWindowProc((HWND) hWnd, msg, wParam, lParam);
 313
 314     switch (lParam)
 315     {
 316         case WM_LBUTTONDOWN:
 317             eventType = wxEVT_TASKBAR_LEFT_DOWN;
 318             break;
 319
 320         case WM_LBUTTONUP:
 321             eventType = wxEVT_TASKBAR_LEFT_UP;
 322             break;
 323
 324         case WM_RBUTTONDOWN:
 325             eventType = wxEVT_TASKBAR_RIGHT_DOWN;
 326             break;
 327
 328         case WM_RBUTTONUP:
 329             eventType = wxEVT_TASKBAR_RIGHT_UP;
 330             break;
 331
 332         case WM_LBUTTONDBLCLK:
 333             eventType = wxEVT_TASKBAR_LEFT_DCLICK;
 334             break;
 335
 336         case WM_RBUTTONDBLCLK:
 337             eventType = wxEVT_TASKBAR_RIGHT_DCLICK;
 338             break;
 339
 340         case WM_MOUSEMOVE:
 341             eventType = wxEVT_TASKBAR_MOVE;
 342             break;
 343
 344         default:
 345             break;
 346     }
 347 */
 348     if (eventType)
 349     {
 350         wxEvent event;
 351         event.SetEventType(eventType);
 352         event.SetEventObject(this);
 353
 354         ProcessEvent(event);
 355     }
 356     return 0;
 357 }
 358
 359 MRESULT wxTaskBarIconWindowProc(
 360   HWND                              hWnd
 361 , UINT                              msg
 362 , MPARAM                            wParam
 363 , MPARAM                            lParam
 364 )
 365 {
 366     wxTaskBarIcon* obj = wxTaskBarIcon::FindObjectForHWND((WXHWND) hWnd);
 367     if (obj)
 368         return obj->WindowProc((WXHWND) hWnd, msg, wParam, lParam);
 369     else
 370         return (MRESULT)0;
 371 //        return DefWindowProc(hWnd, msg, wParam, lParam);
 372 }
 373