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[wxWidgets.git] / src / msw / taskbar.cpp
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1/////////////////////////////////////////////////////////////////////////
2// File: taskbar.cpp
c42404a5 3// Purpose: Implements wxTaskBarIcon class for manipulating icons on
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4// the Windows task bar.
5// Author: Julian Smart
1e6d9c20 6// Modified by: Vaclav Slavik
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7// Created: 24/3/98
8// RCS-ID: $Id$
9// Copyright: (c)
65571936 10// Licence: wxWindows licence
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11/////////////////////////////////////////////////////////////////////////
12
14f355c2 13#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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14#pragma implementation "taskbar.h"
15#endif
16
17// For compilers that support precompilation, includes "wx.h".
18#include "wx/wxprec.h"
19
20#ifdef __BORLANDC__
21#pragma hdrstop
22#endif
23
24#ifndef WX_PRECOMP
25#include "wx/defs.h"
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26#include "wx/window.h"
27#include "wx/frame.h"
28#include "wx/utils.h"
0ae2df30 29#include "wx/menu.h"
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30#endif
31
b39dbf34 32#if defined(__WIN95__)
2bda0e17 33
4676948b 34#include "wx/msw/private.h"
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35#include "wx/msw/winundef.h"
36
2bda0e17 37#include <string.h>
6af507f7 38#include "wx/taskbar.h"
2bda0e17 39
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40#ifdef __GNUWIN32_OLD__
41 #include "wx/msw/gnuwin32/extra.h"
65fd5cb0 42#endif
2bda0e17 43
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44#ifdef __WXWINCE__
45 #include <winreg.h>
c42404a5 46 #include <shellapi.h>
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47#endif
48
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49// initialized on demand
50UINT gs_msgTaskbar = 0;
51UINT gs_msgRestartTaskbar = 0;
2bda0e17 52
6af507f7 53#if WXWIN_COMPATIBILITY_2_4
41819cbe 54BEGIN_EVENT_TABLE(wxTaskBarIcon, wxTaskBarIconBase)
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55 EVT_TASKBAR_MOVE (wxTaskBarIcon::_OnMouseMove)
56 EVT_TASKBAR_LEFT_DOWN (wxTaskBarIcon::_OnLButtonDown)
57 EVT_TASKBAR_LEFT_UP (wxTaskBarIcon::_OnLButtonUp)
58 EVT_TASKBAR_RIGHT_DOWN (wxTaskBarIcon::_OnRButtonDown)
59 EVT_TASKBAR_RIGHT_UP (wxTaskBarIcon::_OnRButtonUp)
60 EVT_TASKBAR_LEFT_DCLICK (wxTaskBarIcon::_OnLButtonDClick)
61 EVT_TASKBAR_RIGHT_DCLICK (wxTaskBarIcon::_OnRButtonDClick)
56194595 62END_EVENT_TABLE()
6af507f7 63#endif
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64
65
66IMPLEMENT_DYNAMIC_CLASS(wxTaskBarIcon, wxEvtHandler)
56194595 67
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68// ============================================================================
69// implementation
70// ============================================================================
71
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72// ----------------------------------------------------------------------------
73// wxTaskBarIconWindow: helper window
74// ----------------------------------------------------------------------------
75
76// NB: this class serves two purposes:
77// 1. win32 needs a HWND associated with taskbar icon, this provides it
78// 2. we need wxTopLevelWindow so that the app doesn't exit when
79// last frame is closed but there still is a taskbar icon
80class wxTaskBarIconWindow : public wxFrame
81{
82public:
83 wxTaskBarIconWindow(wxTaskBarIcon *icon)
bfbb0b4c 84 : wxFrame(NULL, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0),
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85 m_icon(icon)
86 {
87 }
bfbb0b4c 88
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89 WXLRESULT MSWWindowProc(WXUINT msg,
90 WXWPARAM wParam, WXLPARAM lParam)
91 {
92 if (msg == gs_msgRestartTaskbar || msg == gs_msgTaskbar)
93 {
dda36afd 94 return m_icon->WindowProc(msg, wParam, lParam);
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95 }
96 else
97 {
98 return wxFrame::MSWWindowProc(msg, wParam, lParam);
99 }
100 }
101
102private:
103 wxTaskBarIcon *m_icon;
104};
105
bfbb0b4c 106
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107// ----------------------------------------------------------------------------
108// NotifyIconData: wrapper around NOTIFYICONDATA
109// ----------------------------------------------------------------------------
56194595 110
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111struct NotifyIconData : public NOTIFYICONDATA
112{
113 NotifyIconData(WXHWND hwnd)
114 {
115 memset(this, 0, sizeof(NOTIFYICONDATA));
116 cbSize = sizeof(NOTIFYICONDATA);
117 hWnd = (HWND) hwnd;
118 uCallbackMessage = gs_msgTaskbar;
119 uFlags = NIF_MESSAGE;
120
121 // we use the same id for all taskbar icons as we don't need it to
122 // distinguish between them
123 uID = 99;
124 }
125};
126
127// ----------------------------------------------------------------------------
128// wxTaskBarIcon
129// ----------------------------------------------------------------------------
130
131wxTaskBarIcon::wxTaskBarIcon()
2bda0e17 132{
1e6d9c20 133 m_win = NULL;
04cd30de 134 m_iconAdded = false;
1e6d9c20 135 RegisterWindowMessages();
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136}
137
4d0d77af 138wxTaskBarIcon::~wxTaskBarIcon()
2bda0e17 139{
2bda0e17 140 if (m_iconAdded)
2bda0e17 141 RemoveIcon();
2bda0e17 142
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143 if (m_win)
144 m_win->Destroy();
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145}
146
147// Operations
148bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
149{
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150 // NB: we have to create the window lazily because of backward compatiblity,
151 // old aplications may create wxTaskBarIcon instance before wxApp
152 // is initialized (as samples/taskbar used to do)
153 if (!m_win)
154 {
155 m_win = new wxTaskBarIconWindow(this);
156 }
2bda0e17 157
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158 m_icon = icon;
159 m_strTooltip = tooltip;
160
1e6d9c20 161 NotifyIconData notifyData((HWND)m_win->GetHWND());
2bda0e17 162
e96360ef 163 if (icon.Ok())
2bda0e17 164 {
e96360ef 165 notifyData.uFlags |= NIF_ICON;
4d0d77af 166 notifyData.hIcon = GetHiconOf(icon);
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167 }
168
4d0d77af 169 if ( !tooltip.empty() )
2bda0e17 170 {
4d0d77af 171 notifyData.uFlags |= NIF_TIP;
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172// lstrcpyn(notifyData.szTip, tooltip.c_str(), WXSIZEOF(notifyData.szTip));
173 wxStrncpy(notifyData.szTip, tooltip.c_str(), WXSIZEOF(notifyData.szTip));
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174 }
175
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176 bool ok = Shell_NotifyIcon(m_iconAdded ? NIM_MODIFY
177 : NIM_ADD, &notifyData) != 0;
2bda0e17 178
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179 if ( !m_iconAdded && ok )
180 m_iconAdded = true;
181
182 return ok;
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183}
184
4d0d77af 185bool wxTaskBarIcon::RemoveIcon()
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186{
187 if (!m_iconAdded)
04cd30de 188 return false;
2bda0e17 189
04cd30de 190 m_iconAdded = false;
2bda0e17 191
1e6d9c20 192 NotifyIconData notifyData((HWND)m_win->GetHWND());
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193
194 return Shell_NotifyIcon(NIM_DELETE, &notifyData) != 0;
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195}
196
4d0d77af 197bool wxTaskBarIcon::PopupMenu(wxMenu *menu)
69ecd30f 198{
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199 wxASSERT_MSG( m_win != NULL, _T("taskbar icon not initialized") );
200
04cd30de 201 static bool s_inPopup = false;
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202
203 if (s_inPopup)
04cd30de 204 return false;
c7527e3f 205
04cd30de 206 s_inPopup = true;
c7527e3f 207
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208 int x, y;
209 wxGetMousePosition(&x, &y);
210
1e6d9c20 211 m_win->Move(x, y);
bfbb0b4c 212
1e6d9c20 213 m_win->PushEventHandler(this);
d66d9d5b 214
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215 menu->UpdateUI();
216
f6bcfd97 217 // Work around a WIN32 bug
1e6d9c20 218 ::SetForegroundWindow((HWND)m_win->GetHWND());
f6bcfd97 219
1e6d9c20 220 bool rval = m_win->PopupMenu(menu, 0, 0);
69ecd30f 221
f6bcfd97 222 // Work around a WIN32 bug
1e6d9c20 223 ::PostMessage((HWND)m_win->GetHWND(), WM_NULL, 0, 0L);
f6bcfd97 224
1e6d9c20 225 m_win->PopEventHandler(false);
c7527e3f 226
04cd30de 227 s_inPopup = false;
d66d9d5b 228
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229 return rval;
230}
231
6af507f7 232#if WXWIN_COMPATIBILITY_2_4
2bda0e17 233// Overridables
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234void wxTaskBarIcon::OnMouseMove(wxEvent& e) { e.Skip(); }
235void wxTaskBarIcon::OnLButtonDown(wxEvent& e) { e.Skip(); }
236void wxTaskBarIcon::OnLButtonUp(wxEvent& e) { e.Skip(); }
237void wxTaskBarIcon::OnRButtonDown(wxEvent& e) { e.Skip(); }
238void wxTaskBarIcon::OnRButtonUp(wxEvent& e) { e.Skip(); }
239void wxTaskBarIcon::OnLButtonDClick(wxEvent& e) { e.Skip(); }
240void wxTaskBarIcon::OnRButtonDClick(wxEvent& e) { e.Skip(); }
2bda0e17 241
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242void wxTaskBarIcon::_OnMouseMove(wxTaskBarIconEvent& e)
243 { OnMouseMove(e); }
244void wxTaskBarIcon::_OnLButtonDown(wxTaskBarIconEvent& e)
245 { OnLButtonDown(e); }
246void wxTaskBarIcon::_OnLButtonUp(wxTaskBarIconEvent& e)
247 { OnLButtonUp(e); }
248void wxTaskBarIcon::_OnRButtonDown(wxTaskBarIconEvent& e)
249 { OnRButtonDown(e); }
250void wxTaskBarIcon::_OnRButtonUp(wxTaskBarIconEvent& e)
251 { OnRButtonUp(e); }
252void wxTaskBarIcon::_OnLButtonDClick(wxTaskBarIconEvent& e)
253 { OnLButtonDClick(e); }
254void wxTaskBarIcon::_OnRButtonDClick(wxTaskBarIconEvent& e)
255 { OnRButtonDClick(e); }
6af507f7 256#endif
69ecd30f 257
1e6d9c20 258void wxTaskBarIcon::RegisterWindowMessages()
2bda0e17 259{
4d0d77af 260 static bool s_registered = false;
2bda0e17 261
1e6d9c20 262 if ( !s_registered )
bfbb0b4c 263 {
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264 // Taskbar restart msg will be sent to us if the icon needs to be redrawn
265 gs_msgRestartTaskbar = RegisterWindowMessage(wxT("TaskbarCreated"));
2bda0e17 266
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267 // Also register the taskbar message here
268 gs_msgTaskbar = ::RegisterWindowMessage(wxT("wxTaskBarIconMessage"));
2bda0e17 269
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270 s_registered = true;
271 }
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272}
273
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274// ----------------------------------------------------------------------------
275// wxTaskBarIcon window proc
276// ----------------------------------------------------------------------------
277
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278long wxTaskBarIcon::WindowProc(unsigned int msg,
279 unsigned int WXUNUSED(wParam),
4d0d77af 280 long lParam)
2bda0e17 281{
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282 wxEventType eventType = 0;
283
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284 if (msg == gs_msgRestartTaskbar) // does the icon need to be redrawn?
285 {
286 m_iconAdded = false;
287 SetIcon(m_icon, m_strTooltip);
288 }
289
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290 // this function should only be called for gs_msg(Restart)Taskbar messages
291 wxASSERT(msg == gs_msgTaskbar);
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292
293 switch (lParam)
294 {
c42404a5 295 case WM_LBUTTONDOWN:
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296 eventType = wxEVT_TASKBAR_LEFT_DOWN;
297 break;
2bda0e17 298
c42404a5 299 case WM_LBUTTONUP:
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300 eventType = wxEVT_TASKBAR_LEFT_UP;
301 break;
2bda0e17 302
c42404a5 303 case WM_RBUTTONDOWN:
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304 eventType = wxEVT_TASKBAR_RIGHT_DOWN;
305 break;
2bda0e17 306
c42404a5 307 case WM_RBUTTONUP:
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308 eventType = wxEVT_TASKBAR_RIGHT_UP;
309 break;
2bda0e17 310
c42404a5 311 case WM_LBUTTONDBLCLK:
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312 eventType = wxEVT_TASKBAR_LEFT_DCLICK;
313 break;
2bda0e17 314
c42404a5 315 case WM_RBUTTONDBLCLK:
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316 eventType = wxEVT_TASKBAR_RIGHT_DCLICK;
317 break;
2bda0e17 318
c42404a5 319 case WM_MOUSEMOVE:
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320 eventType = wxEVT_TASKBAR_MOVE;
321 break;
2bda0e17 322
c42404a5 323 default:
56194595 324 break;
4d0d77af 325 }
56194595 326
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327 if (eventType)
328 {
fa1c12bd 329 wxTaskBarIconEvent event(eventType, this);
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330
331 ProcessEvent(event);
332 }
4d0d77af 333
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334 return 0;
335}
336
1e6d9c20 337#endif // __WIN95__