/[pcsx2_0.9.7]/branch/r3113_0.9.7_beta/3rdparty/wxWidgets/src/msw/taskbar.cpp
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Contents of /branch/r3113_0.9.7_beta/3rdparty/wxWidgets/src/msw/taskbar.cpp

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Revision 32 - (show annotations) (download)
Tue Sep 7 03:29:01 2010 UTC (9 years, 11 months ago) by william
File size: 9117 byte(s)
branching from upstream revision (http://pcsx2.googlecode.com/svn/trunk
): r3113 to
https://svn.netsolutions.dnsalias.com/websvn/ps2/pcsx2/pcsx2_0.9.7/branch/r3113_0.9.7_beta
1 /////////////////////////////////////////////////////////////////////////
2 // File: src/msw/taskbar.cpp
3 // Purpose: Implements wxTaskBarIcon class for manipulating icons on
4 // the Windows task bar.
5 // Author: Julian Smart
6 // Modified by: Vaclav Slavik
7 // Created: 24/3/98
8 // RCS-ID: $Id: taskbar.cpp 50294 2007-11-28 01:59:59Z VZ $
9 // Copyright: (c)
10 // Licence: wxWindows licence
11 /////////////////////////////////////////////////////////////////////////
12
13 // For compilers that support precompilation, includes "wx.h".
14 #include "wx/wxprec.h"
15
16 #ifdef __BORLANDC__
17 #pragma hdrstop
18 #endif
19
20 #ifndef WX_PRECOMP
21 #include "wx/window.h"
22 #include "wx/frame.h"
23 #include "wx/utils.h"
24 #include "wx/menu.h"
25 #endif
26
27 #include "wx/msw/private.h"
28 #include "wx/msw/winundef.h"
29
30 #include <string.h>
31 #include "wx/taskbar.h"
32
33 #ifdef __WXWINCE__
34 #include <winreg.h>
35 #include <shellapi.h>
36 #endif
37
38 // initialized on demand
39 UINT gs_msgTaskbar = 0;
40 UINT gs_msgRestartTaskbar = 0;
41
42 #if WXWIN_COMPATIBILITY_2_4
43 BEGIN_EVENT_TABLE(wxTaskBarIcon, wxTaskBarIconBase)
44 EVT_TASKBAR_MOVE (wxTaskBarIcon::_OnMouseMove)
45 EVT_TASKBAR_LEFT_DOWN (wxTaskBarIcon::_OnLButtonDown)
46 EVT_TASKBAR_LEFT_UP (wxTaskBarIcon::_OnLButtonUp)
47 EVT_TASKBAR_RIGHT_DOWN (wxTaskBarIcon::_OnRButtonDown)
48 EVT_TASKBAR_RIGHT_UP (wxTaskBarIcon::_OnRButtonUp)
49 EVT_TASKBAR_LEFT_DCLICK (wxTaskBarIcon::_OnLButtonDClick)
50 EVT_TASKBAR_RIGHT_DCLICK (wxTaskBarIcon::_OnRButtonDClick)
51 END_EVENT_TABLE()
52 #endif
53
54
55 IMPLEMENT_DYNAMIC_CLASS(wxTaskBarIcon, wxEvtHandler)
56
57 // ============================================================================
58 // implementation
59 // ============================================================================
60
61 // ----------------------------------------------------------------------------
62 // wxTaskBarIconWindow: helper window
63 // ----------------------------------------------------------------------------
64
65 // NB: this class serves two purposes:
66 // 1. win32 needs a HWND associated with taskbar icon, this provides it
67 // 2. we need wxTopLevelWindow so that the app doesn't exit when
68 // last frame is closed but there still is a taskbar icon
69 class wxTaskBarIconWindow : public wxFrame
70 {
71 public:
72 wxTaskBarIconWindow(wxTaskBarIcon *icon)
73 : wxFrame(NULL, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, 0),
74 m_icon(icon)
75 {
76 }
77
78 WXLRESULT MSWWindowProc(WXUINT msg,
79 WXWPARAM wParam, WXLPARAM lParam)
80 {
81 if (msg == gs_msgRestartTaskbar || msg == gs_msgTaskbar)
82 {
83 return m_icon->WindowProc(msg, wParam, lParam);
84 }
85 else
86 {
87 return wxFrame::MSWWindowProc(msg, wParam, lParam);
88 }
89 }
90
91 private:
92 wxTaskBarIcon *m_icon;
93 };
94
95
96 // ----------------------------------------------------------------------------
97 // NotifyIconData: wrapper around NOTIFYICONDATA
98 // ----------------------------------------------------------------------------
99
100 struct NotifyIconData : public NOTIFYICONDATA
101 {
102 NotifyIconData(WXHWND hwnd)
103 {
104 memset(this, 0, sizeof(NOTIFYICONDATA));
105 cbSize = sizeof(NOTIFYICONDATA);
106 hWnd = (HWND) hwnd;
107 uCallbackMessage = gs_msgTaskbar;
108 uFlags = NIF_MESSAGE;
109
110 // we use the same id for all taskbar icons as we don't need it to
111 // distinguish between them
112 uID = 99;
113 }
114 };
115
116 // ----------------------------------------------------------------------------
117 // wxTaskBarIcon
118 // ----------------------------------------------------------------------------
119
120 wxTaskBarIcon::wxTaskBarIcon()
121 {
122 m_win = NULL;
123 m_iconAdded = false;
124 RegisterWindowMessages();
125 }
126
127 wxTaskBarIcon::~wxTaskBarIcon()
128 {
129 if (m_iconAdded)
130 RemoveIcon();
131
132 if (m_win)
133 m_win->Destroy();
134 }
135
136 // Operations
137 bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
138 {
139 // NB: we have to create the window lazily because of backward compatibility,
140 // old applications may create a wxTaskBarIcon instance before wxApp
141 // is initialized (as samples/taskbar used to do)
142 if (!m_win)
143 {
144 m_win = new wxTaskBarIconWindow(this);
145 }
146
147 m_icon = icon;
148 m_strTooltip = tooltip;
149
150 NotifyIconData notifyData(GetHwndOf(m_win));
151
152 if (icon.Ok())
153 {
154 notifyData.uFlags |= NIF_ICON;
155 notifyData.hIcon = GetHiconOf(icon);
156 }
157
158 // set NIF_TIP even for an empty tooltip: otherwise it would be impossible
159 // to remove an existing tooltip using this function
160 notifyData.uFlags |= NIF_TIP;
161 if ( !tooltip.empty() )
162 {
163 wxStrncpy(notifyData.szTip, tooltip.c_str(), WXSIZEOF(notifyData.szTip));
164 }
165
166 bool ok = Shell_NotifyIcon(m_iconAdded ? NIM_MODIFY
167 : NIM_ADD, &notifyData) != 0;
168
169 if ( !m_iconAdded && ok )
170 m_iconAdded = true;
171
172 return ok;
173 }
174
175 bool wxTaskBarIcon::RemoveIcon()
176 {
177 if (!m_iconAdded)
178 return false;
179
180 m_iconAdded = false;
181
182 NotifyIconData notifyData(GetHwndOf(m_win));
183
184 return Shell_NotifyIcon(NIM_DELETE, &notifyData) != 0;
185 }
186
187 bool wxTaskBarIcon::PopupMenu(wxMenu *menu)
188 {
189 wxASSERT_MSG( m_win != NULL, _T("taskbar icon not initialized") );
190
191 static bool s_inPopup = false;
192
193 if (s_inPopup)
194 return false;
195
196 s_inPopup = true;
197
198 int x, y;
199 wxGetMousePosition(&x, &y);
200
201 m_win->Move(x, y);
202
203 m_win->PushEventHandler(this);
204
205 menu->UpdateUI();
206
207 // the SetForegroundWindow() and PostMessage() calls are needed to work
208 // around Win32 bug with the popup menus shown for the notifications as
209 // documented at http://support.microsoft.com/kb/q135788/
210 ::SetForegroundWindow(GetHwndOf(m_win));
211
212 bool rval = m_win->PopupMenu(menu, 0, 0);
213
214 ::PostMessage(GetHwndOf(m_win), WM_NULL, 0, 0L);
215
216 m_win->PopEventHandler(false);
217
218 s_inPopup = false;
219
220 return rval;
221 }
222
223 #if WXWIN_COMPATIBILITY_2_4
224 // Overridables
225 void wxTaskBarIcon::OnMouseMove(wxEvent& e) { e.Skip(); }
226 void wxTaskBarIcon::OnLButtonDown(wxEvent& e) { e.Skip(); }
227 void wxTaskBarIcon::OnLButtonUp(wxEvent& e) { e.Skip(); }
228 void wxTaskBarIcon::OnRButtonDown(wxEvent& e) { e.Skip(); }
229 void wxTaskBarIcon::OnRButtonUp(wxEvent& e) { e.Skip(); }
230 void wxTaskBarIcon::OnLButtonDClick(wxEvent& e) { e.Skip(); }
231 void wxTaskBarIcon::OnRButtonDClick(wxEvent& e) { e.Skip(); }
232
233 void wxTaskBarIcon::_OnMouseMove(wxTaskBarIconEvent& e)
234 { OnMouseMove(e); }
235 void wxTaskBarIcon::_OnLButtonDown(wxTaskBarIconEvent& e)
236 { OnLButtonDown(e); }
237 void wxTaskBarIcon::_OnLButtonUp(wxTaskBarIconEvent& e)
238 { OnLButtonUp(e); }
239 void wxTaskBarIcon::_OnRButtonDown(wxTaskBarIconEvent& e)
240 { OnRButtonDown(e); }
241 void wxTaskBarIcon::_OnRButtonUp(wxTaskBarIconEvent& e)
242 { OnRButtonUp(e); }
243 void wxTaskBarIcon::_OnLButtonDClick(wxTaskBarIconEvent& e)
244 { OnLButtonDClick(e); }
245 void wxTaskBarIcon::_OnRButtonDClick(wxTaskBarIconEvent& e)
246 { OnRButtonDClick(e); }
247 #endif
248
249 void wxTaskBarIcon::RegisterWindowMessages()
250 {
251 static bool s_registered = false;
252
253 if ( !s_registered )
254 {
255 // Taskbar restart msg will be sent to us if the icon needs to be redrawn
256 gs_msgRestartTaskbar = RegisterWindowMessage(wxT("TaskbarCreated"));
257
258 // Also register the taskbar message here
259 gs_msgTaskbar = ::RegisterWindowMessage(wxT("wxTaskBarIconMessage"));
260
261 s_registered = true;
262 }
263 }
264
265 // ----------------------------------------------------------------------------
266 // wxTaskBarIcon window proc
267 // ----------------------------------------------------------------------------
268
269 long wxTaskBarIcon::WindowProc(unsigned int msg,
270 unsigned int WXUNUSED(wParam),
271 long lParam)
272 {
273 wxEventType eventType = 0;
274
275 if (msg == gs_msgRestartTaskbar) // does the icon need to be redrawn?
276 {
277 m_iconAdded = false;
278 SetIcon(m_icon, m_strTooltip);
279 return 0;
280 }
281
282 // this function should only be called for gs_msg(Restart)Taskbar messages
283 wxASSERT(msg == gs_msgTaskbar);
284
285 switch (lParam)
286 {
287 case WM_LBUTTONDOWN:
288 eventType = wxEVT_TASKBAR_LEFT_DOWN;
289 break;
290
291 case WM_LBUTTONUP:
292 eventType = wxEVT_TASKBAR_LEFT_UP;
293 break;
294
295 case WM_RBUTTONDOWN:
296 eventType = wxEVT_TASKBAR_RIGHT_DOWN;
297 break;
298
299 case WM_RBUTTONUP:
300 eventType = wxEVT_TASKBAR_RIGHT_UP;
301 break;
302
303 case WM_LBUTTONDBLCLK:
304 eventType = wxEVT_TASKBAR_LEFT_DCLICK;
305 break;
306
307 case WM_RBUTTONDBLCLK:
308 eventType = wxEVT_TASKBAR_RIGHT_DCLICK;
309 break;
310
311 case WM_MOUSEMOVE:
312 eventType = wxEVT_TASKBAR_MOVE;
313 break;
314
315 default:
316 break;
317 }
318
319 if (eventType)
320 {
321 wxTaskBarIconEvent event(eventType, this);
322
323 ProcessEvent(event);
324 }
325
326 return 0;
327 }

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