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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/osx/carbon/tooltip.cpp | |
3 | // Purpose: wxToolTip implementation | |
4 | // Author: Stefan Csomor | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) Stefan Csomor | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | #include "wx/wxprec.h" | |
11 | ||
12 | #if wxUSE_TOOLTIPS | |
13 | ||
14 | #include "wx/tooltip.h" | |
15 | ||
16 | #ifndef WX_PRECOMP | |
17 | #include "wx/app.h" | |
18 | #include "wx/window.h" | |
19 | #include "wx/dc.h" | |
20 | #include "wx/timer.h" | |
21 | #include "wx/nonownedwnd.h" | |
22 | #endif // WX_PRECOMP | |
23 | ||
24 | #include "wx/geometry.h" | |
25 | #include "wx/osx/uma.h" | |
26 | ||
27 | //----------------------------------------------------------------------------- | |
28 | // global data | |
29 | //----------------------------------------------------------------------------- | |
30 | ||
31 | #if wxUSE_TIMER | |
32 | class wxMacToolTipTimer : public wxTimer | |
33 | { | |
34 | public: | |
35 | wxMacToolTipTimer(wxMacToolTip* tip, int iMilliseconds) ; | |
36 | wxMacToolTipTimer() {} ; | |
37 | virtual ~wxMacToolTipTimer() {} ; | |
38 | ||
39 | void Notify() | |
40 | { | |
41 | if ( m_mark == m_tip->GetMark() ) | |
42 | m_tip->Draw() ; | |
43 | } | |
44 | ||
45 | protected: | |
46 | wxMacToolTip* m_tip; | |
47 | long m_mark ; | |
48 | }; | |
49 | #endif // wxUSE_TIMER | |
50 | ||
51 | //----------------------------------------------------------------------------- | |
52 | // wxToolTip | |
53 | //----------------------------------------------------------------------------- | |
54 | static long s_ToolTipDelay = 500 ; | |
55 | static bool s_ShowToolTips = true ; | |
56 | static wxMacToolTip s_ToolTip ; | |
57 | static wxWindow* s_LastWindowEntered = NULL ; | |
58 | static wxRect2DInt s_ToolTipArea ; | |
59 | static WindowRef s_ToolTipWindowRef = NULL ; | |
60 | ||
61 | IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject) | |
62 | ||
63 | ||
64 | wxToolTip::wxToolTip( const wxString &tip ) | |
65 | { | |
66 | m_text = tip; | |
67 | m_window = (wxWindow*) NULL; | |
68 | } | |
69 | ||
70 | wxToolTip::~wxToolTip() | |
71 | { | |
72 | } | |
73 | ||
74 | void wxToolTip::SetTip( const wxString &tip ) | |
75 | { | |
76 | m_text = tip; | |
77 | ||
78 | if ( m_window ) | |
79 | { | |
80 | #if 0 | |
81 | // update it immediately | |
82 | wxToolInfo ti(GetHwndOf(m_window)); | |
83 | ti.lpszText = (wxChar *)m_text.c_str(); | |
84 | ||
85 | (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti); | |
86 | #endif | |
87 | } | |
88 | } | |
89 | ||
90 | void wxToolTip::SetWindow( wxWindow *win ) | |
91 | { | |
92 | m_window = win ; | |
93 | } | |
94 | ||
95 | void wxToolTip::Enable( bool flag ) | |
96 | { | |
97 | if ( s_ShowToolTips != flag ) | |
98 | { | |
99 | s_ShowToolTips = flag ; | |
100 | ||
101 | if ( s_ShowToolTips ) | |
102 | { | |
103 | } | |
104 | else | |
105 | { | |
106 | s_ToolTip.Clear() ; | |
107 | } | |
108 | } | |
109 | } | |
110 | ||
111 | void wxToolTip::SetDelay( long msecs ) | |
112 | { | |
113 | s_ToolTipDelay = msecs ; | |
114 | } | |
115 | ||
116 | void wxToolTip::SetAutoPop( long WXUNUSED(msecs) ) | |
117 | { | |
118 | } | |
119 | ||
120 | void wxToolTip::SetReshow( long WXUNUSED(msecs) ) | |
121 | { | |
122 | } | |
123 | ||
124 | void wxToolTip::RelayEvent( wxWindow *win , wxMouseEvent &event ) | |
125 | { | |
126 | if ( s_ShowToolTips ) | |
127 | { | |
128 | if ( event.GetEventType() == wxEVT_LEAVE_WINDOW ) | |
129 | { | |
130 | s_ToolTip.Clear() ; | |
131 | } | |
132 | else if (event.GetEventType() == wxEVT_ENTER_WINDOW || event.GetEventType() == wxEVT_MOTION ) | |
133 | { | |
134 | wxPoint2DInt where( event.m_x , event.m_y ) ; | |
135 | if ( s_LastWindowEntered == win && s_ToolTipArea.Contains( where ) ) | |
136 | { | |
137 | } | |
138 | else | |
139 | { | |
140 | s_ToolTip.Clear() ; | |
141 | s_ToolTipArea = wxRect2DInt( event.m_x - 2 , event.m_y - 2 , 4 , 4 ) ; | |
142 | s_LastWindowEntered = win ; | |
143 | ||
144 | WindowRef window = MAC_WXHWND( win->MacGetTopLevelWindowRef() ) ; | |
145 | int x = event.m_x ; | |
146 | int y = event.m_y ; | |
147 | wxPoint local( x , y ) ; | |
148 | win->MacClientToRootWindow( &x, &y ) ; | |
149 | wxPoint windowlocal( x , y ) ; | |
150 | s_ToolTip.Setup( window , win->MacGetToolTipString( local ) , windowlocal ) ; | |
151 | } | |
152 | } | |
153 | } | |
154 | } | |
155 | ||
156 | void wxToolTip::RemoveToolTips() | |
157 | { | |
158 | s_ToolTip.Clear() ; | |
159 | } | |
160 | ||
161 | // --- mac specific | |
162 | #if wxUSE_TIMER | |
163 | wxMacToolTipTimer::wxMacToolTipTimer( wxMacToolTip *tip , int msec ) | |
164 | { | |
165 | m_tip = tip; | |
166 | m_mark = tip->GetMark() ; | |
167 | Start(msec, true); | |
168 | } | |
169 | #endif // wxUSE_TIMER | |
170 | ||
171 | wxMacToolTip::wxMacToolTip() | |
172 | { | |
173 | m_window = NULL ; | |
174 | m_backpict = NULL ; | |
175 | #if wxUSE_TIMER | |
176 | m_timer = NULL ; | |
177 | #endif | |
178 | m_mark = 0 ; | |
179 | m_shown = false ; | |
180 | } | |
181 | ||
182 | void wxMacToolTip::Setup( WindowRef win , const wxString& text , const wxPoint& localPosition ) | |
183 | { | |
184 | m_mark++ ; | |
185 | ||
186 | Clear() ; | |
187 | m_position = localPosition ; | |
188 | m_label = text ; | |
189 | m_window =win; | |
190 | s_ToolTipWindowRef = m_window ; | |
191 | m_backpict = NULL ; | |
192 | #if wxUSE_TIMER | |
193 | delete m_timer ; | |
194 | ||
195 | m_timer = new wxMacToolTipTimer( this , s_ToolTipDelay ) ; | |
196 | #endif // wxUSE_TIMER | |
197 | } | |
198 | ||
199 | wxMacToolTip::~wxMacToolTip() | |
200 | { | |
201 | #if wxUSE_TIMER | |
202 | if ( m_timer ) | |
203 | { | |
204 | delete m_timer ; | |
205 | m_timer = NULL; | |
206 | } | |
207 | #endif // wxUSE_TIMER | |
208 | if ( m_backpict ) | |
209 | Clear() ; | |
210 | } | |
211 | ||
212 | const short kTipBorder = 2 ; | |
213 | const short kTipOffset = 5 ; | |
214 | ||
215 | void wxMacToolTip::Draw() | |
216 | { | |
217 | if ( m_label.empty() ) | |
218 | return ; | |
219 | ||
220 | if ( m_window == s_ToolTipWindowRef ) | |
221 | { | |
222 | m_shown = true ; | |
223 | ||
224 | HMHelpContentRec tag ; | |
225 | tag.version = kMacHelpVersion; | |
226 | ||
227 | int x = m_position.x; | |
228 | int y = m_position.y; | |
229 | wxNonOwnedWindow* tlw = wxNonOwnedWindow::GetFromWXWindow((WXWindow) m_window); | |
230 | if ( tlw ) | |
231 | tlw->GetNonOwnedPeer()->WindowToScreen( &x, &y ); | |
232 | SetRect( &tag.absHotRect , x - 2 , y - 2 , x + 2 , y + 2 ); | |
233 | ||
234 | m_helpTextRef = wxCFStringRef( m_label , wxFONTENCODING_DEFAULT ) ; | |
235 | tag.content[kHMMinimumContentIndex].contentType = kHMCFStringContent ; | |
236 | tag.content[kHMMinimumContentIndex].u.tagCFString = m_helpTextRef ; | |
237 | tag.content[kHMMaximumContentIndex].contentType = kHMCFStringContent ; | |
238 | tag.content[kHMMaximumContentIndex].u.tagCFString = m_helpTextRef ; | |
239 | tag.tagSide = kHMDefaultSide; | |
240 | HMDisplayTag( &tag ); | |
241 | } | |
242 | } | |
243 | ||
244 | void wxToolTip::NotifyWindowDelete( WXHWND win ) | |
245 | { | |
246 | if ( win == s_ToolTipWindowRef ) | |
247 | s_ToolTipWindowRef = NULL ; | |
248 | } | |
249 | ||
250 | void wxMacToolTip::Clear() | |
251 | { | |
252 | m_mark++ ; | |
253 | #if wxUSE_TIMER | |
254 | if ( m_timer ) | |
255 | { | |
256 | delete m_timer ; | |
257 | m_timer = NULL ; | |
258 | } | |
259 | #endif // wxUSE_TIMER | |
260 | if ( !m_shown ) | |
261 | return ; | |
262 | ||
263 | HMHideTag() ; | |
264 | } | |
265 | ||
266 | #endif // wxUSE_TOOLTIPS |