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fix for GetParent() in wxTR_HIDE_ROOT case
[wxWidgets.git] / src / mac / tooltip.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: tooltip.cpp
3 // Purpose: wxToolTip implementation
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #ifdef __GNUG__
11 #pragma implementation "tooltip.h"
12 #endif
13
14 #include "wx/defs.h"
15
16 #if wxUSE_TOOLTIPS
17
18 #include "wx/app.h"
19 #include "wx/dc.h"
20 #include "wx/window.h"
21 #include "wx/tooltip.h"
22 #include "wx/timer.h"
23 #include "wx/geometry.h"
24 #include "wx/mac/uma.h"
25
26 //-----------------------------------------------------------------------------
27 // global data
28 //-----------------------------------------------------------------------------
29
30 class wxMacToolTipTimer ;
31
32 class wxMacToolTip
33 {
34 public :
35 wxMacToolTip( ) ;
36 ~wxMacToolTip() ;
37
38 void Setup( WindowRef window , wxString text , wxPoint localPosition ) ;
39 long GetMark() { return m_mark ; }
40 void Draw() ;
41 void Clear() ;
42 bool IsShown() { return m_shown ; }
43 private :
44
45 wxString m_label ;
46 wxPoint m_position ;
47 Rect m_rect ;
48 WindowRef m_window ;
49 PicHandle m_backpict ;
50 bool m_shown ;
51 long m_mark ;
52 wxMacToolTipTimer* m_timer ;
53 } ;
54
55 class wxMacToolTipTimer : public wxTimer
56 {
57 public:
58 wxMacToolTipTimer() {} ;
59 wxMacToolTipTimer(wxMacToolTip* tip, int iMilliseconds) ;
60 virtual ~wxMacToolTipTimer() {} ;
61 void Notify()
62 {
63 if ( m_mark == m_tip->GetMark() )
64 m_tip->Draw() ;
65 }
66 protected:
67 wxMacToolTip* m_tip;
68 long m_mark ;
69 };
70
71 //-----------------------------------------------------------------------------
72 // wxToolTip
73 //-----------------------------------------------------------------------------
74 static long s_ToolTipDelay = 500 ;
75 static bool s_ShowToolTips = true ;
76 static wxMacToolTip s_ToolTip ;
77 static wxWindow* s_LastWindowEntered = NULL ;
78 static wxRect2DInt s_ToolTipArea ;
79 static WindowRef s_ToolTipWindowRef = NULL ;
80 wxToolTip::wxToolTip( const wxString &tip )
81 {
82 m_text = tip;
83 m_window = (wxWindow*) NULL;
84 }
85
86 wxToolTip::~wxToolTip()
87 {
88 }
89
90 void wxToolTip::SetTip( const wxString &tip )
91 {
92 m_text = tip;
93
94 if ( m_window )
95 {
96 /*
97 // update it immediately
98 wxToolInfo ti(GetHwndOf(m_window));
99 ti.lpszText = (wxChar *)m_text.c_str();
100
101 (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti);
102 */
103 }
104 }
105
106 void wxToolTip::SetWindow( wxWindow *win )
107 {
108 m_window = win;
109 }
110
111 void wxToolTip::Enable( bool flag )
112 {
113 if ( s_ShowToolTips != flag )
114 {
115 s_ShowToolTips = flag ;
116 if ( s_ShowToolTips )
117 {
118 }
119 else
120 {
121 s_ToolTip.Clear() ;
122 }
123 }
124 }
125
126 void wxToolTip::SetDelay( long msecs )
127 {
128 s_ToolTipDelay = msecs ;
129 }
130
131 void wxToolTip::RelayEvent( wxWindow *win , wxMouseEvent &event )
132 {
133 if ( s_ShowToolTips )
134 {
135 if ( event.GetEventType() == wxEVT_LEAVE_WINDOW )
136 {
137 s_ToolTip.Clear() ;
138 }
139 else if (event.GetEventType() == wxEVT_ENTER_WINDOW || event.GetEventType() == wxEVT_MOTION )
140 {
141 wxPoint2DInt where( event.m_x , event.m_y ) ;
142 if ( s_LastWindowEntered == win && s_ToolTipArea.Contains( where ) )
143 {
144 }
145 else
146 {
147 s_ToolTip.Clear() ;
148 s_ToolTipArea = wxRect2DInt( event.m_x - 2 , event.m_y - 2 , 4 , 4 ) ;
149 s_LastWindowEntered = win ;
150
151 WindowRef window = MAC_WXHWND( win->MacGetRootWindow() ) ;
152 int x = event.m_x ;
153 int y = event.m_y ;
154 wxPoint local( x , y ) ;
155 win->MacClientToRootWindow( &x, &y ) ;
156 wxPoint windowlocal( x , y ) ;
157 s_ToolTip.Setup( window , win->MacGetToolTipString( local ) , windowlocal ) ;
158 }
159 }
160 }
161 }
162
163 void wxToolTip::RemoveToolTips()
164 {
165 s_ToolTip.Clear() ;
166 }
167 // --- mac specific
168
169 wxMacToolTipTimer::wxMacToolTipTimer( wxMacToolTip *tip , int msec )
170 {
171 m_tip = tip;
172 m_mark = tip->GetMark() ;
173 Start(msec, true);
174 }
175
176 wxMacToolTip::wxMacToolTip()
177 {
178 m_window = NULL ;
179 m_backpict = NULL ;
180 m_mark = 0 ;
181 m_shown = false ;
182 m_timer = NULL ;
183 }
184
185 void wxMacToolTip::Setup( WindowRef window , wxString text , wxPoint localPosition )
186 {
187 m_mark++ ;
188 Clear() ;
189 m_position = localPosition ;
190 m_label = wxMacMakeMacStringFromPC( text ) ;
191 m_window = window ;
192 s_ToolTipWindowRef = window ;
193 m_backpict = NULL ;
194 if ( m_timer )
195 delete m_timer ;
196 m_timer = new wxMacToolTipTimer( this , s_ToolTipDelay ) ;
197 }
198
199 wxMacToolTip::~wxMacToolTip()
200 {
201 if ( m_timer )
202 delete m_timer ;
203 if ( m_backpict )
204 Clear() ;
205 }
206
207 const short kTipBorder = 2 ;
208 const short kTipOffset = 5 ;
209
210 void wxMacToolTip::Draw()
211 {
212 if ( m_label.Length() == 0 )
213 return ;
214
215 if ( m_window == s_ToolTipWindowRef )
216 {
217 #if TARGET_CARBON
218 /*
219 if ( HMDisplayTag != (void*) kUnresolvedCFragSymbolAddress )
220 {
221 HMDisplayTag(
222 }
223 else
224 */
225 #endif
226 {
227 wxMacPortStateHelper help( (GrafPtr) GetWindowPort( m_window ) );
228
229 m_shown = true ;
230
231 TextFont( kFontIDGeneva ) ;
232 TextSize( 10 ) ;
233 TextFace( 0 ) ;
234 FontInfo fontInfo;
235 ::GetFontInfo(&fontInfo);
236 short lineh = fontInfo.ascent + fontInfo.descent + fontInfo.leading;
237 short height = 0 ;
238 // short width = TextWidth( m_label , 0 ,m_label.Length() ) ;
239
240 int i = 0 ;
241 int length = m_label.Length() ;
242 int width = 0 ;
243 int thiswidth = 0 ;
244 int laststop = 0 ;
245 const char *text = m_label ;
246 while( i < length )
247 {
248 if( text[i] == 13 || text[i] == 10)
249 {
250 thiswidth = ::TextWidth( text , laststop , i - laststop ) ;
251 if ( thiswidth > width )
252 width = thiswidth ;
253
254 height += lineh ;
255 laststop = i+1 ;
256 }
257 i++ ;
258 }
259 if ( i - laststop > 0 )
260 {
261 thiswidth = ::TextWidth( text , laststop , i - laststop ) ;
262 if ( thiswidth > width )
263 width = thiswidth ;
264 height += lineh ;
265 }
266
267
268 m_rect.left = m_position.x + kTipOffset;
269 m_rect.top = m_position.y + kTipOffset;
270 m_rect.right = m_rect.left + width + 2 * kTipBorder;
271 m_rect.bottom = m_rect.top + height + 2 * kTipBorder;
272 ClipRect( &m_rect ) ;
273 BackColor( whiteColor ) ;
274 ForeColor(blackColor ) ;
275 m_backpict = OpenPicture(&m_rect);
276
277 CopyBits(GetPortBitMapForCopyBits(GetWindowPort(m_window)),
278 GetPortBitMapForCopyBits(GetWindowPort(m_window)),
279 &m_rect,
280 &m_rect,
281 srcCopy,
282 NULL);
283
284 ClosePicture();
285 PenNormal() ;
286 SetThemeBackground(kThemeBrushNotificationWindowBackground,32,true) ;
287 SetThemeTextColor(kThemeTextColorNotification,32,true) ;
288 EraseRect( &m_rect ) ;
289 FrameRect( &m_rect ) ;
290 ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder);
291
292 i = 0 ;
293 laststop = 0 ;
294 height = 0 ;
295 while( i < length )
296 {
297 if( text[i] == 13 || text[i] == 10)
298 {
299 ::DrawText( text , laststop , i - laststop ) ;
300 height += lineh ;
301 ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder + height );
302 laststop = i+1 ;
303 }
304 i++ ;
305 }
306
307 ::DrawText( text , laststop , i - laststop ) ;
308 ::TextMode( srcOr ) ;
309 // DrawText( m_label , 0 , m_label.Length() ) ;
310 }
311 }
312 }
313
314 void wxToolTip::NotifyWindowDelete( WXHWND win )
315 {
316 if ( win == s_ToolTipWindowRef )
317 {
318 s_ToolTipWindowRef = NULL ;
319 }
320 }
321
322 void wxMacToolTip::Clear()
323 {
324 m_mark++ ;
325 if ( m_timer )
326 {
327 delete m_timer ;
328 m_timer = NULL ;
329 }
330 if ( !m_shown )
331 return ;
332
333 if ( m_window == s_ToolTipWindowRef && m_backpict )
334 {
335 wxMacPortStateHelper help( (GrafPtr) GetWindowPort(m_window) ) ;
336
337 m_shown = false ;
338
339 BackColor( whiteColor ) ;
340 ForeColor(blackColor ) ;
341 DrawPicture(m_backpict, &m_rect);
342 KillPicture(m_backpict);
343 m_backpict = NULL ;
344 }
345 }
346
347 #endif
348