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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/mac/classic/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 | #include "wx/wxprec.h" | |
11 | ||
12 | #ifdef __BORLANDC__ | |
13 | #pragma hdrstop | |
14 | #endif | |
15 | ||
16 | #if wxUSE_TOOLTIPS | |
17 | ||
18 | #include "wx/tooltip.h" | |
19 | ||
20 | #ifndef WX_PRECOMP | |
21 | #include "wx/app.h" | |
22 | #include "wx/window.h" | |
23 | #include "wx/dc.h" | |
24 | #include "wx/timer.h" | |
25 | #endif | |
26 | ||
27 | #include "wx/geometry.h" | |
28 | #include "wx/mac/uma.h" | |
29 | ||
30 | //----------------------------------------------------------------------------- | |
31 | // global data | |
32 | //----------------------------------------------------------------------------- | |
33 | ||
34 | class wxMacToolTipTimer ; | |
35 | ||
36 | class wxMacToolTip | |
37 | { | |
38 | public : | |
39 | wxMacToolTip( ) ; | |
40 | ~wxMacToolTip() ; | |
41 | ||
42 | void Setup( WindowRef window , const wxString& text , wxPoint localPosition ) ; | |
43 | long GetMark() { return m_mark ; } | |
44 | void Draw() ; | |
45 | void Clear() ; | |
46 | bool IsShown() { return m_shown ; } | |
47 | private : | |
48 | ||
49 | wxString m_label ; | |
50 | wxPoint m_position ; | |
51 | Rect m_rect ; | |
52 | WindowRef m_window ; | |
53 | PicHandle m_backpict ; | |
54 | bool m_shown ; | |
55 | long m_mark ; | |
56 | wxMacToolTipTimer* m_timer ; | |
57 | #if TARGET_CARBON | |
58 | wxMacCFStringHolder m_helpTextRef ; | |
59 | #endif | |
60 | } ; | |
61 | ||
62 | class wxMacToolTipTimer : public wxTimer | |
63 | { | |
64 | public: | |
65 | wxMacToolTipTimer() {} ; | |
66 | wxMacToolTipTimer(wxMacToolTip* tip, int iMilliseconds) ; | |
67 | virtual ~wxMacToolTipTimer() {} ; | |
68 | void Notify() | |
69 | { | |
70 | if ( m_mark == m_tip->GetMark() ) | |
71 | m_tip->Draw() ; | |
72 | } | |
73 | protected: | |
74 | wxMacToolTip* m_tip; | |
75 | long m_mark ; | |
76 | }; | |
77 | ||
78 | //----------------------------------------------------------------------------- | |
79 | // wxToolTip | |
80 | //----------------------------------------------------------------------------- | |
81 | static long s_ToolTipDelay = 500 ; | |
82 | static bool s_ShowToolTips = true ; | |
83 | static wxMacToolTip s_ToolTip ; | |
84 | static wxWindow* s_LastWindowEntered = NULL ; | |
85 | static wxRect2DInt s_ToolTipArea ; | |
86 | static WindowRef s_ToolTipWindowRef = NULL ; | |
87 | ||
88 | IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject) | |
89 | ||
90 | wxToolTip::wxToolTip( const wxString &tip ) | |
91 | { | |
92 | m_text = tip; | |
93 | m_window = (wxWindow*) NULL; | |
94 | } | |
95 | ||
96 | wxToolTip::~wxToolTip() | |
97 | { | |
98 | } | |
99 | ||
100 | void wxToolTip::SetTip( const wxString &tip ) | |
101 | { | |
102 | m_text = tip; | |
103 | ||
104 | if ( m_window ) | |
105 | { | |
106 | /* | |
107 | // update it immediately | |
108 | wxToolInfo ti(GetHwndOf(m_window)); | |
109 | ti.lpszText = (wxChar *)m_text.c_str(); | |
110 | ||
111 | (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti); | |
112 | */ | |
113 | } | |
114 | } | |
115 | ||
116 | void wxToolTip::SetWindow( wxWindow *win ) | |
117 | { | |
118 | m_window = win ; | |
119 | } | |
120 | ||
121 | void wxToolTip::Enable( bool flag ) | |
122 | { | |
123 | if ( s_ShowToolTips != flag ) | |
124 | { | |
125 | s_ShowToolTips = flag ; | |
126 | if ( s_ShowToolTips ) | |
127 | { | |
128 | } | |
129 | else | |
130 | { | |
131 | s_ToolTip.Clear() ; | |
132 | } | |
133 | } | |
134 | } | |
135 | ||
136 | void wxToolTip::SetDelay( long msecs ) | |
137 | { | |
138 | s_ToolTipDelay = msecs ; | |
139 | } | |
140 | ||
141 | void wxToolTip::RelayEvent( wxWindow *win , wxMouseEvent &event ) | |
142 | { | |
143 | if ( s_ShowToolTips ) | |
144 | { | |
145 | if ( event.GetEventType() == wxEVT_LEAVE_WINDOW ) | |
146 | { | |
147 | s_ToolTip.Clear() ; | |
148 | } | |
149 | else if (event.GetEventType() == wxEVT_ENTER_WINDOW || event.GetEventType() == wxEVT_MOTION ) | |
150 | { | |
151 | wxPoint2DInt where( event.m_x , event.m_y ) ; | |
152 | if ( s_LastWindowEntered == win && s_ToolTipArea.Contains( where ) ) | |
153 | { | |
154 | } | |
155 | else | |
156 | { | |
157 | s_ToolTip.Clear() ; | |
158 | s_ToolTipArea = wxRect2DInt( event.m_x - 2 , event.m_y - 2 , 4 , 4 ) ; | |
159 | s_LastWindowEntered = win ; | |
160 | ||
161 | WindowRef window = MAC_WXHWND( win->MacGetRootWindow() ) ; | |
162 | int x = event.m_x ; | |
163 | int y = event.m_y ; | |
164 | wxPoint local( x , y ) ; | |
165 | win->MacClientToRootWindow( &x, &y ) ; | |
166 | wxPoint windowlocal( x , y ) ; | |
167 | s_ToolTip.Setup( window , win->MacGetToolTipString( local ) , windowlocal ) ; | |
168 | } | |
169 | } | |
170 | } | |
171 | } | |
172 | ||
173 | void wxToolTip::RemoveToolTips() | |
174 | { | |
175 | s_ToolTip.Clear() ; | |
176 | } | |
177 | // --- mac specific | |
178 | ||
179 | wxMacToolTipTimer::wxMacToolTipTimer( wxMacToolTip *tip , int msec ) | |
180 | { | |
181 | m_tip = tip; | |
182 | m_mark = tip->GetMark() ; | |
183 | Start(msec, true); | |
184 | } | |
185 | ||
186 | wxMacToolTip::wxMacToolTip() | |
187 | { | |
188 | m_window = NULL ; | |
189 | m_backpict = NULL ; | |
190 | m_mark = 0 ; | |
191 | m_shown = false ; | |
192 | m_timer = NULL ; | |
193 | } | |
194 | ||
195 | void wxMacToolTip::Setup( WindowRef win , const wxString& text , wxPoint localPosition ) | |
196 | { | |
197 | m_mark++ ; | |
198 | Clear() ; | |
199 | m_position = localPosition ; | |
200 | m_label = text ; | |
201 | m_window =win; | |
202 | s_ToolTipWindowRef = m_window ; | |
203 | m_backpict = NULL ; | |
204 | if ( m_timer ) | |
205 | delete m_timer ; | |
206 | m_timer = new wxMacToolTipTimer( this , s_ToolTipDelay ) ; | |
207 | } | |
208 | ||
209 | wxMacToolTip::~wxMacToolTip() | |
210 | { | |
211 | if ( m_timer ) { | |
212 | delete m_timer ; | |
213 | m_timer = NULL; | |
214 | } | |
215 | if ( m_backpict ) | |
216 | Clear() ; | |
217 | } | |
218 | ||
219 | const short kTipBorder = 2 ; | |
220 | const short kTipOffset = 5 ; | |
221 | ||
222 | void wxMacToolTip::Draw() | |
223 | { | |
224 | if ( m_label.empty() ) | |
225 | return ; | |
226 | ||
227 | if ( m_window == s_ToolTipWindowRef ) | |
228 | { | |
229 | m_shown = true ; | |
230 | #if TARGET_CARBON | |
231 | HMHelpContentRec tag ; | |
232 | tag.version = kMacHelpVersion; | |
233 | SetRect( &tag.absHotRect , m_position.x - 2 , m_position.y - 2 , m_position.x + 2 , m_position.y + 2 ) ; | |
234 | GrafPtr port ; | |
235 | GetPort( &port ) ; | |
236 | SetPortWindowPort(m_window) ; | |
237 | LocalToGlobal( (Point *) &tag.absHotRect.top ); | |
238 | LocalToGlobal( (Point *) &tag.absHotRect.bottom ); | |
239 | SetPort( port ); | |
240 | m_helpTextRef.Assign( m_label , wxFONTENCODING_DEFAULT ) ; | |
241 | tag.content[kHMMinimumContentIndex].contentType = kHMCFStringContent ; | |
242 | tag.content[kHMMinimumContentIndex].u.tagCFString = m_helpTextRef ; | |
243 | tag.content[kHMMaximumContentIndex].contentType = kHMCFStringContent ; | |
244 | tag.content[kHMMaximumContentIndex].u.tagCFString = m_helpTextRef ; | |
245 | tag.tagSide = kHMDefaultSide; | |
246 | HMDisplayTag( &tag ); | |
247 | #else | |
248 | wxMacPortStateHelper help( (GrafPtr) GetWindowPort( m_window ) ); | |
249 | FontFamilyID fontId ; | |
250 | Str255 fontName ; | |
251 | SInt16 fontSize ; | |
252 | Style fontStyle ; | |
253 | GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ; | |
254 | GetFNum( fontName, &fontId ); | |
255 | ||
256 | TextFont( fontId ) ; | |
257 | TextSize( fontSize ) ; | |
258 | TextFace( fontStyle ) ; | |
259 | FontInfo fontInfo; | |
260 | ::GetFontInfo(&fontInfo); | |
261 | short lineh = fontInfo.ascent + fontInfo.descent + fontInfo.leading; | |
262 | short height = 0 ; | |
263 | ||
264 | int i = 0 ; | |
265 | int length = m_label.length() ; | |
266 | int width = 0 ; | |
267 | int thiswidth = 0 ; | |
268 | int laststop = 0 ; | |
269 | wxCharBuffer text = m_label.mb_str( wxConvLocal) ; | |
270 | ||
271 | while( i < length ) | |
272 | { | |
273 | if( text[i] == 13 || text[i] == 10) | |
274 | { | |
275 | thiswidth = ::TextWidth( text , laststop , i - laststop ) ; | |
276 | if ( thiswidth > width ) | |
277 | width = thiswidth ; | |
278 | ||
279 | height += lineh ; | |
280 | laststop = i+1 ; | |
281 | } | |
282 | i++ ; | |
283 | } | |
284 | if ( i - laststop > 0 ) | |
285 | { | |
286 | thiswidth = ::TextWidth( text , laststop , i - laststop ) ; | |
287 | if ( thiswidth > width ) | |
288 | width = thiswidth ; | |
289 | height += lineh ; | |
290 | } | |
291 | ||
292 | m_rect.left = m_position.x + kTipOffset; | |
293 | m_rect.top = m_position.y + kTipOffset; | |
294 | m_rect.right = m_rect.left + width + 2 * kTipBorder; | |
295 | ||
296 | m_rect.bottom = m_rect.top + height + 2 * kTipBorder; | |
297 | Rect r ; | |
298 | GetPortBounds( GetWindowPort( m_window ) , &r ) ; | |
299 | if ( m_rect.top < 0 ) | |
300 | { | |
301 | m_rect.bottom += -m_rect.top ; | |
302 | m_rect.top = 0 ; | |
303 | } | |
304 | if ( m_rect.left < 0 ) | |
305 | { | |
306 | m_rect.right += -m_rect.left ; | |
307 | m_rect.left = 0 ; | |
308 | } | |
309 | if ( m_rect.right > r.right ) | |
310 | { | |
311 | m_rect.left -= (m_rect.right - r.right ) ; | |
312 | m_rect.right = r.right ; | |
313 | } | |
314 | if ( m_rect.bottom > r.bottom ) | |
315 | { | |
316 | m_rect.top -= (m_rect.bottom - r.bottom) ; | |
317 | m_rect.bottom = r.bottom ; | |
318 | } | |
319 | ClipRect( &m_rect ) ; | |
320 | BackColor( whiteColor ) ; | |
321 | ForeColor(blackColor ) ; | |
322 | GWorldPtr port ; | |
323 | NewGWorld( &port , wxDisplayDepth() , &m_rect , NULL , NULL , 0 ) ; | |
324 | CGrafPtr origPort ; | |
325 | GDHandle origDevice ; | |
326 | ||
327 | GetGWorld( &origPort , &origDevice ) ; | |
328 | SetGWorld( port , NULL ) ; | |
329 | ||
330 | m_backpict = OpenPicture(&m_rect); | |
331 | ||
332 | CopyBits(GetPortBitMapForCopyBits(GetWindowPort(m_window)), | |
333 | GetPortBitMapForCopyBits(port), | |
334 | &m_rect, | |
335 | &m_rect, | |
336 | srcCopy, | |
337 | NULL); | |
338 | ClosePicture(); | |
339 | SetGWorld( origPort , origDevice ) ; | |
340 | DisposeGWorld( port ) ; | |
341 | PenNormal() ; | |
342 | ||
343 | RGBColor tooltipbackground = { 0xFFFF , 0xFFFF , 0xC000 } ; | |
344 | BackColor( whiteColor ) ; | |
345 | RGBForeColor( &tooltipbackground ) ; | |
346 | ||
347 | PaintRect( &m_rect ) ; | |
348 | ForeColor(blackColor ) ; | |
349 | FrameRect( &m_rect ) ; | |
350 | SetThemeTextColor(kThemeTextColorNotification,wxDisplayDepth(),true) ; | |
351 | ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder); | |
352 | ||
353 | i = 0 ; | |
354 | laststop = 0 ; | |
355 | height = 0 ; | |
356 | ||
357 | while( i < length ) | |
358 | { | |
359 | if( text[i] == 13 || text[i] == 10) | |
360 | { | |
361 | ::DrawText( text , laststop , i - laststop ) ; | |
362 | height += lineh ; | |
363 | ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder + height ); | |
364 | laststop = i+1 ; | |
365 | } | |
366 | i++ ; | |
367 | } | |
368 | ::DrawText( text , laststop , i - laststop ) ; | |
369 | ::TextMode( srcOr ) ; | |
370 | #endif | |
371 | } | |
372 | } | |
373 | ||
374 | void wxToolTip::NotifyWindowDelete( WXHWND win ) | |
375 | { | |
376 | if ( win == s_ToolTipWindowRef ) | |
377 | { | |
378 | s_ToolTipWindowRef = NULL ; | |
379 | } | |
380 | } | |
381 | ||
382 | void wxMacToolTip::Clear() | |
383 | { | |
384 | m_mark++ ; | |
385 | if ( m_timer ) | |
386 | { | |
387 | delete m_timer ; | |
388 | m_timer = NULL ; | |
389 | } | |
390 | if ( !m_shown ) | |
391 | return ; | |
392 | #if TARGET_CARBON | |
393 | HMHideTag() ; | |
394 | m_helpTextRef.Release() ; | |
395 | #else | |
396 | if ( m_window == s_ToolTipWindowRef && m_backpict ) | |
397 | { | |
398 | wxMacPortStateHelper help( (GrafPtr) GetWindowPort(m_window) ) ; | |
399 | ||
400 | m_shown = false ; | |
401 | ||
402 | BackColor( whiteColor ) ; | |
403 | ForeColor(blackColor ) ; | |
404 | DrawPicture(m_backpict, &m_rect); | |
405 | KillPicture(m_backpict); | |
406 | m_backpict = NULL ; | |
407 | } | |
408 | #endif | |
409 | } | |
410 | ||
411 | #endif // wxUSE_TOOLTIPS |