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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 | ||
81 | IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject) | |
82 | ||
83 | wxToolTip::wxToolTip( const wxString &tip ) | |
84 | { | |
85 | m_text = tip; | |
86 | m_window = (wxWindow*) NULL; | |
87 | } | |
88 | ||
89 | wxToolTip::~wxToolTip() | |
90 | { | |
91 | } | |
92 | ||
93 | void wxToolTip::SetTip( const wxString &tip ) | |
94 | { | |
95 | m_text = tip; | |
96 | ||
97 | if ( m_window ) | |
98 | { | |
99 | /* | |
100 | // update it immediately | |
101 | wxToolInfo ti(GetHwndOf(m_window)); | |
102 | ti.lpszText = (wxChar *)m_text.c_str(); | |
103 | ||
104 | (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti); | |
105 | */ | |
106 | } | |
107 | } | |
108 | ||
109 | void wxToolTip::SetWindow( wxWindow *win ) | |
110 | { | |
111 | m_window = win ; | |
112 | } | |
113 | ||
114 | void wxToolTip::Enable( bool flag ) | |
115 | { | |
116 | if ( s_ShowToolTips != flag ) | |
117 | { | |
118 | s_ShowToolTips = flag ; | |
119 | if ( s_ShowToolTips ) | |
120 | { | |
121 | } | |
122 | else | |
123 | { | |
124 | s_ToolTip.Clear() ; | |
125 | } | |
126 | } | |
127 | } | |
128 | ||
129 | void wxToolTip::SetDelay( long msecs ) | |
130 | { | |
131 | s_ToolTipDelay = msecs ; | |
132 | } | |
133 | ||
134 | void wxToolTip::RelayEvent( wxWindow *win , wxMouseEvent &event ) | |
135 | { | |
136 | if ( s_ShowToolTips ) | |
137 | { | |
138 | if ( event.GetEventType() == wxEVT_LEAVE_WINDOW ) | |
139 | { | |
140 | s_ToolTip.Clear() ; | |
141 | } | |
142 | else if (event.GetEventType() == wxEVT_ENTER_WINDOW || event.GetEventType() == wxEVT_MOTION ) | |
143 | { | |
144 | wxPoint2DInt where( event.m_x , event.m_y ) ; | |
145 | if ( s_LastWindowEntered == win && s_ToolTipArea.Contains( where ) ) | |
146 | { | |
147 | } | |
148 | else | |
149 | { | |
150 | s_ToolTip.Clear() ; | |
151 | s_ToolTipArea = wxRect2DInt( event.m_x - 2 , event.m_y - 2 , 4 , 4 ) ; | |
152 | s_LastWindowEntered = win ; | |
153 | ||
154 | WindowRef window = MAC_WXHWND( win->MacGetRootWindow() ) ; | |
155 | int x = event.m_x ; | |
156 | int y = event.m_y ; | |
157 | wxPoint local( x , y ) ; | |
158 | win->MacClientToRootWindow( &x, &y ) ; | |
159 | wxPoint windowlocal( x , y ) ; | |
160 | s_ToolTip.Setup( window , win->MacGetToolTipString( local ) , windowlocal ) ; | |
161 | } | |
162 | } | |
163 | } | |
164 | } | |
165 | ||
166 | void wxToolTip::RemoveToolTips() | |
167 | { | |
168 | s_ToolTip.Clear() ; | |
169 | } | |
170 | // --- mac specific | |
171 | ||
172 | wxMacToolTipTimer::wxMacToolTipTimer( wxMacToolTip *tip , int msec ) | |
173 | { | |
174 | m_tip = tip; | |
175 | m_mark = tip->GetMark() ; | |
176 | Start(msec, true); | |
177 | } | |
178 | ||
179 | wxMacToolTip::wxMacToolTip() | |
180 | { | |
181 | m_window = NULL ; | |
182 | m_backpict = NULL ; | |
183 | m_mark = 0 ; | |
184 | m_shown = false ; | |
185 | m_timer = NULL ; | |
186 | } | |
187 | ||
188 | void wxMacToolTip::Setup( WindowRef win , wxString text , wxPoint localPosition ) | |
189 | { | |
190 | m_mark++ ; | |
191 | Clear() ; | |
192 | m_position = localPosition ; | |
193 | if( wxApp::s_macDefaultEncodingIsPC ) | |
194 | m_label = wxMacMakeMacStringFromPC( text ) ; | |
195 | else | |
196 | m_label = text ; | |
197 | m_window =win; | |
198 | s_ToolTipWindowRef = m_window ; | |
199 | m_backpict = NULL ; | |
200 | if ( m_timer ) | |
201 | delete m_timer ; | |
202 | m_timer = new wxMacToolTipTimer( this , s_ToolTipDelay ) ; | |
203 | } | |
204 | ||
205 | wxMacToolTip::~wxMacToolTip() | |
206 | { | |
207 | if ( m_timer ) { | |
208 | delete m_timer ; | |
209 | m_timer = NULL; | |
210 | } | |
211 | if ( m_backpict ) | |
212 | Clear() ; | |
213 | } | |
214 | ||
215 | const short kTipBorder = 2 ; | |
216 | const short kTipOffset = 5 ; | |
217 | ||
218 | void wxMacToolTip::Draw() | |
219 | { | |
220 | if ( m_label.Length() == 0 ) | |
221 | return ; | |
222 | ||
223 | if ( m_window == s_ToolTipWindowRef ) | |
224 | { | |
225 | #if TARGET_CARBON | |
226 | /* | |
227 | if ( HMDisplayTag != (void*) kUnresolvedCFragSymbolAddress ) | |
228 | { | |
229 | HMDisplayTag( | |
230 | } | |
231 | else | |
232 | */ | |
233 | #endif | |
234 | { | |
235 | wxMacPortStateHelper help( (GrafPtr) GetWindowPort( m_window ) ); | |
236 | #if TARGET_CARBON | |
237 | bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ; | |
238 | #endif | |
239 | m_shown = true ; | |
240 | ||
241 | FontFamilyID fontId ; | |
242 | Str255 fontName ; | |
243 | SInt16 fontSize ; | |
244 | Style fontStyle ; | |
245 | GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ; | |
246 | GetFNum( fontName, &fontId ); | |
247 | ||
248 | TextFont( fontId ) ; | |
249 | TextSize( fontSize ) ; | |
250 | TextFace( fontStyle ) ; | |
251 | FontInfo fontInfo; | |
252 | ::GetFontInfo(&fontInfo); | |
253 | short lineh = fontInfo.ascent + fontInfo.descent + fontInfo.leading; | |
254 | short height = 0 ; | |
255 | // short width = TextWidth( m_label , 0 ,m_label.Length() ) ; | |
256 | ||
257 | int i = 0 ; | |
258 | int length = m_label.Length() ; | |
259 | int width = 0 ; | |
260 | int thiswidth = 0 ; | |
261 | int laststop = 0 ; | |
262 | const char *text = m_label ; | |
263 | while( i < length ) | |
264 | { | |
265 | if( text[i] == 13 || text[i] == 10) | |
266 | { | |
267 | thiswidth = ::TextWidth( text , laststop , i - laststop ) ; | |
268 | if ( thiswidth > width ) | |
269 | width = thiswidth ; | |
270 | ||
271 | height += lineh ; | |
272 | laststop = i+1 ; | |
273 | } | |
274 | i++ ; | |
275 | } | |
276 | if ( i - laststop > 0 ) | |
277 | { | |
278 | thiswidth = ::TextWidth( text , laststop , i - laststop ) ; | |
279 | if ( thiswidth > width ) | |
280 | width = thiswidth ; | |
281 | height += lineh ; | |
282 | } | |
283 | ||
284 | ||
285 | m_rect.left = m_position.x + kTipOffset; | |
286 | m_rect.top = m_position.y + kTipOffset; | |
287 | m_rect.right = m_rect.left + width + 2 * kTipBorder; | |
288 | #if TARGET_CARBON | |
289 | if ( useDrawThemeText ) | |
290 | m_rect.right += kTipBorder ; | |
291 | #endif | |
292 | m_rect.bottom = m_rect.top + height + 2 * kTipBorder; | |
293 | Rect r ; | |
294 | GetPortBounds( GetWindowPort( m_window ) , &r ) ; | |
295 | if ( m_rect.top < 0 ) | |
296 | { | |
297 | m_rect.bottom += -m_rect.top ; | |
298 | m_rect.top = 0 ; | |
299 | } | |
300 | if ( m_rect.left < 0 ) | |
301 | { | |
302 | m_rect.right += -m_rect.left ; | |
303 | m_rect.left = 0 ; | |
304 | } | |
305 | if ( m_rect.right > r.right ) | |
306 | { | |
307 | m_rect.left -= (m_rect.right - r.right ) ; | |
308 | m_rect.right = r.right ; | |
309 | } | |
310 | if ( m_rect.bottom > r.bottom ) | |
311 | { | |
312 | m_rect.top -= (m_rect.bottom - r.bottom) ; | |
313 | m_rect.bottom = r.bottom ; | |
314 | } | |
315 | ClipRect( &m_rect ) ; | |
316 | BackColor( whiteColor ) ; | |
317 | ForeColor(blackColor ) ; | |
318 | GWorldPtr port ; | |
319 | NewGWorld( &port , wxDisplayDepth() , &m_rect , NULL , NULL , 0 ) ; | |
320 | CGrafPtr origPort ; | |
321 | GDHandle origDevice ; | |
322 | ||
323 | GetGWorld( &origPort , &origDevice ) ; | |
324 | SetGWorld( port , NULL ) ; | |
325 | ||
326 | m_backpict = OpenPicture(&m_rect); | |
327 | ||
328 | CopyBits(GetPortBitMapForCopyBits(GetWindowPort(m_window)), | |
329 | GetPortBitMapForCopyBits(port), | |
330 | &m_rect, | |
331 | &m_rect, | |
332 | srcCopy, | |
333 | NULL); | |
334 | ClosePicture(); | |
335 | SetGWorld( origPort , origDevice ) ; | |
336 | DisposeGWorld( port ) ; | |
337 | PenNormal() ; | |
338 | ||
339 | RGBColor tooltipbackground = { 0xFFFF , 0xFFFF , 0xC000 } ; | |
340 | BackColor( whiteColor ) ; | |
341 | RGBForeColor( &tooltipbackground ) ; | |
342 | ||
343 | PaintRect( &m_rect ) ; | |
344 | ForeColor(blackColor ) ; | |
345 | FrameRect( &m_rect ) ; | |
346 | SetThemeTextColor(kThemeTextColorNotification,wxDisplayDepth(),true) ; | |
347 | ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder); | |
348 | ||
349 | i = 0 ; | |
350 | laststop = 0 ; | |
351 | height = 0 ; | |
352 | ||
353 | while( i < length ) | |
354 | { | |
355 | if( text[i] == 13 || text[i] == 10) | |
356 | { | |
357 | #if TARGET_CARBON | |
358 | if ( useDrawThemeText ) | |
359 | { | |
360 | Rect frame ; | |
361 | frame.top = m_rect.top + kTipBorder + height ; | |
362 | frame.left = m_rect.left + kTipBorder ; | |
363 | frame.bottom = frame.top + 1000 ; | |
364 | frame.right = frame.left + 1000 ; | |
365 | CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text + laststop , i - laststop , CFStringGetSystemEncoding(), false ) ; | |
366 | ::DrawThemeTextBox( mString, | |
367 | kThemeCurrentPortFont, | |
368 | kThemeStateActive, | |
369 | true, | |
370 | &frame, | |
371 | teJustLeft, | |
372 | nil ); | |
373 | CFRelease( mString ) ; | |
374 | height += lineh ; | |
375 | } | |
376 | else | |
377 | #endif | |
378 | { | |
379 | ::DrawText( text , laststop , i - laststop ) ; | |
380 | height += lineh ; | |
381 | ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder + height ); | |
382 | } | |
383 | laststop = i+1 ; | |
384 | } | |
385 | i++ ; | |
386 | } | |
387 | #if TARGET_CARBON | |
388 | if ( useDrawThemeText ) | |
389 | { | |
390 | Rect frame ; | |
391 | frame.top = m_rect.top + kTipBorder + height ; | |
392 | frame.left = m_rect.left + kTipBorder ; | |
393 | frame.bottom = frame.top + 1000 ; | |
394 | frame.right = frame.left + 1000 ; | |
395 | CFStringRef mString = CFStringCreateWithCString( NULL , text + laststop , kCFStringEncodingMacRoman ) ; | |
396 | ::DrawThemeTextBox( mString, | |
397 | kThemeCurrentPortFont, | |
398 | kThemeStateActive, | |
399 | true, | |
400 | &frame, | |
401 | teJustLeft, | |
402 | nil ); | |
403 | CFRelease( mString ) ; | |
404 | } | |
405 | else | |
406 | #endif | |
407 | { | |
408 | ::DrawText( text , laststop , i - laststop ) ; | |
409 | } | |
410 | ::TextMode( srcOr ) ; | |
411 | } | |
412 | } | |
413 | } | |
414 | ||
415 | void wxToolTip::NotifyWindowDelete( WXHWND win ) | |
416 | { | |
417 | if ( win == s_ToolTipWindowRef ) | |
418 | { | |
419 | s_ToolTipWindowRef = NULL ; | |
420 | } | |
421 | } | |
422 | ||
423 | void wxMacToolTip::Clear() | |
424 | { | |
425 | m_mark++ ; | |
426 | if ( m_timer ) | |
427 | { | |
428 | delete m_timer ; | |
429 | m_timer = NULL ; | |
430 | } | |
431 | if ( !m_shown ) | |
432 | return ; | |
433 | ||
434 | if ( m_window == s_ToolTipWindowRef && m_backpict ) | |
435 | { | |
436 | wxMacPortStateHelper help( (GrafPtr) GetWindowPort(m_window) ) ; | |
437 | ||
438 | m_shown = false ; | |
439 | ||
440 | BackColor( whiteColor ) ; | |
441 | ForeColor(blackColor ) ; | |
442 | DrawPicture(m_backpict, &m_rect); | |
443 | KillPicture(m_backpict); | |
444 | m_backpict = NULL ; | |
445 | } | |
446 | } | |
447 | ||
448 | #endif | |
449 |