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2646f485 SC |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: tooltip.cpp | |
3 | // Purpose: wxToolTip implementation | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
65571936 | 7 | // Licence: wxWindows licence |
2646f485 SC |
8 | ///////////////////////////////////////////////////////////////////////////// |
9 | ||
2646f485 SC |
10 | #include "wx/defs.h" |
11 | ||
12 | #if wxUSE_TOOLTIPS | |
13 | ||
14 | #include "wx/app.h" | |
15 | #include "wx/dc.h" | |
16 | #include "wx/window.h" | |
17 | #include "wx/tooltip.h" | |
18 | #include "wx/timer.h" | |
19 | #include "wx/geometry.h" | |
20 | #include "wx/mac/uma.h" | |
21 | ||
22 | //----------------------------------------------------------------------------- | |
23 | // global data | |
24 | //----------------------------------------------------------------------------- | |
25 | ||
26 | class wxMacToolTipTimer ; | |
27 | ||
28 | class wxMacToolTip | |
29 | { | |
30 | public : | |
31 | wxMacToolTip( ) ; | |
32 | ~wxMacToolTip() ; | |
33 | ||
34 | void Setup( WindowRef window , const wxString& text , wxPoint localPosition ) ; | |
35 | long GetMark() { return m_mark ; } | |
36 | void Draw() ; | |
37 | void Clear() ; | |
38 | bool IsShown() { return m_shown ; } | |
39 | private : | |
40 | ||
41 | wxString m_label ; | |
42 | wxPoint m_position ; | |
43 | Rect m_rect ; | |
44 | WindowRef m_window ; | |
45 | PicHandle m_backpict ; | |
46 | bool m_shown ; | |
47 | long m_mark ; | |
48 | wxMacToolTipTimer* m_timer ; | |
49 | #if TARGET_CARBON | |
50 | wxMacCFStringHolder m_helpTextRef ; | |
51 | #endif | |
52 | } ; | |
53 | ||
54 | class wxMacToolTipTimer : public wxTimer | |
55 | { | |
56 | public: | |
57 | wxMacToolTipTimer() {} ; | |
58 | wxMacToolTipTimer(wxMacToolTip* tip, int iMilliseconds) ; | |
59 | virtual ~wxMacToolTipTimer() {} ; | |
60 | void Notify() | |
61 | { | |
62 | if ( m_mark == m_tip->GetMark() ) | |
63 | m_tip->Draw() ; | |
64 | } | |
65 | protected: | |
66 | wxMacToolTip* m_tip; | |
67 | long m_mark ; | |
68 | }; | |
69 | ||
70 | //----------------------------------------------------------------------------- | |
71 | // wxToolTip | |
72 | //----------------------------------------------------------------------------- | |
73 | static long s_ToolTipDelay = 500 ; | |
74 | static bool s_ShowToolTips = true ; | |
75 | static wxMacToolTip s_ToolTip ; | |
76 | static wxWindow* s_LastWindowEntered = NULL ; | |
77 | static wxRect2DInt s_ToolTipArea ; | |
78 | static WindowRef s_ToolTipWindowRef = NULL ; | |
79 | ||
80 | IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject) | |
81 | ||
82 | wxToolTip::wxToolTip( const wxString &tip ) | |
83 | { | |
84 | m_text = tip; | |
85 | m_window = (wxWindow*) NULL; | |
86 | } | |
87 | ||
88 | wxToolTip::~wxToolTip() | |
89 | { | |
90 | } | |
91 | ||
92 | void wxToolTip::SetTip( const wxString &tip ) | |
93 | { | |
94 | m_text = tip; | |
95 | ||
96 | if ( m_window ) | |
97 | { | |
98 | /* | |
99 | // update it immediately | |
100 | wxToolInfo ti(GetHwndOf(m_window)); | |
101 | ti.lpszText = (wxChar *)m_text.c_str(); | |
102 | ||
103 | (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, 0, &ti); | |
104 | */ | |
105 | } | |
106 | } | |
107 | ||
108 | void wxToolTip::SetWindow( wxWindow *win ) | |
109 | { | |
110 | m_window = win ; | |
111 | } | |
112 | ||
113 | void wxToolTip::Enable( bool flag ) | |
114 | { | |
115 | if ( s_ShowToolTips != flag ) | |
116 | { | |
117 | s_ShowToolTips = flag ; | |
118 | if ( s_ShowToolTips ) | |
119 | { | |
120 | } | |
121 | else | |
122 | { | |
123 | s_ToolTip.Clear() ; | |
124 | } | |
125 | } | |
126 | } | |
127 | ||
128 | void wxToolTip::SetDelay( long msecs ) | |
129 | { | |
130 | s_ToolTipDelay = msecs ; | |
131 | } | |
132 | ||
133 | void wxToolTip::RelayEvent( wxWindow *win , wxMouseEvent &event ) | |
134 | { | |
135 | if ( s_ShowToolTips ) | |
136 | { | |
137 | if ( event.GetEventType() == wxEVT_LEAVE_WINDOW ) | |
138 | { | |
139 | s_ToolTip.Clear() ; | |
140 | } | |
141 | else if (event.GetEventType() == wxEVT_ENTER_WINDOW || event.GetEventType() == wxEVT_MOTION ) | |
142 | { | |
143 | wxPoint2DInt where( event.m_x , event.m_y ) ; | |
144 | if ( s_LastWindowEntered == win && s_ToolTipArea.Contains( where ) ) | |
145 | { | |
146 | } | |
147 | else | |
148 | { | |
149 | s_ToolTip.Clear() ; | |
150 | s_ToolTipArea = wxRect2DInt( event.m_x - 2 , event.m_y - 2 , 4 , 4 ) ; | |
151 | s_LastWindowEntered = win ; | |
152 | ||
153 | WindowRef window = MAC_WXHWND( win->MacGetRootWindow() ) ; | |
154 | int x = event.m_x ; | |
155 | int y = event.m_y ; | |
156 | wxPoint local( x , y ) ; | |
157 | win->MacClientToRootWindow( &x, &y ) ; | |
158 | wxPoint windowlocal( x , y ) ; | |
159 | s_ToolTip.Setup( window , win->MacGetToolTipString( local ) , windowlocal ) ; | |
160 | } | |
161 | } | |
162 | } | |
163 | } | |
164 | ||
165 | void wxToolTip::RemoveToolTips() | |
166 | { | |
167 | s_ToolTip.Clear() ; | |
168 | } | |
169 | // --- mac specific | |
170 | ||
171 | wxMacToolTipTimer::wxMacToolTipTimer( wxMacToolTip *tip , int msec ) | |
172 | { | |
173 | m_tip = tip; | |
174 | m_mark = tip->GetMark() ; | |
175 | Start(msec, true); | |
176 | } | |
177 | ||
178 | wxMacToolTip::wxMacToolTip() | |
179 | { | |
180 | m_window = NULL ; | |
181 | m_backpict = NULL ; | |
182 | m_mark = 0 ; | |
183 | m_shown = false ; | |
184 | m_timer = NULL ; | |
185 | } | |
186 | ||
187 | void wxMacToolTip::Setup( WindowRef win , const wxString& text , wxPoint localPosition ) | |
188 | { | |
189 | m_mark++ ; | |
190 | Clear() ; | |
191 | m_position = localPosition ; | |
192 | m_label = text ; | |
193 | m_window =win; | |
194 | s_ToolTipWindowRef = m_window ; | |
195 | m_backpict = NULL ; | |
196 | if ( m_timer ) | |
197 | delete m_timer ; | |
198 | m_timer = new wxMacToolTipTimer( this , s_ToolTipDelay ) ; | |
199 | } | |
200 | ||
201 | wxMacToolTip::~wxMacToolTip() | |
202 | { | |
203 | if ( m_timer ) { | |
204 | delete m_timer ; | |
205 | m_timer = NULL; | |
206 | } | |
207 | if ( m_backpict ) | |
208 | Clear() ; | |
209 | } | |
210 | ||
211 | const short kTipBorder = 2 ; | |
212 | const short kTipOffset = 5 ; | |
213 | ||
214 | void wxMacToolTip::Draw() | |
215 | { | |
216 | if ( m_label.Length() == 0 ) | |
217 | return ; | |
218 | ||
219 | if ( m_window == s_ToolTipWindowRef ) | |
220 | { | |
221 | m_shown = true ; | |
222 | #if TARGET_CARBON | |
223 | HMHelpContentRec tag ; | |
224 | tag.version = kMacHelpVersion; | |
225 | SetRect( &tag.absHotRect , m_position.x - 2 , m_position.y - 2 , m_position.x + 2 , m_position.y + 2 ) ; | |
226 | GrafPtr port ; | |
227 | GetPort( &port ) ; | |
228 | SetPortWindowPort(m_window) ; | |
229 | LocalToGlobal( (Point *) &tag.absHotRect.top ); | |
230 | LocalToGlobal( (Point *) &tag.absHotRect.bottom ); | |
231 | SetPort( port ); | |
232 | m_helpTextRef.Assign( m_label , wxFONTENCODING_DEFAULT ) ; | |
233 | tag.content[kHMMinimumContentIndex].contentType = kHMCFStringContent ; | |
234 | tag.content[kHMMinimumContentIndex].u.tagCFString = m_helpTextRef ; | |
235 | tag.content[kHMMaximumContentIndex].contentType = kHMCFStringContent ; | |
236 | tag.content[kHMMaximumContentIndex].u.tagCFString = m_helpTextRef ; | |
237 | tag.tagSide = kHMDefaultSide; | |
238 | HMDisplayTag( &tag ); | |
239 | #else | |
240 | wxMacPortStateHelper help( (GrafPtr) GetWindowPort( m_window ) ); | |
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 | ||
256 | int i = 0 ; | |
257 | int length = m_label.Length() ; | |
258 | int width = 0 ; | |
259 | int thiswidth = 0 ; | |
260 | int laststop = 0 ; | |
261 | wxCharBuffer text = m_label.mb_str( wxConvLocal) ; | |
262 | ||
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 | m_rect.left = m_position.x + kTipOffset; | |
285 | m_rect.top = m_position.y + kTipOffset; | |
286 | m_rect.right = m_rect.left + width + 2 * kTipBorder; | |
287 | ||
288 | m_rect.bottom = m_rect.top + height + 2 * kTipBorder; | |
289 | Rect r ; | |
290 | GetPortBounds( GetWindowPort( m_window ) , &r ) ; | |
291 | if ( m_rect.top < 0 ) | |
292 | { | |
293 | m_rect.bottom += -m_rect.top ; | |
294 | m_rect.top = 0 ; | |
295 | } | |
296 | if ( m_rect.left < 0 ) | |
297 | { | |
298 | m_rect.right += -m_rect.left ; | |
299 | m_rect.left = 0 ; | |
300 | } | |
301 | if ( m_rect.right > r.right ) | |
302 | { | |
303 | m_rect.left -= (m_rect.right - r.right ) ; | |
304 | m_rect.right = r.right ; | |
305 | } | |
306 | if ( m_rect.bottom > r.bottom ) | |
307 | { | |
308 | m_rect.top -= (m_rect.bottom - r.bottom) ; | |
309 | m_rect.bottom = r.bottom ; | |
310 | } | |
311 | ClipRect( &m_rect ) ; | |
312 | BackColor( whiteColor ) ; | |
313 | ForeColor(blackColor ) ; | |
314 | GWorldPtr port ; | |
315 | NewGWorld( &port , wxDisplayDepth() , &m_rect , NULL , NULL , 0 ) ; | |
316 | CGrafPtr origPort ; | |
317 | GDHandle origDevice ; | |
318 | ||
319 | GetGWorld( &origPort , &origDevice ) ; | |
320 | SetGWorld( port , NULL ) ; | |
321 | ||
322 | m_backpict = OpenPicture(&m_rect); | |
323 | ||
324 | CopyBits(GetPortBitMapForCopyBits(GetWindowPort(m_window)), | |
325 | GetPortBitMapForCopyBits(port), | |
326 | &m_rect, | |
327 | &m_rect, | |
328 | srcCopy, | |
329 | NULL); | |
330 | ClosePicture(); | |
331 | SetGWorld( origPort , origDevice ) ; | |
332 | DisposeGWorld( port ) ; | |
333 | PenNormal() ; | |
334 | ||
335 | RGBColor tooltipbackground = { 0xFFFF , 0xFFFF , 0xC000 } ; | |
336 | BackColor( whiteColor ) ; | |
337 | RGBForeColor( &tooltipbackground ) ; | |
338 | ||
339 | PaintRect( &m_rect ) ; | |
340 | ForeColor(blackColor ) ; | |
341 | FrameRect( &m_rect ) ; | |
342 | SetThemeTextColor(kThemeTextColorNotification,wxDisplayDepth(),true) ; | |
343 | ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder); | |
344 | ||
345 | i = 0 ; | |
346 | laststop = 0 ; | |
347 | height = 0 ; | |
348 | ||
349 | while( i < length ) | |
350 | { | |
351 | if( text[i] == 13 || text[i] == 10) | |
352 | { | |
353 | ::DrawText( text , laststop , i - laststop ) ; | |
354 | height += lineh ; | |
355 | ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder + height ); | |
356 | laststop = i+1 ; | |
357 | } | |
358 | i++ ; | |
359 | } | |
360 | ::DrawText( text , laststop , i - laststop ) ; | |
361 | ::TextMode( srcOr ) ; | |
362 | #endif | |
363 | } | |
364 | } | |
365 | ||
366 | void wxToolTip::NotifyWindowDelete( WXHWND win ) | |
367 | { | |
368 | if ( win == s_ToolTipWindowRef ) | |
369 | { | |
370 | s_ToolTipWindowRef = NULL ; | |
371 | } | |
372 | } | |
373 | ||
374 | void wxMacToolTip::Clear() | |
375 | { | |
376 | m_mark++ ; | |
377 | if ( m_timer ) | |
378 | { | |
379 | delete m_timer ; | |
380 | m_timer = NULL ; | |
381 | } | |
382 | if ( !m_shown ) | |
383 | return ; | |
384 | #if TARGET_CARBON | |
385 | HMHideTag() ; | |
386 | m_helpTextRef.Release() ; | |
387 | #else | |
388 | if ( m_window == s_ToolTipWindowRef && m_backpict ) | |
389 | { | |
390 | wxMacPortStateHelper help( (GrafPtr) GetWindowPort(m_window) ) ; | |
391 | ||
392 | m_shown = false ; | |
393 | ||
394 | BackColor( whiteColor ) ; | |
395 | ForeColor(blackColor ) ; | |
396 | DrawPicture(m_backpict, &m_rect); | |
397 | KillPicture(m_backpict); | |
398 | m_backpict = NULL ; | |
399 | } | |
400 | #endif | |
401 | } | |
402 | ||
403 | #endif | |
404 |