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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
30class wxMacToolTipTimer ;
31
32class 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
55class wxMacToolTipTimer : public wxTimer
56{
57public:
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 }
66protected:
67 wxMacToolTip* m_tip;
68 long m_mark ;
69};
70
71//-----------------------------------------------------------------------------
72// wxToolTip
73//-----------------------------------------------------------------------------
74static long s_ToolTipDelay = 500 ;
75static bool s_ShowToolTips = true ;
76static wxMacToolTip s_ToolTip ;
77static wxWindow* s_LastWindowEntered = NULL ;
78static wxRect2DInt s_ToolTipArea ;
79static WindowRef s_ToolTipWindowRef = NULL ;
80
81IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject)
82
83wxToolTip::wxToolTip( const wxString &tip )
84{
85 m_text = tip;
86 m_window = (wxWindow*) NULL;
87}
88
89wxToolTip::~wxToolTip()
90{
91}
92
93void 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
109void wxToolTip::SetWindow( wxWindow *win )
110{
111 m_window = win ;
112}
113
114void 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
129void wxToolTip::SetDelay( long msecs )
130{
131 s_ToolTipDelay = msecs ;
132}
133
134void 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
166void wxToolTip::RemoveToolTips()
167{
168 s_ToolTip.Clear() ;
169}
170// --- mac specific
171
172wxMacToolTipTimer::wxMacToolTipTimer( wxMacToolTip *tip , int msec )
173{
174 m_tip = tip;
175 m_mark = tip->GetMark() ;
176 Start(msec, true);
177}
178
179wxMacToolTip::wxMacToolTip()
180{
181 m_window = NULL ;
182 m_backpict = NULL ;
183 m_mark = 0 ;
184 m_shown = false ;
185 m_timer = NULL ;
186}
187
188void wxMacToolTip::Setup( WindowRef win , wxString text , wxPoint localPosition )
189{
190 m_mark++ ;
191 Clear() ;
192 m_position = localPosition ;
193 m_label = wxMacMakeMacStringFromPC( text ) ;
194 m_window =win;
195 s_ToolTipWindowRef = m_window ;
196 m_backpict = NULL ;
197 if ( m_timer )
198 delete m_timer ;
199 m_timer = new wxMacToolTipTimer( this , s_ToolTipDelay ) ;
200}
201
202wxMacToolTip::~wxMacToolTip()
203{
204 if ( m_timer ) {
205 delete m_timer ;
206 m_timer = NULL;
207 }
208 if ( m_backpict )
209 Clear() ;
210}
211
212const short kTipBorder = 2 ;
213const short kTipOffset = 5 ;
214
215void wxMacToolTip::Draw()
216{
217 if ( m_label.Length() == 0 )
218 return ;
219
220 if ( m_window == s_ToolTipWindowRef )
221 {
222#if TARGET_CARBON
223/*
224 if ( HMDisplayTag != (void*) kUnresolvedCFragSymbolAddress )
225 {
226 HMDisplayTag(
227 }
228 else
229*/
230#endif
231 {
232 wxMacPortStateHelper help( (GrafPtr) GetWindowPort( m_window ) );
233#if TARGET_CARBON
234 bool useDrawThemeText = ( DrawThemeTextBox != (void*) kUnresolvedCFragSymbolAddress ) ;
235#endif
236 m_shown = true ;
237
238 FontFamilyID fontId ;
239 Str255 fontName ;
240 SInt16 fontSize ;
241 Style fontStyle ;
242 GetThemeFont(kThemeSmallSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
243 GetFNum( fontName, &fontId );
244
245 TextFont( fontId ) ;
246 TextSize( fontSize ) ;
247 TextFace( fontStyle ) ;
248 FontInfo fontInfo;
249 ::GetFontInfo(&fontInfo);
250 short lineh = fontInfo.ascent + fontInfo.descent + fontInfo.leading;
251 short height = 0 ;
252 // short width = TextWidth( m_label , 0 ,m_label.Length() ) ;
253
254 int i = 0 ;
255 int length = m_label.Length() ;
256 int width = 0 ;
257 int thiswidth = 0 ;
258 int laststop = 0 ;
259 const char *text = m_label ;
260 while( i < length )
261 {
262 if( text[i] == 13 || text[i] == 10)
263 {
264 thiswidth = ::TextWidth( text , laststop , i - laststop ) ;
265 if ( thiswidth > width )
266 width = thiswidth ;
267
268 height += lineh ;
269 laststop = i+1 ;
270 }
271 i++ ;
272 }
273 if ( i - laststop > 0 )
274 {
275 thiswidth = ::TextWidth( text , laststop , i - laststop ) ;
276 if ( thiswidth > width )
277 width = thiswidth ;
278 height += lineh ;
279 }
280
281
282 m_rect.left = m_position.x + kTipOffset;
283 m_rect.top = m_position.y + kTipOffset;
284 m_rect.right = m_rect.left + width + 2 * kTipBorder;
285#if TARGET_CARBON
286 if ( useDrawThemeText )
287 m_rect.right += kTipBorder ;
288#endif
289 m_rect.bottom = m_rect.top + height + 2 * kTipBorder;
290 ClipRect( &m_rect ) ;
291 BackColor( whiteColor ) ;
292 ForeColor(blackColor ) ;
293 GWorldPtr port ;
294 NewGWorld( &port , wxDisplayDepth() , &m_rect , NULL , NULL , 0 ) ;
295 CGrafPtr origPort ;
296 GDHandle origDevice ;
297
298 GetGWorld( &origPort , &origDevice ) ;
299 SetGWorld( port , NULL ) ;
300
301 m_backpict = OpenPicture(&m_rect);
302
303 CopyBits(GetPortBitMapForCopyBits(GetWindowPort(m_window)),
304 GetPortBitMapForCopyBits(port),
305 &m_rect,
306 &m_rect,
307 srcCopy,
308 NULL);
309 ClosePicture();
310 SetGWorld( origPort , origDevice ) ;
311 DisposeGWorld( port ) ;
312 PenNormal() ;
313
314 RGBColor tooltipbackground = { 0xFFFF , 0xFFFF , 0xC000 } ;
315 BackColor( whiteColor ) ;
316 RGBForeColor( &tooltipbackground ) ;
317
318 PaintRect( &m_rect ) ;
319 ForeColor(blackColor ) ;
320 FrameRect( &m_rect ) ;
321 SetThemeTextColor(kThemeTextColorNotification,wxDisplayDepth(),true) ;
322 ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder);
323
324 i = 0 ;
325 laststop = 0 ;
326 height = 0 ;
327
328 while( i < length )
329 {
330 if( text[i] == 13 || text[i] == 10)
331 {
332#if TARGET_CARBON
333 if ( useDrawThemeText )
334 {
335 Rect frame ;
336 frame.top = m_rect.top + kTipBorder + height ;
337 frame.left = m_rect.left + kTipBorder ;
338 frame.bottom = frame.top + 1000 ;
339 frame.right = frame.left + 1000 ;
340 CFStringRef mString = CFStringCreateWithBytes( NULL , (UInt8*) text + laststop , i - laststop , CFStringGetSystemEncoding(), false ) ;
341 ::DrawThemeTextBox( mString,
342 kThemeCurrentPortFont,
343 kThemeStateActive,
344 true,
345 &frame,
346 teJustLeft,
347 nil );
348 CFRelease( mString ) ;
349 height += lineh ;
350 }
351 else
352#endif
353 {
354 ::DrawText( text , laststop , i - laststop ) ;
355 height += lineh ;
356 ::MoveTo( m_rect.left + kTipBorder , m_rect.top + fontInfo.ascent + kTipBorder + height );
357 }
358 laststop = i+1 ;
359 }
360 i++ ;
361 }
362#if TARGET_CARBON
363 if ( useDrawThemeText )
364 {
365 Rect frame ;
366 frame.top = m_rect.top + kTipBorder + height ;
367 frame.left = m_rect.left + kTipBorder ;
368 frame.bottom = frame.top + 1000 ;
369 frame.right = frame.left + 1000 ;
370 CFStringRef mString = CFStringCreateWithCString( NULL , text + laststop , kCFStringEncodingMacRoman ) ;
371 ::DrawThemeTextBox( mString,
372 kThemeCurrentPortFont,
373 kThemeStateActive,
374 true,
375 &frame,
376 teJustLeft,
377 nil );
378 CFRelease( mString ) ;
379 }
380 else
381#endif
382 {
383 ::DrawText( text , laststop , i - laststop ) ;
384 }
385 ::TextMode( srcOr ) ;
386 }
387 }
388}
389
390void wxToolTip::NotifyWindowDelete( WXHWND win )
391{
392 if ( win == s_ToolTipWindowRef )
393 {
394 s_ToolTipWindowRef = NULL ;
395 }
396}
397
398void wxMacToolTip::Clear()
399{
400 m_mark++ ;
401 if ( m_timer )
402 {
403 delete m_timer ;
404 m_timer = NULL ;
405 }
406 if ( !m_shown )
407 return ;
408
409 if ( m_window == s_ToolTipWindowRef && m_backpict )
410 {
411 wxMacPortStateHelper help( (GrafPtr) GetWindowPort(m_window) ) ;
412
413 m_shown = false ;
414
415 BackColor( whiteColor ) ;
416 ForeColor(blackColor ) ;
417 DrawPicture(m_backpict, &m_rect);
418 KillPicture(m_backpict);
419 m_backpict = NULL ;
420 }
421}
422
423#endif
424