Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <comphelper/processfactory.hxx>
21 :
22 : #include <tools/rc.h>
23 : #include <vcl/svapp.hxx>
24 : #include <vcl/event.hxx>
25 : #include <vcl/ctrl.hxx>
26 : #include <vcl/decoview.hxx>
27 : #include <vcl/salnativewidgets.hxx>
28 : #include <vcl/settings.hxx>
29 :
30 : #include <textlayout.hxx>
31 : #include <svdata.hxx>
32 : #include <controldata.hxx>
33 :
34 : using namespace vcl;
35 :
36 123000 : void Control::ImplInitControlData()
37 : {
38 123000 : mbHasControlFocus = false;
39 123000 : mpControlData = new ImplControlData;
40 123000 : }
41 :
42 103172 : Control::Control( WindowType nType ) :
43 103172 : Window( nType )
44 : {
45 103172 : ImplInitControlData();
46 103172 : }
47 :
48 15874 : Control::Control( vcl::Window* pParent, WinBits nStyle ) :
49 15874 : Window( WINDOW_CONTROL )
50 : {
51 15874 : ImplInitControlData();
52 15874 : ImplInit( pParent, nStyle, NULL );
53 15874 : }
54 :
55 3954 : Control::Control( vcl::Window* pParent, const ResId& rResId ) :
56 3954 : Window( WINDOW_CONTROL )
57 : {
58 3954 : ImplInitControlData();
59 3954 : rResId.SetRT( RSC_CONTROL );
60 3954 : WinBits nStyle = ImplInitRes( rResId );
61 3954 : ImplInit( pParent, nStyle, NULL );
62 3954 : ImplLoadRes( rResId );
63 :
64 3954 : if ( !(nStyle & WB_HIDE) )
65 3714 : Show();
66 3954 : }
67 :
68 245796 : Control::~Control()
69 : {
70 122898 : delete mpControlData, mpControlData = NULL;
71 122898 : }
72 :
73 58654 : void Control::EnableRTL( bool bEnable )
74 : {
75 : // convenience: for controls also switch layout mode
76 : SetLayoutMode( bEnable ? TEXT_LAYOUT_BIDI_RTL | TEXT_LAYOUT_TEXTORIGIN_LEFT :
77 58654 : TEXT_LAYOUT_TEXTORIGIN_LEFT );
78 58654 : StateChanged( StateChangedType::MIRRORING );
79 58654 : OutputDevice::EnableRTL(bEnable);
80 58654 : }
81 :
82 168 : void Control::GetFocus()
83 : {
84 168 : Window::GetFocus();
85 168 : }
86 :
87 40 : void Control::LoseFocus()
88 : {
89 40 : Window::LoseFocus();
90 40 : }
91 :
92 200629 : void Control::Resize()
93 : {
94 200629 : ImplClearLayoutData();
95 200629 : Window::Resize();
96 200629 : }
97 :
98 0 : void Control::FillLayoutData() const
99 : {
100 0 : }
101 :
102 0 : void Control::CreateLayoutData() const
103 : {
104 : DBG_ASSERT( !mpControlData->mpLayoutData, "Control::CreateLayoutData: should be called with non-existent layout data only!" );
105 0 : mpControlData->mpLayoutData = new ::vcl::ControlLayoutData();
106 0 : }
107 :
108 1170 : bool Control::HasLayoutData() const
109 : {
110 1170 : return mpControlData->mpLayoutData != NULL;
111 : }
112 :
113 0 : ::vcl::ControlLayoutData* Control::GetLayoutData() const
114 : {
115 0 : return mpControlData->mpLayoutData;
116 : }
117 :
118 5888 : void Control::SetText( const OUString& rStr )
119 : {
120 5888 : ImplClearLayoutData();
121 5888 : Window::SetText( rStr );
122 5888 : }
123 :
124 108 : Rectangle ControlLayoutData::GetCharacterBounds( long nIndex ) const
125 : {
126 108 : return (nIndex >= 0 && nIndex < (long) m_aUnicodeBoundRects.size()) ? m_aUnicodeBoundRects[ nIndex ] : Rectangle();
127 : }
128 :
129 28 : Rectangle Control::GetCharacterBounds( long nIndex ) const
130 : {
131 28 : if( !HasLayoutData() )
132 2 : FillLayoutData();
133 28 : return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->GetCharacterBounds( nIndex ) : Rectangle();
134 : }
135 :
136 112 : long ControlLayoutData::GetIndexForPoint( const Point& rPoint ) const
137 : {
138 112 : long nIndex = -1;
139 1122 : for( long i = m_aUnicodeBoundRects.size()-1; i >= 0; i-- )
140 : {
141 1118 : Point aTopLeft = m_aUnicodeBoundRects[i].TopLeft();
142 1118 : Point aBottomRight = m_aUnicodeBoundRects[i].BottomRight();
143 2452 : if (rPoint.X() >= aTopLeft.X() && rPoint.Y() >= aTopLeft.Y() &&
144 1334 : rPoint.X() <= aBottomRight.X() && rPoint.Y() <= aBottomRight.Y())
145 : {
146 108 : nIndex = i;
147 108 : break;
148 : }
149 : }
150 112 : return nIndex;
151 : }
152 :
153 30 : long Control::GetIndexForPoint( const Point& rPoint ) const
154 : {
155 30 : if( ! HasLayoutData() )
156 0 : FillLayoutData();
157 30 : return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->GetIndexForPoint( rPoint ) : -1;
158 : }
159 :
160 0 : long ControlLayoutData::GetLineCount() const
161 : {
162 0 : long nLines = m_aLineIndices.size();
163 0 : if( nLines == 0 && !m_aDisplayText.isEmpty() )
164 0 : nLines = 1;
165 0 : return nLines;
166 : }
167 :
168 0 : Pair ControlLayoutData::GetLineStartEnd( long nLine ) const
169 : {
170 0 : Pair aPair( -1, -1 );
171 :
172 0 : int nDisplayLines = m_aLineIndices.size();
173 0 : if( nLine >= 0 && nLine < nDisplayLines )
174 : {
175 0 : aPair.A() = m_aLineIndices[nLine];
176 0 : if( nLine+1 < nDisplayLines )
177 0 : aPair.B() = m_aLineIndices[nLine+1]-1;
178 : else
179 0 : aPair.B() = m_aDisplayText.getLength()-1;
180 : }
181 0 : else if( nLine == 0 && nDisplayLines == 0 && !m_aDisplayText.isEmpty() )
182 : {
183 : // special case for single line controls so the implementations
184 : // in that case do not have to fill in the line indices
185 0 : aPair.A() = 0;
186 0 : aPair.B() = m_aDisplayText.getLength()-1;
187 : }
188 0 : return aPair;
189 : }
190 :
191 0 : Pair Control::GetLineStartEnd( long nLine ) const
192 : {
193 0 : if( !HasLayoutData() )
194 0 : FillLayoutData();
195 0 : return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->GetLineStartEnd( nLine ) : Pair( -1, -1 );
196 : }
197 :
198 0 : long ControlLayoutData::ToRelativeLineIndex( long nIndex ) const
199 : {
200 : // is the index sensible at all ?
201 0 : if( nIndex >= 0 && nIndex < m_aDisplayText.getLength() )
202 : {
203 0 : int nDisplayLines = m_aLineIndices.size();
204 : // if only 1 line exists, then absolute and relative index are
205 : // identical -> do nothing
206 0 : if( nDisplayLines > 1 )
207 : {
208 : int nLine;
209 0 : for( nLine = nDisplayLines-1; nLine >= 0; nLine-- )
210 : {
211 0 : if( m_aLineIndices[nLine] <= nIndex )
212 : {
213 0 : nIndex -= m_aLineIndices[nLine];
214 0 : break;
215 : }
216 : }
217 0 : if( nLine < 0 )
218 : {
219 : DBG_ASSERT( nLine >= 0, "ToRelativeLineIndex failed" );
220 0 : nIndex = -1;
221 : }
222 : }
223 : }
224 : else
225 0 : nIndex = -1;
226 :
227 0 : return nIndex;
228 : }
229 :
230 0 : long Control::ToRelativeLineIndex( long nIndex ) const
231 : {
232 0 : if( !HasLayoutData() )
233 0 : FillLayoutData();
234 0 : return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->ToRelativeLineIndex( nIndex ) : -1;
235 : }
236 :
237 0 : OUString Control::GetDisplayText() const
238 : {
239 0 : if( !HasLayoutData() )
240 0 : FillLayoutData();
241 0 : return mpControlData->mpLayoutData ? OUString(mpControlData->mpLayoutData->m_aDisplayText) : GetText();
242 : }
243 :
244 75991 : bool Control::Notify( NotifyEvent& rNEvt )
245 : {
246 75991 : if ( rNEvt.GetType() == EVENT_GETFOCUS )
247 : {
248 180 : if ( !mbHasControlFocus )
249 : {
250 168 : mbHasControlFocus = true;
251 168 : StateChanged( StateChangedType::CONTROL_FOCUS );
252 168 : if ( ImplCallEventListenersAndHandler( VCLEVENT_CONTROL_GETFOCUS, maGetFocusHdl, this ) )
253 : // been destroyed within the handler
254 0 : return true;
255 : }
256 : }
257 : else
258 : {
259 75811 : if ( rNEvt.GetType() == EVENT_LOSEFOCUS )
260 : {
261 54 : vcl::Window* pFocusWin = Application::GetFocusWindow();
262 54 : if ( !pFocusWin || !ImplIsWindowOrChild( pFocusWin ) )
263 : {
264 40 : mbHasControlFocus = false;
265 40 : StateChanged( StateChangedType::CONTROL_FOCUS );
266 40 : if ( ImplCallEventListenersAndHandler( VCLEVENT_CONTROL_LOSEFOCUS, maLoseFocusHdl, this ) )
267 : // been destroyed within the handler
268 0 : return true;
269 : }
270 : }
271 : }
272 :
273 75991 : return Window::Notify( rNEvt );
274 : }
275 :
276 1078732 : void Control::StateChanged( StateChangedType nStateChange )
277 : {
278 1078732 : if( nStateChange == StateChangedType::INITSHOW ||
279 914070 : nStateChange == StateChangedType::VISIBLE ||
280 913985 : nStateChange == StateChangedType::ZOOM ||
281 913985 : nStateChange == StateChangedType::BORDER ||
282 : nStateChange == StateChangedType::CONTROLFONT
283 : )
284 : {
285 170742 : ImplClearLayoutData();
286 : }
287 1078732 : Window::StateChanged( nStateChange );
288 1078732 : }
289 :
290 0 : void Control::AppendLayoutData( const Control& rSubControl ) const
291 : {
292 0 : if( !rSubControl.HasLayoutData() )
293 0 : rSubControl.FillLayoutData();
294 0 : if( !rSubControl.HasLayoutData() || rSubControl.mpControlData->mpLayoutData->m_aDisplayText.isEmpty() )
295 0 : return;
296 :
297 0 : long nCurrentIndex = mpControlData->mpLayoutData->m_aDisplayText.getLength();
298 0 : mpControlData->mpLayoutData->m_aDisplayText += rSubControl.mpControlData->mpLayoutData->m_aDisplayText;
299 0 : int nLines = rSubControl.mpControlData->mpLayoutData->m_aLineIndices.size();
300 : int n;
301 0 : mpControlData->mpLayoutData->m_aLineIndices.push_back( nCurrentIndex );
302 0 : for( n = 1; n < nLines; n++ )
303 0 : mpControlData->mpLayoutData->m_aLineIndices.push_back( rSubControl.mpControlData->mpLayoutData->m_aLineIndices[n] + nCurrentIndex );
304 0 : int nRectangles = rSubControl.mpControlData->mpLayoutData->m_aUnicodeBoundRects.size();
305 0 : Rectangle aRel = const_cast<Control&>(rSubControl).GetWindowExtentsRelative( const_cast<Control*>(this) );
306 0 : for( n = 0; n < nRectangles; n++ )
307 : {
308 0 : Rectangle aRect = rSubControl.mpControlData->mpLayoutData->m_aUnicodeBoundRects[n];
309 0 : aRect.Move( aRel.Left(), aRel.Top() );
310 0 : mpControlData->mpLayoutData->m_aUnicodeBoundRects.push_back( aRect );
311 : }
312 : }
313 :
314 2188 : bool Control::ImplCallEventListenersAndHandler( sal_uLong nEvent, const Link& rHandler, void* pCaller )
315 : {
316 2188 : ImplDelData aCheckDelete;
317 2188 : ImplAddDel( &aCheckDelete );
318 :
319 2188 : ImplCallEventListeners( nEvent );
320 2188 : if ( !aCheckDelete.IsDead() )
321 : {
322 2188 : rHandler.Call( pCaller );
323 :
324 2188 : if ( !aCheckDelete.IsDead() )
325 : {
326 2188 : ImplRemoveDel( &aCheckDelete );
327 2188 : return false;
328 : }
329 : }
330 0 : return true;
331 : }
332 :
333 0 : void Control::SetLayoutDataParent( const Control* pParent ) const
334 : {
335 0 : if( HasLayoutData() )
336 0 : mpControlData->mpLayoutData->m_pParent = pParent;
337 0 : }
338 :
339 1103400 : void Control::ImplClearLayoutData() const
340 : {
341 1103400 : delete mpControlData->mpLayoutData, mpControlData->mpLayoutData = NULL;
342 1103400 : }
343 :
344 0 : void Control::ImplDrawFrame( OutputDevice* pDev, Rectangle& rRect )
345 : {
346 : // use a deco view to draw the frame
347 : // However, since there happens a lot of magic there, we need to fake some (style) settings
348 : // on the device
349 0 : AllSettings aOriginalSettings( pDev->GetSettings() );
350 :
351 0 : AllSettings aNewSettings( aOriginalSettings );
352 0 : StyleSettings aStyle( aNewSettings.GetStyleSettings() );
353 :
354 : // The *only known* clients of the Draw methods of the various VCL-controls are form controls:
355 : // During print preview, and during printing, Draw is called. Thus, drawing always happens with a
356 : // mono (colored) border
357 0 : aStyle.SetOptions( aStyle.GetOptions() | STYLE_OPTION_MONO );
358 0 : aStyle.SetMonoColor( GetSettings().GetStyleSettings().GetMonoColor() );
359 :
360 0 : aNewSettings.SetStyleSettings( aStyle );
361 : // #i67023# do not call data changed listeners for this fake
362 : // since they may understandably invalidate on settings changed
363 0 : pDev->OutputDevice::SetSettings( aNewSettings );
364 :
365 0 : DecorationView aDecoView( pDev );
366 0 : rRect = aDecoView.DrawFrame( rRect, FRAME_DRAW_WINDOWBORDER );
367 :
368 0 : pDev->OutputDevice::SetSettings( aOriginalSettings );
369 0 : }
370 :
371 832 : ControlLayoutData::~ControlLayoutData()
372 : {
373 416 : if( m_pParent )
374 0 : m_pParent->ImplClearLayoutData();
375 416 : }
376 :
377 6 : Size Control::GetOptimalSize() const
378 : {
379 12 : return Size( GetTextWidth( GetText() ) + 2 * 12,
380 18 : GetTextHeight() + 2 * 6 );
381 : }
382 :
383 433 : void Control::SetReferenceDevice( OutputDevice* _referenceDevice )
384 : {
385 433 : if ( mpControlData->mpReferenceDevice == _referenceDevice )
386 501 : return;
387 :
388 365 : mpControlData->mpReferenceDevice = _referenceDevice;
389 365 : Invalidate();
390 : }
391 :
392 0 : OutputDevice* Control::GetReferenceDevice() const
393 : {
394 0 : return mpControlData->mpReferenceDevice;
395 : }
396 :
397 0 : const vcl::Font& Control::GetCanonicalFont( const StyleSettings& _rStyle ) const
398 : {
399 0 : return _rStyle.GetLabelFont();
400 : }
401 :
402 0 : const Color& Control::GetCanonicalTextColor( const StyleSettings& _rStyle ) const
403 : {
404 0 : return _rStyle.GetLabelTextColor();
405 : }
406 :
407 41960 : void Control::ImplInitSettings( const bool _bFont, const bool _bForeground )
408 : {
409 41960 : const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
410 :
411 41960 : if ( _bFont )
412 : {
413 41818 : Font aFont( GetCanonicalFont( rStyleSettings ) );
414 41818 : if ( IsControlFont() )
415 1675 : aFont.Merge( GetControlFont() );
416 41818 : SetZoomedPointFont( aFont );
417 : }
418 :
419 41960 : if ( _bForeground || _bFont )
420 : {
421 41902 : Color aColor;
422 41902 : if ( IsControlForeground() )
423 132 : aColor = GetControlForeground();
424 : else
425 41770 : aColor = GetCanonicalTextColor( rStyleSettings );
426 41902 : SetTextColor( aColor );
427 41902 : SetTextFillColor();
428 : }
429 41960 : }
430 :
431 10726 : void Control::DrawControlText( OutputDevice& _rTargetDevice, Rectangle& _io_rRect, const OUString& _rStr,
432 : sal_uInt16 _nStyle, MetricVector* _pVector, OUString* _pDisplayText ) const
433 : {
434 10726 : if ( !mpControlData->mpReferenceDevice || ( mpControlData->mpReferenceDevice == &_rTargetDevice ) )
435 : {
436 10459 : _io_rRect = _rTargetDevice.GetTextRect( _io_rRect, _rStr, _nStyle );
437 10459 : _rTargetDevice.DrawText( _io_rRect, _rStr, _nStyle, _pVector, _pDisplayText );
438 : }
439 : else
440 : {
441 267 : ControlTextRenderer aRenderer( *this, _rTargetDevice, *mpControlData->mpReferenceDevice );
442 267 : _io_rRect = aRenderer.DrawText( _io_rRect, _rStr, _nStyle, _pVector, _pDisplayText );
443 : }
444 10726 : }
445 :
446 : Font
447 267 : Control::GetUnzoomedControlPointFont() const
448 : {
449 267 : Font aFont( GetCanonicalFont( GetSettings().GetStyleSettings() ) );
450 267 : if ( IsControlFont() )
451 217 : aFont.Merge( GetControlFont() );
452 267 : return aFont;
453 1233 : }
454 :
455 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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