-rw-r--r-- | libqtaux/qsplitter.cpp | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/libqtaux/qsplitter.cpp b/libqtaux/qsplitter.cpp index ab6e01b..39321f8 100644 --- a/libqtaux/qsplitter.cpp +++ b/libqtaux/qsplitter.cpp | |||
@@ -1,428 +1,424 @@ | |||
1 | /**************************************************************************** | 1 | /**************************************************************************** |
2 | ** $Id$ | 2 | ** $Id$ |
3 | ** | 3 | ** |
4 | ** Splitter widget | 4 | ** Splitter widget |
5 | ** | 5 | ** |
6 | ** Created: 980105 | 6 | ** Created: 980105 |
7 | ** | 7 | ** |
8 | ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. | 8 | ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. |
9 | ** | 9 | ** |
10 | ** This file is part of the widgets module of the Qt GUI Toolkit. | 10 | ** This file is part of the widgets module of the Qt GUI Toolkit. |
11 | ** | 11 | ** |
12 | ** This file may be distributed under the terms of the Q Public License | 12 | ** This file may be distributed under the terms of the Q Public License |
13 | ** as defined by Trolltech AS of Norway and appearing in the file | 13 | ** as defined by Trolltech AS of Norway and appearing in the file |
14 | ** LICENSE.QPL included in the packaging of this file. | 14 | ** LICENSE.QPL included in the packaging of this file. |
15 | ** | 15 | ** |
16 | ** This file may be distributed and/or modified under the terms of the | 16 | ** This file may be distributed and/or modified under the terms of the |
17 | ** GNU General Public License version 2 as published by the Free Software | 17 | ** GNU General Public License version 2 as published by the Free Software |
18 | ** Foundation and appearing in the file LICENSE.GPL included in the | 18 | ** Foundation and appearing in the file LICENSE.GPL included in the |
19 | ** packaging of this file. | 19 | ** packaging of this file. |
20 | ** | 20 | ** |
21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition | 21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition |
22 | ** licenses may use this file in accordance with the Qt Commercial License | 22 | ** licenses may use this file in accordance with the Qt Commercial License |
23 | ** Agreement provided with the Software. | 23 | ** Agreement provided with the Software. |
24 | ** | 24 | ** |
25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE | 25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE |
26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | 26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
27 | ** | 27 | ** |
28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for | 28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for |
29 | ** information about Qt Commercial License Agreements. | 29 | ** information about Qt Commercial License Agreements. |
30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information. | 30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information. |
31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information. | 31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information. |
32 | ** | 32 | ** |
33 | ** Contact info@trolltech.com if any conditions of this licensing are | 33 | ** Contact info@trolltech.com if any conditions of this licensing are |
34 | ** not clear to you. | 34 | ** not clear to you. |
35 | ** | 35 | ** |
36 | **********************************************************************/ | 36 | **********************************************************************/ |
37 | #include "qsplitter.h" | 37 | #include "qsplitter.h" |
38 | 38 | ||
39 | #include "qpainter.h" | ||
40 | #include "qdrawutil.h" | 39 | #include "qdrawutil.h" |
41 | #include "qbitmap.h" | ||
42 | #include "qlayoutengine_p.h" | 40 | #include "qlayoutengine_p.h" |
43 | #include "qlist.h" | ||
44 | #include "qarray.h" | ||
45 | #include "qobjectlist.h" | 41 | #include "qobjectlist.h" |
46 | #include "qapplication.h" //sendPostedEvents | 42 | #include "qapplication.h" //sendPostedEvents |
47 | 43 | ||
48 | class QSplitterHandle : public QWidget | 44 | class QSplitterHandle : public QWidget |
49 | { | 45 | { |
50 | public: | 46 | public: |
51 | QSplitterHandle( Qt::Orientation o, | 47 | QSplitterHandle( Qt::Orientation o, |
52 | QSplitter *parent, const char* name=0 ); | 48 | QSplitter *parent, const char* name=0 ); |
53 | void setOrientation( Qt::Orientation o ); | 49 | void setOrientation( Qt::Orientation o ); |
54 | Qt::Orientation orientation() const { return orient; } | 50 | Qt::Orientation orientation() const { return orient; } |
55 | 51 | ||
56 | bool opaque() const { return s->opaqueResize(); } | 52 | bool opaque() const { return s->opaqueResize(); } |
57 | 53 | ||
58 | QSize sizeHint() const; | 54 | QSize sizeHint() const; |
59 | QSizePolicy sizePolicy() const; | 55 | QSizePolicy sizePolicy() const; |
60 | 56 | ||
61 | int id() const { return myId; } // data->list.at(id())->wid == this | 57 | int id() const { return myId; } // data->list.at(id())->wid == this |
62 | void setId( int i ) { myId = i; } | 58 | void setId( int i ) { myId = i; } |
63 | 59 | ||
64 | protected: | 60 | protected: |
65 | void paintEvent( QPaintEvent * ); | 61 | void paintEvent( QPaintEvent * ); |
66 | void mouseMoveEvent( QMouseEvent * ); | 62 | void mouseMoveEvent( QMouseEvent * ); |
67 | void mousePressEvent( QMouseEvent * ); | 63 | void mousePressEvent( QMouseEvent * ); |
68 | void mouseReleaseEvent( QMouseEvent * ); | 64 | void mouseReleaseEvent( QMouseEvent * ); |
69 | 65 | ||
70 | private: | 66 | private: |
71 | Qt::Orientation orient; | 67 | Qt::Orientation orient; |
72 | bool opaq; | 68 | bool opaq; |
73 | int myId; | 69 | int myId; |
74 | 70 | ||
75 | QSplitter *s; | 71 | QSplitter *s; |
76 | }; | 72 | }; |
77 | 73 | ||
78 | static int mouseOffset; | 74 | static int mouseOffset; |
79 | static int opaqueOldPos = -1; //### there's only one mouse, but this is a bit risky | 75 | static int opaqueOldPos = -1; //### there's only one mouse, but this is a bit risky |
80 | 76 | ||
81 | 77 | ||
82 | QSplitterHandle::QSplitterHandle( Qt::Orientation o, | 78 | QSplitterHandle::QSplitterHandle( Qt::Orientation o, |
83 | QSplitter *parent, const char * name ) | 79 | QSplitter *parent, const char * name ) |
84 | : QWidget( parent, name ) | 80 | : QWidget( parent, name ) |
85 | { | 81 | { |
86 | s = parent; | 82 | s = parent; |
87 | setOrientation(o); | 83 | setOrientation(o); |
88 | } | 84 | } |
89 | 85 | ||
90 | QSizePolicy QSplitterHandle::sizePolicy() const | 86 | QSizePolicy QSplitterHandle::sizePolicy() const |
91 | { | 87 | { |
92 | //### removeme 3.0 | 88 | //### removeme 3.0 |
93 | return QWidget::sizePolicy(); | 89 | return QWidget::sizePolicy(); |
94 | } | 90 | } |
95 | 91 | ||
96 | QSize QSplitterHandle::sizeHint() const | 92 | QSize QSplitterHandle::sizeHint() const |
97 | { | 93 | { |
98 | int sw = style().splitterWidth(); | 94 | int sw = style().splitterWidth(); |
99 | return QSize(sw,sw).expandedTo( QApplication::globalStrut() ); | 95 | return QSize(sw,sw).expandedTo( QApplication::globalStrut() ); |
100 | } | 96 | } |
101 | 97 | ||
102 | void QSplitterHandle::setOrientation( Qt::Orientation o ) | 98 | void QSplitterHandle::setOrientation( Qt::Orientation o ) |
103 | { | 99 | { |
104 | orient = o; | 100 | orient = o; |
105 | #ifndef QT_NO_CURSOR | 101 | #ifndef QT_NO_CURSOR |
106 | if ( o == QSplitter::Horizontal ) | 102 | if ( o == QSplitter::Horizontal ) |
107 | setCursor( splitHCursor ); | 103 | setCursor( splitHCursor ); |
108 | else | 104 | else |
109 | setCursor( splitVCursor ); | 105 | setCursor( splitVCursor ); |
110 | #endif | 106 | #endif |
111 | } | 107 | } |
112 | 108 | ||
113 | 109 | ||
114 | void QSplitterHandle::mouseMoveEvent( QMouseEvent *e ) | 110 | void QSplitterHandle::mouseMoveEvent( QMouseEvent *e ) |
115 | { | 111 | { |
116 | if ( !(e->state()&LeftButton) ) | 112 | if ( !(e->state()&LeftButton) ) |
117 | return; | 113 | return; |
118 | QCOORD pos = s->pick(parentWidget()->mapFromGlobal(e->globalPos())) | 114 | QCOORD pos = s->pick(parentWidget()->mapFromGlobal(e->globalPos())) |
119 | - mouseOffset; | 115 | - mouseOffset; |
120 | if ( opaque() ) { | 116 | if ( opaque() ) { |
121 | s->moveSplitter( pos, id() ); | 117 | s->moveSplitter( pos, id() ); |
122 | } else { | 118 | } else { |
123 | int min = pos; int max = pos; | 119 | int min = pos; int max = pos; |
124 | s->getRange( id(), &min, &max ); | 120 | s->getRange( id(), &min, &max ); |
125 | s->setRubberband( QMAX( min, QMIN(max, pos ))); | 121 | s->setRubberband( QMAX( min, QMIN(max, pos ))); |
126 | } | 122 | } |
127 | } | 123 | } |
128 | 124 | ||
129 | void QSplitterHandle::mousePressEvent( QMouseEvent *e ) | 125 | void QSplitterHandle::mousePressEvent( QMouseEvent *e ) |
130 | { | 126 | { |
131 | if ( e->button() == LeftButton ) | 127 | if ( e->button() == LeftButton ) |
132 | mouseOffset = s->pick(e->pos()); | 128 | mouseOffset = s->pick(e->pos()); |
133 | } | 129 | } |
134 | 130 | ||
135 | void QSplitterHandle::mouseReleaseEvent( QMouseEvent *e ) | 131 | void QSplitterHandle::mouseReleaseEvent( QMouseEvent *e ) |
136 | { | 132 | { |
137 | if ( !opaque() && e->button() == LeftButton ) { | 133 | if ( !opaque() && e->button() == LeftButton ) { |
138 | QCOORD pos = s->pick(parentWidget()->mapFromGlobal(e->globalPos())); | 134 | QCOORD pos = s->pick(parentWidget()->mapFromGlobal(e->globalPos())); |
139 | s->setRubberband( -1 ); | 135 | s->setRubberband( -1 ); |
140 | s->moveSplitter( pos, id() ); | 136 | s->moveSplitter( pos, id() ); |
141 | } | 137 | } |
142 | } | 138 | } |
143 | 139 | ||
144 | void QSplitterHandle::paintEvent( QPaintEvent * ) | 140 | void QSplitterHandle::paintEvent( QPaintEvent * ) |
145 | { | 141 | { |
146 | QPainter p( this ); | 142 | QPainter p( this ); |
147 | s->drawSplitter( &p, 0, 0, width(), height() ); | 143 | s->drawSplitter( &p, 0, 0, width(), height() ); |
148 | } | 144 | } |
149 | 145 | ||
150 | 146 | ||
151 | class QSplitterLayoutStruct | 147 | class QSplitterLayoutStruct |
152 | { | 148 | { |
153 | public: | 149 | public: |
154 | QSplitter::ResizeMode mode; | 150 | QSplitter::ResizeMode mode; |
155 | QCOORD sizer; | 151 | QCOORD sizer; |
156 | bool isSplitter; | 152 | bool isSplitter; |
157 | QWidget *wid; | 153 | QWidget *wid; |
158 | }; | 154 | }; |
159 | 155 | ||
160 | class QSplitterData | 156 | class QSplitterData |
161 | { | 157 | { |
162 | public: | 158 | public: |
163 | QSplitterData() : opaque( FALSE ), firstShow( TRUE ) {} | 159 | QSplitterData() : opaque( FALSE ), firstShow( TRUE ) {} |
164 | 160 | ||
165 | QList<QSplitterLayoutStruct> list; | 161 | QList<QSplitterLayoutStruct> list; |
166 | bool opaque; | 162 | bool opaque; |
167 | bool firstShow; | 163 | bool firstShow; |
168 | }; | 164 | }; |
169 | 165 | ||
170 | 166 | ||
171 | // NOT REVISED | 167 | // NOT REVISED |
172 | /*! | 168 | /*! |
173 | \class QSplitter qsplitter.h | 169 | \class QSplitter qsplitter.h |
174 | \brief The QSplitter class implements a splitter widget. | 170 | \brief The QSplitter class implements a splitter widget. |
175 | 171 | ||
176 | \ingroup organizers | 172 | \ingroup organizers |
177 | 173 | ||
178 | A splitter lets the user control the size of child widgets by | 174 | A splitter lets the user control the size of child widgets by |
179 | dragging the boundary between the children. Any number of widgets | 175 | dragging the boundary between the children. Any number of widgets |
180 | may be controlled. | 176 | may be controlled. |
181 | 177 | ||
182 | To show a QListBox, a QListView and a QMultiLineEdit side by side: | 178 | To show a QListBox, a QListView and a QMultiLineEdit side by side: |
183 | 179 | ||
184 | \code | 180 | \code |
185 | QSplitter *split = new QSplitter( parent ); | 181 | QSplitter *split = new QSplitter( parent ); |
186 | QListBox *lb = new QListBox( split ); | 182 | QListBox *lb = new QListBox( split ); |
187 | QListView *lv = new QListView( split ); | 183 | QListView *lv = new QListView( split ); |
188 | QMultiLineEdit *ed = new QMultiLineEdit( split ); | 184 | QMultiLineEdit *ed = new QMultiLineEdit( split ); |
189 | \endcode | 185 | \endcode |
190 | 186 | ||
191 | In QSplitter the boundary can be either horizontal or vertical. The | 187 | In QSplitter the boundary can be either horizontal or vertical. The |
192 | default is horizontal (the children are side by side) and you | 188 | default is horizontal (the children are side by side) and you |
193 | can use setOrientation( QSplitter::Vertical ) to set it to vertical. | 189 | can use setOrientation( QSplitter::Vertical ) to set it to vertical. |
194 | 190 | ||
195 | By default, all widgets can be as large or as small as the user | 191 | By default, all widgets can be as large or as small as the user |
196 | wishes, down to \link QWidget::minimumSizeHint() minimumSizeHint()\endlink. | 192 | wishes, down to \link QWidget::minimumSizeHint() minimumSizeHint()\endlink. |
197 | You can naturally use setMinimumSize() and/or | 193 | You can naturally use setMinimumSize() and/or |
198 | setMaximumSize() on the children. Use setResizeMode() to specify that | 194 | setMaximumSize() on the children. Use setResizeMode() to specify that |
199 | a widget should keep its size when the splitter is resized. | 195 | a widget should keep its size when the splitter is resized. |
200 | 196 | ||
201 | QSplitter normally resizes the children only at the end of a | 197 | QSplitter normally resizes the children only at the end of a |
202 | resize operation, but if you call setOpaqueResize( TRUE ), the | 198 | resize operation, but if you call setOpaqueResize( TRUE ), the |
203 | widgets are resized as often as possible. | 199 | widgets are resized as often as possible. |
204 | 200 | ||
205 | The initial distribution of size between the widgets is determined | 201 | The initial distribution of size between the widgets is determined |
206 | by the initial size of each widget. You can also use setSizes() to | 202 | by the initial size of each widget. You can also use setSizes() to |
207 | set the sizes of all the widgets. The function sizes() returns the | 203 | set the sizes of all the widgets. The function sizes() returns the |
208 | sizes set by the user. | 204 | sizes set by the user. |
209 | 205 | ||
210 | If you hide() a child, its space will be distributed among the other | 206 | If you hide() a child, its space will be distributed among the other |
211 | children. When you show() it again, it will be reinstated. | 207 | children. When you show() it again, it will be reinstated. |
212 | 208 | ||
213 | <img src=qsplitter-m.png> <img src=qsplitter-w.png> | 209 | <img src=qsplitter-m.png> <img src=qsplitter-w.png> |
214 | 210 | ||
215 | \sa QTabBar | 211 | \sa QTabBar |
216 | */ | 212 | */ |
217 | 213 | ||
218 | 214 | ||
219 | 215 | ||
220 | static QSize minSize( const QWidget *w ) | 216 | static QSize minSize( const QWidget *w ) |
221 | { | 217 | { |
222 | QSize min = w->minimumSize(); | 218 | QSize min = w->minimumSize(); |
223 | QSize s; | 219 | QSize s; |
224 | if ( min.height() <= 0 || min.width() <= 0 ) | 220 | if ( min.height() <= 0 || min.width() <= 0 ) |
225 | s = w->minimumSizeHint(); | 221 | s = w->minimumSizeHint(); |
226 | if ( min.height() > 0 ) | 222 | if ( min.height() > 0 ) |
227 | s.setHeight( min.height() ); | 223 | s.setHeight( min.height() ); |
228 | if ( min.width() > 0 ) | 224 | if ( min.width() > 0 ) |
229 | s.setWidth( min.width() ); | 225 | s.setWidth( min.width() ); |
230 | return s.expandedTo(QSize(0,0)); | 226 | return s.expandedTo(QSize(0,0)); |
231 | } | 227 | } |
232 | 228 | ||
233 | /*! | 229 | /*! |
234 | Constructs a horizontal splitter. | 230 | Constructs a horizontal splitter. |
235 | */ | 231 | */ |
236 | 232 | ||
237 | QSplitter::QSplitter( QWidget *parent, const char *name ) | 233 | QSplitter::QSplitter( QWidget *parent, const char *name ) |
238 | :QFrame(parent,name,WPaintUnclipped) | 234 | :QFrame(parent,name,WPaintUnclipped) |
239 | { | 235 | { |
240 | orient = Horizontal; | 236 | orient = Horizontal; |
241 | init(); | 237 | init(); |
242 | } | 238 | } |
243 | 239 | ||
244 | 240 | ||
245 | /*! | 241 | /*! |
246 | Constructs splitter with orientation \a o. | 242 | Constructs splitter with orientation \a o. |
247 | */ | 243 | */ |
248 | 244 | ||
249 | QSplitter::QSplitter( Orientation o, QWidget *parent, const char *name ) | 245 | QSplitter::QSplitter( Orientation o, QWidget *parent, const char *name ) |
250 | :QFrame(parent,name,WPaintUnclipped) | 246 | :QFrame(parent,name,WPaintUnclipped) |
251 | { | 247 | { |
252 | orient = o; | 248 | orient = o; |
253 | init(); | 249 | init(); |
254 | } | 250 | } |
255 | 251 | ||
256 | 252 | ||
257 | /*! | 253 | /*! |
258 | Destructs the splitter. | 254 | Destructs the splitter. |
259 | */ | 255 | */ |
260 | 256 | ||
261 | QSplitter::~QSplitter() | 257 | QSplitter::~QSplitter() |
262 | { | 258 | { |
263 | data->list.setAutoDelete( TRUE ); | 259 | data->list.setAutoDelete( TRUE ); |
264 | delete data; | 260 | delete data; |
265 | } | 261 | } |
266 | 262 | ||
267 | 263 | ||
268 | void QSplitter::init() | 264 | void QSplitter::init() |
269 | { | 265 | { |
270 | data = new QSplitterData; | 266 | data = new QSplitterData; |
271 | if ( orient == Horizontal ) | 267 | if ( orient == Horizontal ) |
272 | setSizePolicy( QSizePolicy(QSizePolicy::Fixed,QSizePolicy::Minimum) ); | 268 | setSizePolicy( QSizePolicy(QSizePolicy::Fixed,QSizePolicy::Minimum) ); |
273 | else | 269 | else |
274 | setSizePolicy( QSizePolicy(QSizePolicy::Minimum,QSizePolicy::Fixed) ); | 270 | setSizePolicy( QSizePolicy(QSizePolicy::Minimum,QSizePolicy::Fixed) ); |
275 | } | 271 | } |
276 | 272 | ||
277 | 273 | ||
278 | /*! | 274 | /*! |
279 | \fn void QSplitter::refresh() | 275 | \fn void QSplitter::refresh() |
280 | 276 | ||
281 | Updates the splitter state. You should not need to call this | 277 | Updates the splitter state. You should not need to call this |
282 | function during normal use of the splitter. | 278 | function during normal use of the splitter. |
283 | */ | 279 | */ |
284 | 280 | ||
285 | 281 | ||
286 | /*! Sets the orientation to \a o. By default the orientation is | 282 | /*! Sets the orientation to \a o. By default the orientation is |
287 | horizontal (the widgets are side by side). | 283 | horizontal (the widgets are side by side). |
288 | 284 | ||
289 | \sa orientation() | 285 | \sa orientation() |
290 | */ | 286 | */ |
291 | 287 | ||
292 | void QSplitter::setOrientation( Orientation o ) | 288 | void QSplitter::setOrientation( Orientation o ) |
293 | { | 289 | { |
294 | if ( orient == o ) | 290 | if ( orient == o ) |
295 | return; | 291 | return; |
296 | orient = o; | 292 | orient = o; |
297 | 293 | ||
298 | if ( orient == Horizontal ) | 294 | if ( orient == Horizontal ) |
299 | setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Minimum ) ); | 295 | setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Minimum ) ); |
300 | else | 296 | else |
301 | setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Fixed ) ); | 297 | setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Fixed ) ); |
302 | 298 | ||
303 | QSplitterLayoutStruct *s = data->list.first(); | 299 | QSplitterLayoutStruct *s = data->list.first(); |
304 | while ( s ) { | 300 | while ( s ) { |
305 | if ( s->isSplitter ) | 301 | if ( s->isSplitter ) |
306 | ((QSplitterHandle*)s->wid)->setOrientation( o ); | 302 | ((QSplitterHandle*)s->wid)->setOrientation( o ); |
307 | s = data->list.next(); // ### next at end of loop, no iterator | 303 | s = data->list.next(); // ### next at end of loop, no iterator |
308 | } | 304 | } |
309 | recalc( isVisible() ); | 305 | recalc( isVisible() ); |
310 | } | 306 | } |
311 | 307 | ||
312 | 308 | ||
313 | /*! | 309 | /*! |
314 | \fn Orientation QSplitter::orientation() const | 310 | \fn Orientation QSplitter::orientation() const |
315 | 311 | ||
316 | Returns the orientation (\c Horizontal or \c Vertical) of the splitter. | 312 | Returns the orientation (\c Horizontal or \c Vertical) of the splitter. |
317 | \sa setOrientation() | 313 | \sa setOrientation() |
318 | */ | 314 | */ |
319 | 315 | ||
320 | /*! | 316 | /*! |
321 | \reimp | 317 | \reimp |
322 | */ | 318 | */ |
323 | void QSplitter::resizeEvent( QResizeEvent * ) | 319 | void QSplitter::resizeEvent( QResizeEvent * ) |
324 | { | 320 | { |
325 | doResize(); | 321 | doResize(); |
326 | } | 322 | } |
327 | 323 | ||
328 | 324 | ||
329 | /*! | 325 | /*! |
330 | Inserts the widget \a w at the end, or at the beginning if \a first is TRUE | 326 | Inserts the widget \a w at the end, or at the beginning if \a first is TRUE |
331 | 327 | ||
332 | It is the responsibility of the caller of this function to make sure | 328 | It is the responsibility of the caller of this function to make sure |
333 | that \a w is not already in the splitter, and to call recalcId if | 329 | that \a w is not already in the splitter, and to call recalcId if |
334 | needed. (If \a first is TRUE, then recalcId is very probably | 330 | needed. (If \a first is TRUE, then recalcId is very probably |
335 | needed.) | 331 | needed.) |
336 | */ | 332 | */ |
337 | 333 | ||
338 | QSplitterLayoutStruct *QSplitter::addWidget( QWidget *w, bool first ) | 334 | QSplitterLayoutStruct *QSplitter::addWidget( QWidget *w, bool first ) |
339 | { | 335 | { |
340 | QSplitterLayoutStruct *s; | 336 | QSplitterLayoutStruct *s; |
341 | QSplitterHandle *newHandle = 0; | 337 | QSplitterHandle *newHandle = 0; |
342 | if ( data->list.count() > 0 ) { | 338 | if ( data->list.count() > 0 ) { |
343 | s = new QSplitterLayoutStruct; | 339 | s = new QSplitterLayoutStruct; |
344 | s->mode = KeepSize; | 340 | s->mode = KeepSize; |
345 | newHandle = new QSplitterHandle( orientation(), this ); | 341 | newHandle = new QSplitterHandle( orientation(), this ); |
346 | s->wid = newHandle; | 342 | s->wid = newHandle; |
347 | newHandle->setId(data->list.count()); | 343 | newHandle->setId(data->list.count()); |
348 | s->isSplitter = TRUE; | 344 | s->isSplitter = TRUE; |
349 | s->sizer = pick( newHandle->sizeHint() ); | 345 | s->sizer = pick( newHandle->sizeHint() ); |
350 | if ( first ) | 346 | if ( first ) |
351 | data->list.insert( 0, s ); | 347 | data->list.insert( 0, s ); |
352 | else | 348 | else |
353 | data->list.append( s ); | 349 | data->list.append( s ); |
354 | } | 350 | } |
355 | s = new QSplitterLayoutStruct; | 351 | s = new QSplitterLayoutStruct; |
356 | s->mode = Stretch; | 352 | s->mode = Stretch; |
357 | s->wid = w; | 353 | s->wid = w; |
358 | if ( !testWState( WState_Resized ) && w->sizeHint().isValid() ) | 354 | if ( !testWState( WState_Resized ) && w->sizeHint().isValid() ) |
359 | s->sizer = pick( w->sizeHint() ); | 355 | s->sizer = pick( w->sizeHint() ); |
360 | else | 356 | else |
361 | s->sizer = pick( w->size() ); | 357 | s->sizer = pick( w->size() ); |
362 | s->isSplitter = FALSE; | 358 | s->isSplitter = FALSE; |
363 | if ( first ) | 359 | if ( first ) |
364 | data->list.insert( 0, s ); | 360 | data->list.insert( 0, s ); |
365 | else | 361 | else |
366 | data->list.append( s ); | 362 | data->list.append( s ); |
367 | if ( newHandle && isVisible() ) | 363 | if ( newHandle && isVisible() ) |
368 | newHandle->show(); //will trigger sending of post events | 364 | newHandle->show(); //will trigger sending of post events |
369 | return s; | 365 | return s; |
370 | } | 366 | } |
371 | 367 | ||
372 | 368 | ||
373 | /*! | 369 | /*! |
374 | Tells the splitter that a child widget has been inserted/removed. | 370 | Tells the splitter that a child widget has been inserted/removed. |
375 | */ | 371 | */ |
376 | 372 | ||
377 | void QSplitter::childEvent( QChildEvent *c ) | 373 | void QSplitter::childEvent( QChildEvent *c ) |
378 | { | 374 | { |
379 | if ( c->type() == QEvent::ChildInserted ) { | 375 | if ( c->type() == QEvent::ChildInserted ) { |
380 | if ( !c->child()->isWidgetType() ) | 376 | if ( !c->child()->isWidgetType() ) |
381 | return; | 377 | return; |
382 | 378 | ||
383 | if ( ((QWidget*)c->child())->testWFlags( WType_TopLevel ) ) | 379 | if ( ((QWidget*)c->child())->testWFlags( WType_TopLevel ) ) |
384 | return; | 380 | return; |
385 | 381 | ||
386 | QSplitterLayoutStruct *s = data->list.first(); | 382 | QSplitterLayoutStruct *s = data->list.first(); |
387 | while ( s ) { | 383 | while ( s ) { |
388 | if ( s->wid == c->child() ) | 384 | if ( s->wid == c->child() ) |
389 | return; | 385 | return; |
390 | s = data->list.next(); | 386 | s = data->list.next(); |
391 | } | 387 | } |
392 | addWidget( (QWidget*)c->child() ); | 388 | addWidget( (QWidget*)c->child() ); |
393 | recalc( isVisible() ); | 389 | recalc( isVisible() ); |
394 | 390 | ||
395 | } else if ( c->type() == QEvent::ChildRemoved ) { | 391 | } else if ( c->type() == QEvent::ChildRemoved ) { |
396 | QSplitterLayoutStruct *p = 0; | 392 | QSplitterLayoutStruct *p = 0; |
397 | if ( data->list.count() > 1 ) | 393 | if ( data->list.count() > 1 ) |
398 | p = data->list.at(1); //remove handle _after_ first widget. | 394 | p = data->list.at(1); //remove handle _after_ first widget. |
399 | QSplitterLayoutStruct *s = data->list.first(); | 395 | QSplitterLayoutStruct *s = data->list.first(); |
400 | while ( s ) { | 396 | while ( s ) { |
401 | if ( s->wid == c->child() ) { | 397 | if ( s->wid == c->child() ) { |
402 | data->list.removeRef( s ); | 398 | data->list.removeRef( s ); |
403 | delete s; | 399 | delete s; |
404 | if ( p && p->isSplitter ) { | 400 | if ( p && p->isSplitter ) { |
405 | data->list.removeRef( p ); | 401 | data->list.removeRef( p ); |
406 | delete p->wid; //will call childEvent | 402 | delete p->wid; //will call childEvent |
407 | delete p; | 403 | delete p; |
408 | } | 404 | } |
409 | recalcId(); | 405 | recalcId(); |
410 | doResize(); | 406 | doResize(); |
411 | return; | 407 | return; |
412 | } | 408 | } |
413 | p = s; | 409 | p = s; |
414 | s = data->list.next(); | 410 | s = data->list.next(); |
415 | } | 411 | } |
416 | } | 412 | } |
417 | } | 413 | } |
418 | 414 | ||
419 | 415 | ||
420 | /*! | 416 | /*! |
421 | Shows a rubber band at position \a p. If \a p is negative, the | 417 | Shows a rubber band at position \a p. If \a p is negative, the |
422 | rubber band is removed. | 418 | rubber band is removed. |
423 | */ | 419 | */ |
424 | 420 | ||
425 | void QSplitter::setRubberband( int p ) | 421 | void QSplitter::setRubberband( int p ) |
426 | { | 422 | { |
427 | QPainter paint( this ); | 423 | QPainter paint( this ); |
428 | paint.setPen( gray ); | 424 | paint.setPen( gray ); |