source: trunk/src/qt3support/itemviews/q3listbox.h@ 353

Last change on this file since 353 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 13.6 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the Qt3Support module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef Q3LISTBOX_H
43#define Q3LISTBOX_H
44
45#include <Qt3Support/q3scrollview.h>
46#include <QtGui/qpixmap.h>
47
48QT_BEGIN_HEADER
49
50QT_BEGIN_NAMESPACE
51
52QT_MODULE(Qt3SupportLight)
53
54#ifndef QT_NO_LISTBOX
55
56class Q3ListBoxPrivate;
57class Q3ListBoxItem;
58class QString;
59class QStringList;
60
61class Q_COMPAT_EXPORT Q3ListBox : public Q3ScrollView
62{
63 friend class Q3ListBoxItem;
64 friend class Q3ListBoxPrivate;
65
66 Q_OBJECT
67 Q_ENUMS(SelectionMode LayoutMode)
68 Q_PROPERTY(uint count READ count)
69 Q_PROPERTY(int numItemsVisible READ numItemsVisible)
70 Q_PROPERTY(int currentItem READ currentItem WRITE setCurrentItem USER true)
71 Q_PROPERTY(QString currentText READ currentText)
72 Q_PROPERTY(int topItem READ topItem WRITE setTopItem DESIGNABLE false)
73 Q_PROPERTY(SelectionMode selectionMode READ selectionMode WRITE setSelectionMode)
74 Q_PROPERTY(bool multiSelection READ isMultiSelection WRITE setMultiSelection DESIGNABLE false)
75 Q_PROPERTY(LayoutMode columnMode READ columnMode WRITE setColumnMode)
76 Q_PROPERTY(LayoutMode rowMode READ rowMode WRITE setRowMode)
77 Q_PROPERTY(int numColumns READ numColumns)
78 Q_PROPERTY(int numRows READ numRows)
79 Q_PROPERTY(bool variableWidth READ variableWidth WRITE setVariableWidth)
80 Q_PROPERTY(bool variableHeight READ variableHeight WRITE setVariableHeight)
81
82public:
83 Q3ListBox(QWidget* parent=0, const char* name=0, Qt::WindowFlags f=0 );
84 ~Q3ListBox();
85
86 uint count() const;
87
88 void insertStringList(const QStringList&, int index=-1);
89// ### fix before Qt 4.0
90#if 0
91 void insertStrList(const QStrList *, int index=-1);
92 void insertStrList(const QStrList &, int index=-1);
93#endif
94 void insertStrList(const char **,
95 int numStrings=-1, int index=-1);
96
97 void insertItem(const Q3ListBoxItem *, int index=-1);
98 void insertItem(const Q3ListBoxItem *, const Q3ListBoxItem *after);
99 void insertItem(const QString &text, int index=-1);
100 void insertItem(const QPixmap &pixmap, int index=-1);
101 void insertItem(const QPixmap &pixmap, const QString &text, int index=-1);
102
103 void removeItem(int index);
104
105 QString text(int index) const;
106 const QPixmap *pixmap(int index) const;
107
108 void changeItem(const Q3ListBoxItem *, int index);
109 void changeItem(const QString &text, int index);
110 void changeItem(const QPixmap &pixmap, int index);
111 void changeItem(const QPixmap &pixmap, const QString &text, int index);
112
113 void takeItem(const Q3ListBoxItem *);
114
115 int numItemsVisible() const;
116
117 int currentItem() const;
118 QString currentText() const { return text(currentItem()); }
119 virtual void setCurrentItem(int index);
120 virtual void setCurrentItem(Q3ListBoxItem *);
121 void centerCurrentItem() { ensureCurrentVisible(); }
122 int topItem() const;
123 virtual void setTopItem(int index);
124 virtual void setBottomItem(int index);
125
126 long maxItemWidth() const;
127
128 enum SelectionMode { Single, Multi, Extended, NoSelection };
129 virtual void setSelectionMode(SelectionMode);
130 SelectionMode selectionMode() const;
131
132 void setMultiSelection(bool multi);
133 bool isMultiSelection() const;
134
135 QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
136
137 virtual void setSelected(Q3ListBoxItem *, bool);
138 void setSelected(int, bool);
139 bool isSelected(int) const;
140 bool isSelected(const Q3ListBoxItem *) const;
141 Q3ListBoxItem* selectedItem() const;
142
143 QSize sizeHint() const;
144 QSize minimumSizeHint() const;
145
146 Q3ListBoxItem *item(int index) const;
147 int index(const Q3ListBoxItem *) const;
148
149 enum StringComparisonMode {
150 CaseSensitive = 0x00001, // 0 0001
151 BeginsWith = 0x00002, // 0 0010
152 EndsWith = 0x00004, // 0 0100
153 Contains = 0x00008, // 0 1000
154 ExactMatch = 0x00010 // 1 0000
155 };
156 typedef uint ComparisonFlags;
157 Q3ListBoxItem *findItem(const QString &text, ComparisonFlags compare = BeginsWith) const;
158
159 void triggerUpdate(bool doLayout);
160
161 bool itemVisible(int index);
162 bool itemVisible(const Q3ListBoxItem *);
163
164 enum LayoutMode { FixedNumber,
165 FitToWidth, FitToHeight = FitToWidth,
166 Variable };
167 virtual void setColumnMode(LayoutMode);
168 virtual void setColumnMode(int);
169 virtual void setRowMode(LayoutMode);
170 virtual void setRowMode(int);
171
172 LayoutMode columnMode() const;
173 LayoutMode rowMode() const;
174
175 int numColumns() const;
176 int numRows() const;
177
178 bool variableWidth() const;
179 virtual void setVariableWidth(bool);
180
181 bool variableHeight() const;
182 virtual void setVariableHeight(bool);
183
184 void viewportPaintEvent(QPaintEvent *);
185
186 bool dragSelect() const { return true; }
187 void setDragSelect(bool) {}
188 bool autoScroll() const { return true; }
189 void setAutoScroll(bool) {}
190 bool autoScrollBar() const { return vScrollBarMode() == Auto; }
191 void setAutoScrollBar(bool enable) { setVScrollBarMode(enable ? Auto : AlwaysOff); }
192 bool scrollBar() const { return vScrollBarMode() != AlwaysOff; }
193 void setScrollBar(bool enable) { setVScrollBarMode(enable ? AlwaysOn : AlwaysOff); }
194 bool autoBottomScrollBar() const { return hScrollBarMode() == Auto; }
195 void setAutoBottomScrollBar(bool enable) { setHScrollBarMode(enable ? Auto : AlwaysOff); }
196 bool bottomScrollBar() const { return hScrollBarMode() != AlwaysOff; }
197 void setBottomScrollBar(bool enable) { setHScrollBarMode(enable ? AlwaysOn : AlwaysOff); }
198 bool smoothScrolling() const { return false; }
199 void setSmoothScrolling(bool) {}
200 bool autoUpdate() const { return true; }
201 void setAutoUpdate(bool) {}
202 void setFixedVisibleLines(int lines) { setRowMode(lines); }
203 int inSort(const Q3ListBoxItem *);
204 int inSort(const QString& text);
205 int cellHeight(int i) const { return itemHeight(i); }
206 int cellHeight() const { return itemHeight(); }
207 int cellWidth() const { return maxItemWidth(); }
208 int cellWidth(int i) const { Q_ASSERT(i==0); Q_UNUSED(i) return maxItemWidth(); }
209 int numCols() const { return numColumns(); }
210
211 int itemHeight(int index = 0) const;
212 Q3ListBoxItem * itemAt(const QPoint &) const;
213
214 QRect itemRect(Q3ListBoxItem *item) const;
215
216 Q3ListBoxItem *firstItem() const;
217
218 void sort(bool ascending = true);
219
220public Q_SLOTS:
221 void clear();
222 virtual void ensureCurrentVisible();
223 virtual void clearSelection();
224 virtual void selectAll(bool select);
225 virtual void invertSelection();
226
227Q_SIGNALS:
228 void highlighted(int index);
229 void selected(int index);
230 void highlighted(const QString &);
231 void selected(const QString &);
232 void highlighted(Q3ListBoxItem *);
233 void selected(Q3ListBoxItem *);
234
235 void selectionChanged();
236 void selectionChanged(Q3ListBoxItem *);
237 void currentChanged(Q3ListBoxItem *);
238 void clicked(Q3ListBoxItem *);
239 void clicked(Q3ListBoxItem *, const QPoint &);
240 void pressed(Q3ListBoxItem *);
241 void pressed(Q3ListBoxItem *, const QPoint &);
242
243 void doubleClicked(Q3ListBoxItem *);
244 void returnPressed(Q3ListBoxItem *);
245 void rightButtonClicked(Q3ListBoxItem *, const QPoint &);
246 void rightButtonPressed(Q3ListBoxItem *, const QPoint &);
247 void mouseButtonPressed(int, Q3ListBoxItem*, const QPoint&);
248 void mouseButtonClicked(int, Q3ListBoxItem*, const QPoint&);
249
250 void contextMenuRequested(Q3ListBoxItem *, const QPoint &);
251
252 void onItem(Q3ListBoxItem *item);
253 void onViewport();
254
255protected:
256 void changeEvent(QEvent *);
257 void mousePressEvent(QMouseEvent *);
258 void mouseReleaseEvent(QMouseEvent *);
259 void mouseDoubleClickEvent(QMouseEvent *);
260 void mouseMoveEvent(QMouseEvent *);
261 void contentsContextMenuEvent(QContextMenuEvent *);
262
263 void keyPressEvent(QKeyEvent *e);
264 void focusInEvent(QFocusEvent *e);
265 void focusOutEvent(QFocusEvent *e);
266 void resizeEvent(QResizeEvent *);
267 void showEvent(QShowEvent *);
268
269 bool eventFilter(QObject *o, QEvent *e);
270
271 void updateItem(int index);
272 void updateItem(Q3ListBoxItem *);
273
274 void updateCellWidth() { }
275 int totalWidth() const { return contentsWidth(); }
276 int totalHeight() const { return contentsHeight(); }
277
278 virtual void paintCell(QPainter *, int row, int col);
279
280 void toggleCurrentItem();
281 bool isRubberSelecting() const;
282
283 void doLayout() const;
284
285 int findItem(int yPos) const { return index(itemAt(QPoint(0,yPos))); }
286
287protected Q_SLOTS:
288 void clearInputString();
289
290private Q_SLOTS:
291 void refreshSlot();
292 void doAutoScroll();
293 void adjustItems();
294
295private:
296 Q_DISABLE_COPY(Q3ListBox)
297
298 void mousePressEventEx(QMouseEvent *);
299 void tryGeometry(int, int) const;
300 int currentRow() const;
301 int currentColumn() const;
302 void updateSelection();
303 void repaintSelection();
304 void drawRubber();
305 void doRubberSelection(const QRect &old, const QRect &rubber);
306 void handleItemChange(Q3ListBoxItem *old, bool shift, bool control);
307 void selectRange(Q3ListBoxItem *from, Q3ListBoxItem *to, bool invert, bool includeFirst, bool clearSel = false);
308
309 void emitChangedSignal(bool);
310
311 int columnAt(int) const;
312 int rowAt(int) const;
313
314 Q3ListBoxPrivate * d;
315
316 static Q3ListBox * changedListBox;
317};
318
319
320class Q_COMPAT_EXPORT Q3ListBoxItem
321{
322public:
323 Q3ListBoxItem(Q3ListBox* listbox = 0);
324 Q3ListBoxItem(Q3ListBox* listbox, Q3ListBoxItem *after);
325 virtual ~Q3ListBoxItem();
326
327 virtual QString text() const;
328 virtual const QPixmap *pixmap() const;
329
330 virtual int height(const Q3ListBox *) const;
331 virtual int width(const Q3ListBox *) const;
332
333 bool isSelected() const { return s; }
334 bool isCurrent() const;
335
336 bool selected() const { return isSelected(); }
337 bool current() const { return isCurrent(); }
338
339 Q3ListBox *listBox() const;
340
341 void setSelectable(bool b) { selectable = b; }
342 bool isSelectable() const { return selectable; }
343
344 Q3ListBoxItem *next() const;
345 Q3ListBoxItem *prev() const;
346
347 virtual int rtti() const;
348 enum { RTTI = 0 };
349
350protected:
351 virtual void paint(QPainter *) = 0;
352 virtual void setText(const QString &text) { txt = text; }
353 void setCustomHighlighting(bool);
354
355private:
356 Q_DISABLE_COPY(Q3ListBoxItem)
357
358 QString txt;
359 uint selectable : 1;
360 uint s : 1;
361 uint dirty:1;
362 uint custom_highlight : 1;
363 uint unused : 28;
364 Q3ListBoxItem * p, * n;
365 Q3ListBox* lbox;
366 friend class Q3ListBox;
367 friend class Q3ListBoxPrivate;
368 friend class Q3ComboBox;
369 friend class Q3ComboBoxPopupItem;
370};
371
372
373class Q_COMPAT_EXPORT Q3ListBoxText : public Q3ListBoxItem
374{
375public:
376 Q3ListBoxText(Q3ListBox* listbox, const QString & text=QString());
377 Q3ListBoxText(const QString & text=QString());
378 Q3ListBoxText(Q3ListBox* listbox, const QString & text, Q3ListBoxItem *after);
379 ~Q3ListBoxText();
380
381 int height(const Q3ListBox *) const;
382 int width(const Q3ListBox *) const;
383
384 int rtti() const;
385 enum { RTTI = 1 };
386
387protected:
388 void paint(QPainter *);
389
390private:
391 Q_DISABLE_COPY(Q3ListBoxText)
392};
393
394
395class Q_COMPAT_EXPORT Q3ListBoxPixmap : public Q3ListBoxItem
396{
397public:
398 Q3ListBoxPixmap(Q3ListBox* listbox, const QPixmap &);
399 Q3ListBoxPixmap(const QPixmap &);
400 Q3ListBoxPixmap(Q3ListBox* listbox, const QPixmap & pix, Q3ListBoxItem *after);
401 Q3ListBoxPixmap(Q3ListBox* listbox, const QPixmap &, const QString&);
402 Q3ListBoxPixmap(const QPixmap &, const QString&);
403 Q3ListBoxPixmap(Q3ListBox* listbox, const QPixmap & pix, const QString&, Q3ListBoxItem *after);
404 ~Q3ListBoxPixmap();
405
406 const QPixmap *pixmap() const { return &pm; }
407
408 int height(const Q3ListBox *) const;
409 int width(const Q3ListBox *) const;
410
411 int rtti() const;
412 enum { RTTI = 2 };
413
414protected:
415 void paint(QPainter *);
416
417private:
418 Q_DISABLE_COPY(Q3ListBoxPixmap)
419
420 QPixmap pm;
421};
422
423#endif // QT_NO_LISTBOX
424
425QT_END_NAMESPACE
426
427QT_END_HEADER
428
429#endif // Q3LISTBOX_H
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