summaryrefslogtreecommitdiffstats
path: root/src/qt3support/itemviews/q3iconview.h
blob: 77f475b7bc428719eaaea58733527dc03eef0a46 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef Q3ICONVIEW_H
#define Q3ICONVIEW_H

#include <Qt3Support/q3scrollview.h>
#include <QtCore/qstring.h>
#include <QtCore/qrect.h>
#include <QtCore/qpoint.h>
#include <QtCore/qsize.h>
#include <QtGui/qfont.h> // QString->QFont conversion
#include <Qt3Support/q3dragobject.h>
#include <QtGui/qbitmap.h>
#include <QtGui/qpicture.h>
#include <Qt3Support/q3valuelist.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3SupportLight)

#ifndef QT_NO_ICONVIEW

class Q3IconView;
class QPainter;
class QMimeSource;
class QMouseEvent;
class QDragEnterEvent;
class QDragMoveEvent;
class QDragLeaveEvent;
class QKeyEvent;
class QFocusEvent;
class QShowEvent;
class Q3IconViewItem;
class Q3IconViewItemLineEdit;
class QStringList;
class Q3IconDragPrivate;
class QColorGroup;

#ifndef QT_NO_DRAGANDDROP

class Q_COMPAT_EXPORT Q3IconDragItem
{
public:
    Q3IconDragItem();
    virtual ~Q3IconDragItem();
    virtual QByteArray data() const;
    virtual void setData(const QByteArray &d);
    bool operator== (const Q3IconDragItem&) const;

private:
    QByteArray ba;

};

class Q_COMPAT_EXPORT Q3IconDrag : public Q3DragObject
{
    Q_OBJECT
public:
    Q3IconDrag(QWidget * dragSource, const char* name = 0);
    virtual ~Q3IconDrag();

    void append(const Q3IconDragItem &item, const QRect &pr, const QRect &tr);

    virtual const char* format(int i) const;
    static bool canDecode(QMimeSource* e);
    virtual QByteArray encodedData(const char* mime) const;

private:
    Q_DISABLE_COPY(Q3IconDrag)

    Q3IconDragPrivate *d;
    QChar endMark;

    friend class Q3IconView;
    friend class Q3IconViewPrivate;
};

#endif

class Q3IconViewToolTip;
class Q3IconViewItemPrivate;

class Q_COMPAT_EXPORT Q3IconViewItem
{
    friend class Q3IconView;
    friend class Q3IconViewToolTip;
    friend class Q3IconViewItemLineEdit;

public:
    Q3IconViewItem(Q3IconView *parent);
    Q3IconViewItem(Q3IconView *parent, Q3IconViewItem *after);
    Q3IconViewItem(Q3IconView *parent, const QString &text);
    Q3IconViewItem(Q3IconView *parent, Q3IconViewItem *after, const QString &text);
    Q3IconViewItem(Q3IconView *parent, const QString &text, const QPixmap &icon);
    Q3IconViewItem(Q3IconView *parent, Q3IconViewItem *after, const QString &text, const QPixmap &icon);
#ifndef QT_NO_PICTURE
    Q3IconViewItem(Q3IconView *parent, const QString &text, const QPicture &picture);
    Q3IconViewItem(Q3IconView *parent, Q3IconViewItem *after, const QString &text, const QPicture &picture);
#endif
    virtual ~Q3IconViewItem();

    virtual void setRenameEnabled(bool allow);
    virtual void setDragEnabled(bool allow);
    virtual void setDropEnabled(bool allow);

    virtual QString text() const;
    virtual QPixmap *pixmap() const;
#ifndef QT_NO_PICTURE
    virtual QPicture *picture() const;
#endif
    virtual QString key() const;

    bool renameEnabled() const;
    bool dragEnabled() const;
    bool dropEnabled() const;

    Q3IconView *iconView() const;
    Q3IconViewItem *prevItem() const;
    Q3IconViewItem *nextItem() const;

    int index() const;

    virtual void setSelected(bool s, bool cb);
    virtual void setSelected(bool s);
    virtual void setSelectable(bool s);

    bool isSelected() const;
    bool isSelectable() const;

    virtual void repaint();

    virtual bool move(int x, int y);
    virtual void moveBy(int dx, int dy);
    virtual bool move(const QPoint &pnt);
    virtual void moveBy(const QPoint &pnt);

    QRect rect() const;
    int x() const;
    int y() const;
    int width() const;
    int height() const;
    QSize size() const;
    QPoint pos() const;
    QRect textRect(bool relative = true) const;
    QRect pixmapRect(bool relative = true) const;
    bool contains(const QPoint& pnt) const;
    bool intersects(const QRect& r) const;

    virtual bool acceptDrop(const QMimeSource *mime) const;

#ifndef QT_NO_TEXTEDIT
    void rename();
#endif

    virtual int compare(Q3IconViewItem *i) const;

    virtual void setText(const QString &text);
    virtual void setPixmap(const QPixmap &icon);
#ifndef QT_NO_PICTURE
    virtual void setPicture(const QPicture &icon);
#endif
    virtual void setText(const QString &text, bool recalc, bool redraw = true);
    virtual void setPixmap(const QPixmap &icon, bool recalc, bool redraw = true);
    virtual void setKey(const QString &k);

    virtual int rtti() const;
    static int RTTI;

protected:
#ifndef QT_NO_TEXTEDIT
    virtual void removeRenameBox();
#endif
    virtual void calcRect(const QString &text_ = QString());
    virtual void paintItem(QPainter *p, const QColorGroup &cg);
    virtual void paintFocus(QPainter *p, const QColorGroup &cg);
#ifndef QT_NO_DRAGANDDROP
    virtual void dropped(QDropEvent *e, const Q3ValueList<Q3IconDragItem> &lst);
#endif
    virtual void dragEntered();
    virtual void dragLeft();
    void setItemRect(const QRect &r);
    void setTextRect(const QRect &r);
    void setPixmapRect(const QRect &r);
    void calcTmpText();
    QString tempText() const;

private:
    void init(Q3IconViewItem *after = 0
#ifndef QT_NO_PICTURE
               , QPicture *pic = 0
#endif
              );
#ifndef QT_NO_TEXTEDIT
    void renameItem();
    void cancelRenameItem();
#endif
    void checkRect();

    Q3IconView *view;
    QString itemText, itemKey;
    QString tmpText;
    QPixmap *itemIcon;
#ifndef QT_NO_PICTURE
    QPicture *itemPic;
#endif
    Q3IconViewItem *prev, *next;
    uint allow_rename : 1;
    uint allow_drag : 1;
    uint allow_drop : 1;
    uint selected : 1;
    uint selectable : 1;
    uint dirty : 1;
    uint wordWrapDirty : 1;
    QRect itemRect, itemTextRect, itemIconRect;
#ifndef QT_NO_TEXTEDIT
    Q3IconViewItemLineEdit *renameBox;
#endif
    QRect oldRect;

    Q3IconViewItemPrivate *d;

};

class Q3IconViewPrivate;

class Q_COMPAT_EXPORT Q3IconView : public Q3ScrollView
{
    friend class Q3IconViewItem;
    friend class Q3IconViewPrivate;
    friend class Q3IconViewToolTip;

    Q_OBJECT
    // #### sorting and sort direction do not work
    Q_ENUMS(SelectionMode ItemTextPos Arrangement ResizeMode)
    Q_PROPERTY(bool sorting READ sorting)
    Q_PROPERTY(bool sortDirection READ sortDirection)
    Q_PROPERTY(SelectionMode selectionMode READ selectionMode WRITE setSelectionMode)
    Q_PROPERTY(int gridX READ gridX WRITE setGridX)
    Q_PROPERTY(int gridY READ gridY WRITE setGridY)
    Q_PROPERTY(int spacing READ spacing WRITE setSpacing)
    Q_PROPERTY(ItemTextPos itemTextPos READ itemTextPos WRITE setItemTextPos)
    Q_PROPERTY(QBrush itemTextBackground READ itemTextBackground WRITE setItemTextBackground)
    Q_PROPERTY(Arrangement arrangement READ arrangement WRITE setArrangement)
    Q_PROPERTY(ResizeMode resizeMode READ resizeMode WRITE setResizeMode)
    Q_PROPERTY(int maxItemWidth READ maxItemWidth WRITE setMaxItemWidth)
    Q_PROPERTY(int maxItemTextLength READ maxItemTextLength WRITE setMaxItemTextLength)
    Q_PROPERTY(bool autoArrange READ autoArrange WRITE setAutoArrange)
    Q_PROPERTY(bool itemsMovable READ itemsMovable WRITE setItemsMovable)
    Q_PROPERTY(bool wordWrapIconText READ wordWrapIconText WRITE setWordWrapIconText)
    Q_PROPERTY(bool showToolTips READ showToolTips WRITE setShowToolTips)
    Q_PROPERTY(uint count READ count)

public:
    enum SelectionMode {
        Single = 0,
        Multi,
        Extended,
        NoSelection
    };
    enum Arrangement {
        LeftToRight = 0,
        TopToBottom
    };
    enum ResizeMode {
        Fixed = 0,
        Adjust
    };
    enum ItemTextPos {
        Bottom = 0,
        Right
    };

    Q3IconView(QWidget* parent=0, const char* name=0, Qt::WindowFlags f = 0);
    virtual ~Q3IconView();

    virtual void insertItem(Q3IconViewItem *item, Q3IconViewItem *after = 0L);
    virtual void takeItem(Q3IconViewItem *item);

    int index(const Q3IconViewItem *item) const;

    Q3IconViewItem *firstItem() const;
    Q3IconViewItem *lastItem() const;
    Q3IconViewItem *currentItem() const;
    virtual void setCurrentItem(Q3IconViewItem *item);
    virtual void setSelected(Q3IconViewItem *item, bool s, bool cb = false);

    uint count() const;

public:
    virtual void showEvent(QShowEvent *);

    virtual void setSelectionMode(SelectionMode m);
    SelectionMode selectionMode() const;

    Q3IconViewItem *findItem(const QPoint &pos) const;

    enum StringComparisonMode {
        CaseSensitive   = 0x00001, // 0 0001
        BeginsWith      = 0x00002, // 0 0010
        EndsWith        = 0x00004, // 0 0100
        Contains        = 0x00008, // 0 1000
        ExactMatch      = 0x00010  // 1 0000
    };
    typedef uint ComparisonFlags;
    Q3IconViewItem *findItem(const QString &text, ComparisonFlags = BeginsWith | Qt::CaseSensitive) const;
    virtual void selectAll(bool select);
    virtual void clearSelection();
    virtual void invertSelection();

    virtual void repaintItem(Q3IconViewItem *item);
    void repaintSelectedItems();

    void ensureItemVisible(Q3IconViewItem *item);
    Q3IconViewItem* findFirstVisibleItem(const QRect &r) const;
    Q3IconViewItem* findLastVisibleItem(const QRect &r) const;

    virtual void clear();

    virtual void setGridX(int rx);
    virtual void setGridY(int ry);
    int gridX() const;
    int gridY() const;
    virtual void setSpacing(int sp);
    int spacing() const;
    virtual void setItemTextPos(ItemTextPos pos);
    ItemTextPos itemTextPos() const;
    virtual void setItemTextBackground(const QBrush &b);
    QBrush itemTextBackground() const;
    virtual void setArrangement(Arrangement am);
    Arrangement arrangement() const;
    virtual void setResizeMode(ResizeMode am);
    ResizeMode resizeMode() const;
    virtual void setMaxItemWidth(int w);
    int maxItemWidth() const;
    virtual void setMaxItemTextLength(int w);
    int maxItemTextLength() const;
    virtual void setAutoArrange(bool b);
    bool autoArrange() const;
    virtual void setShowToolTips(bool b);
    bool showToolTips() const;

    void setSorting(bool sort, bool ascending = true);
    bool sorting() const;
    bool sortDirection() const;

    virtual void setItemsMovable(bool b);
    bool itemsMovable() const;
    virtual void setWordWrapIconText(bool b);
    bool wordWrapIconText() const;

    bool eventFilter(QObject * o, QEvent *);

    QSize minimumSizeHint() const;
    QSize sizeHint() const;

    virtual void sort(bool ascending = true);

    bool isRenaming() const;

    QVariant inputMethodQuery(Qt::InputMethodQuery query) const;

public Q_SLOTS:
    virtual void arrangeItemsInGrid(const QSize &grid, bool update = true);
    virtual void arrangeItemsInGrid(bool update = true);
    virtual void setContentsPos(int x, int y);
    virtual void updateContents();

Q_SIGNALS:
    void selectionChanged();
    void selectionChanged(Q3IconViewItem *item);
    void currentChanged(Q3IconViewItem *item);
    void clicked(Q3IconViewItem *);
    void clicked(Q3IconViewItem *, const QPoint &);
    void pressed(Q3IconViewItem *);
    void pressed(Q3IconViewItem *, const QPoint &);

    void doubleClicked(Q3IconViewItem *item);
    void returnPressed(Q3IconViewItem *item);
    void rightButtonClicked(Q3IconViewItem* item, const QPoint& pos);
    void rightButtonPressed(Q3IconViewItem* item, const QPoint& pos);
    void mouseButtonPressed(int button, Q3IconViewItem* item, const QPoint& pos);
    void mouseButtonClicked(int button, Q3IconViewItem* item, const QPoint& pos);
    void contextMenuRequested(Q3IconViewItem* item, const QPoint &pos);

#ifndef QT_NO_DRAGANDDROP
    void dropped(QDropEvent *e, const Q3ValueList<Q3IconDragItem> &lst);
#endif
    void moved();
    void onItem(Q3IconViewItem *item);
    void onViewport();
    void itemRenamed(Q3IconViewItem *item, const QString &);
    void itemRenamed(Q3IconViewItem *item);

protected Q_SLOTS:
    virtual void doAutoScroll();
    virtual void adjustItems();
    virtual void slotUpdate();

private Q_SLOTS:
    void movedContents(int dx, int dy);

protected:
    void drawContents(QPainter *p, int cx, int cy, int cw, int ch);
    void contentsMousePressEvent(QMouseEvent *e);
    void contentsMouseReleaseEvent(QMouseEvent *e);
    void contentsMouseMoveEvent(QMouseEvent *e);
    void contentsMouseDoubleClickEvent(QMouseEvent *e);
    void contentsContextMenuEvent(QContextMenuEvent *e);

#ifndef QT_NO_DRAGANDDROP
    void contentsDragEnterEvent(QDragEnterEvent *e);
    void contentsDragMoveEvent(QDragMoveEvent *e);
    void contentsDragLeaveEvent(QDragLeaveEvent *e);
    void contentsDropEvent(QDropEvent *e);
#endif

    void resizeEvent(QResizeEvent* e);
    void keyPressEvent(QKeyEvent *e);
    void focusInEvent(QFocusEvent *e);
    void focusOutEvent(QFocusEvent *e);
    void enterEvent(QEvent *e);

    virtual void drawRubber(QPainter *p);
#ifndef QT_NO_DRAGANDDROP
    virtual Q3DragObject *dragObject();
    virtual void startDrag();
#endif
    virtual void insertInGrid(Q3IconViewItem *item);
    virtual void drawBackground(QPainter *p, const QRect &r);

    void emitSelectionChanged(Q3IconViewItem * i = 0);
    void emitRenamed(Q3IconViewItem *item);

    Q3IconViewItem *makeRowLayout(Q3IconViewItem *begin, int &y, bool &changed);

    void changeEvent(QEvent *);

private:
    Q_DISABLE_COPY(Q3IconView)

    void contentsMousePressEventEx(QMouseEvent *e);
    virtual void drawDragShapes(const QPoint &pnt);
#ifndef QT_NO_DRAGANDDROP
    virtual void initDragEnter(QDropEvent *e);
#endif
    Q3IconViewItem* findItemByName(Q3IconViewItem *start);
    void handleItemChange(Q3IconViewItem *old, bool shift,
                           bool control, bool homeend = false);

    int calcGridNum(int w, int x) const;
    Q3IconViewItem *rowBegin(Q3IconViewItem *item) const;
    void updateItemContainer(Q3IconViewItem *item);
    void appendItemContainer();
    void rebuildContainers();
    enum Direction {
        DirUp = 0,
        DirDown,
        DirLeft,
        DirRight
    };
    Q3IconViewItem* findItem(Direction dir,
                             const QPoint &relativeTo,
                             const QRect &searchRect) const;
    bool neighbourItem(Direction dir,
                        const QPoint &relativeTo,
                        const Q3IconViewItem *item) const;
    QBitmap mask(QPixmap *pix) const;

    Q3IconViewPrivate *d;
};

#endif // QT_NO_ICONVIEW

QT_END_NAMESPACE

QT_END_HEADER

#endif // QICONVIEW_H