summaryrefslogtreecommitdiffstats
path: root/lib/kopainter/koIconChooser.h
blob: 59057f2ec3b7962e10e892e2ce943a67fa1159e5 (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
/* This file is part of the KDE project
  Copyright (c) 1999 Carsten Pfeiffer (pfeiffer@kde.org)
  Copyright (c) 2002 Igor Jansen (rm@kde.org)

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#ifndef __ko_iconchooser_h__
#define __ko_iconchooser_h__

#include <tqgridview.h>
#include <tqptrlist.h>
#include <tqpixmap.h>
#include <koffice_export.h>

class KoIconItem
{
public:
  KoIconItem() {}
  virtual ~KoIconItem() {}

  bool hasValidPixmap() {return validPixmap; }
  bool validPixmap;
  bool hasValidThumb() {return validThumb; }
  bool validThumb;

  virtual int spacing() const {return 0; }
  virtual void setSpacing(int) {}
  virtual TQPixmap &pixmap() const = 0;
  virtual TQPixmap &thumbPixmap() const = 0;
  // Return -1 if this is less than other, 0 if equal, 1 if greater than.
  virtual int compare(const KoIconItem */*other*/) const { return 0; }
};

class KoPixmapWidget : public TQFrame
{
public:
  KoPixmapWidget(const TQPixmap &aPixmap, TQWidget *tqparent = 0L, const char *name = 0L);
  ~KoPixmapWidget();

protected:
  void paintEvent(TQPaintEvent *e);
  void mouseReleaseEvent( TQMouseEvent *e);

private:
  TQPixmap mPixmap;
};

class KOPAINTER_EXPORT KoIconChooser: public TQGridView
{
  Q_OBJECT
  TQ_OBJECT
public:
  // To make the items sorted, set 'sort' to true and override KoIconItem::compare().
  KoIconChooser(TQSize iconSize, TQWidget *tqparent = 0L, const char *name = 0L, bool sort = false);
  virtual ~KoIconChooser();

  bool autoDelete() const {return mIconList.autoDelete(); }
  void setAutoDelete(bool b) {mIconList.setAutoDelete(b); }

  void addItem(KoIconItem *item);
  bool removeItem(KoIconItem *item);
  void clear();

  KoIconItem *currentItem();
  void setCurrentItem(KoIconItem *item);

  void setDragEnabled(bool allow) { mDragEnabled = allow; }
  bool dragEnabled() const { return mDragEnabled; }
  
  KoIconItem *itemAt(int row, int col);
  KoIconItem *itemAt(int index);

signals:
  void  selected(KoIconItem *item);

protected:
  void keyPressEvent(TQKeyEvent *e);
  void mousePressEvent( TQMouseEvent *e);
  void mouseReleaseEvent( TQMouseEvent *e);
  void mouseMoveEvent( TQMouseEvent *e);
  void resizeEvent(TQResizeEvent *e);
  void paintCell(TQPainter *p, int row, int col);
  virtual void startDrag();

private:
  int cellIndex(int row, int col);
  void calculateCells();
  void showFullPixmap(const TQPixmap &pix, const TQPoint &p);
  int sortInsertionIndex(const KoIconItem *item);

private:
  TQPtrList<KoIconItem>    mIconList;
  KoPixmapWidget         *mPixmapWidget;
  int                     mItemWidth;
  int                     mItemHeight;
  int                     mItemCount;
  int                     mNCols;
  int                     mCurRow;
  int                     mCurCol;
  int                     mMargin;
  TQPoint                  mDragStartPos;
  bool                    mMouseButtonDown;
  bool                    mDragEnabled;
  bool                    mSort;
};

// This is a first attempt at a pattern chooser widget abstraction which is at least
// useful for two applications(karbon and chalk). It is really a light version of
// kis_patternchooser. (Rob)
class KOPAINTER_EXPORT KoPatternChooser : public TQWidget
{
  Q_OBJECT
  TQ_OBJECT
public:
  KoPatternChooser( const TQPtrList<KoIconItem> &list, TQWidget *tqparent, const char *name = 0 );
  ~KoPatternChooser();

  KoIconItem *currentPattern();
  void setCurrentPattern( KoIconItem * );

public slots:
  void addPattern( KoIconItem * );
  void removePattern( KoIconItem * );

private:
  KoIconChooser *chooser;

signals:
  void selected( KoIconItem * );
};


#endif