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/* 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 <qgridview.h>
#include <qptrlist.h>
#include <qpixmap.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 QPixmap &pixmap() const = 0;
virtual QPixmap &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 QFrame
{
public:
KoPixmapWidget(const QPixmap &aPixmap, QWidget *parent = 0L, const char *name = 0L);
~KoPixmapWidget();
protected:
void paintEvent(QPaintEvent *e);
void mouseReleaseEvent( QMouseEvent *e);
private:
QPixmap mPixmap;
};
class KOPAINTER_EXPORT KoIconChooser: public QGridView
{
Q_OBJECT
public:
// To make the items sorted, set 'sort' to true and override KoIconItem::compare().
KoIconChooser(QSize iconSize, QWidget *parent = 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(QKeyEvent *e);
void mousePressEvent( QMouseEvent *e);
void mouseReleaseEvent( QMouseEvent *e);
void mouseMoveEvent( QMouseEvent *e);
void resizeEvent(QResizeEvent *e);
void paintCell(QPainter *p, int row, int col);
virtual void startDrag();
private:
int cellIndex(int row, int col);
void calculateCells();
void showFullPixmap(const QPixmap &pix, const QPoint &p);
int sortInsertionIndex(const KoIconItem *item);
private:
QPtrList<KoIconItem> mIconList;
KoPixmapWidget *mPixmapWidget;
int mItemWidth;
int mItemHeight;
int mItemCount;
int mNCols;
int mCurRow;
int mCurCol;
int mMargin;
QPoint 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 krita). It is really a light version of
// kis_patternchooser. (Rob)
class KOPAINTER_EXPORT KoPatternChooser : public QWidget
{
Q_OBJECT
public:
KoPatternChooser( const QPtrList<KoIconItem> &list, QWidget *parent, 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
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