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tqt3/src/widgets/ntqiconview.h

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16 KiB

/****************************************************************************
**
** Definition of TQIconView widget class
**
** Created : 990707
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the iconview module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef TQICONVIEW_H
#define TQICONVIEW_H
#ifndef QT_H
#include "ntqscrollview.h"
#include "ntqstring.h"
#include "ntqrect.h"
#include "ntqpoint.h"
#include "ntqsize.h"
#include "ntqfont.h" // TQString->TQFont conversion
#include "ntqdragobject.h"
#include "ntqbitmap.h"
#include "ntqpicture.h"
#endif // QT_H
#ifndef QT_NO_ICONVIEW
class TQIconView;
class TQPainter;
class TQMimeSource;
class TQMouseEvent;
class TQDragEnterEvent;
class TQDragMoveEvent;
class TQDragLeaveEvent;
class TQKeyEvent;
class TQFocusEvent;
class TQShowEvent;
class TQIconViewItem;
class TQIconViewItemLineEdit;
class TQStringList;
class TQIconDragPrivate;
#ifndef QT_NO_DRAGANDDROP
class Q_EXPORT TQIconDragItem
{
public:
TQIconDragItem();
virtual ~TQIconDragItem();
virtual TQByteArray data() const;
virtual void setData( const TQByteArray &d );
bool operator== ( const TQIconDragItem& ) const;
private:
TQByteArray ba;
};
class Q_EXPORT TQIconDrag : public TQDragObject
{
TQ_OBJECT
public:
TQIconDrag( TQWidget * dragSource, const char* name = 0 );
virtual ~TQIconDrag();
void append( const TQIconDragItem &item, const TQRect &pr, const TQRect &tr );
virtual const char* format( int i ) const;
static bool canDecode( TQMimeSource* e );
virtual TQByteArray encodedData( const char* mime ) const;
private:
TQIconDragPrivate *d;
TQChar endMark;
friend class TQIconView;
friend class TQIconViewPrivate;
#if defined(TQ_DISABLE_COPY) // Disabled copy constructor and operator=
TQIconDrag( const TQIconDrag & );
TQIconDrag &operator=( const TQIconDrag & );
#endif
};
#endif
class TQIconViewToolTip;
class TQIconViewItemPrivate;
class Q_EXPORT TQIconViewItem : public TQt
{
friend class TQIconView;
friend class TQIconViewToolTip;
friend class TQIconViewItemLineEdit;
public:
TQIconViewItem( TQIconView *parent );
TQIconViewItem( TQIconView *parent, TQIconViewItem *after );
TQIconViewItem( TQIconView *parent, const TQString &text );
TQIconViewItem( TQIconView *parent, TQIconViewItem *after, const TQString &text );
TQIconViewItem( TQIconView *parent, const TQString &text, const TQPixmap &icon );
TQIconViewItem( TQIconView *parent, TQIconViewItem *after, const TQString &text, const TQPixmap &icon );
#ifndef QT_NO_PICTURE
TQIconViewItem( TQIconView *parent, const TQString &text, const TQPicture &picture );
TQIconViewItem( TQIconView *parent, TQIconViewItem *after, const TQString &text, const TQPicture &picture );
#endif
virtual ~TQIconViewItem();
virtual void setRenameEnabled( bool allow );
virtual void setDragEnabled( bool allow );
virtual void setDropEnabled( bool allow );
virtual TQString text() const;
virtual TQPixmap *pixmap() const;
#ifndef QT_NO_PICTURE
virtual TQPicture *picture() const;
#endif
virtual TQString key() const;
bool renameEnabled() const;
bool dragEnabled() const;
bool dropEnabled() const;
TQIconView *iconView() const;
TQIconViewItem *prevItem() const;
TQIconViewItem *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;
void setVisible( bool b );
bool isVisible() const;
virtual void repaint();
virtual bool move( int x, int y );
virtual void moveBy( int dx, int dy );
virtual bool move( const TQPoint &pnt );
virtual void moveBy( const TQPoint &pnt );
TQRect rect() const;
int x() const;
int y() const;
int width() const;
int height() const;
TQSize size() const;
TQPoint pos() const;
TQRect textRect( bool relative = TRUE ) const;
TQRect pixmapRect( bool relative = TRUE ) const;
bool contains( const TQPoint& pnt ) const;
bool intersects( const TQRect& r ) const;
virtual bool acceptDrop( const TQMimeSource *mime ) const;
#ifndef QT_NO_TEXTEDIT
void rename();
#endif
virtual int compare( TQIconViewItem *i ) const;
virtual void setText( const TQString &text );
virtual void setPixmap( const TQPixmap &icon );
#ifndef QT_NO_PICTURE
virtual void setPicture( const TQPicture &icon );
#endif
virtual void setText( const TQString &text, bool recalc, bool redraw = TRUE );
virtual void setPixmap( const TQPixmap &icon, bool recalc, bool redraw = TRUE );
virtual void setKey( const TQString &k );
virtual int rtti() const;
static int RTTI;
protected:
#ifndef QT_NO_TEXTEDIT
virtual void removeRenameBox();
#endif
virtual void calcRect( const TQString &text_ = TQString::null );
virtual void paintItem( TQPainter *p, const TQColorGroup &cg );
virtual void paintFocus( TQPainter *p, const TQColorGroup &cg );
#ifndef QT_NO_DRAGANDDROP
virtual void dropped( TQDropEvent *e, const TQValueList<TQIconDragItem> &lst );
#endif
virtual void dragEntered();
virtual void dragLeft();
void setItemRect( const TQRect &r );
void setTextRect( const TQRect &r );
void setPixmapRect( const TQRect &r );
void calcTmpText();
TQString tempText() const;
private:
void init( TQIconViewItem *after = 0
#ifndef QT_NO_PICTURE
, TQPicture *pic = 0
#endif
);
#ifndef QT_NO_TEXTEDIT
void renameItem();
void cancelRenameItem();
#endif
void checkRect();
TQIconView *view;
TQString itemText, itemKey;
TQString tmpText;
TQPixmap *itemIcon;
#ifndef QT_NO_PICTURE
TQPicture *itemPic;
#endif
TQIconViewItem *prev, *next;
uint allow_rename : 1;
uint allow_drag : 1;
uint allow_drop : 1;
uint visible : 1;
uint selected : 1;
uint selectable : 1;
uint dirty : 1;
uint wordWrapDirty : 1;
TQRect itemRect, itemTextRect, itemIconRect;
#ifndef QT_NO_TEXTEDIT
TQIconViewItemLineEdit *renameBox;
#endif
TQRect oldRect;
TQIconViewItemPrivate *d;
};
class TQIconViewPrivate; /* don't touch */
class Q_EXPORT TQIconView : public TQScrollView
{
friend class TQIconViewItem;
friend class TQIconViewPrivate;
friend class TQIconViewToolTip;
TQ_OBJECT
// #### sorting and sort direction do not work
TQ_ENUMS( SelectionMode ItemTextPos Arrangement ResizeMode )
TQ_PROPERTY( bool sorting READ sorting )
TQ_PROPERTY( bool sortDirection READ sortDirection )
TQ_PROPERTY( SelectionMode selectionMode READ selectionMode WRITE setSelectionMode )
TQ_PROPERTY( int gridX READ gridX WRITE setGridX )
TQ_PROPERTY( int gridY READ gridY WRITE setGridY )
TQ_PROPERTY( int spacing READ spacing WRITE setSpacing )
TQ_PROPERTY( ItemTextPos itemTextPos READ itemTextPos WRITE setItemTextPos )
TQ_PROPERTY( TQBrush itemTextBackground READ itemTextBackground WRITE setItemTextBackground )
TQ_PROPERTY( Arrangement arrangement READ arrangement WRITE setArrangement )
TQ_PROPERTY( ResizeMode resizeMode READ resizeMode WRITE setResizeMode )
TQ_PROPERTY( int maxItemWidth READ maxItemWidth WRITE setMaxItemWidth )
TQ_PROPERTY( int maxItemTextLength READ maxItemTextLength WRITE setMaxItemTextLength )
TQ_PROPERTY( bool autoArrange READ autoArrange WRITE setAutoArrange )
TQ_PROPERTY( bool itemsMovable READ itemsMovable WRITE setItemsMovable )
TQ_PROPERTY( bool wordWrapIconText READ wordWrapIconText WRITE setWordWrapIconText )
TQ_PROPERTY( bool showToolTips READ showToolTips WRITE setShowToolTips )
TQ_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
};
TQIconView( TQWidget* parent=0, const char* name=0, WFlags f = 0 );
virtual ~TQIconView();
virtual void insertItem( TQIconViewItem *item, TQIconViewItem *after = 0L );
virtual void takeItem( TQIconViewItem *item );
int index( const TQIconViewItem *item ) const;
TQIconViewItem *firstItem() const;
TQIconViewItem *lastItem() const;
TQIconViewItem *currentItem() const;
virtual void setCurrentItem( TQIconViewItem *item );
virtual void setSelected( TQIconViewItem *item, bool s, bool cb = FALSE );
uint count() const;
public:
virtual void showEvent( TQShowEvent * );
virtual void setSelectionMode( SelectionMode m );
SelectionMode selectionMode() const;
TQIconViewItem *findItem( const TQPoint &pos ) const;
TQIconViewItem *findItem( const TQString &text, ComparisonFlags compare = BeginsWith ) const;
virtual void selectAll( bool select );
virtual void clearSelection();
virtual void invertSelection();
virtual void repaintItem( TQIconViewItem *item );
void repaintSelectedItems();
void ensureItemVisible( TQIconViewItem *item );
TQIconViewItem* findFirstVisibleItem( const TQRect &r ) const;
TQIconViewItem* findLastVisibleItem( const TQRect &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 TQBrush &b );
TQBrush 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( TQObject * o, TQEvent * );
TQSize minimumSizeHint() const;
TQSize sizeHint() const;
virtual void sort( bool ascending = TRUE );
virtual void setFont( const TQFont & );
virtual void setPalette( const TQPalette & );
bool isRenaming() const;
public slots:
virtual void arrangeItemsInGrid( const TQSize &grid, bool update = TRUE );
virtual void arrangeItemsInGrid( bool update = TRUE );
virtual void setContentsPos( int x, int y );
virtual void updateContents();
signals:
void selectionChanged();
void selectionChanged( TQIconViewItem *item );
void currentChanged( TQIconViewItem *item );
void clicked( TQIconViewItem * );
void clicked( TQIconViewItem *, const TQPoint & );
void pressed( TQIconViewItem * );
void pressed( TQIconViewItem *, const TQPoint & );
void doubleClicked( TQIconViewItem *item );
void returnPressed( TQIconViewItem *item );
void rightButtonClicked( TQIconViewItem* item, const TQPoint& pos );
void rightButtonPressed( TQIconViewItem* item, const TQPoint& pos );
void mouseButtonPressed( int button, TQIconViewItem* item, const TQPoint& pos );
void mouseButtonClicked( int button, TQIconViewItem* item, const TQPoint& pos );
void contextMenuRequested( TQIconViewItem* item, const TQPoint &pos );
#ifndef QT_NO_DRAGANDDROP
void dropped( TQDropEvent *e, const TQValueList<TQIconDragItem> &lst );
#endif
void moved();
void onItem( TQIconViewItem *item );
void onViewport();
void itemRenamed( TQIconViewItem *item, const TQString & );
void itemRenamed( TQIconViewItem *item );
protected slots:
virtual void doAutoScroll();
virtual void adjustItems();
virtual void slotUpdate();
private slots:
void movedContents( int dx, int dy );
protected:
void drawContents( TQPainter *p, int cx, int cy, int cw, int ch );
void contentsMousePressEvent( TQMouseEvent *e );
void contentsMouseReleaseEvent( TQMouseEvent *e );
void contentsMouseMoveEvent( TQMouseEvent *e );
void contentsMouseDoubleClickEvent( TQMouseEvent *e );
void contentsContextMenuEvent( TQContextMenuEvent *e );
#ifndef QT_NO_DRAGANDDROP
void contentsDragEnterEvent( TQDragEnterEvent *e );
void contentsDragMoveEvent( TQDragMoveEvent *e );
void contentsDragLeaveEvent( TQDragLeaveEvent *e );
void contentsDropEvent( TQDropEvent *e );
#endif
void bufferedPaintEvent( TQPaintEvent* );
void resizeEvent( TQResizeEvent* e );
void keyPressEvent( TQKeyEvent *e );
void focusInEvent( TQFocusEvent *e );
void focusOutEvent( TQFocusEvent *e );
void enterEvent( TQEvent *e );
virtual void drawRubber( TQPainter *p );
#ifndef QT_NO_DRAGANDDROP
virtual TQDragObject *dragObject();
virtual void startDrag();
#endif
virtual void insertInGrid( TQIconViewItem *item );
virtual void drawBackground( TQPainter *p, const TQRect &r );
void emitSelectionChanged( TQIconViewItem * i = 0 );
void emitRenamed( TQIconViewItem *item );
TQIconViewItem *makeRowLayout( TQIconViewItem *begin, int &y, bool &changed );
void styleChange( TQStyle& );
void windowActivationChange( bool );
private:
void contentsMousePressEventEx( TQMouseEvent *e );
virtual void drawDragShapes( const TQPoint &pnt );
#ifndef QT_NO_DRAGANDDROP
virtual void initDragEnter( TQDropEvent *e );
#endif
void drawContents( TQPainter* );
TQIconViewItem* findItemByName( TQIconViewItem *start );
void handleItemChange( TQIconViewItem *old, bool shift,
bool control, bool homeend = FALSE);
int calcGridNum( int w, int x ) const;
TQIconViewItem *rowBegin( TQIconViewItem *item ) const;
void updateItemContainer( TQIconViewItem *item );
void appendItemContainer();
void rebuildContainers();
enum Direction {
DirUp = 0,
DirDown,
DirLeft,
DirRight
};
TQIconViewItem* findItem(Direction dir, const TQIconViewItem *fromItem) const;
TQBitmap mask( TQPixmap *pix ) const;
int visibleWidthSB() const;
int visibleHeightSB() const;
TQIconViewPrivate *d;
private: // Disabled copy constructor and operator=
#if defined(TQ_DISABLE_COPY)
TQIconView( const TQIconView & );
TQIconView& operator=( const TQIconView & );
#endif
};
#endif // QT_NO_ICONVIEW
#endif // TQICONVIEW_H