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Diffstat (limited to 'src/widgets/qiconview.h')
| -rw-r--r-- | src/widgets/qiconview.h | 515 |
1 files changed, 515 insertions, 0 deletions
diff --git a/src/widgets/qiconview.h b/src/widgets/qiconview.h new file mode 100644 index 0000000..48736d6 --- /dev/null +++ b/src/widgets/qiconview.h @@ -0,0 +1,515 @@ +/**************************************************************************** +** +** Definition of QIconView widget class +** +** Created : 990707 +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the iconview module of the Qt 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 Qt 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.QPL +** included in the packaging of this file. Licensees holding valid Qt +** Commercial licenses may use this file in accordance with the Qt +** 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 QICONVIEW_H +#define QICONVIEW_H + +#ifndef QT_H +#include "qscrollview.h" +#include "qstring.h" +#include "qrect.h" +#include "qpoint.h" +#include "qsize.h" +#include "qfont.h" // QString->QFont conversion +#include "qdragobject.h" +#include "qbitmap.h" +#include "qpicture.h" +#endif // QT_H + +#ifndef QT_NO_ICONVIEW + +class QIconView; +class QPainter; +class QMimeSource; +class QMouseEvent; +class QDragEnterEvent; +class QDragMoveEvent; +class QDragLeaveEvent; +class QKeyEvent; +class QFocusEvent; +class QShowEvent; +class QIconViewItem; +class QIconViewItemLineEdit; +class QStringList; +class QIconDragPrivate; + +#ifndef QT_NO_DRAGANDDROP + +class Q_EXPORT QIconDragItem +{ +public: + QIconDragItem(); + virtual ~QIconDragItem(); + virtual QByteArray data() const; + virtual void setData( const QByteArray &d ); + bool operator== ( const QIconDragItem& ) const; + +private: + QByteArray ba; + +}; + +class Q_EXPORT QIconDrag : public QDragObject +{ + Q_OBJECT +public: + QIconDrag( QWidget * dragSource, const char* name = 0 ); + virtual ~QIconDrag(); + + void append( const QIconDragItem &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: + QIconDragPrivate *d; + QChar endMark; + + friend class QIconView; + friend class QIconViewPrivate; +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + QIconDrag( const QIconDrag & ); + QIconDrag &operator=( const QIconDrag & ); +#endif +}; + +#endif + +class QIconViewToolTip; +class QIconViewItemPrivate; + +class Q_EXPORT QIconViewItem : public Qt +{ + friend class QIconView; + friend class QIconViewToolTip; + friend class QIconViewItemLineEdit; + +public: + QIconViewItem( QIconView *parent ); + QIconViewItem( QIconView *parent, QIconViewItem *after ); + QIconViewItem( QIconView *parent, const QString &text ); + QIconViewItem( QIconView *parent, QIconViewItem *after, const QString &text ); + QIconViewItem( QIconView *parent, const QString &text, const QPixmap &icon ); + QIconViewItem( QIconView *parent, QIconViewItem *after, const QString &text, const QPixmap &icon ); +#ifndef QT_NO_PICTURE + QIconViewItem( QIconView *parent, const QString &text, const QPicture &picture ); + QIconViewItem( QIconView *parent, QIconViewItem *after, const QString &text, const QPicture &picture ); +#endif + virtual ~QIconViewItem(); + + 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; + + QIconView *iconView() const; + QIconViewItem *prevItem() const; + QIconViewItem *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 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( QIconViewItem *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::null ); + 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 QValueList<QIconDragItem> &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( QIconViewItem *after = 0 +#ifndef QT_NO_PICTURE + , QPicture *pic = 0 +#endif + ); +#ifndef QT_NO_TEXTEDIT + void renameItem(); + void cancelRenameItem(); +#endif + void checkRect(); + + QIconView *view; + QString itemText, itemKey; + QString tmpText; + QPixmap *itemIcon; +#ifndef QT_NO_PICTURE + QPicture *itemPic; +#endif + QIconViewItem *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; + QRect itemRect, itemTextRect, itemIconRect; +#ifndef QT_NO_TEXTEDIT + QIconViewItemLineEdit *renameBox; +#endif + QRect oldRect; + + QIconViewItemPrivate *d; + +}; + +class QIconViewPrivate; /* don't touch */ + +class Q_EXPORT QIconView : public QScrollView +{ + friend class QIconViewItem; + friend class QIconViewPrivate; + friend class QIconViewToolTip; + + 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 + }; + + QIconView( QWidget* parent=0, const char* name=0, WFlags f = 0 ); + virtual ~QIconView(); + + virtual void insertItem( QIconViewItem *item, QIconViewItem *after = 0L ); + virtual void takeItem( QIconViewItem *item ); + + int index( const QIconViewItem *item ) const; + + QIconViewItem *firstItem() const; + QIconViewItem *lastItem() const; + QIconViewItem *currentItem() const; + virtual void setCurrentItem( QIconViewItem *item ); + virtual void setSelected( QIconViewItem *item, bool s, bool cb = FALSE ); + + uint count() const; + +public: + virtual void showEvent( QShowEvent * ); + + virtual void setSelectionMode( SelectionMode m ); + SelectionMode selectionMode() const; + + QIconViewItem *findItem( const QPoint &pos ) const; + QIconViewItem *findItem( const QString &text, ComparisonFlags compare = BeginsWith ) const; + virtual void selectAll( bool select ); + virtual void clearSelection(); + virtual void invertSelection(); + + virtual void repaintItem( QIconViewItem *item ); + void repaintSelectedItems(); + + void ensureItemVisible( QIconViewItem *item ); + QIconViewItem* findFirstVisibleItem( const QRect &r ) const; + QIconViewItem* 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 ); + + virtual void setFont( const QFont & ); + virtual void setPalette( const QPalette & ); + + bool isRenaming() const; + +public 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(); + +signals: + void selectionChanged(); + void selectionChanged( QIconViewItem *item ); + void currentChanged( QIconViewItem *item ); + void clicked( QIconViewItem * ); + void clicked( QIconViewItem *, const QPoint & ); + void pressed( QIconViewItem * ); + void pressed( QIconViewItem *, const QPoint & ); + + void doubleClicked( QIconViewItem *item ); + void returnPressed( QIconViewItem *item ); + void rightButtonClicked( QIconViewItem* item, const QPoint& pos ); + void rightButtonPressed( QIconViewItem* item, const QPoint& pos ); + void mouseButtonPressed( int button, QIconViewItem* item, const QPoint& pos ); + void mouseButtonClicked( int button, QIconViewItem* item, const QPoint& pos ); + void contextMenuRequested( QIconViewItem* item, const QPoint &pos ); + +#ifndef QT_NO_DRAGANDDROP + void dropped( QDropEvent *e, const QValueList<QIconDragItem> &lst ); +#endif + void moved(); + void onItem( QIconViewItem *item ); + void onViewport(); + void itemRenamed( QIconViewItem *item, const QString & ); + void itemRenamed( QIconViewItem *item ); + +protected slots: + virtual void doAutoScroll(); + virtual void adjustItems(); + virtual void slotUpdate(); + +private 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 bufferedPaintEvent( QPaintEvent* ); + 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 QDragObject *dragObject(); + virtual void startDrag(); +#endif + virtual void insertInGrid( QIconViewItem *item ); + virtual void drawBackground( QPainter *p, const QRect &r ); + + void emitSelectionChanged( QIconViewItem * i = 0 ); + void emitRenamed( QIconViewItem *item ); + + QIconViewItem *makeRowLayout( QIconViewItem *begin, int &y, bool &changed ); + + void styleChange( QStyle& ); + void windowActivationChange( bool ); + +private: + void contentsMousePressEventEx( QMouseEvent *e ); + virtual void drawDragShapes( const QPoint &pnt ); +#ifndef QT_NO_DRAGANDDROP + virtual void initDragEnter( QDropEvent *e ); +#endif + void drawContents( QPainter* ); + QIconViewItem* findItemByName( QIconViewItem *start ); + void handleItemChange( QIconViewItem *old, bool shift, + bool control, bool homeend = FALSE); + + int calcGridNum( int w, int x ) const; + QIconViewItem *rowBegin( QIconViewItem *item ) const; + void updateItemContainer( QIconViewItem *item ); + void appendItemContainer(); + void rebuildContainers(); + enum Direction { + DirUp = 0, + DirDown, + DirLeft, + DirRight + }; + QIconViewItem* findItem( Direction dir, + const QPoint &relativeTo, + const QRect &searchRect ) const; + bool neighbourItem( Direction dir, + const QPoint &relativeTo, + const QIconViewItem *item ) const; + QBitmap mask( QPixmap *pix ) const; + int visibleWidthSB() const; + int visibleHeightSB() const; + + QIconViewPrivate *d; + +private: // Disabled copy constructor and operator= +#if defined(Q_DISABLE_COPY) + QIconView( const QIconView & ); + QIconView& operator=( const QIconView & ); +#endif +}; + +#endif // QT_NO_ICONVIEW + +#endif // QICONVIEW_H |