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kiconview.h
00001 /* This file is part of the KDE libraries
00002    Copyright (C) 1999 Torben Weis <weis@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016    Boston, MA 02110-1301, USA.
00017 */
00018 #ifndef KICONVIEW_H
00019 #define KICONVIEW_H
00020 
00021 #include <tqcursor.h>
00022 #include <tqiconview.h>
00023 
00024 #include <tdelibs_export.h>
00025 
00042 class TDEUI_EXPORT TDEIconView : public TQIconView
00043 {
00044   friend class TDEIconViewItem;
00045   Q_OBJECT
00046   TQ_ENUMS( Mode )
00047   TQ_PROPERTY( Mode mode READ mode WRITE setMode )
00048 
00049 public:
00050   TDEIconView( TQWidget *parent = 0, const char *name = 0, WFlags f = 0 );
00051 
00052   ~TDEIconView();
00053 
00062   enum Mode { Execute, Select };
00063 
00073   void setMode( Mode m );
00074 
00078   Mode mode() const;
00079 
00083   virtual void setFont( const TQFont & );
00084 
00092   void setIconTextHeight( int n );
00093 
00098   int iconTextHeight() const;
00099 
00103   virtual void takeItem( TQIconViewItem * item );
00104 
00105 signals:
00106 
00116   void executed( TQIconViewItem *item );
00117 
00128   void executed( TQIconViewItem *item, const TQPoint &pos );
00129 
00138   void held( TQIconViewItem *item );
00139 
00153   void doubleClicked( TQIconViewItem *item, const TQPoint &pos );
00154 
00155 protected slots:
00156   void slotOnItem( TQIconViewItem *item );
00157   void slotOnViewport();
00158   void slotSettingsChanged(int);
00159 
00163   void slotAutoSelect();
00164 
00165 protected:
00166   void emitExecute( TQIconViewItem *item, const TQPoint &pos );
00167   void updateDragHoldItem( TQDropEvent *e );
00168 
00169   virtual void focusOutEvent( TQFocusEvent *fe );
00170   virtual void leaveEvent( TQEvent *e );
00171   virtual void contentsMousePressEvent( TQMouseEvent *e );
00172   virtual void contentsMouseDoubleClickEvent ( TQMouseEvent * e );
00173   virtual void contentsMouseReleaseEvent( TQMouseEvent *e );
00174   virtual void contentsDragEnterEvent( TQDragEnterEvent *e );
00175   virtual void contentsDragLeaveEvent( TQDragLeaveEvent *e );
00176   virtual void contentsDragMoveEvent( TQDragMoveEvent *e );
00177   virtual void contentsDropEvent( TQDropEvent* e );
00178   virtual void wheelEvent( TQWheelEvent *e );
00179 
00186   void cancelPendingHeldSignal();
00187   
00188 private slots:
00189   void slotMouseButtonClicked( int btn, TQIconViewItem *item, const TQPoint &pos );
00190   void slotDragHoldTimeout();
00191 
00192 private:
00196   TQFontMetrics *itemFontMetrics() const;
00200   TQPixmap selectedIconPixmap( TQPixmap *pix, const TQColor &col ) const;
00201 
00202   bool m_bUseSingle;
00203   bool m_bChangeCursorOverItem;
00204 
00205   TQIconViewItem* m_pCurrentItem;
00206 
00207   TQTimer* m_pAutoSelect;
00208   int m_autoSelectDelay;
00209 
00210 protected:
00211   virtual void virtual_hook( int id, void* data );
00212 private:
00213   class TDEIconViewPrivate;
00214   TDEIconViewPrivate *d;
00215 };
00216 
00217 class KWordWrap;
00226 class TDEUI_EXPORT TDEIconViewItem : public TQIconViewItem
00227 {
00228 public:
00229     // Need to redefine all the constructors - I want Java !
00230     TDEIconViewItem( TQIconView *parent )
00231         : TQIconViewItem( parent ) { init(); } // We need to call it because the parent ctor won't call our reimplementation :(((
00232     TDEIconViewItem( TQIconView *parent, TQIconViewItem *after )
00233         : TQIconViewItem( parent, after ) { init(); }
00234     TDEIconViewItem( TQIconView *parent, const TQString &text )
00235         : TQIconViewItem( parent, text ) { init(); }
00236     TDEIconViewItem( TQIconView *parent, TQIconViewItem *after, const TQString &text )
00237         : TQIconViewItem( parent, after, text ) { init(); }
00238     TDEIconViewItem( TQIconView *parent, const TQString &text, const TQPixmap &icon )
00239         : TQIconViewItem( parent, text, icon ) { init(); }
00240     TDEIconViewItem( TQIconView *parent, TQIconViewItem *after, const TQString &text, const TQPixmap &icon )
00241         : TQIconViewItem( parent, after, text, icon ) { init(); }
00242     TDEIconViewItem( TQIconView *parent, const TQString &text, const TQPicture &picture )
00243         : TQIconViewItem( parent, text, picture ) { init(); }
00244     TDEIconViewItem( TQIconView *parent, TQIconViewItem *after, const TQString &text, const TQPicture &picture )
00245         : TQIconViewItem( parent, after, text, picture ) { init(); }
00246     virtual ~TDEIconViewItem();
00247 
00259     void setPixmapSize( const TQSize& size );
00260 
00265     TQSize pixmapSize() const;
00266 
00267 protected:
00268     void init();
00269     virtual void calcRect( const TQString& text_ = TQString::null );
00270     virtual void paintItem( TQPainter *p, const TQColorGroup &c );
00271     KWordWrap *wordWrap();
00272     void paintPixmap( TQPainter *p, const TQColorGroup &c );
00273     void paintText( TQPainter *p, const TQColorGroup &c );
00274 
00275 private:
00276     KWordWrap* m_wordWrap;
00277     struct TDEIconViewItemPrivate;
00278     TDEIconViewItemPrivate *d;
00279 };
00280 
00281 #endif

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