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tdebase/libkonq/konq_iconviewwidget.h

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/* This file is part of the KDE project
Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
Copyright (C) 2000, 2001, 2002 David Faure <david@mandrakesoft.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __konq_iconviewwidget_h__
#define __konq_iconviewwidget_h__
#include <kiconloader.h>
#include <kiconview.h>
#include <kurl.h>
#include <tqguardedptr.h>
#include <kfileitem.h>
#include <kio/jobclasses.h>
#include <libkonq_export.h>
class KonqFMSettings;
class KFileIVI;
class KonqIconDrag;
namespace KIO { class Job; }
/**
* A file-aware icon view, implementing drag'n'drop, KDE icon sizes,
* user settings, animated icons...
* Used by kdesktop and konq_iconview.
*
*/
class LIBKONQ_EXPORT KonqIconViewWidget : public KIconView
{
Q_OBJECT
Q_PROPERTY( bool sortDirectoriesFirst READ sortDirectoriesFirst WRITE setSortDirectoriesFirst )
Q_PROPERTY( TQRect iconArea READ iconArea WRITE setIconArea )
Q_PROPERTY( int lineupMode READ lineupMode WRITE setLineupMode )
Q_PROPERTY( TQString url READ urlString WRITE setNewURL )
friend class KFileIVI;
public:
enum LineupMode { LineupHorizontal=1, LineupVertical, LineupBoth };
/**
* Constructor
*/
KonqIconViewWidget( TQWidget *parent = 0L, const char *name = 0L, WFlags f = 0, bool kdesktop = FALSE );
virtual ~KonqIconViewWidget();
/**
* Read the configuration and apply it.
* Call this in the inherited constructor with bInit=true,
* and in some reparseConfiguration() slot with bInit=false.
* Returns true if the font was changed (which means something has to
* be done so that the icon's texts don't run into each other).
* However Konq and KDesktop handle this differently.
*/
bool initConfig( bool bInit );
/**
* Set the area that will be occupied by icons. It is still possible to
* drag icons outside this area; this only applies to automatically placed
* icons.
*/
void setIconArea( const TQRect &rect );
/**
* Reimplemented to make the slotOnItem highlighting work.
*/
virtual void focusOutEvent( TQFocusEvent * /* ev */ );
/**
* Returns the icon area.
*/
TQRect iconArea() const;
/**
* Set the lineup mode. This determines in which direction(s) icons are
* moved when lineing them up.
*/
void setLineupMode(int mode);
/**
* Returns the lineup mode.
*/
int lineupMode() const;
/**
* Line up the icons to a regular grid. The outline of the grid is
* specified by iconArea. The two length parameters are
* gridX and gridY.
*/
void lineupIcons();
/**
* Line up the icons to a regular grid horizontally or vertically.
*
* @param arrangement the arrangement to use (TQIconView::LeftToRight
* for a horizontal arrangement and TQIconView::TopToBottom
* for vertical)
*/
void lineupIcons( TQIconView::Arrangement arrangement );
/**
* Sets the icons of all items, and stores the @p size
* This doesn't touch thumbnails, except if @p stopImagePreviewFor is set.
* Takes care of the grid, when changing the size.
*
* @param size size to use for the icons
* @param stopImagePreviewFor set to a list of mimetypes which should be made normal again.
* For instance "text/plain,image/wmf".
* Can be set to "*" for "all mimetypes" and to "image/"+"*" for "all images".
*/
void setIcons( int size, const TQStringList& stopImagePreviewFor = TQStringList() );
/**
* Called on databaseChanged
*/
void refreshMimeTypes();
int iconSize() { return m_size; }
void calculateGridX();
/**
* The horizontal distance between two icons
* (whether or not a grid has been given to TQIconView)
*/
int gridXValue() const;
/**
* Calculate the geometry of the fixed grid that is used to line up the
* icons, for example when using the lineupIcons() method.
*
* @param x
* @param y
* @param dx Cell width
* @param dy Cell height
* @param nx Number of columns
* @param ny Number of rows
*/
void gridValues( int* x, int* y, int* dx, int* dy, int* nx, int* ny );
/**
* Start generating the previews.
* @param ignored this parameter is probably ignored
* @param force if true, all files are looked at.
* Otherwise, only those which are not a thumbnail already.
*
* @todo figure out the parameter meanings again
*/
void startImagePreview( const TQStringList &ignored, bool force );
void stopImagePreview();
bool isPreviewRunning() const;
// unused
void setThumbnailPixmap( KFileIVI * item, const TQPixmap & pixmap );
void disableSoundPreviews();
void setURL ( const KURL & kurl );
// ### KDE4: make const
const KURL & url() { return m_url; }
TQString urlString() const { return m_url.url(); }
void setRootItem ( const KFileItem * item ) { m_rootItem = item; }
/**
* Get list of selected KFileItems
*/
KFileItemList selectedFileItems();
void setItemColor( const TQColor &c );
TQColor itemColor() const;
virtual void cutSelection();
virtual void copySelection();
virtual void pasteSelection();
virtual KURL::List selectedUrls(); // KDE4: remove virtual + add const
enum UrlFlags { UserVisibleUrls = 0, MostLocalUrls = 1 };
KURL::List selectedUrls( UrlFlags flags ) const; // KDE4: merge with above, default is == UserVisibleUrls
void paste( const KURL &url );
bool sortDirectoriesFirst() const;
void setSortDirectoriesFirst( bool b );
void setCaseInsensitiveSort( bool b );
bool caseInsensitiveSort() const;
/**
* Cache of the dragged URLs over the icon view, used by KFileIVI
*/
const KURL::List & dragURLs() { return m_lstDragURLs; }
/**
* Reimplemented from QIconView
*/
virtual void clear();
/**
* Reimplemented from QIconView
*/
virtual void takeItem( TQIconViewItem *item );
/**
* Reimplemented from TQIconView to take into account iconArea.
*/
virtual void insertInGrid( TQIconViewItem *item );
/**
* Reimplemented from TQIconView to update the gridX
*/
virtual void setItemTextPos( ItemTextPos pos );
/**
* Give feedback when item is activated.
*/
virtual void visualActivate(TQIconViewItem *);
bool isDesktop() const { return m_bDesktop; }
/**
* Provided for KDesktop.
*/
virtual void setWallpaper(const KURL&) { }
bool maySetWallpaper();
void setMaySetWallpaper(bool b);
void disableIcons( const KURL::List & lst );
TQString iconPositionGroupPrefix() const { return m_iconPositionGroupPrefix; }
TQString dotDirectoryPath() const { return m_dotDirectoryPath; }
void setPreviewSettings(const TQStringList& mimeTypes);
const TQStringList& previewSettings();
void setNewURL( const TQString& url );
public slots:
/**
* Checks the new selection and emits enableAction() signals
*/
virtual void slotSelectionChanged();
void slotSaveIconPositions();
void renameSelectedItem();
void renameCurrentItem();
void slotToolTipPreview( const KFileItem *, const TQPixmap & ); // ### unused - remove for KDE4
void slotToolTipPreviewResult() ; // ### unused - remove for KDE4
signals:
/**
* For cut/copy/paste/move/delete (see kparts/browserextension.h)
*/
void enableAction( const char * name, bool enabled );
void dropped();
void imagePreviewFinished();
void incIconSize();
void decIconSize();
/**
* We need to track drag in icon views for the spring loading folders
*/
void dragEntered( bool accepted );
void dragLeft();
void dragMove( bool accepted );
/**
* Emited after the dropped() event. This way we know when the
* drag'n'drop is really finished.
*/
void dragFinished();
protected slots:
virtual void slotDropped( TQDropEvent *e, const TQValueList<TQIconDragItem> & );
void slotItemRenamed(TQIconViewItem *item, const TQString &name);
void slotIconChanged(int);
void slotOnItem(TQIconViewItem *);
void slotOnViewport();
void slotStartSoundPreview();
void slotPreview(const KFileItem *, const TQPixmap &);
void slotPreviewResult();
void slotMovieUpdate( const TQRect& rect );
void slotMovieStatus( int status );
void slotReenableAnimation();
void slotAboutToCreate(const TQPoint &pos, const TQValueList<KIO::CopyInfo> &files);
void doubleClickTimeout();
protected:
virtual TQDragObject *dragObject();
KonqIconDrag *konqDragObject( TQWidget * dragSource = 0L );
bool mimeTypeMatch( const TQString& mimeType, const TQStringList& mimeList ) const;
virtual void drawBackground( TQPainter *p, const TQRect &r );
/**
* r is the rectangle which you want to paint from the background.
* pt is the upper left point in the painter device where you want to paint
* the rectangle r.
*/
virtual void drawBackground( TQPainter *p, const TQRect &r,
const TQPoint &pt );
virtual void contentsDragEnterEvent( TQDragEnterEvent *e );
virtual void contentsDragLeaveEvent( TQDragLeaveEvent *e );
virtual void contentsDragMoveEvent( TQDragMoveEvent *e );
virtual void contentsDropEvent( TQDropEvent *e );
virtual void contentsMousePressEvent( TQMouseEvent *e );
virtual void contentsMouseReleaseEvent ( TQMouseEvent * e );
virtual void contentsMouseMoveEvent( TQMouseEvent *e );
virtual void backgroundPixmapChange( const TQPixmap & );
virtual void wheelEvent( TQWheelEvent* );
virtual void leaveEvent( TQEvent *e );
void readAnimatedIconsConfig();
void mousePressChangeValue();
bool boostPreview() const;
int previewIconSize( int size ) const;
int largestPreviewIconSize( int size ) const;
bool canPreview( KFileItem* item );
void updatePreviewMimeTypes();
private:
KURL m_url;
const KFileItem * m_rootItem;
KURL::List m_lstDragURLs;
int m_size;
/** Konqueror settings */
KonqFMSettings * m_pSettings;
bool m_bMousePressed;
TQPoint m_mousePos;
TQColor iColor;
bool m_bSortDirsFirst;
TQString m_iconPositionGroupPrefix;
TQString m_dotDirectoryPath;
int m_LineupMode;
TQRect m_IconRect;
bool m_bDesktop;
bool m_bSetGridX;
private:
struct KonqIconViewWidgetPrivate *d;
};
#endif