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/*
Copyright (c) 2005 Gábor Lehel <illissius@gmail.com>
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 LAYERLIST_H
#define LAYERLIST_H
#include <tqiconset.h>
#include <klistview.h>
class TQMouseEvent;
class TQString;
class KPopupMenu;
class LayerItem;
class LayerFolder;
template<class T> class TQPtrList;
class LayerList: public KListView
{
Q_OBJECT
public:
LayerList( TQWidget *parent = 0, const char *name = 0 );
virtual ~LayerList();
void addProperty( const TQString &name, const TQString &displayName, const TQIconSet &icon = TQIconSet(),
bool defaultValue = false, bool validForFolders = true );
void addProperty( const TQString &name, const TQString &displayName, TQPixmap enabled, TQPixmap disabled,
bool defaultValue = false, bool validForFolders = true );
bool foldersCanBeActive() const;
bool previewsShown() const;
int itemHeight() const;
int numRows() const;
LayerItem *layer( int id ) const;
LayerItem *folder( int id ) const; //returns 0 if not a folder
LayerItem *activeLayer() const;
int activeLayerID() const;
TQValueList<LayerItem*> selectedLayers() const;
TQValueList<int> selectedLayerIDs() const;
void makeFolder( int id );
bool isFolder( int id ) const;
TQString displayName( int id ) const;
bool property( int id, const TQString &name ) const;
struct MenuItems
{
enum { NewLayer = 0, NewFolder, RemoveLayer, LayerProperties, COUNT };
};
KPopupMenu *contextMenu() const;
public slots:
void setFoldersCanBeActive( bool can );
void setPreviewsShown( bool show );
void setItemHeight( int height );
void setNumRows( int rows ); //how many rows of property icons can fit
void setActiveLayer( LayerItem *layer );
void setActiveLayer( int id );
void setLayerDisplayName( LayerItem *layer, const TQString &displayName );
void setLayerDisplayName( int id, const TQString &displayName );
void setLayerProperty( LayerItem *layer, const TQString &name, bool on );
void setLayerProperty( int id, const TQString &name, bool on );
void toggleLayerProperty( LayerItem *layer, const TQString &name );
void toggleLayerProperty( int id, const TQString &name );
void setLayerPreviewImage( LayerItem *layer, TQImage *image );
void setLayerPreviewImage( int id, TQImage *image );
void layerPreviewChanged( LayerItem *layer );
void layerPreviewChanged( int id );
LayerItem *addLayer( const TQString &displayName, LayerItem *after = 0, int id = -1 );
LayerItem *addLayer( const TQString &displayName, int afterID, int id = -1 );
LayerItem *addLayerToParent( const TQString &displayName, LayerItem *parent, LayerItem *after = 0, int id = -1 );
LayerItem *addLayerToParent( const TQString &displayName, int parentID, int afterID = -1, int id = -1 );
void moveLayer( LayerItem *layer, LayerItem *parent, LayerItem *after );
void moveLayer( int id, int parentID, int afterID );
void removeLayer( LayerItem *layer );
void removeLayer( int id );
signals:
void activated( LayerItem *layer );
void activated( int id );
void displayNameChanged( LayerItem *layer, const TQString &displayName );
void displayNameChanged( int id, const TQString &displayName );
void propertyChanged( LayerItem *layer, const TQString &name, bool on );
void propertyChanged( int id, const TQString &name, bool on );
void layerMoved( LayerItem *layer, LayerItem *parent, LayerItem *after );
void layerMoved( int id, int parentID, int afterID );
void requestNewLayer( LayerItem *parent, LayerItem *after );
void requestNewLayer( int parentID, int afterID );
void requestNewFolder( LayerItem *parent, LayerItem *after );
void requestNewFolder( int parentID, int afterID );
void requestRemoveLayer( LayerItem *layer );
void requestRemoveLayer( int id );
void requestRemoveLayers( TQValueList<LayerItem*> layers );
void requestRemoveLayers( TQValueList<int> ids );
void requestLayerProperties( LayerItem *layer );
void requestLayerProperties( int id );
public: //convenience
LayerItem *firstChild() const;
LayerItem *lastChild() const;
protected slots:
virtual void constructMenu( LayerItem *layer );
virtual void menuActivated( int id, LayerItem *layer );
private:
typedef KListView super;
friend class LayerItem;
friend class LayerToolTIp;
class Private;
Private* const d;
private slots:
void slotItemRenamed( TQListViewItem *item, const TQString &text, int col );
void slotItemMoved( TQPtrList<TQListViewItem>&, TQPtrList<TQListViewItem>&, TQPtrList<TQListViewItem>& );
void showContextMenu();
void hideTip();
void maybeTip();
public: //reimplemented for internal reasons
virtual void setCurrentItem( TQListViewItem *i );
protected:
virtual void contentsMousePressEvent( TQMouseEvent *e );
virtual void contentsMouseDoubleClickEvent ( TQMouseEvent *e );
virtual void findDrop( const TQPoint &pos, TQListViewItem *&parent, TQListViewItem *&after );
};
class LayerItem: public KListViewItem
{
public:
LayerItem( const TQString &displayName, LayerList *parent, LayerItem *after = 0, int id = -1 );
LayerItem( const TQString &displayName, LayerItem *parent, LayerItem *after = 0, int id = -1 );
virtual ~LayerItem();
void makeFolder();
bool isFolder() const;
// Returns true if this item is the given item or the tree rooted at
// this item contains the given item.
bool contains(const LayerItem *item);
int id() const;
TQString displayName() const;
void setDisplayName( const TQString &displayName );
bool isActive() const;
void setActive();
bool property( const TQString &name ) const;
void setProperty( const TQString &name, bool on );
void toggleProperty( const TQString &name );
void setPreviewImage( TQImage *image );
void previewChanged();
LayerItem *addLayer( const TQString &displayName, LayerItem *after = 0, int id = -1 );
LayerItem *prevSibling() const;
public: //convenience
LayerItem *nextSibling() const;
LayerList *listView() const;
LayerItem *firstChild() const;
LayerItem *parent() const;
void update() const; //like TQWidget::update()
protected:
virtual TQRect rect() const;
int mapXFromListView( int x ) const;
int mapYFromListView( int y ) const;
TQPoint mapFromListView( const TQPoint &point ) const;
TQRect mapFromListView( const TQRect &rect ) const;
int mapXToListView( int x ) const;
int mapYToListView( int y ) const;
TQPoint mapToListView( const TQPoint &point ) const;
TQRect mapToListView( const TQRect &rect ) const;
virtual TQRect textRect() const;
virtual TQRect iconsRect() const;
virtual TQRect previewRect() const;
virtual void drawText( TQPainter *p, const TQColorGroup &cg, const TQRect &r );
virtual void drawIcons( TQPainter *p, const TQColorGroup &cg, const TQRect &r );
virtual void drawPreview( TQPainter *p, const TQColorGroup &cg, const TQRect &r );
bool multiline() const;
bool showPreview() const;
virtual TQFont font() const;
TQFontMetrics fontMetrics() const;
virtual bool mousePressEvent( TQMouseEvent *e );
virtual TQString tooltip() const;
virtual TQImage *previewImage() const;
virtual TQImage tooltipPreview() const;
private:
typedef KListViewItem super;
friend class LayerList;
friend class LayerToolTip;
class Private;
Private* const d;
void init();
public: //reimplemented for internal reasons
virtual int width( const TQFontMetrics &fm, const TQListView *lv, int c ) const;
virtual void paintCell( TQPainter *p, const TQColorGroup &cg, int column, int width, int align );
virtual void setup();
virtual void setSelected( bool selected );
};
class LayerFolder: public LayerItem
{
public:
LayerFolder( const TQString &displayName, LayerList *parent, LayerItem *after = 0, int id = -1 )
: LayerItem( displayName, parent, after, id ) { makeFolder(); }
LayerFolder( const TQString &displayName, LayerItem *parent, LayerItem *after = 0, int id = -1 )
: LayerItem( displayName, parent, after, id ) { makeFolder(); }
};
#endif
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