1 files changed, 269 insertions, 0 deletions
diff --git a/chalk/ui/layerlist.h b/chalk/ui/layerlist.h
new file mode 100644
index 00000000..129baa7c
--- /dev/null
+++ b/chalk/ui/layerlist.h
@@ -0,0 +1,269 @@
+/*
+  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
+  TQ_OBJECT
+
+public:
+    LayerList( TQWidget *tqparent = 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 *tqparent, LayerItem *after = 0, int id = -1 );
+    LayerItem *addLayerToParent( const TQString &displayName, int tqparentID, int afterID = -1, int id = -1 );
+
+    void moveLayer( LayerItem *layer, LayerItem *tqparent, LayerItem *after );
+    void moveLayer( int id, int tqparentID, 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 *tqparent, LayerItem *after );
+    void layerMoved( int id, int tqparentID, int afterID );
+
+    void requestNewLayer( LayerItem *tqparent, LayerItem *after );
+    void requestNewLayer( int tqparentID, int afterID );
+
+    void requestNewFolder( LayerItem *tqparent, LayerItem *after );
+    void requestNewFolder( int tqparentID, 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 *&tqparent, TQListViewItem *&after );
+};
+
+class LayerItem: public KListViewItem
+{
+public:
+    LayerItem( const TQString &displayName, LayerList *tqparent, LayerItem *after = 0, int id = -1 );
+    LayerItem( const TQString &displayName, LayerItem *tqparent, 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 tqcontains(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 *tqparent() 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 *tqparent, LayerItem *after = 0, int id = -1 )
+        : LayerItem( displayName, tqparent, after, id ) { makeFolder(); }
+    LayerFolder( const TQString &displayName, LayerItem *tqparent, LayerItem *after = 0, int id = -1 )
+        : LayerItem( displayName, tqparent, after, id ) { makeFolder(); }
+};
+
+
+#endif