1 files changed, 268 insertions, 0 deletions
diff --git a/krita/ui/layerlist.h b/krita/ui/layerlist.h
new file mode 100644
index 000000000..b981b266e
--- /dev/null
+++ b/krita/ui/layerlist.h
@@ -0,0 +1,268 @@
+/*
+  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 <qiconset.h>
+#include <klistview.h>
+
+class QMouseEvent;
+class QString;
+class KPopupMenu;
+class LayerItem;
+class LayerFolder;
+template<class T> class QPtrList;
+
+class LayerList: public KListView
+{
+    Q_OBJECT
+
+public:
+    LayerList( QWidget *parent = 0, const char *name = 0 );
+    virtual ~LayerList();
+
+    void addProperty( const QString &name, const QString &displayName, const QIconSet &icon = QIconSet(),
+                      bool defaultValue = false, bool validForFolders = true );
+    void addProperty( const QString &name, const QString &displayName, QPixmap enabled, QPixmap 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;
+
+    QValueList<LayerItem*> selectedLayers() const;
+    QValueList<int> selectedLayerIDs() const;
+
+    void makeFolder( int id );
+    bool isFolder( int id ) const;
+    QString displayName( int id ) const;
+    bool property( int id, const QString &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 QString &displayName );
+    void setLayerDisplayName( int id, const QString &displayName );
+
+    void setLayerProperty( LayerItem *layer, const QString &name, bool on );
+    void setLayerProperty( int id, const QString &name, bool on );
+
+    void toggleLayerProperty( LayerItem *layer, const QString &name );
+    void toggleLayerProperty( int id, const QString &name );
+
+    void setLayerPreviewImage( LayerItem *layer, QImage *image );
+    void setLayerPreviewImage( int id, QImage *image );
+
+    void layerPreviewChanged( LayerItem *layer );
+    void layerPreviewChanged( int id );
+
+    LayerItem *addLayer( const QString &displayName, LayerItem *after = 0, int id = -1 );
+    LayerItem *addLayer( const QString &displayName, int afterID, int id = -1 );
+
+    LayerItem *addLayerToParent( const QString &displayName, LayerItem *parent, LayerItem *after = 0, int id = -1 );
+    LayerItem *addLayerToParent( const QString &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 QString &displayName );
+    void displayNameChanged( int id, const QString &displayName );
+
+    void propertyChanged( LayerItem *layer, const QString &name, bool on );
+    void propertyChanged( int id, const QString &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( QValueList<LayerItem*> layers );
+    void requestRemoveLayers( QValueList<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( QListViewItem *item, const QString &text, int col );
+    void slotItemMoved( QPtrList<QListViewItem>&, QPtrList<QListViewItem>&, QPtrList<QListViewItem>& );
+    void showContextMenu();
+    void hideTip();
+    void maybeTip();
+
+public: //reimplemented for internal reasons
+    virtual void setCurrentItem( QListViewItem *i );
+
+protected:
+    virtual void contentsMousePressEvent( QMouseEvent *e );
+    virtual void contentsMouseDoubleClickEvent ( QMouseEvent *e );
+    virtual void findDrop( const QPoint &pos, QListViewItem *&parent, QListViewItem *&after );
+};
+
+class LayerItem: public KListViewItem
+{
+public:
+    LayerItem( const QString &displayName, LayerList *parent, LayerItem *after = 0, int id = -1 );
+    LayerItem( const QString &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;
+
+    QString displayName() const;
+    void setDisplayName( const QString &displayName );
+
+    bool isActive() const;
+    void setActive();
+
+    bool property( const QString &name ) const;
+    void setProperty( const QString &name, bool on );
+    void toggleProperty( const QString &name );
+
+    void setPreviewImage( QImage *image );
+    void previewChanged();
+
+    LayerItem *addLayer( const QString &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 QWidget::update()
+
+protected:
+    virtual QRect rect() const;
+
+    int    mapXFromListView( int x ) const;
+    int    mapYFromListView( int y ) const;
+    QPoint mapFromListView( const QPoint &point ) const;
+    QRect  mapFromListView( const QRect &rect ) const;
+
+    int    mapXToListView( int x ) const;
+    int    mapYToListView( int y ) const;
+    QPoint mapToListView( const QPoint &point ) const;
+    QRect  mapToListView( const QRect &rect ) const;
+
+    virtual QRect textRect() const;
+    virtual QRect iconsRect() const;
+    virtual QRect previewRect() const;
+
+    virtual void drawText( QPainter *p, const QColorGroup &cg, const QRect &r );
+    virtual void drawIcons( QPainter *p, const QColorGroup &cg, const QRect &r );
+    virtual void drawPreview( QPainter *p, const QColorGroup &cg, const QRect &r );
+
+    bool multiline() const;
+    bool showPreview() const;
+    virtual QFont font() const;
+    QFontMetrics fontMetrics() const;
+
+    virtual bool mousePressEvent( QMouseEvent *e );
+
+    virtual QString tooltip() const;
+
+    virtual QImage *previewImage() const;
+    virtual QImage 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 QFontMetrics &fm, const QListView *lv, int c ) const;
+    virtual void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int align );
+    virtual void setup();
+    virtual void setSelected( bool selected );
+};
+
+class LayerFolder: public LayerItem
+{
+public:
+    LayerFolder( const QString &displayName, LayerList *parent, LayerItem *after = 0, int id = -1 )
+        : LayerItem( displayName, parent, after, id ) { makeFolder(); }
+    LayerFolder( const QString &displayName, LayerItem *parent, LayerItem *after = 0, int id = -1 )
+        : LayerItem( displayName, parent, after, id ) { makeFolder(); }
+};
+
+
+#endif