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319 lines
9.1 KiB
319 lines
9.1 KiB
// -*- c++ -*-
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/* kasbar.h
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**
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** Copyright (C) 2001-2004 Richard Moore <rich@kde.org>
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** Contributor: Mosfet
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** All rights reserved.
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**
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** KasBar is dual-licensed: you can choose the GPL or the BSD license.
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** Short forms of both licenses are included below.
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*/
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/*
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program in a file called COPYING; if not, write to
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** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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** MA 02110-1301, USA.
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*/
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/*
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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** ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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** OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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** HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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** SUCH DAMAGE.
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*/
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/*
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** Bug reports and questions can be sent to kde-devel@kde.org
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*/
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// -*- c++ -*-
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#ifndef __KASBAR_H
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#define __KASBAR_H
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#include <tqwidget.h>
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#include <tqpoint.h>
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#include <tqptrlist.h>
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#include <tqlayout.h>
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#include "kasresources.h"
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class KRootPixmap;
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class KasItem;
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class KasResources;
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typedef TQPtrList<KasItem> KasItemList;
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/**
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* The main view for KasBar.
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*/
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class KDE_EXPORT KasBar : public QWidget
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{
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Q_OBJECT
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Q_PROPERTY( int maxBoxes READ maxBoxes )
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Q_PROPERTY( uint boxesPerLine READ boxesPerLine )
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Q_PROPERTY( Direction direction READ direction )
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Q_PROPERTY( Orientation orientation READ orientation )
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Q_PROPERTY( bool masked READ isMasked )
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Q_ENUMS( Direction )
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friend class KasItem;
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public:
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KasBar( Orientation o, TQWidget *parent=0, const char *name=0, WFlags f=0 );
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KasBar( Orientation o, KasBar *master,
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TQWidget* parent=0, const char* name=0, WFlags f=0 );
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virtual ~KasBar();
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typedef TQBoxLayout::Direction Direction;
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/** Returns true iff this is a top-level bar. This is unrelated to it being a top-level widget. */
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bool isTopLevel() const { return !master_; }
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/** Returns the bar from which this bar inherits its settings (or 0 if this is the top-level bar). */
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KasBar *master() const { return master_; }
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/** Creates a child bar of the kasbar. The child will inherit the appearance options. */
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virtual KasBar *createChildBar( Orientation o, TQWidget *parent, const char *name=0 );
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/** Factory method that returns the singleton resources object. */
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virtual KasResources *resources();
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/** Returns true iff we have a resources object. */
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bool hasResources() const { return (res ? true : false); }
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//
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// Item management
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//
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void append( KasItem *i );
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void insert( int index, KasItem *i );
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void remove( KasItem *i );
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void clear();
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KasItem *take( KasItem *i ) { return items.take( indexOf(i) ); }
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KasItem *itemAt( uint i ) { return items.at( i ); }
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int indexOf( KasItem *i ) { return items.find( i ); }
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KasItemList *itemList() { return &items; }
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//
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// Layout options.
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//
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/** The possible item sizes. */
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enum ItemSize { Enormous, Huge, Large, Medium, Small, Custom };
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int itemSize() const { return itemSize_; }
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int itemExtent() const { return itemExtent_; }
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/** The number of items in the bar. */
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unsigned int itemCount() const { return items.count(); }
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int maxBoxes() const { return maxBoxes_; }
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uint boxesPerLine() const { return boxesPerLine_; }
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void setOrientation( Orientation o );
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Orientation orientation() const { return orient; }
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void setDirection( Direction dir );
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Direction direction() const { return direction_; }
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bool isDetached() const { return detached; }
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TQPoint detachedPosition() const { return detachedPos; }
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bool isDrag() const { return inDrag; }
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TQSize sizeHint( Orientation, TQSize max );
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//
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// Look and feel options
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//
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bool isMasked() const { return useMask_; }
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/** Is transparency enabled? */
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bool isTransparent() const { return transparent_; }
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/** Is tinting enabled? */
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bool hasTint() const { return enableTint_; }
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/** Sets the amount and color of the tint. */
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void setTint( double amount, TQColor color );
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/** Sets the amount of tinting. */
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void setTintAmount( double amount ) { setTint( amount, tintColour_ ); }
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/** Get the amount of tinting. */
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double tintAmount() const { return tintAmount_; }
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/** Get the color of the tint. */
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TQColor tintColor() const { return tintColour_; }
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/** Returns true iff we will paint frames around inactive items. */
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bool paintInactiveFrames() const { return paintInactiveFrame_; }
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//
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// Utilities
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//
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void updateItem( KasItem *i );
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/** Redraws the specified item. */
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void repaintItem(KasItem *i, bool erase = true );
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/** Returns the item at p or 0. */
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KasItem* itemAt(const TQPoint &p);
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/** Get the position of the specified item. */
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TQPoint itemPos( KasItem *i );
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/** The item under the mouse pointer (or 0). */
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KasItem *itemUnderMouse() const { return itemUnderMouse_; }
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public slots:
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//
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// Layout slots
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//
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void setMaxBoxes( int count );
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void setBoxesPerLine( int count );
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void setItemSize( int size );
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void setItemExtent( int size );
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void setDetachedPosition( const TQPoint &pos );
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virtual void updateLayout();
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void updateMouseOver();
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void updateMouseOver( TQPoint pos );
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/** Enable or disable tinting. */
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void setTint( bool enable );
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/** Enable or disable transparency. */
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void setTransparent( bool enable );
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/** Set the color of the tint. */
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void setTintColor( const TQColor &c );
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/** Set the strength of the tint (as a percentage). */
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void setTintAmount( int percent );
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void setBackground( const TQPixmap &pix );
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void setMasked( bool mask );
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void setPaintInactiveFrames( bool enable );
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void toggleOrientation();
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void toggleDetached();
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void setDetached( bool detach );
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/** Rereads the configuration of the master Kasbar. */
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virtual void rereadMaster();
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virtual void addTestItems();
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signals:
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void detachedChanged( bool );
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void detachedPositionChanged( const TQPoint & );
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void dragStarted();
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void directionChanged();
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/** Emitted when kasbar wants to resize. This happens when a new window is added. */
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void layoutChanged();
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/** Emitted when the item size is changed. */
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void itemSizeChanged( int );
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void configChanged();
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protected:
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KRootPixmap *rootPixmap() const { return rootPix; }
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/** Displays the popup menus, hides/shows windows. */
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void mousePressEvent(TQMouseEvent *ev);
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/** Displays the popup menus, hides/shows windows. */
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void mouseReleaseEvent(TQMouseEvent *ev);
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/** Overridden to implement the mouse-over highlight effect. */
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void mouseMoveEvent(TQMouseEvent *ev);
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/** Overridden to implement the drag-over task switching. */
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void dragMoveEvent(TQDragMoveEvent *ev);
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/** Paints the background of the item to the painter. */
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void paintBackground( TQPainter *p, const TQRect &r );
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/** Calls the paint methods for the items in the rectangle specified by the event. */
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void paintEvent(TQPaintEvent *ev);
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/** Forces the widget to re-layout it's contents. */
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void resizeEvent(TQResizeEvent *ev);
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private:
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// Core data
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TQPixmap offscreen;
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KasBar *master_;
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KasItemList items;
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Orientation orient;
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Direction direction_;
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KasItem *itemUnderMouse_;
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uint boxesPerLine_;
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TQPoint pressPos;
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bool inDrag;
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bool detached;
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int maxBoxes_;
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int itemSize_;
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int itemExtent_;
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TQPoint detachedPos;
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bool paintInactiveFrame_;
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// Implements pseudo-transparency
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bool transparent_;
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KPixmap bg;
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KRootPixmap *rootPix;
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bool enableTint_;
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double tintAmount_;
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TQColor tintColour_;
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bool useMask_;
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// Look and feel resources
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KasResources *res;
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};
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#endif
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