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123 lines
3.7 KiB
123 lines
3.7 KiB
/* This file is proposed to be part of the KDE base.
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* Copyright (C) 2003 Laur Ivan <laurivan@eircom.net>
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*
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* Many thanks to:
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* - Bernardo Hung <deciare@gta.igs.net> for the enhanced shadow
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* algorithm (currently used)
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* - Tim Jansen <tim@tjansen.de> for the API updates and fixes.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef TDEFILE_IVI_DESKTOP
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#define TDEFILE_IVI_DESKTOP
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#include <tqcolor.h>
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#include <tqpixmap.h>
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#include <tqimage.h>
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#include <tqstring.h>
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#include <tdefileivi.h>
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/*
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* The dither flags used to display the shadow image
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*/
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#define DITHER_FLAGS (Qt::DiffuseAlphaDither | Qt::ColorOnly | Qt::AvoidDither)
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class TQFont;
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class KShadowEngine;
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/**
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* This class replaces KFileIVI in the desktop only.
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* If the shadow object is NULL, then the class should behave almost identical
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* to its parent.
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* @since 3.2
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*/
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class KFileIVIDesktop : public KFileIVI
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{
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public:
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/**
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* Constructor. It replicates the KFileIVI constructor and adds an
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* optional shadow object.
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* @param iconview the parent (iconview)
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* @param fileitem the item theis object is supposed to draw
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* @param size the default size of the drawn object
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* @param shadow reference to the shadow object
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*/
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KFileIVIDesktop(KonqIconViewWidget *iconview, KFileItem* fileitem, int
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size, KShadowEngine *shadow = 0L);
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/**
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* Default destructor. Doesn't really do anything.
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*/
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~KFileIVIDesktop();
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protected:
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/**
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* Reimplements TDEIconView::calcRect to take the shadow metrics
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* into account
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*/
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virtual void calcRect( const TQString& _text );
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/**
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* Paints this item. Takes care of using the normal or alpha
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* blending methods depending on the configuration.
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* @param p the painter for drawing the item
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* @param cg the base color group
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*/
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virtual void paintItem(TQPainter *p, const TQColorGroup &cg);
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/**
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* Draws the shadow text.
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* @param p the painter for drawing the item
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* @param cg the base color group
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*/
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virtual void drawShadowedText(TQPainter *p, const TQColorGroup &cg);
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/**
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* Builds the shadow. As the algorithm is pretty slow (at pixel level),
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* This method is triggered only if the configuration has changed.
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* @param p the painter for drawing the item
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* @param align the shadow alignment
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* @param shadowColor the shadow color
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*/
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virtual TQImage *buildShadow(TQPainter *p, const int align, TQColor &shadowColor);
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protected:
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void setNormalImage(TQImage *newImage) { delete m_normalImage; m_normalImage = newImage; };
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void setSelectedImage(TQImage *newImage) { delete m_selectedImage; m_selectedImage = newImage; };
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TQImage *normalImage() { return m_normalImage; };
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TQImage *selectedImage() { return m_selectedImage; };
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private:
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bool shouldUpdateShadow(bool selected);
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int shadowThickness() const;
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KShadowEngine *m_shadow;
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TQImage *m_selectedImage;
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TQImage *m_normalImage;
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TQString oldText;
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unsigned long _selectedUID;
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unsigned long _normalUID;
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};
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#endif
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