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113 lines
3.3 KiB
113 lines
3.3 KiB
/**
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* Copyright (C) 2003, Luís Pedro Coelho
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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; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef DISPLAYOPTIONS_H
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#define DISPLAYOPTIONS_H
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#include <tqstring.h>
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#include <tqvaluelist.h>
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#include "dscparse_adapter.h"
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#include <kdemacros.h>
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class TDECmdLineArgs;
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class TDEConfig;
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class TDE_EXPORT DisplayOptions
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{
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public:
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DisplayOptions();
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// default generated DisplayOptions(const DisplayOptions&);
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// default generated ~DisplayOptions();
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// default generated DisplayOptions& operator = (const DisplayOptions&);
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void reset() { *this = DisplayOptions(); }
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void restoreOverrideOrientation() { setOverrideOrientation( CDSC_ORIENT_UNKNOWN ); }
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void setOverrideOrientation(CDSC_ORIENTATION_ENUM e) { _overrideOrientation = e; }
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CDSC_ORIENTATION_ENUM overrideOrientation() const { return _overrideOrientation; }
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void restoreOverridePageMedia() { _overridePageMedia = TQString(); }
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void setOverridePageMedia(const TQString& newMedia) { _overridePageMedia = newMedia; }
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const TQString& overridePageMedia() const { return _overridePageMedia; }
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/**
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* The current page.
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* Note that the pages here are 0-based, although the user should see 1-based pages.
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*
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* In parsing cmdline-args, we transform --page=1 into setPage( 0 );
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*/
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int page() const { return _page; }
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void setPage( int newPage ) { _page = newPage; }
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double magnification() const;
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void setMagnification( double );
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/**
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* Goes to the next degree of magnification if possible. If we cannot zoom in any more, it returns false,
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* leaving the magnification untouched.
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*/
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bool zoomIn();
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bool zoomOut();
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bool canZoomIn() const;
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bool canZoomOut() const;
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/**
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* Parses command line options.
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*/
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static DisplayOptions parse ( TDECmdLineArgs * );
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/**
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* Transforms the object in a string representation.
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* Useful for storing in config files, for example.
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*
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* \return string representation or null on error.
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*
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* \sa fromString
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*/
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static TQString toString( const DisplayOptions& );
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/**
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* Reads the display options from a string formatted by toString.
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*
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* \return true if the convertion succeeded.
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*/
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static bool fromString( DisplayOptions&, const TQString& );
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/**
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* Returns a list of values that normally we can get through
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* zoomIn() & zoomOut()
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*/
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static TQValueList<double> normalMagnificationValues();
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private:
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unsigned closestIndex() const;
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CDSC_ORIENTATION_ENUM _overrideOrientation;
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TQString _overridePageMedia;
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int _page;
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double _magnification;
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};
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inline
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DisplayOptions::DisplayOptions()
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:_overrideOrientation( CDSC_ORIENT_UNKNOWN ),
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_overridePageMedia ( TQString() ),
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_page( 0 )
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{
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setMagnification( 1.0 );
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}
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#endif // DISPLAYOPTIONS_H
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