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235 lines
9.0 KiB
235 lines
9.0 KiB
/***************************************************************************
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* Copyright (C) 2005 by Max Howell <max.howell@methylblue.com> *
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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 *
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* Free Software Foundation, Inc., *
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* 51 Franklin Steet, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef KDE_STATUSBAR_H
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#define KDE_STATUSBAR_H
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#include "progressBar.h" //convenience
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#include "amarok_export.h"
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#include <tqwidget.h> //baseclass
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#include <tqmap.h> //stack allocated
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#include <tqvaluelist.h> //stack allocated
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class TQLabel;
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class TQTimer;
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namespace KIO { class Job; }
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//TODO
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// * concept of a temporary message that is removed when a qobject parent is deleted
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namespace KDE
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{
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class OverlayWidget;
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typedef TQMap<const TQObject*, ProgressBar*> ProgressMap;
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/**
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* @class KDE::StatusBar
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* @short advanced statusBar
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* @author Max Howell <max.howell@methylblue.com>
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*
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* Like a normal TQStatusBar, but add widgets directly:
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*
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* new TQLabel( text, statusbar );
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*
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* The statusbar has some handy progress monitoring behaviour, use like so:
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*
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* statusbar->newProgressOperation( myObject )
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* .setDescription( i18n("MyProgressOperation") )
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* .setStatus( i18n("Stage1") )
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* .setAbortSlot( myObject, TQT_SLOT(abort()) )
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* .setTotalSteps( 100 );
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*
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* The newProgressOperation function returns a KDE::ProgressBar, which is
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* a TQProgressBar with some additional functions that return ProgressBar&,
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* so you can chain the mutators like above. @see KDE::ProgressBar
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*
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* After this point you can use setProgress( TQObject*, int steps ) to update
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* the progress for this progress operation. Only one progress operation per
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* TQObject!
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*
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* You can also follow KIO::Jobs, with built in error handling, and
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* ThreadManager::Jobs have built in thread-safe progress handling.
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*
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* You can show long status/error messages using longMessage(), these are
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* meant to be instead of showing an irritating, interuptory KMessageBox.
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*
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* Caveats:
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* This only looks sensible if the statusbar is at the bottom of the screen
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*
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* @see KDE::ProgressBar
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*/
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class StatusBar : public TQWidget
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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StatusBar( TQWidget *parent, const char *name = "mainStatusBar" );
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enum MessageType { Information, Question, Sorry, Warning, Error, ShowAgainCheckBox, None };
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/**
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* Start a progress operation, if owner is 0, the return value is
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* undefined - the application will probably crash.
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* @param owner controls progress for this operation
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* @return the progressBar so you can configure its parameters
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* @see setProgress( TQObject*, int )
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* @see incrementProgress( TQObject* )
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* @see setProgressStatus( const TQObject*, const TQString& )
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*/
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ProgressBar &newProgressOperation( TQObject *owner );
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/**
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* Monitor progress for a KIO::Job, very handy.
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*/
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ProgressBar &newProgressOperation( KIO::Job* );
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void incrementProgressTotalSteps( const TQObject *owner, int inc = 1 );
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void incrementProgress( const TQObject *owner );
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void setProgressStatus( const TQObject *owner, const TQString &text );
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public slots:
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/**
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* The statusbar has a region where you can display a mainMessage.
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* It persists after all other message-types are displayed
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*/
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void setMainText( const TQString &text );
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/// resets mainText if you've done a shortMessage
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void resetMainText();
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/**
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* Shows a non-invasive messgeBox style message that the user has to dismiss
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* but it doesn't interupt whatever he is doing at the current time.
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* Generally you should use these, as it is very easy for a user to not notice
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* statusBar messages.
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*/
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void longMessage( const TQString &text, int type = Information ) LIBAMAROK_EXPORT ;
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void longMessageThreadSafe( const TQString &text, int type = Information );
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/**
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* Shows a short message, with a button that can be pushed to show a long
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* message
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*/
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void shortLongMessage( const TQString &_short, const TQString &_long, int type = Information );
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/**
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* Set a temporary message over the mainText label, for 5 seconds.
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* ONLY USE FOR STATUS MESSAGES! ie "Buffering...", "Connecting to source..."
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*/
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void shortMessage( const TQString &text, bool longShort = false );
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/** Stop anticipating progress from sender() */
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void endProgressOperation();
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/** Stop anticipating progress from @param owner */
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void endProgressOperation( TQObject *owner );
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/**
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* Convenience function works like setProgress( TQObject*, int )
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* Uses the return value from sender() to determine the owner of
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* the progress bar in question
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*/
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void setProgress( int steps );
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void setProgress( const TQObject *owner, int steps );
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/**
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* Convenience function works like setTotalSteps( TQObject*, int )
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* Uses the return value from sender() to determine the owner of
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* the progress bar in question
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*/
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//void setTotalSteps( int totalSteps );
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/**
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* Convenience function works like incrementProgress( TQObject* )
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* Uses the return value from sender() to determine the owner of
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* the progress bar in question
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*/
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void incrementProgress();
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public slots:
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void toggleProgressWindow( bool show );
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void abortAllProgressOperations();
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private slots:
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/** For internal use against KIO::Jobs */
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void setProgress( KIO::Job*, unsigned long percent );
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void showMainProgressBar();
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void hideMainProgressBar();
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void updateProgressAppearance();
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void showShortLongDetails();
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void popupDeleted( TQObject* );
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protected:
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virtual void polish();
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virtual void customEvent( TQCustomEvent* );
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virtual void paintEvent( TQPaintEvent* );
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virtual bool event( TQEvent* );
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/**
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* You must parent the widget to the statusbar, we won't do that
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* for you! The widget will be added to the right of the layout.
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* Currently you must add widgets before the statusbar gets shown
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* for the first time, because we are not currently very flexible.
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*/
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void addWidget( TQWidget *widget );
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TQLabel *m_mainTextLabel;
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private:
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struct Message
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{
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Message() : type( KDE::StatusBar::None ), offset( 0 ) {}
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Message( const TQString &_text, const MessageType _type ) : text( _text ), type( _type ), offset( 0 ) {}
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TQString text;
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MessageType type;
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int offset;
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};
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void updateTotalProgress();
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bool allDone(); ///@return true if all progress operations are complete
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void pruneProgressBars(); /// deletes old progress bars
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void writeLogFile( const TQString &text );
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int m_logCounter;
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TQWidget *cancelButton() { return TQT_TQWIDGET( child( "cancelButton" ) ); }
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TQWidget *toggleProgressWindowButton() { return TQT_TQWIDGET( child( "showAllProgressDetails" ) ); }
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TQWidget *progressBox() { return TQT_TQWIDGET( child( "progressBox" ) ); }
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TQWidget *shortLongButton() { return TQT_TQWIDGET( child( "shortLongButton" ) ); }
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OverlayWidget *m_popupProgress;
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TQProgressBar *m_mainProgressBar;
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ProgressMap m_progressMap;
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TQValueList<TQWidget*> m_messageQueue;
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TQString m_mainText;
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TQString m_shortLongText;
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int m_shortLongType;
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TQLayout *m_otherWidgetLayout;
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};
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}
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#endif
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