78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* SPDX-License-Identifier: BSD-3-Clause
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*****************************************************************************/
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#include <SkinnyShortcut.h>
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#include <QskAspect.h>
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#include <QskObjectCounter.h>
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#include <QskSimpleListBox.h>
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#include <QskWindow.h>
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#include <QskFunctions.h>
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#include <QFontMetricsF>
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#include <QGuiApplication>
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class ListBox : public QskSimpleListBox
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{
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public:
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ListBox()
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{
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setMargins( QMarginsF( 15, 10, 10, 10 ) );
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setAlternatingRowColors( true );
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// increasing the padding of each row: usually the job of the skin !
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setPaddingHint( Cell, QMargins( 10, 20, 10, 20 ) );
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populate();
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setSelectedRow( 5 );
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}
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private:
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void populate()
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{
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const int count = 10000;
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const QString format( "Row %1: The quick brown fox jumps over the lazy dog" );
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QStringList entries;
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entries.reserve( count );
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for ( int i = 0; i < count; i++ )
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{
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entries += format.arg( i + 1 );
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}
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// we know, that the last entry is the longest one and
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// can prevent the list box from having to find it out
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// the expensive way.
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const qreal maxWidth = qskHorizontalAdvance( effectiveFont( Cell ), entries.last() );
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setColumnWidthHint( 0, maxWidth );
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append( entries );
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}
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};
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int main( int argc, char* argv[] )
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{
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#ifdef ITEM_STATISTICS
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QskObjectCounter counter( true );
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#endif
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QGuiApplication app( argc, argv );
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SkinnyShortcut::enable( SkinnyShortcut::AllShortcuts );
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QskWindow window;
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window.setColor( "Silver" );
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window.addItem( new ListBox() );
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window.resize( 400, 600 );
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window.show();
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return app.exec();
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}
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