diff options
Diffstat (limited to 'qtjava/javalib/examples/listbox')
| -rw-r--r-- | qtjava/javalib/examples/listbox/ListBoxDemo.java | 190 | ||||
| -rw-r--r-- | qtjava/javalib/examples/listbox/Main.java | 30 |
2 files changed, 220 insertions, 0 deletions
diff --git a/qtjava/javalib/examples/listbox/ListBoxDemo.java b/qtjava/javalib/examples/listbox/ListBoxDemo.java new file mode 100644 index 00000000..60eecffc --- /dev/null +++ b/qtjava/javalib/examples/listbox/ListBoxDemo.java @@ -0,0 +1,190 @@ +/*************************************************************************** +* $Id$ +** +* Copyright (C) 1992-2000 Trolltech AS. All rights reserved. +** +* This file is part of an example program for Qt. This example +* program may be used, distributed and modified without limitation. +** +****************************************************************************/ + +import org.kde.qt.*; + + + +class ListBoxDemo extends QWidget +{ + +private QListBox l; +private QSpinBox columns; +private QSpinBox rows; +private QButtonGroup bg; + + +ListBoxDemo() +{ + super( null, null ); + QGridLayout g = new QGridLayout( this, 2, 2, 6 ); + + g.addWidget( new QLabel( "<b>Configuration:</b>", this ), 0, 0 ); + g.addWidget( new QLabel( "<b>Result:</b>", this ), 0, 1 ); + + l = new QListBox( this ); + g.addWidget( l, 1, 1 ); + l.setFocusPolicy( QWidget.StrongFocus ); + + QVBoxLayout v = new QVBoxLayout(); + g.addLayout( v, 1, 0 ); + + QRadioButton b = null; + bg = new QButtonGroup( (QWidget) null ); + + b = new QRadioButton( "Fixed number of columns,\n" + + "as many rows as needed.", + this ); + bg.insert( b ); + v.addWidget( b ); + b.setChecked( true ); + connect( b, SIGNAL("clicked()"), this, SLOT("setNumCols()") ); + QHBoxLayout h = new QHBoxLayout(); + v.addLayout( h ); + h.addSpacing( 30 ); + h.addSpacing( 100 ); + h.addWidget( new QLabel( "Columns:", this ) ); + columns = new QSpinBox( this ); + h.addWidget( columns ); + + v.addSpacing( 12 ); + + b = new QRadioButton( "As many columns as fit on-screen,\n" + + "as many rows as needed.", + this ); + bg.insert( b ); + v.addWidget( b ); + connect( b, SIGNAL("clicked()"), this, SLOT("setColsByWidth()") ); + + v.addSpacing( 12 ); + + b = new QRadioButton( "Fixed number of rows,\n" + + "as many columns as needed.", + this ); + bg.insert( b ); + v.addWidget( b ); + connect( b, SIGNAL("clicked()"), this, SLOT("setNumRows()") ); + h = new QHBoxLayout(); + v.addLayout( h ); + h.addSpacing( 30 ); + h.addSpacing( 100 ); + h.addWidget( new QLabel( "Rows:", this ) ); + rows = new QSpinBox( this ); + rows.setEnabled( false ); + h.addWidget( rows ); + + v.addSpacing( 12 ); + + b = new QRadioButton( "As many rows as fit on-screen,\n" + + "as many columns as needed.", + this ); + bg.insert( b ); + v.addWidget( b ); + connect( b, SIGNAL("clicked()"), this, SLOT("setRowsByHeight()") ); + + v.addSpacing( 12 ); + + QCheckBox cb = new QCheckBox( "Variable-height rows", this ); + cb.setChecked( true ); + connect( cb, SIGNAL("toggled(boolean)"), this, SLOT("setVariableHeight(boolean)") ); + v.addWidget( cb ); + v.addSpacing( 6 ); + + cb = new QCheckBox( "Variable-width columns", this ); + connect( cb, SIGNAL("toggled(boolean)"), this, SLOT("setVariableWidth(boolean)") ); + v.addWidget( cb ); + + cb = new QCheckBox( "Extended-Selection", this ); + connect( cb, SIGNAL("toggled(boolean)"), this, SLOT("setMultiSelection(boolean)") ); + v.addWidget( cb ); + + QPushButton pb = new QPushButton( "Sort ascending", this ); + connect( pb, SIGNAL(" clicked()"), this, SLOT(" sortAscending()") ); + v.addWidget( pb ); + + pb = new QPushButton( "Sort descending", this ); + connect( pb, SIGNAL(" clicked()"), this, SLOT(" sortDescending()") ); + v.addWidget( pb ); + + v.addStretch( 100 ); + + int i = 0; + while( ++i <= 2560 ) + l.insertItem( "Item " + i, + i ); + columns.setRange( 1, 256 ); + columns.setValue( 1 ); + rows.setRange( 1, 256 ); + rows.setValue( 256 ); + + connect( columns, SIGNAL("valueChanged(int)"), this, SLOT("setNumCols()") ); + connect( rows, SIGNAL("valueChanged(int)"), this, SLOT("setNumRows()") ); +} + + +void setNumRows() +{ + columns.setEnabled( false ); + rows.setEnabled( true ); + l.setRowMode( rows.value() ); +} + + +void setNumCols() +{ + columns.setEnabled( true ); + rows.setEnabled( false ); + l.setColumnMode( columns.value() ); +} + + +void setRowsByHeight() +{ + columns.setEnabled( false ); + rows.setEnabled( false ); + l.setRowMode( QListBox.FitToHeight ); +} + + +void setColsByWidth() +{ + columns.setEnabled( false ); + rows.setEnabled( false ); + l.setColumnMode( QListBox.FitToWidth ); +} + + +void setVariableWidth( boolean b ) +{ + l.setVariableWidth( b ); +} + + +void setVariableHeight( boolean b ) +{ + l.setVariableHeight( b ); +} + +void setMultiSelection( boolean b ) +{ + l.clearSelection(); + l.setSelectionMode( b ? QListBox.Extended : QListBox.Single ); +} + +void sortAscending() +{ + l.sort( true ); +} + +void sortDescending() +{ + l.sort( false ); +} +} diff --git a/qtjava/javalib/examples/listbox/Main.java b/qtjava/javalib/examples/listbox/Main.java new file mode 100644 index 00000000..ff21a95f --- /dev/null +++ b/qtjava/javalib/examples/listbox/Main.java @@ -0,0 +1,30 @@ +/*************************************************************************** +* $Id$ +** +* Copyright (C) 1992-2000 Trolltech AS. All rights reserved. +** +* This file is part of an example program for Qt. This example +* program may be used, distributed and modified without limitation. +** +****************************************************************************/ +import org.kde.qt.*; + +public class Main { + +public static void main(String[] args) +{ + QApplication a = new QApplication( args ); + + ListBoxDemo t = new ListBoxDemo(); + t.setCaption( "Qt Example - Listbox" ); + a.setMainWidget( t ); + t.show(); + + a.exec(); + return; +} + + static { + qtjava.initialize(); + } +} |