summaryrefslogtreecommitdiffstats
path: root/kview/modules/scale/kfloatspinbox.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'kview/modules/scale/kfloatspinbox.cpp')
-rw-r--r--kview/modules/scale/kfloatspinbox.cpp116
1 files changed, 116 insertions, 0 deletions
diff --git a/kview/modules/scale/kfloatspinbox.cpp b/kview/modules/scale/kfloatspinbox.cpp
new file mode 100644
index 00000000..e5ce8465
--- /dev/null
+++ b/kview/modules/scale/kfloatspinbox.cpp
@@ -0,0 +1,116 @@
+/* This file is part of the KDE project
+ Copyright (C) 2002 Matthias Kretz <kretz@kde.org>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License version 2
+ as published by the Free Software Foundation.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+*/
+
+// $Id$
+
+#include "kfloatspinbox.h"
+
+#if defined(QT_ACCESSIBILITY_SUPPORT)
+#include <qaccessible.h>
+#endif
+
+#include <knumvalidator.h>
+#include <klocale.h>
+#include <kglobal.h>
+#include <kdebug.h>
+
+int pow( int a, int b )
+{
+ int ret = 1;
+ for( int i = 0; i < b; ++i )
+ ret *= a;
+ return ret;
+}
+
+KFloatSpinBox::KFloatSpinBox( float minValue, float maxValue, float step, unsigned int precision, QWidget * parent, const char * name )
+ : QSpinBox( parent, name )
+ , m_doselection( true )
+{
+ setRange( minValue, maxValue, step, precision );
+ connect( this, SIGNAL( valueChanged( int ) ), this, SLOT( slotValueChanged( int ) ) );
+}
+
+KFloatSpinBox::~KFloatSpinBox()
+{
+}
+
+void KFloatSpinBox::setRange( float minValue, float maxValue, float step, unsigned int precision )
+{
+ m_factor = pow( 10, precision );
+ m_min = (int)( minValue * m_factor );
+ m_max = (int)( maxValue * m_factor );
+ m_step = (int)( step * m_factor );
+ QSpinBox::setRange( m_min, m_max );
+ setSteps( m_step, m_step * 10 );
+ if( precision == 0 )
+ setValidator( new KIntValidator( m_min, m_max, this, 10, "KFloatValidator::KIntValidator" ) );
+ else
+ setValidator( new KFloatValidator( minValue, maxValue, true, this, "KFloatSpinBox::KFloatValidator" ) );
+}
+
+float KFloatSpinBox::value() const
+{
+ float ret = (float)QSpinBox::value() / m_factor;
+ kdDebug( 4630 ) << ret << endl;
+ return ret;
+}
+
+void KFloatSpinBox::setValue( float value )
+{
+ QSpinBox::setValue( (int)( value * m_factor ) );
+}
+
+void KFloatSpinBox::setValueBlocking( float value )
+{
+ m_doselection = false;
+ blockSignals( true );
+ KFloatSpinBox::setValue( value );
+ blockSignals( false );
+ m_doselection = true;
+}
+
+QString KFloatSpinBox::mapValueToText( int value )
+{
+ return KGlobal::locale()->formatNumber( (float)value / (float)m_factor, 4 );
+}
+
+int KFloatSpinBox::mapTextToValue( bool * ok )
+{
+ return (int)( m_factor * KGlobal::locale()->readNumber( text(), ok ) );
+}
+
+void KFloatSpinBox::valueChange()
+{
+ if( m_doselection )
+ QSpinBox::valueChange();
+ else
+ {
+ updateDisplay();
+ emit valueChanged( value() );
+#if defined(QT_ACCESSIBILITY_SUPPORT)
+ QAccessible::updateAccessibility( this, 0, QAccessible::ValueChanged );
+#endif
+ }
+}
+
+void KFloatSpinBox::slotValueChanged( int )
+{
+ emit valueChanged( value() );
+}
+
+#include "kfloatspinbox.moc"