From ce4a32fe52ef09d8f5ff1dd22c001110902b60a2 Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 kdeprint/marginvaluewidget.cpp | 126 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 kdeprint/marginvaluewidget.cpp

(limited to 'kdeprint/marginvaluewidget.cpp')

diff --git a/kdeprint/marginvaluewidget.cpp b/kdeprint/marginvaluewidget.cpp
new file mode 100644
index 000000000..87be3f7e3
--- /dev/null
+++ b/kdeprint/marginvaluewidget.cpp
@@ -0,0 +1,126 @@
+/*
+ *  This file is part of the KDE libraries
+ *  Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library 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
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ **/
+
+#include "marginvaluewidget.h"
+
+#include <math.h>
+
+MarginValueWidget::MarginValueWidget(KNumInput *below, double value, QWidget *parent, const char *name)
+: KDoubleNumInput(below, value, parent, name)
+{
+	m_mode = Pixels;
+	m_block = false;
+	setPrecision(0);
+	m_dpi = 72.0;
+	m_margin = ( float )value;
+	setMode(m_mode);
+	setRange(0, 999, 1, false);
+	connect(this, SIGNAL(valueChanged(double)), SLOT(slotValueChanged(double)));
+}
+
+float MarginValueWidget::margin()
+{
+	// Force synchronization
+	m_margin = toPixel(value(), m_mode);
+	return m_margin;
+}
+
+void MarginValueWidget::setMargin(float m)
+{
+	m_margin = m;
+	double	v = toValue(m, m_mode);
+	m_block = true;
+	setValue(v);
+	m_block = false;
+	emit marginChanged( m_margin );
+}
+
+float MarginValueWidget::toPixel(double value, int mode)
+{
+	switch (mode)
+	{
+		default:
+		case Pixels: return (float)value;
+		case IN: return (float)(value * m_dpi);
+		case CM: return (float)(value * m_dpi / 2.54);
+		case MM: return (float)(value * m_dpi / 25.4);
+	}
+}
+
+double MarginValueWidget::toValue(float pix, int mode)
+{
+	switch (mode)
+	{
+		default:
+		case Pixels:
+			return (double)pix;
+		case IN:
+			return (double(pix) / m_dpi);
+		case CM:
+			return (double(pix) * 2.54 / m_dpi);
+		case MM:
+			return ( double( pix ) * 25.4 / m_dpi );
+	}
+}
+
+void MarginValueWidget::slotValueChanged(double v)
+{
+	if (!m_block)
+	{
+		m_margin = toPixel( v, m_mode );
+		emit marginChanged(margin());
+	}
+}
+
+void MarginValueWidget::setMode(int m)
+{
+	if (m != m_mode)
+	{
+		m_block = true;
+		m_mode = m;
+		double v = toValue(m_margin, m);
+		if (m == Pixels)
+		{
+			setPrecision(0);
+			setRange(0.0, 999.0, 1.0, false);
+		}
+		else
+		{
+			setPrecision(3);
+			setRange(0.0, 999.0, 0.01, false);
+		}
+		setValue(v);
+		m_block = false;
+	}
+}
+
+void MarginValueWidget::setResolution(int dpi)
+{
+	m_dpi = dpi;
+	m_block = true;
+	setMargin(m_margin);
+	m_block = false;
+}
+
+int MarginValueWidget::resolution() const
+{
+	return (int)(m_dpi+0.5);
+}
+
+#include "marginvaluewidget.moc"
-- 
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