From ce599e4f9f94b4eb00c1b5edb85bce5431ab3df2 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/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 kbruch/src/resultwidget.cpp | 90 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 kbruch/src/resultwidget.cpp

(limited to 'kbruch/src/resultwidget.cpp')

diff --git a/kbruch/src/resultwidget.cpp b/kbruch/src/resultwidget.cpp
new file mode 100644
index 00000000..bc9fb285
--- /dev/null
+++ b/kbruch/src/resultwidget.cpp
@@ -0,0 +1,90 @@
+/***************************************************************************
+                          resultwidget.h  -  paint the result
+                             -------------------
+    begin                : 2004/05/30
+    copyright            : (C) 2004 by Sebastian Stein
+    email                : seb.kde@hpfsc.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "resultwidget.h"
+#include "resultwidget.moc"
+
+/* these includes are needed for Qt support */
+#include <qpainter.h>
+
+#include "settingsclass.h"
+
+ResultWidget::ResultWidget(QWidget * parent = 0, const char * name = 0,
+													const ratio para_result = *new ratio()) :
+			FractionBaseWidget(parent, name), m_result(para_result)
+{
+#ifdef DEBUG
+	kdDebug() << "constructor ResultWidget" << endl;
+#endif
+}
+
+ResultWidget::~ResultWidget()
+{
+#ifdef DEBUG
+	kdDebug() << "destructor ResultWidget" << endl;
+#endif
+}
+
+void ResultWidget::setResult(const ratio para_result)
+{
+	m_result = para_result;
+	update();
+}
+
+void ResultWidget::paintEvent(QPaintEvent* /* p_paintEvent */)
+{
+	// our x position, we paint from left to right;
+	// we don't want to start directly on the border, so add the margin
+	int old_x = _MARGIN_X;
+
+	// start the painter
+	QPainter paint(this);
+
+	// ratios and operation signs are painted with the same font
+	paint.setFont(m_font);
+
+	// set the pen for painting
+	QPen pen(Qt::SolidLine);
+	pen.setWidth(0);
+	paint.setPen(pen);
+
+	// get the font height; the font height doesn't change while painting
+	QFontMetrics fm(paint.fontMetrics());
+
+	// now we can correctly set the height of the widget
+	setMinimumHeight(2 * fm.lineSpacing() + 10);
+	setMaximumHeight(2 * fm.lineSpacing() + 10);
+
+	// result as normal ratio
+	paintMiddle(paint, QString("="), old_x, fm, m_colorOperation);
+	paintRatio(paint, m_result, old_x, fm, false);
+
+	if (SettingsClass::showSpecialRatioNotation() == true && QABS(m_result.numerator()) >= QABS(m_result.denominator()))
+	{
+		// result as mixed number
+		paintMiddle(paint, QString("="), old_x, fm, m_colorOperation);
+		paintRatio(paint, m_result, old_x, fm, true);
+	}
+
+	// stop the painter
+	paint.end();
+
+	// the space we needed for painting is the minimum width of the widget
+	setMinimumWidth(old_x);
+
+	return;
+}
-- 
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