Added abandoned KDE3 version of katapult

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/katapult@1084407 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 161 insertions, 0 deletions

diff --git a/katapult/plugins/catalogs/calculatorcatalog/actionevalexpr.cpp b/katapult/plugins/catalogs/calculatorcatalog/actionevalexpr.cpp
new file mode 100644
index 0000000..2a786f9
--- /dev/null
+++ b/katapult/plugins/catalogs/calculatorcatalog/actionevalexpr.cpp
@@ -0,0 +1,161 @@
+/***************************************************************************
+ *   Copyright (C) 2005  Tobi Vollebregt                                   *
+ *   tobivollebregt@gmail.com                                              *
+ *                                                                         *
+ *   Copyright (C) 2005 by Joe Ferris                                      *
+ *   jferris@optimistictech.com                                            *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   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.             *
+ ***************************************************************************/
+
+#include <kapplication.h>
+#include <kglobal.h>
+#include <kiconloader.h>
+#include <krun.h>
+#include <kurl.h>
+#include <klocale.h>
+
+#include <qclipboard.h>
+
+#include "calculatorcatalog.h"
+#include "expression.h"
+#include "katapultitem.h"
+#include "actionevalexpr.h"
+
+
+// Conditional compilation to not bloat the lib if
+// KDE already has the following functions.
+// Prevents a deprecated function warning too.
+
+#if !KDE_IS_VERSION(3, 5, 0)
+
+// Copied some code from KDE 3.5 to make it compile on 3.4.
+
+// insert (thousands)-"separator"s into the non-fractional part of str
+static void _insertSeparator(QString &str, const QString &separator, const QString &decimalSymbol)
+{
+	// leave fractional part untouched
+	QString mainPart = str.section(decimalSymbol, 0, 0);
+	QString fracPart = str.section(decimalSymbol, 1, 1, QString::SectionIncludeLeadingSep);
+	if (fracPart==decimalSymbol) fracPart=QString();
+	for (int pos = mainPart.length() - 3; pos > 0; pos -= 3)
+		mainPart.insert(pos, separator);
+	str = mainPart + fracPart;
+}
+
+// This was KLocale::formatNumber(const QString&, bool, int)
+
+static QString formatNumber(const QString &numStr)
+{
+	QString tmpString = numStr;
+
+	// Skip the sign (for now)
+	bool neg = (tmpString[0] == '-');
+	if (neg  ||  tmpString[0] == '+') tmpString.remove(0, 1);
+
+	// Split off exponential part (including 'e'-symbol)
+	QString mantString = tmpString.section('e', 0, 0, QString::SectionCaseInsensitiveSeps);
+	QString expString = tmpString.section('e', 1, 1, QString::SectionCaseInsensitiveSeps | QString::SectionIncludeLeadingSep);
+	if (expString.length()==1) expString=QString();
+
+	// Replace dot with locale decimal separator
+	mantString.replace(QChar('.'), KGlobal::locale()->decimalSymbol());
+
+	// Insert the thousand separators
+	_insertSeparator(mantString, KGlobal::locale()->thousandsSeparator(), KGlobal::locale()->decimalSymbol());
+
+	// How can we know where we should put the sign?
+	mantString.prepend(neg?KGlobal::locale()->negativeSign():KGlobal::locale()->positiveSign());
+
+	return mantString +  expString;
+}
+
+#else
+// KDE_VERSION >= 3.5.0
+
+static QString formatNumber(const QString& numStr)
+{
+	return KGlobal::locale()->formatNumber(numStr, false, 0);
+}
+
+#endif
+
+
+ActionEvaluateExpression::ActionEvaluateExpression()
+	: KatapultAction(), _expr(0)
+{
+}
+
+ActionEvaluateExpression::~ActionEvaluateExpression()
+{
+}
+
+QString ActionEvaluateExpression::text() const
+{
+	if (_expr->parseError()) {
+		return i18n("Evaluate Expression");
+	} else {
+		// Format result.
+		int digits = _expr->catalog()->fracDigits();
+		QChar f = _expr->catalog()->scientific() ? 'g' : 'f';
+		QString num = QString::number(_expr->result(), f, digits);
+		// Strip trailing zeroes.
+		if (f == 'f' && digits != 0) {
+			while (num.endsWith("0")) {
+				num = num.left(num.length() - 1);
+			}
+			if (num.endsWith(".")) {
+				num = num.left(num.length() - 1);
+			}
+		}
+		// Localize (choose right implementation based on KDE version, see above).
+		return formatNumber(num);
+	}
+}
+
+QPixmap ActionEvaluateExpression::icon(int size) const
+{
+	return KGlobal::iconLoader()->loadIcon("xcalc", KIcon::NoGroup, size);
+}
+
+bool ActionEvaluateExpression::accepts(const KatapultItem* item) const
+{
+	bool accept = strcmp(item->className(), "Expression") == 0;
+	if (accept) {
+		_expr = (const Expression*)item;
+	}
+	return accept;
+}
+
+void ActionEvaluateExpression::execute(const KatapultItem* item) const
+{
+	if (strcmp(item->className(), "Expression") == 0) {
+		_expr = (const Expression*)item;
+
+		//evaluate expression with assignments enabled
+		_expr->evaluate(true);
+
+		// Copy calculation and result into clipboard (unless there's a parse error).
+		if (!_expr->parseError()) {
+			QClipboard *cb = QApplication::clipboard();
+			QString s = _expr->catalog()->formatString();
+			s.replace("%1", _expr->text());
+			s.replace("%2", text());
+			cb->setText(s, QClipboard::Clipboard);
+			cb->setText(s, QClipboard::Selection);
+		}
+	}
+}