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

1 files changed, 121 insertions, 0 deletions

diff --git a/kalzium/src/eqchemview.cpp b/kalzium/src/eqchemview.cpp
new file mode 100644
index 00000000..6b5a9476
--- /dev/null
+++ b/kalzium/src/eqchemview.cpp
@@ -0,0 +1,121 @@
+/***************************************************************************
+ *   Copyright (C) 2004, 2005 by Thomas Nagy                               *
+ *   tnagy2^8@yahoo.fr                                                     *
+ *                                                                         *
+ *   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 <qlayout.h>
+#include <qlabel.h>
+#include <qstring.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+#include <klineedit.h>
+#include <kpushbutton.h>
+#include <kiconloader.h>
+#include <kglobal.h>
+#include <kapplication.h>
+
+#include "config.h"
+#include "eqresult.h"
+#include "eqchemview.h"
+
+#include <stdlib.h>
+
+#ifdef HAVE_FACILE
+extern "C" {
+    char* solve_equation(const char *);
+}
+#endif
+
+#ifndef HAVE_FACILE
+char* solve_equation(const char *) { return NULL; }
+#endif
+
+eqchemView::eqchemView(QWidget *parent) : QWidget(parent)
+{
+    settingsChanged();
+
+    QGridLayout *l = new QGridLayout(this, 2, 2, 11, 6, "eqchemView::eqchemView layout");
+
+    m_eqResult = new EqResult(this);
+    m_eqedit = new KLineEdit(this);
+    m_eqclear = new KPushButton(this);
+
+    l->addMultiCellWidget(m_eqResult, 0, 0, 0, 1);
+    l->addWidget(m_eqedit, 1, 1);
+    l->addWidget(m_eqclear, 1, 0);
+
+    m_eqclear->setIconSet( KGlobal::instance()->iconLoader()->loadIconSet("locationbar_erase", 
+		KIcon::NoGroup, 22 /*KIcon::SizeSmallMedium*/) );
+
+    connect(m_eqclear, SIGNAL(clicked()), m_eqedit, SLOT(clear()) );
+}
+
+eqchemView::~eqchemView()
+{
+
+}
+
+void eqchemView::settingsChanged()
+{
+    // i18n : internationalization
+    emit signalChangeStatusbar( i18n("Settings changed") );
+}
+
+
+void eqchemView::clear()
+{
+    kdWarning()<<"eqchemView::clear"<<endl;
+
+    // clear the result window
+    m_eqResult->clear();
+}
+
+void eqchemView::compute()
+{
+    QString equation( m_eqedit->text() );
+    equation.replace("+", "+");
+    equation.replace("->", " -> ");
+    equation.append(" ");
+    equation.prepend(" ");
+    
+    char * result = solve_equation( equation.latin1() );
+    QString disp = QString(result);
+
+    // mem leak ?
+    free(result);
+
+    // add the equation in the result window
+    m_eqResult->add( equation, disp );
+}
+
+EQChemDialog::EQChemDialog( QWidget *parent )
+	: KDialogBase(parent, "EQChemDialog", true, i18n( "Solve Chemical Equations" ),
+			KDialogBase::Apply|KDialogBase::Close|KDialogBase::Help, KDialogBase::Apply, true )
+{
+}
+
+void EQChemDialog::slotHelp()
+{
+	emit helpClicked();
+	if ( kapp )
+		kapp->invokeHelp ( "eq_solver", "kalzium" );
+}
+
+#include "eqchemview.moc"
+