1 files changed, 109 insertions, 0 deletions
diff --git a/kcalc/kcalc_const_button.cpp b/kcalc/kcalc_const_button.cpp
new file mode 100644
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+++ b/kcalc/kcalc_const_button.cpp
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+/*
+    kCalculator, a simple scientific calculator for KDE
+
+    Copyright (C) 2003 Klaus Niederkrueger <kniederk@math.uni-koeln.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.
+
+    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 <qstring.h>
+
+
+#include <kcmenumngr.h>
+#include <kinputdialog.h>
+#include <kpopupmenu.h>
+
+#include "kcalc_const_button.h"
+#include "kcalc_const_menu.h"
+#include "kcalc_settings.h"
+
+
+KCalcConstButton::KCalcConstButton(QWidget *parent, int but_num, const char * name)
+  : KCalcButton(parent, name), _button_num(but_num)
+{
+  addMode(ModeInverse, "Store", i18n("Write display data into memory"));
+  
+  initPopupMenu();
+}
+
+
+KCalcConstButton::KCalcConstButton(const QString &label, QWidget *parent, int but_num,
+                                   const char * name, const QString &tooltip)
+  : KCalcButton(label, parent, name, tooltip), _button_num(but_num)
+{
+  addMode(ModeInverse, "Store", i18n("Write display data into memory"));
+  
+  initPopupMenu();
+}
+
+QString KCalcConstButton::constant(void) const
+{
+  return KCalcSettings::valueConstant(_button_num);
+}
+
+void KCalcConstButton::setLabelAndTooltip(void)
+{
+  QString new_label = QString("C") + QString().setNum(_button_num + 1);
+  QString new_tooltip;
+  
+  new_label = (KCalcSettings::nameConstant(_button_num).isNull() ? new_label : KCalcSettings::nameConstant(_button_num));
+  
+  new_tooltip = new_label + "=" + KCalcSettings::valueConstant(_button_num);
+  
+  addMode(ModeNormal, new_label, new_tooltip);
+}
+
+void KCalcConstButton::initPopupMenu(void)
+{
+  KCalcConstMenu *tmp_menu = new KCalcConstMenu(this);
+  
+  _popup = new KPopupMenu(this, "set const-cutton");
+  _popup->insertItem(i18n("Set Name"), 0);
+  _popup->insertItem(i18n("Choose From List"), tmp_menu, 1);
+  
+  connect(_popup, SIGNAL(activated(int)), SLOT(slotConfigureButton(int)));
+  connect(tmp_menu, SIGNAL(activated(int)), SLOT(slotChooseScientificConst(int)));
+
+  KContextMenuManager::insert(this, _popup);
+}
+
+void KCalcConstButton::slotConfigureButton(int option)
+{
+  if (option == 0)
+    {
+      bool yes_no;
+      QString input = KInputDialog::text(i18n("New Name for Constant"), i18n("New name:"),
+					 text(), &yes_no, this, "nameUserConstants-Dialog");
+      if(yes_no) {
+	KCalcSettings::setNameConstant(_button_num, input);
+	setLabelAndTooltip();
+      }
+    }
+}
+
+void KCalcConstButton::slotChooseScientificConst(int option)
+{
+  KCalcSettings::setValueConstant(_button_num,
+				  KCalcConstMenu::Constants[option].value);
+
+  KCalcSettings::setNameConstant(_button_num,
+				 KCalcConstMenu::Constants[option].label);
+  
+  setLabelAndTooltip();
+}
+
+#include "kcalc_const_button.moc"
+