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/kdeaddons@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 285 insertions, 0 deletions

diff --git a/kicker-applets/math/mathapplet.cpp b/kicker-applets/math/mathapplet.cpp
new file mode 100644
index 0000000..b4966b2
--- /dev/null
+++ b/kicker-applets/math/mathapplet.cpp
@@ -0,0 +1,285 @@
+/*****************************************************************
+
+Based on code 'Run' applet code, copyright (c) 2000 Matthias Elter <elter@kde.org>
+
+Modifications made by Andrew Coles, 2004 <andrew_coles@yahoo.co.uk>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+******************************************************************/
+
+#include <qlabel.h>
+#include <qfont.h>
+#include <qstringlist.h>
+#include <qpushbutton.h>
+#include <qhbox.h>
+
+#include <kapplication.h>
+#include <kglobal.h>
+#include <klocale.h>
+#include <kconfig.h>
+#include <kcombobox.h>
+#include <kurifilter.h>
+#include <kdialog.h>
+#include <krun.h>
+#include <kmessagebox.h>
+#include <kpopupmenu.h>
+
+#include "parser.h"
+
+
+
+#include "mathapplet.h"
+#include "mathapplet.moc"
+
+extern "C"
+{
+  KDE_EXPORT KPanelApplet* init(QWidget *parent, const QString& configFile)
+  {
+    KGlobal::locale()->insertCatalogue("kmathapplet");
+    return new MathApplet(configFile, KPanelApplet::Stretch, 0, parent, "kmathapplet");
+  }
+}
+
+MathApplet::MathApplet(const QString& configFile, Type type, int actions,
+                             QWidget *parent, const char *name)
+  : KPanelApplet(configFile, type, actions, parent, name),
+    m_hasFocus(false)
+{
+  //  setBackgroundMode(X11ParentRelative);
+    setBackgroundOrigin( AncestorOrigin );
+    // setup label
+    _label = new QLabel(i18n("Evaluate:"), this);
+    QFont f(_label->font());
+    f.setPixelSize(12);
+//    _label->setBackgroundMode(X11ParentRelative);
+    _label->setBackgroundOrigin( AncestorOrigin );
+    _label->setFixedHeight(14);
+    _label->setFont(f);
+
+    // setup popup button
+    _btn = new QPushButton(this);
+    f = _btn->font();
+    f.setPixelSize(12);
+    _btn->setFont(f);
+    connect(_btn, SIGNAL(clicked()), SLOT(popup_combo()));
+
+    // setup history combo
+    _input = new KHistoryCombo(this);
+    _input->setFocus();
+    _input->clearEdit();
+    watchForFocus(_input->lineEdit());
+    connect(_input, SIGNAL(activated(const QString&)),
+	    SLOT(evaluate(const QString&)));
+
+    initContextMenu();    
+    useDegrees();
+	    
+    KConfig *c = config();
+    c->setGroup("General");
+
+    
+    // restore history and completion list
+    QStringList list = c->readListEntry("Completion list");
+    _input->completionObject()->setItems(list);
+    list = c->readListEntry("History list");
+    _input->setHistoryItems(list);
+    int mode = c->readNumEntry( "CompletionMode", KGlobalSettings::completionMode() );
+    _input->setCompletionMode( (KGlobalSettings::Completion) mode );
+
+    _hbox = new QHBox( 0, 0, WStyle_Customize | WType_Popup );
+    _hbox->setFixedSize(120, 22);
+    
+    
+}
+
+void MathApplet::initContextMenu()
+{
+    mContextMenu = new KPopupMenu(this);
+    mContextMenu->setCheckable(true);
+    mContextMenu->insertItem(i18n("Use &Degrees"), this, SLOT(useDegrees()), 0, 0, 0);
+    mContextMenu->insertItem(i18n("Use &Radians"), this, SLOT(useRadians()), 0, 1, 1);
+    setCustomMenu(mContextMenu);
+}
+
+
+MathApplet::~MathApplet()
+{
+    KConfig *c = config();
+    c->setGroup("General");
+
+    // save history and completion list
+    QStringList list = _input->completionObject()->items();
+    c->writeEntry("Completion list", list);
+    list = _input->historyItems();
+    c->writeEntry("History list", list);
+    c->writeEntry( "CompletionMode", (int) _input->completionMode() );
+    c->sync();
+
+    KGlobal::locale()->removeCatalogue("kmathapplet");
+}
+
+void MathApplet::useDegrees() {
+
+	mContextMenu->setItemChecked(0, true);
+	mContextMenu->setItemChecked(1, false);
+	Parser dummy;
+	dummy.setAngleMode(1);
+}
+
+void MathApplet::useRadians() {
+	mContextMenu->setItemChecked(0, false);
+	mContextMenu->setItemChecked(1, true);
+	Parser dummy;
+	dummy.setAngleMode(0);
+}
+
+void MathApplet::resizeEvent(QResizeEvent*)
+{
+    if(orientation() == Horizontal)
+	{
+	    _btn->hide();
+	    _input->reparent(this, QPoint(0,0), true);
+	    _label->setGeometry(0,0, width(), _label->height());
+
+	    if(height() >= _input->sizeHint().height() + _label->height())
+		{
+                    int inputVOffset = height() - _input->sizeHint().height() - 2;
+                    int labelHeight = _label->sizeHint().height();
+		    _label->setGeometry(0, inputVOffset - labelHeight,
+                                        width(), labelHeight);
+		    _input->setGeometry(0, inputVOffset,
+					width(), _input->sizeHint().height());
+		    _label->show();
+		}
+	    else
+		{
+		    _label->hide();
+
+                    // make it as high as the combobox naturally wants to be
+                    // but no taller than the panel is!
+                    // don't forget to center it vertically either.
+                    int newHeight = _input->sizeHint().height();
+                    if (newHeight > height())
+                        newHeight = height();
+		    _input->setGeometry(0, (height() - newHeight) / 2,
+                                        width(), newHeight);
+		}
+	}
+    else
+	{
+	    _btn->show();
+	    _btn->setFixedSize(width(), 22);
+	    _input->reparent( _hbox, QPoint(0, 0), false);
+	    _label->hide();
+	}
+    setButtonText();
+}
+
+void MathApplet::positionChange(KPanelApplet::Position)
+{
+    setButtonText();
+}
+
+void MathApplet::setButtonText()
+{
+    QString t;
+
+    if (position() == pLeft)
+	{
+	    if (width() >= 42)
+		t = i18n("< Eval");
+	    else
+		t = "<";
+	}
+    else
+	{
+	    if(width() >= 42)
+		t = i18n("Eval >");
+	    else
+		t = ">";
+	}
+
+    _btn->setText(t);
+}
+
+int MathApplet::widthForHeight(int ) const
+{
+    return 110;
+}
+
+int MathApplet::heightForWidth(int ) const
+{
+    return 22;
+}
+
+void MathApplet::popup_combo()
+{
+    QPoint p;
+    if (position() == pLeft)
+	p = mapToGlobal(QPoint(-_input->width()-1, 0));
+    else
+	p = mapToGlobal(QPoint(width()+1, 0));
+    _hbox->move(p);
+    _hbox->show();
+    _input->setFocus();
+}
+
+void MathApplet::evaluate(const QString& command)
+{
+    QString exec;
+
+    Parser evaluator;
+    
+    kapp->propagateSessionManager();
+
+    _input->addToHistory(command);
+    
+
+    QString cmd = command;
+
+    // Nothing interesting. Quit!
+    if ( cmd.isEmpty() ){
+	KMessageBox::sorry(0L, i18n("You have to enter an expression to be evaluated first."));
+        needsFocus(true);
+    } else {
+    	double answer = evaluator.eval(command);
+	if (evaluator.errmsg() == 0) {
+		QString ansAsString = QString::number(answer);
+		_input->clearEdit();
+		_input->setEditText(ansAsString);
+	} else {
+		_input->removeFromHistory(_input->currentText());
+		needsFocus(true);
+	}
+    }
+    
+    if (orientation() == Vertical)
+	_hbox->hide();
+}
+
+void MathApplet::mousePressEvent(QMouseEvent *e)
+{
+    if ( e->button() != RightButton )
+    {
+        KPanelApplet::mousePressEvent( e );
+        return;
+    }
+
+    mContextMenu->exec(e->globalPos());
+}