You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
286 lines
7.6 KiB
286 lines
7.6 KiB
/*****************************************************************
|
|
|
|
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 <tqlabel.h>
|
|
#include <tqfont.h>
|
|
#include <tqstringlist.h>
|
|
#include <tqpushbutton.h>
|
|
#include <tqhbox.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(TQWidget *tqparent, const TQString& configFile)
|
|
{
|
|
KGlobal::locale()->insertCatalogue("kmathapplet");
|
|
return new MathApplet(configFile, KPanelApplet::Stretch, 0, tqparent, "kmathapplet");
|
|
}
|
|
}
|
|
|
|
MathApplet::MathApplet(const TQString& configFile, Type type, int actions,
|
|
TQWidget *tqparent, const char *name)
|
|
: KPanelApplet(configFile, type, actions, tqparent, name),
|
|
m_hasFocus(false)
|
|
{
|
|
// setBackgroundMode(X11ParentRelative);
|
|
setBackgroundOrigin( AncestorOrigin );
|
|
// setup label
|
|
_label = new TQLabel(i18n("Evaluate:"), this);
|
|
TQFont f(_label->font());
|
|
f.setPixelSize(12);
|
|
// _label->setBackgroundMode(X11ParentRelative);
|
|
_label->setBackgroundOrigin( AncestorOrigin );
|
|
_label->setFixedHeight(14);
|
|
_label->setFont(f);
|
|
|
|
// setup popup button
|
|
_btn = new TQPushButton(this);
|
|
f = _btn->font();
|
|
f.setPixelSize(12);
|
|
_btn->setFont(f);
|
|
connect(_btn, TQT_SIGNAL(clicked()), TQT_SLOT(popup_combo()));
|
|
|
|
// setup history combo
|
|
_input = new KHistoryCombo(this);
|
|
_input->setFocus();
|
|
_input->clearEdit();
|
|
watchForFocus(_input->lineEdit());
|
|
connect(_input, TQT_SIGNAL(activated(const TQString&)),
|
|
TQT_SLOT(evaluate(const TQString&)));
|
|
|
|
initContextMenu();
|
|
useDegrees();
|
|
|
|
KConfig *c = config();
|
|
c->setGroup("General");
|
|
|
|
|
|
// restore history and completion list
|
|
TQStringList 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 TQHBox( 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, TQT_SLOT(useDegrees()), 0, 0, 0);
|
|
mContextMenu->insertItem(i18n("Use &Radians"), this, TQT_SLOT(useRadians()), 0, 1, 1);
|
|
setCustomMenu(mContextMenu);
|
|
}
|
|
|
|
|
|
MathApplet::~MathApplet()
|
|
{
|
|
KConfig *c = config();
|
|
c->setGroup("General");
|
|
|
|
// save history and completion list
|
|
TQStringList 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(TQResizeEvent*)
|
|
{
|
|
if(orientation() ==Qt::Horizontal)
|
|
{
|
|
_btn->hide();
|
|
_input->reparent(this, TQPoint(0,0), true);
|
|
_label->setGeometry(0,0, width(), _label->height());
|
|
|
|
if(height() >= _input->tqsizeHint().height() + _label->height())
|
|
{
|
|
int inputVOffset = height() - _input->tqsizeHint().height() - 2;
|
|
int labelHeight = _label->tqsizeHint().height();
|
|
_label->setGeometry(0, inputVOffset - labelHeight,
|
|
width(), labelHeight);
|
|
_input->setGeometry(0, inputVOffset,
|
|
width(), _input->tqsizeHint().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->tqsizeHint().height();
|
|
if (newHeight > height())
|
|
newHeight = height();
|
|
_input->setGeometry(0, (height() - newHeight) / 2,
|
|
width(), newHeight);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
_btn->show();
|
|
_btn->setFixedSize(width(), 22);
|
|
_input->reparent( _hbox, TQPoint(0, 0), false);
|
|
_label->hide();
|
|
}
|
|
setButtonText();
|
|
}
|
|
|
|
void MathApplet::positionChange(KPanelApplet::Position)
|
|
{
|
|
setButtonText();
|
|
}
|
|
|
|
void MathApplet::setButtonText()
|
|
{
|
|
TQString 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()
|
|
{
|
|
TQPoint p;
|
|
if (position() == pLeft)
|
|
p = mapToGlobal(TQPoint(-_input->width()-1, 0));
|
|
else
|
|
p = mapToGlobal(TQPoint(width()+1, 0));
|
|
_hbox->move(p);
|
|
_hbox->show();
|
|
_input->setFocus();
|
|
}
|
|
|
|
void MathApplet::evaluate(const TQString& command)
|
|
{
|
|
TQString exec;
|
|
|
|
Parser evaluator;
|
|
|
|
kapp->propagateSessionManager();
|
|
|
|
_input->addToHistory(command);
|
|
|
|
|
|
TQString 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) {
|
|
TQString ansAsString = TQString::number(answer);
|
|
_input->clearEdit();
|
|
_input->setEditText(ansAsString);
|
|
} else {
|
|
_input->removeFromHistory(_input->currentText());
|
|
needsFocus(true);
|
|
}
|
|
}
|
|
|
|
if (orientation() ==Qt::Vertical)
|
|
_hbox->hide();
|
|
}
|
|
|
|
void MathApplet::mousePressEvent(TQMouseEvent *e)
|
|
{
|
|
if ( e->button() != Qt::RightButton )
|
|
{
|
|
KPanelApplet::mousePressEvent( e );
|
|
return;
|
|
}
|
|
|
|
mContextMenu->exec(e->globalPos());
|
|
}
|