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kde-extraapps/kcalc/kcalc.cpp
Ivailo Monev 7af8047900 generic: remove dead and irrelevant links references 
svn repository reference? good luck getting source code from there..

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2023-08-10 16:01:25 +03:00

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/*
Copyright (C) 2001 - 2013 Evan Teran
evan.teran@gmail.com
Copyright (C) 2006 Michel Marti
mma@objectxp.com
Copyright (C) 1996 - 2000 Bernd Johannes Wuebben
wuebben@kde.org
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, see <http://www.gnu.org/licenses/>.
*/
#include "kcalc.h"
#include <clocale>
#include <QApplication>
#include <QCursor>
#include <QtGui/qevent.h>
#include <QShortcut>
#include <QStyle>
#include <QMenuBar>
#include <kaboutdata.h>
#include <kacceleratormanager.h>
#include <kaction.h>
#include <kactioncollection.h>
#include <kapplication.h>
#include <kbuttongroup.h>
#include <kcmdlineargs.h>
#include <kcolorbutton.h>
#include <kcolormimedata.h>
#include <kconfig.h>
#include <kconfigdialog.h>
#include <kdialog.h>
#include <kglobal.h>
#include <kglobalsettings.h>
#include <kmenu.h>
#include <knumvalidator.h>
#include <kpushbutton.h>
#include <kstandardaction.h>
#include <kstatusbar.h>
#include <ktoggleaction.h>
#include <ktoolbar.h>
#include <kxmlguifactory.h>
#include "kcalc_bitset.h"
#include "kcalc_const_menu.h"
#include "kcalc_settings.h"
#include "kcalcdisplay.h"
#include "version.h"
namespace {
const char description[] = I18N_NOOP("KDE Calculator");
const char version[] = KCALCVERSION;
const int maxprecision = 1000;
}
//------------------------------------------------------------------------------
// Name: KCalculator
// Desc: constructor
//------------------------------------------------------------------------------
KCalculator::KCalculator(QWidget *parent) :
KXmlGuiWindow(parent),
shift_mode_(false),
hyp_mode_(false),
memory_num_(0.0),
constants_menu_(0),
constants_(0),
core() {
// central widget to contain all the elements
QWidget *const central = new QWidget(this);
central->setLayoutDirection(Qt::LeftToRight);
setCentralWidget(central);
KAcceleratorManager::setNoAccel(central);
// load science constants_ from xml-file
KCalcConstMenu::init_consts();
// setup interface (order is critical)
setupUi(central);
setupMainActions();
setupStatusbar();
createGUI();
setupKeys();
toolBar()->hide(); // hide by default
// create button groups
base_choose_group_ = new QButtonGroup(this);
base_choose_group_->setExclusive(true);
base_choose_group_->addButton(hexRadio, HexMode);
base_choose_group_->addButton(decRadio, DecMode);
base_choose_group_->addButton(octRadio, OctMode);
base_choose_group_->addButton(binRadio, BinMode);
connect(base_choose_group_, SIGNAL(buttonClicked(int)),
SLOT(slotBaseSelected(int)));
angle_choose_group_ = new QButtonGroup(this);
angle_choose_group_->setExclusive(true);
angle_choose_group_->addButton(degRadio, DegMode);
angle_choose_group_->addButton(radRadio, RadMode);
angle_choose_group_->addButton(gradRadio, GradMode);
connect(angle_choose_group_, SIGNAL(buttonClicked(int)),
SLOT(slotAngleSelected(int)));
// additional menu setup
constants_menu_ = createConstantsMenu();
menuBar()->insertMenu((menuBar()->actions)()[2], constants_menu_);
// misc setup
setColors();
setFonts();
// Show the result in the app's caption in taskbar (wishlist - bug #52858)
if (KCalcSettings::captionResult() == true) {
connect(calc_display, SIGNAL(changedText(QString)), SLOT(setCaption(QString)));
}
calc_display->changeSettings();
setPrecision();
updateGeometry();
setFixedSize(minimumSize());
updateDisplay(UPDATE_FROM_CORE);
// misc settings
KCalcSettings::EnumCalculatorMode::type calculatorMode = KCalcSettings::calculatorMode();
switch (calculatorMode) {
case KCalcSettings::EnumCalculatorMode::science:
action_mode_science_->setChecked(true);
break;
case KCalcSettings::EnumCalculatorMode::statistics:
action_mode_statistic_->setChecked(true);
break;
case KCalcSettings::EnumCalculatorMode::numeral:
action_mode_numeral_->setChecked(true);
break;
case KCalcSettings::EnumCalculatorMode::simple:
default:
action_mode_simple_->setChecked(true);
}
setAngle();
setBase();
// connections
connect(KGlobalSettings::self(), SIGNAL(kdisplayPaletteChanged()), SLOT(setColors()));
connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()), SLOT(setFonts()));
calc_display->setFocus();
}
//------------------------------------------------------------------------------
// Name: ~KCalculator
// Desc: deconstructor
//------------------------------------------------------------------------------
KCalculator::~KCalculator() {
KCalcSettings::self()->writeConfig();
}
//------------------------------------------------------------------------------
// Name: setupMainActions
// Desc: connects all of the basic actions
//------------------------------------------------------------------------------
void KCalculator::setupMainActions() {
// file menu
KStandardAction::quit(this, SLOT(close()), actionCollection());
// edit menu
KStandardAction::undo(calc_display, SLOT(slotHistoryBack()), actionCollection());
KStandardAction::redo(calc_display, SLOT(slotHistoryForward()), actionCollection());
KStandardAction::cut(calc_display, SLOT(slotCut()), actionCollection());
KStandardAction::copy(calc_display, SLOT(slotCopy()), actionCollection());
KStandardAction::paste(calc_display, SLOT(slotPaste()), actionCollection());
// mode menu
QActionGroup *modeGroup = new QActionGroup(this);
action_mode_simple_ = actionCollection()->add<KToggleAction>(QLatin1String("mode_simple"));
action_mode_simple_->setActionGroup(modeGroup);
action_mode_simple_->setText(i18n("Simple Mode"));
connect(action_mode_simple_, SIGNAL(toggled(bool)), SLOT(slotSetSimpleMode()));
action_mode_science_ = actionCollection()->add<KToggleAction>(QLatin1String("mode_science"));
action_mode_science_->setActionGroup(modeGroup);
action_mode_science_->setText(i18n("Science Mode"));
connect(action_mode_science_, SIGNAL(toggled(bool)), SLOT(slotSetScienceMode()));
action_mode_statistic_ = actionCollection()->add<KToggleAction>(QLatin1String("mode_statistics"));
action_mode_statistic_->setActionGroup(modeGroup);
action_mode_statistic_->setText(i18n("Statistic Mode"));
connect(action_mode_statistic_, SIGNAL(toggled(bool)), SLOT(slotSetStatisticMode()));
action_mode_numeral_ = actionCollection()->add<KToggleAction>(QLatin1String("mode_numeral"));
action_mode_numeral_->setActionGroup(modeGroup);
action_mode_numeral_->setText(i18n("Numeral System Mode"));
connect(action_mode_numeral_, SIGNAL(toggled(bool)), SLOT(slotSetNumeralMode()));
// settings menu
action_constants_show_ = actionCollection()->add<KToggleAction>(QLatin1String("show_constants"));
action_constants_show_->setText(i18n("Constants &Buttons"));
action_constants_show_->setChecked(true);
connect(action_constants_show_, SIGNAL(toggled(bool)), SLOT(slotConstantsShow(bool)));
action_bitset_show_ = actionCollection()->add<KToggleAction>(QLatin1String("show_bitset"));
action_bitset_show_->setText(i18n("Show B&it Edit"));
action_bitset_show_->setChecked(true);
connect(action_bitset_show_, SIGNAL(toggled(bool)), SLOT(slotBitsetshow(bool)));
KStandardAction::preferences(this, SLOT(showSettings()), actionCollection());
KStandardAction::keyBindings(guiFactory(), SLOT(configureShortcuts()), actionCollection());
}
//------------------------------------------------------------------------------
// Name: createConstantsMenu
// Desc: creates and returns a pointer to the constant menu
//------------------------------------------------------------------------------
KCalcConstMenu *KCalculator::createConstantsMenu() {
KCalcConstMenu *const menu = new KCalcConstMenu(i18n("&Constants"), this);
connect(menu, SIGNAL(triggeredConstant(science_constant)), this, SLOT(slotConstantToDisplay(science_constant)));
return menu;
}
//------------------------------------------------------------------------------
// Name: setupStatusbar
// Desc: sets up the status bar with default text
//------------------------------------------------------------------------------
void KCalculator::setupStatusbar() {
// Status bar contents
statusBar()->insertPermanentFixedItem(QLatin1String(" NORM "), ShiftField);
statusBar()->setItemAlignment(ShiftField, Qt::AlignCenter);
statusBar()->insertPermanentFixedItem(QLatin1String(" HEX "), BaseField);
statusBar()->setItemAlignment(BaseField, Qt::AlignCenter);
statusBar()->insertPermanentFixedItem(QLatin1String(" DEG "), AngleField);
statusBar()->setItemAlignment(AngleField, Qt::AlignCenter);
statusBar()->insertPermanentFixedItem(QLatin1String(" \xa0\xa0 "), MemField); // nbsp
statusBar()->setItemAlignment(MemField, Qt::AlignCenter);
}
//------------------------------------------------------------------------------
// Name: setupNumberKeys
// Desc: sets up number keys and related shortcuts
//------------------------------------------------------------------------------
void KCalculator::setupNumberKeys() {
num_button_group_ = new QButtonGroup(this);
connect(num_button_group_, SIGNAL(buttonClicked(int)), SLOT(slotNumberclicked(int)));
num_button_group_->addButton(pb0, 0);
num_button_group_->addButton(pb1, 1);
num_button_group_->addButton(pb2, 2);
num_button_group_->addButton(pb3, 3);
num_button_group_->addButton(pb4, 4);
num_button_group_->addButton(pb5, 5);
num_button_group_->addButton(pb6, 6);
num_button_group_->addButton(pb7, 7);
num_button_group_->addButton(pb8, 8);
num_button_group_->addButton(pb9, 9);
num_button_group_->addButton(pbA, 0xA);
num_button_group_->addButton(pbB, 0xB);
num_button_group_->addButton(pbC, 0xC);
num_button_group_->addButton(pbD, 0xD);
num_button_group_->addButton(pbE, 0xE);
num_button_group_->addButton(pbF, 0xF);
connect(this, SIGNAL(switchShowAccels(bool)), pb0, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pb1, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pb2, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pb3, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pb4, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pb5, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pb6, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pb7, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pb8, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pb9, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pbA, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pbB, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pbC, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pbD, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pbE, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pbF, SLOT(slotSetAccelDisplayMode(bool)));
}
//------------------------------------------------------------------------------
// Name: setupRightKeypad
// Desc: sets up right keypad keys and related shortcuts
//------------------------------------------------------------------------------
void KCalculator::setupRightKeypad() {
connect(pbShift, SIGNAL(toggled(bool)), SLOT(slotShifttoggled(bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pbShift, SLOT(slotSetAccelDisplayMode(bool)));
pbBackspace->setShortcut(QKeySequence(Qt::Key_Backspace));
new QShortcut(Qt::Key_PageUp, pbBackspace, SLOT(animateClick()));
connect(pbBackspace, SIGNAL(clicked()), SLOT(slotBackspaceclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbBackspace, SLOT(slotSetAccelDisplayMode(bool)));
pbClear->setShortcut(QKeySequence(Qt::Key_Escape));
new QShortcut(Qt::Key_PageUp, pbClear, SLOT(animateClick()));
connect(pbClear, SIGNAL(clicked()), SLOT(slotClearclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbClear, SLOT(slotSetAccelDisplayMode(bool)));
pbAllClear->setShortcut(QKeySequence(Qt::Key_Delete));
new QShortcut(Qt::Key_PageDown, pbAllClear, SLOT(animateClick()));
connect(pbAllClear, SIGNAL(clicked()), SLOT(slotAllClearclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbAllClear, SLOT(slotSetAccelDisplayMode(bool)));
pbParenOpen->setShortcut(QKeySequence(Qt::Key_ParenLeft));
connect(pbParenOpen, SIGNAL(clicked()), SLOT(slotParenOpenclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbParenOpen, SLOT(slotSetAccelDisplayMode(bool)));
pbParenClose->setShortcut(QKeySequence(Qt::Key_ParenRight));
connect(pbParenClose, SIGNAL(clicked()), SLOT(slotParenCloseclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbParenClose, SLOT(slotSetAccelDisplayMode(bool)));
pbMemRecall->setDisabled(true); // nothing in memory at start
connect(pbMemRecall, SIGNAL(clicked()), SLOT(slotMemRecallclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbMemRecall, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbMemClear, SIGNAL(clicked()), SLOT(slotMemClearclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbMemClear, SLOT(slotSetAccelDisplayMode(bool)));
pbMemPlusMinus->addMode(ModeNormal, i18nc("Add display to memory", "M+"), i18n("Add display to memory"));
pbMemPlusMinus->addMode(ModeShift, i18nc("Subtract from memory", "M\xe2\x88\x92"), i18n("Subtract from memory"));
connect(pbMemPlusMinus, SIGNAL(clicked()), SLOT(slotMemPlusMinusclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbMemPlusMinus, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbMemPlusMinus, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbMemStore, SIGNAL(clicked()), SLOT(slotMemStoreclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbMemStore, SLOT(slotSetAccelDisplayMode(bool)));
pbPercent->setShortcut(QKeySequence(Qt::Key_Percent));
connect(pbPercent, SIGNAL(clicked()), SLOT(slotPercentclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbPercent, SLOT(slotSetAccelDisplayMode(bool)));
pbPlusMinus->setShortcut(QKeySequence(Qt::Key_Backslash));
connect(pbPlusMinus, SIGNAL(clicked()), SLOT(slotPlusMinusclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbPlusMinus, SLOT(slotSetAccelDisplayMode(bool)));
}
//------------------------------------------------------------------------------
// Name: setupNumericKeypad
// Desc: sets up numeric keys and related shortcuts
//------------------------------------------------------------------------------
void KCalculator::setupNumericKeypad() {
pbCube->addMode(ModeNormal, i18nc("Third power", "x<sup>3</sup>"), i18n("Third power"));
pbCube->addMode(ModeShift, QLatin1String("<sup>3</sup>&radic;x"), i18n("Cube root"));
connect(pbCube, SIGNAL(clicked()), SLOT(slotCubeclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbCube, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbCube, SLOT(slotSetMode(ButtonModeFlags,bool)));
pbDivision->setShortcut(QKeySequence(Qt::Key_Slash));
new QShortcut(Qt::Key_division, pbDivision, SLOT(animateClick()));
connect(pbDivision, SIGNAL(clicked()), SLOT(slotDivisionclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbDivision, SLOT(slotSetAccelDisplayMode(bool)));
pbMultiplication->setShortcut(QKeySequence(Qt::Key_Asterisk));
new QShortcut(Qt::Key_X, pbMultiplication, SLOT(animateClick()));
new QShortcut(Qt::Key_multiply, pbMultiplication, SLOT(animateClick()));
connect(pbMultiplication, SIGNAL(clicked()), SLOT(slotMultiplicationclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbMultiplication, SLOT(slotSetAccelDisplayMode(bool)));
pbMinus->setShortcut(QKeySequence(Qt::Key_Minus));
connect(pbMinus, SIGNAL(clicked()), SLOT(slotMinusclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbMinus, SLOT(slotSetAccelDisplayMode(bool)));
pbPlus->setShortcut(QKeySequence(Qt::Key_Plus));
connect(pbPlus, SIGNAL(clicked()), SLOT(slotPlusclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbPlus, SLOT(slotSetAccelDisplayMode(bool)));
const QString decimalPoint = KGlobal::locale()->toLocale().decimalPoint();
pbPeriod->setText(decimalPoint);
pbPeriod->setShortcut(decimalPoint);
// TODO: is this needed? the above line look slike it should do the right thing?
/*
if (decimalPoint == QLatin1String(".")) {
new QShortcut(Qt::Key_Comma, pbPeriod, SLOT(animateClick()));
} else if (decimalPoint == QLatin1String(",")) {
new QShortcut(Qt::Key_Period, pbPeriod, SLOT(animateClick()));
}
*/
connect(pbPeriod, SIGNAL(clicked()), SLOT(slotPeriodclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbPeriod, SLOT(slotSetAccelDisplayMode(bool)));
pbEqual->setShortcut(QKeySequence(Qt::Key_Enter));
new QShortcut(Qt::Key_Equal, pbEqual, SLOT(animateClick()));
new QShortcut(Qt::Key_Return, pbEqual, SLOT(animateClick()));
connect(pbEqual, SIGNAL(clicked()), SLOT(slotEqualclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbEqual, SLOT(slotSetAccelDisplayMode(bool)));
}
//------------------------------------------------------------------------------
// Name: setupLogicKeys
// Desc: sets up logic keys and related shortcuts
//------------------------------------------------------------------------------
void KCalculator::setupLogicKeys() {
logic_buttons_.append(pbAND);
logic_buttons_.append(pbOR);
logic_buttons_.append(pbXOR);
logic_buttons_.append(pbLsh);
logic_buttons_.append(pbRsh);
logic_buttons_.append(pbCmp);
pbAND->setShortcut(QKeySequence(Qt::Key_Ampersand));
connect(this, SIGNAL(switchShowAccels(bool)), pbAND, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbAND, SIGNAL(clicked()), SLOT(slotANDclicked()));
pbOR->setShortcut(QKeySequence(Qt::Key_Bar));
connect(this, SIGNAL(switchShowAccels(bool)), pbOR, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbOR, SIGNAL(clicked()), SLOT(slotORclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbXOR, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbXOR, SIGNAL(clicked()), SLOT(slotXORclicked()));
pbLsh->setShortcut(QKeySequence(Qt::Key_Less));
connect(this, SIGNAL(switchShowAccels(bool)), pbLsh, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbLsh, SIGNAL(clicked()), SLOT(slotLeftShiftclicked()));
pbRsh->setShortcut(QKeySequence(Qt::Key_Greater));
connect(this, SIGNAL(switchShowAccels(bool)), pbRsh, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbRsh, SIGNAL(clicked()), SLOT(slotRightShiftclicked()));
pbCmp->setShortcut(QKeySequence(Qt::Key_AsciiTilde));
connect(this, SIGNAL(switchShowAccels(bool)), pbCmp, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbCmp, SIGNAL(clicked()), SLOT(slotNegateclicked()));
}
//------------------------------------------------------------------------------
// Name: setupLogicKeys
// Desc: sets up scientific keys and related shortcuts
//------------------------------------------------------------------------------
void KCalculator::setupScientificKeys() {
scientific_buttons_.append(pbHyp);
scientific_buttons_.append(pbSin);
scientific_buttons_.append(pbCos);
scientific_buttons_.append(pbTan);
scientific_buttons_.append(pbLog);
scientific_buttons_.append(pbLn);
connect(this, SIGNAL(switchShowAccels(bool)), pbHyp, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbHyp, SIGNAL(toggled(bool)), SLOT(slotHyptoggled(bool)));
pbSin->addMode(ModeNormal, i18nc("Sine", "Sin"), i18n("Sine"));
pbSin->addMode(ModeShift, i18nc("Arc sine", "Asin"), i18n("Arc sine"));
pbSin->addMode(ModeHyperbolic, i18nc("Hyperbolic sine", "Sinh"), i18n("Hyperbolic sine"));
pbSin->addMode(ButtonModeFlags(ModeShift | ModeHyperbolic), i18nc("Inverse hyperbolic sine", "Asinh"), i18n("Inverse hyperbolic sine"));
connect(this, SIGNAL(switchShowAccels(bool)), pbSin, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbSin, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbSin, SIGNAL(clicked()), SLOT(slotSinclicked()));
pbCos->addMode(ModeNormal, i18nc("Cosine", "Cos"), i18n("Cosine"));
pbCos->addMode(ModeShift, i18nc("Arc cosine", "Acos"), i18n("Arc cosine"));
pbCos->addMode(ModeHyperbolic, i18nc("Hyperbolic cosine", "Cosh"), i18n("Hyperbolic cosine"));
pbCos->addMode(ButtonModeFlags(ModeShift | ModeHyperbolic), i18nc("Inverse hyperbolic cosine", "Acosh"), i18n("Inverse hyperbolic cosine"));
connect(this, SIGNAL(switchShowAccels(bool)), pbCos, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbCos, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbCos, SIGNAL(clicked()), SLOT(slotCosclicked()));
pbTan->addMode(ModeNormal, i18nc("Tangent", "Tan"), i18n("Tangent"));
pbTan->addMode(ModeShift, i18nc("Arc tangent", "Atan"), i18n("Arc tangent"));
pbTan->addMode(ModeHyperbolic, i18nc("Hyperbolic tangent", "Tanh"), i18n("Hyperbolic tangent"));
pbTan->addMode(ButtonModeFlags(ModeShift | ModeHyperbolic), i18nc("Inverse hyperbolic tangent", "Atanh"), i18n("Inverse hyperbolic tangent"));
connect(this, SIGNAL(switchShowAccels(bool)), pbTan, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbTan, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbTan, SIGNAL(clicked()), SLOT(slotTanclicked()));
pbLog->addMode(ModeNormal, i18nc("Logarithm to base 10", "Log"), i18n("Logarithm to base 10"));
pbLog->addMode(ModeShift, i18nc("10 to the power of x", "10<sup>x</sup>"), i18n("10 to the power of x"));
connect(this, SIGNAL(switchShowAccels(bool)), pbLog, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbLog, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbLog, SIGNAL(clicked()), SLOT(slotLogclicked()));
pbLn->addMode(ModeNormal, i18nc("Natural log", "Ln"), i18n("Natural log"));
pbLn->addMode(ModeShift, i18nc("Exponential function", "e<sup>x</sup>"), i18n("Exponential function"));
connect(this, SIGNAL(switchShowAccels(bool)), pbLn, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbLn, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbLn, SIGNAL(clicked()), SLOT(slotLnclicked()));
}
//------------------------------------------------------------------------------
// Name: setupStatisticKeys
// Desc: sets up statistical keys and related shortcuts
//------------------------------------------------------------------------------
void KCalculator::setupStatisticKeys() {
stat_buttons_.append(pbNData);
stat_buttons_.append(pbMean);
stat_buttons_.append(pbSd);
stat_buttons_.append(pbMed);
stat_buttons_.append(pbDat);
stat_buttons_.append(pbCSt);
pbNData->addMode(ModeNormal, i18nc("Number of data entered", "N"), i18n("Number of data entered"));
pbNData->addMode(ModeShift, QString::fromUtf8("\xce\xa3") + QLatin1Char('x'), i18n("Sum of all data items"));
connect(this, SIGNAL(switchShowAccels(bool)), pbNData, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbNData, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbNData, SIGNAL(clicked()), SLOT(slotStatNumclicked()));
pbMean->addMode(ModeNormal, i18nc("Mean", "Mea"), i18n("Mean"));
pbMean->addMode(ModeShift, QString::fromUtf8("\xce\xa3") + QLatin1String("x<sup>2</sup>"), i18n("Sum of all data items squared"));
connect(this, SIGNAL(switchShowAccels(bool)), pbMean, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbMean, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbMean, SIGNAL(clicked()), SLOT(slotStatMeanclicked()));
pbSd->addMode(ModeNormal, QString::fromUtf8("\xcf\x83") + QLatin1String("<sub>N</sub>"), i18n("Standard deviation"));
pbSd->addMode(ModeShift, QString::fromUtf8("\xcf\x83") + QLatin1String("<sub>N-1</sub>"), i18n("Sample standard deviation"));
connect(this, SIGNAL(switchShowAccels(bool)), pbSd, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbSd, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbSd, SIGNAL(clicked()), SLOT(slotStatStdDevclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbMed, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbMed, SIGNAL(clicked()), SLOT(slotStatMedianclicked()));
pbDat->addMode(ModeNormal, i18nc("Enter data", "Dat"), i18n("Enter data"));
pbDat->addMode(ModeShift, i18nc("Delete last data item", "CDat"), i18n("Delete last data item"));
connect(this, SIGNAL(switchShowAccels(bool)), pbDat, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbDat, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbDat, SIGNAL(clicked()), SLOT(slotStatDataInputclicked()));
connect(this, SIGNAL(switchShowAccels(bool)), pbCSt, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbCSt, SIGNAL(clicked()), SLOT(slotStatClearDataclicked()));
}
//------------------------------------------------------------------------------
// Name: setupConstantsKeys
// Desc: sets up constants keys and related shortcuts
//------------------------------------------------------------------------------
void KCalculator::setupConstantsKeys() {
const_buttons_.append(pbC1);
const_buttons_.append(pbC2);
const_buttons_.append(pbC3);
const_buttons_.append(pbC4);
const_buttons_.append(pbC5);
const_buttons_.append(pbC6);
pbC1->setButtonNumber(0);
connect(this, SIGNAL(switchShowAccels(bool)), pbC1, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbC1, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbC1, SIGNAL(clicked(int)), this, SLOT(slotConstclicked(int)));
pbC2->setButtonNumber(1);
connect(this, SIGNAL(switchShowAccels(bool)), pbC2, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbC2, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbC2, SIGNAL(clicked(int)), this, SLOT(slotConstclicked(int)));
pbC3->setButtonNumber(2);
connect(this, SIGNAL(switchShowAccels(bool)), pbC3, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbC3, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbC3, SIGNAL(clicked(int)), this, SLOT(slotConstclicked(int)));
pbC4->setButtonNumber(3);
connect(this, SIGNAL(switchShowAccels(bool)), pbC4, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbC4, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbC4, SIGNAL(clicked(int)), this, SLOT(slotConstclicked(int)));
pbC5->setButtonNumber(4);
connect(this, SIGNAL(switchShowAccels(bool)), pbC5, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbC5, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbC5, SIGNAL(clicked(int)), this, SLOT(slotConstclicked(int)));
pbC6->setButtonNumber(5);
connect(this, SIGNAL(switchShowAccels(bool)), pbC6, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbC6, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbC6, SIGNAL(clicked(int)), this, SLOT(slotConstclicked(int)));
changeButtonNames();
}
//------------------------------------------------------------------------------
// Name: setupMiscKeys
// Desc: sets up misc keys and related shortcuts
//------------------------------------------------------------------------------
void KCalculator::setupMiscKeys() {
pbMod->addMode(ModeNormal, i18nc("Modulo", "Mod"), i18n("Modulo"));
pbMod->addMode(ModeShift, i18nc("Integer division", "IntDiv"), i18n("Integer division"));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbMod, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pbMod, SLOT(slotSetAccelDisplayMode(bool)));
pbMod->setShortcut(QKeySequence(Qt::Key_Colon));
connect(pbMod, SIGNAL(clicked()), SLOT(slotModclicked()));
pbReci->addMode(ModeNormal, i18nc("Reciprocal", "1/x"), i18n("Reciprocal"));
pbReci->addMode(ModeShift, i18nc("n Choose m", "nCm"), i18n("n Choose m"));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbReci, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(this, SIGNAL(switchShowAccels(bool)), pbReci, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbReci, SIGNAL(clicked()), SLOT(slotReciclicked()));
pbFactorial->addMode(ModeNormal, i18nc("Factorial", "x!"), i18n("Factorial"));
pbFactorial->addMode(ModeShift, QLatin1String("&#915;"), i18n("Gamma"));
pbFactorial->setShortcut(QKeySequence(Qt::Key_Exclam));
connect(this, SIGNAL(switchShowAccels(bool)), pbFactorial, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbFactorial, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbFactorial, SIGNAL(clicked()), SLOT(slotFactorialclicked()));
pbSquare->addMode(ModeNormal, i18nc("Square", "x<sup>2</sup>"), i18n("Square"));
pbSquare->addMode(ModeShift, QLatin1String("&radic;x"), i18n("Square root"));
pbSquare->setShortcut(QKeySequence(Qt::Key_BracketLeft));
new QShortcut(Qt::Key_twosuperior, pbSquare, SLOT(animateClick()));
connect(this, SIGNAL(switchShowAccels(bool)), pbSquare, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbSquare, SLOT(slotSetMode(ButtonModeFlags,bool)));
connect(pbSquare, SIGNAL(clicked()), SLOT(slotSquareclicked()));
pbPower->addMode(ModeNormal, i18nc("x to the power of y", "x<sup>y</sup>"), i18n("x to the power of y"));
pbPower->addMode(ModeShift, i18nc("x to the power of 1/y", "x<sup>1/y</sup>"), i18n("x to the power of 1/y"));
connect(this, SIGNAL(switchShowAccels(bool)), pbPower, SLOT(slotSetAccelDisplayMode(bool)));
connect(this, SIGNAL(switchMode(ButtonModeFlags,bool)), pbPower, SLOT(slotSetMode(ButtonModeFlags,bool)));
pbPower->setShortcut(QKeySequence(Qt::Key_AsciiCircum));
connect(pbPower, SIGNAL(clicked()), SLOT(slotPowerclicked()));
pbEE->addMode(ModeNormal, QLatin1String("x<small>" "\xb7" "10</small><sup>y</sup>"), i18n("Exponent"));
connect(this, SIGNAL(switchShowAccels(bool)), pbEE, SLOT(slotSetAccelDisplayMode(bool)));
connect(pbEE, SIGNAL(clicked()), SLOT(slotEEclicked()));
}
//------------------------------------------------------------------------------
// Name: createConstantsMenu
// Desc: additional setup for button keys
// NOTE: all alphanumeric shorts set in ui file
//------------------------------------------------------------------------------
void KCalculator::setupKeys() {
setupNumberKeys();
setupRightKeypad();
setupNumericKeypad();
setupLogicKeys();
setupScientificKeys();
setupStatisticKeys();
setupConstantsKeys();
setupMiscKeys();
// other button lists
function_button_list_.append(pbHyp);
function_button_list_.append(pbShift);
function_button_list_.append(pbEE);
function_button_list_.append(pbSin);
function_button_list_.append(pbPlusMinus);
function_button_list_.append(pbCos);
function_button_list_.append(pbReci);
function_button_list_.append(pbTan);
function_button_list_.append(pbFactorial);
function_button_list_.append(pbLog);
function_button_list_.append(pbSquare);
function_button_list_.append(pbLn);
function_button_list_.append(pbPower);
function_button_list_.append(pbCube);
mem_button_list_.append(pbMemRecall);
mem_button_list_.append(pbMemPlusMinus);
mem_button_list_.append(pbMemStore);
mem_button_list_.append(pbMemClear);
mem_button_list_.append(pbClear);
mem_button_list_.append(pbAllClear);
operation_button_list_.append(pbMultiplication);
operation_button_list_.append(pbParenOpen);
operation_button_list_.append(pbParenClose);
operation_button_list_.append(pbAND);
operation_button_list_.append(pbDivision);
operation_button_list_.append(pbOR);
operation_button_list_.append(pbXOR);
operation_button_list_.append(pbPlus);
operation_button_list_.append(pbMinus);
operation_button_list_.append(pbLsh);
operation_button_list_.append(pbRsh);
operation_button_list_.append(pbPeriod);
operation_button_list_.append(pbEqual);
operation_button_list_.append(pbPercent);
operation_button_list_.append(pbCmp);
operation_button_list_.append(pbMod);
}
//------------------------------------------------------------------------------
// Name: updateGeometry
// Desc: makes all the buttons have reasonable sizes
//------------------------------------------------------------------------------
void KCalculator::updateGeometry() {
const QSize em = pbAND->fontMetrics().size(0, QLatin1String("M"));
int margin = QApplication::style()->pixelMetric(QStyle::PM_ButtonMargin, 0, 0);
margin = qMax(qMin(margin / 2, 3), 3);
// left pad
foreach(QObject *obj, leftPad->children()) {
if (KCalcButton *const button = qobject_cast<KCalcButton *>(obj)) {
button->setFixedWidth(em.width() * 4 + margin * 2);
button->installEventFilter(this);
}
}
// right pad
foreach(QObject *obj, rightPad->children()) {
KCalcButton *const button = qobject_cast<KCalcButton *>(obj);
// let Shift expand freely
if (button && button != pbShift) {
button->setFixedWidth(em.width() * 3 + margin * 2);
button->installEventFilter(this);
}
}
// numeric pad
foreach(QObject *obj, numericPad->children()) {
if (KCalcButton *const button = qobject_cast<KCalcButton *>(obj)) {
// let pb0 expand freely
if (button != pb0) {
button->setFixedWidth(em.width() * 3 + margin * 2);
}
button->installEventFilter(this);
}
}
}
//------------------------------------------------------------------------------
// Name: slotConstantToDisplay
// Desc: inserts a constant
//------------------------------------------------------------------------------
void KCalculator::slotConstantToDisplay(const science_constant &const_chosen) {
QString val = const_chosen.value;
val.replace(QLatin1Char('.'), KNumber::decimalSeparator());
calc_display->setAmount(KNumber(val));
updateDisplay(0);
}
//------------------------------------------------------------------------------
// Name: slotBaseSelected
// Desc: changes the selected numeric base
//------------------------------------------------------------------------------
void KCalculator::slotBaseSelected(int base) {
int current_base;
// set display & statusbar (if item exist in statusbar)
switch (base) {
case BinMode:
current_base = calc_display->setBase(NumBase(2));
statusBar()->changeItem(QLatin1String("BIN"), BaseField);
calc_display->setStatusText(BaseField, QLatin1String("Bin"));
break;
case OctMode:
current_base = calc_display->setBase(NumBase(8));
statusBar()->changeItem(QLatin1String("OCT"), BaseField);
calc_display->setStatusText(BaseField, QLatin1String("Oct"));
break;
case DecMode:
current_base = calc_display->setBase(NumBase(10));
statusBar()->changeItem(QLatin1String("DEC"), BaseField);
calc_display->setStatusText(BaseField, QLatin1String("Dec"));
break;
case HexMode:
current_base = calc_display->setBase(NumBase(16));
statusBar()->changeItem(QLatin1String("HEX"), BaseField);
calc_display->setStatusText(BaseField, QLatin1String("Hex"));
break;
default:
statusBar()->changeItem(QLatin1String("Error"), BaseField);
calc_display->setStatusText(BaseField, QLatin1String("Error"));
return;
}
// Enable the buttons available in this base
for (int i = 0; i < current_base; ++i) {
(num_button_group_->buttons()[i])->setEnabled(true);
}
// Disable the buttons not available in this base
for (int i = current_base; i < 16; ++i) {
(num_button_group_->buttons()[i])->setEnabled(false);
}
// Only enable the decimal point in decimal
pbPeriod->setEnabled(current_base == NB_DECIMAL);
// Only enable the x*10^y button in decimal
pbEE->setEnabled(current_base == NB_DECIMAL);
// Disable buttons that make only sense with floating point numbers
if (current_base != NB_DECIMAL) {
foreach(QAbstractButton *btn, scientific_buttons_) {
btn->setEnabled(false);
}
} else {
foreach(QAbstractButton *btn, scientific_buttons_) {
btn->setEnabled(true);
}
}
KCalcSettings::setBaseMode(base);
}
//------------------------------------------------------------------------------
// Name: keyPressEvent
// Desc: handles keypress events
//------------------------------------------------------------------------------
void KCalculator::keyPressEvent(QKeyEvent *e) {
// Fix for bug #314586
// Basically, on some keyboards such as French, even though the decimal separator
// is "," the numeric keypad has a "." key. So we fake it so people can more seemlessly
// enter numbers using the keypad
if(KNumber::decimalSeparator() != ".") {
if(e->key() == Qt::Key_Period && e->modifiers() & Qt::KeypadModifier) {
pbPeriod->animateClick();
}
}
if (((e->modifiers() & Qt::NoModifier) == 0) || (e->modifiers() & Qt::ShiftModifier)) {
switch (e->key()) {
case Qt::Key_Backspace:
calc_display->deleteLastDigit();
break;
}
}
if (e->key() == Qt::Key_Control) {
emit switchShowAccels(true);
}
}
//------------------------------------------------------------------------------
// Name: keyReleaseEvent
// Desc: handles keyrelease events
//------------------------------------------------------------------------------
void KCalculator::keyReleaseEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Control) {
emit switchShowAccels(false);
}
}
//------------------------------------------------------------------------------
// Name: slotAngleSelected
// Desc: changes the selected angle system
//------------------------------------------------------------------------------
void KCalculator::slotAngleSelected(int mode) {
angle_mode_ = mode;
switch (mode) {
case DegMode:
statusBar()->changeItem(QLatin1String("DEG"), AngleField);
calc_display->setStatusText(AngleField, QLatin1String("Deg"));
break;
case RadMode:
statusBar()->changeItem(QLatin1String("RAD"), AngleField);
calc_display->setStatusText(AngleField, QLatin1String("Rad"));
break;
case GradMode:
statusBar()->changeItem(QLatin1String("GRA"), AngleField);
calc_display->setStatusText(AngleField, QLatin1String("Gra"));
break;
default: // we shouldn't ever end up here
angle_mode_ = RadMode;
}
KCalcSettings::setAngleMode(angle_mode_);
}
//------------------------------------------------------------------------------
// Name: slotEEclicked
// Desc: starts the entering of numers using scientific notation
//------------------------------------------------------------------------------
void KCalculator::slotEEclicked() {
calc_display->newCharacter(QLatin1Char('e'));
}
//------------------------------------------------------------------------------
// Name: slotShifttoggled
// Desc: updates the shift state for alternate button functionality
//------------------------------------------------------------------------------
void KCalculator::slotShifttoggled(bool flag) {
shift_mode_ = flag;
emit switchMode(ModeShift, flag);
if (shift_mode_) {
statusBar()->changeItem(i18nc("Second button functions are active", "SHIFT"), ShiftField);
calc_display->setStatusText(ShiftField, i18n("Shift"));
} else {
statusBar()->changeItem(i18nc("Normal button functions are active", "NORM"), ShiftField);
calc_display->setStatusText(ShiftField, QString());
}
}
//------------------------------------------------------------------------------
// Name: slotHyptoggled
// Desc: updates the Hyp state for alternate trig button functionality
//------------------------------------------------------------------------------
void KCalculator::slotHyptoggled(bool flag) {
// toggle between hyperbolic and standart trig functions
hyp_mode_ = flag;
emit switchMode(ModeHyperbolic, flag);
}
//------------------------------------------------------------------------------
// Name: slotMemRecallclicked
// Desc: recalls a value from memory
//------------------------------------------------------------------------------
void KCalculator::slotMemRecallclicked() {
// temp. work-around
calc_display->sendEvent(KCalcDisplay::EventReset);
calc_display->setAmount(memory_num_);
updateDisplay(0);
}
//------------------------------------------------------------------------------
// Name: slotMemStoreclicked
// Desc: stores a value into memory
//------------------------------------------------------------------------------
void KCalculator::slotMemStoreclicked() {
EnterEqual();
memory_num_ = calc_display->getAmount();
calc_display->setStatusText(MemField, QLatin1String("M"));
statusBar()->changeItem(QLatin1String("M"), MemField);
pbMemRecall->setEnabled(true);
}
//------------------------------------------------------------------------------
// Name: slotNumberclicked
// Desc: user has entered a digit
//------------------------------------------------------------------------------
void KCalculator::slotNumberclicked(int number_clicked) {
calc_display->enterDigit(number_clicked);
}
//------------------------------------------------------------------------------
// Name: slotSinclicked
// Desc: executes the sine function
//------------------------------------------------------------------------------
void KCalculator::slotSinclicked() {
if (hyp_mode_) {
// sinh or arsinh
if (!shift_mode_) {
core.SinHyp(calc_display->getAmount());
} else {
core.AreaSinHyp(calc_display->getAmount());
}
} else {
// sine or arcsine
if (!shift_mode_) {
switch (angle_mode_) {
case DegMode:
core.SinDeg(calc_display->getAmount());
break;
case RadMode:
core.SinRad(calc_display->getAmount());
break;
case GradMode:
core.SinGrad(calc_display->getAmount());
break;
}
} else {
switch (angle_mode_) {
case DegMode:
core.ArcSinDeg(calc_display->getAmount());
break;
case RadMode:
core.ArcSinRad(calc_display->getAmount());
break;
case GradMode:
core.ArcSinGrad(calc_display->getAmount());
break;
}
}
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotPlusMinusclicked
// Desc: changes sign of number being displayed
//------------------------------------------------------------------------------
void KCalculator::slotPlusMinusclicked() {
// display can only change sign, when in input mode, otherwise we
// need the core to do this.
if (!calc_display->sendEvent(KCalcDisplay::EventChangeSign)) {
core.InvertSign(calc_display->getAmount());
updateDisplay(UPDATE_FROM_CORE);
}
}
//------------------------------------------------------------------------------
// Name: slotMemPlusMinusclicked
// Desc: handles arithmetic on values stored in memory
//------------------------------------------------------------------------------
void KCalculator::slotMemPlusMinusclicked() {
bool tmp_shift_mode = shift_mode_; // store this, because next command deletes shift_mode_
EnterEqual(); // finish calculation so far, to store result into MEM
if (!tmp_shift_mode) {
memory_num_ += calc_display->getAmount();
} else {
memory_num_ -= calc_display->getAmount();
}
pbShift->setChecked(false);
statusBar()->changeItem(i18n("M"), MemField);
calc_display->setStatusText(MemField, i18n("M"));
pbMemRecall->setEnabled(true);
}
//------------------------------------------------------------------------------
// Name: slotSinclicked
// Desc: executes the cosine function
//------------------------------------------------------------------------------
void KCalculator::slotCosclicked() {
if (hyp_mode_) {
// cosh or arcosh
if (!shift_mode_) {
core.CosHyp(calc_display->getAmount());
} else {
core.AreaCosHyp(calc_display->getAmount());
}
} else {
// cosine or arccosine
if (!shift_mode_) {
switch (angle_mode_) {
case DegMode:
core.CosDeg(calc_display->getAmount());
break;
case RadMode:
core.CosRad(calc_display->getAmount());
break;
case GradMode:
core.CosGrad(calc_display->getAmount());
break;
}
} else {
switch (angle_mode_) {
case DegMode:
core.ArcCosDeg(calc_display->getAmount());
break;
case RadMode:
core.ArcCosRad(calc_display->getAmount());
break;
case GradMode:
core.ArcCosGrad(calc_display->getAmount());
break;
}
}
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotSinclicked
// Desc: executes the recipricol function
//------------------------------------------------------------------------------
void KCalculator::slotReciclicked() {
if (shift_mode_) {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_BINOM);
} else {
core.Reciprocal(calc_display->getAmount());
updateDisplay(UPDATE_FROM_CORE);
return;
}
// temp. work-around
KNumber tmp_num = calc_display->getAmount();
calc_display->sendEvent(KCalcDisplay::EventReset);
calc_display->setAmount(tmp_num);
updateDisplay(0);
}
//------------------------------------------------------------------------------
// Name: slotSinclicked
// Desc: executes the tangent function
//------------------------------------------------------------------------------
void KCalculator::slotTanclicked() {
if (hyp_mode_) {
// tanh or artanh
if (!shift_mode_) {
core.TangensHyp(calc_display->getAmount());
} else {
core.AreaTangensHyp(calc_display->getAmount());
}
} else {
// tan or arctan
if (!shift_mode_) {
switch (angle_mode_) {
case DegMode:
core.TangensDeg(calc_display->getAmount());
break;
case RadMode:
core.TangensRad(calc_display->getAmount());
break;
case GradMode:
core.TangensGrad(calc_display->getAmount());
break;
}
} else {
switch (angle_mode_) {
case DegMode:
core.ArcTangensDeg(calc_display->getAmount());
break;
case RadMode:
core.ArcTangensRad(calc_display->getAmount());
break;
case GradMode:
core.ArcTangensGrad(calc_display->getAmount());
break;
}
}
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotFactorialclicked
// Desc: executes the factorial function
//------------------------------------------------------------------------------
void KCalculator::slotFactorialclicked() {
// Set WaitCursor, as this operation may take looooong
// time and UI frezes with large numbers. User needs some
// visual feedback.
QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
if (!shift_mode_) {
core.Factorial(calc_display->getAmount());
} else {
core.Gamma(calc_display->getAmount());
}
QApplication::restoreOverrideCursor();
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotLogclicked
// Desc: executes the Log function
//------------------------------------------------------------------------------
void KCalculator::slotLogclicked() {
if (!shift_mode_) {
core.Log10(calc_display->getAmount());
} else {
core.Exp10(calc_display->getAmount());
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotSquareclicked
// Desc: executes the x^2 function
//------------------------------------------------------------------------------
void KCalculator::slotSquareclicked() {
if (!shift_mode_) {
core.Square(calc_display->getAmount());
} else {
core.SquareRoot(calc_display->getAmount());
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotCubeclicked
// Desc: executes the x^3 function
//------------------------------------------------------------------------------
void KCalculator::slotCubeclicked() {
if (!shift_mode_) {
core.Cube(calc_display->getAmount());
} else {
core.CubeRoot(calc_display->getAmount());
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotCubeclicked
// Desc: executes the ln function
//------------------------------------------------------------------------------
void KCalculator::slotLnclicked() {
if (!shift_mode_) {
core.Ln(calc_display->getAmount());
} else {
core.Exp(calc_display->getAmount());
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotPowerclicked
// Desc: executes the x^y function
//------------------------------------------------------------------------------
void KCalculator::slotPowerclicked() {
if (shift_mode_) {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_PWR_ROOT);
pbShift->setChecked(false);
} else {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_POWER);
}
// temp. work-around
KNumber tmp_num = calc_display->getAmount();
calc_display->sendEvent(KCalcDisplay::EventReset);
calc_display->setAmount(tmp_num);
updateDisplay(0);
}
//------------------------------------------------------------------------------
// Name: slotMemClearclicked
// Desc: executes the MC function
//------------------------------------------------------------------------------
void KCalculator::slotMemClearclicked() {
memory_num_ = KNumber::Zero;
statusBar()->changeItem(QLatin1String(" \xa0\xa0 "), MemField); // nbsp
calc_display->setStatusText(MemField, QString());
pbMemRecall->setDisabled(true);
}
//------------------------------------------------------------------------------
// Name: slotBackspaceclicked
// Desc: removes the last input digit
//------------------------------------------------------------------------------
void KCalculator::slotBackspaceclicked() {
calc_display->deleteLastDigit();
}
//------------------------------------------------------------------------------
// Name: slotClearclicked
// Desc: clears the display
//------------------------------------------------------------------------------
void KCalculator::slotClearclicked() {
calc_display->sendEvent(KCalcDisplay::EventClear);
}
//------------------------------------------------------------------------------
// Name: slotAllClearclicked
// Desc: clears everything
//------------------------------------------------------------------------------
void KCalculator::slotAllClearclicked() {
core.Reset();
calc_display->sendEvent(KCalcDisplay::EventReset);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotParenOpenclicked
// Desc: starts a sub-expression
//------------------------------------------------------------------------------
void KCalculator::slotParenOpenclicked() {
core.ParenOpen(calc_display->getAmount());
}
//------------------------------------------------------------------------------
// Name: slotParenCloseclicked
// Desc: ends a sub-expression
//------------------------------------------------------------------------------
void KCalculator::slotParenCloseclicked() {
core.ParenClose(calc_display->getAmount());
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotANDclicked
// Desc: executes a bitwise AND
//------------------------------------------------------------------------------
void KCalculator::slotANDclicked() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_AND);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotMultiplicationclicked
// Desc: executes multiplication
//------------------------------------------------------------------------------
void KCalculator::slotMultiplicationclicked() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_MULTIPLY);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotDivisionclicked
// Desc: executes division
//------------------------------------------------------------------------------
void KCalculator::slotDivisionclicked() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_DIVIDE);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotORclicked
// Desc: executes a bitwise OR
//------------------------------------------------------------------------------
void KCalculator::slotORclicked() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_OR);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotXORclicked
// Desc: executes a bitwise XOR
//------------------------------------------------------------------------------
void KCalculator::slotXORclicked() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_XOR);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotPlusclicked
// Desc: executes addition
//------------------------------------------------------------------------------
void KCalculator::slotPlusclicked() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_ADD);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotPlusclicked
// Desc: executes subtraction
//------------------------------------------------------------------------------
void KCalculator::slotMinusclicked() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_SUBTRACT);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotLeftShiftclicked
// Desc: executes a bitwise left shift
//------------------------------------------------------------------------------
void KCalculator::slotLeftShiftclicked() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_LSH);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotLeftShiftclicked
// Desc: executes a bitwise right shift
//------------------------------------------------------------------------------
void KCalculator::slotRightShiftclicked() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_RSH);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotPeriodclicked
// Desc: enters a decimal into the input stream
//------------------------------------------------------------------------------
void KCalculator::slotPeriodclicked() {
// i know this isn't locale friendly, should be converted to appropriate
// value at lower levels
calc_display->newCharacter(KGlobal::locale()->toLocale().decimalPoint());
}
//------------------------------------------------------------------------------
// Name: EnterEqual
// Desc: calculates and displays the result of the pending operations
//------------------------------------------------------------------------------
void KCalculator::EnterEqual() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_EQUAL);
updateDisplay(UPDATE_FROM_CORE | UPDATE_STORE_RESULT);
}
//------------------------------------------------------------------------------
// Name: slotEqualclicked
// Desc: calculates and displays the result of the pending operations
//------------------------------------------------------------------------------
void KCalculator::slotEqualclicked() {
EnterEqual();
}
//------------------------------------------------------------------------------
// Name: slotPercentclicked
// Desc: calculates and displays the result of the pending operations as a percent
//------------------------------------------------------------------------------
void KCalculator::slotPercentclicked() {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_PERCENT);
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotNegateclicked
// Desc: executes a bitwise 2's compliment
// NOTE: implicitly converts the value to an unsigned quantity
//------------------------------------------------------------------------------
void KCalculator::slotNegateclicked() {
core.Complement(calc_display->getAmount());
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotModclicked
// Desc: executes modulous (remainder division)
//------------------------------------------------------------------------------
void KCalculator::slotModclicked(){
if (shift_mode_) {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_INTDIV);
} else {
core.enterOperation(calc_display->getAmount(), CalcEngine::FUNC_MOD);
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotStatNumclicked
// Desc: executes Sum function
//------------------------------------------------------------------------------
void KCalculator::slotStatNumclicked() {
if (!shift_mode_) {
core.StatCount(KNumber::Zero);
} else {
pbShift->setChecked(false);
core.StatSum(KNumber::Zero);
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotStatMeanclicked
// Desc: executes Mean function
//------------------------------------------------------------------------------
void KCalculator::slotStatMeanclicked() {
if (!shift_mode_) {
core.StatMean(KNumber::Zero);
} else {
pbShift->setChecked(false);
core.StatSumSquares(KNumber::Zero);
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotStatStdDevclicked
// Desc: executes STD function
//------------------------------------------------------------------------------
void KCalculator::slotStatStdDevclicked() {
if (shift_mode_) {
// std (n-1)
core.StatStdDeviation(KNumber::Zero);
pbShift->setChecked(false);
} else {
// std (n)
core.StatStdSample(KNumber::Zero);
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotStatMedianclicked
// Desc: executes Median function
//------------------------------------------------------------------------------
void KCalculator::slotStatMedianclicked() {
if (!shift_mode_) {
// std (n-1)
core.StatMedian(KNumber::Zero);
} else {
// std (n)
core.StatMedian(KNumber::Zero);
pbShift->setChecked(false);
}
// TODO: it seems two different modes should be implemented, but...?
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotStatDataInputclicked
// Desc: enters a value for statistical functions
//------------------------------------------------------------------------------
void KCalculator::slotStatDataInputclicked() {
if (!shift_mode_) {
core.StatDataNew(calc_display->getAmount());
} else {
pbShift->setChecked(false);
core.StatDataDel(KNumber::Zero);
statusBar()->showMessage(i18n("Last stat item erased"), 3000);
}
updateDisplay(UPDATE_FROM_CORE);
}
//------------------------------------------------------------------------------
// Name: slotStatClearDataclicked
// Desc: clears memory for statical functions
//------------------------------------------------------------------------------
void KCalculator::slotStatClearDataclicked() {
if (!shift_mode_) {
core.StatClearAll(KNumber::Zero);
statusBar()->showMessage(i18n("Stat mem cleared"), 3000);
} else {
pbShift->setChecked(false);
updateDisplay(0);
}
}
//------------------------------------------------------------------------------
// Name: slotConstclicked
// Desc: enters a constant
//------------------------------------------------------------------------------
void KCalculator::slotConstclicked(int button) {
if(KCalcConstButton *btn = qobject_cast<KCalcConstButton*>(const_buttons_[button])) {
if (!shift_mode_) {
// set the display to the configured value of constant button
// internally, we deal with C locale style numbers, we need to convert
QString val = btn->constant();
val.replace(QLatin1Char('.'), KNumber::decimalSeparator());
calc_display->setAmount(KNumber(val));
} else {
pbShift->setChecked(false);
// internally, we deal with C locale style numbers, we need to convert
QString val = calc_display->text();
val.replace(KNumber::decimalSeparator(), QLatin1String("."));
KCalcSettings::setValueConstant(button, val);
// below set new tooltip
btn->setLabelAndTooltip();
// work around: after storing a number, pressing a digit should start
// a new number
calc_display->setAmount(calc_display->getAmount());
}
updateDisplay(0);
}
}
//------------------------------------------------------------------------------
// Name: showSettings
// Desc: opens the shows the settings dialog
//------------------------------------------------------------------------------
void KCalculator::showSettings() {
// Check if there is already a dialog and if so bring
// it to the foreground.
if (KConfigDialog::showDialog(QLatin1String("settings"))) {
return;
}
// Create a new dialog with the same name as the above checking code.
KConfigDialog *const dialog = new KConfigDialog(this, QLatin1String("settings"), KCalcSettings::self());
dialog->showButtonSeparator(true);
// general settings
General *const general = new General(0);
general->kcfg_Precision->setMaximum(maxprecision);
dialog->addPage(general, i18n("General"), QLatin1String("accessories-calculator"), i18n("General Settings"));
// font settings
Fonts *const fonts = new Fonts(0);
dialog->addPage(fonts, i18n("Font"), QLatin1String("preferences-desktop-font"), i18n("Select Display Font"));
// color settings
Colors *const color = new Colors(0);
dialog->addPage(color, i18n("Colors"), QLatin1String("format-fill-color"), i18n("Button & Display Colors"));
// constant settings
if (!constants_) {
constants_ = new Constants(0);
}
KCalcConstMenu *tmp_menu;
tmp_menu = new KCalcConstMenu(this);
connect(tmp_menu, SIGNAL(triggeredConstant(science_constant)), this, SLOT(slotChooseScientificConst0(science_constant)));
constants_->pushButton0->setMenu(tmp_menu);
tmp_menu = new KCalcConstMenu(this);
connect(tmp_menu, SIGNAL(triggeredConstant(science_constant)), this, SLOT(slotChooseScientificConst1(science_constant)));
constants_->pushButton1->setMenu(tmp_menu);
tmp_menu = new KCalcConstMenu(this);
connect(tmp_menu, SIGNAL(triggeredConstant(science_constant)), this, SLOT(slotChooseScientificConst2(science_constant)));
constants_->pushButton2->setMenu(tmp_menu);
tmp_menu = new KCalcConstMenu(this);
connect(tmp_menu, SIGNAL(triggeredConstant(science_constant)), this, SLOT(slotChooseScientificConst3(science_constant)));
constants_->pushButton3->setMenu(tmp_menu);
tmp_menu = new KCalcConstMenu(this);
connect(tmp_menu, SIGNAL(triggeredConstant(science_constant)), this, SLOT(slotChooseScientificConst4(science_constant)));
constants_->pushButton4->setMenu(tmp_menu);
tmp_menu = new KCalcConstMenu(this);
connect(tmp_menu, SIGNAL(triggeredConstant(science_constant)), this, SLOT(slotChooseScientificConst5(science_constant)));
constants_->pushButton5->setMenu(tmp_menu);
dialog->addPage(constants_, i18n("Constants"), QLatin1String("preferences-kcalc-constants"), i18n("Define Constants"));
// When the user clicks OK or Apply we want to update our settings.
connect(dialog, SIGNAL(settingsChanged(QString)), SLOT(updateSettings()));
// Display the dialog.
dialog->show();
}
// these 6 slots are just a quick hack, instead of setting the
// TextEdit fields in the configuration dialog, we are setting the
// Settingvalues themselves!!
//------------------------------------------------------------------------------
// Name: slotChooseScientificConst0
// Desc: updates constants value
//------------------------------------------------------------------------------
void KCalculator::slotChooseScientificConst0(const science_constant &chosen_const) {
constants_->kcfg_valueConstant0->setText(chosen_const.value);
constants_->kcfg_nameConstant0->setText(chosen_const.label);
}
//------------------------------------------------------------------------------
// Name: slotChooseScientificConst1
// Desc: updates constants value
//------------------------------------------------------------------------------
void KCalculator::slotChooseScientificConst1(const science_constant &chosen_const) {
constants_->kcfg_valueConstant1->setText(chosen_const.value);
constants_->kcfg_nameConstant1->setText(chosen_const.label);
}
//------------------------------------------------------------------------------
// Name: slotChooseScientificConst2
// Desc: updates constants value
//------------------------------------------------------------------------------
void KCalculator::slotChooseScientificConst2(const science_constant &chosen_const) {
constants_->kcfg_valueConstant2->setText(chosen_const.value);
constants_->kcfg_nameConstant2->setText(chosen_const.label);
}
//------------------------------------------------------------------------------
// Name: slotChooseScientificConst3
// Desc: updates constants value
//------------------------------------------------------------------------------
void KCalculator::slotChooseScientificConst3(const science_constant &chosen_const) {
constants_->kcfg_valueConstant3->setText(chosen_const.value);
constants_->kcfg_nameConstant3->setText(chosen_const.label);
}
//------------------------------------------------------------------------------
// Name: slotChooseScientificConst4
// Desc: updates constants value
//------------------------------------------------------------------------------
void KCalculator::slotChooseScientificConst4(const science_constant &chosen_const) {
constants_->kcfg_valueConstant4->setText(chosen_const.value);
constants_->kcfg_nameConstant4->setText(chosen_const.label);
}
//------------------------------------------------------------------------------
// Name: slotChooseScientificConst5
// Desc: updates constants value
//------------------------------------------------------------------------------
void KCalculator::slotChooseScientificConst5(const science_constant &chosen_const) {
constants_->kcfg_valueConstant5->setText(chosen_const.value);
constants_->kcfg_nameConstant5->setText(chosen_const.label);
}
//------------------------------------------------------------------------------
// Name: slotSetSimpleMode
// Desc: sets the calculator to have a simple layout
//------------------------------------------------------------------------------
void KCalculator::slotSetSimpleMode() {
action_constants_show_->setChecked(false);
action_constants_show_->setEnabled(false);
action_bitset_show_->setChecked(false);
action_bitset_show_->setEnabled(false);
showMemButtons(false);
showScienceButtons(false);
showStatButtons(false);
showLogicButtons(false);
// hide some individual buttons, which are not in one of the above groups
pbShift->hide();
pbMod->hide();
pbReci->hide();
pbFactorial->hide();
pbSquare->hide();
pbPower->hide();
pbCube->hide();
pbBackspace->hide();
pbEE->hide();
// delete the constant menu since it doesn't fit
delete constants_menu_;
constants_menu_ = 0;
KCalcSettings::setCalculatorMode(KCalcSettings::EnumCalculatorMode::simple);
}
//------------------------------------------------------------------------------
// Name: slotSetScienceMode
// Desc: sets the calculator to science mode
//------------------------------------------------------------------------------
void KCalculator::slotSetScienceMode() {
action_constants_show_->setEnabled(true);
action_constants_show_->setChecked(KCalcSettings::showConstants());
action_bitset_show_->setChecked(false);
action_bitset_show_->setEnabled(false);
// show some individual buttons
pbShift->show();
pbMod->show();
pbReci->show();
pbFactorial->show();
pbSquare->show();
pbPower->show();
pbCube->show();
pbBackspace->show();
pbEE->show();
// show or hide some groups of buttons
showMemButtons(true);
showScienceButtons(true);
showStatButtons(false);
showLogicButtons(false);
if(!constants_menu_) {
constants_menu_ = createConstantsMenu();
menuBar()->insertMenu((menuBar()->actions)()[2], constants_menu_);
}
KCalcSettings::setCalculatorMode(KCalcSettings::EnumCalculatorMode::science);
}
//------------------------------------------------------------------------------
// Name: slotSetStatisticMode
// Desc: sets the calculator to stats mode
//------------------------------------------------------------------------------
void KCalculator::slotSetStatisticMode() {
action_constants_show_->setEnabled(true);
action_constants_show_->setChecked(KCalcSettings::showConstants());
action_bitset_show_->setChecked(false);
action_bitset_show_->setEnabled(false);
// show some individual buttons
pbShift->show();
pbMod->show();
pbReci->show();
pbFactorial->show();
pbSquare->show();
pbPower->show();
pbCube->show();
pbBackspace->show();
pbEE->show();
// show or hide some groups of buttons
showMemButtons(true);
showScienceButtons(true);
showStatButtons(true);
showLogicButtons(false);
if(!constants_menu_) {
constants_menu_ = createConstantsMenu();
menuBar()->insertMenu((menuBar()->actions)()[2], constants_menu_);
}
KCalcSettings::setCalculatorMode(KCalcSettings::EnumCalculatorMode::statistics);
}
//------------------------------------------------------------------------------
// Name: slotSetNumeralMode
// Desc: sets the calculator to numerical ("programmers") mode
//------------------------------------------------------------------------------
void KCalculator::slotSetNumeralMode() {
action_constants_show_->setChecked(false);
action_constants_show_->setEnabled(false);
action_bitset_show_->setEnabled(true);
action_bitset_show_->setChecked(KCalcSettings::showBitset());
// show some individual buttons
pbShift->show();
pbMod->show();
pbReci->show();
pbFactorial->show();
pbSquare->show();
pbPower->show();
pbCube->show();
pbBackspace->show();
pbEE->show();
// show or hide some groups of buttons
showMemButtons(true);
showScienceButtons(false);
showStatButtons(false);
showLogicButtons(true);
if(!constants_menu_) {
constants_menu_ = createConstantsMenu();
menuBar()->insertMenu((menuBar()->actions)()[2], constants_menu_);
}
KCalcSettings::setCalculatorMode(KCalcSettings::EnumCalculatorMode::numeral);
}
//------------------------------------------------------------------------------
// Name: showMemButtons
// Desc: hides or shows the memory buttons
//------------------------------------------------------------------------------
void KCalculator::showMemButtons(bool toggled) {
if (toggled) {
foreach(QAbstractButton *btn, mem_button_list_) {
btn->show();
}
} else {
foreach(QAbstractButton *btn, mem_button_list_) {
btn->hide();
}
// these are in the mem_button_list_ but should not be hidden
pbClear->show();
pbAllClear->show();
}
}
//------------------------------------------------------------------------------
// Name: showStatButtons
// Desc: hides or shows the stat buttons
//------------------------------------------------------------------------------
void KCalculator::showStatButtons(bool toggled) {
if (toggled) {
foreach(QAbstractButton *btn, stat_buttons_) {
btn->show();
}
} else {
foreach(QAbstractButton *btn, stat_buttons_) {
btn->hide();
}
}
}
//------------------------------------------------------------------------------
// Name: showScienceButtons
// Desc: hides or shows the science buttons
//------------------------------------------------------------------------------
void KCalculator::showScienceButtons(bool toggled) {
if (toggled) {
foreach(QAbstractButton* btn, scientific_buttons_) {
btn->show();
}
foreach(QAbstractButton* btn, angle_choose_group_->buttons()) {
btn->show();
}
setAngle();
statusBar()->setItemFixed(AngleField, -1);
} else {
foreach(QAbstractButton* btn, scientific_buttons_) {
btn->hide();
}
foreach(QAbstractButton* btn, angle_choose_group_->buttons()) {
btn->hide();
}
statusBar()->changeItem(QString(), AngleField);
statusBar()->setItemFixed(AngleField, 0);
calc_display->setStatusText(AngleField, QString());
}
}
//------------------------------------------------------------------------------
// Name: showLogicButtons
// Desc: hides or shows the logic buttons
//------------------------------------------------------------------------------
void KCalculator::showLogicButtons(bool toggled) {
if (toggled) {
mBitset->setEnabled(true);
connect(mBitset, SIGNAL(valueChanged(quint64)), this, SLOT(slotBitsetChanged(quint64)));
connect(calc_display, SIGNAL(changedAmount(KNumber)), SLOT(slotUpdateBitset(KNumber)));
foreach(QAbstractButton* btn, logic_buttons_) {
btn->show();
}
setBase();
statusBar()->setItemFixed(BaseField, -1);
foreach(QAbstractButton *btn, base_choose_group_->buttons()) {
btn->show();
}
for (int i = 10; i < 16; ++i) {
num_button_group_->button(i)->show();
}
} else {
mBitset->setEnabled(false);
disconnect(mBitset, SIGNAL(valueChanged(quint64)), this, SLOT(slotBitsetChanged(quint64)));
disconnect(calc_display, SIGNAL(changedAmount(KNumber)), this, SLOT(slotUpdateBitset(KNumber)));
foreach(QAbstractButton* btn, logic_buttons_) {
btn->hide();
}
// Hide Hex-Buttons, but first switch back to decimal
decRadio->animateClick(0);
foreach(QAbstractButton *btn, base_choose_group_->buttons()) {
btn->hide();
}
statusBar()->changeItem(QString(), BaseField);
statusBar()->setItemFixed(BaseField, 0);
calc_display->setStatusText(BaseField, QString());
for (int i = 10; i < 16; ++i) {
num_button_group_->button(i)->hide();
}
}
}
//------------------------------------------------------------------------------
// Name: slotConstantsShow
// Desc: hides or shows the constants buttons
//------------------------------------------------------------------------------
void KCalculator::slotConstantsShow(bool toggled) {
if (toggled) {
foreach(QAbstractButton *btn, const_buttons_) {
btn->show();
}
} else {
foreach(QAbstractButton *btn, const_buttons_) {
btn->hide();
}
}
KCalcSettings::setShowConstants(toggled);
}
//------------------------------------------------------------------------------
// Name: slotBitsetshow
// Desc: hides or shows the bitset buttons
//------------------------------------------------------------------------------
void KCalculator::slotBitsetshow(bool toggled) {
mBitset->setVisible(toggled);
KCalcSettings::setShowBitset(toggled);
}
//------------------------------------------------------------------------------
// Name: slotBitsetshow
// Desc: This function is for setting the constant names configured in the
// kcalc settings menu. If the user doesn't enter a name for the
// constant C1 to C6 is used.
//------------------------------------------------------------------------------
void KCalculator::changeButtonNames() {
foreach(QAbstractButton *btn, const_buttons_) {
if (KCalcConstButton *const constbtn = qobject_cast<KCalcConstButton*>(btn)) {
constbtn->setLabelAndTooltip();
}
}
}
//------------------------------------------------------------------------------
// Name: slotBitsetChanged
// Desc: updates the bitset display
// NOTE: sets display to *unsigned* value
//------------------------------------------------------------------------------
void KCalculator::slotBitsetChanged(quint64 value) {
calc_display->setAmount(KNumber(value));
updateDisplay(0);
}
//------------------------------------------------------------------------------
// Name: slotUpdateBitset
// Desc: updates the bitset itself
//------------------------------------------------------------------------------
void KCalculator::slotUpdateBitset(const KNumber &nr) {
mBitset->setValue(nr.toUint64());
}
//------------------------------------------------------------------------------
// Name: updateSettings
// Desc: updates the persistent settings
//------------------------------------------------------------------------------
void KCalculator::updateSettings() {
changeButtonNames();
setColors();
setFonts();
setPrecision();
// Show the result in the app's caption in taskbar (wishlist - bug #52858)
disconnect(calc_display, SIGNAL(changedText(QString)), this, 0);
if (KCalcSettings::captionResult()) {
connect(calc_display, SIGNAL(changedText(QString)), SLOT(setCaption(QString)));
} else {
setCaption(QString());
}
calc_display->changeSettings();
updateGeometry();
}
//------------------------------------------------------------------------------
// Name: updateDisplay
// Desc: updates the display
//------------------------------------------------------------------------------
void KCalculator::updateDisplay(UpdateFlags flags) {
if(flags & UPDATE_FROM_CORE) {
calc_display->updateFromCore(core, (flags & UPDATE_STORE_RESULT) != 0);
} else {
calc_display->update();
}
pbShift->setChecked(false);
}
//------------------------------------------------------------------------------
// Name: setColors
// Desc: set the various colours
//------------------------------------------------------------------------------
void KCalculator::setColors() {
calc_display->changeSettings();
KColorScheme schemeButtons(QPalette::Active, KColorScheme::Button);
const QColor defaultColor = schemeButtons.background().color();
if (KCalcSettings::numberButtonsColor() == defaultColor
&& KCalcSettings::functionButtonsColor() == defaultColor
&& KCalcSettings::statButtonsColor() == defaultColor
&& KCalcSettings::hexButtonsColor() == defaultColor
&& KCalcSettings::memoryButtonsColor() == defaultColor
&& KCalcSettings::operationButtonsColor() == defaultColor) {
return;
}
const QPalette numPal(KCalcSettings::numberButtonsColor());
for (int i = 0; i < 10; ++i) {
num_button_group_->button(i)->setPalette(numPal);
}
const QPalette funcPal(KCalcSettings::functionButtonsColor());
foreach(QAbstractButton *btn, function_button_list_) {
btn->setPalette(funcPal);
}
const QPalette statPal(KCalcSettings::statButtonsColor());
foreach(QAbstractButton *btn, stat_buttons_) {
btn->setPalette(statPal);
}
const QPalette hexPal(KCalcSettings::hexButtonsColor());
for (int i = 10; i < 16; ++i) {
num_button_group_->button(i)->setPalette(hexPal);
}
const QPalette memPal(KCalcSettings::memoryButtonsColor());
foreach(QAbstractButton *btn, mem_button_list_) {
btn->setPalette(memPal);
}
const QPalette opPal(KCalcSettings::operationButtonsColor());
foreach(QAbstractButton *btn, operation_button_list_) {
btn->setPalette(opPal);
}
}
//------------------------------------------------------------------------------
// Name: setFonts
// Desc: set the various fonts
//------------------------------------------------------------------------------
void KCalculator::setFonts() {
foreach(QObject *obj, leftPad->children()) {
if (KCalcButton *const button = qobject_cast<KCalcButton*>(obj)) {
button->setFont(KCalcSettings::buttonFont());
}
}
foreach(QObject *obj, numericPad->children()) {
if (KCalcButton *const button = qobject_cast<KCalcButton*>(obj)) {
button->setFont(KCalcSettings::buttonFont());
}
}
foreach(QObject *obj, rightPad->children()) {
if (KCalcButton *const button = qobject_cast<KCalcButton*>(obj)) {
button->setFont(KCalcSettings::buttonFont());
}
}
updateGeometry();
}
//------------------------------------------------------------------------------
// Name: setPrecision
// Desc: set the precision of the display
//------------------------------------------------------------------------------
void KCalculator::setPrecision() {
KNumber::setDefaultFloatPrecision(KCalcSettings::precision());
updateDisplay(0);
}
//------------------------------------------------------------------------------
// Name: setAngle
// Desc: sets the angle mode
//------------------------------------------------------------------------------
void KCalculator::setAngle() {
if (QAbstractButton *const btn = angle_choose_group_->button(KCalcSettings::angleMode())) {
btn->animateClick(0);
}
}
//------------------------------------------------------------------------------
// Name: setBase
// Desc: sets the numeric base
//------------------------------------------------------------------------------
void KCalculator::setBase() {
if (QAbstractButton *const btn = base_choose_group_->button(KCalcSettings::baseMode())) {
btn->animateClick(0);
}
}
//------------------------------------------------------------------------------
// Name: eventFilter
// Desc: general event filter used to track events like drag/drop
//------------------------------------------------------------------------------
bool KCalculator::eventFilter(QObject *o, QEvent *e) {
switch (e->type()) {
case QEvent::DragEnter: {
QDragEnterEvent *const ev = reinterpret_cast<QDragEnterEvent *>(e);
ev->setAccepted(KColorMimeData::canDecode(ev->mimeData()));
return true;
}
case QEvent::DragLeave: {
return true;
}
// FIXME: color is not saved and restored (the color does not persist trough kcalc restart)
case QEvent::Drop: {
KCalcButton *const calcButton = qobject_cast<KCalcButton *>(o);
if (!calcButton) {
return false;
}
QDropEvent *const ev = reinterpret_cast<QDropEvent *>(e);
QColor c = KColorMimeData::fromMimeData(ev->mimeData());
if (c.isValid()) {
QString cn = c.name();
QString sheet = QLatin1String("background-color: %1");
QList<QAbstractButton*> *list;
const int num_but = num_button_group_->buttons().indexOf(calcButton);
if (num_but != -1) {
// Was it hex-button or normal digit??
if (num_but < 10) {
for (int i = 0; i < 10; ++i) {
num_button_group_->button(i)->setStyleSheet(sheet.arg(cn));
}
} else {
for (int i = 10; i < 16; ++i) {
num_button_group_->button(i)->setStyleSheet(sheet.arg(cn));
}
}
return true;
} else if (function_button_list_.contains(calcButton)) {
list = &function_button_list_;
} else if (stat_button_list_.contains(calcButton)) {
list = &stat_button_list_;
} else if (mem_button_list_.contains(calcButton)) {
list = &mem_button_list_;
} else if (operation_button_list_.contains(calcButton)) {
list = &operation_button_list_;
} else {
return false;
}
for (int i = 0; i < list->size(); ++i) {
list->at(i)->setStyleSheet(sheet.arg(cn));
}
}
return true;
}
// FALL THROUGH
default:
return KXmlGuiWindow::eventFilter(o, e);
}
}
////////////////////////////////////////////////////////////////
// Include the meta-object code for classes in this file
//
#include "moc_kcalc.cpp"
//------------------------------------------------------------------------------
// Name: main
// Desc: entry point of the application
//------------------------------------------------------------------------------
int main(int argc, char *argv[]) {
KAboutData aboutData("kcalc",
0,
ki18n("KCalc"),
version,
ki18n(description),
KAboutData::License_GPL,
ki18n(
"&copy; 2008-2013, Evan Teran\n"
"&copy; 2000-2008, The KDE Team\n"
"&copy; 2003-2005, Klaus Niederkr" "\xc3\xbc" "ger\n"
"&copy; 1996-2000, Bernd Johannes Wuebben"));
// Klaus Niederkrueger
aboutData.addAuthor(ki18n("Klaus Niederkr" "\xc3\xbc" "ger"), KLocalizedString(), "kniederk@math.uni-koeln.de");
aboutData.addAuthor(ki18n("Bernd Johannes Wuebben"), KLocalizedString(), "wuebben@kde.org");
aboutData.addAuthor(ki18n("Evan Teran"), ki18n("Maintainer"), "eteran@alum.rit.edu");
aboutData.addAuthor(ki18n("Espen Sand"), KLocalizedString(), "espen@kde.org");
aboutData.addAuthor(ki18n("Chris Howells"), KLocalizedString(), "howells@kde.org");
aboutData.addAuthor(ki18n("Aaron J. Seigo"), KLocalizedString(), "aseigo@olympusproject.org");
aboutData.addAuthor(ki18n("Charles Samuels"), KLocalizedString(), "charles@altair.dhs.org");
// Rene Merou
aboutData.addAuthor(ki18n("Ren" "\xc3\xa9" " M" "\xc3\xa9" "rou"), KLocalizedString(), "ochominutosdearco@yahoo.es");
aboutData.addAuthor(ki18n("Michel Marti"), KLocalizedString(), "mma@objectxp.com");
aboutData.addAuthor(ki18n("David Johnson"), KLocalizedString(), "david@usermode.org");
aboutData.setProgramIconName(QLatin1String("accessories-calculator"));
KCmdLineArgs::init(argc, argv, &aboutData);
KApplication app;
// force system locale to "C" internally [bug 159168]
setlocale(LC_NUMERIC, "C");
const QLocale locale = KGlobal::locale()->toLocale();
KNumber::setGroupSeparator(locale.groupSeparator());
KNumber::setDecimalSeparator(locale.decimalPoint());
KCalculator *calc = new KCalculator(0);
app.setTopWidget(calc);
calc->show();
return app.exec();
}
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