123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "spinbox.h"
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#include "icon.h"
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#include "gtkstyle.h"
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#include <QtGui/QToolButton>
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#include <QtGui/QHBoxLayout>
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#include <QtGui/QSpacerItem>
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#include <QtGui/QApplication>
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#include <QtGui/QWheelEvent>
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static Icon incIcon;
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static Icon decIcon;
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static void intButton(QToolButton *btn, bool inc)
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{
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if (incIcon.isNull()) {
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incIcon=Icon("list-add");
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}
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if (decIcon.isNull()) {
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decIcon=Icon("list-remove");
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}
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btn->setAutoRaise(true);
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btn->setIcon(inc ? incIcon : decIcon);
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btn->setAutoRepeat(true);
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//btn->setMinimumWidth(w);
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//btn->setMaximumWidth(w);
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}
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SpinBox::SpinBox(QWidget *p)
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: QWidget(p)
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{
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QHBoxLayout *layout=new QHBoxLayout(this);
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layout->setContentsMargins(0, 0, 0, 0);
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layout->setSpacing(0);
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spin=new EmptySpinBox(this);
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if (GtkStyle::mimicWidgets()) {
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spin->setButtonSymbols(QAbstractSpinBox::NoButtons);
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decButton=new QToolButton(this);
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incButton=new QToolButton(this);
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layout->addWidget(spin);
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layout->addWidget(decButton);
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layout->addWidget(incButton);
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layout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum));
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connect(spin, SIGNAL(valueChanged(int)), SLOT(checkValue()));
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connect(spin, SIGNAL(valueChanged(int)), SIGNAL(valueChanged(int)));
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connect(decButton, SIGNAL(pressed()), SLOT(decPressed()));
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connect(incButton, SIGNAL(pressed()), SLOT(incPressed()));
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intButton(decButton, false);
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intButton(incButton, true);
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decButton->installEventFilter(this);
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incButton->installEventFilter(this);
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} else {
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layout->addWidget(spin);
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}
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}
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SpinBox::~SpinBox()
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{
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}
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void SpinBox::setValue(int v)
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{
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spin->setValue(v);
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if (GtkStyle::mimicWidgets()) {
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checkValue();
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}
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}
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void SpinBox::incPressed()
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{
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spin->setValue(spin->value()+spin->singleStep());
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checkValue();
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}
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void SpinBox::decPressed()
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{
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spin->setValue(spin->value()-spin->singleStep());
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checkValue();
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}
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void SpinBox::checkValue()
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{
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decButton->setEnabled(spin->value()>spin->minimum());
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incButton->setEnabled(spin->value()<spin->maximum());
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}
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bool SpinBox::eventFilter(QObject *obj, QEvent *event)
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{
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if (GtkStyle::mimicWidgets() && (obj==incButton || obj==decButton) && QEvent::Wheel==event->type()) {
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QWheelEvent *we=(QWheelEvent *)event;
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if (we->delta()<0) {
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decPressed();
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} else if (we->delta()>0) {
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incPressed();
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}
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return true;
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}
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return QWidget::eventFilter(obj, event);
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}
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