mirror of
https://bitbucket.org/smil3y/kde-playground.git
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130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
/*******************************************************************
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KNotes -- Notes for the KDE project
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Copyright (c) 2002-2013, The KNotes Developers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*******************************************************************/
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#include "knotebutton.h"
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#include <kiconloader.h>
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#include <kicontheme.h>
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#include <QIcon>
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#include <QPainter>
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#include <QPixmap>
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#include <QSizePolicy>
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#include <QStyle>
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#include <QStyleOption>
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KNoteButton::KNoteButton( const QString &icon, QWidget *parent )
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: QPushButton( parent )
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{
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setFocusPolicy( Qt::NoFocus );
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setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) );
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setFlat( true );
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if ( !icon.isEmpty() ) {
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setIcon( KIconLoader::global()->loadIcon( icon, KIconLoader::Small, 10 ) );
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}
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}
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KNoteButton::~KNoteButton()
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{
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}
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void KNoteButton::enterEvent( QEvent * )
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{
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setFlat( false );
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repaint();
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}
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void KNoteButton::leaveEvent( QEvent * )
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{
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setFlat( true );
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repaint();
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}
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int KNoteButton::heightForWidth( int w ) const
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{
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return w;
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}
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QSize KNoteButton::sizeHint() const
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{
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return QSize( QPushButton::sizeHint().height(),
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QPushButton::sizeHint().height() );
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}
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void KNoteButton::paintEvent( QPaintEvent * )
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{
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QPainter p( this );
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// the button
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QStyleOption opt;
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opt.initFrom( this );
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if ( isEnabled() ) {
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opt.state |= QStyle::State_Enabled;
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}
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if ( isDown() ) {
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opt.state |= QStyle::State_DownArrow;
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}
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if ( isCheckable() && isChecked() ) {
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opt.state |= QStyle::State_On;
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}
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if ( !isFlat() ) {
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if ( !isDown() ) {
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opt.state |= QStyle::State_Raised;
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} else {
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opt.state |= QStyle::State_MouseOver;
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}
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}
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if ( ( opt.state & QStyle::State_MouseOver ) && ( ! ( opt.state & QStyle::State_DownArrow ) ) ) {
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style()->drawPrimitive( QStyle::PE_PanelButtonTool, &opt, &p, this );
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}
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// the button label
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if ( !icon().isNull() ) {
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QIcon::Mode mode = QIcon::Disabled;
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QIcon::State state = QIcon::Off;
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if ( opt.state & QStyle::State_Enabled ) {
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mode = hasFocus() ? QIcon::Active : QIcon::Normal;
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}
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if ( opt.state & QStyle::State_On ) {
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state = QIcon::On;
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}
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const QPixmap pix = icon().pixmap( style()->pixelMetric(
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QStyle::PM_SmallIconSize ), mode, state );
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int dx = ( width() - pix.width() ) / 2;
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int dy = ( height() - pix.height() ) / 2;
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// Shift button contents if pushed.
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if ( ( opt.state & QStyle::State_On ) || ( opt.state & QStyle::State_DownArrow ) ) {
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dx += style()->pixelMetric( QStyle::PM_ButtonShiftHorizontal );
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dy += style()->pixelMetric( QStyle::PM_ButtonShiftVertical );
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}
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p.drawPixmap( dx, dy, pix );
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}
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}
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