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259 lines
5.7 KiB
259 lines
5.7 KiB
/* This file is part of the KDE project
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Copyright (C) 2003-2004 Nadeem Hasan <nhasan@kde.org>
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Copyright (C) 2004-2005 Aaron J. Seigo <aseigo@kde.org>
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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
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License as published by the Free Software Foundation; either
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version 2 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 GNU
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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; 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 "simplebutton.h"
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#include <qpainter.h>
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#include <qstyle.h>
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#include <kapplication.h>
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#include <kcursor.h>
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#include <kdialog.h>
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#include <kglobalsettings.h>
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#include <kiconeffect.h>
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#include <kicontheme.h>
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#include <kipc.h>
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#include <kstandarddirs.h>
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#define BUTTON_MARGIN KDialog::spacingHint()
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SimpleButton::SimpleButton(QWidget *parent, const char *name)
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: QButton(parent, name),
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m_highlight(false),
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m_orientation(Qt::Horizontal)
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{
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setBackgroundOrigin( AncestorOrigin );
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connect( kapp, SIGNAL( settingsChanged( int ) ),
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SLOT( slotSettingsChanged( int ) ) );
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connect( kapp, SIGNAL( iconChanged( int ) ),
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SLOT( slotIconChanged( int ) ) );
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kapp->addKipcEventMask( KIPC::SettingsChanged );
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kapp->addKipcEventMask( KIPC::IconChanged );
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slotSettingsChanged( KApplication::SETTINGS_MOUSE );
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}
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void SimpleButton::setPixmap(const QPixmap &pix)
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{
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QButton::setPixmap(pix);
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generateIcons();
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update();
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}
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void SimpleButton::setOrientation(Qt::Orientation orientation)
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{
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m_orientation = orientation;
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update();
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}
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QSize SimpleButton::sizeHint() const
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{
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const QPixmap* pm = pixmap();
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if (!pm)
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return QButton::sizeHint();
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else
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return QSize(pm->width() + BUTTON_MARGIN, pm->height() + BUTTON_MARGIN);
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}
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QSize SimpleButton::minimumSizeHint() const
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{
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const QPixmap* pm = pixmap();
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if (!pm)
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return QButton::minimumSizeHint();
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else
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return QSize(pm->width(), pm->height());
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}
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void SimpleButton::drawButton( QPainter *p )
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{
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drawButtonLabel(p);
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}
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void SimpleButton::drawButtonLabel( QPainter *p )
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{
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if (!pixmap())
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{
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return;
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}
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QPixmap pix = isEnabled() ? (m_highlight? m_activeIcon : m_normalIcon) : m_disabledIcon;
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if (isOn() || isDown())
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{
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pix = pix.convertToImage().smoothScale(pix.width() - 2,
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pix.height() - 2);
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}
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int h = height();
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int w = width();
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int ph = pix.height();
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int pw = pix.width();
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int margin = BUTTON_MARGIN;
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QPoint origin(margin / 2, margin / 2);
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if (ph < (h - margin))
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{
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origin.setY((h - ph) / 2);
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}
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if (pw < (w - margin))
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{
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origin.setX((w - pw) / 2);
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}
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p->drawPixmap(origin, pix);
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}
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void SimpleButton::generateIcons()
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{
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if (!pixmap())
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{
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return;
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}
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QImage image = pixmap()->convertToImage();
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KIconEffect effect;
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m_normalIcon = effect.apply(image, KIcon::Panel, KIcon::DefaultState);
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m_activeIcon = effect.apply(image, KIcon::Panel, KIcon::ActiveState);
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m_disabledIcon = effect.apply(image, KIcon::Panel, KIcon::DisabledState);
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updateGeometry();
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}
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void SimpleButton::slotSettingsChanged(int category)
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{
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if (category != KApplication::SETTINGS_MOUSE)
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{
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return;
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}
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bool changeCursor = KGlobalSettings::changeCursorOverIcon();
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if (changeCursor)
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{
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setCursor(KCursor::handCursor());
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}
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else
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{
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unsetCursor();
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}
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}
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void SimpleButton::slotIconChanged( int group )
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{
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if (group != KIcon::Panel)
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{
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return;
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}
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generateIcons();
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update();
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}
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void SimpleButton::enterEvent( QEvent *e )
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{
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m_highlight = true;
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repaint( false );
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QButton::enterEvent( e );
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}
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void SimpleButton::leaveEvent( QEvent *e )
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{
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m_highlight = false;
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repaint( false );
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QButton::enterEvent( e );
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}
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void SimpleButton::resizeEvent( QResizeEvent * )
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{
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generateIcons();
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}
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SimpleArrowButton::SimpleArrowButton(QWidget *parent, Qt::ArrowType arrow, const char *name)
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: SimpleButton(parent, name)
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{
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setBackgroundOrigin(AncestorOrigin);
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_arrow = arrow;
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_inside = false;
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}
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QSize SimpleArrowButton::sizeHint() const
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{
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return QSize( 12, 12 );
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}
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void SimpleArrowButton::setArrowType(Qt::ArrowType a)
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{
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if (_arrow != a)
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{
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_arrow = a;
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update();
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}
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}
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Qt::ArrowType SimpleArrowButton::arrowType() const
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{
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return _arrow;
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}
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void SimpleArrowButton::drawButton( QPainter *p )
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{
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QRect r(1, 1, width() - 2, height() - 2);
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QStyle::PrimitiveElement pe = QStyle::PE_ArrowLeft;
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switch (_arrow)
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{
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case Qt::LeftArrow: pe = QStyle::PE_ArrowLeft; break;
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case Qt::RightArrow: pe = QStyle::PE_ArrowRight; break;
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case Qt::UpArrow: pe = QStyle::PE_ArrowUp; break;
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case Qt::DownArrow: pe = QStyle::PE_ArrowDown; break;
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}
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int flags = QStyle::Style_Default | QStyle::Style_Enabled;
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if (isDown() || isOn()) flags |= QStyle::Style_Down;
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style().drawPrimitive(pe, p, r, colorGroup(), flags);
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}
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void SimpleArrowButton::enterEvent( QEvent *e )
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{
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_inside = true;
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SimpleButton::enterEvent( e );
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update();
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}
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void SimpleArrowButton::leaveEvent( QEvent *e )
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{
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_inside = false;
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SimpleButton::enterEvent( e );
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update();
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}
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#include "simplebutton.moc"
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// vim:ts=4:sw=4:et
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