diff options
Diffstat (limited to 'kicker/libkicker/simplebutton.cpp')
| -rw-r--r-- | kicker/libkicker/simplebutton.cpp | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/kicker/libkicker/simplebutton.cpp b/kicker/libkicker/simplebutton.cpp new file mode 100644 index 000000000..223e71982 --- /dev/null +++ b/kicker/libkicker/simplebutton.cpp @@ -0,0 +1,258 @@ +/* This file is part of the KDE project + Copyright (C) 2003-2004 Nadeem Hasan <nhasan@kde.org> + Copyright (C) 2004-2005 Aaron J. Seigo <aseigo@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; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include "simplebutton.h" + +#include <qpainter.h> +#include <qstyle.h> + +#include <kapplication.h> +#include <kcursor.h> +#include <kdialog.h> +#include <kglobalsettings.h> +#include <kiconeffect.h> +#include <kicontheme.h> +#include <kipc.h> +#include <kstandarddirs.h> + +#define BUTTON_MARGIN KDialog::spacingHint() + +SimpleButton::SimpleButton(QWidget *parent, const char *name) + : QButton(parent, name), + m_highlight(false), + m_orientation(Qt::Horizontal) +{ + setBackgroundOrigin( AncestorOrigin ); + + connect( kapp, SIGNAL( settingsChanged( int ) ), + SLOT( slotSettingsChanged( int ) ) ); + connect( kapp, SIGNAL( iconChanged( int ) ), + SLOT( slotIconChanged( int ) ) ); + + kapp->addKipcEventMask( KIPC::SettingsChanged ); + kapp->addKipcEventMask( KIPC::IconChanged ); + + slotSettingsChanged( KApplication::SETTINGS_MOUSE ); +} + +void SimpleButton::setPixmap(const QPixmap &pix) +{ + QButton::setPixmap(pix); + generateIcons(); + update(); +} + +void SimpleButton::setOrientation(Qt::Orientation orientation) +{ + m_orientation = orientation; + update(); +} + +QSize SimpleButton::sizeHint() const +{ + const QPixmap* pm = pixmap(); + + if (!pm) + return QButton::sizeHint(); + else + return QSize(pm->width() + BUTTON_MARGIN, pm->height() + BUTTON_MARGIN); +} + +QSize SimpleButton::minimumSizeHint() const +{ + const QPixmap* pm = pixmap(); + + if (!pm) + return QButton::minimumSizeHint(); + else + return QSize(pm->width(), pm->height()); +} + +void SimpleButton::drawButton( QPainter *p ) +{ + drawButtonLabel(p); +} + +void SimpleButton::drawButtonLabel( QPainter *p ) +{ + if (!pixmap()) + { + return; + } + + QPixmap pix = isEnabled() ? (m_highlight? m_activeIcon : m_normalIcon) : m_disabledIcon; + + if (isOn() || isDown()) + { + pix = pix.convertToImage().smoothScale(pix.width() - 2, + pix.height() - 2); + } + + int h = height(); + int w = width(); + int ph = pix.height(); + int pw = pix.width(); + int margin = BUTTON_MARGIN; + QPoint origin(margin / 2, margin / 2); + + if (ph < (h - margin)) + { + origin.setY((h - ph) / 2); + } + + if (pw < (w - margin)) + { + origin.setX((w - pw) / 2); + } + + p->drawPixmap(origin, pix); +} + +void SimpleButton::generateIcons() +{ + if (!pixmap()) + { + return; + } + + QImage image = pixmap()->convertToImage(); + KIconEffect effect; + + m_normalIcon = effect.apply(image, KIcon::Panel, KIcon::DefaultState); + m_activeIcon = effect.apply(image, KIcon::Panel, KIcon::ActiveState); + m_disabledIcon = effect.apply(image, KIcon::Panel, KIcon::DisabledState); + + updateGeometry(); +} + +void SimpleButton::slotSettingsChanged(int category) +{ + if (category != KApplication::SETTINGS_MOUSE) + { + return; + } + + bool changeCursor = KGlobalSettings::changeCursorOverIcon(); + + if (changeCursor) + { + setCursor(KCursor::handCursor()); + } + else + { + unsetCursor(); + } +} + +void SimpleButton::slotIconChanged( int group ) +{ + if (group != KIcon::Panel) + { + return; + } + + generateIcons(); + update(); +} + +void SimpleButton::enterEvent( QEvent *e ) +{ + m_highlight = true; + + repaint( false ); + QButton::enterEvent( e ); +} + +void SimpleButton::leaveEvent( QEvent *e ) +{ + m_highlight = false; + + repaint( false ); + QButton::enterEvent( e ); +} + +void SimpleButton::resizeEvent( QResizeEvent * ) +{ + generateIcons(); +} + + +SimpleArrowButton::SimpleArrowButton(QWidget *parent, Qt::ArrowType arrow, const char *name) + : SimpleButton(parent, name) +{ + setBackgroundOrigin(AncestorOrigin); + _arrow = arrow; + _inside = false; +} + +QSize SimpleArrowButton::sizeHint() const +{ + return QSize( 12, 12 ); +} + +void SimpleArrowButton::setArrowType(Qt::ArrowType a) +{ + if (_arrow != a) + { + _arrow = a; + update(); + } +} + +Qt::ArrowType SimpleArrowButton::arrowType() const +{ + return _arrow; +} + +void SimpleArrowButton::drawButton( QPainter *p ) +{ + QRect r(1, 1, width() - 2, height() - 2); + + QStyle::PrimitiveElement pe = QStyle::PE_ArrowLeft; + switch (_arrow) + { + case Qt::LeftArrow: pe = QStyle::PE_ArrowLeft; break; + case Qt::RightArrow: pe = QStyle::PE_ArrowRight; break; + case Qt::UpArrow: pe = QStyle::PE_ArrowUp; break; + case Qt::DownArrow: pe = QStyle::PE_ArrowDown; break; + } + + int flags = QStyle::Style_Default | QStyle::Style_Enabled; + if (isDown() || isOn()) flags |= QStyle::Style_Down; + style().drawPrimitive(pe, p, r, colorGroup(), flags); +} + +void SimpleArrowButton::enterEvent( QEvent *e ) +{ + _inside = true; + SimpleButton::enterEvent( e ); + update(); +} + +void SimpleArrowButton::leaveEvent( QEvent *e ) +{ + _inside = false; + SimpleButton::enterEvent( e ); + update(); +} + +#include "simplebutton.moc" + +// vim:ts=4:sw=4:et |