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/* 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 <tqpainter.h>
#include <tqstyle.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>
SimpleButton::SimpleButton(TQWidget *parent, const char *name)
: TQButton(parent, name),
m_highlight(false),
m_orientation(Qt::Horizontal)
{
setBackgroundOrigin( AncestorOrigin );
connect( kapp, TQT_SIGNAL( settingsChanged( int ) ),
TQT_SLOT( slotSettingsChanged( int ) ) );
connect( kapp, TQT_SIGNAL( iconChanged( int ) ),
TQT_SLOT( slotIconChanged( int ) ) );
kapp->addKipcEventMask( KIPC::SettingsChanged );
kapp->addKipcEventMask( KIPC::IconChanged );
slotSettingsChanged( KApplication::SETTINGS_MOUSE );
}
void SimpleButton::setPixmap(const TQPixmap &pix)
{
TQButton::setPixmap(pix);
generateIcons();
update();
}
void SimpleButton::setOrientation(Qt::Orientation orientation)
{
m_orientation = orientation;
update();
}
TQSize SimpleButton::sizeHint() const
{
const TQPixmap* pm = pixmap();
if (!pm)
return TQButton::sizeHint();
else
return TQSize(pm->width() + KDialog::spacingHint(), pm->height() + KDialog::spacingHint());
}
TQSize SimpleButton::minimumSizeHint() const
{
const TQPixmap* pm = pixmap();
if (!pm)
return TQButton::minimumSizeHint();
else
return TQSize(pm->width(), pm->height());
}
void SimpleButton::drawButton( TQPainter *p )
{
drawButtonLabel(p);
}
void SimpleButton::drawButtonLabel( TQPainter *p )
{
if (!pixmap())
{
return;
}
TQPixmap 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 = KDialog::spacingHint();
TQPoint 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;
}
TQImage 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( TQEvent *e )
{
m_highlight = true;
repaint( false );
TQButton::enterEvent( e );
}
void SimpleButton::leaveEvent( TQEvent *e )
{
m_highlight = false;
repaint( false );
TQButton::enterEvent( e );
}
void SimpleButton::resizeEvent( TQResizeEvent * )
{
generateIcons();
}
SimpleArrowButton::SimpleArrowButton(TQWidget *parent, TQt::ArrowType arrow, const char *name)
: SimpleButton(parent, name)
{
setBackgroundOrigin(AncestorOrigin);
_arrow = arrow;
_inside = false;
}
TQSize SimpleArrowButton::sizeHint() const
{
return TQSize( 12, 12 );
}
void SimpleArrowButton::setArrowType(TQt::ArrowType a)
{
if (_arrow != a)
{
_arrow = a;
update();
}
}
TQt::ArrowType SimpleArrowButton::arrowType() const
{
return _arrow;
}
void SimpleArrowButton::drawButton( TQPainter *p )
{
TQRect r(1, 1, width() - 2, height() - 2);
TQStyle::PrimitiveElement pe = TQStyle::PE_ArrowLeft;
switch (_arrow)
{
case TQt::LeftArrow: pe = TQStyle::PE_ArrowLeft; break;
case TQt::RightArrow: pe = TQStyle::PE_ArrowRight; break;
case TQt::UpArrow: pe = TQStyle::PE_ArrowUp; break;
case TQt::DownArrow: pe = TQStyle::PE_ArrowDown; break;
}
int flags = TQStyle::Style_Default | TQStyle::Style_Enabled;
if (isDown() || isOn()) flags |= TQStyle::Style_Down;
tqstyle().tqdrawPrimitive(pe, p, r, colorGroup(), flags);
}
void SimpleArrowButton::enterEvent( TQEvent *e )
{
_inside = true;
SimpleButton::enterEvent( e );
update();
}
void SimpleArrowButton::leaveEvent( TQEvent *e )
{
_inside = false;
SimpleButton::enterEvent( e );
update();
}
#include "simplebutton.moc"
// vim:ts=4:sw=4:et
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