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/* This file is part of the KDE libraries
Copyright (C) 2007 Aurélien Gâteau <agateau@kde.org>
Copyright (C) 2012 Jean-Nicolas Artaud <jeannicolasartaud@gmail.com>
Copyright (C) 2012 Jarosław Staniek <staniek@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "KoGroupButton.h"
// Qt
#include <QAction>
#include <QStyleOptionToolButton>
#include <QStylePainter>
#include <QToolButton>
// KF5
#include <KLocalizedString>
class Q_DECL_HIDDEN KoGroupButton::Private
{
public:
Private(KoGroupButton *qq, const GroupPosition position) : groupPosition(position)
{
// Make the policy closer to QPushButton's default but horizontal shouldn't be Fixed,
// otherwise spacing gets broken
qq->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
}
GroupPosition groupPosition;
};
KoGroupButton::KoGroupButton(GroupPosition position, QWidget* parent)
: QToolButton(parent), d(new Private(this, position))
{
}
KoGroupButton::KoGroupButton(QWidget* parent)
: QToolButton(parent), d(new Private(this, NoGroup))
{
}
KoGroupButton::~KoGroupButton()
{
delete d;
}
void KoGroupButton::setGroupPosition(KoGroupButton::GroupPosition groupPosition)
{
d->groupPosition = groupPosition;
}
KoGroupButton::GroupPosition KoGroupButton::groupPosition() const
{
return d->groupPosition;
}
void KoGroupButton::paintEvent(QPaintEvent* event)
{
if (groupPosition() == NoGroup) {
QToolButton::paintEvent(event);
return;
}
QStylePainter painter(this);
QStyleOptionToolButton opt;
initStyleOption(&opt);
QStyleOptionToolButton panelOpt = opt;
// Panel
QRect& panelRect = panelOpt.rect;
switch (groupPosition()) {
case GroupLeft:
panelRect.setWidth(panelRect.width() * 2);
break;
case GroupCenter:
panelRect.setLeft(panelRect.left() - panelRect.width());
panelRect.setWidth(panelRect.width() * 3);
break;
case GroupRight:
panelRect.setLeft(panelRect.left() - panelRect.width());
break;
case NoGroup:
Q_ASSERT(0);
}
if (autoRaise()) {
if (!isChecked() && !isDown() && !(panelOpt.state & QStyle::State_MouseOver)) {
// Use 'pushed' appearance for all buttons, but those that are not really pushed
// are drawn with less contrast and are toned down.
panelOpt.state |= (QStyle::State_On | QStyle::State_Sunken);
QPalette panelPal(panelOpt.palette);
QColor c;
c = panelPal.color(QPalette::Button);
c.setAlpha(50);
panelPal.setColor(QPalette::Button, c);
c = panelPal.color(QPalette::Window);
c.setAlpha(50);
panelPal.setColor(QPalette::Window, c);
panelOpt.palette = panelPal;
painter.setOpacity(0.5);
}
}
painter.drawPrimitive(QStyle::PE_PanelButtonTool, panelOpt);
painter.setOpacity(1.0);
// Separator
//! @todo make specific fixes for styles such as Plastique, Cleanlooks if there's practical no alternative
const int y1 = opt.rect.top() + 1;
const int y2 = opt.rect.bottom() - 1;
painter.setOpacity(0.4);
if (d->groupPosition != GroupRight) {
const int x = opt.rect.right();
painter.setPen(QPen(opt.palette.color(QPalette::Dark), 0));
painter.drawLine(x, y1, x, y2);
}
painter.setOpacity(1.0);
// Text
painter.drawControl(QStyle::CE_ToolButtonLabel, opt);
// Filtering message on tooltip text for CJK to remove accelerators.
// Quoting ktoolbar.cpp:
// """
// CJK languages use more verbose accelerator marker: they add a Latin
// letter in parenthesis, and put accelerator on that. Hence, the default
// removal of ampersand only may not be enough there, instead the whole
// parenthesis construct should be removed. Provide these filtering i18n
// messages so that translators can use Transcript for custom removal.
// """
if (!actions().isEmpty()) {
QAction* action = actions().constFirst();
setToolTip(i18nc("@info:tooltip of custom triple button", "%1", action->toolTip()));
}
}
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