Files
cantata/widgets/menubutton.cpp
2013-02-15 17:22:14 +00:00

84 lines
2.2 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* 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 "menubutton.h"
#include "icon.h"
#include "icons.h"
#include "localize.h"
#include <QAction>
#include <QMenu>
#include <QStylePainter>
#include <QStyleOptionToolButton>
#include <QApplication>
MenuButton::MenuButton(QWidget *parent)
: QToolButton(parent)
{
Icon::init(this);
setPopupMode(QToolButton::InstantPopup);
setIcon(Icons::menuIcon);
setToolTip(i18n("Other Actions"));
setAutoRaise(true);
}
void MenuButton::controlState()
{
if (!menu()) {
return;
}
foreach (QAction *a, menu()->actions()) {
if (a->isEnabled()) {
setEnabled(true);
return;
}
}
setEnabled(false);
}
void MenuButton::paintEvent(QPaintEvent *)
{
QStylePainter p(this);
QStyleOptionToolButton opt;
initStyleOption(&opt);
opt.features=QStyleOptionToolButton::None;
p.drawComplexControl(QStyle::CC_ToolButton, opt);
}
QSize MenuButton::sizeHint() const
{
if (sh.isValid()) {
return sh;
}
ensurePolished();
QStyleOptionToolButton opt;
initStyleOption(&opt);
opt.features=QStyleOptionToolButton::None;
QSize icon = opt.iconSize;
sh = style()->sizeFromContents(QStyle::CT_ToolButton, &opt, QSize(icon.width(), icon.height()), this).expandedTo(QApplication::globalStrut());
sh=QSize(qMax(sh.width(), sh.height()), qMax(sh.width(), sh.height()));
return sh;
}