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/* stock_icon_tool_button.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "stock_icon_tool_button.h"
#include "stock_icon.h"
#include <QApplication>
#include <QEvent>
#include <QMenu>
#include <QMouseEvent>
// We want nice icons that render correctly, and that are responsive
// when the user hovers and clicks them.
// Using setIcon renders correctly on normal and retina displays. It is
// not completely responsive, particularly on OS X.
// Calling setStyleSheet is responsive, but does not render correctly on
// retina displays: https://bugreports.qt.io/browse/QTBUG-36825
// Subclass QToolButton, which lets us catch events and set icons as needed.
StockIconToolButton::StockIconToolButton(QWidget * parent, QString stock_icon_name) :
QToolButton(parent),
leave_timer_(0)
{
if (!stock_icon_name.isEmpty()) {
setStockIcon(stock_icon_name);
}
}
void StockIconToolButton::setIconMode(QIcon::Mode mode)
{
QIcon mode_icon;
QList<QIcon::State> states = QList<QIcon::State>() << QIcon::Off << QIcon::On;
foreach (QIcon::State state, states) {
foreach (QSize size, base_icon_.availableSizes(mode, state)) {
mode_icon.addPixmap(base_icon_.pixmap(size, mode, state), mode, state);
}
}
setIcon(mode_icon);
}
void StockIconToolButton::setStockIcon(QString icon_name)
{
base_icon_ = StockIcon(icon_name);
setIconMode();
}
bool StockIconToolButton::event(QEvent *event)
{
switch (event->type()) {
case QEvent::Enter:
if (isEnabled()) {
setIconMode(QIcon::Active);
if (leave_timer_ > 0) killTimer(leave_timer_);
leave_timer_ = startTimer(leave_interval_);
}
break;
case QEvent::MouseButtonPress:
if (isEnabled()) {
setIconMode(QIcon::Selected);
}
break;
case QEvent::Leave:
if (leave_timer_ > 0) killTimer(leave_timer_);
leave_timer_ = 0;
// Fall through
case QEvent::MouseButtonRelease:
setIconMode();
break;
case QEvent::Timer:
{
// We can lose QEvent::Leave, QEvent::HoverLeave and underMouse()
// on OS X if a tooltip appears:
// https://bugreports.qt.io/browse/QTBUG-46379
// Work around the issue by periodically checking the mouse
// position and scheduling a fake leave event when the mouse
// moves away.
QTimerEvent *te = (QTimerEvent *) event;
bool under_mouse = rect().contains(mapFromGlobal(QCursor::pos()));
if (te->timerId() == leave_timer_ && !under_mouse) {
killTimer(leave_timer_);
leave_timer_ = 0;
QMouseEvent *me = new QMouseEvent(QEvent::Leave, mapFromGlobal(QCursor::pos()), Qt::NoButton, Qt::NoButton, Qt::NoModifier);
QApplication::postEvent(this, me);
}
break;
}
default:
break;
}
return QToolButton::event(event);
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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