82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
/* stock_icon_tool_button.cpp
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <ui/qt/widgets/stock_icon_tool_button.h>
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#include <ui/qt/utils/stock_icon.h>
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#include <QApplication>
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#include <QEvent>
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#include <QMenu>
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#include <QMouseEvent>
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// We want nice icons that render correctly, and that are responsive
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// when the user hovers and clicks them.
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// Using setIcon renders correctly on normal and retina displays. It is
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// not completely responsive, particularly on macOS.
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// Calling setStyleSheet is responsive, but does not render correctly on
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// retina displays: https://bugreports.qt.io/browse/QTBUG-36825
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// Subclass QToolButton, which lets us catch events and set icons as needed.
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StockIconToolButton::StockIconToolButton(QWidget * parent, QString stock_icon_name) :
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QToolButton(parent)
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{
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setStockIcon(stock_icon_name);
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}
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void StockIconToolButton::setIconMode(QIcon::Mode mode)
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{
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QIcon mode_icon;
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QList<QIcon::State> states = QList<QIcon::State>() << QIcon::Off << QIcon::On;
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foreach (QIcon::State state, states) {
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foreach (QSize size, base_icon_.availableSizes(mode, state)) {
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mode_icon.addPixmap(base_icon_.pixmap(size, mode, state), mode, state);
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}
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}
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setIcon(mode_icon);
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}
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void StockIconToolButton::setStockIcon(QString icon_name)
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{
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if (!icon_name.isEmpty()) {
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icon_name_ = icon_name;
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}
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if (icon_name_.isEmpty()) {
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return;
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}
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base_icon_ = StockIcon(icon_name_);
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setIconMode();
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}
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bool StockIconToolButton::event(QEvent *event)
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{
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switch (event->type()) {
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case QEvent::Enter:
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if (isEnabled()) {
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setIconMode(QIcon::Active);
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}
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break;
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case QEvent::MouseButtonPress:
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if (isEnabled()) {
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setIconMode(QIcon::Selected);
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}
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break;
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case QEvent::MouseButtonRelease:
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setIconMode();
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break;
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case QEvent::ApplicationPaletteChange:
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setStockIcon();
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break;
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default:
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break;
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}
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return QToolButton::event(event);
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}
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