forked from qt-creator/qt-creator
2ddc752762
Avalaible since Qt 4.1. Task-number: QTCREATORBUG-24098 Change-Id: I0dda1d78fc75070b6cbbef76d66bc54ccfca8f09 Reviewed-by: Eike Ziller <eike.ziller@qt.io>
79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "faketooltip.h"
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#include <QStyleOption>
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#include <QStylePainter>
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/*!
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\class Utils::FakeToolTip
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\brief The FakeToolTip class is a widget that pretends to be a tooltip.
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By default it has Qt::WA_DeleteOnClose set.
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*/
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namespace Utils {
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FakeToolTip::FakeToolTip(QWidget *parent) :
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QWidget(parent, Qt::ToolTip | Qt::WindowStaysOnTopHint | Qt::WindowDoesNotAcceptFocus)
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{
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setFocusPolicy(Qt::NoFocus);
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setAttribute(Qt::WA_DeleteOnClose);
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// Set the window and button text to the tooltip text color, since this
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// widget draws the background as a tooltip.
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QPalette p = palette();
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const QColor toolTipTextColor = p.color(QPalette::Inactive, QPalette::ToolTipText);
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p.setColor(QPalette::Inactive, QPalette::WindowText, toolTipTextColor);
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p.setColor(QPalette::Inactive, QPalette::ButtonText, toolTipTextColor);
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setPalette(p);
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const int margin = 1 + style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth, nullptr, this);
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setContentsMargins(margin + 1, margin, margin, margin);
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setWindowOpacity(style()->styleHint(QStyle::SH_ToolTipLabel_Opacity, nullptr, this) / 255.0);
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}
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void FakeToolTip::paintEvent(QPaintEvent *)
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{
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QStylePainter p(this);
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QStyleOptionFrame opt;
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opt.initFrom(this);
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p.drawPrimitive(QStyle::PE_PanelTipLabel, opt);
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p.end();
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}
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void FakeToolTip::resizeEvent(QResizeEvent *)
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{
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QStyleHintReturnMask frameMask;
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QStyleOption option;
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option.initFrom(this);
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if (style()->styleHint(QStyle::SH_ToolTip_Mask, &option, this, &frameMask))
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setMask(frameMask.region);
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}
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} // namespace Utils
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