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Fix gui issues on high DPI monitor

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Fix LineEdit widget size issues
Up-scale the icons on statusbar
Up-scale the icons in options dialog. Closes #7729.
Fix small icons in cookie manager
Fix progress bar height
Fix small icons in confirm delete dialog
Fix small icons in options dialog
Fix small images in about dialog
This commit is contained in:
Chocobo1 2017-11-24 17:13:22 +08:00
parent 52ae118e3c
commit aaaa67050c
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25 changed files with 210 additions and 132 deletions
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src/gui/utils.cpp Normal file
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/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2017 Mike Tzou
*
* 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.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
#include "utils.h"
#include <QApplication>
#include <QDesktopWidget>
#include <QScreen>
#include <QStyle>
#include <QWidget>
#include <QWindow>
qreal Utils::Gui::screenScalingFactor(const QWidget *widget)
{
#ifdef Q_OS_WIN
const int screen = qApp->desktop()->screenNumber(widget);
return (QApplication::screens()[screen]->logicalDotsPerInch() / 96);
#else
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
return widget->devicePixelRatioF();
#else
return widget->devicePixelRatio();
#endif
#endif // Q_OS_WIN
}
QPixmap Utils::Gui::scaledPixmap(const QString &path, const QWidget *widget, const int height)
{
const QPixmap pixmap(path);
const int scaledHeight = ((height > 0) ? height : pixmap.height()) * Utils::Gui::screenScalingFactor(widget);
return pixmap.scaledToHeight(scaledHeight, Qt::SmoothTransformation);
}
QSize Utils::Gui::smallIconSize(const QWidget *widget)
{
// Get DPI scaled icon size (device-dependent), see QT source
// under a 1080p screen is usually 16x16
const int s = QApplication::style()->pixelMetric(QStyle::PM_SmallIconSize, nullptr, widget);
return QSize(s, s);
}
QSize Utils::Gui::mediumIconSize(const QWidget *widget)
{
// under a 1080p screen is usually 24x24
return ((smallIconSize(widget) + largeIconSize(widget)) / 2);
}
QSize Utils::Gui::largeIconSize(const QWidget *widget)
{
// Get DPI scaled icon size (device-dependent), see QT source
// under a 1080p screen is usually 32x32
const int s = QApplication::style()->pixelMetric(QStyle::PM_LargeIconSize, nullptr, widget);
return QSize(s, s);
}