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Implement ProgressBarDelegate

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jagannatharjun 2020-10-18 12:36:18 +05:30
parent 172eda5471
commit 816bc45707
4 changed files with 128 additions and 0 deletions
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2
src/gui/CMakeLists.txt
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@ -26,6 +26,7 @@ add_library(qbt_gui STATIC
powermanagement/powermanagement.h
previewlistdelegate.h
previewselectdialog.h
progressbardelegate.h
properties/downloadedpiecesbar.h
properties/peerlistsortmodel.h
properties/peerlistwidget.h
@ -105,6 +106,7 @@ add_library(qbt_gui STATIC
powermanagement/powermanagement.cpp
previewlistdelegate.cpp
previewselectdialog.cpp
progressbardelegate.cpp
properties/downloadedpiecesbar.cpp
properties/peerlistsortmodel.cpp
properties/peerlistwidget.cpp

2
src/gui/gui.pri
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@ -27,6 +27,7 @@ HEADERS += \
$$PWD/powermanagement/powermanagement.h \
$$PWD/previewlistdelegate.h \
$$PWD/previewselectdialog.h \
$$PWD/progressbardelegate.h \
$$PWD/properties/downloadedpiecesbar.h \
$$PWD/properties/peerlistsortmodel.h \
$$PWD/properties/peerlistwidget.h \
@ -106,6 +107,7 @@ SOURCES += \
$$PWD/powermanagement/powermanagement.cpp \
$$PWD/previewlistdelegate.cpp \
$$PWD/previewselectdialog.cpp \
$$PWD/progressbardelegate.cpp \
$$PWD/properties/downloadedpiecesbar.cpp \
$$PWD/properties/peerlistsortmodel.cpp \
$$PWD/properties/peerlistwidget.cpp \

73
src/gui/progressbardelegate.cpp Normal file
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@ -0,0 +1,73 @@
/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2020 Prince Gupta <jagannatharjun11@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; 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 "progressbardelegate.h"
#include <QApplication>
#include <QModelIndex>
#include <QPainter>
#include <QStyleOptionViewItem>
#if (defined(Q_OS_WIN) || defined(Q_OS_MACOS))
#include <QProxyStyle>
#endif
ProgressBarDelegate::ProgressBarDelegate(const int progressColumn, const int dataRole, QObject *parent)
: QStyledItemDelegate {parent}
, m_progressColumn {progressColumn}
, m_dataRole {dataRole}
{
#if (defined(Q_OS_WIN) || defined(Q_OS_MACOS))
m_dummyProgressBar.setStyle(new QProxyStyle {"fusion"});
#endif
}
void ProgressBarDelegate::initProgressStyleOption(QStyleOptionProgressBar &option, const QModelIndex &index) const
{
option.text = index.data().toString();
option.progress = static_cast<int>(index.data(m_dataRole).toReal());
option.maximum = 100;
option.minimum = 0;
option.state |= (QStyle::State_Enabled | QStyle::State_Horizontal);
option.textVisible = true;
}
void ProgressBarDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
if (index.column() != m_progressColumn)
return QStyledItemDelegate::paint(painter, option, index);
QStyleOptionProgressBar newopt;
newopt.initFrom(&m_dummyProgressBar);
newopt.rect = option.rect;
initProgressStyleOption(newopt, index);
painter->save();
m_dummyProgressBar.style()->drawControl(QStyle::CE_ProgressBar, &newopt, painter, &m_dummyProgressBar);
painter->restore();
}

51
src/gui/progressbardelegate.h Normal file
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@ -0,0 +1,51 @@
/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2020 Prince Gupta <jagannatharjun11@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; 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.
*/
#pragma once
#include <QProgressBar>
#include <QStyledItemDelegate>
class QStyleOptionProgressBar;
class ProgressBarDelegate : public QStyledItemDelegate
{
public:
ProgressBarDelegate(int progressColumn, int dataRole, QObject *parent = nullptr);
protected:
void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
virtual void initProgressStyleOption(QStyleOptionProgressBar &option, const QModelIndex &index) const;
private:
const int m_progressColumn;
const int m_dataRole;
// for painting progressbar with stylesheet option, a dummy progress bar is required
QProgressBar m_dummyProgressBar;
};