Some work about adaptive color scheme for Web UI (PR #19901) http://[316:c51a:62a3:8b9::4]/d4708/qBittorrent/src/branch/adaptive-webui
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/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2006 Christophe Dumez
*
* 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.
*
* Contact : chris@qbittorrent.org
*/
#ifndef PREVIEWLISTDELEGATE_H
#define PREVIEWLISTDELEGATE_H
#include <QItemDelegate>
#include <QStyleOptionProgressBarV2>
#include <QModelIndex>
#include <QPainter>
#include <QProgressBar>
#include <QApplication>
#include "misc.h"
// Defines for properties list columns
#define NAME 0
#define SIZE 1
#define PROGRESS 2
class PreviewListDelegate: public QAbstractItemDelegate {
Q_OBJECT
public:
PreviewListDelegate(QObject *parent=0) : QAbstractItemDelegate(parent){}
~PreviewListDelegate(){}
void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const{
QItemDelegate delegate;
QStyleOptionViewItem opt = option;
QStyleOptionProgressBarV2 newopt;
char tmp[MAX_CHAR_TMP];
float progress;
// set text color
QVariant value = index.data(Qt::TextColorRole);
if (value.isValid() && qvariant_cast<QColor>(value).isValid()){
opt.palette.setColor(QPalette::Text, qvariant_cast<QColor>(value));
}
QPalette::ColorGroup cg = option.state & QStyle::State_Enabled
? QPalette::Normal : QPalette::Disabled;
if (option.state & QStyle::State_Selected){
painter->setPen(opt.palette.color(cg, QPalette::HighlightedText));
}else{
painter->setPen(opt.palette.color(cg, QPalette::Text));
}
// draw the background color
if(index.column() != PROGRESS){
if (option.showDecorationSelected && (option.state & QStyle::State_Selected)){
if (cg == QPalette::Normal && !(option.state & QStyle::State_Active)){
cg = QPalette::Inactive;
}
painter->fillRect(option.rect, option.palette.brush(cg, QPalette::Highlight));
}else{
value = index.data(Qt::BackgroundColorRole);
if (value.isValid() && qvariant_cast<QColor>(value).isValid()){
painter->fillRect(option.rect, qvariant_cast<QColor>(value));
}
}
}
switch(index.column()){
case SIZE:
painter->drawText(option.rect, Qt::AlignCenter, misc::friendlyUnit(index.data().toLongLong()));
break;
case NAME:
painter->drawText(option.rect, Qt::AlignLeft, index.data().toString());
break;
case PROGRESS:
progress = index.data().toDouble()*100.;
snprintf(tmp, MAX_CHAR_TMP, "%.1f", progress);
newopt.rect = opt.rect;
newopt.text = QString(tmp)+"%";
newopt.progress = (int)progress;
newopt.maximum = 100;
newopt.minimum = 0;
newopt.state |= QStyle::State_Enabled;
newopt.textVisible = false;
QApplication::style()->drawControl(QStyle::CE_ProgressBar, &newopt,
painter);
//We prefer to display text manually to control color/font/boldness
if (option.state & QStyle::State_Selected){
opt.palette.setColor(QPalette::Text, QColor("grey"));
painter->setPen(opt.palette.color(cg, QPalette::Text));
}
painter->drawText(option.rect, Qt::AlignCenter, newopt.text);
break;
default:
painter->drawText(option.rect, Qt::AlignCenter, index.data().toString());
}
}
QSize sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const{
QItemDelegate delegate;
return delegate.sizeHint(option, index);
}
};
#endif