src/panels/places/placesitemlistwidget.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2012 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "placesitemlistwidget.h"
   8
   9 #include <QGraphicsView>
  10 #include <QStyleOption>
  11
  12 #include <KDiskFreeSpaceInfo>
  13 #include <KMountPoint>
  14
  15 #define CAPACITYBAR_HEIGHT 2
  16 #define CAPACITYBAR_MARGIN 2
  17
  18
  19 PlacesItemListWidget::PlacesItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) :
  20     KStandardItemListWidget(informant, parent)
  21 {
  22 }
  23
  24 PlacesItemListWidget::~PlacesItemListWidget()
  25 {
  26 }
  27
  28 bool PlacesItemListWidget::isHidden() const
  29 {
  30     return data().value("isHidden").toBool() ||
  31            data().value("isGroupHidden").toBool();
  32 }
  33
  34 QPalette::ColorRole PlacesItemListWidget::normalTextColorRole() const
  35 {
  36     return QPalette::WindowText;
  37 }
  38
  39 void PlacesItemListWidget::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
  40 {
  41     KStandardItemListWidget::paint(painter, option, widget);
  42
  43     bool drawCapacityBar = false;
  44     const QUrl url = data().value("url").toUrl();
  45     if (url.isLocalFile()) {
  46         const QString mountPointPath = url.toLocalFile();
  47         KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByPath(mountPointPath);
  48         bool isMountPoint = (mp && mp->mountPoint() == mountPointPath);
  49
  50         if (isMountPoint) {
  51             const KDiskFreeSpaceInfo info = KDiskFreeSpaceInfo::freeSpaceInfo(mountPointPath);
  52             drawCapacityBar = info.size() != 0;
  53             if (drawCapacityBar) {
  54                 const TextInfo* textInfo = m_textInfo.value("text");
  55                 if (textInfo) { // See KStandarItemListWidget::paint() for info on why we check textInfo.
  56                     painter->save();
  57
  58                     QRect capacityRect(
  59                         textInfo->pos.x(),
  60                         option->rect.top() + option->rect.height() - CAPACITYBAR_HEIGHT - CAPACITYBAR_MARGIN,
  61                         qMin((qreal)option->rect.width(), selectionRect().width()) - (textInfo->pos.x() - option->rect.left()),
  62                         CAPACITYBAR_HEIGHT
  63                     );
  64
  65                     const qreal ratio = (qreal)info.used() / (qreal)info.size();
  66                     // qDebug() << "ratio:" << ratio << "(" << info.used() << "/" << info.size() << ")";
  67
  68                     const QPalette pal = palette();
  69                     const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive;
  70                     // QColor bgColor = QColor::fromRgb(230, 230, 230);
  71                     // QColor outlineColor = QColor::fromRgb(208, 208, 208);
  72                     // QColor bgColor = QColor::fromRgb(0, 230, 0);
  73                     // QColor outlineColor = QColor::fromRgb(208, 0, 0, 127);
  74                     // QColor normalUsedColor = QColor::fromRgb(38, 160, 218);
  75                     // QColor dangerUsedColor = QColor::fromRgb(218, 38, 38);
  76                     // QColor bgColor = pal.base().color().darker(130);
  77                     // QColor outlineColor = pal.base().color().darker(150);
  78
  79                     QPalette::ColorRole role;
  80                     // role = isSelected() ? QPalette::Highlight : QPalette::Window;
  81                     // QColor bgColor = styleOption().palette.color(group, role).darker(150);
  82                     // QColor outlineColor = styleOption().palette.color(group, role).darker(170);
  83                     QColor bgColor = isSelected()
  84                         ? styleOption().palette.color(group, QPalette::Highlight).darker(180)
  85                         : styleOption().palette.color(group, QPalette::Window).darker(120);
  86
  87                     role = isSelected() ? QPalette::HighlightedText : QPalette::Highlight;
  88                     QColor normalUsedColor = styleOption().palette.color(group, role);
  89
  90                     QColor dangerUsedColor = QColor::fromRgb(218, 38, 38);
  91
  92                     // Background
  93                     painter->fillRect(capacityRect, bgColor);
  94
  95                     // Outline
  96                     // const QRect outlineRect(capacityRect.x(), capacityRect.y(), capacityRect.width() - 1, capacityRect.height() - 1);
  97                     // painter->setPen(outlineColor);
  98                     // painter->drawRect(outlineRect);
  99
 100                     // Fill
 101                     const QRect fillRect(capacityRect.x(), capacityRect.y(), capacityRect.width() * ratio, capacityRect.height());
 102                     if (ratio < 0.95) { // Fill
 103                         painter->fillRect(fillRect, normalUsedColor);
 104                     } else {
 105                         painter->fillRect(fillRect, dangerUsedColor);
 106                     }
 107
 108                     painter->restore();
 109                 }
 110             }
 111         }
 112     }
 113 }