Use ProgressbarDelegate for drawing progressbar in PropListDelegate

Also directly provide display data from model rather then generating it in delegate

src/gui/properties/proplistdelegate.cpp

@@ -42,9 +42,7 @@
 
 #include "base/bittorrent/downloadpriority.h"
 #include "base/bittorrent/torrenthandle.h"
-#include "base/unicodestrings.h"
-#include "base/utils/misc.h"
-#include "base/utils/string.h"
+#include "gui/torrentcontentmodel.h"
 #include "propertieswidget.h"
 
 namespace
@@ -64,107 +62,31 @@ namespace
 }
 
 PropListDelegate::PropListDelegate(PropertiesWidget *properties)
-    : QStyledItemDelegate(properties)
+    : ProgressBarDelegate {PROGRESS, TorrentContentModel::UnderlyingDataRole, properties}
     , m_properties(properties)
 {
 }
 
-void PropListDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
+void PropListDelegate::initProgressStyleOption(QStyleOptionProgressBar &option, const QModelIndex &index) const
 {
-    painter->save();
-
-    const QStyle *style = option.widget ? option.widget->style() : QApplication::style();
-    QStyleOptionViewItem opt = option;
-    QStyledItemDelegate::initStyleOption(&opt, index);
-
-    switch (index.column()) {
-    case PCSIZE:
-    case REMAINING:
-        opt.text = Utils::Misc::friendlyUnit(index.data().toLongLong());
-        style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget);
-        break;
-
-    case PROGRESS: {
-            const qreal progress = (index.data().toReal() * 100);
-            if (progress < 0)
-                break;
-
-            QStyleOptionProgressBar newopt;
-            newopt.rect = opt.rect;
-            newopt.text = (progress == 100) ? QString("100%") : (Utils::String::fromDouble(progress, 1) + '%');
-            newopt.progress = static_cast<int>(progress);
-            newopt.maximum = 100;
-            newopt.minimum = 0;
-            newopt.textVisible = true;
-            if (index.sibling(index.row(), PRIORITY).data().toInt() == static_cast<int>(BitTorrent::DownloadPriority::Ignored)) {
-                newopt.state &= ~QStyle::State_Enabled;
-                newopt.palette = progressBarDisabledPalette();
+    ProgressBarDelegate::initProgressStyleOption(option, index);
+    const int priority
+        = index.sibling(index.row(), PRIORITY).data(TorrentContentModel::UnderlyingDataRole).toInt();
+    if (static_cast<BitTorrent::DownloadPriority>(priority) == BitTorrent::DownloadPriority::Ignored) {
+        option.state &= ~QStyle::State_Enabled;
+        option.palette = progressBarDisabledPalette();
     }
     else {
-                newopt.state |= QStyle::State_Enabled;
-            }
-
-#if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
-            // XXX: To avoid having the progress text on the right of the bar
-            QProxyStyle("fusion").drawControl(QStyle::CE_ProgressBar, &newopt, painter, 0);
-#else
-            QApplication::style()->drawControl(QStyle::CE_ProgressBar, &newopt, painter);
-#endif
+        option.state |= QStyle::State_Enabled;
     }
-        break;
-
-    case PRIORITY: {
-            QString text = "";
-            switch (static_cast<BitTorrent::DownloadPriority>(index.data().toInt())) {
-            case BitTorrent::DownloadPriority::Mixed:
-                text = tr("Mixed", "Mixed (priorities");
-                break;
-            case BitTorrent::DownloadPriority::Ignored:
-                text = tr("Not downloaded");
-                break;
-            case BitTorrent::DownloadPriority::High:
-                text = tr("High", "High (priority)");
-                break;
-            case BitTorrent::DownloadPriority::Maximum:
-                text = tr("Maximum", "Maximum (priority)");
-                break;
-            default:
-                text = tr("Normal", "Normal (priority)");
-                break;
-            }
-            opt.text = text;
-            style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget);
-        }
-        break;
-
-    case AVAILABILITY: {
-            const qreal availability = index.data().toReal();
-            if (availability < 0) {
-                opt.text = tr("N/A");
-            }
-            else {
-                const QString value = (availability >= 1.0)
-                                        ? QLatin1String("100")
-                                        : Utils::String::fromDouble(availability * 100, 1);
-                opt.text = (value + C_THIN_SPACE + QLatin1Char('%'));
-            }
-            style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget);
-        }
-        break;
-
-    default:
-        QStyledItemDelegate::paint(painter, option, index);
-        break;
-    }
-
-    painter->restore();
 }
 
 void PropListDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
 {
     auto *combobox = static_cast<QComboBox *>(editor);
     // Set combobox index
-    switch (static_cast<BitTorrent::DownloadPriority>(index.data().toInt())) {
+    const int priority = index.data(TorrentContentModel::UnderlyingDataRole).toInt();
+    switch (static_cast<BitTorrent::DownloadPriority>(priority)) {
     case BitTorrent::DownloadPriority::Ignored:
         combobox->setCurrentIndex(0);
         break;
@@ -190,7 +112,8 @@ QWidget *PropListDelegate::createEditor(QWidget *parent, const QStyleOptionViewI
             return nullptr;
     }
 
-    if (index.data().toInt() == static_cast<int>(BitTorrent::DownloadPriority::Mixed))
+    const int priority = index.data(TorrentContentModel::UnderlyingDataRole).toInt();
+    if (static_cast<BitTorrent::DownloadPriority>(priority) == BitTorrent::DownloadPriority::Mixed)
         return nullptr;
 
     auto *editor = new QComboBox(parent);

src/gui/properties/proplistdelegate.h

@@ -29,7 +29,7 @@
 #ifndef PROPLISTDELEGATE_H
 #define PROPLISTDELEGATE_H
 
-#include <QStyledItemDelegate>
+#include "gui/progressbardelegate.h"
 
 class QAbstractItemModel;
 class QModelIndex;
@@ -49,14 +49,13 @@ enum PropColumn
     AVAILABILITY
 };
 
-class PropListDelegate final : public QStyledItemDelegate
+class PropListDelegate final : public ProgressBarDelegate
 {
     Q_OBJECT
 
 public:
     explicit PropListDelegate(PropertiesWidget *properties);
 
-    void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
     void setEditorData(QWidget *editor, const QModelIndex &index) const override;
     QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem & /* option */, const QModelIndex &index) const override;
 
@@ -68,6 +67,8 @@ signals:
     void filteredFilesChanged() const;
 
 private:
+    void initProgressStyleOption(QStyleOptionProgressBar &option, const QModelIndex &index) const override;
+
     PropertiesWidget *m_properties;
 };
 

src/gui/torrentcontentfiltermodel.cpp

@@ -39,7 +39,7 @@ TorrentContentFilterModel::TorrentContentFilterModel(QObject *parent)
     setSourceModel(m_model);
     // Filter settings
     setFilterKeyColumn(TorrentContentModelItem::COL_NAME);
-    setFilterRole(Qt::DisplayRole);
+    setFilterRole(TorrentContentModel::UnderlyingDataRole);
     setDynamicSortFilter(true);
     setSortCaseSensitivity(Qt::CaseInsensitive);
 }

src/gui/torrentcontentmodel.cpp

@@ -180,7 +180,7 @@ namespace
 
 TorrentContentModel::TorrentContentModel(QObject *parent)
     : QAbstractItemModel(parent)
-    , m_rootItem(new TorrentContentModelFolder(QVector<QVariant>({ tr("Name"), tr("Size"), tr("Progress"), tr("Download Priority"), tr("Remaining"), tr("Availability") })))
+    , m_rootItem(new TorrentContentModelFolder(QVector<QString>({ tr("Name"), tr("Size"), tr("Progress"), tr("Download Priority"), tr("Remaining"), tr("Availability") })))
 {
 #if defined(Q_OS_WIN)
     m_fileIconProvider = new WinShellFileIconProvider();
@@ -332,25 +332,34 @@ QVariant TorrentContentModel::data(const QModelIndex &index, int role) const
 
     auto *item = static_cast<TorrentContentModelItem*>(index.internalPointer());
 
-    if ((index.column() == TorrentContentModelItem::COL_NAME) && (role == Qt::DecorationRole)) {
+    switch (role) {
+    case Qt::DecorationRole: {
+            if (index.column() != TorrentContentModelItem::COL_NAME)
+                return {};
+
             if (item->itemType() == TorrentContentModelItem::FolderType)
                 return m_fileIconProvider->icon(QFileIconProvider::Folder);
-
             return m_fileIconProvider->icon(QFileInfo(item->name()));
         }
+    case Qt::CheckStateRole: {
+            if (index.column() != TorrentContentModelItem::COL_NAME)
+                return {};
 
-    if ((index.column() == TorrentContentModelItem::COL_NAME) && (role == Qt::CheckStateRole)) {
-        if (item->data(TorrentContentModelItem::COL_PRIO).toInt() == static_cast<int>(BitTorrent::DownloadPriority::Ignored))
+            if (item->priority() == BitTorrent::DownloadPriority::Ignored)
                 return Qt::Unchecked;
-        if (item->data(TorrentContentModelItem::COL_PRIO).toInt() == static_cast<int>(BitTorrent::DownloadPriority::Mixed))
+            if (item->priority() == BitTorrent::DownloadPriority::Mixed)
                 return Qt::PartiallyChecked;
             return Qt::Checked;
         }
+    case Qt::DisplayRole:
+        return item->displayData(index.column());
 
-    if (role == Qt::DisplayRole)
-        return item->data(index.column());
+    case Roles::UnderlyingDataRole:
+        return item->underlyingData(index.column());
 
+    default:
         return {};
+    }
 }
 
 Qt::ItemFlags TorrentContentModel::flags(const QModelIndex &index) const
@@ -367,7 +376,7 @@ Qt::ItemFlags TorrentContentModel::flags(const QModelIndex &index) const
 QVariant TorrentContentModel::headerData(int section, Qt::Orientation orientation, int role) const
 {
     if ((orientation == Qt::Horizontal) && (role == Qt::DisplayRole))
-        return m_rootItem->data(section);
+        return m_rootItem->displayData(section);
 
     return {};
 }

src/gui/torrentcontentmodel.h

@@ -51,6 +51,11 @@ class TorrentContentModel final : public QAbstractItemModel
     Q_DISABLE_COPY(TorrentContentModel)
 
 public:
+    enum Roles
+    {
+        UnderlyingDataRole = Qt::UserRole
+    };
+
     TorrentContentModel(QObject *parent = nullptr);
     ~TorrentContentModel() override;
 

src/gui/torrentcontentmodelfolder.cpp

@@ -43,7 +43,7 @@ TorrentContentModelFolder::TorrentContentModelFolder(const QString &name, Torren
         m_name.chop(4);
 }
 
-TorrentContentModelFolder::TorrentContentModelFolder(const QVector<QVariant> &data)
+TorrentContentModelFolder::TorrentContentModelFolder(const QVector<QString> &data)
     : TorrentContentModelItem(nullptr)
 {
     Q_ASSERT(data.size() == NB_COL);

src/gui/torrentcontentmodelfolder.h

@@ -43,7 +43,7 @@ public:
     TorrentContentModelFolder(const QString &name, TorrentContentModelFolder *parent);
 
     // Invisible root item constructor
-    explicit TorrentContentModelFolder(const QVector<QVariant> &data);
+    explicit TorrentContentModelFolder(const QVector<QString> &data);
 
     ~TorrentContentModelFolder() override;
 

src/gui/torrentcontentmodelitem.cpp

@@ -30,6 +30,9 @@
 
 #include <QVariant>
 
+#include "base/unicodestrings.h"
+#include "base/utils/misc.h"
+#include "base/utils/string.h"
 #include "torrentcontentmodelfolder.h"
 
 TorrentContentModelItem::TorrentContentModelItem(TorrentContentModelFolder *parent)
@@ -99,7 +102,55 @@ int TorrentContentModelItem::columnCount() const
     return NB_COL;
 }
 
-QVariant TorrentContentModelItem::data(int column) const
+QString TorrentContentModelItem::displayData(const int column) const
+{
+    if (isRootItem())
+        return m_itemData.value(column);
+
+    switch (column) {
+    case COL_NAME:
+        return m_name;
+    case COL_PRIO: {
+            switch (m_priority) {
+            case BitTorrent::DownloadPriority::Mixed:
+                return tr("Mixed", "Mixed (priorities");
+            case BitTorrent::DownloadPriority::Ignored:
+                return tr("Not downloaded");
+            case BitTorrent::DownloadPriority::High:
+                return tr("High", "High (priority)");
+            case BitTorrent::DownloadPriority::Maximum:
+                return tr("Maximum", "Maximum (priority)");
+            default:
+                return tr("Normal", "Normal (priority)");
+            }
+        }
+    case COL_PROGRESS: {
+            const qreal progress = m_progress * 100;
+            return (static_cast<int>(progress) == 100)
+                   ? QString::fromLatin1("100%")
+                   : (Utils::String::fromDouble(progress, 1) + QLatin1Char('%'));
+        }
+    case COL_SIZE:
+        return Utils::Misc::friendlyUnit(m_size);
+    case COL_REMAINING:
+        return Utils::Misc::friendlyUnit(remaining());
+    case COL_AVAILABILITY: {
+            const int avail = availability();
+            if (avail < 0)
+                return tr("N/A");
+
+            const QString value = (avail >= 1.0)
+                                  ? QString::fromLatin1("100")
+                                  : Utils::String::fromDouble((avail * 100), 1);
+            return QString {value + C_THIN_SPACE + QLatin1Char('%')};
+        }
+    default:
+        Q_ASSERT(false);
+        return {};
+    }
+}
+
+QVariant TorrentContentModelItem::underlyingData(const int column) const
 {
     if (isRootItem())
         return m_itemData.value(column);
@@ -110,7 +161,7 @@ QVariant TorrentContentModelItem::data(int column) const
     case COL_PRIO:
         return static_cast<int>(m_priority);
     case COL_PROGRESS:
-        return progress();
+        return progress() * 100;
     case COL_SIZE:
         return m_size;
     case COL_REMAINING:

src/gui/torrentcontentmodelitem.h

@@ -29,6 +29,7 @@
 #ifndef TORRENTCONTENTMODELITEM_H
 #define TORRENTCONTENTMODELITEM_H
 
+#include <QCoreApplication>
 #include <QVector>
 
 #include "base/bittorrent/downloadpriority.h"
@@ -39,6 +40,8 @@ class TorrentContentModelFolder;
 
 class TorrentContentModelItem
 {
+    Q_DECLARE_TR_FUNCTIONS(TorrentContentModelItem);
+
 public:
     enum TreeItemColumns
     {
@@ -77,13 +80,14 @@ public:
     virtual void setPriority(BitTorrent::DownloadPriority newPriority, bool updateParent = true) = 0;
 
     int columnCount() const;
-    QVariant data(int column) const;
+    QString displayData(int column) const;
+    QVariant underlyingData(int column) const;
     int row() const;
 
 protected:
     TorrentContentModelFolder *m_parentItem;
     // Root item members
-    QVector<QVariant> m_itemData;
+    QVector<QString> m_itemData;
     // Non-root item members
     QString m_name;
     qulonglong m_size;