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(fix) use 'played' track color also for Played delegate
Add CheckboxDelegate base class, use it for BPMDelegate and play count delegate. This allows moving redundant paintItem() code to CheckboxDelegate.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,21 +1,12 @@ | ||
| #pragma once | ||
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| #include "library/tabledelegates/tableitemdelegate.h" | ||
| #include "library/tabledelegates/checkboxdelegate.h" | ||
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| class QCheckBox; | ||
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| class BPMDelegate : public TableItemDelegate { | ||
| class BPMDelegate : public CheckboxDelegate { | ||
| Q_OBJECT | ||
| public: | ||
| explicit BPMDelegate(QTableView* pTableView); | ||
| virtual ~BPMDelegate(); | ||
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| void paintItem(QPainter* painter, | ||
| const QStyleOptionViewItem& option, | ||
| const QModelIndex& index) const override; | ||
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| private: | ||
| QCheckBox* m_pCheckBox; | ||
| QItemEditorFactory* m_pFactory; | ||
| mutable QColor m_cachedTextColor; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| #include "library/tabledelegates/checkboxdelegate.h" | ||
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| #include <QCheckBox> | ||
| #include <QPainter> | ||
| #include <QTableView> | ||
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| #include "moc_checkboxdelegate.cpp" | ||
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| CheckboxDelegate::CheckboxDelegate(QTableView* pTableView, const QString& checkboxName) | ||
| : TableItemDelegate(pTableView), | ||
| m_pCheckBox(new QCheckBox(m_pTableView)), | ||
| m_checkboxName(checkboxName) { | ||
| m_pCheckBox->setObjectName(checkboxName); | ||
| // NOTE(rryan): Without ensurePolished the first render of the QTableView | ||
| // shows the checkbox unstyled. Not sure why -- but this fixes it. | ||
| m_pCheckBox->ensurePolished(); | ||
| m_pCheckBox->hide(); | ||
| } | ||
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| void CheckboxDelegate::paintItem(QPainter* painter, | ||
| const QStyleOptionViewItem& option, | ||
| const QModelIndex& index) const { | ||
| // NOTE(rryan): Qt has a built-in limitation that we cannot style multiple | ||
| // CheckState indicators in the same QAbstractItemView. The CSS rule | ||
| // QTableView::indicator:checked applies to all columns with a | ||
| // CheckState. This is a big pain if we want to use CheckState roles on two | ||
| // columns (i.e. the played column and the BPM column) with different | ||
| // styling. We typically want a lock icon for the BPM check-state and a | ||
| // check-box for the times-played column and may want more in the future. | ||
| // | ||
| // This workaround creates a hidden QComboBox named LibraryBPMButton. We use | ||
| // the parent QTableView's QStyle with the hidden QComboBox as the source of | ||
| // style rules to draw a CE_ItemViewItem. | ||
| // | ||
| // Here's how you would typically style the LibraryBPMButton: | ||
| // #LibraryBPMButton::indicator:checked { | ||
| // image: url(:/images/library/ic_library_locked.svg); | ||
| // } | ||
| // #LibraryBPMButton::indicator:unchecked { | ||
| // image: url(:/images/library/ic_library_unlocked.svg); | ||
| // } | ||
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| // Actually QAbstractTableModel::data(index, BackgroundRole) provides the | ||
| // correct custom background color (track color). | ||
| // Though, since Qt6 the above style rules would not apply for some reason, | ||
| // (see bug #11630) which can be fixed by also setting | ||
| // #LibraryBPMButton::item { border: 0px;} | ||
| // This however enables some default styles and clears the custom background | ||
| // color (track color), see bug #12355 ¯\_(ツ)_/¯ Qt is fun! | ||
| // Fix that by setting the bg color explicitly here. | ||
| paintItemBackground(painter, option, index); | ||
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| QStyleOptionViewItem opt = option; | ||
| initStyleOption(&opt, index); | ||
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| // The checkbox uses the QTableView's qss style, therefore it's not picking | ||
| // up the 'missing' or 'played' text color via ForegroundRole from | ||
| // BaseTrackTableModel::data(). | ||
| // Enforce it with an explicit stylesheet. Note: the stylesheet persists so | ||
| // we need to reset it to normal/highlighted. | ||
| QColor textColor; | ||
| if (option.state & QStyle::State_Selected) { | ||
| textColor = option.palette.color(QPalette::Normal, QPalette::HighlightedText); | ||
| } else { | ||
| auto colorData = index.data(Qt::ForegroundRole); | ||
| if (colorData.canConvert<QColor>()) { | ||
| textColor = colorData.value<QColor>(); | ||
| } else { | ||
| textColor = option.palette.color(QPalette::Normal, QPalette::Text); | ||
| } | ||
| } | ||
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| if (textColor.isValid() && textColor != m_cachedTextColor) { | ||
| m_cachedTextColor = textColor; | ||
| m_pCheckBox->setStyleSheet(QStringLiteral( | ||
| "#%1::item { color: %2; }") | ||
| .arg(m_checkboxName, | ||
| textColor.name(QColor::HexRgb))); | ||
| } | ||
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| QStyle* style = m_pTableView->style(); | ||
| if (style != nullptr) { | ||
| style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, m_pCheckBox); | ||
| } | ||
| } |
8 changes: 5 additions & 3 deletions
8
...ibrary/tabledelegates/playcountdelegate.h → ...library/tabledelegates/checkboxdelegate.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,19 +1,21 @@ | ||
| #pragma once | ||
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| #include "library/tabledelegates/tableitemdelegate.h" | ||
| #include "util/parented_ptr.h" | ||
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| class QCheckBox; | ||
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| class PlayCountDelegate : public TableItemDelegate { | ||
| class CheckboxDelegate : public TableItemDelegate { | ||
| Q_OBJECT | ||
| public: | ||
| explicit PlayCountDelegate(QTableView* pTableView); | ||
| explicit CheckboxDelegate(QTableView* pTableView, const QString& checkboxName); | ||
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| void paintItem(QPainter* painter, | ||
| const QStyleOptionViewItem& option, | ||
| const QModelIndex& index) const override; | ||
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| private: | ||
| QTableView* m_pTableView; | ||
| QCheckBox* m_pCheckBox; | ||
| const QString m_checkboxName; | ||
| mutable QColor m_cachedTextColor; | ||
| }; |
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