Mercurial > minori
annotate src/gui/widgets/sidebar.cc @ 264:9a04802848c0
*: improve multiple things
e.g. making some strings.cc functions modify strings in-place,
improving m4_ax_have_qt.m4 code, making anime_db.cc rely on
std::optional rather than std::shared_ptr (which was stupid
anyway)
| author | Paper <paper@paper.us.eu.org> |
|---|---|
| date | Thu, 11 Apr 2024 10:15:57 -0400 |
| parents | 862d0d8619f6 |
| children | 9a88e1725fd2 |
| rev | line source |
|---|---|
| 46 | 1 #include "gui/widgets/sidebar.h" |
| 2 #include <QFrame> | |
| 3 #include <QListWidget> | |
| 4 #include <QListWidgetItem> | |
| 5 #include <QMouseEvent> | |
| 6 | |
| 7 SideBar::SideBar(QWidget* parent) : QListWidget(parent) { | |
| 8 setFrameShape(QFrame::NoFrame); | |
| 9 setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); | |
| 10 setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); | |
| 11 setSelectionMode(QAbstractItemView::SingleSelection); | |
| 12 setSelectionBehavior(QAbstractItemView::SelectItems); | |
| 13 setMouseTracking(true); | |
| 14 /* FIXME: is there an easy way to do this with palettes? */ | |
| 15 setStyleSheet("QListWidget::item:disabled { background: transparent }"); | |
| 69 | 16 |
| 17 SetBackgroundColor(Qt::transparent); | |
| 46 | 18 |
| 19 connect(this, &QListWidget::currentRowChanged, this, | |
| 20 [this](int index) { emit CurrentItemChanged(RemoveSeparatorsFromIndex(index)); }); | |
| 21 } | |
| 22 | |
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23 void SideBar::SetCurrentItem(int index) { |
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24 setCurrentRow(AddSeparatorsToIndex(index)); |
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25 } |
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26 |
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27 int SideBar::GetCurrentItem() { |
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28 return RemoveSeparatorsFromIndex(currentRow()); |
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29 } |
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30 |
| 69 | 31 void SideBar::SetBackgroundColor(QColor color) { |
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32 viewport()->setAutoFillBackground(color != Qt::transparent); |
| 250 | 33 |
| 69 | 34 QPalette pal(palette()); |
| 35 pal.setColor(QPalette::Window, color); | |
| 36 setPalette(pal); | |
| 37 } | |
| 38 | |
| 46 | 39 QListWidgetItem* SideBar::AddItem(QString name, QIcon icon) { |
| 40 QListWidgetItem* item = new QListWidgetItem(this); | |
| 41 item->setText(name); | |
| 42 if (!icon.isNull()) | |
| 43 item->setIcon(icon); | |
| 44 return item; | |
| 45 } | |
| 46 | |
| 47 QIcon SideBar::CreateIcon(const char* file) { | |
| 48 QPixmap pixmap(file, "PNG"); | |
| 49 QIcon result; | |
| 50 result.addPixmap(pixmap, QIcon::Normal); | |
| 51 result.addPixmap(pixmap, QIcon::Selected); | |
| 52 return result; | |
| 53 } | |
| 54 | |
| 55 QListWidgetItem* SideBar::AddSeparator() { | |
| 56 QListWidgetItem* item = new QListWidgetItem(this); | |
| 57 QFrame* line = new QFrame(this); | |
| 58 line->setFrameShape(QFrame::HLine); | |
| 59 line->setFrameShadow(QFrame::Sunken); | |
| 60 line->setMouseTracking(true); | |
| 61 line->setEnabled(false); | |
| 62 | |
| 63 setItemWidget(item, line); | |
| 64 item->setFlags(Qt::NoItemFlags); | |
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65 item->setBackground(QBrush(Qt::transparent)); |
| 46 | 66 return item; |
| 67 } | |
| 68 | |
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69 int SideBar::AddSeparatorsToIndex(int index) { |
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70 int separators = 0, items = 0; |
| 250 | 71 |
| 258 | 72 for (; items <= index;) { |
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73 if (IndexIsSeparator(indexFromItem(item(items + separators)))) { |
| 250 | 74 separators++; |
| 75 } else { | |
| 76 items++; | |
| 77 } | |
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78 } |
| 250 | 79 |
| 80 return index + separators; | |
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81 } |
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82 |
| 46 | 83 int SideBar::RemoveSeparatorsFromIndex(int index) { |
| 250 | 84 int i = 0, items = 0; |
| 85 for (; i < index; i++) { | |
| 46 | 86 if (!IndexIsSeparator(indexFromItem(item(i)))) |
| 250 | 87 items++; |
| 46 | 88 } |
| 250 | 89 return items; |
| 46 | 90 } |
| 91 | |
| 92 bool SideBar::IndexIsSeparator(QModelIndex index) const { | |
| 250 | 93 return !index.isValid() || !(index.flags() & Qt::ItemIsEnabled); |
| 46 | 94 } |
| 95 | |
| 96 QItemSelectionModel::SelectionFlags SideBar::selectionCommand(const QModelIndex& index, const QEvent*) const { | |
| 97 if (IndexIsSeparator(index)) | |
| 98 return QItemSelectionModel::NoUpdate; | |
| 99 return QItemSelectionModel::ClearAndSelect; | |
| 100 } | |
| 101 | |
| 102 void SideBar::mouseMoveEvent(QMouseEvent* event) { | |
| 103 if (!IndexIsSeparator(indexAt(event->pos()))) | |
| 104 setCursor(Qt::PointingHandCursor); | |
| 105 else | |
| 106 unsetCursor(); | |
| 107 QListView::mouseMoveEvent(event); | |
| 108 } |