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#include "modlistview.h"
#include <widgetutility.h>
#include <QUrl>
#include <QMimeData>
#include <QProxyStyle>
class ModListProxyStyle : public QProxyStyle {
public:
using QProxyStyle::QProxyStyle;
void drawPrimitive(PrimitiveElement element, const QStyleOption* option, QPainter* painter, const QWidget* widget) const
{
if (element == QStyle::PE_IndicatorItemViewItemDrop)
{
QStyleOption opt(*option);
opt.rect.setLeft(20);
if (auto* view = qobject_cast<const QTreeView*>(widget)) {
opt.rect.setRight(widget->width());
}
QProxyStyle::drawPrimitive(element, &opt, painter, widget);
}
else {
QProxyStyle::drawPrimitive(element, option, painter, widget);
}
}
};
class ModListStyledItemDelegated : public QStyledItemDelegate
{
public:
using QStyledItemDelegate::QStyledItemDelegate;
void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override {
QStyleOptionViewItem opt(option);
if (index.column() == 0)
opt.rect.adjust(opt.rect.height(), 0, 0, 0);
QStyledItemDelegate::paint(painter, opt, index);
if (index.column() == 0) {
QStyleOptionViewItem branch;
branch.rect = QRect(0, opt.rect.y(), opt.rect.height(), opt.rect.height());
branch.state = option.state;
const QWidget* widget = option.widget;
QStyle* style = widget ? widget->style() : QApplication::style();
style->drawPrimitive(QStyle::PE_IndicatorBranch, &branch, painter, widget);
}
}
};
ModListView::ModListView(QWidget* parent)
: QTreeView(parent)
, m_scrollbar(new ViewMarkingScrollBar(this->model(), this))
{
setVerticalScrollBar(m_scrollbar);
MOBase::setCustomizableColumns(this);
setAutoExpandDelay(1000);
setIndentation(0);
setStyle(new ModListProxyStyle(style()));
setItemDelegate(new ModListStyledItemDelegated(this));
}
void ModListView::setModel(QAbstractItemModel* model)
{
QTreeView::setModel(model);
setVerticalScrollBar(new ViewMarkingScrollBar(model, this));
}
QModelIndexList ModListView::selectedIndexes() const
{
return m_inDragMoveEvent ? QModelIndexList() : QTreeView::selectedIndexes();
}
void ModListView::dragEnterEvent(QDragEnterEvent* event)
{
emit dragEntered(event->mimeData());
QTreeView::dragEnterEvent(event);
}
void ModListView::dragMoveEvent(QDragMoveEvent* event)
{
if (autoExpandDelay() >= 0) {
m_openTimer.start(autoExpandDelay(), this);
}
// bypass QTreeView
m_inDragMoveEvent = true;
QAbstractItemView::dragMoveEvent(event);
m_inDragMoveEvent = false;
}
void ModListView::dropEvent(QDropEvent* event)
{
emit dropEntered(event->mimeData(), static_cast<DropPosition>(dropIndicatorPosition()));
m_inDragMoveEvent = true;
QTreeView::dropEvent(event);
m_inDragMoveEvent = false;
}
void ModListView::timerEvent(QTimerEvent* event)
{
if (event->timerId() == m_openTimer.timerId()) {
QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
if (state() == QAbstractItemView::DraggingState
&& viewport()->rect().contains(pos)) {
QModelIndex index = indexAt(pos);
setExpanded(index, true);
}
m_openTimer.stop();
}
else {
QTreeView::timerEvent(event);
}
}
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