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#include "modlistview.h"
#include <widgetutility.h>
#include <QUrl>
#include <QMimeData>
#include <QProxyStyle>
#include "modlist.h"
#include "log.h"
class ModListProxyStyle : public QProxyStyle {
public:
using QProxyStyle::QProxyStyle;
void drawPrimitive(PrimitiveElement element, const QStyleOption* option, QPainter* painter, const QWidget* widget) const override
{
if (element == QStyle::PE_IndicatorItemViewItemDrop)
{
QStyleOption opt(*option);
opt.rect.setLeft(0);
if (auto* view = qobject_cast<const QTreeView*>(widget)) {
opt.rect.setLeft(view->indentation());
opt.rect.setRight(widget->width());
}
QProxyStyle::drawPrimitive(element, &opt, painter, widget);
}
else {
QProxyStyle::drawPrimitive(element, option, painter, widget);
}
}
QRect subElementRect(QStyle::SubElement element, const QStyleOption* option, const QWidget* widget) const override
{
QRect rect = QProxyStyle::subElementRect(element, option, widget);
switch (element) {
case SE_ItemViewItemCheckIndicator:
case SE_ItemViewItemDecoration:
case SE_ItemViewItemText:
case SE_ItemViewItemFocusRect:
rect.adjust(-20, 0, 0, 0);
break;
}
return rect;
}
};
class ModListStyledItemDelegated : public QStyledItemDelegate
{
QTreeView* m_view;
public:
ModListStyledItemDelegated(QTreeView* view) :
QStyledItemDelegate(view), m_view(view) { }
using QStyledItemDelegate::QStyledItemDelegate;
void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override {
QStyleOptionViewItem opt(option);
if (index.column() == 0) {
if (!index.model()->hasChildren(index) && index.parent().isValid()) {
auto parentIndex = index.parent().data(ModList::IndexRole).toInt();
if (ModInfo::getByIndex(parentIndex)->isSeparator()) {
opt.rect.adjust(-m_view->indentation(), 0, 0, 0);
}
}
}
QStyledItemDelegate::paint(painter, opt, index);
}
};
ModListView::ModListView(QWidget* parent)
: QTreeView(parent)
, m_scrollbar(new ViewMarkingScrollBar(this->model(), this))
{
setVerticalScrollBar(m_scrollbar);
MOBase::setCustomizableColumns(this);
setAutoExpandDelay(1000);
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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