Method ToolTreeView

static_libs/tooldatabase/tooltreeview.cpp:23–61

#include <QPushButton>

ToolTreeView::ToolTreeView(QWidget* parent)
    : QTreeView(parent)
{
    setDragDropMode(QAbstractItemView::InternalMove);
    setDefaultDropAction(Qt::MoveAction);
    setAlternatingRowColors(true);
    setAnimated(true);

    m_model = new ToolModel(this);
    setModel(m_model);
    connect(selectionModel(), &QItemSelectionModel::selectionChanged, this, &ToolTreeView::updateActions);
    header()->setSectionResizeMode(QHeaderView::ResizeToContents);
    header()->setSectionResizeMode(1, QHeaderView::Stretch);
    setMinimumWidth(400);
    {
        setIconSize(QSize(24, 24));
        const int w = indentation();
        const int h = rowHeight(model()->index(0, 0, QModelIndex()));
        QImage i(w, h, QImage::Format_ARGB32);
        QPainter p(&i);
        p.setPen(QColor(128, 128, 128));
        // │
        i.fill(Qt::transparent);
        p.drawLine(w >> 1, /**/ 0, w >> 1, /**/ h);
        i.save("settings/vline.png", "PNG");
        // ├─
        p.drawLine(w >> 1, h >> 1, /**/ w, h >> 1);
        i.save("settings/branch-more.png", "PNG");
        // └─
        i.fill(Qt::transparent);
        p.drawLine(w >> 1, /**/ 0, w >> 1, h >> 1);
        p.drawLine(w >> 1, h >> 1, /**/ w, h >> 1);
        i.save("settings/branch-end.png", "PNG");
        QFile file(":/qtreeviewstylesheet/QTreeView.qss");
        file.open(QFile::ReadOnly);
        setStyleSheet(file.readAll());
        header()->setMinimumHeight(h);
    }
}

void ToolTreeView::newGroup()
{