* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "header.h"
-#include "view.h"
+#include "header.hpp"
+#include "view.hpp"
-#include "../signal.h"
-#include "../sigsession.h"
+#include "signal.hpp"
+#include "tracegroup.hpp"
-#include <assert.h>
+#include <cassert>
+#include <algorithm>
-#include <boost/foreach.hpp>
+#include <boost/iterator/filter_iterator.hpp>
+#include <QApplication>
+#include <QMenu>
+#include <QMouseEvent>
#include <QPainter>
#include <QRect>
-using namespace boost;
-using namespace std;
+#include <pv/session.hpp>
+#include <pv/widgets/popup.hpp>
+
+using boost::make_filter_iterator;
+using std::dynamic_pointer_cast;
+using std::max;
+using std::make_pair;
+using std::min;
+using std::pair;
+using std::shared_ptr;
+using std::stable_sort;
+using std::vector;
namespace pv {
-namespace view {
+namespace views {
+namespace TraceView {
+
+const int Header::Padding = 12;
+const int Header::BaselineOffset = 5;
+
+static bool item_selected(shared_ptr<TraceTreeItem> r)
+{
+ return r->selected();
+}
Header::Header(View &parent) :
- QWidget(&parent),
- _view(parent)
+ MarginWidget(parent)
+{
+}
+
+QSize Header::sizeHint() const
+{
+ QRectF max_rect(-Padding, 0, Padding, 0);
+ const vector<shared_ptr<TraceTreeItem>> items(
+ view_.list_by_type<TraceTreeItem>());
+ for (auto &i : items)
+ if (i->enabled())
+ max_rect = max_rect.united(i->label_rect(QRect()));
+ return QSize(max_rect.width() + Padding + BaselineOffset, 0);
+}
+
+QSize Header::extended_size_hint() const
{
+ return sizeHint() + QSize(ViewItem::HighlightRadius, 0);
}
-void Header::paintEvent(QPaintEvent *event)
+vector< shared_ptr<ViewItem> > Header::items()
{
- const int w = width();
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ const vector<shared_ptr<TraceTreeItem>> items(
+ view_.list_by_type<TraceTreeItem>());
+ return vector< shared_ptr<ViewItem> >(items.begin(), items.end());
+}
+
+shared_ptr<ViewItem> Header::get_mouse_over_item(const QPoint &pt)
+{
+ const QRect r(0, 0, width() - BaselineOffset, height());
+ const vector<shared_ptr<TraceTreeItem>> items(
+ view_.list_by_type<TraceTreeItem>());
+ for (auto i = items.rbegin(); i != items.rend(); i++)
+ if ((*i)->enabled() && (*i)->label_rect(r).contains(pt))
+ return *i;
+ return shared_ptr<TraceTreeItem>();
+}
+
+void Header::paintEvent(QPaintEvent*)
+{
+ // The trace labels are not drawn with the arrows exactly on the
+ // left edge of the widget, because then the selection shadow
+ // would be clipped away.
+ const QRect rect(0, 0, width() - BaselineOffset, height());
+
+ vector< shared_ptr<RowItem> > items(
+ view_.list_by_type<RowItem>());
+
+ stable_sort(items.begin(), items.end(),
+ [](const shared_ptr<RowItem> &a, const shared_ptr<RowItem> &b) {
+ return a->point(QRect()).y() < b->point(QRect()).y(); });
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
- int offset = -_view.v_offset();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ for (const shared_ptr<RowItem> r : items) {
+ assert(r);
+
+ const bool highlight = !item_dragging_ &&
+ r->label_rect(rect).contains(mouse_point_);
+ r->paint_label(painter, rect, highlight);
+ }
+
+ painter.end();
+}
+
+void Header::contextMenuEvent(QContextMenuEvent *event)
+{
+ const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_);
+ if (!r)
+ return;
+
+ QMenu *menu = r->create_context_menu(this);
+ if (!menu)
+ menu = new QMenu(this);
+
+ const vector< shared_ptr<TraceTreeItem> > items(
+ view_.list_by_type<TraceTreeItem>());
+ if (std::count_if(items.begin(), items.end(), item_selected) > 1)
{
- assert(s);
+ menu->addSeparator();
+
+ QAction *const group = new QAction(tr("Group"), this);
+ QList<QKeySequence> shortcuts;
+ shortcuts.append(QKeySequence(Qt::ControlModifier | Qt::Key_G));
+ group->setShortcuts(shortcuts);
+ connect(group, SIGNAL(triggered()), this, SLOT(on_group()));
+ menu->addAction(group);
+ }
+
+ menu->exec(event->globalPos());
+}
+
+void Header::keyPressEvent(QKeyEvent *event)
+{
+ assert(event);
- const QRect label_rect(0, offset, w, View::SignalHeight);
- s->paint_label(painter, label_rect);
+ MarginWidget::keyPressEvent(event);
- offset += View::SignalHeight;
+ if (event->key() == Qt::Key_G && event->modifiers() == Qt::ControlModifier)
+ on_group();
+ else if (event->key() == Qt::Key_U && event->modifiers() == Qt::ControlModifier)
+ on_ungroup();
+}
+
+void Header::on_group()
+{
+ const vector< shared_ptr<TraceTreeItem> > items(
+ view_.list_by_type<TraceTreeItem>());
+ vector< shared_ptr<TraceTreeItem> > selected_items(
+ make_filter_iterator(item_selected, items.begin(), items.end()),
+ make_filter_iterator(item_selected, items.end(), items.end()));
+ stable_sort(selected_items.begin(), selected_items.end(),
+ [](const shared_ptr<TraceTreeItem> &a, const shared_ptr<TraceTreeItem> &b) {
+ return a->visual_v_offset() < b->visual_v_offset(); });
+
+ shared_ptr<TraceGroup> group(new TraceGroup());
+ shared_ptr<TraceTreeItem> mouse_down_item(
+ std::dynamic_pointer_cast<TraceTreeItem>(mouse_down_item_));
+ shared_ptr<TraceTreeItem> focus_item(
+ mouse_down_item ? mouse_down_item : selected_items.front());
+
+ assert(focus_item);
+ assert(focus_item->owner());
+ focus_item->owner()->add_child_item(group);
+
+ // Set the group v_offset here before reparenting
+ group->force_to_v_offset(focus_item->layout_v_offset() +
+ focus_item->v_extents().first);
+
+ for (size_t i = 0; i < selected_items.size(); i++) {
+ const shared_ptr<TraceTreeItem> &r = selected_items[i];
+ assert(r->owner());
+ r->owner()->remove_child_item(r);
+ group->add_child_item(r);
+
+ // Put the items at 1-pixel offsets, so that restack will
+ // stack them in the right order
+ r->set_layout_v_offset(i);
}
+}
- painter.end();
+void Header::on_ungroup()
+{
+ bool restart;
+ do {
+ restart = false;
+ const vector< shared_ptr<TraceGroup> > groups(
+ view_.list_by_type<TraceGroup>());
+ for (const shared_ptr<TraceGroup> tg : groups)
+ if (tg->selected()) {
+ tg->ungroup();
+ restart = true;
+ break;
+ }
+ } while (restart);
}
-} // namespace view
+} // namespace TraceView
+} // namespace views
} // namespace pv