* 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 <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 {
-Header::Header(View &parent) :
- MarginWidget(parent),
- _dragging(false)
-{
- setMouseTracking(true);
-
- connect(&_view.session(), SIGNAL(signals_changed()),
- this, SLOT(on_signals_changed()));
+const int Header::Padding = 12;
+const int Header::BaselineOffset = 5;
- connect(&_view, SIGNAL(signals_moved()),
- this, SLOT(on_signals_moved()));
+static bool item_selected(shared_ptr<TraceTreeItem> r)
+{
+ return r->selected();
}
-shared_ptr<Trace> Header::get_mouse_over_trace(const QPoint &pt)
+Header::Header(View &parent) :
+ MarginWidget(parent)
{
- const int w = width();
- const vector< shared_ptr<Trace> > traces(_view.get_traces());
-
- BOOST_FOREACH(const shared_ptr<Trace> t, traces)
- {
- assert(t);
- if (t->pt_in_label_rect(0, w, pt))
- return t;
- }
-
- return shared_ptr<Trace>();
}
-void Header::clear_selection()
+QSize Header::sizeHint() const
{
- const vector< shared_ptr<Trace> > traces(_view.get_traces());
- BOOST_FOREACH(const shared_ptr<Trace> t, traces) {
- assert(t);
- t->select(false);
- }
-
- update();
+ 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);
}
-void Header::paintEvent(QPaintEvent*)
+QSize Header::extended_size_hint() const
{
- const int w = width();
- const vector< shared_ptr<Trace> > traces(_view.get_traces());
-
- QPainter painter(this);
- painter.setRenderHint(QPainter::Antialiasing);
-
- const bool dragging = !_drag_traces.empty();
- BOOST_FOREACH(const shared_ptr<Trace> t, traces)
- {
- assert(t);
+ return sizeHint() + QSize(ViewItem::HighlightRadius, 0);
+}
- const bool highlight = !dragging && t->pt_in_label_rect(
- 0, w, _mouse_point);
- t->paint_label(painter, w, highlight);
- }
+vector< shared_ptr<ViewItem> > Header::items()
+{
+ const vector<shared_ptr<TraceTreeItem>> items(
+ view_.list_by_type<TraceTreeItem>());
+ return vector< shared_ptr<ViewItem> >(items.begin(), items.end());
+}
- painter.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::mousePressEvent(QMouseEvent *event)
+void Header::paintEvent(QPaintEvent*)
{
- assert(event);
+ // 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());
- const vector< shared_ptr<Trace> > traces(_view.get_traces());
+ vector< shared_ptr<RowItem> > items(
+ view_.list_by_type<RowItem>());
- if (event->button() & Qt::LeftButton) {
- _mouse_down_point = event->pos();
+ 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(); });
- // Save the offsets of any signals which will be dragged
- BOOST_FOREACH(const shared_ptr<Trace> t, traces)
- if (t->selected())
- _drag_traces.push_back(
- make_pair(t, t->get_v_offset()));
- }
+ QPainter painter(this);
+ painter.setRenderHint(QPainter::Antialiasing);
- // Select the signal if it has been clicked
- const shared_ptr<Trace> mouse_over_trace =
- get_mouse_over_trace(event->pos());
- if (mouse_over_trace) {
- if (mouse_over_trace->selected())
- mouse_over_trace->select(false);
- else {
- mouse_over_trace->select(true);
-
- if (~QApplication::keyboardModifiers() &
- Qt::ControlModifier)
- _drag_traces.clear();
-
- // Add the signal to the drag list
- if (event->button() & Qt::LeftButton)
- _drag_traces.push_back(
- make_pair(mouse_over_trace,
- mouse_over_trace->get_v_offset()));
- }
- }
+ for (const shared_ptr<RowItem> r : items) {
+ assert(r);
- if (~QApplication::keyboardModifiers() & Qt::ControlModifier) {
- // Unselect all other signals because the Ctrl is not
- // pressed
- BOOST_FOREACH(const shared_ptr<Trace> t, traces)
- if (t != mouse_over_trace)
- t->select(false);
+ const bool highlight = !item_dragging_ &&
+ r->label_rect(rect).contains(mouse_point_);
+ r->paint_label(painter, rect, highlight);
}
- selection_changed();
- update();
-}
-
-void Header::mouseReleaseEvent(QMouseEvent *event)
-{
- assert(event);
- if (event->button() == Qt::LeftButton) {
- _dragging = false;
- _drag_traces.clear();
- _view.normalize_layout();
- }
+ painter.end();
}
-void Header::mouseMoveEvent(QMouseEvent *event)
+void Header::contextMenuEvent(QContextMenuEvent *event)
{
- assert(event);
- _mouse_point = event->pos();
-
- if (!(event->buttons() & Qt::LeftButton))
+ const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_);
+ if (!r)
return;
- if ((event->pos() - _mouse_down_point).manhattanLength() <
- QApplication::startDragDistance())
- return;
+ QMenu *menu = r->create_context_menu(this);
+ if (!menu)
+ menu = new QMenu(this);
- // Move the signals if we are dragging
- if (!_drag_traces.empty())
+ const vector< shared_ptr<TraceTreeItem> > items(
+ view_.list_by_type<TraceTreeItem>());
+ if (std::count_if(items.begin(), items.end(), item_selected) > 1)
{
- _dragging = true;
-
- const int delta = event->pos().y() - _mouse_down_point.y();
-
- for (std::list<std::pair<boost::weak_ptr<Trace>,
- int> >::iterator i = _drag_traces.begin();
- i != _drag_traces.end(); i++) {
- const boost::shared_ptr<Trace> trace((*i).first);
- if (trace) {
- const int y = (*i).second + delta;
- const int y_snap =
- ((y + View::SignalSnapGridSize / 2) /
- View::SignalSnapGridSize) *
- View::SignalSnapGridSize;
- trace->set_v_offset(y_snap);
-
- // Ensure the trace is selected
- trace->select();
- }
-
- }
-
- signals_moved();
+ 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);
}
- update();
+ menu->exec(event->globalPos());
}
-void Header::leaveEvent(QEvent*)
+void Header::keyPressEvent(QKeyEvent *event)
{
- _mouse_point = QPoint(-1, -1);
- update();
-}
+ assert(event);
-void Header::contextMenuEvent(QContextMenuEvent *event)
-{
- const shared_ptr<Trace> t = get_mouse_over_trace(_mouse_point);
+ MarginWidget::keyPressEvent(event);
- if (t)
- t->create_context_menu(this)->exec(event->globalPos());
+ 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_signals_changed()
+void Header::on_group()
{
- const vector< shared_ptr<Trace> > traces(_view.get_traces());
- BOOST_FOREACH(shared_ptr<Trace> t, traces) {
- assert(t);
- connect(t.get(), SIGNAL(text_changed()), this, SLOT(update()));
+ 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);
}
}
-void Header::on_signals_moved()
+void Header::on_ungroup()
{
- update();
+ 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 pv