#include "header.h"
#include "view.h"
-#include "../signal.h"
+#include "signal.h"
+#include "tracegroup.h"
#include "../sigsession.h"
-#include <assert.h>
+#include <cassert>
+#include <algorithm>
-#include <boost/foreach.hpp>
+#include <boost/iterator/filter_iterator.hpp>
-#include <QInputDialog>
+#include <QApplication>
#include <QMenu>
#include <QMouseEvent>
#include <QPainter>
#include <QRect>
-using namespace boost;
-using namespace std;
+#include <pv/widgets/popup.h>
+
+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 {
+const int Header::Padding = 12;
+const int Header::BaselineOffset = 5;
+
+static bool item_selected(shared_ptr<RowItem> r)
+{
+ return r->selected();
+}
+
Header::Header(View &parent) :
- QWidget(&parent),
- _view(parent),
- _action_set_name(new QAction(tr("Set &Name..."), this))
+ MarginWidget(parent),
+ _dragging(false)
{
+ setFocusPolicy(Qt::ClickFocus);
setMouseTracking(true);
- connect(_action_set_name, SIGNAL(triggered()),
- this, SLOT(on_action_set_name_triggered()));
+ connect(&_view, SIGNAL(signals_moved()),
+ this, SLOT(on_signals_moved()));
+}
+
+QSize Header::sizeHint() const
+{
+ QRectF max_rect(-Padding, 0, Padding, 0);
+ for (auto &i : _view)
+ if (i->enabled())
+ max_rect = max_rect.united(i->label_rect(0));
+ return QSize(max_rect.width() + Padding + BaselineOffset, 0);
+}
+
+shared_ptr<RowItem> Header::get_mouse_over_row_item(const QPoint &pt)
+{
+ const int w = width() - BaselineOffset;
+ for (auto &i : _view)
+ if (i->enabled() && i->label_rect(w).contains(pt))
+ return i;
+ return shared_ptr<RowItem>();
+}
+
+void Header::clear_selection()
+{
+ for (auto &i : _view)
+ i->select(false);
+ update();
+}
+
+void Header::show_popup(const shared_ptr<RowItem> &item)
+{
+ using pv::widgets::Popup;
+
+ Popup *const p = item->create_popup(&_view);
+ if (!p)
+ return;
+
+ const QPoint pt(width() - BaselineOffset, item->get_visual_y());
+ p->set_position(mapToGlobal(pt), Popup::Right);
+ p->show();
}
-void Header::paintEvent(QPaintEvent *event)
+void Header::paintEvent(QPaintEvent*)
{
- const int w = width();
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ // 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 int w = width() - BaselineOffset;
+
+ vector< shared_ptr<RowItem> > row_items(
+ _view.begin(), _view.end());
+
+ stable_sort(row_items.begin(), row_items.end(),
+ [](const shared_ptr<RowItem> &a, const shared_ptr<RowItem> &b) {
+ return a->visual_v_offset() < b->visual_v_offset(); });
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 : row_items)
{
- assert(s);
+ assert(r);
+
+ const bool highlight = !_dragging &&
+ r->label_rect(w).contains(_mouse_point);
+ r->paint_label(painter, w, highlight);
+ }
+
+ painter.end();
+}
+
+void Header::mouseLeftPressEvent(QMouseEvent *event)
+{
+ (void)event;
- const QRect signal_heading_rect(
- 0, offset, w, View::SignalHeight);
+ const bool ctrl_pressed =
+ QApplication::keyboardModifiers() & Qt::ControlModifier;
- s->paint_label(painter, signal_heading_rect,
- s->pt_in_label_rect(signal_heading_rect, _mouse_point));
+ // Clear selection if control is not pressed and this item is unselected
+ if ((!_mouse_down_item || !_mouse_down_item->selected()) &&
+ !ctrl_pressed)
+ for (shared_ptr<RowItem> r : _view)
+ r->select(false);
- offset += View::SignalHeight;
+ // Set the signal selection state if the item has been clicked
+ if (_mouse_down_item) {
+ if (ctrl_pressed)
+ _mouse_down_item->select(!_mouse_down_item->selected());
+ else
+ _mouse_down_item->select(true);
}
- painter.end();
+ // Save the offsets of any signals which will be dragged
+ for (const shared_ptr<RowItem> r : _view)
+ if (r->selected())
+ r->drag();
+
+ selection_changed();
+ update();
+}
+
+void Header::mousePressEvent(QMouseEvent *event)
+{
+ assert(event);
+
+ _mouse_down_point = event->pos();
+ _mouse_down_item = get_mouse_over_row_item(event->pos());
+
+ if (event->button() & Qt::LeftButton)
+ mouseLeftPressEvent(event);
+}
+
+void Header::mouseLeftReleaseEvent(QMouseEvent *event)
+{
+ assert(event);
+
+ const bool ctrl_pressed =
+ QApplication::keyboardModifiers() & Qt::ControlModifier;
+
+ // Unselect everything if control is not pressed
+ const shared_ptr<RowItem> mouse_over =
+ get_mouse_over_row_item(event->pos());
+
+ for (auto &r : _view)
+ r->drag_release();
+
+ if (_dragging)
+ _view.restack_all_row_items();
+ else
+ {
+ if (!ctrl_pressed) {
+ for (shared_ptr<RowItem> r : _view)
+ if (_mouse_down_item != r)
+ r->select(false);
+
+ if (_mouse_down_item)
+ show_popup(_mouse_down_item);
+ }
+ }
+
+ _dragging = false;
+}
+
+void Header::mouseReleaseEvent(QMouseEvent *event)
+{
+ assert(event);
+ if (event->button() & Qt::LeftButton)
+ mouseLeftReleaseEvent(event);
+
+ _mouse_down_item = nullptr;
}
void Header::mouseMoveEvent(QMouseEvent *event)
{
assert(event);
_mouse_point = event->pos();
+
+ if (!(event->buttons() & Qt::LeftButton))
+ return;
+
+ if ((event->pos() - _mouse_down_point).manhattanLength() <
+ QApplication::startDragDistance())
+ return;
+
+ // Check all the drag items share a common owner
+ RowItemOwner *item_owner = nullptr;
+ for (shared_ptr<RowItem> r : _view)
+ if (r->dragging()) {
+ if (!item_owner)
+ item_owner = r->owner();
+ else if(item_owner != r->owner())
+ return;
+ }
+
+ if (!item_owner)
+ return;
+
+ // Do the drag
+ _dragging = true;
+
+ const int delta = event->pos().y() - _mouse_down_point.y();
+
+ for (std::shared_ptr<RowItem> r : _view)
+ if (r->dragging()) {
+ r->force_to_v_offset(r->drag_point().y() + delta);
+
+ // Ensure the trace is selected
+ r->select();
+ }
+
+ item_owner->restack_items();
+ for (const auto &r : *item_owner)
+ r->animate_to_layout_v_offset();
+ signals_moved();
+
update();
}
-void Header::leaveEvent(QEvent *event)
+void Header::leaveEvent(QEvent*)
{
_mouse_point = QPoint(-1, -1);
update();
void Header::contextMenuEvent(QContextMenuEvent *event)
{
- const int w = width();
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ const shared_ptr<RowItem> r = get_mouse_over_row_item(_mouse_point);
+ if (!r)
+ return;
- int offset = -_view.v_offset();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
- {
- assert(s);
+ QMenu *menu = r->create_context_menu(this);
+ if (!menu)
+ menu = new QMenu(this);
- const QRect signal_heading_rect(
- 0, offset, w, View::SignalHeight);
+ if (std::count_if(_view.begin(), _view.end(), item_selected) > 1)
+ {
+ menu->addSeparator();
- if(s->pt_in_label_rect(signal_heading_rect, _mouse_point)) {
- QMenu menu(this);
- menu.addAction(_action_set_name);
+ 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);
+ }
- _context_signal = s;
- menu.exec(event->globalPos());
- _context_signal.reset();
+ menu->exec(event->globalPos());
+}
- break;
- }
+void Header::keyPressEvent(QKeyEvent *e)
+{
+ assert(e);
- offset += View::SignalHeight;
+ switch (e->key())
+ {
+ case Qt::Key_Delete:
+ {
+ for (const shared_ptr<RowItem> r : _view)
+ if (r->selected())
+ r->delete_pressed();
+ break;
+ }
}
}
-void Header::on_action_set_name_triggered()
+void Header::on_signals_moved()
{
- boost::shared_ptr<Signal> context_signal = _context_signal;
- if(!context_signal)
- return;
+ update();
+}
+
+void Header::on_group()
+{
+ vector< shared_ptr<RowItem> > selected_items(
+ make_filter_iterator(item_selected, _view.begin(), _view.end()),
+ make_filter_iterator(item_selected, _view.end(), _view.end()));
+ stable_sort(selected_items.begin(), selected_items.end(),
+ [](const shared_ptr<RowItem> &a, const shared_ptr<RowItem> &b) {
+ return a->visual_v_offset() < b->visual_v_offset(); });
+
+ shared_ptr<TraceGroup> group(new TraceGroup());
+ shared_ptr<RowItem> 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);
- const QString new_label = QInputDialog::getText(this, tr("Set Name"),
- tr("Name"), QLineEdit::Normal, context_signal->get_name());
+ for (size_t i = 0; i < selected_items.size(); i++) {
+ const shared_ptr<RowItem> &r = selected_items[i];
+ assert(r->owner());
+ r->owner()->remove_child_item(r);
+ group->add_child_item(r);
- if(!new_label.isEmpty())
- context_signal->set_name(new_label);
+ // 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_ungroup()
+{
+ bool restart;
+ do {
+ restart = false;
+ for (const shared_ptr<RowItem> r : _view) {
+ const shared_ptr<TraceGroup> tg =
+ dynamic_pointer_cast<TraceGroup>(r);
+ if (tg && tg->selected()) {
+ tg->ungroup();
+ restart = true;
+ break;
+ }
+ }
+ } while(restart);
}
} // namespace view
projects / pulseview.git / blobdiff