#include "signal.h"
#include "../sigsession.h"
-#include <assert.h>
-
-#include <boost/foreach.hpp>
+#include <cassert>
+#include <algorithm>
#include <QApplication>
-#include <QColorDialog>
-#include <QInputDialog>
#include <QMenu>
#include <QMouseEvent>
#include <QPainter>
#include <QRect>
-using namespace boost;
-using namespace std;
+#include <pv/widgets/popup.h>
+
+using std::max;
+using std::make_pair;
+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;
+
Header::Header(View &parent) :
MarginWidget(parent),
- _action_set_name(new QAction(tr("Set &Name..."), this)),
- _action_set_colour(new QAction(tr("Set &Colour..."), this))
+ _dragging(false)
{
+ setFocusPolicy(Qt::ClickFocus);
setMouseTracking(true);
- connect(_action_set_name, SIGNAL(triggered()),
- this, SLOT(on_action_set_name_triggered()));
- connect(_action_set_colour, SIGNAL(triggered()),
- this, SLOT(on_action_set_colour_triggered()));
-
connect(&_view, SIGNAL(signals_moved()),
this, SLOT(on_signals_moved()));
}
-boost::shared_ptr<pv::view::Signal> Header::get_mouse_over_signal(
- const QPoint &pt)
+QSize Header::sizeHint() const
{
- const int w = width();
- const vector< shared_ptr<Signal> > sigs(
- _view.session().get_signals());
+ 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);
+}
- const int v_offset = _view.v_offset();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
- {
- assert(s);
+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();
+}
- if (s->pt_in_label_rect(s->get_v_offset() - v_offset,
- 0, w, pt))
- return s;
+void Header::signals_updated()
+{
+ for (shared_ptr<RowItem> r : _view) {
+ assert(r);
+ connect(r.get(), SIGNAL(appearance_changed()),
+ this, SLOT(on_trace_changed()));
}
+}
+
+void Header::show_popup(const shared_ptr<RowItem> &item)
+{
+ using pv::widgets::Popup;
+
+ Popup *const p = item->create_popup(&_view);
+ if (!p)
+ return;
- return shared_ptr<Signal>();
+ const QPoint pt(width() - BaselineOffset, item->get_y());
+ p->set_position(mapToGlobal(pt), Popup::Right);
+ p->show();
}
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->v_offset() < b->v_offset(); });
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
- const int v_offset = _view.v_offset();
- const bool dragging = !_drag_sigs.empty();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ for (const shared_ptr<RowItem> r : row_items)
{
- assert(s);
+ assert(r);
- const int y = s->get_v_offset() - v_offset;
- const bool highlight = !dragging && s->pt_in_label_rect(
- y, 0, w, _mouse_point);
- s->paint_label(painter, y, w, highlight);
+ 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 bool ctrl_pressed =
+ QApplication::keyboardModifiers() & Qt::ControlModifier;
+
+ // 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);
+
+ // 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);
+ }
+
+ // 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);
- const vector< shared_ptr<Signal> > sigs(
- _view.session().get_signals());
+ _mouse_down_point = event->pos();
+ _mouse_down_item = get_mouse_over_row_item(event->pos());
- if (event->button() & Qt::LeftButton) {
- _mouse_down_point = event->pos();
+ if (event->button() & Qt::LeftButton)
+ mouseLeftPressEvent(event);
+}
- // Save the offsets of any signals which will be dragged
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
- if (s->selected())
- _drag_sigs.push_back(
- make_pair(s, s->get_v_offset()));
- }
+void Header::mouseLeftReleaseEvent(QMouseEvent *event)
+{
+ assert(event);
- // Select the signal if it has been clicked
- const shared_ptr<Signal> mouse_over_signal =
- get_mouse_over_signal(event->pos());
- if (mouse_over_signal) {
- if (mouse_over_signal->selected())
- mouse_over_signal->select(false);
- else {
- mouse_over_signal->select(true);
-
- if (~QApplication::keyboardModifiers() &
- Qt::ControlModifier)
- _drag_sigs.clear();
-
- // Add the signal to the drag list
- if (event->button() & Qt::LeftButton)
- _drag_sigs.push_back(
- make_pair(mouse_over_signal,
- mouse_over_signal->get_v_offset()));
- }
- }
+ 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());
- if (~QApplication::keyboardModifiers() & Qt::ControlModifier) {
- // Unselect all other signals because the Ctrl is not
- // pressed
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
- if (s != mouse_over_signal)
- s->select(false);
+ for (auto &r : _view)
+ r->drag_release();
+
+ if (_dragging)
+ _view.normalize_layout();
+ 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);
+ }
}
- update();
+ _dragging = false;
}
void Header::mouseReleaseEvent(QMouseEvent *event)
{
assert(event);
- if (event->button() == Qt::LeftButton) {
- _drag_sigs.clear();
- _view.normalize_layout();
- }
+ if (event->button() & Qt::LeftButton)
+ mouseLeftReleaseEvent(event);
+
+ _mouse_down_item = nullptr;
}
void Header::mouseMoveEvent(QMouseEvent *event)
assert(event);
_mouse_point = event->pos();
- // Move the signals if we are dragging
- if (!_drag_sigs.empty()) {
- const int delta = event->pos().y() - _mouse_down_point.y();
-
- for (std::list<std::pair<boost::weak_ptr<Signal>,
- int> >::iterator i = _drag_sigs.begin();
- i != _drag_sigs.end(); i++) {
- const boost::shared_ptr<Signal> sig((*i).first);
- if (sig) {
- const int y = (*i).second + delta;
- const int y_snap =
- ((y + View::SignalSnapGridSize / 2) /
- View::SignalSnapGridSize) *
- View::SignalSnapGridSize;
- sig->set_v_offset(y_snap);
-
- // Ensure the signal is selected
- sig->select();
- }
-
+ 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;
}
- signals_moved();
- }
+ 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->set_v_offset(r->drag_point().y() + delta);
+
+ // Ensure the trace is selected
+ r->select();
+ }
+
+ signals_moved();
update();
}
void Header::contextMenuEvent(QContextMenuEvent *event)
{
- const shared_ptr<Signal> s = get_mouse_over_signal(_mouse_point);
-
- if (!s)
+ const shared_ptr<RowItem> r = get_mouse_over_row_item(_mouse_point);
+ if (!r)
return;
- QMenu menu(this);
- menu.addAction(_action_set_name);
- menu.addAction(_action_set_colour);
-
- _context_signal = s;
- menu.exec(event->globalPos());
- _context_signal.reset();
-}
-
-void Header::on_action_set_name_triggered()
-{
- bool ok = false;
-
- shared_ptr<view::Signal> context_signal = _context_signal;
- if (!context_signal)
+ QMenu *const menu = r->create_context_menu(this);
+ if (!menu)
return;
- const QString new_label = QInputDialog::getText(this, tr("Set Name"),
- tr("Name"), QLineEdit::Normal, context_signal->get_name(), &ok);
-
- if (ok)
- context_signal->set_name(new_label);
+ menu->exec(event->globalPos());
}
-void Header::on_action_set_colour_triggered()
+void Header::keyPressEvent(QKeyEvent *e)
{
- shared_ptr<view::Signal> context_signal = _context_signal;
- if (!context_signal)
- return;
+ assert(e);
- const QColor new_colour = QColorDialog::getColor(
- context_signal->get_colour(), this, tr("Set Colour"));
-
- if (new_colour.isValid())
- context_signal->set_colour(new_colour);
+ switch (e->key())
+ {
+ case Qt::Key_Delete:
+ {
+ for (const shared_ptr<RowItem> r : _view)
+ if (r->selected())
+ r->delete_pressed();
+ break;
+ }
+ }
}
void Header::on_signals_moved()
update();
}
+void Header::on_trace_changed()
+{
+ update();
+ geometry_updated();
+}
} // namespace view
} // namespace pv