#include "signal.h"
#include "../sigsession.h"
-#include <assert.h>
+#include <cassert>
+#include <algorithm>
-#include <boost/foreach.hpp>
-
-#include <QColorDialog>
-#include <QInputDialog>
+#include <QApplication>
#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) :
- QWidget(&parent),
- _view(parent),
- _action_set_name(new QAction(tr("Set &Name..."), this)),
- _action_set_colour(new QAction(tr("Set &Colour..."), this))
+ MarginWidget(parent),
+ _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()));
+}
+
+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::signals_updated()
+{
+ for (shared_ptr<RowItem> r : _view) {
+ assert(r);
+ connect(r.get(), SIGNAL(appearance_changed()),
+ this, SLOT(on_trace_changed()));
+ }
}
-void Header::paintEvent(QPaintEvent *event)
+void Header::show_popup(const shared_ptr<RowItem> &item)
{
- const int w = width();
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ using pv::widgets::Popup;
+
+ Popup *const p = item->create_popup(&_view);
+ if (!p)
+ return;
+
+ const QPoint pt(width() - BaselineOffset, item->get_y());
+ p->set_position(mapToGlobal(pt), Popup::Right);
+ p->show();
+}
+
+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 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();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ const bool dragging = !_drag_row_items.empty();
+ for (const shared_ptr<RowItem> r : row_items)
{
- assert(s);
+ assert(r);
- const QRect signal_heading_rect(
- 0, s->get_v_offset() - v_offset,
- w, View::SignalHeight);
-
- s->paint_label(painter, signal_heading_rect,
- s->pt_in_label_rect(signal_heading_rect, _mouse_point));
+ const bool highlight = !dragging &&
+ r->label_rect(w).contains(_mouse_point);
+ r->paint_label(painter, w, highlight);
}
painter.end();
}
-void Header::mouseMoveEvent(QMouseEvent *event)
+void Header::mouseLeftPressEvent(QMouseEvent *event)
{
- assert(event);
- _mouse_point = event->pos();
+ const bool ctrl_pressed =
+ QApplication::keyboardModifiers() & Qt::ControlModifier;
+
+ // Clear selection if control is not pressed and this item is unselected
+ const shared_ptr<RowItem> mouse_over =
+ get_mouse_over_row_item(event->pos());
+ if (!ctrl_pressed && (!mouse_over || !mouse_over->selected()))
+ for (shared_ptr<RowItem> r : _view)
+ r->select(false);
+
+ // Set the signal selection state if the item has been clicked
+ if (mouse_over) {
+ if (ctrl_pressed)
+ mouse_over->select(!mouse_over->selected());
+ else
+ mouse_over->select(true);
+ }
+
+ // Save the offsets of any signals which will be dragged
+ _mouse_down_point = event->pos();
+ for (const shared_ptr<RowItem> r : _view)
+ if (r->selected())
+ _drag_row_items.push_back(
+ make_pair(r, r->v_offset()));
+
+ selection_changed();
update();
}
-void Header::leaveEvent(QEvent *event)
+void Header::mousePressEvent(QMouseEvent *event)
{
- _mouse_point = QPoint(-1, -1);
- update();
+ assert(event);
+ if (event->button() & Qt::LeftButton)
+ mouseLeftPressEvent(event);
}
-void Header::contextMenuEvent(QContextMenuEvent *event)
+void Header::mouseLeftReleaseEvent(QMouseEvent *event)
{
- const int w = width();
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ 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());
- const int v_offset = _view.v_offset();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ if (_dragging)
+ _view.normalize_layout();
+ else
{
- assert(s);
+ if (!ctrl_pressed) {
+ for (shared_ptr<RowItem> r : _view)
+ if (mouse_over != r)
+ r->select(false);
+
+ if (mouse_over)
+ show_popup(mouse_over);
+ }
+ }
+
+ _dragging = false;
+ _drag_row_items.clear();
+}
+
+void Header::mouseReleaseEvent(QMouseEvent *event)
+{
+ assert(event);
+ if (event->button() & Qt::LeftButton)
+ mouseLeftReleaseEvent(event);
+}
+
+void Header::mouseMoveEvent(QMouseEvent *event)
+{
+ assert(event);
+ _mouse_point = event->pos();
+
+ if (!(event->buttons() & Qt::LeftButton))
+ return;
- const QRect signal_heading_rect(
- 0, s->get_v_offset() - v_offset,
- w, View::SignalHeight);
+ if ((event->pos() - _mouse_down_point).manhattanLength() <
+ QApplication::startDragDistance())
+ return;
- if(s->pt_in_label_rect(signal_heading_rect, _mouse_point)) {
- QMenu menu(this);
- menu.addAction(_action_set_name);
- menu.addAction(_action_set_colour);
+ // Check the list of dragging items is not empty
+ if (_drag_row_items.empty())
+ return;
- _context_signal = s;
- menu.exec(event->globalPos());
- _context_signal.reset();
+ // Check all the drag items share a common owner
+ const shared_ptr<RowItem> first_row_item(
+ _drag_row_items.front().first);
+ for (const auto &r : _drag_row_items) {
+ const shared_ptr<RowItem> row_item(r.first);
+ assert(row_item);
- break;
+ if (row_item->owner() != first_row_item->owner())
+ return;
+ }
+
+ // Do the drag
+ _dragging = true;
+
+ const int delta = event->pos().y() - _mouse_down_point.y();
+
+ for (auto i = _drag_row_items.begin();
+ i != _drag_row_items.end(); i++) {
+ const std::shared_ptr<RowItem> row_item((*i).first);
+ if (row_item) {
+ const int y = (*i).second + delta;
+ row_item->set_v_offset(y);
+
+ // Ensure the trace is selected
+ row_item->select();
}
}
+
+ signals_moved();
+
+ update();
}
-void Header::on_action_set_name_triggered()
+void Header::leaveEvent(QEvent*)
{
- shared_ptr<view::Signal> context_signal = _context_signal;
- if(!context_signal)
+ _mouse_point = QPoint(-1, -1);
+ update();
+}
+
+void Header::contextMenuEvent(QContextMenuEvent *event)
+{
+ const shared_ptr<RowItem> r = get_mouse_over_row_item(_mouse_point);
+ if (!r)
return;
- const QString new_label = QInputDialog::getText(this, tr("Set Name"),
- tr("Name"), QLineEdit::Normal, context_signal->get_name());
+ QMenu *const menu = r->create_context_menu(this);
+ if (!menu)
+ return;
- if(!new_label.isEmpty())
- 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"));
+ 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();
+}
- if(new_colour.isValid())
- context_signal->set_colour(new_colour);
+void Header::on_trace_changed()
+{
+ update();
+ geometry_updated();
}
} // namespace view
projects / pulseview.git / blobdiff