#include "header.h"
#include "view.h"
-#include "../signal.h"
+#include "signal.h"
#include "../sigsession.h"
#include <assert.h>
#include <boost/foreach.hpp>
+#include <QApplication>
+#include <QMenu>
+#include <QMouseEvent>
#include <QPainter>
#include <QRect>
+#include <pv/widgets/popup.h>
+
using namespace boost;
using namespace std;
namespace view {
Header::Header(View &parent) :
- QWidget(&parent),
- _view(parent)
+ MarginWidget(parent),
+ _dragging(false)
{
+ setFocusPolicy(Qt::ClickFocus);
+ setMouseTracking(true);
+
+ connect(&_view.session(), SIGNAL(signals_changed()),
+ this, SLOT(on_signals_changed()));
+
+ connect(&_view, SIGNAL(signals_moved()),
+ this, SLOT(on_signals_moved()));
}
-void Header::paintEvent(QPaintEvent *event)
+shared_ptr<Trace> Header::get_mouse_over_trace(const QPoint &pt)
{
const int w = width();
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ 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()
+{
+ const vector< shared_ptr<Trace> > traces(_view.get_traces());
+ BOOST_FOREACH(const shared_ptr<Trace> t, traces) {
+ assert(t);
+ t->select(false);
+ }
+
+ update();
+}
+
+void Header::paintEvent(QPaintEvent*)
+{
+ const int w = width();
+ const vector< shared_ptr<Trace> > traces(_view.get_traces());
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
- int offset = -_view.v_offset();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ const bool dragging = !_drag_traces.empty();
+ BOOST_FOREACH(const shared_ptr<Trace> t, traces)
{
- assert(s);
-
- const QRect label_rect(0, offset, w, View::SignalHeight);
- s->paint_label(painter, label_rect);
+ assert(t);
- offset += View::SignalHeight;
+ const bool highlight = !dragging && t->pt_in_label_rect(
+ 0, w, _mouse_point);
+ t->paint_label(painter, w, highlight);
}
painter.end();
}
+void Header::mousePressEvent(QMouseEvent *event)
+{
+ assert(event);
+
+ const vector< shared_ptr<Trace> > traces(_view.get_traces());
+
+ if (event->button() & Qt::LeftButton) {
+ _mouse_down_point = event->pos();
+
+ // 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()));
+ }
+
+ // 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()));
+ }
+ }
+
+ 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);
+ }
+
+ selection_changed();
+ update();
+}
+
+void Header::mouseReleaseEvent(QMouseEvent *event)
+{
+ using pv::widgets::Popup;
+
+ assert(event);
+ if (event->button() == Qt::LeftButton) {
+ if (_dragging)
+ _view.normalize_layout();
+ else
+ {
+ const shared_ptr<Trace> mouse_over_trace =
+ get_mouse_over_trace(event->pos());
+ if (mouse_over_trace) {
+ Popup *const p =
+ mouse_over_trace->create_popup(&_view);
+ p->set_position(mapToGlobal(QPoint(width(),
+ mouse_over_trace->get_y())),
+ Popup::Right);
+ p->show();
+ }
+ }
+
+ _dragging = false;
+ _drag_traces.clear();
+ }
+}
+
+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;
+
+ // Move the signals if we are dragging
+ if (!_drag_traces.empty())
+ {
+ _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();
+ }
+
+ update();
+}
+
+void Header::leaveEvent(QEvent*)
+{
+ _mouse_point = QPoint(-1, -1);
+ update();
+}
+
+void Header::contextMenuEvent(QContextMenuEvent *event)
+{
+ const shared_ptr<Trace> t = get_mouse_over_trace(_mouse_point);
+
+ if (t)
+ t->create_context_menu(this)->exec(event->globalPos());
+}
+
+void Header::keyPressEvent(QKeyEvent *e)
+{
+ assert(e);
+
+ switch (e->key())
+ {
+ case Qt::Key_Delete:
+ {
+ const vector< shared_ptr<Trace> > traces(_view.get_traces());
+ BOOST_FOREACH(const shared_ptr<Trace> t, traces)
+ if (t->selected())
+ t->delete_pressed();
+ break;
+ }
+ }
+}
+
+void Header::on_signals_changed()
+{
+ const vector< shared_ptr<Trace> > traces(_view.get_traces());
+ BOOST_FOREACH(shared_ptr<Trace> t, traces) {
+ assert(t);
+ connect(t.get(), SIGNAL(visibility_changed()),
+ this, SLOT(update()));
+ connect(t.get(), SIGNAL(text_changed()),
+ this, SLOT(update()));
+ connect(t.get(), SIGNAL(colour_changed()),
+ this, SLOT(update()));
+ }
+}
+
+void Header::on_signals_moved()
+{
+ update();
+}
+
+
} // namespace view
} // namespace pv
projects / pulseview.git / blobdiff