+++ /dev/null
-/*
- * This file is part of the PulseView project.
- *
- * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "header.h"
-#include "view.h"
-
-#include "signal.h"
-#include "../sigsession.h"
-
-#include <assert.h>
-
-#include <boost/foreach.hpp>
-
-#include <QApplication>
-#include <QColorDialog>
-#include <QInputDialog>
-#include <QMenu>
-#include <QMouseEvent>
-#include <QPainter>
-#include <QRect>
-
-using namespace boost;
-using namespace std;
-
-namespace pv {
-namespace view {
-
-Header::Header(View &parent) :
- MarginWidget(parent),
- _action_set_name(new QAction(tr("Set &Name..."), this)),
- _action_set_colour(new QAction(tr("Set &Colour..."), this))
-{
- 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)
-{
- const int w = width();
- const vector< shared_ptr<Signal> > sigs(
- _view.session().get_signals());
-
- const int v_offset = _view.v_offset();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
- {
- assert(s);
-
- if (s->pt_in_label_rect(s->get_v_offset() - v_offset,
- 0, w, pt))
- return s;
- }
-
- return shared_ptr<Signal>();
-}
-
-void Header::paintEvent(QPaintEvent*)
-{
- const int w = width();
- const vector< shared_ptr<Signal> > sigs(
- _view.session().get_signals());
-
- 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)
- {
- assert(s);
-
- 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);
- }
-
- painter.end();
-}
-
-void Header::mousePressEvent(QMouseEvent *event)
-{
- assert(event);
-
- const vector< shared_ptr<Signal> > sigs(
- _view.session().get_signals());
-
- 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<Signal> s, sigs)
- if (s->selected())
- _drag_sigs.push_back(
- make_pair(s, s->get_v_offset()));
- }
-
- // 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()));
- }
- }
-
- 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);
- }
-
- update();
-}
-
-void Header::mouseReleaseEvent(QMouseEvent *event)
-{
- assert(event);
- if (event->button() == Qt::LeftButton) {
- _drag_sigs.clear();
- _view.normalize_layout();
- }
-}
-
-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();
- }
-
- }
-
- signals_moved();
- }
-
- update();
-}
-
-void Header::leaveEvent(QEvent*)
-{
- _mouse_point = QPoint(-1, -1);
- update();
-}
-
-void Header::contextMenuEvent(QContextMenuEvent *event)
-{
- const shared_ptr<Signal> s = get_mouse_over_signal(_mouse_point);
-
- if (!s)
- 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)
- 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);
-}
-
-void Header::on_action_set_colour_triggered()
-{
- shared_ptr<view::Signal> context_signal = _context_signal;
- if (!context_signal)
- return;
-
- const QColor new_colour = QColorDialog::getColor(
- context_signal->get_colour(), this, tr("Set Colour"));
-
- if (new_colour.isValid())
- context_signal->set_colour(new_colour);
-}
-
-void Header::on_signals_moved()
-{
- update();
-}
-
-
-} // namespace view
-} // namespace pv
projects / pulseview.git / blobdiff