pv/view/header.h

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #ifndef PULSEVIEW_PV_VIEW_HEADER_H
  22 #define PULSEVIEW_PV_VIEW_HEADER_H
  23
  24 #include <boost/shared_ptr.hpp>
  25
  26 #include <map>
  27
  28 #include <QWidget>
  29
  30 namespace pv {
  31 namespace view {
  32
  33 class Signal;
  34 class View;
  35
  36 class Header : public QWidget
  37 {
  38         Q_OBJECT
  39
  40 public:
  41         Header(View &parent);
  42
  43 private:
  44         boost::shared_ptr<pv::view::Signal> get_mouse_over_signal(
  45                 const QPoint &pt);
  46
  47 private:
  48         void paintEvent(QPaintEvent *event);
  49
  50 private:
  51         void mousePressEvent(QMouseEvent * event);
  52
  53         void mouseReleaseEvent(QMouseEvent *event);
  54
  55         void mouseMoveEvent(QMouseEvent *event);
  56
  57         void leaveEvent(QEvent *event);
  58
  59         void contextMenuEvent(QContextMenuEvent *event);
  60
  61 private slots:
  62         void on_action_set_name_triggered();
  63
  64         void on_action_set_colour_triggered();
  65
  66 signals:
  67         void signals_moved();
  68
  69 private:
  70         View &_view;
  71
  72         QPoint _mouse_point;
  73         QPoint _mouse_down_point;
  74
  75         std::map<const Signal*, int> _mouse_down_signal_offsets;
  76
  77         boost::shared_ptr<Signal> _context_signal;
  78         QAction *_action_set_name;
  79         QAction *_action_set_colour;
  80 };
  81
  82 } // namespace view
  83 } // namespace pv
  84
  85 #endif // PULSEVIEW_PV_VIEW_HEADER_H