pv/view/signal.cpp

   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 #include <extdef.h>
  22
  23 #include <assert.h>
  24 #include <math.h>
  25
  26 #include <QApplication>
  27 #include <QFormLayout>
  28 #include <QKeyEvent>
  29 #include <QLineEdit>
  30 #include <QMenu>
  31
  32 #include <libsigrok/libsigrok.h>
  33
  34 #include "signal.h"
  35 #include "view.h"
  36
  37 #include <pv/device/devinst.h>
  38
  39 using std::shared_ptr;
  40
  41 namespace pv {
  42 namespace view {
  43
  44 const char *const ChannelNames[] = {
  45         "CLK",
  46         "DATA",
  47         "IN",
  48         "OUT",
  49         "RST",
  50         "Tx",
  51         "Rx",
  52         "EN",
  53         "SCLK",
  54         "MOSI",
  55         "MISO",
  56         "/SS",
  57         "SDA",
  58         "SCL"
  59 };
  60
  61 Signal::Signal(shared_ptr<pv::device::DevInst> dev_inst,
  62         const sr_channel *const channel) :
  63         Trace(channel->name),
  64         _dev_inst(dev_inst),
  65         _channel(channel),
  66         _name_widget(NULL),
  67         _updating_name_widget(false)
  68 {
  69         assert(_channel);
  70 }
  71
  72 void Signal::set_name(QString name)
  73 {
  74         Trace::set_name(name);
  75         _updating_name_widget = true;
  76         _name_widget->setEditText(name);
  77         _updating_name_widget = false;
  78 }
  79
  80 bool Signal::enabled() const
  81 {
  82         return _channel->enabled;
  83 }
  84
  85 void Signal::enable(bool enable)
  86 {
  87         _dev_inst->enable_channel(_channel, enable);
  88         visibility_changed();
  89 }
  90
  91 const sr_channel* Signal::channel() const
  92 {
  93         return _channel;
  94 }
  95
  96 void Signal::populate_popup_form(QWidget *parent, QFormLayout *form)
  97 {
  98         int index;
  99
 100         _name_widget = new QComboBox(parent);
 101         _name_widget->setEditable(true);
 102
 103         for(unsigned int i = 0; i < countof(ChannelNames); i++)
 104                 _name_widget->insertItem(i, ChannelNames[i]);
 105
 106         index = _name_widget->findText(_name, Qt::MatchExactly);
 107
 108         if (index == -1) {
 109                 _name_widget->insertItem(0, _name);
 110                 _name_widget->setCurrentIndex(0);
 111         } else {
 112                 _name_widget->setCurrentIndex(index);
 113         }
 114
 115         connect(_name_widget, SIGNAL(editTextChanged(const QString&)),
 116                 this, SLOT(on_text_changed(const QString&)));
 117
 118         form->addRow(tr("Name"), _name_widget);
 119
 120         add_colour_option(parent, form);
 121 }
 122
 123 QMenu* Signal::create_context_menu(QWidget *parent)
 124 {
 125         QMenu *const menu = Trace::create_context_menu(parent);
 126
 127         menu->addSeparator();
 128
 129         QAction *const disable = new QAction(tr("Disable"), this);
 130         disable->setShortcuts(QKeySequence::Delete);
 131         connect(disable, SIGNAL(triggered()), this, SLOT(on_disable()));
 132         menu->addAction(disable);
 133
 134         return menu;
 135 }
 136
 137 void Signal::delete_pressed()
 138 {
 139         on_disable();
 140 }
 141
 142 void Signal::on_disable()
 143 {
 144         enable(false);
 145 }
 146
 147 } // namespace view
 148 } // namespace pv