pv/popups/probes.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 <map>
  22
  23 #include <boost/foreach.hpp>
  24
  25 #include <QCheckBox>
  26 #include <QFormLayout>
  27 #include <QGridLayout>
  28 #include <QLabel>
  29
  30 #include "probes.h"
  31
  32 #include <pv/prop/binding/deviceoptions.h>
  33 #include <pv/sigsession.h>
  34 #include <pv/view/signal.h>
  35
  36 using namespace Qt;
  37
  38 using boost::shared_ptr;
  39 using std::map;
  40 using std::set;
  41 using std::vector;
  42
  43 using pv::view::Signal;
  44
  45 namespace pv {
  46 namespace popups {
  47
  48 Probes::Probes(SigSession &session, QWidget *parent) :
  49         Popup(parent),
  50         _session(session),
  51         _updating_probes(false),
  52         _enable_all_probes(tr("Enable All"), this),
  53         _disable_all_probes(tr("Disable All"), this),
  54         _check_box_mapper(this)
  55 {
  56         // Create the layout
  57         setLayout(&_layout);
  58
  59         sr_dev_inst *const sdi = _session.get_device();
  60         assert(sdi);
  61
  62         // Collect a set of signals
  63         map<const sr_probe*, shared_ptr<Signal> > signal_map;
  64         const vector< shared_ptr<Signal> > sigs = _session.get_signals();
  65         BOOST_FOREACH(const shared_ptr<Signal> &sig, sigs)
  66                 signal_map[sig->probe()] = sig;
  67
  68         // Populate probe groups
  69         for (const GSList *g = sdi->probe_groups; g; g = g->next)
  70         {
  71                 const sr_probe_group *const group =
  72                         (const sr_probe_group*)g->data;
  73                 assert(group);
  74
  75                 // Make a set of signals, and removed this signals from the
  76                 // signal map.
  77                 vector< shared_ptr<Signal> > group_sigs;
  78                 for (const GSList *p = group->probes; p; p = p->next)
  79                 {
  80                         const sr_probe *const probe = (const sr_probe*)p->data;
  81                         assert(probe);
  82
  83                         const map<const sr_probe*, shared_ptr<Signal> >::
  84                                 iterator iter = signal_map.find(probe);
  85                         assert(iter != signal_map.end());
  86
  87                         group_sigs.push_back((*iter).second);
  88                         signal_map.erase(iter);
  89                 }
  90
  91                 populate_group(group, group_sigs);
  92         }
  93
  94         // Make a vector of the remaining probes
  95         vector< shared_ptr<Signal> > global_sigs;
  96         for (const GSList *p = sdi->probes; p; p = p->next)
  97         {
  98                 const sr_probe *const probe = (const sr_probe*)p->data;
  99                 assert(probe);
 100
 101                 const map<const sr_probe*, shared_ptr<Signal> >::
 102                         const_iterator iter = signal_map.find(probe);
 103                 if (iter != signal_map.end())
 104                         global_sigs.push_back((*iter).second);
 105         }
 106
 107         // Create a group
 108         populate_group(NULL, global_sigs);
 109
 110         // Create the enable/disable all buttons
 111         connect(&_enable_all_probes, SIGNAL(clicked()),
 112                 this, SLOT(enable_all_probes()));
 113         connect(&_disable_all_probes, SIGNAL(clicked()),
 114                 this, SLOT(disable_all_probes()));
 115
 116         _enable_all_probes.setFlat(true);
 117         _disable_all_probes.setFlat(true);
 118
 119         _buttons_bar.addWidget(&_enable_all_probes);
 120         _buttons_bar.addWidget(&_disable_all_probes);
 121         _buttons_bar.addStretch(1);
 122
 123         _layout.addRow(&_buttons_bar);
 124
 125         // Connect the check-box signal mapper
 126         connect(&_check_box_mapper, SIGNAL(mapped(QWidget*)),
 127                 this, SLOT(on_probe_checked(QWidget*)));
 128 }
 129
 130 void Probes::set_all_probes(bool set)
 131 {
 132         _updating_probes = true;
 133
 134         for (map<QCheckBox*, shared_ptr<Signal> >::const_iterator i =
 135                 _check_box_signal_map.begin();
 136                 i != _check_box_signal_map.end(); i++)
 137         {
 138                 const shared_ptr<Signal> sig = (*i).second;
 139                 assert(sig);
 140
 141                 sig->enable(set);
 142                 (*i).first->setChecked(set);
 143         }
 144
 145         _updating_probes = false;
 146 }
 147
 148 void Probes::populate_group(const sr_probe_group *group,
 149         const vector< shared_ptr<pv::view::Signal> > sigs)
 150 {
 151         using pv::prop::binding::DeviceOptions;
 152
 153         // Only bind options if this is a group. We don't do it for general
 154         // options, because these properties are shown in the device config
 155         // popup.
 156         shared_ptr<DeviceOptions> binding;
 157         if (group)
 158                 binding = shared_ptr<DeviceOptions>(new DeviceOptions(
 159                         _session.get_device(), group));
 160
 161         // Create a title if the group is going to have any content
 162         if ((!sigs.empty() || (binding && !binding->properties().empty())) &&
 163                 group && group->name)
 164                 _layout.addRow(new QLabel(
 165                         QString("<h3>%1</h3>").arg(group->name)));
 166
 167         // Create the probe group grid
 168         QGridLayout *const probe_grid =
 169                 create_probe_group_grid(sigs);
 170         _layout.addRow(probe_grid);
 171
 172         // Create the probe group options
 173         if (binding)
 174         {
 175                 binding->add_properties_to_form(&_layout, true);
 176                 _group_bindings.push_back(binding);
 177         }
 178 }
 179
 180 QGridLayout* Probes::create_probe_group_grid(
 181         const vector< shared_ptr<pv::view::Signal> > sigs)
 182 {
 183         int row = 0, col = 0;
 184         QGridLayout *const grid = new QGridLayout();
 185
 186         BOOST_FOREACH(const shared_ptr<pv::view::Signal>& sig, sigs)
 187         {
 188                 assert(sig);
 189
 190                 QCheckBox *const checkbox = new QCheckBox(sig->get_name());
 191                 _check_box_mapper.setMapping(checkbox, checkbox);
 192                 connect(checkbox, SIGNAL(toggled(bool)),
 193                         &_check_box_mapper, SLOT(map()));
 194
 195                 grid->addWidget(checkbox, row, col);
 196
 197                 _check_box_signal_map[checkbox] = sig;
 198
 199                 if(++col >= 8)
 200                         col = 0, row++;
 201         }
 202
 203         return grid;
 204 }
 205
 206 void Probes::showEvent(QShowEvent *e)
 207 {
 208         pv::widgets::Popup::showEvent(e);
 209
 210         _updating_probes = true;
 211
 212         for (map<QCheckBox*, shared_ptr<Signal> >::const_iterator i =
 213                 _check_box_signal_map.begin();
 214                 i != _check_box_signal_map.end(); i++)
 215         {
 216                 const shared_ptr<Signal> sig = (*i).second;
 217                 assert(sig);
 218
 219                 (*i).first->setChecked(sig->enabled());
 220         }
 221
 222         _updating_probes = false;
 223 }
 224
 225 void Probes::on_probe_checked(QWidget *widget)
 226 {
 227         if (_updating_probes)
 228                 return;
 229
 230         QCheckBox *const check_box = (QCheckBox*)widget;
 231         assert(check_box);
 232
 233         // Look up the signal of this check-box
 234         map< QCheckBox*, shared_ptr<Signal> >::const_iterator iter =
 235                 _check_box_signal_map.find((QCheckBox*)check_box);
 236         assert(iter != _check_box_signal_map.end());
 237
 238         const shared_ptr<pv::view::Signal> s = (*iter).second;
 239         assert(s);
 240
 241         s->enable(check_box->isChecked());
 242 }
 243
 244 void Probes::enable_all_probes()
 245 {
 246         set_all_probes(true);
 247 }
 248
 249 void Probes::disable_all_probes()
 250 {
 251         set_all_probes(false);
 252 }
 253
 254 } // popups
 255 } // pv