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