pv/dialogs/connect.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2012-2013 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 "connect.h"
  22
  23 extern "C" {
  24 /* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
  25 #define __STDC_FORMAT_MACROS
  26 #include <glib.h>
  27 #include <libsigrok/libsigrok.h>
  28 }
  29
  30 namespace pv {
  31 namespace dialogs {
  32
  33 Connect::Connect(QWidget *parent) :
  34         QDialog(parent),
  35         _layout(this),
  36         _form(this),
  37         _form_layout(&_form),
  38         _drivers(&_form),
  39         _serial_device(&_form),
  40         _button_box(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
  41                 Qt::Horizontal, this)
  42 {
  43         setWindowTitle(tr("Connect to Device"));
  44
  45         connect(&_button_box, SIGNAL(accepted()), this, SLOT(accept()));
  46         connect(&_button_box, SIGNAL(rejected()), this, SLOT(reject()));
  47
  48         populate_drivers();
  49         connect(&_drivers, SIGNAL(activated(int)),
  50                 this, SLOT(device_selected(int)));
  51
  52         _form.setLayout(&_form_layout);
  53         _form_layout.addRow(tr("Driver"), &_drivers);
  54
  55         _form_layout.addRow(tr("Serial Port"), &_serial_device);
  56
  57         unset_connection();
  58
  59         setLayout(&_layout);
  60         _layout.addWidget(&_form);
  61         _layout.addWidget(&_button_box);
  62 }
  63
  64 void Connect::populate_drivers()
  65 {
  66         struct sr_dev_driver **drivers = sr_driver_list();
  67         for (int i = 0; drivers[i]; ++i)
  68                 _drivers.addItem(QString("%1 (%2)").arg(
  69                         drivers[i]->longname).arg(drivers[i]->name),
  70                         qVariantFromValue((void*)drivers[i]));
  71 }
  72
  73 void Connect::device_selected(int index)
  74 {
  75         const int *hwopts;
  76         const struct sr_hwcap_option *hwo;
  77         sr_dev_driver *const driver = (sr_dev_driver*)_drivers.itemData(
  78                 index).value<void*>();
  79
  80         unset_connection();
  81
  82         if ((sr_config_list(driver, SR_CONF_SCAN_OPTIONS,
  83                 (const void **)&hwopts, NULL) == SR_OK) && hwopts) {
  84
  85                 for (int i = 0; hwopts[i]; i++) {
  86                         switch(hwopts[i]) {
  87                         case SR_CONF_SERIALCOMM:
  88                                 set_serial_connection();
  89                                 break;
  90
  91                         default:
  92                                 continue;
  93                         }
  94
  95                         break;
  96                 }
  97         }
  98 }
  99
 100 void Connect::unset_connection()
 101 {
 102         _serial_device.hide();
 103         _form_layout.labelForField(&_serial_device)->hide();
 104 }
 105
 106 void Connect::set_serial_connection()
 107 {
 108         _serial_device.show();
 109         _form_layout.labelForField(&_serial_device)->show();
 110 }
 111
 112
 113 } // namespace dialogs
 114 } // namespace pv