1 | // Part of BNC, a utility for retrieving decoding and
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2 | // converting GNSS data streams from NTRIP broadcasters.
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3 | //
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4 | // Copyright (C) 2007
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5 | // German Federal Agency for Cartography and Geodesy (BKG)
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6 | // http://www.bkg.bund.de
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7 | // Czech Technical University Prague, Department of Geodesy
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8 | // http://www.fsv.cvut.cz
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9 | //
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10 | // Email: euref-ip@bkg.bund.de
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11 | //
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12 | // This program is free software; you can redistribute it and/or
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13 | // modify it under the terms of the GNU General Public License
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14 | // as published by the Free Software Foundation, version 2.
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15 | //
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16 | // This program is distributed in the hope that it will be useful,
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17 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | // GNU General Public License for more details.
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20 | //
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21 | // You should have received a copy of the GNU General Public License
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22 | // along with this program; if not, write to the Free Software
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23 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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24 |
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25 | /* -------------------------------------------------------------------------
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26 | * BKG NTRIP Client
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27 | * -------------------------------------------------------------------------
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28 | *
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29 | * Class: bncHlpDlg
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30 | *
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31 | * Purpose: Displays the help
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32 | *
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33 | * Author: L. Mervart
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34 | *
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35 | * Created: 24-Sep-2006
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36 | *
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37 | * Changes:
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38 | *
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39 | * -----------------------------------------------------------------------*/
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40 |
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41 | #include "bnchlpdlg.h"
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42 | #include "bnchtml.h"
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43 |
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44 | // Constructor
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45 | ////////////////////////////////////////////////////////////////////////////
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46 | bncHlpDlg::bncHlpDlg(QWidget* parent, const QUrl& url) :
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47 | QDialog(parent) {
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48 |
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49 | const int ww = QFontMetrics(font()).width('w');
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50 |
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51 | bncHtml* _tb = new bncHtml;
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52 | setWindowTitle("Help Contents");
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53 | _tb->setSource(url);
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54 | _tb->setReadOnly(true);
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55 | connect(_tb, SIGNAL(backwardAvailable(bool)),
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56 | this, SLOT(backwardAvailable(bool)));
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57 | connect(_tb, SIGNAL(forwardAvailable(bool)),
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58 | this, SLOT(forwardAvailable(bool)));
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59 |
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60 | QVBoxLayout* dlgLayout = new QVBoxLayout;
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61 | dlgLayout->addWidget(_tb);
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62 |
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63 | QHBoxLayout* butLayout = new QHBoxLayout;
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64 |
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65 | _backButton = new QPushButton("Backward");
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66 | _backButton->setMaximumWidth(10*ww);
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67 | _backButton->setEnabled(false);
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68 | connect(_backButton, SIGNAL(clicked()), _tb, SLOT(backward()));
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69 | butLayout->addWidget(_backButton);
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70 |
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71 | _forwButton = new QPushButton("Forward");
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72 | _forwButton->setMaximumWidth(10*ww);
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73 | _forwButton->setEnabled(false);
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74 | connect(_forwButton, SIGNAL(clicked()), _tb, SLOT(forward()));
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75 | butLayout->addWidget(_forwButton);
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76 |
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77 | _closeButton = new QPushButton("Close");
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78 | _closeButton->setMaximumWidth(10*ww);
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79 | butLayout->addWidget(_closeButton);
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80 | connect(_closeButton, SIGNAL(clicked()), this, SLOT(close()));
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81 |
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82 | dlgLayout->addLayout(butLayout);
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83 |
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84 | setLayout(dlgLayout);
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85 | resize(60*ww, 60*ww);
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86 | show();
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87 | }
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88 |
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89 | // Destructor
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90 | ////////////////////////////////////////////////////////////////////////////
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91 | bncHlpDlg::~bncHlpDlg() {
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92 | delete _tb;
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93 | delete _backButton;
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94 | delete _forwButton;
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95 | delete _closeButton;
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96 | }
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97 |
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98 | // Slots
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99 | ////////////////////////////////////////////////////////////////////////////
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100 | void bncHlpDlg::backwardAvailable(bool avail) {
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101 | _backButton->setEnabled(avail);
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102 | }
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103 |
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104 | void bncHlpDlg::forwardAvailable(bool avail) {
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105 | _forwButton->setEnabled(avail);
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106 | }
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