| 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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