1 // kln89_page.hxx - base class for the "pages" that
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2 // are used in the KLN89 GPS unit simulation.
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4 // Written by David Luff, started 2005.
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6 // Copyright (C) 2005 - David C Luff - david.luff@nottingham.ac.uk
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8 // This program is free software; you can redistribute it and/or
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9 // modify it under the terms of the GNU General Public License as
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10 // published by the Free Software Foundation; either version 2 of the
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11 // License, or (at your option) any later version.
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13 // This program is distributed in the hope that it will be useful, but
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14 // WITHOUT ANY WARRANTY; without even the implied warranty of
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15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 // General Public License for more details.
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18 // You should have received a copy of the GNU General Public License
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19 // along with this program; if not, write to the Free Software
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20 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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24 #ifndef _KLN89_PAGE_HXX
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25 #define _KLN89_PAGE_HXX
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27 #include <Instrumentation/dclgps.hxx>
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28 #include "kln89.hxx"
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32 class KLN89Page : public GPSPage {
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35 KLN89Page(KLN89* parent);
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36 virtual ~KLN89Page();
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37 virtual void Update(double dt);
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38 virtual void Knob1Left1();
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39 virtual void Knob1Right1();
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40 virtual void Knob2Left1();
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41 virtual void Knob2Right1();
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42 virtual void CrsrPressed();
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43 virtual void EntPressed();
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44 virtual void ClrPressed();
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45 // Even though some/all of the buttons below aren't processed directly by the current page,
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46 // the current page often needs to save or change some state when they are pressed, and
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47 // hence should provide a function to handle them.
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48 virtual void DtoPressed();
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49 virtual void NrstPressed();
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50 virtual void AltPressed();
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51 virtual void OBSPressed();
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52 virtual void MsgPressed();
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54 // See base class comments for this.
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55 virtual void CleanUp();
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58 virtual void LooseFocus();
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60 inline void SetEntInvert(bool b) { _entInvert = b; }
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62 // Get / Set a waypoint id, NOT the page name!
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63 virtual void SetId(const string& s);
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64 virtual const string& GetId();
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69 // Underline position in cursor mode is not persistant when subpage is changed - hence we only need one variable per page for it.
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70 // Note that pos 0 is special - this is the leg pos in field 1, so pos will normally be set to 1 when crsr is pressed.
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71 // Also note that in general it doesn't seem to wrap.
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72 unsigned int _uLinePos;
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73 unsigned int _maxULinePos;
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75 // This is NOT the main gps to/from flag - derived page classes can use this flag
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76 // for any purpose, typically whether a radial bearing should be displayed to or from.
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77 bool _to_flag; // true for TO, false for FROM
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79 // Invert ID and display ENT in field 1
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82 string _id; // The ID of the waypoint that the page is displaying.
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83 // Doesn't make sense for all pages, but does for all the data pages.
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85 void ShowScratchpadMessage(const string& line1, const string& line2);
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87 bool _scratchpadMsg; // Set true when there is a scratchpad message to display
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88 double _scratchpadTimer; // Used for displaying the scratchpad messages for the right amount of time.
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89 string _scratchpadLine1;
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90 string _scratchpadLine2;
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93 #endif // _KLN89_PAGE_HXX
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