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annotate anagram/guisupport/wdata.h @ 18:562c313f14f4

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some minor updates for 2022
author David A. Holland
date Tue, 31 May 2022 02:03:50 -0400
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1 /*
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2 * AnaGram, A System for Syntax Directed Programming
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3 * Copyright 1997-2002 Parsifal Software. All Rights Reserved.
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4 * See the file COPYING for license and usage terms.
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5 *
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6 * wdata.h
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7 */
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8
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9 #ifndef WDATA_H
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10 #define WDATA_H
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11
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12 #include "action.h"
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13 #include "agstring.h"
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14 #include "agarray.h"
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15
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16 //#define INCLUDE_LOGGING
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17 //#include "log.h"
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18
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19 class WindowConnector;
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20 class dc;
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21
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22 class AgDataPanel;
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23
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24
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25 class AgMenuItem {
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26 private:
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27 static const AgAction nullAction;
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28 public:
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29 AgString text;
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30 AgAction action;
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31 dc *displayControl;
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32 AgMenuItem(AgString text_, AgAction action_, dc *displayControl_) :
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33 text(text_),
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34 action(action_),
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35 displayControl(displayControl_)
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36 {
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37 //LOGSECTION("AgMenuItem constructor");
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38 //LOGV((int) (dc *) displayControl);
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39 }
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40 AgMenuItem &operator =(const AgMenuItem &m) {
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41 text = m.text;
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42 action = m.action;
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43 displayControl = m.displayControl;
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44 return *this;
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45 }
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46 AgMenuItem() :
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47 text(AgString())
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48 , action(nullAction)
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49 , displayControl(0)
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50 {}
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51 int operator < (const AgMenuItem &m) const {
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52 return text < m.text;
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53 }
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54 };
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55
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56 class FindTabs {
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57 private:
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58 AgString text;
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59 char *field;
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60 char *nextField;
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61
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62 void update() {
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63 if (nextField == 0) return;
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64 while (*nextField && *nextField != '\t') nextField++;
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65 if (*nextField) *nextField++ = 0;
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66 else nextField = 0;
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67 }
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68
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69 public:
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70 FindTabs(char *p) : text(p), field((char *)p), nextField((char *)p) {
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71 update();
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72 }
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73 char *getField() {
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74 char *rv = field;
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75 field = nextField;
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76 update();
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77 return rv;
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78 }
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79 };
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80
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81 class WindowData {
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82 public:
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83 virtual int nextChildId() = 0;
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84 virtual ~WindowData() {}
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85 virtual AgString getLine(unsigned) { return AgString(); }
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86 virtual AgString findHelpTopic() { return AgString(); }
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87 virtual unsigned nLines() { return 0; }
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88 virtual unsigned nColumns() { return 1; }
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89
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90 virtual AgString fileName() { return AgString(); }
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91 virtual AgString headTitle() { return AgString(); }
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92 virtual AgString columnHeadTitle() { return AgString(); }
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93 virtual AgString footTitle() { return AgString(); }
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94 virtual void onEnter() {}
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95 virtual void close() {}
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96 virtual void show() {}
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97 virtual AgArray<AgMenuItem> auxMenu() { return AgArray<AgMenuItem>(); }
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98
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99 virtual int syntaxDependent() { return 0; }
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100 virtual int getCursorLine(){ return 0; }
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101 virtual void synchCursor(unsigned) {}
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102 };
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103
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104 class WindowConnector {
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105 public:
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106 virtual void disconnect() {}
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107 virtual void setFocus() {}
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108 virtual int getCursorLine(){ return 0; }
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109 virtual WindowData *windowData() { return NULL; }
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110 };
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111
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112 #endif /* WDATA_H */