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annotate anagram/vaclgui/digset.hpp @ 13:43d8b194fb4e

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Remove unused variables.
author David A. Holland
date Tue, 31 May 2022 00:59:00 -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 * digset.hpp
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7 */
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8
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9 #ifndef DIGSET_HPP
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10 #define DIGSET_HPP
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11
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12 #include <icolor.hpp>
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13 #include <ifont.hpp>
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14 #include <ipainevt.hpp>
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15 //#include <ipoint.hpp>
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16 #include <irect.hpp>
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17
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18 #include "cint.h"
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19 #include "dspar.hpp"
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20
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21
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22 class DigSetter
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23 {
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24 public:
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25 struct Style {
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26 FontSpec &font;
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27 ColorSpec &color;
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28 Style()
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29 : color(ColorSpec::defaultSetting)
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30 , font(FontSpec::defaultSetting)
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31 {}
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32 Style(FontSpec &f, ColorSpec &color_)
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33 : font(f)
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34 , color(color_)
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35 {}
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36 int enWidth() {
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37 IFont &f = font;
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38 return f.avgCharWidth();
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39 }
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40 int height() {
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41 IFont &f = font;
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42 return f.maxSize().height();
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43 }
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44 int topToBaseline() {
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45 IFont &f = font;
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46 return f.maxAscender();
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47 }
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48 int descender() {
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49 IFont &f = font;
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50 return f.maxDescender();
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51 }
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52 };
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53
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54 struct Dig {
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55 char *text;
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56 int textLength;
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57 cint where;
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58 int width;
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59 int styleIndex;
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60 Dig() {}
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61 Dig(char *text_, const int length, const cint where_, const int index)
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62 : text(text_)
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63 , textLength(length)
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64 , where(where_)
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65 , styleIndex(index)
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66 , width(0)
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67 {}
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68 Dig(const Dig &dig)
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69 : text(dig.text)
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70 , textLength(dig.textLength)
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71 , where(dig.where)
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72 , styleIndex(dig.styleIndex)
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73 , width(dig.width)
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74 {}
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75 int operator < (const Dig &d) const { return where < d.where; }
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76 };
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77
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78 struct Hole {
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79 cint where;
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80 cint size;
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81 int styleIndex;
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82 Hole() {}
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83 Hole(cint where_, cint size_, int index)
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84 : where(where_)
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85 , size(size_)
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86 , styleIndex(index)
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87 {}
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88 Hole(IRectangle r, int index = 0)
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89 : where(r.minX(), r.minY())
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90 , size(r.size().width(), r.size().height())
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91 , styleIndex(index)
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92 {}
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93 int operator < (const Hole &d) const { return where < d.where; }
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94 };
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95
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96 protected:
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97 IWindow *window;
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98 IPaintEvent *event;
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99 Style *style;
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100 int currentStyleIndex;
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101 int windowHeight;
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102 IPresSpaceHandle presSpaceHandle;
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103
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104 public:
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105 DigSetter(IWindow *window_, Style *style_, int index = -1)
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106 : event(0)
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107 , window(window_)
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108 , style(style_)
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109 , currentStyleIndex(index)
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110 , windowHeight(0)
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111 {}
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112
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113 DigSetter &setEvent(IPaintEvent &e);
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114 DigSetter &closeEvent();
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115
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116 int top(Dig d) {
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117 return d.where.y - style[d.styleIndex].topToBaseline();
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118 }
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119 int bottom(Dig d) {
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120 return d.where.y + style[d.styleIndex].descender();
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121 }
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122
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123 DigSetter &measureDig(Dig &dig);
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124 DigSetter &setDig(const Dig &dig, int reverseVideo = 0);
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125 DigSetter &clear(const Hole &hole);
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126 DigSetter &reverse(const Hole &hole);
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127 DigSetter &clear(const IRectangle &r);
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128
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129 DigSetter &refresh(const Hole &hole);
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130 DigSetter &refresh(const Dig &dig);
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131
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132 Hole makeHole(const Dig &dig);
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133 };
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134
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135
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136 #endif /* DIGSET_HPP */