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annotate .zfun/zsh-autosuggestions/src/bind.zsh @ 467:e1ce8897030d

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zsh: import df6f6f9ff41 of zsh-autosuggestions
author Augie Fackler <raf@durin42.com>
date Mon, 03 Dec 2018 22:37:29 -0500
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467
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
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1
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2 #--------------------------------------------------------------------#
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3 # Widget Helpers #
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4 #--------------------------------------------------------------------#
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5
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6 _zsh_autosuggest_incr_bind_count() {
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7 if ((${+_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]})); then
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8 ((_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]++))
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9 else
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10 _ZSH_AUTOSUGGEST_BIND_COUNTS[$1]=1
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11 fi
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12
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13 typeset -gi bind_count=$_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]
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14 }
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15
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16 _zsh_autosuggest_get_bind_count() {
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17 if ((${+_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]})); then
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18 typeset -gi bind_count=$_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]
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19 else
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20 typeset -gi bind_count=0
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21 fi
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22 }
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23
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24 # Bind a single widget to an autosuggest widget, saving a reference to the original widget
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25 _zsh_autosuggest_bind_widget() {
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26 typeset -gA _ZSH_AUTOSUGGEST_BIND_COUNTS
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27
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28 local widget=$1
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29 local autosuggest_action=$2
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30 local prefix=$ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX
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31
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32 local -i bind_count
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33
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34 # Save a reference to the original widget
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35 case $widgets[$widget] in
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36 # Already bound
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37 user:_zsh_autosuggest_(bound|orig)_*);;
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38
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39 # User-defined widget
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40 user:*)
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41 _zsh_autosuggest_incr_bind_count $widget
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42 zle -N $prefix${bind_count}-$widget ${widgets[$widget]#*:}
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43 ;;
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44
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45 # Built-in widget
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46 builtin)
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47 _zsh_autosuggest_incr_bind_count $widget
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48 eval "_zsh_autosuggest_orig_${(q)widget}() { zle .${(q)widget} }"
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49 zle -N $prefix${bind_count}-$widget _zsh_autosuggest_orig_$widget
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50 ;;
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51
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52 # Completion widget
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53 completion:*)
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54 _zsh_autosuggest_incr_bind_count $widget
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55 eval "zle -C $prefix${bind_count}-${(q)widget} ${${(s.:.)widgets[$widget]}[2,3]}"
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56 ;;
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57 esac
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58
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59 _zsh_autosuggest_get_bind_count $widget
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60
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61 # Pass the original widget's name explicitly into the autosuggest
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62 # function. Use this passed in widget name to call the original
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63 # widget instead of relying on the $WIDGET variable being set
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64 # correctly. $WIDGET cannot be trusted because other plugins call
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65 # zle without the `-w` flag (e.g. `zle self-insert` instead of
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66 # `zle self-insert -w`).
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67 eval "_zsh_autosuggest_bound_${bind_count}_${(q)widget}() {
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68 _zsh_autosuggest_widget_$autosuggest_action $prefix$bind_count-${(q)widget} \$@
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69 }"
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70
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71 # Create the bound widget
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72 zle -N -- $widget _zsh_autosuggest_bound_${bind_count}_$widget
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73 }
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74
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75 # Map all configured widgets to the right autosuggest widgets
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76 _zsh_autosuggest_bind_widgets() {
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77 emulate -L zsh
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78
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79 local widget
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80 local ignore_widgets
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81
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82 ignore_widgets=(
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83 .\*
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84 _\*
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85 zle-\*
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86 autosuggest-\*
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87 $ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX\*
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88 $ZSH_AUTOSUGGEST_IGNORE_WIDGETS
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89 )
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90
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91 # Find every widget we might want to bind and bind it appropriately
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92 for widget in ${${(f)"$(builtin zle -la)"}:#${(j:|:)~ignore_widgets}}; do
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93 if [[ -n ${ZSH_AUTOSUGGEST_CLEAR_WIDGETS[(r)$widget]} ]]; then
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94 _zsh_autosuggest_bind_widget $widget clear
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95 elif [[ -n ${ZSH_AUTOSUGGEST_ACCEPT_WIDGETS[(r)$widget]} ]]; then
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96 _zsh_autosuggest_bind_widget $widget accept
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97 elif [[ -n ${ZSH_AUTOSUGGEST_EXECUTE_WIDGETS[(r)$widget]} ]]; then
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98 _zsh_autosuggest_bind_widget $widget execute
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99 elif [[ -n ${ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS[(r)$widget]} ]]; then
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100 _zsh_autosuggest_bind_widget $widget partial_accept
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101 else
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102 # Assume any unspecified widget might modify the buffer
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103 _zsh_autosuggest_bind_widget $widget modify
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104 fi
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105 done
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106 }
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107
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108 # Given the name of an original widget and args, invoke it, if it exists
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109 _zsh_autosuggest_invoke_original_widget() {
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110 # Do nothing unless called with at least one arg
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111 (( $# )) || return 0
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112
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113 local original_widget_name="$1"
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114
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115 shift
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116
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117 if (( ${+widgets[$original_widget_name]} )); then
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118 zle $original_widget_name -- $@
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119 fi
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120 }