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annotate .zfun/zsh-autosuggestions/src/widgets.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
Augie Fackler <raf@durin42.com>
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1
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
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2 #--------------------------------------------------------------------#
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3 # Autosuggest Widget Implementations #
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4 #--------------------------------------------------------------------#
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5
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Augie Fackler <raf@durin42.com>
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6 # Disable suggestions
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7 _zsh_autosuggest_disable() {
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8 typeset -g _ZSH_AUTOSUGGEST_DISABLED
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9 _zsh_autosuggest_clear
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10 }
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11
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
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12 # Enable suggestions
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13 _zsh_autosuggest_enable() {
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14 unset _ZSH_AUTOSUGGEST_DISABLED
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15
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16 if (( $#BUFFER )); then
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17 _zsh_autosuggest_fetch
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18 fi
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19 }
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20
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
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21 # Toggle suggestions (enable/disable)
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22 _zsh_autosuggest_toggle() {
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23 if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then
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24 _zsh_autosuggest_enable
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25 else
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26 _zsh_autosuggest_disable
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27 fi
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28 }
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29
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
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30 # Clear the suggestion
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31 _zsh_autosuggest_clear() {
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32 # Remove the suggestion
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33 unset POSTDISPLAY
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34
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35 _zsh_autosuggest_invoke_original_widget $@
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36 }
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37
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38 # Modify the buffer and get a new suggestion
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39 _zsh_autosuggest_modify() {
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40 emulate -L zsh
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41
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42 local -i retval
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43
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
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44 # Only available in zsh >= 5.4
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
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45 local -i KEYS_QUEUED_COUNT
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46
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
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47 # Save the contents of the buffer/postdisplay
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
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48 local orig_buffer="$BUFFER"
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49 local orig_postdisplay="$POSTDISPLAY"
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50
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51 # Clear suggestion while waiting for next one
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52 unset POSTDISPLAY
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53
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54 # Original widget may modify the buffer
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55 _zsh_autosuggest_invoke_original_widget $@
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56 retval=$?
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57
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58 # Don't fetch a new suggestion if there's more input to be read immediately
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59 if (( $PENDING > 0 )) || (( $KEYS_QUEUED_COUNT > 0 )); then
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60 POSTDISPLAY="$orig_postdisplay"
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61 return $retval
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62 fi
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63
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64 # Optimize if manually typing in the suggestion
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65 if (( $#BUFFER > $#orig_buffer )); then
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66 local added=${BUFFER#$orig_buffer}
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67
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68 # If the string added matches the beginning of the postdisplay
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69 if [[ "$added" = "${orig_postdisplay:0:$#added}" ]]; then
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70 POSTDISPLAY="${orig_postdisplay:$#added}"
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71 return $retval
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72 fi
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73 fi
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74
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75 # Don't fetch a new suggestion if the buffer hasn't changed
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76 if [[ "$BUFFER" = "$orig_buffer" ]]; then
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77 POSTDISPLAY="$orig_postdisplay"
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78 return $retval
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79 fi
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80
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81 # Bail out if suggestions are disabled
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82 if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then
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83 return $?
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84 fi
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85
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86 # Get a new suggestion if the buffer is not empty after modification
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87 if (( $#BUFFER > 0 )); then
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88 if [[ -z "$ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE" ]] || (( $#BUFFER <= $ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE )); then
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89 _zsh_autosuggest_fetch
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90 fi
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91 fi
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92
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93 return $retval
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94 }
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95
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96 # Fetch a new suggestion based on what's currently in the buffer
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97 _zsh_autosuggest_fetch() {
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98 if zpty -t "$ZSH_AUTOSUGGEST_ASYNC_PTY_NAME" &>/dev/null; then
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99 _zsh_autosuggest_async_request "$BUFFER"
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100 else
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101 local suggestion
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102 _zsh_autosuggest_fetch_suggestion "$BUFFER"
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103 _zsh_autosuggest_suggest "$suggestion"
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104 fi
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105 }
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106
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107 # Offer a suggestion
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108 _zsh_autosuggest_suggest() {
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109 emulate -L zsh
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110
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111 local suggestion="$1"
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112
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113 if [[ -n "$suggestion" ]] && (( $#BUFFER )); then
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114 POSTDISPLAY="${suggestion#$BUFFER}"
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115 else
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116 unset POSTDISPLAY
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117 fi
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118 }
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119
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120 # Accept the entire suggestion
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121 _zsh_autosuggest_accept() {
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122 local -i max_cursor_pos=$#BUFFER
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123
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124 # When vicmd keymap is active, the cursor can't move all the way
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125 # to the end of the buffer
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parents:
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126 if [[ "$KEYMAP" = "vicmd" ]]; then
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
127 max_cursor_pos=$((max_cursor_pos - 1))
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
128 fi
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
129
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
130 # Only accept if the cursor is at the end of the buffer
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
131 if [[ $CURSOR = $max_cursor_pos ]]; then
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
132 # Add the suggestion to the buffer
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
133 BUFFER="$BUFFER$POSTDISPLAY"
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
134
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
135 # Remove the suggestion
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
136 unset POSTDISPLAY
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
137
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
138 # Move the cursor to the end of the buffer
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
139 CURSOR=${#BUFFER}
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
140 fi
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
141
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
142 _zsh_autosuggest_invoke_original_widget $@
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
143 }
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
144
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
145 # Accept the entire suggestion and execute it
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
146 _zsh_autosuggest_execute() {
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
147 # Add the suggestion to the buffer
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
148 BUFFER="$BUFFER$POSTDISPLAY"
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
149
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
150 # Remove the suggestion
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
151 unset POSTDISPLAY
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
152
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
153 # Call the original `accept-line` to handle syntax highlighting or
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
154 # other potential custom behavior
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
155 _zsh_autosuggest_invoke_original_widget "accept-line"
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
156 }
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
157
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
158 # Partially accept the suggestion
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
159 _zsh_autosuggest_partial_accept() {
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
160 local -i retval cursor_loc
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
161
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
162 # Save the contents of the buffer so we can restore later if needed
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
163 local original_buffer="$BUFFER"
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
164
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Augie Fackler <raf@durin42.com>
parents:
diff changeset
165 # Temporarily accept the suggestion.
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
166 BUFFER="$BUFFER$POSTDISPLAY"
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
167
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
168 # Original widget moves the cursor
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
169 _zsh_autosuggest_invoke_original_widget $@
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
170 retval=$?
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
171
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
172 # Normalize cursor location across vi/emacs modes
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
173 cursor_loc=$CURSOR
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
174 if [[ "$KEYMAP" = "vicmd" ]]; then
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
175 cursor_loc=$((cursor_loc + 1))
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
176 fi
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
177
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
178 # If we've moved past the end of the original buffer
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
179 if (( $cursor_loc > $#original_buffer )); then
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
180 # Set POSTDISPLAY to text right of the cursor
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
181 POSTDISPLAY="${BUFFER[$(($cursor_loc + 1)),$#BUFFER]}"
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
182
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
183 # Clip the buffer at the cursor
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
184 BUFFER="${BUFFER[1,$cursor_loc]}"
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
185 else
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
186 # Restore the original buffer
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
187 BUFFER="$original_buffer"
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
188 fi
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
189
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
190 return $retval
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
191 }
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
192
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
193 for action in clear modify fetch suggest accept partial_accept execute enable disable toggle; do
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
194 eval "_zsh_autosuggest_widget_$action() {
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
195 local -i retval
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
196
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
197 _zsh_autosuggest_highlight_reset
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
198
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
199 _zsh_autosuggest_$action \$@
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
200 retval=\$?
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
201
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
202 _zsh_autosuggest_highlight_apply
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
203
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
204 zle -R
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
205
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
206 return \$retval
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
207 }"
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
208 done
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
209
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
210 zle -N autosuggest-fetch _zsh_autosuggest_widget_fetch
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
211 zle -N autosuggest-suggest _zsh_autosuggest_widget_suggest
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
212 zle -N autosuggest-accept _zsh_autosuggest_widget_accept
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
213 zle -N autosuggest-clear _zsh_autosuggest_widget_clear
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
214 zle -N autosuggest-execute _zsh_autosuggest_widget_execute
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
215 zle -N autosuggest-enable _zsh_autosuggest_widget_enable
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
216 zle -N autosuggest-disable _zsh_autosuggest_widget_disable
e1ce8897030d zsh: import df6f6f9ff41 of zsh-autosuggestions
Augie Fackler <raf@durin42.com>
parents:
diff changeset
217 zle -N autosuggest-toggle _zsh_autosuggest_widget_toggle