summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMikael Magnusson <mikachu@gmail.com>2020-08-05 17:14:13 +0200
committerMikael Magnusson <mikachu@gmail.com>2020-08-16 18:04:43 +0200
commit0bc559d0918159e357dc3669e97e9bb67b9610bd (patch)
treea868bb7ed8774a34a19043316418727f8c233ae6
parent841188439b1b93031b4d4cb195d50958fe88d6a4 (diff)
downloadzsh-0bc559d0918159e357dc3669e97e9bb67b9610bd.tar.gz
zsh-0bc559d0918159e357dc3669e97e9bb67b9610bd.zip
47307: edit-command-line: restrict editing to region if it is active
-rw-r--r--Functions/Zle/edit-command-line36
1 files changed, 29 insertions, 7 deletions
diff --git a/Functions/Zle/edit-command-line b/Functions/Zle/edit-command-line
index 8aaeb738e..3781244b2 100644
--- a/Functions/Zle/edit-command-line
+++ b/Functions/Zle/edit-command-line
@@ -7,9 +7,20 @@
# except that it will handle multi-line buffers properly.
emulate -L zsh
-local prebuffer
-# see below comment for why this is needed
-if (( ! ZLE_RECURSIVE )); then
+local left right prebuffer buffer=$BUFFER lbuffer=$LBUFFER
+# set up parameters depending on which context we are called from,
+# see below comment for more details
+if (( REGION_ACTIVE )); then
+ if (( CURSOR < MARK )); then
+ left=$CURSOR right=$MARK
+ lbuffer=
+ else
+ left=$MARK right=$CURSOR
+ lbuffer[right-left,-1]=
+ fi
+ (( left++ ))
+ buffer=$BUFFER[left,right]
+elif (( ! ZLE_RECURSIVE )); then
prebuffer=$PREBUFFER
fi
@@ -29,10 +40,10 @@ fi
fi
case $editor in
(*vim*)
- integer byteoffset=$(( $#PREBUFFER + $#LBUFFER + 1 ))
+ integer byteoffset=$(( $#prebuffer + $#lbuffer + 1 ))
"${(@)editor}" -c "normal! ${byteoffset}go" -- $1;;
(*emacs*)
- local lines=( "${(@f):-"$PREBUFFER$LBUFFER"}" )
+ local lines=( "${(@f):-"$prebuffer$lbuffer"}" )
"${(@)editor}" +${#lines}:$((${#lines[-1]} + 1)) $1;;
(*) "${(@)editor}" $1;;
esac
@@ -48,13 +59,24 @@ fi
# the following point)
# - when we are at PS2 (CONTEXT == cont && ! ZLE_RECURSIVE) we do want the
# break or otherwise the text from PREBUFFER will be inserted twice
+ # - when the region is active, we only want to change the parts of BUFFER
+ # covered by the region, and any PREBUFFER stays as PREBUFFER
# - in all other cases (that I can think of) we also just want to set
# $BUFFER directly.
- if [[ $CONTEXT != cont ]] || (( ZLE_RECURSIVE )); then
+ if (( REGION_ACTIVE )); then
+ # adjust the length of the region to the length of the edited text
+ local prelen=$#BUFFER
+ BUFFER[left,right]="$(<$1)"
+ if (( MARK > CURSOR )); then
+ (( MARK += $#BUFFER - prelen ))
+ else
+ (( CURSOR += $#BUFFER - prelen ))
+ fi
+ elif [[ $CONTEXT != cont ]] || (( ZLE_RECURSIVE )); then
BUFFER="$(<$1)"
else
print -Rz - "$(<$1)"
zle send-break
fi
-} =(<<<"$prebuffer$BUFFER")
+} =(<<<"$prebuffer$buffer")