utils-code/fakerr.git-recall
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fix redraw issue

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Fakerr 2017-02-04 18:41:07 +01:00
parent 9d50eda776
commit 1ae18daa5c
1 changed files with 45 additions and 15 deletions
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60
git-recall
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@ -127,16 +127,7 @@ NI=${#COMMITS[@]} # Total number of items.
SN=$(( `tput lines` - 1 )) # Screen's number of lines.
CN=$(tput cols) # Screen's number of columns.
TN=$(( $NI < $((SN -1)) ? $NI : $((SN -1)))) # Number of lines that we will display.
OFFSET=0
# Add +1 to OFFSET if a commit's length is bigger than the current terminal session's width. (This is to fix a redraw issue)
for C in "${COMMITS[@]}"
do
ELT="$(echo "$C" | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g")" # remove colors escape codes
if [[ ${#ELT} -gt $CN ]]; then
OFFSET=$(( OFFSET + 1 ))
fi
done
OFFSET=0 #Incremented by one each time a commit's length is higher than teminal width.
# If there is no items, exit.
if [[ $NI = 0 ]]; then
@ -147,6 +138,15 @@ if [[ $NI = 0 ]]; then
fi
fi
# Add +1 to OFFSET if a commit's length is bigger than the current terminal session's width. (This is to fix a redraw issue)
for C in "${COMMITS[@]}"
do
ELT="$(echo "$C" | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g")" # remove colors escape codes
if [[ ${#ELT} -gt $CN ]]; then
OFFSET=$(( OFFSET + 1 ))
fi
done
# Set keys.
au="`echo -e '\e[A'`" # arrow up
au_1="k" # arrow up
@ -206,6 +206,20 @@ function print_diff() {
fi
}
# Calculate OFFSET to avoid bad redraw. (Really bad performance.)
function calculate_offset {
# Add +1 to OFFSET if a commit's length is bigger than the current terminal session's width. (This is to fix a redraw issue)
OFFSET=0
limit=$(( SN + SI ))
tmp=("${COMMITS[@]:$SI:$limit}")
for C in "${tmp[@]}"
do
ELT="$(echo "$C" | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g")" # remove colors escape codes
if [[ ${#ELT} -gt $CN ]]; then
OFFSET=$(( OFFSET + 1 ))
fi
done
}
{ # capture stdout to stderr
@ -218,7 +232,19 @@ END=false # end while loop
while ! $END
do
for i in `seq $SI $(( $TN + $SI -1 ))`
# Set last index to print. (based on OFFSET)
if [[ $TN == $NI ]]; then
END_INDEX=$TN
elif [[ $TN == $(( SN - 1 )) ]]; then
# Calculate new OFFSET.
if [[ $OFFSET != 0 ]]; then
calculate_offset #This involve really bad performance. Should be reconsidered.
fi
END_INDEX=$(( TN + SI -1 - OFFSET ))
fi
# Loop and echo commits
for i in `seq $SI $END_INDEX`
do
echo -n "$NORMAL"
[[ $CP == $i ]] && echo -n "$REVERSE"
@ -236,18 +262,22 @@ do
"$au" | "$au_1")
CP=$(( CP - 1 ))
[[ $CP == 0 ]] && [[ $SI=1 ]] && [[ $TN == $(( SN - 1 )) ]] && CP=$NI && SI=$(( NI - SN + 2 ))
[[ $CP == 0 ]] && [[ $SI=1 ]] && [[ $TN == $(( SN - 1 )) ]] && CP=$(( NI - OFFSET )) && SI=$(( NI - SN + 2 ))
[[ $CP == 0 ]] && [[ $SI=1 ]] && [[ $TN == $NI ]] && CP=$TN
[[ $CP == $(( SI - 1 )) ]] && [[ $SI != 1 ]] && SI=$(( SI - 1 ))
tput cuu $(( TN + OFFSET ))
[[ $TN != $(( SN - 1 )) ]] && tput cuu $(( TN + OFFSET ))
[[ $TN == $(( SN - 1 )) ]] && tput cuu $(( SN - 1 ))
[[ $SI != 1 ]] && tput ed # clear screen
;;
"$ad" | "$ad_1")
CP=$(( CP + 1 ))
[[ $CP == $(( NI + 1 )) ]] && CP=1 && SI=1
[[ $CP == $(( SN + SI - 1)) ]] && [[ $TN == $(( SN - 1 )) ]] && SI=$(( SI + 1 ))
tput cuu $(( TN + OFFSET ))
[[ $CP == $(( SN + SI - 1 - OFFSET )) ]] && [[ $TN == $(( SN - 1 )) ]] && SI=$(( SI + 1 ))
[[ $TN != $(( SN - 1 )) ]] && tput cuu $(( TN + OFFSET ))
[[ $TN == $(( SN - 1 )) ]] && tput cuu $(( SN - 1 ))
[[ $SI != 1 ]] && tput ed # clear screen
[[ $SI = 1 ]] && [[ $CP = 1 ]] && tput ed # clear screen
;;