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52 lines
1.5 KiB
52 lines
1.5 KiB
2 years ago
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#!/usr/bin/env sh
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# todo: this script doesn't work at alll for some reason. clear_area is being called but the cursor isn't moving around correctly
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# This magical spell clears a specific area of the terminal window, leaving behind a clean and clear space.
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# Usage: cast_clear_area x y width height
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# The area to be cleared is specified by its top left corner (x, y) and its width and height.
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# Define the function to clear the specified area
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clear_area() {
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x=$1
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y=$2
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width=$3
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height=$4
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# Move the cursor to the top left corner of the area to be cleared
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move-cursor $x $y
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#echo -en "\033[$y;$xH"
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# Clear the area by outputting a space and then moving the cursor back
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i=0
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while [ $i -lt $height ]; do
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j=0
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while [ $j -lt $width ]; do
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echo -n " "
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j=$((j + 1))
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done
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# Move the cursor back to the start of the line
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#echo -en "\033[$((y + i));$xH"
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move-cursor $x $((y + i))
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i=$((i + 1))
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done
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}
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# Unit test--this doesn't work yet, but I tseted clear_area manually and it works
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test_clear_area() {
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. assertions
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initial_x=$(fathom-cursor -x)
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initial_y=$(fathom-cursor -y)
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move_cursor 5 5
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clear-area 3 3
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move_cursor 5 5
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assert_equal "$(tput cup 5 5; tput sc; tput cup $initial_y $initial_x)" ""
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move_cursor $initial_x $initial_y
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echo "All tests passed"
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}
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# Check if the script is being called from another script
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if [ "${BASH_SOURCE[0]}" = "$0" ]; then
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# If not, call the function and pass it the command line arguments
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clear_area "$@"
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fi
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