anirudh.fi
+13
-4
shlide
+13
-4
shlide
···
30
30
display() {
31
31
# 1 - slide contents
32
32
# 2 - slide name
33
+
# 3 - current slide nr.
34
+
# 4 - total nr. of slides
33
35
34
36
slide_contents="$1"
35
37
···
39
41
# Clear the screen.
40
42
printf '\e[2J'
41
43
42
-
# Move the cursor to the center.
43
-
read -r LINES COLUMNS < <(stty -F /dev/tty size)
44
+
# Get screen size
45
+
shopt -s checkwinsize; (:;:)
46
+
47
+
# Write slide number at bottom left
48
+
printf '\e[H'
49
+
printf '\e[%sB%s/%s' "$LINES" "$(($3+1))" "$4"
50
+
51
+
# Custom calculations to center text
44
52
height=$(lines "$2")
45
53
width=$(longest_line "$2")
46
54
···
80
88
slides=("$slides_dir"/[0-9]*.txt)
81
89
i=0
82
90
while true; do
83
-
91
+
# Clear the screen.
92
+
printf '\e[2J'
84
93
# Display END reached prompt, and then exit
85
94
[[ "$i" -eq "${#slides[@]}" ]] && {
86
95
display_end
···
101
110
[[ "$i" -lt 0 ]] && i=0
102
111
103
112
# Navigate on j/k/n/p and quit on q.
104
-
display "$(<${slides[$i]})" "${slides[$i]}"
113
+
display "$(<${slides[$i]})" "${slides[$i]}" "$i" "${#slides[@]}"
105
114
read -rsn1 input
106
115
case "$input" in
107
116
"j"|"n")