Skip to content
This repository was archived by the owner on Apr 26, 2024. It is now read-only.

general: tmux pane image display support #102

Open
Crestwave wants to merge 1 commit into
base: master
Choose a base branch
from
Open

general: tmux pane image display support #102

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
41 changes: 35 additions & 6 deletions fff
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -361,12 +361,26 @@ draw_dir() {

draw_img() {
# Draw an image file on the screen using w3m-img.

# We are on tmux; set the necessary variables for later use.
[[ $TMUX ]] && {
type -p tmux &>/dev/null || {
cmd_line "error: Couldn't find 'tmux'; is it in your PATH?"
return
}

for var in client_width client_height pane_width pane_height \
pane_id window_visible_layout client_termname; {
declare "$var=$(tmux display-message -p "#{$var}")"
}
}

# We can use the framebuffer; set win_info_cmd as appropriate.
[[ $(tty) == /dev/tty[0-9]* && -w /dev/fb0 ]] &&
[[ ${client_termname:-$TERM} == linux && -w /dev/fb0 ]] &&
win_info_cmd="fbset"

# X isn't running and we can't use the framebuffer, do nothing.
[[ -z $DISPLAY && $win_info_cmd != fbset ]] &&
[[ -z ${DISPLAY}${win_info_cmd} ]] &&
return

# File isn't an image file, do nothing.
Expand Down Expand Up @@ -400,6 +414,21 @@ draw_img() {
IFS=x read -r WIDTH HEIGHT <<< "${BASH_REMATCH[1]}"
fi

# Adjust the dimensions and offsets to the current tmux pane.
[[ $TMUX ]] && {
((col_width=WIDTH/client_width))
((line_height=HEIGHT/client_height))

((WIDTH=pane_width*col_width))
((HEIGHT=pane_height*line_height))

[[ $window_visible_layout =~ .*x[0-9]+,([0-9]+,[0-9]+),${pane_id#%}.* ]]
IFS=, read -r tmux_xoffset tmux_yoffset <<< "${BASH_REMATCH[1]}"

((tmux_xoffset=tmux_xoffset*col_width))
((tmux_yoffset=tmux_yoffset*line_height))
}

# Get the image size in pixels.
read -r img_width img_height < <("$w3m" <<< "5;${list[scroll]}")

Expand All @@ -425,8 +454,8 @@ draw_img() {

# Display the image.
printf '0;1;%s;%s;%s;%s;;;;;%s\n3;\n4\n' \
"${FFF_W3M_XOFFSET:-0}" \
"${FFF_W3M_YOFFSET:-0}" \
$((FFF_W3M_XOFFSET+tmux_xoffset)) \
$((FFF_W3M_YOFFSET+tmux_yoffset)) \
"$img_width" \
"$img_height" \
"${list[scroll]}" | "$w3m" &>/dev/null
Expand All @@ -436,8 +465,8 @@ draw_img() {

# Clear the image.
printf '6;%s;%s;%s;%s\n3;' \
"${FFF_W3M_XOFFSET:-0}" \
"${FFF_W3M_YOFFSET:-0}" \
$((FFF_W3M_XOFFSET+tmux_xoffset)) \
$((FFF_W3M_YOFFSET+tmux_yoffset)) \
"$WIDTH" \
"$HEIGHT" | "$w3m" &>/dev/null

Expand Down