copied BrodieRobertson's preview scripts

3 files changed, 85 insertions, 1 deletions

diff --git a/.config/lf/draw_img b/.config/lf/draw_img
new file mode 100755
index 0000000..5a70d5e
--- /dev/null
+++ b/.config/lf/draw_img
@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+
+clear_screen() {
+    printf '\e[%sH\e[9999C\e[1J%b\e[1;%sr' \
+           "$((LINES-2))" "${TMUX:+\e[2J}" "$max_items"
+}
+
+# Get a file's mime_type.
+mime_type=$(file -bi "$1")
+
+# File isn't an image file, give warning.
+if [[ $mime_type != image/* ]]; then
+    lf -remote "send $id echoerr 'Not an image'"
+    exit
+fi
+
+w3m_paths=(/usr/{local/,}{lib,libexec,lib64,libexec64}/w3m/w3mi*)
+read -r w3m _ < <(type -p w3mimgdisplay "${w3m_paths[@]}")
+read -r LINES COLUMNS < <(stty size)
+
+# Get terminal window size in pixels and set it to WIDTH and HEIGHT.
+export $(xdotool getactivewindow getwindowgeometry --shell)
+
+# Get the image size in pixels.
+read -r img_width img_height < <("$w3m" <<< "5;${CACHE:-$1}")
+
+((img_width > WIDTH)) && {
+    ((img_height=img_height*WIDTH/img_width))
+    ((img_width=WIDTH))
+}
+
+((img_height > HEIGHT)) && {
+    ((img_width=img_width*HEIGHT/img_height))
+    ((img_height=HEIGHT))
+}
+
+# Variable needed for centering image.
+HALF_HEIGHT=$(expr $HEIGHT / 2)
+HALF_WIDTH=$(expr $WIDTH / 2)
+HALF_IMG_HEIGHT=$(expr $img_height / 2)
+HALF_IMG_WIDTH=$(expr $img_width / 2)
+X_POS=$(expr $HALF_WIDTH - $HALF_IMG_WIDTH)
+Y_POS=$(expr $HALF_HEIGHT - $HALF_IMG_HEIGHT)
+
+clear_screen
+# Hide the cursor.
+printf '\e[?25l'
+
+# Display the image.
+printf '0;1;%s;%s;%s;%s;;;;;%s\n3;\n4\n' \
+    ${X_POS:-0} \
+    ${Y_POS:-0} \
+    "$img_width" \
+    "$img_height" \
+    "${CACHE:-$1}" | "$w3m" &>/dev/null
+
+# Wait for user input.
+read -ern 1
+
+# Clear the image.
+printf '6;%s;%s;%s;%s\n3;' \
+    "${X_POS:-0}" \
+    "${Y_POS:-0}" \
+    "$WIDTH" \
+    "$HEIGHT" | "$w3m" &>/dev/null
+
+clear_screen
diff --git a/.config/lf/image b/.config/lf/image
new file mode 100755
index 0000000..db64bf2
--- /dev/null
+++ b/.config/lf/image
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+readonly ID_PREVIEW="preview"
+main() {
+	case "$1" in
+		"clear")
+			declare -p -A cmd=([action]=remove [identifier]="$ID_PREVIEW") \
+				> "$FIFO_UEBERZUG"
+			;;
+		"draw")
+			declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" \
+				[x]="$3" [y]="$4" [max_width]="$5" [max_height]="$6" \
+				[path]="$2") > "$FIFO_UEBERZUG"
+			;;
+		"*") echo "Unknown command: '$1', '$2'" ;;
+	esac
+}
+main "$@"
diff --git a/.config/lf/preview b/.config/lf/preview
index c90dba6..3069a06 100644..100755
--- a/.config/lf/preview
+++ b/.config/lf/preview
@@ -1,5 +1,4 @@
 #!/bin/sh
-# thank you brodie robertson for this
 
 # Clear the last preview (if any)
 $HOME/.config/lf/image clear
@@ -46,3 +45,4 @@ case "$1" in
 		;;
 	*) highlight --out-format ansi "$1" || cat "$1";;
 esac
+