feat: add joshuto config

joshuto/on_preview_shown

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+FILE_PATH="$1"			# Full path of the previewed file
+PREVIEW_X_COORD="$2"		# x coordinate of upper left cell of preview area
+PREVIEW_Y_COORD="$3"		# y coordinate of upper left cell of preview area
+PREVIEW_WIDTH="$4"		# Width of the preview pane (number of fitting characters)
+PREVIEW_HEIGHT="$5"		# Height of the preview pane (number of fitting characters)
+
+TMP_FILE="$HOME/.cache/joshuto/thumbcache.png"
+
+mimetype=$(file --mime-type -Lb "$FILE_PATH")
+
+function image {
+	kitty +kitten icat \
+		--transfer-mode=file \
+		--clear 2>/dev/null
+	kitty +kitten icat \
+		--transfer-mode=file \
+		--place "${PREVIEW_WIDTH}x${PREVIEW_HEIGHT}@${PREVIEW_X_COORD}x${PREVIEW_Y_COORD}" \
+		"$1" 2>/dev/null
+}
+
+case "$mimetype" in
+	image/*)
+		image "${FILE_PATH}"
+		;;
+	*)
+		kitty +kitten icat \
+			--transfer-mode=file \
+			--clear 2>/dev/null
+		;;
+esac