From 5c58bd4e5a534a4b2561b69a458414315676078c Mon Sep 17 00:00:00 2001
From: Andelib Taref Srizon <88821308+IamAndelib@users.noreply.github.com>
Date: Mon, 9 Jun 2025 11:43:06 +0600
Subject: [PATCH] Create clipboard-screenshot-preview.sh

Screenshot thumbnail preview in wofi dmenu.
---
 clipboard-screenshot-preview.sh | 73 +++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 clipboard-screenshot-preview.sh

diff --git a/clipboard-screenshot-preview.sh b/clipboard-screenshot-preview.sh
new file mode 100644
index 0000000..b5816d3
--- /dev/null
+++ b/clipboard-screenshot-preview.sh
@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+
+thumb_dir="${XDG_CACHE_HOME:-$HOME/.cache}/cliphist/thumbs"
+mkdir -p "$thumb_dir"
+
+cliphist_list=$(cliphist list)
+
+declare -A existing_ids
+while IFS=$'\t' read -r id _; do
+    [[ -n "$id" ]] && existing_ids["$id"]=1
+done <<< "$cliphist_list"
+
+for thumb_path in "$thumb_dir"/*; do
+    [[ -e "$thumb_path" ]] || continue
+    thumb_id="${thumb_path##*/}"
+    thumb_id="${thumb_id%.*}"
+    
+    if [[ -z "${existing_ids[$thumb_id]}" ]]; then
+        rm -f "$thumb_path"
+    fi
+done
+
+processed_list=$(awk -v thumb_dir="$thumb_dir" '
+    /^[0-9]+\s<meta http-equiv=/ { next }  # Skip meta tags
+    match($1, /^([0-9]+)\s+(\[\[\s)?binary.*(jpe?g|png|bmp|gif|webp)/, m) {
+        id = m[1]
+        ext = m[3]
+        thumb_file = thumb_dir "/" id "." ext
+        
+        # Generate thumbnail if needed
+        if (!system(" [ -f \"" thumb_file "\" ] ")) {
+            print id
+            print "img:" thumb_file
+            next
+        }
+        
+        # Try to generate thumbnail
+        decode_cmd = "printf \"" id "\\t\" | cliphist decode"
+        convert_cmd = "magick - -resize 256x256> -strip -quiet \"" thumb_file "\" 2>/dev/null"
+        
+        if (system(decode_cmd " | " convert_cmd) == 0) {
+            print id
+            print "img:" thumb_file
+            next
+        }
+        
+        # Fallback to text if conversion fails
+        rm -f thumb_file
+    }
+    { print }  # Print non-image entries as-is
+' <<< "$cliphist_list")
+
+choice=$(wofi -I --dmenu \
+              -Dimage_size=200 \
+              -Dcontent_halign=center \
+              -Dline_wrap=word_char \
+              -Dwidth=40% \
+              -Ddynamic_lines=true \ \
+              -p "Clipboard" \
+              -k /dev/null <<< "$processed_list")
+
+[[ -z "$choice" ]] && exit 0
+
+if [[ "$choice" == img:* ]]; then
+    notify-send "Clipboard" "Item cannot be copied (select the ID instead)" -i dialog-error
+    exit 1
+fi
+
+clip_id=$(echo "$choice" | awk 'NR==1 {print $1}')
+
+printf "%s\t" "$clip_id" | cliphist decode | wl-copy
+
+notify-send "Clipboard" "Item copied to clipboard" -i edit-copy