From: Matthias Kruk <m@m10k.eu>
Date: Sat, 3 Apr 2021 02:26:28 +0000 (+0900)
Subject: include/clip: Add functions for clipboard manipulation
X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=e13e3e027bd44371bb02854be50d22a38e6d2720;p=toolbox

include/clip: Add functions for clipboard manipulation

This commit adds some convenience functions for reading from, writing to,
and swapping X clipboards.
---

diff --git a/include/clip.sh b/include/clip.sh
new file mode 100644
index 0000000..1af36f5
--- /dev/null
+++ b/include/clip.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+__init() {
+	return 0
+}
+
+clip_get() {
+	local sel
+
+	sel="$1"
+
+	if ! xclip -selection "$sel" -o 2>/dev/null; then
+		return 1
+	fi
+
+	return 0
+}
+
+clip_get_any() {
+	if clip_get "primary"; then
+		return 0
+	fi
+
+	if clip_get "clipboard"; then
+		return 0
+	fi
+
+	if clip_get "secondary"; then
+		return 0
+	fi
+
+	return 1
+}
+
+clip_set() {
+	local sel
+	local data
+
+	sel="$1"
+	data="$2"
+
+	if (( $# < 2 )); then
+		data=$(</dev/stdin)
+	fi
+
+	if ! printf "$data" | xclip -selection "$sel" 2>/dev/null; then
+		return 1
+	fi
+
+	return 0
+}
+
+clip_swap() {
+	local left
+	local right
+
+	local left_data
+
+	left="$1"
+	right="$2"
+
+        left_data=$(clip_get "$left")
+	clip_get "$right" | clip_set "$left"
+	clip_set "$right" <<< "$left_data"
+
+	return 0
+}