Allow clearing the clipboard instantly; improve code sharing between platforms; facilitate GUI/TUI client development regarding the clipboard

core/copyTERMUX.go

@@ -1,4 +1,4 @@
-//go:build linux && termux
+//go:build android && termux
 
 package core
 
@@ -6,8 +6,6 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
-	"strings"
-	"time"
 )
 
 // copyString copies a string to the clipboard.
@@ -21,29 +19,13 @@ func copyString(continuous bool, copySubject string) {
 	}
 
 	if !continuous {
-		launchClipClear(copySubject)
+		launchClipClearProcess(copySubject)
 	}
 }
 
-// clipClear is called in a separate process to clear the clipboard after 30 seconds.
-func clipClear(oldContents string) {
-	time.Sleep(30 * time.Second)
-
-	cmd := exec.Command("termux-clipboard-get")
-	newContents, err := cmd.Output()
-	if err != nil {
-		fmt.Println(AnsiError+"Failed to read clipboard contents:", err.Error()+AnsiReset)
-		os.Exit(ErrorClipboard)
-	}
-
-	if oldContents == strings.TrimRight(string(newContents), "\r\n") {
-		cmd = exec.Command("termux-clipboard-set")
-		writeToStdin(cmd, "")
-		err = cmd.Run()
-		if err != nil {
-			fmt.Println(AnsiError+"Failed to clear clipboard:", err.Error()+AnsiReset)
-			os.Exit(ErrorClipboard)
-		}
-	}
-	Exit(0)
+// getClipCommands returns the commands for pasting and clearing the clipboard contents.
+func getClipCommands() (*exec.Cmd, *exec.Cmd) {
+	cmdClear := exec.Command("termux-clipboard-set")
+	writeToStdin(cmdClear, "")
+	return exec.Command("termux-clipboard-get"), cmdClear
 }