major refactor.

internal/desktop/clipboard/clipboard.c

@@ -0,0 +1,21 @@
+#include "clipboard.h"
+
+static clipboard_c *CLIPBOARD = NULL;
+
+clipboard_c *getClipboard(void) {
+  if (CLIPBOARD == NULL) {
+    CLIPBOARD = clipboard_new(NULL);
+  }
+
+  return CLIPBOARD;
+}
+
+void ClipboardSet(char *src) {
+  clipboard_c *cb = getClipboard();
+  clipboard_set_text_ex(cb, src, strlen(src), 0);
+}
+
+char *ClipboardGet() {
+  clipboard_c *cb = getClipboard();
+  return clipboard_text_ex(cb, NULL, 0);
+}

internal/desktop/clipboard/clipboard.go

@@ -0,0 +1,36 @@
+package clipboard
+
+/*
+#cgo linux CFLAGS: -I/usr/src -I/usr/local/include/
+#cgo linux LDFLAGS: /usr/local/lib/libclipboard.a -L/usr/src -L/usr/local/lib -lxcb
+
+#include "clipboard.h"
+*/
+import "C"
+
+import (
+	"sync"
+	"unsafe"
+)
+
+var mu = sync.Mutex{}
+
+func ReadClipboard() string {
+	mu.Lock()
+	defer mu.Unlock()
+
+	clipboardUnsafe := C.ClipboardGet()
+	defer C.free(unsafe.Pointer(clipboardUnsafe))
+
+	return C.GoString(clipboardUnsafe)
+}
+
+func WriteClipboard(data string) {
+	mu.Lock()
+	defer mu.Unlock()
+
+	clipboardUnsafe := C.CString(data)
+	defer C.free(unsafe.Pointer(clipboardUnsafe))
+
+	C.ClipboardSet(clipboardUnsafe)
+}

internal/desktop/clipboard/clipboard.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <libclipboard.h>
+#include <string.h>
+
+clipboard_c *getClipboard(void);
+
+void ClipboardSet(char *src);
+char *ClipboardGet();