1 files changed, 37 insertions, 0 deletions
diff --git a/src/wm.c b/src/wm.c
new file mode 100644
index 0000000..9126755
--- /dev/null
+++ b/src/wm.c
@@ -0,0 +1,37 @@
+#include "wm.h"
+#include "common.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+const char *display_wm() {
+#if defined(__APPLE__)
+  return "Aqua";
+#else
+  const char *display = run_command_s("echo $DISPLAY");
+  if (display == NULL || strlen(display) == 0) return NULL;
+  else free((void *)display);
+
+  char cmd[512];
+  const char *id = run_command_s("xprop -root -notype _NET_SUPPORTING_WM_CHECK | "
+      "awk '{print $5}'");
+
+  snprintf(
+    cmd,
+    sizeof(cmd),
+    "%s%s%s",
+    "xprop -id ",
+    id,
+    " -notype -len 100 -f _NET_WM_NAME 8t | awk '{print $3}' | head -1 | "
+    "sed 's/\"//g'"
+  );
+
+  free((void *)id);
+
+  const char *wm = run_command_s(cmd);
+
+  return wm;
+#endif
+  return NULL;
+}