From ebce321a72331697287838b864735e7b81e60b33 Mon Sep 17 00:00:00 2001
From: Dana Jansens <danakj@orodu.net>
Date: Mon, 23 Jul 2007 17:42:08 -0400
Subject: look mom, I made an openbox toolkit

---
 obt/instance.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 obt/instance.c

(limited to 'obt/instance.c')

diff --git a/obt/instance.c b/obt/instance.c
new file mode 100644
index 00000000..8299eb85
--- /dev/null
+++ b/obt/instance.c
@@ -0,0 +1,56 @@
+#include "obt/obt.h"
+
+#ifdef HAVE_STRING_H
+#  include <string.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#  include <fcntl.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+#endif
+
+struct _ObtInstance
+{
+    gint ref;
+    Display *d;
+};
+
+ObtInstance* obt_instance_new(const char *display_name)
+{
+    gchar *n;
+    Display *d;
+    ObtInstance *inst = NULL;
+
+    n = display_name ? g_strdup(display_name) : NULL;
+    d = XOpenDisplay(n);
+    if (d) {
+        if (fcntl(ConnectionNumber(d), F_SETFD, 1) == -1)
+            g_message("Failed to set display as close-on-exec");
+
+        inst = g_new(ObtInstance, 1);
+        inst->ref = 1;
+        inst->d = d;
+    }
+    g_free(n);
+
+    return inst;
+}
+
+void obt_instance_ref(ObtInstance *inst)
+{
+    ++inst->ref;
+}
+
+void obt_instance_unref(ObtInstance *inst)
+{
+    if (inst && --inst->ref == 0) {
+        XCloseDisplay(inst->d);
+        obt_free0(inst, ObtInstance, 1);
+    }
+}
+
+Display* obt_display(const ObtInstance *inst)
+{
+    return inst->d;
+}
-- 
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