Add gtk-query-settings

A small utility binary to query all properties of GtkSettings.

https://bugzilla.gnome.org/show_bug.cgi?id=756174

1 files changed, 70 insertions, 0 deletions

diff --git a/gtk/gtk-query-settings.c b/gtk/gtk-query-settings.c
new file mode 100644
index 0000000000..cf1e476db9
--- /dev/null
+++ b/gtk/gtk-query-settings.c
@@ -0,0 +1,70 @@
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <string.h>
+
+
+int
+main (int argc, char **argv)
+{
+  GtkSettings  *settings;
+  GParamSpec  **props;
+  guint         n_properties;
+  int           i;
+  int           max_prop_name_length = 0;
+  gchar        *pattern = NULL;
+
+  gtk_init (&argc, &argv);
+
+  if (argc > 1)
+    pattern = argv[1];
+
+  settings = gtk_settings_get_default ();
+  props = g_object_class_list_properties (G_OBJECT_GET_CLASS (settings), &n_properties);
+
+  for (i = 0; i < n_properties; i ++)
+    {
+      int len = strlen (props[i]->name);
+
+      if (len > max_prop_name_length)
+        max_prop_name_length = len;
+    }
+
+
+  for (i = 0; i < n_properties; i ++)
+    {
+      GValue      value = {0};
+      GParamSpec *prop = props[i];
+      gchar      *value_str;
+      int         spacing = max_prop_name_length - strlen (prop->name);
+
+      if (pattern && !g_strrstr (prop->name, pattern))
+        continue;
+
+      g_value_init (&value, prop->value_type);
+      g_object_get_property (G_OBJECT (settings), prop->name, &value);
+
+      if (G_VALUE_HOLDS_ENUM (&value))
+        {
+          GEnumClass *enum_class = G_PARAM_SPEC_ENUM (prop)->enum_class;
+          GEnumValue *enum_value = g_enum_get_value (enum_class, g_value_get_enum (&value));
+
+          value_str = g_strdup (enum_value->value_name);
+        }
+      else
+        {
+          value_str = g_strdup_value_contents (&value);
+        }
+
+      for (; spacing >= 0; spacing --)
+        printf (" ");
+
+      printf ("%s: %s\n", prop->name, value_str);
+
+      g_free (value_str);
+      g_value_unset (&value);
+    }
+
+  g_free (props);
+
+  return 0;
+}