* start working on some mu-based widgets (widgets/), create toys2/mug2 for testing

toys/mug2/mug-query-bar.h

@@ -0,0 +1,49 @@
+/* mug-query-bar.h */
+/* insert (c)/licensing information) */
+
+#ifndef __MUG_QUERY_BAR_H__
+#define __MUG_QUERY_BAR_H__
+
+#include <gtk/gtk.h>
+/* other include files */
+
+G_BEGIN_DECLS
+/* convenience macros */
+#define MUG_TYPE_QUERY_BAR             (mug_query_bar_get_type())
+#define MUG_QUERY_BAR(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj),MUG_TYPE_QUERY_BAR,MugQueryBar))
+#define MUG_QUERY_BAR_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass),MUG_TYPE_QUERY_BAR,MugQueryBarClass))
+#define MUG_IS_QUERY_BAR(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj),MUG_TYPE_QUERY_BAR))
+#define MUG_IS_QUERY_BAR_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass),MUG_TYPE_QUERY_BAR))
+#define MUG_QUERY_BAR_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj),MUG_TYPE_QUERY_BAR,MugQueryBarClass))
+typedef struct _MugQueryBar MugQueryBar;
+typedef struct _MugQueryBarClass MugQueryBarClass;
+
+struct _MugQueryBar {
+	GtkHBox parent;
+	/* insert public members, if any */
+};
+
+struct _MugQueryBarClass {
+	GtkHBoxClass parent_class;
+	/* insert signal callback declarations, e.g. */
+	void (*query_changed) (MugQueryBar * obj, const char *query);
+};
+
+/* member functions */
+GType
+mug_query_bar_get_type (void)
+    G_GNUC_CONST;
+
+/* parameter-less _new function (constructor) */
+/* if this is a kind of GtkWidget, it should probably return at GtkWidget* */
+GtkWidget *
+mug_query_bar_new (void);
+
+void
+mug_query_bar_grab_focus (MugQueryBar * self);
+
+void
+mug_query_bar_set_query (MugQueryBar * self, const char *query, gboolean run);
+
+G_END_DECLS
+#endif				/* __MUG_QUERY_BAR_H__ */