1 files changed, 125 insertions, 0 deletions
diff --git a/lib/widget/group.h b/lib/widget/group.h
new file mode 100644
index 0000000..3155d8f
--- /dev/null
+++ b/lib/widget/group.h
@@ -0,0 +1,125 @@
+/*
+ *  Widget group features module for Midnight Commander
+ */
+
+/** \file group.h
+ *  \brief Header: widget group features module
+ */
+
+#ifndef MC__GROUP_H
+#define MC__GROUP_H
+
+#include "lib/global.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define GROUP(x) ((WGroup *)(x))
+#define CONST_GROUP(x) ((const WGroup *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** typedefs(not structures) ********************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+struct WGroup
+{
+    Widget widget;
+
+    /* Group members */
+    GList *widgets;             /* widgets list */
+    GList *current;             /* Currently active widget */
+
+    gboolean winch_pending;     /* SIGWINCH signal has been got. Resize group after rise */
+    int mouse_status;           /* For the autorepeat status of the mouse */
+};
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void group_init (WGroup * g, const WRect * r, widget_cb_fn callback,
+                 widget_mouse_cb_fn mouse_callback);
+/* Default callback for groups */
+cb_ret_t group_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm,
+                                 void *data);
+cb_ret_t group_default_set_state (Widget * w, widget_state_t state, gboolean enable);
+int group_handle_mouse_event (Widget * w, Gpm_Event * event);
+
+unsigned long group_add_widget_autopos (WGroup * g, void *w, widget_pos_flags_t pos_flags,
+                                        const void *before);
+void group_remove_widget (void *w);
+
+void group_set_current_widget_next (WGroup * g);
+void group_set_current_widget_prev (WGroup * g);
+
+GList *group_get_widget_next_of (GList * w);
+GList *group_get_widget_prev_of (GList * w);
+
+void group_select_next_widget (WGroup * g);
+void group_select_prev_widget (WGroup * g);
+
+void group_select_widget_by_id (const WGroup * g, unsigned long id);
+
+void group_send_broadcast_msg (WGroup * g, widget_msg_t message);
+
+/* --------------------------------------------------------------------------------------------- */
+/*** inline functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Add widget to group before current widget.
+ *
+ * @param g WGroup object
+ * @param w widget to be added
+ *
+ * @return widget ID
+ */
+
+static inline unsigned long
+group_add_widget (WGroup * g, void *w)
+{
+    return group_add_widget_autopos (g, w, WPOS_KEEP_DEFAULT,
+                                     g->current != NULL ? g->current->data : NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Add widget to group before specified widget.
+ *
+ * @param g WGroup object
+ * @param w widget to be added
+ * @param before add @w before this widget
+ *
+ * @return widget ID
+ */
+
+static inline unsigned long
+group_add_widget_before (WGroup * g, void *w, void *before)
+{
+    return group_add_widget_autopos (g, w, WPOS_KEEP_DEFAULT, before);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Select current widget in the Dialog.
+ *
+ * @param h WDialog object
+ */
+
+static inline void
+group_select_current_widget (WGroup * g)
+{
+    if (g->current != NULL)
+        widget_select (WIDGET (g->current->data));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline unsigned long
+group_get_current_widget_id (const WGroup * g)
+{
+    return WIDGET (g->current->data)->id;
+}
+
+#endif /* MC__GROUP_H */