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/*
* 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 */
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