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