gp_widget_tabs.h

//SPDX-License-Identifier: LGPL-2.0-or-later
 
/*
 
   Copyright (c) 2014-2021 Cyril Hrubis <metan@ucw.cz>
 
 */
 
#ifndef GP_WIDGET_TABS_H
#define GP_WIDGET_TABS_H
 
struct gp_widget_tab {
        char *label;
        gp_widget *widget;
};
 
struct gp_widget_tabs {
        unsigned int active_tab;
 
        int title_focused:1;
        int widget_focused:1;
 
        struct gp_widget_tab *tabs;
 
        char payload[];
};
 
enum gp_widget_tabs_event_type {
        GP_WIDGET_TABS_DEACTIVATED, /* A tab is deactivated */
        GP_WIDGET_TABS_ACTIVATED, /* A tab activated */
};
 
gp_widget *gp_widget_tabs_new(unsigned int tabs_cnt, unsigned int active_tab,
                              const char *tab_labels[], int flags);
 
unsigned int gp_widget_tabs_cnt(gp_widget *self);
 
gp_widget *gp_widget_tabs_put(gp_widget *self, unsigned int tab,
                              gp_widget *child);
 
static inline gp_widget *gp_widget_tabs_rem(gp_widget *self, unsigned int tab)
{
        return gp_widget_tabs_put(self, tab, NULL);
}
 
gp_widget *gp_widget_tabs_child_get(gp_widget *self, unsigned int tab);
 
static inline void gp_widget_tabs_del(gp_widget *self, unsigned int tab)
{
        gp_widget *ret = gp_widget_tabs_rem(self, tab);
 
        gp_widget_free(ret);
}
 
void gp_widget_tabs_tab_ins(gp_widget *self, unsigned int tab,
                            const char *label, gp_widget *child);
 
unsigned int gp_widget_tabs_tab_append(gp_widget *self,
                                       const char *label, gp_widget *child);
 
static inline void gp_widget_tabs_tab_prepend(gp_widget *self,
                                              const char *label,
                                              gp_widget *child)
{
        return gp_widget_tabs_tab_ins(self, 0, label, child);
}
 
gp_widget *gp_widget_tabs_tab_rem(gp_widget *self, unsigned int tab);
 
int gp_widget_tabs_tab_rem_by_child(gp_widget *self, gp_widget *child);
 
static inline int gp_widget_tabs_tab_del_by_child(gp_widget *self, gp_widget *child)
{
        if (!gp_widget_tabs_tab_rem_by_child(self, child))
                return 1;
 
        gp_widget_free(child);
 
        return 0;
}
 
static inline void gp_widget_tabs_tab_del(gp_widget *self, unsigned int tab)
{
        gp_widget *ret = gp_widget_tabs_tab_rem(self, tab);
 
        gp_widget_free(ret);
}
 
unsigned int gp_widget_tabs_active_get(gp_widget *self);
 
gp_widget *gp_widget_tabs_active_child_get(gp_widget *self);
 
void gp_widget_tabs_active_set(gp_widget *self, unsigned int tab);
 
void gp_widget_tabs_active_set_rel(gp_widget *self, int dir, int wrap_around);
 
int gp_widget_tabs_tab_by_child(gp_widget *self, gp_widget *child);
 
const char *gp_widget_tabs_label_get(gp_widget *self, unsigned int tab);
 
const char *gp_widget_tabs_active_label_get(gp_widget *self);
 
#endif /* GP_WIDGET_TABS_H */