gp_widget_overlay.h

//SPDX-License-Identifier: LGPL-2.0-or-later
/*
 
   Copyright (c) 2014-2020 Cyril Hrubis <metan@ucw.cz>
 
 */
 
#ifndef GP_WIDGET_OVERLAY_H
#define GP_WIDGET_OVERLAY_H
 
/*
 * Overlay widget is a widget that allows widgets to be stack on the top of
 * each other. The main use for this widget are all kinds of floating
 * menus/dialogs etc.
 */
 
struct gp_widget_overlay_elem {
        int hidden:1;
        gp_widget *widget;
};
 
struct gp_widget_overlay {
        int focused;
        struct gp_widget_overlay_elem *stack;
};
 
gp_widget *gp_widget_overlay_new(unsigned int stack_size);
 
void gp_widget_overlay_hide(gp_widget *self, unsigned int stack_pos);
 
void gp_widget_overlay_show(gp_widget *self, unsigned int stack_pos);
 
unsigned int gp_widget_overlay_stack_size(gp_widget *self);
 
int gp_widget_overlay_stack_pos_by_child(gp_widget *self, gp_widget *child,
                                         unsigned int *stack_pos);
 
gp_widget *gp_widget_overlay_put(gp_widget *self, unsigned int stack_pos,
                                 gp_widget *child);
 
#endif /* GP_WIDGET_OVERLAY_H */