ref: 17a135005a9737b9851155d2758489ad5dc27551
dir: /textscreen/txt_dropdown.h/
//
// Copyright(C) 2005-2014 Simon Howard
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
#ifndef TXT_DROPDOWN_H
#define TXT_DROPDOWN_H
/**
* @file txt_dropdown.h
*
* Dropdown list widget.
*/
/**
* Dropdown list widget.
*
* A dropdown list allows the user to select from a list of values,
* which appears when the list is selected.
*
* When the value of a dropdown list is changed, the "changed" signal
* is emitted.
*/
typedef struct txt_dropdown_list_s txt_dropdown_list_t;
#include "txt_widget.h"
//
// Drop-down list box.
//
struct txt_dropdown_list_s
{
txt_widget_t widget;
int *variable;
const char **values;
int num_values;
};
/**
* Create a new dropdown list widget.
*
* The parameters specify a list of string labels, and a pointer to an
* integer variable. The variable contains the current "value" of the
* list, as an index within the list of labels.
*
* @param variable Pointer to the variable containing the
* list's value.
* @param values Pointer to an array of strings containing
* the labels to use for the list (UTF-8 format).
* @param num_values The number of variables in the list.
*/
txt_dropdown_list_t *TXT_NewDropdownList(int *variable,
const char **values, int num_values);
#endif /* #ifndef TXT_DROPDOWN_H */