ref: 7ebeefc592a6fb8de0990c350ddf706ca39b2341
dir: /textscreen/txt_button.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_BUTTON_H
#define TXT_BUTTON_H
/**
* @file txt_button.h
*
* Button widget.
*/
/**
* Button widget.
*
* A button is a widget that can be selected to perform some action.
* When a button is pressed, it emits the "pressed" signal.
*/
typedef struct txt_button_s txt_button_t;
#include "txt_widget.h"
struct txt_button_s
{
txt_widget_t widget;
char *label;
};
/**
* Create a new button widget.
*
* @param label The label to use on the new button (UTF-8 format).
* @return Pointer to the new button widget.
*/
txt_button_t *TXT_NewButton(const char *label);
/**
* Create a new button widget, binding the "pressed" signal to a
* specified callback function.
*
* @param label The label to use on the new button (UTF-8 format).
* @param func The callback function to invoke.
* @param user_data User-specified pointer to pass to the callback.
* @return Pointer to the new button widget.
*/
txt_button_t *TXT_NewButton2(const char *label, TxtWidgetSignalFunc func,
void *user_data);
/**
* Change the label used on a button.
*
* @param button The button.
* @param label The new label (UTF-8 format).
*/
void TXT_SetButtonLabel(txt_button_t *button, const char *label);
#endif /* #ifndef TXT_BUTTON_H */