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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright(C) 2006 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.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
#include <stdlib.h>
#include <string.h>
#include "doomkeys.h"
#include "txt_radiobutton.h"
#include "txt_io.h"
#include "txt_main.h"
#include "txt_window.h"
static void TXT_RadioButtonSizeCalc(TXT_UNCAST_ARG(radiobutton))
{
TXT_CAST_ARG(txt_radiobutton_t, radiobutton);
// Minimum width is the string length + two spaces for padding
radiobutton->widget.w = strlen(radiobutton->label) + 6;
radiobutton->widget.h = 1;
}
static void TXT_RadioButtonDrawer(TXT_UNCAST_ARG(radiobutton), int selected)
{
TXT_CAST_ARG(txt_radiobutton_t, radiobutton);
int i;
int w;
w = radiobutton->widget.w;
TXT_BGColor(TXT_COLOR_BLUE, 0);
TXT_FGColor(TXT_COLOR_BRIGHT_CYAN);
TXT_DrawString(" (");
TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
if (*radiobutton->variable == radiobutton->value)
{
TXT_DrawString("\x07");
}
else
{
TXT_DrawString(" ");
}
TXT_FGColor(TXT_COLOR_BRIGHT_CYAN);
TXT_DrawString(") ");
if (selected)
{
TXT_BGColor(TXT_COLOR_GREY, 0);
}
TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
TXT_DrawString(radiobutton->label);
for (i=strlen(radiobutton->label); i < w-6; ++i)
{
TXT_DrawString(" ");
}
}
static void TXT_RadioButtonDestructor(TXT_UNCAST_ARG(radiobutton))
{
TXT_CAST_ARG(txt_radiobutton_t, radiobutton);
free(radiobutton->label);
}
static int TXT_RadioButtonKeyPress(TXT_UNCAST_ARG(radiobutton), int key)
{
TXT_CAST_ARG(txt_radiobutton_t, radiobutton);
if (key == KEY_ENTER || key == ' ')
{
if (*radiobutton->variable != radiobutton->value)
{
*radiobutton->variable = radiobutton->value;
TXT_EmitSignal(radiobutton, "selected");
}
return 1;
}
return 0;
}
static void TXT_RadioButtonMousePress(TXT_UNCAST_ARG(radiobutton),
int x, int y, int b)
{
TXT_CAST_ARG(txt_radiobutton_t, radiobutton);
if (b == TXT_MOUSE_LEFT)
{
// Equivalent to pressing enter
TXT_RadioButtonKeyPress(radiobutton, KEY_ENTER);
}
}
txt_widget_class_t txt_radiobutton_class =
{
TXT_RadioButtonSizeCalc,
TXT_RadioButtonDrawer,
TXT_RadioButtonKeyPress,
TXT_RadioButtonDestructor,
TXT_RadioButtonMousePress,
};
txt_radiobutton_t *TXT_NewRadioButton(char *label, int *variable, int value)
{
txt_radiobutton_t *radiobutton;
radiobutton = malloc(sizeof(txt_radiobutton_t));
TXT_InitWidget(radiobutton, &txt_radiobutton_class);
radiobutton->label = strdup(label);
radiobutton->variable = variable;
radiobutton->value = value;
return radiobutton;
}
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