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/* S-Lang console widgets
*
* (C) Copyright 2004-2008 Denis Rojo <jaromil@dyne.org>
*
* This source code is free software; you can redistribute it and/or
* modify it under the terms of the GNU Public License as published
* by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
* This source code 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.
* Please refer to the GNU Public License for more details.
*
* You should have received a copy of the GNU Public License along with
* this source code; if not, write to:
* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <slw_prompt.h>
SLW_Prompt::SLW_Prompt()
: SLangWidget() {
set_name("prompt");
textconsole = NULL;
}
SLW_Prompt::~SLW_Prompt() {
if(textconsole)
delete textconsole;
}
bool SLW_Prompt::init() {
if(!console) {
fprintf(stderr, "can't initialize widget '%s': not placed on console", name);
return false;
}
// default widget settings
initialized = true;
visible = true;
cursor = false;
can_focus = true;
// create the private structure where to hold text
if(textconsole) delete textconsole;
textconsole = new SLW_TextConsole();
textconsole->widget = this;
textconsole->w = w;
textconsole->h = h;
textconsole->cur_x = 0;
textconsole->cur_y = 0;
refresh();
return true;
}
bool SLW_Prompt::feed(int key) {
switch(key) {
case 0: return false;
default:
textconsole->cur_row->insert_char(key);
textconsole->cur_x++;
}
refresh();
return true;
}
bool SLW_Prompt::refresh() {
Row *r = textconsole->cur_row;
blank_row(1);
putnch(r->text, 0, 0, r->len);
return true;
}
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