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// Description:
// Get a line of text.
//
// Copyright (C) 2001 Frank Becker
//
// 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
//
#include <ctype.h>
#include <Trace.hpp>
#include <TextInput.hpp>
#include <Input.hpp>
TextInput::TextInput( unsigned int maxLength):
_maxLen(maxLength),
_line(""),
_isOn( false)
{
XTRACE();
}
TextInput::~TextInput()
{
XTRACE();
}
void TextInput::input( const Trigger &trigger, const bool &isDown)
{
XTRACE();
Trigger t = trigger;
if( isDown)
{
switch( trigger.type)
{
case eKeyTrigger:
switch( trigger.data1)
{
case SDLK_ESCAPE:
case SDLK_RETURN:
turnOff();
break;
case SDLK_DELETE:
case SDLK_BACKSPACE:
if( _line.length() > 0)
{
_line.erase( _line.length()-1, 1);
}
break;
default:
break;
}
if( (_line.length() <= _maxLen) &&
(trigger.data1 > SDLK_SPACE) &&
(trigger.data1 <= SDLK_z))
{
char c;
//Accept simple unicode chars. Ie. ASCII
if( (trigger.data3 & ~0xff) == 0)
{
c=(char)(trigger.data3 & 0xff);
}
else
{
//Poor boy's version of ASCII...
c=(char)tolower(trigger.data1);
if( trigger.data2 & KMOD_SHIFT)
{
c = toupper(c);
}
}
_line += c;
}
break;
default:
break;
}
}
}
void TextInput::turnOn( void)
{
XTRACE();
SDL_EnableUNICODE( true);
InputS::instance()->enableInterceptor( this);
_isOn = true;
}
void TextInput::turnOff( void)
{
XTRACE();
InputS::instance()->disableInterceptor();
SDL_EnableUNICODE( false);
//pass escape to previous input handling...
SDL_Event event;
event.type = SDL_KEYDOWN;
event.key.keysym.sym = SDLK_ESCAPE;
SDL_PushEvent( &event);
_isOn = false;
}
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