textinputdisplay.cpp

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/*
 * Vega Strike
 * Copyright (C) 2003 Mike Byron
 *
 * http://vegastrike.sourceforge.net/
 *
 * 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 "textinputdisplay.h"
#include "lin_time.h"
#include "guidefs.h"
using std::vector;
using std::string;

TextInputDisplay::TextInputDisplay( vector< unsigned int > *keyboard_input_queue, const char *disallowed )
{
    isFocused = false;
    if (keyboard_input_queue)
        this->keyboard_queue = keyboard_input_queue;
    else
        this->keyboard_queue = &local_keyboard_queue;
    passwordChar     = '\0';
    keyboard_input_queue->clear();
    this->disallowed = new char[strlen( disallowed )+1];
    strcpy( this->disallowed, disallowed );
}

bool TextInputDisplay::processMouseDown( const InputEvent &event )
{
    if (event.code != WHEELUP_MOUSE_BUTTON && event.code != WHEELDOWN_MOUSE_BUTTON)
        //If click is on me, set me focused... otherwise, clear my focus.
        this->isFocused = ( hitTest( event.loc ) );
    return StaticDisplay::processMouseDown( event );
}

void TextInputDisplay::processUnfocus( const InputEvent &event )
{
    if (event.code != WHEELUP_MOUSE_BUTTON && event.code != WHEELDOWN_MOUSE_BUTTON)
        //If click is on me, set me focused... otherwise, clear my focus.
        this->isFocused = false;
    StaticDisplay::processUnfocus( event );
}

bool TextInputDisplay::processKeypress( unsigned int c )
{
    return true;
}

void TextInputDisplay::draw()
{
    string text = this->text();
    if (!this->isFocused) {
        if (passwordChar) {
            string text1;
            text1.insert( 0u, text.length(), passwordChar );
            this->setText( text1 );
        }
        this->StaticDisplay::draw();
        if (passwordChar)
            this->setText( text );
        return;
    }
    size_t LN = keyboard_queue->size();
    for (size_t i = 0; i < LN; ++i) {
        unsigned int c = (*keyboard_queue)[i];
        if ( !processKeypress( c ) ) continue;
        if (c == 8 || c == 127) {
            text = text.substr( 0, text.length()-1 );
        } else if (c != '\0' && c < 256) {
            bool allowed = true;
            for (int j = 0; disallowed[j]; ++j)
                if ( c == static_cast<unsigned int>(disallowed[j]) ) {
                    allowed = false;
                    break;
                }
            if (allowed) {
                char tmp[2] = {0, 0};
                tmp[0] = (char) c;
                text  += tmp;
            }
        }
    }
    keyboard_queue->clear();
    unsigned int x = (unsigned int) getNewTime();
    string text1;
    if (passwordChar)
        text1.insert( 0u, text.length(), passwordChar );
    else
        text1 = text;
    if (x%2)
        text1 += "|";
    this->setText( text1 );
    this->StaticDisplay::draw();
    this->setText( text );
}

TextInputDisplay::~TextInputDisplay()
{
    delete[] this->disallowed;
}