pgmaskedit.cpp

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/*
    ParaGUI - crossplatform widgetset
    Copyright (C) 2000,2001,2002  Alexander Pipelka
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    Alexander Pipelka
    pipelka@teleweb.at
 
    Last Update:      $Author: mbickel $
    Update Date:      $Date: 2007-04-13 16:16:03 $
    Source File:      $Source: /home/cvspsrv/cvsroot/games/asc/source/libs/paragui/src/widgets/pgmaskedit.cpp,v $
    CVS/RCS Revision: $Revision: 1.2 $
    Status:           $State: Exp $
*/


#include "pgmaskedit.h"
#include "pgstring.h"

PG_MaskEdit::PG_MaskEdit(PG_Widget* parent, const PG_Rect& r, const std::string& style) : PG_LineEdit(parent, r, style) {
        my_spacer = '_';
}

void PG_MaskEdit::SetText(const std::string& new_text) {
        PG_LineEdit::SetText(my_displaymask);

        // set the displaymask if the string is empty
        if(new_text.empty()) {
                return;
        }

        SetCursorPos(0);

        // merge the text with the displaymask
        for(Uint32 i=0; i<new_text.length(); i++) {
                InsertChar(new_text[i]);
        }
}

void PG_MaskEdit::SetMask(const std::string& mask) {
        my_mask = mask;
        my_displaymask = mask;

        for(Uint32 i=0; i<my_displaymask.size(); i++) {
                if(my_displaymask[i] == '#') {
                        my_displaymask[i] = my_spacer;
                }
        }

        PG_LineEdit::SetText(my_displaymask);
}

const PG_String& PG_MaskEdit::GetMask() {
        return my_mask;
}

void PG_MaskEdit::SetSpacer(const PG_Char& c) {
        my_spacer = c;
}

PG_Char PG_MaskEdit::GetSpacer() {
        return my_spacer;
}

void PG_MaskEdit::InsertChar(const PG_Char& c) {
        /*if (!c)
                return;*/

        // check if we are on a valid position
        while(((Uint32)my_cursorPosition < my_mask.length()) && (my_mask[my_cursorPosition] != '#')) {
                my_cursorPosition++;
        }

        if((Uint32)my_cursorPosition == my_mask.length()) {
                return;
        }

        my_text[my_cursorPosition++] = c;

        while((my_cursorPosition < (int)my_mask.size()) &&
                (my_mask[my_cursorPosition] != '#')) {
                my_cursorPosition++;
        }

        SetCursorPos(my_cursorPosition);

}

void PG_MaskEdit::DeleteChar(Uint16 pos) {
        if(my_mask[pos] == '#') {
                my_text[pos] = my_spacer;
        }
}

bool PG_MaskEdit::eventMouseButtonDown(const SDL_MouseButtonEvent* button) {

        // let the parent first process the event
        if(!PG_LineEdit::eventMouseButtonDown(button)) {
                return false;
        }

        // check the cursorposition and find a valid position
        while((my_text[my_cursorPosition] == my_spacer) || (my_mask[my_cursorPosition] != '#')) {
                my_cursorPosition--;
                if(my_cursorPosition < 0) {
                        break;
                }
        }

        if(my_cursorPosition >= 0) {
                my_cursorPosition++;
        }

        SetCursorPos(my_cursorPosition);

        return true;
}

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