textbox.cpp

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//
// $Id: textbox.cpp 2 2008-03-01 20:58:50Z kulibali $
//
// Copyright (c) 2008, The Periapsis Project. All rights reserved. 
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#include "framework/textbox.hpp"
#include "platform/font.hpp"

#include "platform/lowlevel.hpp"


namespace gsgl
{

    using namespace data;
    using namespace platform;

    namespace framework
    {


        textbox::textbox(widget *parent, 
                         int x, int y, int w, int h, 
                         const color & fg, const color & bg, 
                         const string & font_face, const int font_size, 
                         text_align align, gsgl::flags_t text_flags)
            : widget(parent, x, y, w, h, fg, bg), text_font(new font(font_face, font_size, fg)), align(align), text_flags(text_flags)
        {
            //LOG_BASIC(L"ui: creating text box");
        } // textbox::textbox()


        textbox::~textbox()
        {
            //LOG_BASIC(L"ui: destroying text box");
            delete text_font;
        } // texbox::~textbox()


        static void get_lines(const int width, const string & text, font *text_font, list<string> & lines, int & max_w)
        {

        } // get_lines()


        void textbox::draw()
        {
            if ((get_flags() & WIDGET_INACTIVE) == 0)
                widget::draw();

            // get lines
            int text_width = static_cast<int>(text_font->calc_width(text));
            int y = 1;
            int x;

            switch (align)
            {
            case ALIGN_LEFT:
                x = 1;
                break;
            case ALIGN_RIGHT:
                x = (get_w() - text_width) - 1;
                break;
            case ALIGN_CENTER:
                x = get_w()/2 - text_width/2;
                break;
            case ALIGN_JUSTIFY:
                throw internal_exception(__FILE__, __LINE__, L"ALIGN_JUSTIFY not implemented.");
                break;
            }

            glMatrixMode(GL_MODELVIEW);
            glPushMatrix();

            glTranslatef(static_cast<GLfloat>(x), static_cast<GLfloat>(y), 0);
            text_font->draw(text);

            glMatrixMode(GL_MODELVIEW);
            glPopMatrix();
        } // textbox::draw()


    } // namespace framework

} // namespace gsgl

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