Text_button.cc

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/*
Copyright (C) 2001 The Exult Team

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.
*/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "Text_button.h"
#include "gamewin.h"
#include "font.h"
#include "iwin8.h"
#include "Gump.h"

#define TB_FONTNUM      2

// Palette Indices
#define TB_OUTER_BORDER     133
#define TB_OUTER_BORDER_CORNER    142
#define TB_OUTER_BORDER_PUSHED_TOP  144
#define TB_OUTER_BORDER_PUSHED_LEFT 140

#define TB_INNER_BORDER_HIGHLIGHT 138
#define TB_INNER_BORDER_LOWLIGHT  142
#define TB_INNER_BORDER_CORNER    141
#define TB_INNER_BORDER_TR_HIGH   137
#define TB_INNER_BORDER_TR_CORNER 138
#define TB_INNER_BORDER_BL_CORNER 144

#define TB_BACKGROUND     140
#define TB_RT_HIGHLIGHT     139

Text_button::Text_button(Gump *p, const std::string &str, int x, int y, int w, int h)
  : Gump_button(p, 0, x, y, SF_OTHER), text(str), width(w), height(h)
{
  init();
}

void Text_button::init()
{
  // Must be at least 11 units high
  if (height < 11) height = 11;

  // Text y is based on gump height of 11
  text_y = 2 + (height - 11)/2;

  // We will get the text width
  int text_width = sman->get_font(TB_FONTNUM)->get_text_width(
                text.c_str());

  if (width < text_width + 4) width = text_width + 4;

  // We want to find the starting point for the text (horizontal)
  text_x = (width - text_width) >> 1;
}

void Text_button::paint()
{
  Image_window8 *iwin = gwin->get_win();

  int offset = 0;
  int px = x;
  int py = y;

  if (parent)
  {
    px += parent->get_x();
    py += parent->get_y();
  }

  // The the push dependant edges
  if (pushed)
  {
    // Top left corner
    iwin->fill8(TB_OUTER_BORDER_CORNER, 1, 1, px, py);
    // Bottom left corner
    iwin->fill8(TB_OUTER_BORDER_CORNER, 1, 1, px, py+height-1);
    // Top right corner
    iwin->fill8(TB_OUTER_BORDER_CORNER, 1, 1, px+width-1, py);
    // Top edge
    iwin->fill8(TB_OUTER_BORDER_PUSHED_TOP, width-2, 1, px+1, py);
    // Left edge
    iwin->fill8(TB_OUTER_BORDER_PUSHED_TOP, 1, height-2, px, py+1);

    offset = 1;
  }
  else
  {
    // Bottom right corner
    iwin->fill8(TB_OUTER_BORDER_CORNER, 1, 1, px+width-1, py+height-1);
    // Bottom left corner
    iwin->fill8(TB_OUTER_BORDER_CORNER, 1, 1, px, py+height-1);
    // Top right corner
    iwin->fill8(TB_OUTER_BORDER_CORNER, 1, 1, px+width-1, py+height-1);
    // Bottom edge
    iwin->fill8(TB_OUTER_BORDER, width-2, 1, px+1, py+height-1);
    // Right edge
    iwin->fill8(TB_OUTER_BORDER, 1, height-2, px+width-1, py+1);
  }

  // 'Outer' Top and Left Edges

  // Top left corner
  iwin->fill8(TB_OUTER_BORDER_CORNER, 1, 1, px+offset, py+offset);
  // Top edge
  iwin->fill8(TB_OUTER_BORDER, width-2, 1, px+1+offset, py+offset);
  // Left edge
  iwin->fill8(TB_OUTER_BORDER, 1, height-2, px+offset, py+1+offset);
  
  // 'Inner' Edges

  // Top left corner
  iwin->fill8(TB_INNER_BORDER_CORNER, 1, 1, px+offset+1, py+offset+1);
  // Top Right corner
  iwin->fill8(TB_INNER_BORDER_TR_CORNER, 1, 1, px+width+offset-2, py+offset+1);
  // Top Right Highlight 1
  iwin->fill8(TB_INNER_BORDER_TR_HIGH, 1, 1, px+width+offset-3, py+offset+1);
  // Top Right Highlight 1
  iwin->fill8(TB_INNER_BORDER_TR_HIGH, 1, 1, px+width+offset-2, py+offset+2);
  // Bottom left corner
  iwin->fill8(TB_INNER_BORDER_BL_CORNER, 1, 1, px+offset+1, py+height+offset-2);

  // Top edge
  iwin->fill8(TB_INNER_BORDER_HIGHLIGHT, width-5, 1, px+2+offset, py+offset+1);
  // Left edge
  iwin->fill8(TB_INNER_BORDER_LOWLIGHT, 1, height-4, px+offset+1, py+2+offset);
  // Right edge
  iwin->fill8(TB_INNER_BORDER_HIGHLIGHT, 1, height-5, px+width+offset-2, py+3+offset);
  // Bottom edge
  iwin->fill8(TB_INNER_BORDER_LOWLIGHT, width-4, 1, px+2+offset, py+height+offset-2);

  // Background Fill 
  iwin->fill8(TB_BACKGROUND, width-4, height-4, px+2+offset, py+2+offset);
  // Top Right Highligh on Background 
  iwin->fill8(TB_RT_HIGHLIGHT, 1, 1, px+width+offset-3, py+offset+2);

  sman->paint_text(TB_FONTNUM, text.c_str(), px+text_x+offset, 
              py+text_y+offset);
}

int Text_button::on_widget(int mx, int my)
{
  int px = x;
  int py = y;

  if (parent)
  {
    px += parent->get_x();
    py += parent->get_y();
  }

  if (mx < px || mx >= px + width) return 0;
  if (my < py || my >= py + height) return 0;
  return 1;
}

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