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+/* Emacs style mode select   -*- C++ -*-
+ *-----------------------------------------------------------------------------
+ *
+ *
+ *  PrBoom: a Doom port merged with LxDoom and LSDLDoom
+ *  based on BOOM, a modified and improved DOOM engine
+ *  Copyright (C) 1999 by
+ *  id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
+ *  Copyright (C) 1999-2000 by
+ *  Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
+ *  Copyright 2005, 2006 by
+ *  Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
+ *
+ *  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.
+ *
+ * DESCRIPTION:  none
+ *
+ *-----------------------------------------------------------------------------*/
+
+#ifndef __HULIB__
+#define __HULIB__
+
+// We are referring to patches.
+#include "r_defs.h"
+#include "v_video.h"  //jff 2/16/52 include color range defs
+
+
+/* background and foreground screen numbers
+ * different from other modules. */
+#define BG      1
+#define FG      0
+
+/* font stuff
+ * #define HU_CHARERASE    KEYD_BACKSPACE / not used               / phares
+ */
+
+#define HU_MAXLINES   4
+#define HU_MAXLINELENGTH  80
+#define HU_REFRESHSPACING 8 /*jff 2/26/98 space lines in text refresh widget*/
+/*jff 2/26/98 maximum number of messages allowed in refresh list */
+#define HU_MAXMESSAGES 16
+
+/*
+ * Typedefs of widgets
+ */
+
+/* Text Line widget
+ *  (parent of Scrolling Text and Input Text widgets) */
+typedef struct
+{
+  // left-justified position of scrolling text window
+  int   x;
+  int   y;
+
+  const patchnum_t* f;                    // font
+  int   sc;                             // start character
+  //const char *cr;                       //jff 2/16/52 output color range
+  // Proff - Made this an int again. Needed for OpenGL
+  int   cm;                         //jff 2/16/52 output color range
+
+  // killough 1/23/98: Support multiple lines:
+  #define MAXLINES 25
+
+  int   linelen;
+  char  l[HU_MAXLINELENGTH*MAXLINES+1]; // line of text
+  int   len;                            // current line length
+
+  // whether this line needs to be udpated
+  int   needsupdate;
+
+} hu_textline_t;
+
+
+
+// Scrolling Text window widget
+//  (child of Text Line widget)
+typedef struct
+{
+  hu_textline_t l[HU_MAXLINES]; // text lines to draw
+  int     h;                    // height in lines
+  int     cl;                   // current line number
+
+  // pointer to boolean stating whether to update window
+  boolean*    on;
+  boolean   laston;             // last value of *->on.
+
+} hu_stext_t;
+
+//jff 2/26/98 new widget to display last hud_msg_lines of messages
+// Message refresh window widget
+typedef struct
+{
+  hu_textline_t l[HU_MAXMESSAGES]; // text lines to draw
+  int     nl;                          // height in lines
+  int     nr;                          // total height in rows
+  int     cl;                          // current line number
+
+  int x,y,w,h;                         // window position and size
+  const patchnum_t *bg;                  // patches for background
+
+  // pointer to boolean stating whether to update window
+  boolean*    on;
+  boolean   laston;             // last value of *->on.
+
+} hu_mtext_t;
+
+
+
+// Input Text Line widget
+//  (child of Text Line widget)
+typedef struct
+{
+  hu_textline_t l;    // text line to input on
+
+  // left margin past which I am not to delete characters
+  int     lm;
+
+  // pointer to boolean stating whether to update window
+  boolean*    on;
+  boolean   laston;   // last value of *->on;
+
+} hu_itext_t;
+
+
+//
+// Widget creation, access, and update routines
+//
+
+//
+// textline code
+//
+
+// clear a line of text
+void HUlib_clearTextLine(hu_textline_t *t);
+
+void HUlib_initTextLine
+(
+  hu_textline_t *t,
+  int x,
+  int y,
+  const patchnum_t *f,
+  int sc,
+  int cm    //jff 2/16/98 add color range parameter
+);
+
+// returns success
+boolean HUlib_addCharToTextLine(hu_textline_t *t, char ch);
+
+// draws tline
+void HUlib_drawTextLine(hu_textline_t *l, boolean drawcursor);
+
+// erases text line
+void HUlib_eraseTextLine(hu_textline_t *l);
+
+
+//
+// Scrolling Text window widget routines
+//
+
+// initialize an stext widget
+void HUlib_initSText
+( hu_stext_t* s,
+  int   x,
+  int   y,
+  int   h,
+  const patchnum_t* font,
+  int   startchar,
+  int cm,   //jff 2/16/98 add color range parameter
+  boolean*  on );
+
+// add a text message to an stext widget
+void HUlib_addMessageToSText(hu_stext_t* s, const char* prefix, const char* msg);
+
+// draws stext
+void HUlib_drawSText(hu_stext_t* s);
+
+// erases all stext lines
+void HUlib_eraseSText(hu_stext_t* s);
+
+//jff 2/26/98 message refresh widget
+// initialize refresh text widget
+void HUlib_initMText(hu_mtext_t *m, int x, int y, int w, int h, const patchnum_t* font,
+         int startchar, int cm, const patchnum_t* bgfont, boolean *on);
+
+//jff 2/26/98 message refresh widget
+// add a text message to refresh text widget
+void HUlib_addMessageToMText(hu_mtext_t* m, const char* prefix, const char* msg);
+
+//jff 2/26/98 new routine to display a background on which
+// the list of last hud_msg_lines are displayed
+void HUlib_drawMBg
+( int x,
+  int y,
+  int w,
+  int h,
+  const patchnum_t* bgp
+);
+
+//jff 2/26/98 message refresh widget
+// draws mtext
+void HUlib_drawMText(hu_mtext_t* m);
+
+//jff 4/28/98 erases behind message list
+void HUlib_eraseMText(hu_mtext_t* m);
+
+// Input Text Line widget routines
+void HUlib_initIText
+( hu_itext_t* it,
+  int   x,
+  int   y,
+  const patchnum_t* font,
+  int   startchar,
+  int cm,   //jff 2/16/98 add color range parameter
+  boolean*  on );
+
+// resets line and left margin
+void HUlib_resetIText(hu_itext_t* it);
+
+// left of left-margin
+void HUlib_addPrefixToIText
+( hu_itext_t* it,
+  char*   str );
+
+// whether eaten
+boolean HUlib_keyInIText
+( hu_itext_t* it,
+  unsigned char ch );
+
+void HUlib_drawIText(hu_itext_t* it);
+
+// erases all itext lines
+void HUlib_eraseIText(hu_itext_t* it);
+
+#endif