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 * $Id: interface.h,v 1.24 2004/10/14 14:20:24 ton Exp $
 * 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. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * 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.
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 * The Original Code is: all of this file.
 * Contributor(s): none yet.


#include "BIF_resources.h"

/* general defines */

#define UI_MAX_DRAW_STR 400
#define UI_MAX_NAME_STR 64
#define UI_ARRAY  29

/* uiBut->flag */
#define UI_SELECT       1
#define UI_MOUSE_OVER   2
#define UI_ACTIVE       4
#define UI_HAS_ICON           8
/* warn: rest of uiBut->flag in BIF_interface.c */

/* internal panel drawing defines */
#define PNL_GRID  4
#define PNL_DIST  8
#define PNL_SAFETY      8
#define PNL_HEADER  20

/* panel->flag */
#define PNL_SELECT      1
#define PNL_CLOSEDX     2
#define PNL_CLOSEDY     4
#define PNL_CLOSED      6
#define PNL_TABBED      8
#define PNL_OVERLAP     16

typedef struct {
      short xim, yim;
      unsigned int *rect;
      short xofs, yofs;
} uiIconImage;

typedef struct {
      short mval[2];
      short qual, val;
      int event;
} uiEvent;

typedef struct {
      void *xl, *large, *medium, *small;
} uiFont;

typedef struct uiLinkLine uiLinkLine;
struct uiLinkLine {                       /* only for draw/edit */
      uiLinkLine *next, *prev;

      short flag, pad;
      uiBut *from, *to; 

typedef struct {
      void **poin;            /* pointer to original pointer */
      void ***ppoin;          /* pointer to original pointer-array */
      short *totlink;         /* if pointer-array, here is the total */
      short maxlink, pad;
      short fromcode, tocode;
      ListBase lines;
} uiLink;

struct uiBut {
      uiBut *next, *prev;
      short type, pointype, bit, bitnr, retval, strwidth, ofs, pos;
      int flag;
      char *str;
      char strdata[UI_MAX_NAME_STR];
      char drawstr[UI_MAX_DRAW_STR];
      float x1, y1, x2, y2;

      char *poin;
      float min, max;
      float a1, a2, hsv[3];   // hsv is temp memory for hsv buttons
      float aspect;

      void (*func)(void *, void *);
      void *func_arg1;
      void *func_arg2;

      void (*embossfunc)(int , int , float, float, float, float, float, int);
      void (*sliderfunc)(int , float, float, float, float, float, float, int);

      uiLink *link;
      char *tip, *lockstr;

      int themecol;     /* themecolor id */
      void *font;

      BIFIconID icon;
      short but_align;  /* aligning buttons, horiz/vertical */
      short lock, win;
      short iconadd, dt;

            /* IDPOIN data */
      uiIDPoinFuncFP idpoin_func;
      ID **idpoin_idpp;

            /* BLOCK data */
      uiBlockFuncFP block_func;

            /* BUTM data */
      void (*butm_func)(void *arg, int event);
      void *butm_func_arg;
            /* pointer back */
      uiBlock *block;

struct uiBlock {
      uiBlock *next, *prev;
      ListBase buttons;
      Panel *panel;
      char name[UI_MAX_NAME_STR];
      float winmat[4][4];
      float minx, miny, maxx, maxy;
      float aspect;

      void (*butm_func)(void *arg, int event);
      void *butm_func_arg;

      void (*func)(void *arg1, void *arg2);
      void *func_arg1;
      void *func_arg2;
      /* extra draw function for custom blocks */
      void (*drawextra)();

      int themecol;     /* themecolor id */
      short font; /* indices */
      int afterval, flag;
      void *curfont;
      short autofill, win, winq, direction, dt;
      short needflush, auto_open, in_use, pad;  //flush see below
      void *overdraw;
      float xofs, yofs;       // offset to parent button
      rctf parentrct;         // for pulldowns, rect the mouse is allowed outside of menu (parent button)
      rctf safety;            // pulldowns, to detect outside, can differ per case how it is created

      rctf flush;             // rect to be flushed to frontbuffer
      int handler;            // for panels in other windows than buttonswin... just event code

/* interface.c */

extern void ui_graphics_to_window(int win, float *x, float *y);
extern void ui_window_to_graphics(int win, float *x, float *y);

extern void ui_block_flush_back(uiBlock *block);
extern void ui_block_set_flush(uiBlock *block, uiBut *but);

extern void ui_check_but(uiBut *but);
extern double ui_get_but_val(uiBut *but);
extern void ui_get_but_vectorf(uiBut *but, float *vec);
extern void ui_set_but_vectorf(uiBut *but, float *vec);
extern void ui_autofill(uiBlock *block);

/* interface_panel.c */
extern void ui_draw_panel(uiBlock *block);
extern void ui_do_panel(uiBlock *block, uiEvent *uevent);
extern void gl_round_box(int mode, float minx, float miny, float maxx, float maxy, float rad);
extern void gl_round_box_shade(int mode, float minx, float miny, float maxx, float maxy, float rad, float shadetop, float shadedown);

/* interface_draw.c */
extern void ui_set_embossfunc(uiBut *but, int drawtype);
extern void ui_draw_but(uiBut *but);
extern void ui_rasterpos_safe(float x, float y, float aspect);


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