/*
 * Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
 * Copyright (C) 2004-2023 Kim Woelders
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies of the Software, its documentation and marketing & publicity
 * materials, and acknowledgment shall be given in the documentation, materials
 * and software packages that this Software was used.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#ifndef _TCLASS_H
#define _TCLASS_H

#include "eimage.h"
#include "etypes.h"
#include "list.h"
#include "xwin.h"

#define FONT_TO_RIGHT     0
#define FONT_TO_DOWN      1
#define FONT_TO_UP        2
#define FONT_TO_LEFT      3

#define FONT_TYPE_XFS           2       /* XFontSet        */
#define FONT_TYPE_IFT           3       /* Imlib2/FreeType */
#if USE_XFT
#define FONT_TYPE_XFT           4       /* Xft             */
#endif
#if USE_PANGO
#define FONT_TYPE_PANGO_XFT     5       /* Pango-Xft       */
#endif

typedef struct {
    int             (*Load)(TextState * ts, const char *name);
    void            (*Destroy)(TextState * ts);
    void            (*TextSize)(TextState * ts, const char *text, int len,
                                int *width, int *height, int *ascent);
    void            (*TextFit)(TextState * ts, char **ptext,
                               int *pwidth, int textwidth_limit);
    void            (*TextDraw)(TextState * ts, int x, int y,
                                const char *text, int len);
    int             (*FdcInit)(TextState * ts, Win win, EX_Drawable draw);
    void            (*FdcFini)(TextState * ts);
    void            (*FdcSetDrawable)(TextState * ts, unsigned long draw);
    void            (*FdcSetColor)(TextState * ts, unsigned int color);
} FontOps;

struct _textstate {
    char           *fontname;
    char            type;
    char            need_utf8;
    struct {
        char            mode;
        char            orientation;
        char            effect;
    } style;
    unsigned int    fg_col;
    unsigned int    bg_col;
    void           *fdc;
    const FontOps  *ops;
};

struct _textclass {
    dlist_t         list;
    char           *name;
    struct {
        TextState      *normal;
        TextState      *hilited;
        TextState      *clicked;
        TextState      *disabled;
    } norm         , active, sticky, sticky_active;
    int             justification;
    unsigned int    ref_count;
};

/* tclass.c */
int             TextclassConfigLoad(FILE * fs);
TextClass      *TextclassFind(const char *name, int fallback);
TextClass      *TextclassAlloc(const char *name, int fallback);
void            TextclassFree(TextClass * tc);
int             TextclassGetJustification(TextClass * tc);
void            TextclassSetJustification(TextClass * tc, int just);

/* text.c */
TextState      *TextclassGetTextState(TextClass * tclass, int state,
                                      int active, int sticky);
void            TextstateTextFit(TextState * ts, char **ptext, int *pw,
                                 int textwidth_limit);
void            TextstateTextDraw(TextState * ts, Win win,
                                  EX_Drawable draw, const char *text,
                                  int x, int y, int w, int h,
                                  const EImageBorder * pad,
                                  int justh, int justv);
void            TextSize(TextClass * tclass,
                         int active, int sticky, int state,
                         const char *text, int *width, int *height);
void            TextDraw(TextClass * tclass, Win win, EX_Drawable draw,
                         int active, int sticky, int state,
                         const char *text, int x, int y, int w, int h,
                         int justification);

int             _xft_FdcInit(TextState * ts, Win win, EX_Drawable draw);
void            _xft_FdcFini(TextState * ts);
void            _xft_FdcSetDrawable(TextState * ts, unsigned long draw);
void            _xft_FdcSetColor(TextState * ts, unsigned int color);

#endif                          /* _TCLASS_H */