theme.h - ltk - GUI toolkit for X11 (WIP)
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       ---
       theme.h (2400B)
       ---
            1 /*
            2  * Copyright (c) 2022-2024 lumidify <nobody@lumidify.org>
            3  *
            4  * Permission to use, copy, modify, and/or distribute this software for any
            5  * purpose with or without fee is hereby granted, provided that the above
            6  * copyright notice and this permission notice appear in all copies.
            7  *
            8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
            9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
           10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
           11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
           12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
           13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
           14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
           15  */
           16 
           17 #ifndef LTK_THEME_H
           18 #define LTK_THEME_H
           19 
           20 #include <stddef.h>
           21 #include "color.h"
           22 #include "graphics.h"
           23 
           24 typedef enum {
           25         THEME_STRING,
           26         THEME_COLOR,
           27         THEME_INT,
           28         THEME_BOOL,
           29         THEME_BORDERSIDES,
           30         THEME_SIZE,
           31 } ltk_theme_datatype;
           32 
           33 typedef struct {
           34         char *key;
           35         ltk_theme_datatype type;
           36         /* Note: Bool and int are both integers, but they are
           37            separate just to make it a bit clearer */
           38         union {
           39                 char **str;
           40                 ltk_color **color;
           41                 int *i;
           42                 int *b;
           43                 ltk_border_sides *border;
           44                 ltk_size *size;
           45         } ptr;
           46         /* Note: The default color is also given as a string
           47            because it has to be allocated first (it is only a
           48            different entry in the union in order to make it
           49            a bit clearer) */
           50         union {
           51                 char *str;
           52                 char *color;
           53                 int i;
           54                 int b;
           55                 ltk_border_sides border;
           56                 ltk_size size;
           57         } defaultval;
           58         /* FIXME: min/max doesn't make too much sense for sizes since they
           59            can use different units, but that shouldn't matter for now because
           60            min/max is only used as a sanity check to avoid extreme sizes or
           61            negative sizes where that isn't allowed */
           62         int min, max; /* only for integers or sizes */
           63         int initialized;
           64 } ltk_theme_parseinfo;
           65 
           66 /* Both return 1 on error, 0 on success */
           67 int ltk_theme_handle_value(ltk_renderdata *renderdata, char *debug_name, const char *prop, const char *value, ltk_theme_parseinfo *parseinfo, size_t len, int *sorted);
           68 int ltk_theme_fill_defaults(ltk_renderdata *renderdata, char *debug_name, ltk_theme_parseinfo *parseinfo, size_t len);
           69 void ltk_theme_uninitialize(ltk_renderdata *renderdata, ltk_theme_parseinfo *parseinfo, size_t len);
           70 
           71 #endif /* LTK_THEME_H */