theme.c - ltkx - GUI toolkit for X11 (old)
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theme.c (2540B)
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1 /*
2 * This file is part of the Lumidify ToolKit (LTK)
3 * Copyright (c) 2016, 2017 Lumidify Productions <lumidify@openmailbox.org>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #include "theme.h"
25
26 LtkTheme *ltk_load_theme(const char *path)
27 {
28 char *file_contents = ltk_read_file(path);
29
30 cJSON *json = cJSON_Parse(file_contents);
31 if (!json)
32 {
33 printf("Theme error before: [%s]\n", cJSON_GetErrorPtr());
34 return NULL;
35 }
36 cJSON *button_json = cJSON_GetObjectItem(json, "button");
37 if (!button_json)
38 {
39 printf("Theme error before: [%s]\n", cJSON_GetErrorPtr());
40 return NULL;
41 }
42 cJSON *window_json = cJSON_GetObjectItem(json, "window");
43 if (!window_json)
44 {
45 printf("Theme error before: [%s]\n", cJSON_GetErrorPtr());
46 return NULL;
47 }
48
49 LtkTheme *theme = malloc(sizeof(LtkTheme));
50 theme->button = ltk_parse_button_theme(button_json);
51 theme->window = ltk_parse_window_theme(window_json);
52
53 free(file_contents);
54 cJSON_Delete(json);
55
56 return theme;
57 }
58
59 void ltk_destroy_theme(LtkTheme *theme)
60 {
61 free(theme->button);
62 free(theme->window);
63 free(theme);
64 }
65
66 char *ltk_read_file(const char *path)
67 {
68 FILE *f;
69 long len;
70 char *file_contents;
71 f = fopen(path, "rb");
72 fseek(f, 0, SEEK_END);
73 len = ftell(f);
74 fseek(f, 0, SEEK_SET);
75 file_contents = malloc(len + 1);
76 fread(file_contents, 1, len, f);
77 file_contents[len] = '\0';
78 fclose(f);
79
80 return file_contents;
81