Mercurial > molko
annotate libmlk-ui/mlk/ui/label.c @ 497:8d5a266a1774
ui: ui -> mlk_ui
author | David Demelier <markand@malikania.fr> |
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date | Tue, 28 Feb 2023 13:42:24 +0100 |
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1 /* |
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2 * label.c -- GUI label |
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3 * |
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4 * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #include <assert.h> |
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20 #include <string.h> |
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21 |
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22 #include <mlk/core/font.h> |
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23 #include <mlk/core/panic.h> |
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24 #include <mlk/core/texture.h> |
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25 |
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26 #include "label.h" |
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27 #include "theme.h" |
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28 |
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29 void |
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30 mlk_label_draw_default(const struct mlk_theme *t, const struct mlk_label *label) |
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31 { |
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32 assert(t); |
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33 assert(label); |
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34 |
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35 struct mlk_font *font; |
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36 struct mlk_texture tex; |
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37 unsigned long color; |
486 | 38 int err; |
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39 |
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40 font = label->flags & MLK_LABEL_FLAGS_IMPORTANT |
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41 ? t->fonts[MLK_THEME_FONT_IMPORTANT] |
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42 : t->fonts[MLK_THEME_FONT_INTERFACE]; |
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43 color = label->flags & MLK_LABEL_FLAGS_SELECTED |
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44 ? t->colors[MLK_THEME_COLOR_SELECTED] |
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45 : t->colors[MLK_THEME_COLOR_NORMAL]; |
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46 |
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47 /* Shadow text, only if enabled. */ |
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48 if (label->flags & MLK_LABEL_FLAGS_SHADOW) { |
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49 if ((err = mlk_font_render(font, &tex, label->text, t->colors[MLK_THEME_COLOR_SHADOW])) < 0) |
486 | 50 mlk_panic(err); |
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51 |
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52 mlk_texture_draw(&tex, label->x + 1, label->y + 1); |
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53 mlk_texture_finish(&tex); |
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54 } |
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55 |
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56 /* Normal text. */ |
486 | 57 if ((err = mlk_font_render(font, &tex, label->text, color)) < 0) |
58 mlk_panic(err); | |
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59 |
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60 mlk_texture_draw(&tex, label->x, label->y); |
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61 mlk_texture_finish(&tex); |
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62 } |
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63 |
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64 int |
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65 mlk_label_ok(const struct mlk_label *label) |
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66 { |
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67 return label && label->text && strlen(label->text) > 0; |
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68 } |
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69 |
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70 void |
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71 mlk_label_query(const struct mlk_label *label, unsigned int *w, unsigned int *h) |
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72 { |
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73 assert(label); |
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74 assert(label->text); |
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75 |
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76 const struct mlk_theme *t = label->theme ? label->theme : mlk_theme_default(); |
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77 const struct mlk_font *f = label->flags & MLK_LABEL_FLAGS_IMPORTANT |
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78 ? t->fonts[MLK_THEME_FONT_IMPORTANT] |
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79 : t->fonts[MLK_THEME_FONT_INTERFACE]; |
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81 |
486 | 82 if ((err = mlk_font_query(f, label->text, w, h)) < 0) |
83 mlk_panic(err); | |
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84 } |
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85 |
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86 void |
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87 mlk_label_draw(const struct mlk_label *label) |
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88 { |
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89 assert(label); |
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90 assert(label->text); |
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91 |
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92 mlk_theme_draw_label(label->theme, label); |
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93 } |