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annotate libmlk-ui/ui/frame.h @ 292:08ab73b32832

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misc: add extern "C" {} blocks for C++ friends
author David Demelier <markand@malikania.fr>
date Fri, 05 Mar 2021 10:08:09 +0100
parents 71b3b7036de7
children 196264679079
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1 /*
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2 * frame.h -- GUI frame
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3 *
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4 * Copyright (c) 2020 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 #ifndef MOLKO_UI_FRAME_H
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20 #define MOLKO_UI_FRAME_H
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21
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22 /**
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23 * \file frame.h
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24 * \brief GUI frame.
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25 * \ingroup ui
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26 */
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27
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28 #include <core/core.h>
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29
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30 struct action;
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31 struct theme;
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32
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33 /**
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34 * \brief Frame style.
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35 */
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36 enum frame_style {
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37 FRAME_STYLE_NORMAL,
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38 FRAME_STYLE_BOX
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39 };
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40
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41 /**
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42 * \brief GUI frame.
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43 */
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44 struct frame {
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45 int x; /*!< (+) Position in x. */
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46 int y; /*!< (+) Position in y. */
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47 unsigned int w; /*!< (+) Width. */
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48 unsigned int h; /*!< (+) Height. */
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49 enum frame_style style; /*!< (+) Frame style. */
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50 const struct theme *theme; /*!< (+&?) Theme to use. */
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51 };
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52
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53 CORE_BEGIN_DECLS
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54
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55 /**
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56 * Default drawing function.
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57 *
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58 * \pre t != NULL
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59 * \pre frame != NULL
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60 * \param t the theme
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61 * \param frame the frame
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62 */
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63 void
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64 frame_draw_default(const struct theme *t, const struct frame *frame);
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65
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66 /**
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67 * Draw the frame.
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68 *
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69 * \pre frame != NULL
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70 * \param frame the frame to draw
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71 */
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72 void
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73 frame_draw(const struct frame *frame);
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74
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75 /**
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76 * Convert the frame into an action.
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77 *
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78 * The following field will be set into the action:
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79 *
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80 * - act->data: points to frame (reference),
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81 * - act->draw: a wrapper to checkbox_draw.
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82 *
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83 * The frame being an UI element is considered to never completes, as such
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84 * you will need to handle this case or to use a custom update function.
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85 *
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86 * \pre frame != NULL
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87 * \pre act != NULL
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88 * \param frame the frame to reference
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89 * \param act the action to fill
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90 */
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91 void
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92 frame_action(struct frame *frame, struct action *act);
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93
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94 CORE_END_DECLS
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95
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96 #endif /* !MOLKO_UI_FRAME_H */