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annotate libmlk-rpg/mlk/rpg/message.c @ 472:bc5483849614

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core: texture -> mlk_texture
author David Demelier <markand@malikania.fr>
date Mon, 27 Feb 2023 11:24:38 +0100
parents 01f5580e43d1
children 02b16dd49b54
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1 /*
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2 * message.c -- message dialog
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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 <stdlib.h>
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21 #include <string.h>
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22
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23 #include <mlk/core/action.h>
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24 #include <mlk/core/event.h>
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25 #include <mlk/core/font.h>
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26 #include <mlk/core/maths.h>
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27 #include <mlk/core/painter.h>
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28 #include <mlk/core/panic.h>
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29 #include <mlk/core/sprite.h>
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30 #include <mlk/core/trace.h>
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31 #include <mlk/core/util.h>
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32
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33 #include <mlk/ui/align.h>
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34 #include <mlk/ui/frame.h>
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35 #include <mlk/ui/label.h>
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36 #include <mlk/ui/theme.h>
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37
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38 #include "message.h"
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39
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40 #define THEME(msg) (msg->theme ? msg->theme : theme_default())
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41
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42 static void
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43 handle(struct mlk_action *action, const union mlk_event *ev)
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44 {
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45 assert(action);
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46 assert(ev);
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47
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48 message_handle(action->data, ev);
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49 }
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50
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51 static int
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52 update(struct mlk_action *action, unsigned int ticks)
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53 {
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54 assert(action);
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55
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56 return message_update(action->data, ticks);
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57 }
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58
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59 static void
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60 draw(struct mlk_action *action)
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61 {
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62 assert(action);
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63
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64 message_draw(action->data);
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65 }
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66
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67 static void
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68 draw_frame(const struct message *msg)
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69 {
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70 assert(msg);
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71
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72 struct frame frame = {
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73 .w = msg->w,
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74 .h = msg->h,
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75 .theme = msg->theme
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76 };
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77
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78 frame_draw(&frame);
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79 }
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80
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81 static inline unsigned int
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82 min_width(const struct message *msg)
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83 {
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84 assert(msg);
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85
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86 unsigned int maxw = 0, w = 0;
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87
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88 for (size_t i = 0; i < msg->linesz; ++i) {
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89 if (!msg->lines[i])
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90 continue;
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91 if (mlk_font_query(THEME(msg)->fonts[THEME_FONT_INTERFACE], msg->lines[i], &w, NULL) < 0)
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92 mlk_panic();
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93 if (w > maxw)
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94 maxw = w;
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95 }
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96
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97 return (THEME(msg)->padding * 2) + maxw;
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98 }
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99
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100 static inline unsigned int
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101 min_height(const struct message *msg)
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102 {
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103 assert(msg);
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104
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105 const struct theme *th = THEME(msg);
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106 const unsigned int lh = mlk_font_height(th->fonts[THEME_FONT_INTERFACE]);
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107
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108 return (th->padding * 2) + (msg->linesz * lh) + ((msg->linesz - 1) * msg->spacing);
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109 }
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110
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111 static void
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112 draw_lines(const struct message *msg)
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113 {
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114 const struct theme *theme = THEME(msg);
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115 struct label label;
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116 unsigned int lw, lh;
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117
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118 for (size_t i = 0; i < msg->linesz; ++i) {
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119 if (!msg->lines[i])
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120 continue;
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121 if (mlk_font_query(theme->fonts[THEME_FONT_INTERFACE], msg->lines[i], &lw, &lh) < 0)
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122 mlk_panic();
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123
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124 label.theme = theme;
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125 label.x = theme->padding;
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126 label.y = theme->padding + (i * (lh + msg->spacing));
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127 label.text = msg->lines[i];
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128 label.flags = LABEL_FLAGS_SHADOW;
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129
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130 if (label.x + lw > msg->w)
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131 tracef("message width too small: %u < %u", msg->w, min_width(msg));
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132 if (label.y + lh > msg->h)
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133 tracef("message height too small: %u < %u", msg->h, min_height(msg));
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134
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135 /*
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136 * The function label_draw will use THEME_COLOR_NORMAL to draw
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137 * text and THEME_COLOR_SHADOW so if we have selected a line
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138 * we need to cheat the normal color.
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139 */
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140 if (msg->flags & MESSAGE_FLAGS_QUESTION && msg->index == (unsigned int)i)
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diff changeset
141 label.flags |= LABEL_FLAGS_SELECTED;
145
7f1af54bb35a core: rework label alignment, closes #2494 @1h
David Demelier <markand@malikania.fr>
parents: 141
diff changeset
142 else
397
73eabfd50410 rpg: do the same for message
David Demelier <markand@malikania.fr>
parents: 391
diff changeset
143 label.flags &= ~(LABEL_FLAGS_SELECTED);
157
fb306ed990f8 ui: make message more flexible, closes #2501
David Demelier <markand@malikania.fr>
parents: 153
diff changeset
144
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
145 label_draw(&label);
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
146 }
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
147 }
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
148
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
149 void
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
150 message_start(struct message *msg)
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
151 {
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
152 assert(msg);
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
153
141
4eeeccf2b732 core: add trace/vtrace functions, closes #2493
David Demelier <markand@malikania.fr>
parents: 140
diff changeset
154 if (msg->flags & (MESSAGE_FLAGS_FADEIN|MESSAGE_FLAGS_FADEOUT))
4eeeccf2b732 core: add trace/vtrace functions, closes #2493
David Demelier <markand@malikania.fr>
parents: 140
diff changeset
155 assert(msg->delay > 0);
4eeeccf2b732 core: add trace/vtrace functions, closes #2493
David Demelier <markand@malikania.fr>
parents: 140
diff changeset
156
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
157 msg->elapsed = 0;
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
158 msg->scale = msg->flags & MESSAGE_FLAGS_FADEIN ? 0.0 : 1.0;
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
159 msg->state = msg->flags & MESSAGE_FLAGS_FADEIN
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
160 ? MESSAGE_STATE_OPENING
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
161 : MESSAGE_STATE_SHOWING;
141
4eeeccf2b732 core: add trace/vtrace functions, closes #2493
David Demelier <markand@malikania.fr>
parents: 140
diff changeset
162
4eeeccf2b732 core: add trace/vtrace functions, closes #2493
David Demelier <markand@malikania.fr>
parents: 140
diff changeset
163 if (msg->flags & MESSAGE_FLAGS_AUTOMATIC && msg->timeout == 0)
411
d74f53299252 make: add basic GNU make support
David Demelier <markand@malikania.fr>
parents: 397
diff changeset
164 tracef("message is automatic but has zero timeout");
64
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
165 }
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
166
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
167 void
159
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
168 message_query(const struct message *msg, unsigned int *w, unsigned int *h)
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
169 {
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
170 assert(msg);
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
171
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
172 if (w)
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
173 *w = min_width(msg);
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
174 if (h)
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
175 *h = min_height(msg);
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
176 }
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
177
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
178 void
450
b26dd49f69ff core: event -> mlk_event (and friends)
David Demelier <markand@malikania.fr>
parents: 445
diff changeset
179 message_handle(struct message *msg, const union mlk_event *ev)
64
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
180 {
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
181 assert(msg);
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
182 assert(ev);
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
183
100
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
184 /* Skip if the message animation hasn't complete. */
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
185 if (msg->state != MESSAGE_STATE_SHOWING)
100
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
186 return;
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
187
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
188 /* Only keyboard event are valid. */
450
b26dd49f69ff core: event -> mlk_event (and friends)
David Demelier <markand@malikania.fr>
parents: 445
diff changeset
189 if (ev->type != MLK_EVENT_KEYDOWN || msg->state == MESSAGE_STATE_NONE)
64
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
190 return;
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
191
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
192 switch (ev->key.key) {
450
b26dd49f69ff core: event -> mlk_event (and friends)
David Demelier <markand@malikania.fr>
parents: 445
diff changeset
193 case MLK_KEY_UP:
64
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
194 if (msg->index > 0)
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
195 msg->index--;
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
196 break;
450
b26dd49f69ff core: event -> mlk_event (and friends)
David Demelier <markand@malikania.fr>
parents: 445
diff changeset
197 case MLK_KEY_DOWN:
391
9334b420c975 rpg: don't use fixed size messages
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
198 if (msg->index + 1 < msg->linesz && msg->lines[msg->index + 1])
64
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
199 msg->index++;
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
200 break;
450
b26dd49f69ff core: event -> mlk_event (and friends)
David Demelier <markand@malikania.fr>
parents: 445
diff changeset
201 case MLK_KEY_ENTER:
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
202 msg->state = msg->flags & MESSAGE_FLAGS_FADEOUT
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
203 ? MESSAGE_STATE_HIDING
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
204 : MESSAGE_STATE_NONE;
64
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
205 msg->elapsed = 0;
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
206 break;
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
207 default:
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
208 break;
da9b7462ab92 core: implement question, closes #2464 @2h
David Demelier <markand@malikania.fr>
parents: 62
diff changeset
209 }
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
210 }
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
211
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
212 int
46
b815621df3e3 core: remove all fixed width integers, closes #2460
David Demelier <markand@malikania.fr>
parents: 28
diff changeset
213 message_update(struct message *msg, unsigned int ticks)
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
214 {
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
215 assert(msg);
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
216
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
217 msg->elapsed += ticks;
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
218
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
219 switch (msg->state) {
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
220 case MESSAGE_STATE_OPENING:
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
221 msg->scale = (double)msg->elapsed / (double)msg->delay;
100
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
222
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
223 if (msg->scale > 1)
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
224 msg->scale = 1;
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
225
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
226 if (msg->elapsed >= msg->delay) {
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
227 msg->state = MESSAGE_STATE_SHOWING;
62
d07acc6ee4d9 core: improve message
David Demelier <markand@malikania.fr>
parents: 60
diff changeset
228 msg->elapsed = 0;
d07acc6ee4d9 core: improve message
David Demelier <markand@malikania.fr>
parents: 60
diff changeset
229 }
d07acc6ee4d9 core: improve message
David Demelier <markand@malikania.fr>
parents: 60
diff changeset
230
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
231 break;
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
232 case MESSAGE_STATE_SHOWING:
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
233 /* Do automatically switch state if requested by the user. */
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
234 if (msg->flags & MESSAGE_FLAGS_AUTOMATIC && msg->elapsed >= msg->timeout) {
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
235 msg->state = msg->flags & MESSAGE_FLAGS_FADEOUT
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
236 ? MESSAGE_STATE_HIDING
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
237 : MESSAGE_STATE_NONE;
62
d07acc6ee4d9 core: improve message
David Demelier <markand@malikania.fr>
parents: 60
diff changeset
238 msg->elapsed = 0;
d07acc6ee4d9 core: improve message
David Demelier <markand@malikania.fr>
parents: 60
diff changeset
239 }
d07acc6ee4d9 core: improve message
David Demelier <markand@malikania.fr>
parents: 60
diff changeset
240
d07acc6ee4d9 core: improve message
David Demelier <markand@malikania.fr>
parents: 60
diff changeset
241 break;
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
242 case MESSAGE_STATE_HIDING:
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
243 msg->scale = 1 - (double)msg->elapsed / (double)msg->delay;
100
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
244
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
245 if (msg->scale < 0)
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
246 msg->scale = 0;
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
247 if (msg->elapsed >= msg->delay) {
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
248 msg->state = MESSAGE_STATE_NONE;
62
d07acc6ee4d9 core: improve message
David Demelier <markand@malikania.fr>
parents: 60
diff changeset
249 msg->elapsed = 0;
d07acc6ee4d9 core: improve message
David Demelier <markand@malikania.fr>
parents: 60
diff changeset
250 }
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
251
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
252 break;
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
253 default:
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
254 break;
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
255 }
60
7266c750b649 core: simplify message
David Demelier <markand@malikania.fr>
parents: 59
diff changeset
256
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
257 return msg->state == MESSAGE_STATE_NONE;
99
4ac71ac10c9f core: start adding some UI elements
David Demelier <markand@malikania.fr>
parents: 97
diff changeset
258 }
4ac71ac10c9f core: start adding some UI elements
David Demelier <markand@malikania.fr>
parents: 97
diff changeset
259
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
260 void
174
6992085d47fd ui: major theme overhaul, closes #2509 @1h
David Demelier <markand@malikania.fr>
parents: 168
diff changeset
261 message_draw(const struct message *msg)
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
262 {
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
263 assert(msg);
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
264
472
bc5483849614 core: texture -> mlk_texture
David Demelier <markand@malikania.fr>
parents: 465
diff changeset
265 struct mlk_texture tex;
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
266 int x, y;
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
267 unsigned int w, h;
100
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
268
159
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
269 if (msg->w == 0 || msg->h == 0) {
411
d74f53299252 make: add basic GNU make support
David Demelier <markand@malikania.fr>
parents: 397
diff changeset
270 tracef("message has null dimensions");
159
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
271 return;
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
272 }
e05a792f6910 ui: make message less clever and provide spacing field
David Demelier <markand@malikania.fr>
parents: 158
diff changeset
273
472
bc5483849614 core: texture -> mlk_texture
David Demelier <markand@malikania.fr>
parents: 465
diff changeset
274 if (mlk_texture_new(&tex, msg->w, msg->h) < 0)
465
01f5580e43d1 core: panic -> mlk_panic
David Demelier <markand@malikania.fr>
parents: 457
diff changeset
275 mlk_panic();
100
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
276
457
04797b35565c core: painter -> mlk_painter
David Demelier <markand@malikania.fr>
parents: 451
diff changeset
277 MLK_PAINTER_BEGIN(&tex);
100
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
278 draw_frame(msg);
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
279 draw_lines(msg);
457
04797b35565c core: painter -> mlk_painter
David Demelier <markand@malikania.fr>
parents: 451
diff changeset
280 MLK_PAINTER_END();
100
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
281
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
282 /* Compute scaling. */
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
283 w = msg->w * msg->scale;
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
284 h = msg->h * msg->scale;
100
ef9135c34505 message: improve rendering and add example
David Demelier <markand@malikania.fr>
parents: 99
diff changeset
285
140
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
286 /* Centerize within its drawing area. */
150
9733d379be89 ui: add a standalone align() function
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
287 align(ALIGN_CENTER, &x, &y, w, h, msg->x, msg->y, msg->w, msg->h);
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288
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289 /* Draw and clear. */
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290 mlk_texture_scale(&tex, 0, 0, msg->w, msg->h, x, y, w, h, 0);
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291 mlk_texture_finish(&tex);
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292 }
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293
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294 void
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295 message_hide(struct message *msg)
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296 {
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297 assert(msg);
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298
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299 msg->state = MESSAGE_STATE_HIDING;
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300 msg->elapsed = 0;
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301 }
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d07acc6ee4d9 core: improve message
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302
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303 void
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304 message_action(struct message *msg, struct mlk_action *action)
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305 {
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306 assert(msg);
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307 assert(action);
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308
441
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309 memset(action, 0, sizeof (struct mlk_action));
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310 action->data = msg;
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311 action->handle = handle;
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312 action->update = update;
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313 action->draw = draw;
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314
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315 message_start(msg);
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316 }