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annotate libmlk-rpg/mlk/rpg/message.c @ 646:7e1eb7f6c049 default tip @

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misc: remove .clang
author David Demelier <markand@malikania.fr>
date Sun, 04 Feb 2024 15:24:37 +0100
parents e16808365d42
children
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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/err.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/texture.h>
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31 #include <mlk/core/trace.h>
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32 #include <mlk/core/util.h>
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33
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34 #include <mlk/ui/align.h>
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35 #include <mlk/ui/ui.h>
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36 #include <mlk/ui/ui_p.h>
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37
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38 #include "message.h"
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39
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40 static inline int
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41 is_selectable(const struct mlk_message *msg, size_t n)
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42 {
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43 return msg->lines[n] && ((msg->selectable >> n) & 0x1) == 1;
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44 }
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45
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46 static inline struct mlk_message_style *
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47 get_style(struct mlk_message *msg)
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48 {
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49 return msg->style ? msg->style : mlk_message_style;
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50 }
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51
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52 static inline struct mlk_font *
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53 get_font(struct mlk_message *msg)
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54 {
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55 return MLK__STYLE_FONT(get_style(msg)->font, MLK_UI_FONT_INTERFACE);
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56 }
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57
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58 static unsigned int
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59 min_width(struct mlk_message_style *style, struct mlk_message *msg)
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60 {
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61 struct mlk_font *font;
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62 unsigned int maxw = 0, w = 0;
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63 int err;
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64
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65 font = MLK__STYLE_FONT(style->font, MLK_UI_FONT_INTERFACE);
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66
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67 for (size_t i = 0; i < msg->linesz; ++i) {
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68 if (!msg->lines[i])
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69 continue;
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70 if ((err = mlk_font_query(font, msg->lines[i], &w, NULL)) < 0)
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71 return err;
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72 if (w > maxw)
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73 maxw = w;
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74 }
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75
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76 return (style->padding * 2) + maxw;
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77 }
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78
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79 static unsigned int
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80 min_height(struct mlk_message_style *style, struct mlk_message *msg)
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81 {
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82 assert(msg);
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83
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84 struct mlk_font *font;
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85 unsigned int lh;
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86
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87 font = MLK__STYLE_FONT(style->font, MLK_UI_FONT_INTERFACE);
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88 lh = mlk_font_height(font);
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89
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90 return (style->padding * 2) + (msg->linesz * lh) + ((msg->linesz - 1) * style->padding);
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91 }
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92
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93 static void
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94 draw_frame(struct mlk_message *msg)
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95 {
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96 struct mlk_message_style *style = get_style(msg);
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97
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98 mlk_painter_set_color(style->border);
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99 mlk_painter_draw_rectangle(0, 0, msg->w, msg->h);
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100 mlk_painter_set_color(style->background);
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101 mlk_painter_draw_rectangle(
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102 style->border_size,
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103 style->border_size,
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104 msg->w - (style->border_size * 2),
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105 msg->h - (style->border_size * 2)
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106 );
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107 }
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108
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109 static void
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110 draw_lines(struct mlk_message *msg)
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111 {
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112 struct mlk_message_style *style;
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113 struct mlk_font *font;
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114 struct mlk_texture texture;
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115 unsigned long color;
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116 int x, y;
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117
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118 style = get_style(msg);
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119 font = get_font(msg);
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120
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121 for (size_t i = 0; i < msg->linesz; ++i) {
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122 if (!msg->lines[i])
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123 continue;
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124
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125 if (msg->selectable && msg->selected == i && is_selectable(msg, i))
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126 color = style->color_selected;
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127 else
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128 color = style->color;
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129
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130 if (mlk_font_render(font, &texture, msg->lines[i], color) < 0) {
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131 mlk_tracef("unable to render message text", mlk_err());
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132 continue;
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133 }
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134
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135 x = style->padding;
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136 y = style->padding + (i * (texture.h + style->padding));
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137
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138 if (x + texture.w > msg->w)
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139 mlk_tracef("message width too small: %u < %u", msg->w, min_width(style, msg));
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
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140 if (y + texture.h > msg->h)
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diff changeset
141 mlk_tracef("message height too small: %u < %u", msg->h, min_height(style, msg));
140
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parents: 136
diff changeset
142
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
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diff changeset
143 mlk_texture_draw(&texture, x, y);
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diff changeset
144 mlk_texture_finish(&texture);
140
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parents: 136
diff changeset
145 }
453651d76f7c core: upgrade message in terms of customization
David Demelier <markand@malikania.fr>
parents: 136
diff changeset
146 }
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parents: 136
diff changeset
147
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
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diff changeset
148 static int
622
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diff changeset
149 query(struct mlk_message_style *self,
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diff changeset
150 struct mlk_message *msg,
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diff changeset
151 unsigned int *w,
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152 unsigned int *h)
24
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153 {
159
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diff changeset
154 if (w)
622
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diff changeset
155 *w = min_width(self, msg);
159
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parents: 158
diff changeset
156 if (h)
622
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157 *h = min_height(self, msg);
535
7d6a879901e0 misc: fix
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diff changeset
158
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diff changeset
159 return 0;
159
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diff changeset
160 }
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parents: 158
diff changeset
161
534
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diff changeset
162 static void
622
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163 update(struct mlk_message_style *self,
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164 struct mlk_message *msg,
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165 unsigned int ticks)
64
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166 {
534
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167 (void)self;
64
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diff changeset
168
534
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169 const struct mlk_message_style *style = MLK__STYLE(msg, mlk_message_style);
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170
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171 msg->elapsed += ticks;
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172
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173 switch (msg->state) {
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174 case MLK_MESSAGE_STATE_OPENING:
622
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175 msg->scale = (double)msg->elapsed / (double)style->speed;
100
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176
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177 if (msg->scale > 1)
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178 msg->scale = 1;
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179
622
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180 if (msg->elapsed >= style->speed) {
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181 msg->state = MLK_MESSAGE_STATE_SHOWING;
62
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182 msg->elapsed = 0;
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183 }
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diff changeset
184
24
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185 break;
534
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186 case MLK_MESSAGE_STATE_SHOWING:
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187 /* Do automatically switch state if requested by the user. */
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188 if (msg->flags & MLK_MESSAGE_FLAGS_AUTOMATIC && msg->elapsed >= style->timeout) {
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
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189 msg->state = msg->flags & MLK_MESSAGE_FLAGS_FADEOUT
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190 ? MLK_MESSAGE_STATE_HIDING
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191 : MLK_MESSAGE_STATE_NONE;
62
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diff changeset
192 msg->elapsed = 0;
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193 }
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diff changeset
194
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David Demelier <markand@malikania.fr>
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diff changeset
195 break;
534
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196 case MLK_MESSAGE_STATE_HIDING:
622
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197 msg->scale = 1 - (double)msg->elapsed / (double)style->speed;
100
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diff changeset
198
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diff changeset
199 if (msg->scale < 0)
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diff changeset
200 msg->scale = 0;
622
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201 if (msg->elapsed >= style->speed) {
534
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202 msg->state = MLK_MESSAGE_STATE_NONE;
62
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diff changeset
203 msg->elapsed = 0;
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diff changeset
204 }
24
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205
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206 break;
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207 default:
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208 break;
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209 }
60
7266c750b649 core: simplify message
David Demelier <markand@malikania.fr>
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diff changeset
210
99
4ac71ac10c9f core: start adding some UI elements
David Demelier <markand@malikania.fr>
parents: 97
diff changeset
211 }
4ac71ac10c9f core: start adding some UI elements
David Demelier <markand@malikania.fr>
parents: 97
diff changeset
212
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
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diff changeset
213 static void
622
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214 draw(struct mlk_message_style *self, struct mlk_message *msg)
24
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215 {
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
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216 (void)self;
24
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217
472
bc5483849614 core: texture -> mlk_texture
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diff changeset
218 struct mlk_texture tex;
638
e16808365d42 core: s/mlk_texture_new/mlk_texture_init/g
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219 int x, y;
140
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diff changeset
220 unsigned int w, h;
100
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diff changeset
221
159
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diff changeset
222 if (msg->w == 0 || msg->h == 0) {
473
02b16dd49b54 core: trace -> mlk_trace
David Demelier <markand@malikania.fr>
parents: 472
diff changeset
223 mlk_tracef("message has null dimensions");
159
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diff changeset
224 return;
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parents: 158
diff changeset
225 }
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parents: 158
diff changeset
226
638
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diff changeset
227 if (mlk_texture_init(&tex, msg->w, msg->h) < 0)
547
c7664b679a95 misc: remove error codes for now
David Demelier <markand@malikania.fr>
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diff changeset
228 mlk_panic();
100
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diff changeset
229
457
04797b35565c core: painter -> mlk_painter
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diff changeset
230 MLK_PAINTER_BEGIN(&tex);
100
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diff changeset
231 draw_frame(msg);
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diff changeset
232 draw_lines(msg);
457
04797b35565c core: painter -> mlk_painter
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parents: 451
diff changeset
233 MLK_PAINTER_END();
100
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diff changeset
234
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diff changeset
235 /* Compute scaling. */
140
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diff changeset
236 w = msg->w * msg->scale;
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diff changeset
237 h = msg->h * msg->scale;
100
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parents: 99
diff changeset
238
140
453651d76f7c core: upgrade message in terms of customization
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parents: 136
diff changeset
239 /* Centerize within its drawing area. */
487
f2d3c5a97884 ui: align -> mlk_align
David Demelier <markand@malikania.fr>
parents: 486
diff changeset
240 mlk_align(MLK_ALIGN_CENTER, &x, &y, w, h, msg->x, msg->y, msg->w, msg->h);
100
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diff changeset
241
140
453651d76f7c core: upgrade message in terms of customization
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diff changeset
242 /* Draw and clear. */
472
bc5483849614 core: texture -> mlk_texture
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diff changeset
243 mlk_texture_scale(&tex, 0, 0, msg->w, msg->h, x, y, w, h, 0);
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diff changeset
244 mlk_texture_finish(&tex);
24
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245 }
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
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246
622
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diff changeset
247 // TODO: add dark variant.
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diff changeset
248 struct mlk_message_style mlk_message_style_dark = {
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249 .background = MLK_UI_COLOR_BG,
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250 .border = MLK_UI_COLOR_BORDER,
534
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251 .border_size = MLK_UI_BORDER,
622
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252 .color = MLK_UI_COLOR_TEXT,
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253 .color_selected = MLK_UI_COLOR_SELECTED,
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254 .padding = MLK_UI_PADDING,
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255 .timeout = MLK_MESSAGE_TIMEOUT_DEFAULT,
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256 .speed = MLK_MESSAGE_SPEED_DEFAULT,
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257 .query = query,
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258 .update = update,
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diff changeset
259 .draw = draw
534
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diff changeset
260 };
622
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diff changeset
261
ec334c61bb81 rpg: simplify message
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diff changeset
262 struct mlk_message_style mlk_message_style_light = {
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diff changeset
263 .background = MLK_UI_COLOR_BG,
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diff changeset
264 .border = MLK_UI_COLOR_BORDER,
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diff changeset
265 .border_size = MLK_UI_BORDER,
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diff changeset
266 .color = MLK_UI_COLOR_TEXT,
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267 .color_selected = MLK_UI_COLOR_SELECTED,
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268 .padding = MLK_UI_PADDING,
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diff changeset
269 .timeout = MLK_MESSAGE_TIMEOUT_DEFAULT,
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diff changeset
270 .speed = MLK_MESSAGE_SPEED_DEFAULT,
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diff changeset
271 .query = query,
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diff changeset
272 .update = update,
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diff changeset
273 .draw = draw
534
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diff changeset
274 };
88e9bd420a28 rpg: add delegate/style support to mlk_message
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diff changeset
275
622
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diff changeset
276 struct mlk_message_style *mlk_message_style = &mlk_message_style_light;
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diff changeset
277
24
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parents:
diff changeset
278 void
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
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diff changeset
279 mlk_message_start(struct mlk_message *msg)
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parents: 505
diff changeset
280 {
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diff changeset
281 assert(msg);
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diff changeset
282
622
ec334c61bb81 rpg: simplify message
David Demelier <markand@malikania.fr>
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diff changeset
283 struct mlk_message_style *style = MLK__STYLE(msg, mlk_message_style);
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
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diff changeset
284
622
ec334c61bb81 rpg: simplify message
David Demelier <markand@malikania.fr>
parents: 603
diff changeset
285 if ((msg->flags & (MLK_MESSAGE_FLAGS_FADEIN | MLK_MESSAGE_FLAGS_FADEOUT)) && style->speed == 0)
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
286 mlk_tracef("message has animation but zero delay");
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
287
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
288 msg->elapsed = 0;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
289 msg->scale = msg->flags & MLK_MESSAGE_FLAGS_FADEIN ? 0.0 : 1.0;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
290 msg->state = msg->flags & MLK_MESSAGE_FLAGS_FADEIN
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
291 ? MLK_MESSAGE_STATE_OPENING
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
292 : MLK_MESSAGE_STATE_SHOWING;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
293
622
ec334c61bb81 rpg: simplify message
David Demelier <markand@malikania.fr>
parents: 603
diff changeset
294 if (msg->flags & MLK_MESSAGE_FLAGS_AUTOMATIC && style->timeout == 0)
ec334c61bb81 rpg: simplify message
David Demelier <markand@malikania.fr>
parents: 603
diff changeset
295 mlk_tracef("message is automatic but has zero timeout");
635
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
296
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
297 /*
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
298 * Make sure selected index goes in the range of the lines and that it
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
299 * starts on a proper selectable line.
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
300 */
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
301 if (msg->selectable) {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
302 if (msg->selected >= msg->linesz || !is_selectable(msg, msg->selected))
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
303 msg->selected = 0;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
304
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
305 while (!is_selectable(msg, msg->selected))
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
306 msg->selected++;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
307 }
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
308 }
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
309
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
310 int
622
ec334c61bb81 rpg: simplify message
David Demelier <markand@malikania.fr>
parents: 603
diff changeset
311 mlk_message_query(struct mlk_message *msg, unsigned int *w, unsigned int *h)
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
312 {
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
313 assert(msg);
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
314
622
ec334c61bb81 rpg: simplify message
David Demelier <markand@malikania.fr>
parents: 603
diff changeset
315 return MLK__STYLE_CALL(msg->style, mlk_message_style, query, msg, w, h);
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
316 }
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
317
635
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
318 static inline size_t
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
319 first(const struct mlk_message *msg)
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
320 {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
321 size_t ret = -1;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
322
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
323 for (size_t i = 0; i < msg->linesz; ++i) {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
324 if (is_selectable(msg, i)) {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
325 ret = i;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
326 break;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
327 }
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
328 }
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
329
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
330 return ret;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
331 }
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
332
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
333 static inline size_t
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
334 last(const struct mlk_message *msg)
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
335 {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
336 size_t ret = -1;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
337
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
338 for (size_t i = msg->linesz; i >= 0; --i) {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
339 if (is_selectable(msg, i)) {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
340 ret = i;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
341 break;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
342 }
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
343 }
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
344
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
345 return ret;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
346 }
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
347
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
348 static inline size_t
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
349 previous(const struct mlk_message *msg)
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
350 {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
351 size_t ret;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
352
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
353 /* wrap */
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
354 if (msg->selected == first(msg))
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
355 ret = last(msg);
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
356 else {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
357 ret = msg->selected - 1;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
358
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
359 while (ret > 0 && !is_selectable(msg, ret))
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
360 ret--;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
361 }
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
362
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
363 return ret;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
364 }
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
365
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
366 static inline size_t
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
367 next(const struct mlk_message *msg)
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
368 {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
369 size_t ret;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
370
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
371 /* wrap */
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
372 if (msg->selected == last(msg))
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
373 ret = first(msg);
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
374 else {
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
375 ret = msg->selected + 1;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
376
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
377 while (ret < msg->linesz && !is_selectable(msg, ret))
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
378 ret++;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
379 }
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
380
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
381 return ret;
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
382 }
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
383
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
384 void
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
385 mlk_message_handle(struct mlk_message *msg, const union mlk_event *ev)
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
386 {
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
387 assert(msg);
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
388 assert(ev);
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
389
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
390 /* Skip if the message animation hasn't complete. */
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
391 if (msg->state != MLK_MESSAGE_STATE_SHOWING)
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
392 return;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
393
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
394 /* Only keyboard event are valid. */
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
395 if (ev->type != MLK_EVENT_KEYDOWN || msg->state == MLK_MESSAGE_STATE_NONE)
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
396 return;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
397
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
398 switch (ev->key.key) {
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
399 case MLK_KEY_UP:
635
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
400 if (msg->selectable && msg->linesz)
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
401 msg->selected = previous(msg);
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
402 break;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
403 case MLK_KEY_DOWN:
635
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
404 if (msg->selectable && msg->linesz)
3cb1860d9f11 rpg: improve message selectable lines
David Demelier <markand@malikania.fr>
parents: 622
diff changeset
405 msg->selected = next(msg);
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
406 break;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
407 case MLK_KEY_ENTER:
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
408 msg->state = msg->flags & MLK_MESSAGE_FLAGS_FADEOUT
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
409 ? MLK_MESSAGE_STATE_HIDING
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
410 : MLK_MESSAGE_STATE_NONE;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
411 msg->elapsed = 0;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
412 break;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
413 default:
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
414 break;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
415 }
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
416 }
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
417
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
418 int
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
419 mlk_message_update(struct mlk_message *msg, unsigned int ticks)
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
420 {
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
421 assert(msg);
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
422
622
ec334c61bb81 rpg: simplify message
David Demelier <markand@malikania.fr>
parents: 603
diff changeset
423 MLK__STYLE_CALL(msg->style, mlk_message_style, update, msg, ticks);
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
424
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
425 return msg->state == MLK_MESSAGE_STATE_NONE;
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
426 }
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
427
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
428 void
622
ec334c61bb81 rpg: simplify message
David Demelier <markand@malikania.fr>
parents: 603
diff changeset
429 mlk_message_draw(struct mlk_message *msg)
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
430 {
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
431 assert(msg);
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
432
622
ec334c61bb81 rpg: simplify message
David Demelier <markand@malikania.fr>
parents: 603
diff changeset
433 MLK__STYLE_CALL(msg->style, mlk_message_style, draw, msg);
534
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
434 }
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
435
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
436 void
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
437 mlk_message_hide(struct mlk_message *msg)
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
438 {
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
439 assert(msg);
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
440
88e9bd420a28 rpg: add delegate/style support to mlk_message
David Demelier <markand@malikania.fr>
parents: 505
diff changeset
441 msg->state = MLK_MESSAGE_STATE_HIDING;
24
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
442 msg->elapsed = 0;
4a06503641eb core: start basic implementation of dialog, continue #2449 @2h
David Demelier <markand@malikania.fr>
parents:
diff changeset
443 }