Mercurial > molko
annotate src/libmlk-ui/ui/button.h @ 409:6011ad866e99
ui: delete action functions
The handling of actions is done without taking care of the return value which
make it impossible to detect UI elements since it's a immediate mode like
implementation.
Users are encouraged to write code like instead:
```
if (button_handle(&b, &ev)) {
// Do something.
}
```
author | David Demelier <markand@malikania.fr> |
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date | Fri, 09 Sep 2022 09:27:17 +0200 |
parents | 460c78706989 |
children | 8f59201dc76b |
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1 /* |
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2 * button.h -- GUI button |
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3 * |
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4 * Copyright (c) 2020-2022 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 MLK_UI_BUTTON_H |
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20 #define MLK_UI_BUTTON_H |
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21 |
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22 #include <core/core.h> |
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23 |
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24 union event; |
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25 |
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26 struct theme; |
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27 |
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28 enum button_state { |
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29 BUTTON_STATE_NONE, |
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30 BUTTON_STATE_PRESSED, |
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31 BUTTON_STATE_ACTIVATED |
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32 }; |
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33 |
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34 struct button { |
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35 int x; |
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36 int y; |
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37 unsigned int w; |
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38 unsigned int h; |
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39 const char *text; |
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40 enum button_state state; |
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41 const struct theme *theme; |
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42 }; |
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43 |
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44 CORE_BEGIN_DECLS |
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45 |
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46 int |
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47 button_handle(struct button *, const union event *); |
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48 |
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49 void |
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50 button_reset(struct button *); |
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51 |
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52 void |
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53 button_draw_default(const struct theme *, const struct button *); |
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55 void |
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56 button_draw(const struct button *); |
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57 |
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58 CORE_END_DECLS |
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60 #endif /* !MLK_UI_BUTTON_H */ |