Mercurial > molko
view libmlk-ui/mlk/ui/label.h @ 507:d49a05e7a5b5
ui: separate delegate/style
Now UI elements do have different styling properties:
- _delegate: functions used to update, draw or perform specific actions on the
UI element.
- _style: basic properties that the delegate should support if possible.
author | David Demelier <markand@malikania.fr> |
---|---|
date | Thu, 02 Mar 2023 21:36:43 +0100 |
parents | e205625015ba |
children | daf085bf8a8c |
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/* * label.h -- GUI label * * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef MLK_UI_LABEL_H #define MLK_UI_LABEL_H #include <mlk/core/core.h> struct mlk_font; struct mlk_label; struct mlk_label_style { unsigned long color; struct mlk_font *font; }; struct mlk_label_delegate { void *data; void (*query)(struct mlk_label_delegate *, const struct mlk_label *, unsigned int *, unsigned *); void (*update)(struct mlk_label_delegate *, struct mlk_label *, unsigned int); void (*draw)(struct mlk_label_delegate *, const struct mlk_label *); }; struct mlk_label { int x, y; const char *text; struct mlk_label_style *style; struct mlk_label_delegate *delegate; }; extern struct mlk_label_style mlk_label_style; extern struct mlk_label_delegate mlk_label_delegate; MLK_CORE_BEGIN_DECLS int mlk_label_ok(const struct mlk_label *); int mlk_label_query(const struct mlk_label *, unsigned int *, unsigned int *); void mlk_label_update(struct mlk_label *, unsigned int ticks); void mlk_label_draw(const struct mlk_label *); MLK_CORE_END_DECLS #endif /* !MLK_UI_LABEL_H */