| 1 | /*
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| 2 | * Copyright (c) 2023 Jiri Svoboda
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libui
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file Menu structure
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| 34 | *
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| 35 | */
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| 36 |
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| 37 | #ifndef _UI_PRIVATE_MENU_H
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| 38 | #define _UI_PRIVATE_MENU_H
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| 39 |
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| 40 | #include <adt/list.h>
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| 41 | #include <gfx/coord.h>
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| 42 | #include <stdbool.h>
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| 43 | #include <types/common.h>
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| 44 | #include <types/ui/menu.h>
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| 45 | #include <types/ui/resource.h>
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| 46 |
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| 47 | /** Actual structure of menu.
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| 48 | *
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| 49 | * This is private to libui.
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| 50 | */
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| 51 | struct ui_menu {
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| 52 | /** Parent window */
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| 53 | struct ui_window *parent;
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| 54 | /** Caption */
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| 55 | char *caption;
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| 56 | /** Popup window or @c NULL if menu is not currently open */
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| 57 | struct ui_popup *popup;
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| 58 | /** Selected menu entry or @c NULL */
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| 59 | struct ui_menu_entry *selected;
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| 60 | /** Maximum caption width */
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| 61 | gfx_coord_t max_caption_w;
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| 62 | /** Maximum shortcut width */
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| 63 | gfx_coord_t max_shortcut_w;
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| 64 | /** Total entry height */
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| 65 | gfx_coord_t total_h;
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| 66 | /** Menu entries (ui_menu_entry_t) */
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| 67 | list_t entries;
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| 68 | /** Callbacks */
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| 69 | struct ui_menu_cb *cb;
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| 70 | /** Callback argument */
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| 71 | void *arg;
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| 72 | };
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| 73 |
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| 74 | /** Menu geometry.
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| 75 | *
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| 76 | * Computed rectangles of menu elements.
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| 77 | */
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| 78 | typedef struct {
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| 79 | /** Outer rectangle */
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| 80 | gfx_rect_t outer_rect;
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| 81 | /** Entries rectangle */
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| 82 | gfx_rect_t entries_rect;
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| 83 | } ui_menu_geom_t;
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| 84 |
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| 85 | extern void ui_menu_get_geom(ui_menu_t *, gfx_coord2_t *, ui_menu_geom_t *);
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| 86 | extern ui_resource_t *ui_menu_get_res(ui_menu_t *);
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| 87 | extern errno_t ui_menu_paint_bg_gfx(ui_menu_t *, gfx_coord2_t *);
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| 88 | extern errno_t ui_menu_paint_bg_text(ui_menu_t *, gfx_coord2_t *);
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| 89 | extern void ui_menu_up(ui_menu_t *);
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| 90 | extern void ui_menu_down(ui_menu_t *);
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| 91 | extern void ui_menu_left(ui_menu_t *, sysarg_t);
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| 92 | extern void ui_menu_right(ui_menu_t *, sysarg_t);
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| 93 | extern void ui_menu_close_req(ui_menu_t *);
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| 94 | extern void ui_menu_press_accel(ui_menu_t *, char32_t, sysarg_t);
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| 95 |
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| 96 | #endif
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| 97 |
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| 98 | /** @}
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| 99 | */
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