| 1 | /*
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| 2 | * Copyright (c) 2021 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 nav
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file Navigator panel
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| 34 | */
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| 35 |
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| 36 | #ifndef PANEL_H
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| 37 | #define PANEL_H
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| 38 |
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| 39 | #include <adt/list.h>
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| 40 | #include <errno.h>
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| 41 | #include <gfx/color.h>
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| 42 | #include <gfx/coord.h>
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| 43 | #include <io/kbd_event.h>
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| 44 | #include <io/pos_event.h>
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| 45 | #include <ui/control.h>
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| 46 | #include <ui/window.h>
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| 47 | #include <stdint.h>
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| 48 | #include "nav.h"
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| 49 | #include "panel.h"
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| 50 |
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| 51 | /** Panel entry */
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| 52 | typedef struct {
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| 53 | /** Containing panel */
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| 54 | struct panel *panel;
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| 55 | /** Link to @c panel->entries */
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| 56 | link_t lentries;
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| 57 | /** File name */
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| 58 | char *name;
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| 59 | /** File size */
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| 60 | uint64_t size;
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| 61 | } panel_entry_t;
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| 62 |
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| 63 | /** Navigator panel
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| 64 | *
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| 65 | * This is a custom UI control.
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| 66 | */
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| 67 | typedef struct panel {
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| 68 | /** Base control object */
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| 69 | struct ui_control *control;
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| 70 |
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| 71 | /** Containing window */
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| 72 | ui_window_t *window;
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| 73 |
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| 74 | /** Panel rectangle */
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| 75 | gfx_rect_t rect;
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| 76 |
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| 77 | /** Panel color */
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| 78 | gfx_color_t *color;
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| 79 |
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| 80 | /** Panel cursor color */
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| 81 | gfx_color_t *curs_color;
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| 82 |
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| 83 | /** Panel entries (list of panel_entry_t) */
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| 84 | list_t entries;
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| 85 |
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| 86 | /** Number of entries */
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| 87 | size_t entries_cnt;
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| 88 |
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| 89 | /** First entry of current page */
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| 90 | panel_entry_t *page;
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| 91 |
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| 92 | /** Index of first entry of current page */
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| 93 | size_t page_idx;
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| 94 |
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| 95 | /** Cursor position */
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| 96 | panel_entry_t *cursor;
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| 97 |
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| 98 | /** Index of entry under cursor */
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| 99 | size_t cursor_idx;
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| 100 | } panel_t;
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| 101 |
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| 102 | extern errno_t panel_create(ui_window_t *, panel_t **);
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| 103 | extern void panel_destroy(panel_t *);
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| 104 | extern errno_t panel_entry_paint(panel_entry_t *, size_t);
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| 105 | extern errno_t panel_paint(panel_t *);
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| 106 | extern ui_evclaim_t panel_kbd_event(panel_t *, kbd_event_t *);
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| 107 | extern ui_evclaim_t panel_pos_event(panel_t *, pos_event_t *);
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| 108 | extern ui_control_t *panel_ctl(panel_t *);
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| 109 | extern void panel_set_rect(panel_t *, gfx_rect_t *);
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| 110 | extern errno_t panel_entry_append(panel_t *, const char *, uint64_t);
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| 111 | extern void panel_entry_delete(panel_entry_t *);
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| 112 | extern void panel_clear_entries(panel_t *);
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| 113 | extern errno_t panel_read_dir(panel_t *, const char *);
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| 114 | extern panel_entry_t *panel_first(panel_t *);
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| 115 | extern panel_entry_t *panel_last(panel_t *);
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| 116 | extern panel_entry_t *panel_next(panel_entry_t *);
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| 117 | extern panel_entry_t *panel_prev(panel_entry_t *);
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| 118 | extern void panel_cursor_move(panel_t *, panel_entry_t *, size_t);
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| 119 | extern void panel_cursor_up(panel_t *);
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| 120 | extern void panel_cursor_down(panel_t *);
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| 121 | extern void panel_cursor_top(panel_t *);
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| 122 | extern void panel_cursor_bottom(panel_t *);
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| 123 |
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| 124 | #endif
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| 125 |
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| 126 | /** @}
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| 127 | */
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