Mercurial > molko

annotate libui/ui/checkbox.c @ 152:1008a796a9e7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ui: make UI widgets usable as actions While here add a example-ui program with move support.
author David Demelier <markand@malikania.fr>
date Thu, 15 Oct 2020 18:09:45 +0200
parents b19d076856d2
children 6992085d47fd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
115
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
1 /*
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
2 * checkbox.c -- GUI checkbox
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
3 *
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
4 * Copyright (c) 2020 David Demelier <markand@malikania.fr>
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
5 *
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
6 * Permission to use, copy, modify, and/or distribute this software for any
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
7 * purpose with or without fee is hereby granted, provided that the above
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
8 * copyright notice and this permission notice appear in all copies.
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
9 *
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
17 */
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
18
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
19 #include <assert.h>
152
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
20 #include <string.h>
115
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
21
152
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
22 #include <core/action.h>
148
c577c15df07f misc: split libraries, closes #2496
David Demelier <markand@malikania.fr>
parents: 121
diff changeset
23 #include <core/event.h>
c577c15df07f misc: split libraries, closes #2496
David Demelier <markand@malikania.fr>
parents: 121
diff changeset
24 #include <core/maths.h>
151
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
25 #include <core/painter.h>
148
c577c15df07f misc: split libraries, closes #2496
David Demelier <markand@malikania.fr>
parents: 121
diff changeset
26
151
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
27 #include "label.h"
115
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
28 #include "checkbox.h"
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
29 #include "theme.h"
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
30
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
31 static bool
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
32 is_boxed(const struct checkbox *cb, const struct event_click *click)
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
33 {
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
34 assert(cb);
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
35 assert(click && click->type == EVENT_CLICKDOWN);
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
36
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
37 return maths_is_boxed(cb->x, cb->y, cb->w, cb->h, click->x, click->y);
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
38 }
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
39
152
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
40 static void
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
41 handle(struct action *act, const union event *ev)
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
42 {
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
43 checkbox_handle(act->data, ev);
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
44 }
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
45
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
46 static void
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
47 draw(struct action *act)
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
48 {
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
49 checkbox_draw(act->data);
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
50 }
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
51
115
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
52 void
151
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
53 checkbox_draw_default(struct theme *t, const struct checkbox *cb)
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
54 {
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
55 assert(t);
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
56 assert(cb);
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
57
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
58 painter_set_color(0x151d28ff);
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
59 painter_draw_rectangle(cb->x, cb->y, cb->w, cb->h);
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
60 painter_set_color(0xd7b594ff);
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
61 painter_draw_rectangle(cb->x + 1, cb->y + 1, cb->w - 2, cb->h - 2);
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
62
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
63 if (cb->checked) {
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
64 painter_set_color(0x341c27ff);
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
65 painter_draw_rectangle(cb->x + 5, cb->y + 5, cb->w - 10, cb->h - 10);
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
66 }
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
67 }
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
68
b19d076856d2 ui: cleanup theme module, closes #2498
David Demelier <markand@malikania.fr>
parents: 148
diff changeset
69 void
115
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
70 checkbox_handle(struct checkbox *cb, const union event *ev)
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
71 {
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
72 assert(cb);
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
73 assert(ev);
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
74
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
75 switch (ev->type) {
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
76 case EVENT_CLICKDOWN:
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
77 if (is_boxed(cb, &ev->click))
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
78 cb->checked = !cb->checked;
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
79 break;
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
80 default:
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
81 break;
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
82 }
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
83 }
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
84
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
85 void
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
86 checkbox_draw(const struct checkbox *cb)
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
87 {
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
88 theme_draw_checkbox(cb->theme, cb);
3bd0d3a39e30 core: implement checkbox, closes #2486
David Demelier <markand@malikania.fr>
parents:
diff changeset
89 }
152
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
90
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
91 void
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
92 checkbox_action(struct checkbox *cb, struct action *act)
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
93 {
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
94 assert(cb);
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
95 assert(act);
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
96
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
97 memset(act, 0, sizeof (*act));
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
98 act->data = cb;
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
99 act->handle = handle;
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
100 act->draw = draw;
1008a796a9e7 ui: make UI widgets usable as actions
David Demelier <markand@malikania.fr>
parents: 151
diff changeset
101 }