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v/vlib/term/ui/input.v
2021-02-21 16:07:49 +02:00

251 lines
5.2 KiB
V

// Copyright (c) 2020-2021 Raúl Hernández. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module ui
pub enum KeyCode {
null = 0
tab = 9
enter = 10
escape = 27
space = 32
backspace = 127
exclamation = 33
double_quote = 34
hashtag = 35
dollar = 36
percent = 37
ampersand = 38
single_quote = 39
left_paren = 40
right_paren = 41
asterisk = 42
plus = 43
comma = 44
minus = 45
period = 46
slash = 47
_0 = 48
_1 = 49
_2 = 50
_3 = 51
_4 = 52
_5 = 53
_6 = 54
_7 = 55
_8 = 56
_9 = 57
colon = 58
semicolon = 59
less_than = 60
equal = 61
greater_than = 62
question_mark = 63
at = 64
a = 97
b = 98
c = 99
d = 100
e = 101
f = 102
g = 103
h = 104
i = 105
j = 106
k = 107
l = 108
m = 109
n = 110
o = 111
p = 112
q = 113
r = 114
s = 115
t = 116
u = 117
v = 118
w = 119
x = 120
y = 121
z = 122
left_square_bracket = 91
backslash = 92
right_square_bracket = 93
caret = 94
underscore = 95
backtick = 96
left_curly_bracket = 123
vertical_bar = 124
right_curly_bracket = 125
tilde = 126
insert = 260
delete = 261
up = 262
down = 263
right = 264
left = 265
page_up = 266
page_down = 267
home = 268
end = 269
f1 = 290
f2 = 291
f3 = 292
f4 = 293
f5 = 294
f6 = 295
f7 = 296
f8 = 297
f9 = 298
f10 = 299
f11 = 300
f12 = 301
f13 = 302
f14 = 303
f15 = 304
f16 = 305
f17 = 306
f18 = 307
f19 = 308
f20 = 309
f21 = 310
f22 = 311
f23 = 312
f24 = 313
}
pub enum Direction {
unknown
up
down
left
right
}
pub enum MouseButton {
unknown
left
middle
right
}
pub enum EventType {
unknown
mouse_down
mouse_up
mouse_move
mouse_drag
mouse_scroll
key_down
resized
}
[flag]
pub enum Modifiers {
ctrl
shift
alt
}
[inline] pub fn (m &Modifiers) is_empty() bool { return int(m) == 0 }
pub struct Event {
pub:
typ EventType
// Mouse event info
x int
y int
button MouseButton
direction Direction
// Keyboard event info
code KeyCode
modifiers Modifiers
ascii byte
utf8 string
// Resized event info
width int
height int
}
pub struct Context {
ExtraContext // contains fields specific to an implementation
pub:
cfg Config
mut:
print_buf []byte
paused bool
enable_su bool
enable_rgb bool
pub mut:
frame_count u64
window_width int
window_height int
}
pub struct Config {
user_data voidptr
init_fn fn(voidptr)
frame_fn fn(voidptr)
cleanup_fn fn(voidptr)
event_fn fn(&Event, voidptr)
fail_fn fn(string)
buffer_size int = 256
frame_rate int = 30
use_x11 bool
window_title string
hide_cursor bool
capture_events bool
use_alternate_buffer bool = true
skip_init_checks bool
// All kill signals to set up exit listeners on
reset []int = [1, 2, 3, 4, 6, 7, 8, 9, 11, 13, 14, 15, 19]
}
[inline]
fn (ctx &Context) init() {
if ctx.cfg.init_fn != voidptr(0) {
ctx.cfg.init_fn(ctx.cfg.user_data)
}
}
[inline]
fn (ctx &Context) frame() {
if ctx.cfg.frame_fn != voidptr(0) {
ctx.cfg.frame_fn(ctx.cfg.user_data)
}
}
[inline]
fn (ctx &Context) cleanup() {
if ctx.cfg.cleanup_fn != voidptr(0) {
ctx.cfg.cleanup_fn(ctx.cfg.user_data)
}
}
[inline]
fn (ctx &Context) fail(error string) {
if ctx.cfg.fail_fn != voidptr(0) {
ctx.cfg.fail_fn(error)
}
}
[inline]
fn (ctx &Context) event(event &Event) {
if ctx.cfg.event_fn != voidptr(0) {
ctx.cfg.event_fn(event, ctx.cfg.user_data)
}
}