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// 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
struct ExtraContext {
mut:
read_buf []byte
}
const (
ctx_ptr = &Context(0)
)
pub fn init(cfg Config) &Context {
mut ctx := &Context{
cfg: cfg
}
ctx.read_buf = []byte{cap: cfg.buffer_size}
// lmao
unsafe {
x := &ui.ctx_ptr
*x = ctx
_ = x
}
return ctx
}
[inline]
fn save_title() {
// restore the previously saved terminal title
print('\x1b[22;0t')
}
[inline]
fn load_title() {
// restore the previously saved terminal title
print('\x1b[23;0t')
}
pub fn (mut ctx Context) run() ? {
if ctx.cfg.use_x11 {
ctx.fail('error: x11 backend not implemented yet')
exit(1)
} else {
ctx.termios_setup() ?
ctx.termios_loop()
}
}
// shifts the array left, to remove any data that was just read, and updates its len
// TODO: remove
[inline]
fn (mut ctx Context) shift(len int) {
unsafe {
C.memmove(ctx.read_buf.data, &byte(ctx.read_buf.data) + len, ctx.read_buf.cap - len)
ctx.resize_arr(ctx.read_buf.len - len)
}
}
// TODO: don't actually do this, lmao
[inline]
fn (mut ctx Context) resize_arr(size int) {
mut l := unsafe { &ctx.read_buf.len }
unsafe {
*l = size
_ = l
}
}
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