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v/vlib/term/term_windows.c.v

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module term
import os
pub struct Coord16 {
pub:
x i16
y i16
}
struct SmallRect {
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left i16
top i16
right i16
bottom i16
}
// win: CONSOLE_SCREEN_BUFFER_INFO
// https://docs.microsoft.com/en-us/windows/console/console-screen-buffer-info-str
struct ConsoleScreenBufferInfo {
dw_size Coord16
dw_cursor_position Coord16
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w_attributes u16
sr_window SmallRect
dw_maximum_window_size Coord16
}
// ref - https://docs.microsoft.com/en-us/windows/console/getconsolescreenbufferinfo
fn C.GetConsoleScreenBufferInfo(handle os.HANDLE, info &ConsoleScreenBufferInfo) bool
// ref - https://docs.microsoft.com/en-us/windows/console/setconsoletitle
fn C.SetConsoleTitle(title &u16) bool
// get_terminal_size returns a number of colums and rows of terminal window.
pub fn get_terminal_size() (int, int) {
if is_atty(1) > 0 && os.getenv('TERM') != 'dumb' {
info := ConsoleScreenBufferInfo{}
if C.GetConsoleScreenBufferInfo(C.GetStdHandle(C.STD_OUTPUT_HANDLE), &info) {
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columns := int(info.sr_window.right - info.sr_window.left + 1)
rows := int(info.sr_window.bottom - info.sr_window.top + 1)
return columns, rows
}
}
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return default_columns_size, default_rows_size
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}
// get_cursor_position returns a Coord containing the current cursor position
pub fn get_cursor_position() Coord {
mut res := Coord{}
if is_atty(1) > 0 && os.getenv('TERM') != 'dumb' {
info := ConsoleScreenBufferInfo{}
if C.GetConsoleScreenBufferInfo(C.GetStdHandle(C.STD_OUTPUT_HANDLE), &info) {
res.x = info.dw_cursor_position.x
res.y = info.dw_cursor_position.y
}
}
return res
}
// set_terminal_title change the terminal title
pub fn set_terminal_title(title string) bool {
title_change := C.SetConsoleTitle(title.to_wide())
return title_change
}