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v/vlib/term/term_windows.c.v

67 lines
1.8 KiB
V

module term
import os
[typedef]
struct C.COORD {
X i16
Y i16
}
[typedef]
struct C.SMALL_RECT {
Left u16
Top u16
Right u16
Bottom u16
}
// win: CONSOLE_SCREEN_BUFFER_INFO
// https://docs.microsoft.com/en-us/windows/console/console-screen-buffer-info-str
[typedef]
struct C.CONSOLE_SCREEN_BUFFER_INFO {
dwSize C.COORD
dwCursorPosition C.COORD
wAttributes u16
srWindow C.SMALL_RECT
dwMaximumWindowSize C.COORD
}
// ref - https://docs.microsoft.com/en-us/windows/console/getconsolescreenbufferinfo
fn C.GetConsoleScreenBufferInfo(handle os.HANDLE, info &C.CONSOLE_SCREEN_BUFFER_INFO) 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 := C.CONSOLE_SCREEN_BUFFER_INFO{}
if C.GetConsoleScreenBufferInfo(C.GetStdHandle(C.STD_OUTPUT_HANDLE), &info) {
columns := int(info.srWindow.Right - info.srWindow.Left + 1)
rows := int(info.srWindow.Bottom - info.srWindow.Top + 1)
return columns, rows
}
}
return default_columns_size, default_rows_size
}
// 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 := C.CONSOLE_SCREEN_BUFFER_INFO{}
if C.GetConsoleScreenBufferInfo(C.GetStdHandle(C.STD_OUTPUT_HANDLE), &info) {
res.x = info.dwCursorPosition.X
res.y = info.dwCursorPosition.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
}