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term: implement get_terminal_size for Windows

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Alexey 2020-01-29 01:44:57 +03:00 committed by GitHub
parent 007baa2305
commit 5c00851b44
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1 changed files with 32 additions and 3 deletions
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35
vlib/term/misc_windows.v
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@ -1,6 +1,35 @@
module term
pub fn get_terminal_size() (int, int) {
// TODO: find a way to get proper width&height of the terminal on windows, probably using Winapis
return 80, 25
import os
struct C.SMALL_RECT {
Left i16
Top i16
Right i16
Bottom i16
}
struct C.CONSOLE_SCREEN_BUFFER_INFO {
dwSize C.COORD
dwCursorPosition C.COORD
wAttributes C.COORD
srWindow C.SMALL_RECT
dwMaximumWindowSize C.COORD
}
fn C.GetConsoleScreenBufferInfo(handle C.HANDLE, info &CONSOLE_SCREEN_BUFFER_INFO) 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 := CONSOLE_SCREEN_BUFFER_INFO{}
if C.GetConsoleScreenBufferInfo(C.GetStdHandle(C.STD_OUTPUT_HANDLE), &info) {
columns := (info.srWindow.Right - info.srWindow.Left + 1) as int
rows := (info.srWindow.Bottom - info.srWindow.Top + 1) as int
return columns, rows
}
}
return 80, 25
}