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Shell: Handle SIGWINCH to get a nice behavior when resizing.

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When resizing the terminal, we now clear the entire current line and reset
the shell's LineEditor input state. This makes it look and feel kinda the
same as xterm.

Fixes #286.
This commit is contained in:
Andreas Kling 2019-07-08 19:04:13 +02:00
commit fc4022d173
Notes: sideshowbarker 2024-07-19 13:21:49 +09:00
3 changed files with 18 additions and 27 deletions
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8
Shell/LineEditor.cpp
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@ -50,10 +50,16 @@ String LineEditor::get_line()
if (nread < 0) {
if (errno == EINTR) {
if (g.was_interrupted) {
g.was_interrupted = false;
if (!m_buffer.is_empty())
printf("^C");
}
g.was_interrupted = false;
if (g.was_resized) {
g.was_resized = false;
printf("\033[2K\r");
m_buffer.clear();
return String::empty();
}
m_buffer.clear();
putchar('\n');
return String::empty();