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

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.

1 files changed, 7 insertions, 1 deletions

diff --git a/Shell/LineEditor.cpp b/Shell/LineEditor.cpp
index 78b70794a4..b1bd1df8e8 100644
--- a/Shell/LineEditor.cpp
+++ b/Shell/LineEditor.cpp
@@ -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();