LibLinEdit + Shell: handle signals

This allows the LineEditor to get notified about signals, since we
cannot set signal handlers in a clean way within the LineEditor
instance.

2 files changed, 6 insertions, 8 deletions

diff --git a/Libraries/LibLineEdit/LineEditor.cpp b/Libraries/LibLineEdit/LineEditor.cpp
index 131216a008..e632168b21 100644
--- a/Libraries/LibLineEdit/LineEditor.cpp
+++ b/Libraries/LibLineEdit/LineEditor.cpp
@@ -42,14 +42,8 @@ LineEditor::LineEditor(struct termios termios)
 }
 
 LineEditor::LineEditor()
-    : m_termios({})
-    , m_initialized(false)
+    : LineEditor(termios {})
 {
-    struct winsize ws;
-    if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0)
-        m_num_columns = 80;
-    else
-        m_num_columns = ws.ws_col;
 }
 
 LineEditor::~LineEditor()
diff --git a/Libraries/LibLineEdit/LineEditor.h b/Libraries/LibLineEdit/LineEditor.h
index 75e0e54a89..437d024e43 100644
--- a/Libraries/LibLineEdit/LineEditor.h
+++ b/Libraries/LibLineEdit/LineEditor.h
@@ -70,7 +70,11 @@ public:
 
     Function<Vector<String>(const String&)> on_tab_complete_first_token = nullptr;
     Function<Vector<String>(const String&)> on_tab_complete_other_token = nullptr;
-    // FIXME: figure out signals
+
+    // FIXME: we will have to kindly ask our instantiators to set our signal handlers
+    // since we can not do this cleanly ourselves (signal() limitation: cannot give member functions)
+    void interrupted() { m_was_interrupted = true; }
+    void resized() { m_was_resized = true; }
 
     size_t cursor() const { return m_cursor; }
     const Vector<char, 1024>& buffer() const { return m_buffer; }