Shell: Added support for ctr-e/a.

By pressing ctr-e/a the cursor goes to the end/beginning of the current line.
Author: https://github.com/marprok Commit: https://github.com/SerenityOS/serenity/commit/ac154999f55 Pull-request: https://github.com/SerenityOS/serenity/pull/514 Reviewed-by: https://github.com/awesomekling
2019-09-01 11:47:35 +03:00 · 2019-09-01 11:47:35 +03:00 · ac154999f5 · 2024-07-19 12:24:04 +09:00
commit ac154999f5
parent 1f56612c8a
1 changed files with 16 additions and 0 deletions
--- a/Shell/LineEditor.cpp
+++ b/Shell/LineEditor.cpp
@ -226,6 +226,22 @@ String LineEditor::get_line(const String& prompt)
                fflush(stdout);
                continue;
            }
+            if (ch == 0x01) { // ^A
+                if (m_cursor > 0) {
+                    printf("\033[%dD", m_cursor);
+                    fflush(stdout);
+                    m_cursor = 0;
+                }
+                continue;
+            }
+            if (ch == 0x05) { // ^E
+                if (m_cursor < m_buffer.size()) {
+                    printf("\033[%dC", m_buffer.size() - m_cursor);
+                    fflush(stdout);
+                    m_cursor = m_buffer.size();
+                }
+                continue;
+            }
            putchar(ch);
            fflush(stdout);
            if (ch == '\n') {