diff options
Diffstat (limited to 'tools/perf/ui/keysyms.c')
| -rw-r--r-- | tools/perf/ui/keysyms.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tools/perf/ui/keysyms.c b/tools/perf/ui/keysyms.c new file mode 100644 index 000000000000..b64564b07f2f --- /dev/null +++ b/tools/perf/ui/keysyms.c @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#include "keysyms.h" +#include <linux/ctype.h> +#include <linux/kernel.h> + +const char *key_name(int key, char *bf, size_t size) +{ + if (isprint(key)) { + scnprintf(bf, size, "%c", key); + } else if (key < 32) { + scnprintf(bf, size, "Ctrl+%c", key + '@'); + } else { + const char *name = NULL; + + switch (key) { + case K_DOWN: name = "Down"; break; + case K_END: name = "End"; break; + case K_ENTER: name = "Enter"; break; + case K_ESC: name = "ESC"; break; + case K_F1: name = "F1"; break; + case K_HOME: name = "Home"; break; + case K_LEFT: name = "Left"; break; + case K_PGDN: name = "PgDown"; break; + case K_PGUP: name = "PgUp"; break; + case K_RIGHT: name = "Right"; break; + case K_TAB: name = "Tab"; break; + case K_UNTAB: name = "Untab"; break; + case K_UP: name = "Up"; break; + case K_BKSPC: name = "Backspace"; break; + case K_DEL: name = "Del"; break; + default: + if (key >= SL_KEY_F(1) && key <= SL_KEY_F(63)) + scnprintf(bf, size, "F%d", key - SL_KEY_F(0)); + else + scnprintf(bf, size, "Unknown (%d)", key); + } + + if (name) + scnprintf(bf, size, "%s", name); + } + + return bf; +} |