diff options
Diffstat (limited to 'src/nvim/os/input.c')
| -rw-r--r-- | src/nvim/os/input.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/nvim/os/input.c b/src/nvim/os/input.c index 9d6518841a..eca245650a 100644 --- a/src/nvim/os/input.c +++ b/src/nvim/os/input.c @@ -159,16 +159,28 @@ bool os_char_avail(void) return inbuf_poll(0, NULL) == kInputAvail; } -// Check for CTRL-C typed by reading all available characters. +/// Poll for fast events. `got_int` will be set to `true` if CTRL-C was typed. +/// +/// This invokes a full libuv loop iteration which can be quite costly. +/// Prefer `line_breakcheck()` if called in a busy inner loop. +/// +/// Caller must at least check `got_int` before calling this function again. +/// checking for other low-level input state like `input_available()` might +/// also be relevant (i e to throttle idle processing when user input is +/// available) void os_breakcheck(void) { + if (got_int) { + return; + } + int save_us = updating_screen; // We do not want screen_resize() to redraw here. + // TODO(bfredl): we are already special casing redraw events, is this + // hack still needed? updating_screen++; - if (!got_int) { - loop_poll_events(&main_loop, 0); - } + loop_poll_events(&main_loop, 0); updating_screen = save_us; } |