patch 8.1.0834: GUI may wait too long before dealing with messages
Problem: GUI may wait too long before dealing with messages. Returning
early may cause a mapping to time out.
Solution: Use the waiting loop from Unix also for the GUI.
(closes #3817, closes #3824)
diff --git a/src/proto/ui.pro b/src/proto/ui.pro
index ac830f0..774a308 100644
--- a/src/proto/ui.pro
+++ b/src/proto/ui.pro
@@ -2,6 +2,7 @@
void ui_write(char_u *s, int len);
void ui_inchar_undo(char_u *s, int len);
int ui_inchar(char_u *buf, int maxlen, long wtime, int tb_change_cnt);
+int inchar_loop(char_u *buf, int maxlen, long wtime, int tb_change_cnt, int (*wait_func)(long wtime, int *interrupted, int ignore_input), int (*resize_func)(int check_only));
int ui_wait_for_chars_or_timer(long wtime, int (*wait_func)(long wtime, int *interrupted, int ignore_input), int *interrupted, int ignore_input);
int ui_char_avail(void);
void ui_delay(long msec, int ignoreinput);