diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | Doc/Zsh/zle.yo | 9 | ||||
| -rw-r--r-- | Src/Zle/zle_thingy.c | 29 |
3 files changed, 35 insertions, 7 deletions
@@ -1,5 +1,9 @@ 2004-09-02 Peter Stephenson <pws@csr.com> + * 20303: Src/Zle/zle_thingy.c, Doc/Zsh/zle.yo: Make test for + zle -I more consistent with other uses of zle. Make zle widgets + runnable inside traps. + * 20300: Src/Zle/zle_main.c: typing ^D to list completions, then two ^C's caused a spurious EOF. diff --git a/Doc/Zsh/zle.yo b/Doc/Zsh/zle.yo index fe6ef04a6..7b59d32d3 100644 --- a/Doc/Zsh/zle.yo +++ b/Doc/Zsh/zle.yo @@ -505,9 +505,12 @@ to minimise disruption. Note that there are normally better ways of manipulating the display from within zle widgets; see, for example, `tt(zle -R)' above. -The status is zero if zle is active and the current zle display has -been invalidated (even if this was by a previous call to `tt(zle -I)'), -else one. +The returned status is zero if a zle widget can be called immediately. +Note this is independent of whether the display has been invalidated. +For example, if a completion widget is active a zle widget cannot be used +and the status is one even if the display was invalidated; on the other +hand, the status may be zero if the display was invalidated by a previous +call to `tt(zle -I)'. ) item(var(widget) tt([ -n) var(num) tt(]) tt([ -N ]) var(args) ...)( Invoke the specified widget. This can only be done when ZLE is diff --git a/Src/Zle/zle_thingy.c b/Src/Zle/zle_thingy.c index 53eb927f9..c252eee1e 100644 --- a/Src/Zle/zle_thingy.c +++ b/Src/Zle/zle_thingy.c @@ -619,6 +619,23 @@ bin_zle_complete(char *name, char **args, UNUSED(Options ops), UNUSED(char func) /**/ static int +zle_usable() +{ + return zleactive && !incompctlfunc && !incompfunc +#if 0 + /* + * PWS experiment: commenting this out allows zle widgets + * in signals, hooks etc. I'm not sure if this has a down side; + * it ought to be that zleactive is good enough to test whether + * widgets are callable. + */ + && sfcontext == SFC_WIDGET +#endif + ; +} + +/**/ +static int bin_zle_call(char *name, char **args, UNUSED(Options ops), UNUSED(char func)) { Thingy t; @@ -629,10 +646,9 @@ bin_zle_call(char *name, char **args, UNUSED(Options ops), UNUSED(char func)) if (!wname) { if (saveflag) zmod = modsave; - return (!zleactive || incompctlfunc || incompfunc || - sfcontext != SFC_WIDGET); + return !zle_usable(); } - if(!zleactive || incompctlfunc || incompfunc || sfcontext != SFC_WIDGET) { + if(!zle_usable()) { zwarnnam(name, "widgets can only be called when ZLE is active", NULL, 0); return 1; @@ -685,10 +701,15 @@ bin_zle_call(char *name, char **args, UNUSED(Options ops), UNUSED(char func)) static int bin_zle_invalidate(UNUSED(char *name), UNUSED(char **args), UNUSED(Options ops), UNUSED(char func)) { + /* + * Trash zle if trashable, but only indicate that zle is usable + * if it's possible to call a zle widget next. This is not + * true if a completion widget is active. + */ if (zleactive) { if (!trashedzle) trashzle(); - return 0; + return !zle_usable(); } else return 1; } |