tsrc/cmd/acme: provide info on presense or absence of undo history (#528) - plan9port - [fork] Plan 9 from user space
HTML git clone git://src.adamsgaard.dk/plan9port
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit d0d440860f2000a1560abb3f593cdc325fcead4c
DIR parent 7b0b2065faf449f820b092afb74cf0af2dae79a3
HTML Author: Roger Peppe <rogpeppe@gmail.com>
Date: Tue, 19 Oct 2021 17:08:45 +0100
src/cmd/acme: provide info on presense or absence of undo history (#528)
It's sometimes useful to know whether there's been editing activity
in a window. This PR adds that information to the ctl file.
Change-Id: I21a342ac636dd5c7701b3ed560e3526867329c2c
Diffstat:
M man/man4/acme.4 | 7 ++++---
M src/cmd/acme/fns.h | 2 ++
M src/cmd/acme/wind.c | 4 ++--
3 files changed, 8 insertions(+), 5 deletions(-)
---
DIR diff --git a/man/man4/acme.4 b/man/man4/acme.4
t@@ -184,9 +184,10 @@ is always appended; the file offset is ignored.
.B ctl
may be read to recover the five numbers as held in the
.B index
-file, described above, plus three more fields: the width of the
-window in pixels, the name of the font used in the window,
-and the width of a tab character in pixels.
+file, described above, plus five more fields: the width of the
+window in pixels; the name of the font used in the window;
+the width of a tab character in pixels; a 1 if there is undo history, 0 otherwise;
+a 1 if there is redo history, 0 otherwise.
Text messages may be written to
.B ctl
to affect the window.
DIR diff --git a/src/cmd/acme/fns.h b/src/cmd/acme/fns.h
t@@ -25,6 +25,8 @@ void savemouse(Window*);
int restoremouse(Window*);
void clearmouse(void);
void allwindows(void(*)(Window*, void*), void*);
+uint seqof(Window*, int);
+
uint loadfile(int, uint, int*, int(*)(void*, uint, Rune*, int), void*, DigestState*);
void movetodel(Window*);
DIR diff --git a/src/cmd/acme/wind.c b/src/cmd/acme/wind.c
t@@ -689,8 +689,8 @@ winctlprint(Window *w, char *buf, int fonts)
sprint(buf, "%11d %11d %11d %11d %11d ", w->id, w->tag.file->b.nc,
w->body.file->b.nc, w->isdir, w->dirty);
if(fonts)
- return smprint("%s%11d %q %11d ", buf, Dx(w->body.fr.r),
- w->body.reffont->f->name, w->body.fr.maxtab);
+ return smprint("%s%11d %q %11d %11d %11d ", buf, Dx(w->body.fr.r),
+ w->body.reffont->f->name, w->body.fr.maxtab, seqof(w, 1) != 0, seqof(w, 0) != 0);
return buf;
}