From e39b8b19286e7c6054953a88935442ec29a68eec Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Tue, 2 Dec 2003 03:42:46 +0000
Subject: More X11 snarf tweaks. Will we ever finish?

---
 plumb/basic               |  8 +++++---
 src/cmd/mkfile            |  2 +-
 src/libdraw/x11-init.c    |  4 ++++
 src/libdraw/x11-itrans.c  | 31 ++++++++++++++++++++++++-------
 src/libdraw/x11-memdraw.h |  4 ++++
 5 files changed, 38 insertions(+), 11 deletions(-)

diff --git a/plumb/basic b/plumb/basic
index d897fcde..514deb30 100644
--- a/plumb/basic
+++ b/plumb/basic
@@ -57,7 +57,7 @@ data set	$file
 attr add	addr=$3
 plumb to edit
 plumb start /usr/local/plan9/bin/B $file
-#plumb client window $editor
+# plumb client window $editor
 
 # .h files are looked up in /sys/include and passed to edit
 type is text
@@ -66,7 +66,8 @@ arg isfile	/sys/include/$1
 data set	$file
 attr add	addr=$3
 plumb to edit
-plumb client window $editor
+plumb start /usr/local/plan9/bin/B $file
+# plumb client window $editor
 
 # .m files are looked up in /sys/module and passed to edit
 type is text
@@ -75,7 +76,8 @@ arg isfile	/sys/module/$1
 data set	$file
 attr add	addr=$3
 plumb to edit
-plumb client window $editor
+plumb start /usr/local/plan9/bin/B $file
+# plumb client window $editor
 
 # faces -> new mail window for message
 type	is	text
diff --git a/src/cmd/mkfile b/src/cmd/mkfile
index 0f0ab112..b8a63c57 100644
--- a/src/cmd/mkfile
+++ b/src/cmd/mkfile
@@ -6,7 +6,7 @@ LDFLAGS=$LDFLAGS -lsec -lregexp9 -l9 -lbio -lfmt -lutf
 
 <$PLAN9/src/mkmany
 
-BUGGERED='CVS|oplumb|plumb|plumb2|mk|vac|9term|venti'
+BUGGERED='CVS|oplumb|plumb|plumb2|mk|vac|9term|venti|htmlfmt'
 DIRS=`ls -l |sed -n 's/^d.* //p' |egrep -v "$BUGGERED"`
 
 <$PLAN9/src/mkdirs
diff --git a/src/libdraw/x11-init.c b/src/libdraw/x11-init.c
index a83d5b9d..085082df 100644
--- a/src/libdraw/x11-init.c
+++ b/src/libdraw/x11-init.c
@@ -379,6 +379,10 @@ xattach(char *label)
 	 * Look up clipboard atom.
 	 */
 	_x.clipboard = XInternAtom(_x.display, "CLIPBOARD", False);
+	_x.utf8string = XInternAtom(_x.display, "UTF8_STRING", False);
+	_x.targets = XInternAtom(_x.display, "TARGETS", False);
+	_x.text = XInternAtom(_x.display, "TEXT", False);
+	_x.compoundtext = XInternAtom(_x.display, "COMPOUND_TEXT", False);
 
 	/*
 	 * Lots of display connections for various procs.
diff --git a/src/libdraw/x11-itrans.c b/src/libdraw/x11-itrans.c
index 337bf5b6..0c992449 100644
--- a/src/libdraw/x11-itrans.c
+++ b/src/libdraw/x11-itrans.c
@@ -378,6 +378,9 @@ xgetsnarf(XDisplay *xd)
 	 * come, and we have no way to time out.  Instead, we will clear
 	 * local property #1, request our buddy to fill it in for us, and poll
 	 * until he's done or we get tired of waiting.
+	 *
+	 * We should try to go for _x.utf8string instead of XA_STRING,
+	 * but that would add to the polling.
 	 */
 	prop = 1;
 	XChangeProperty(xd, _x.drawable, prop, XA_STRING, 8, PropModeReplace, (uchar*)"", 0);
@@ -392,7 +395,7 @@ xgetsnarf(XDisplay *xd)
 			break;
 		lastlen = len;
 	}
-	if(i == 30){
+	if(i == 10){
 		data = nil;
 		goto out;
 	}
@@ -400,7 +403,7 @@ xgetsnarf(XDisplay *xd)
 	data = nil;
 	XGetWindowProperty(xd, _x.drawable, prop, 0, SnarfSize/sizeof(ulong), 0, 
 		AnyPropertyType, &type, &fmt, &len, &dummy, &xdata);
-	if(type != XA_STRING || len == 0){
+	if((type != XA_STRING && type != _x.utf8string) || len == 0){
 		if(xdata)
 			XFree(xdata);
 		data = nil;
@@ -444,19 +447,33 @@ xputsnarf(XDisplay *xd, char *data)
 int
 xselect(XEvent *e, XDisplay *xd)
 {
+	char *name;
 	XEvent r;
 	XSelectionRequestEvent *xe;
+	Atom a[4];
 
 	memset(&r, 0, sizeof r);
 	xe = (XSelectionRequestEvent*)e;
-	if(1 || xe->target == XA_STRING){
+if(0) fprint(2, "xselect target=%d requestor=%d property=%d selection=%d\n",
+	xe->target, xe->requestor, xe->property, xe->selection);
+	r.xselection.property = xe->property;
+	if(xe->target == _x.targets){
+		a[0] = XA_STRING;
+		a[1] = _x.utf8string;
+		a[2] = _x.text;
+		a[3] = _x.compoundtext;
+
+		XChangeProperty(xd, xe->requestor, xe->property, xe->target,
+			8, PropModeReplace, (uchar*)a, sizeof a);
+	}else if(xe->target == XA_STRING || xe->target == _x.utf8string || xe->target == _x.text || xe->target == _x.compoundtext){
+		/* if the target is STRING we're supposed to reply with Latin1 XXX */
 		qlock(&clip.lk);
-		XChangeProperty(xd, xe->requestor, xe->property, XA_STRING, 8,
-			PropModeReplace, (uchar*)clip.buf, strlen(clip.buf)+1);
+		XChangeProperty(xd, xe->requestor, xe->property, xe->target,
+			8, PropModeReplace, (uchar*)clip.buf, strlen(clip.buf));
 		qunlock(&clip.lk);
-		r.xselection.property = xe->property;
 	}else{
-		fprint(2, "asked for a %d\n", xe->target);
+		name = XGetAtomName(xd, xe->target);
+		fprint(2, "%s: cannot handle selection request for '%s' (%d)\n", argv0, name, (int)xe->target);
 		r.xselection.property = None;
 	}
 
diff --git a/src/libdraw/x11-memdraw.h b/src/libdraw/x11-memdraw.h
index 1b1012be..afd47ccc 100644
--- a/src/libdraw/x11-memdraw.h
+++ b/src/libdraw/x11-memdraw.h
@@ -65,6 +65,10 @@ struct Xprivate {
 	XVisual		*vis;
 	u32int		white;
 	Atom		clipboard;
+	Atom		utf8string;
+	Atom		targets;
+	Atom		text;
+	Atom		compoundtext;
 	uint		putsnarf;
 	uint		assertsnarf;
 	int		destroyed;
-- 
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