[dev] [st] Support UTF8 clipboard

[Petr Sabata]

This patch adds UTF8 clipboard support via UTF8_STRING, if it's available. This
is needed to correctly exchange UTF8 data with other applications.

-- Petr

---
 st.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/st.c b/st.c
index 561d5b0..366f681 100644
--- a/st.c
+++ b/st.c
@@ -248,6 +248,7 @@ static CSIEscape escseq;
 static int cmdfd;
 static pid_t pid;
 static Selection sel;
+static Atom seltarget;
 static char **opt_cmd  = NULL;
 static char *opt_title = NULL;
 static char *opt_class = NULL;
@@ -370,6 +371,9 @@ selinit(void) {
        sel.mode = 0;
        sel.bx = -1;
        sel.clip = NULL;
+       seltarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
+       if (seltarget == None)
+               seltarget = XA_STRING;
 }
 
 static inline int 
@@ -453,7 +457,7 @@ selnotify(XEvent *e) {
 
 void
 selpaste() {
-       XConvertSelection(xw.dpy, XA_PRIMARY, XA_STRING, XA_PRIMARY, xw.win, 
CurrentTime);
+       XConvertSelection(xw.dpy, XA_PRIMARY, seltarget, XA_PRIMARY, xw.win, 
CurrentTime);
 }
 
 void
@@ -474,12 +478,12 @@ selrequest(XEvent *e) {
        xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
        if(xsre->target == xa_targets) {
                /* respond with the supported type */
-               Atom string = XA_STRING;
+               Atom string = seltarget;
                XChangeProperty(xsre->display, xsre->requestor, xsre->property,
                                XA_ATOM, 32, PropModeReplace,
                                (unsigned char *) &string, 1);
                xev.property = xsre->property;
-       } else if(xsre->target == XA_STRING) {
+       } else if(xsre->target == seltarget || xsre->target == XA_STRING) {
                XChangeProperty(xsre->display, xsre->requestor, xsre->property,
                                xsre->target, 8, PropModeReplace,
                                (unsigned char *) sel.clip, strlen(sel.clip));
-- 
1.7.4