[hackers] [st] x: check we still have an XIC context before accessing it || Quentin Rameau

[git]

commit cd785755f2e3e3305c7d2556a04423a40bce060a
Author:     Quentin Rameau <quinq@fifth.space>
AuthorDate: Sun Feb 2 17:38:36 2020 +0100
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Sun Feb 2 22:56:51 2020 +0100

    x: check we still have an XIC context before accessing it

diff --git a/x.c b/x.c
index 5af6e4d..b488617 100644
--- a/x.c
+++ b/x.c
@@ -1061,6 +1061,7 @@ void
 ximdestroy(XIM xim, XPointer client, XPointer call)
 {
        xw.ime.xim = NULL;
+       xw.ime.xic = NULL;
        XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
                                        ximinstantiate, NULL);
        XFree(xw.ime.spotlist);
@@ -1692,13 +1693,15 @@ focus(XEvent *ev)
                return;
 
        if (ev->type == FocusIn) {
-               XSetICFocus(xw.ime.xic);
+               if (xw.ime.xic)
+                       XSetICFocus(xw.ime.xic);
                win.mode |= MODE_FOCUSED;
                xseturgency(0);
                if (IS_SET(MODE_FOCUS))
                        ttywrite("\033[I", 3, 0);
        } else {
-               XUnsetICFocus(xw.ime.xic);
+               if (xw.ime.xic)
+                       XUnsetICFocus(xw.ime.xic);
                win.mode &= ~MODE_FOCUSED;
                if (IS_SET(MODE_FOCUS))
                        ttywrite("\033[O", 3, 0);