Adding the patch of David Dufberg Töttrup to implement WM_DELETE_WINDOW. Thank you!

1 files changed, 12 insertions, 3 deletions

diff --git a/st.c b/st.c
index 7ae9d8c..1ac7fde 100644
--- a/st.c
+++ b/st.c
@@ -197,7 +197,7 @@ typedef struct {
         Colormap cmap;
         Window win;
         XdbeBackBuffer buf;
-        Atom xembed;
+        Atom xembed, wmdeletewin;
         XIM xim;
         XIC xic;
         XftDraw *xft_draw;
@@ -850,12 +850,15 @@ execsh(void) {
 void
 sigchld(int a) {
         int stat = 0;
+
         if(waitpid(pid, &stat, 0) < 0)
                 die("Waiting for pid %hd failed: %s\n", pid, SERRNO);
-        if(WIFEXITED(stat))
+
+        if(WIFEXITED(stat)) {
                 exit(WEXITSTATUS(stat));
-        else
+        } else {
                 exit(EXIT_FAILURE);
+        }
 }
 
 void
@@ -2173,6 +2176,8 @@ xinit(void) {
                 &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
 
         xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
+        xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
+        XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
 
         xresettitle();
         XMapWindow(xw.dpy, xw.win);
@@ -2475,6 +2480,10 @@ cmessage(XEvent *e) {
                 } else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
                         xw.state &= ~WIN_FOCUSED;
                 }
+        } else if(e->xclient.data.l[0] == xw.wmdeletewin) {
+                /* Send SIGHUP to shell */
+                kill(pid, SIGHUP);
+                exit(EXIT_SUCCESS);
         }
 }