1 files changed, 26 insertions, 16 deletions

diff --git a/st.c b/st.c
index 36ff43c..436533c 100644
--- a/st.c
+++ b/st.c
@@ -108,6 +108,7 @@ typedef struct {
         int bufh; /* pixmap height */
         int ch; /* char height */
         int cw; /* char width  */
+        int hasfocus;
 } XWindow; 
 
 typedef struct {
@@ -161,23 +162,27 @@ static void ttyread(void);
 static void ttyresize(int, int);
 static void ttywrite(const char *, size_t);
 
-static void xbell(void);
 static void xdraws(char *, Glyph, int, int, int);
 static void xhints(void);
 static void xclear(int, int, int, int);
 static void xdrawcursor(void);
 static void xinit(void);
 static void xloadcols(void);
+static void xseturgency(int);
 
 static void expose(XEvent *);
 static char* kmap(KeySym);
 static void kpress(XEvent *);
 static void resize(XEvent *);
+static void focus(XEvent *);
+
 
 static void (*handler[LASTEvent])(XEvent *) = {
         [KeyPress] = kpress,
         [Expose] = expose,
-        [ConfigureNotify] = resize
+        [ConfigureNotify] = resize,
+        [FocusIn] = focus,
+        [FocusOut] = focus,
 };
 
 /* Globals */
@@ -187,7 +192,6 @@ static Term term;
 static CSIEscape escseq;
 static int cmdfd;
 static pid_t pid;
-static int running;
 
 #ifdef DEBUG
 void
@@ -227,15 +231,6 @@ execsh(void) {
         execvp(args[0], args);
 }
 
-void
-xbell(void) {
-        XSetForeground(xw.dis, dc.gc, dc.col[BellCol]);
-        XFillRectangle(xw.dis, xw.win, dc.gc, BORDER, BORDER, xw.bufw, xw.bufh);
-        XFlush(xw.dis);
-        usleep(BellTime);
-        draw(SCREEN_REDRAW);
-}
-
 void 
 sigchld(int a) {
         int stat = 0;
@@ -930,7 +925,8 @@ tputc(char c) {
                         tnewline();
                         break;
                 case '\a':
-                        xbell();
+                        if(!xw.hasfocus)
+                                xseturgency(1);
                         break;
                 case '\033':
                         csireset();
@@ -1208,6 +1204,20 @@ expose(XEvent *ev) {
         draw(SCREEN_REDRAW);
 }
 
+void
+xseturgency(int add) {
+        XWMHints *h = XGetWMHints(xw.dis, xw.win);
+        h->flags = add ? (h->flags | XUrgencyHint) : (h->flags & ~XUrgencyHint);
+        XSetWMHints(xw.dis, xw.win, h);
+        XFree(h);
+}
+
+void
+focus(XEvent *ev) {
+        if((xw.hasfocus = ev->type == FocusIn))
+                xseturgency(0);
+}
+
 char*
 kmap(KeySym k) {
         int i;
@@ -1282,12 +1292,12 @@ run(void) {
         XEvent ev;
         fd_set rfd;
         int xfd = XConnectionNumber(xw.dis);
+        long mask = ExposureMask | KeyPressMask | StructureNotifyMask | FocusChangeMask;
 
-        running = 1;
-        XSelectInput(xw.dis, xw.win, ExposureMask | KeyPressMask | StructureNotifyMask);
+        XSelectInput(xw.dis, xw.win, mask);
         XResizeWindow(xw.dis, xw.win, xw.w, xw.h); /* XXX: fix resize bug in wmii (?) */
 
-        while(running) {
+        while(1) {
                 FD_ZERO(&rfd);
                 FD_SET(cmdfd, &rfd);
                 FD_SET(xfd, &rfd);