fixed focus steeling bug done by clients like opera - dwm - dynamic window manager
 (HTM) git clone https://git.parazyd.org/dwm
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       ---
 (DIR) commit 68ff133857244347cc6c8512040f1eb32fe2ed2f
 (DIR) parent 4380db468aa81f73e3a31f434bc5bd4a2fe35bf0
 (HTM) Author: Anselm R. Garbe <garbeam@gmail.com>
       Date:   Sat, 17 Nov 2007 19:59:13 +0100
       
       fixed focus steeling bug done by clients like opera
       Diffstat:
         M dwm.c                               |      15 ++++++++++++---
       
       1 file changed, 12 insertions(+), 3 deletions(-)
       ---
 (DIR) diff --git a/dwm.c b/dwm.c
       @@ -137,6 +137,7 @@ void eprint(const char *errstr, ...);
        void expose(XEvent *e);
        void floating(void); /* default floating layout */
        void focus(Client *c);
       +void focusin(XEvent *e);
        void focusnext(const char *arg);
        void focusprev(const char *arg);
        Client *getclient(Window w);
       @@ -206,9 +207,10 @@ void (*handler[LASTEvent]) (XEvent *) = {
                [ConfigureNotify] = configurenotify,
                [DestroyNotify] = destroynotify,
                [EnterNotify] = enternotify,
       -        [LeaveNotify] = leavenotify,
                [Expose] = expose,
       +        [FocusIn] = focusin,
                [KeyPress] = keypress,
       +        [LeaveNotify] = leavenotify,
                [MappingNotify] = mappingnotify,
                [MapRequest] = maprequest,
                [PropertyNotify] = propertynotify,
       @@ -710,6 +712,14 @@ focus(Client *c) {
        }
        
        void
       +focusin(XEvent *e) { /* there are some broken focus acquiring clients */
       +        XFocusChangeEvent *ev = &e->xfocus;
       +
       +        if(sel && ev->window != sel->win)
       +                XSetInputFocus(dpy, sel->win, RevertToPointerRoot, CurrentTime);
       +}
       +
       +void
        focusnext(const char *arg) {
                Client *c;
        
       @@ -1026,8 +1036,7 @@ manage(Window w, XWindowAttributes *wa) {
                XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
                configure(c); /* propagates border_width, if size doesn't change */
                updatesizehints(c);
       -        XSelectInput(dpy, w,
       -                StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
       +        XSelectInput(dpy, w, EnterWindowMask | FocusChangeMask | PropertyChangeMask | StructureNotifyMask);
                grabbuttons(c, False);
                updatetitle(c);
                if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))