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Re-implement XClientMessage handling so that we can feed screen_find and

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client_find valid resources as needed, relieving the need for
screen_find to ungracefully handle invalid root windows. Removes a long
standing XXX.  Should theoretically allow XClientMessage handling on
more than one X screen.  Alter callers of screen_find to handle
failures.
This commit is contained in:
okan 2015-06-30 14:01:43 +00:00
parent 9ea5f25347
commit 8515d717ae
3 changed files with 46 additions and 41 deletions
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3
client.c
View File

@ -55,7 +55,8 @@ client_init(Window win, struct screen_ctx *sc)
return(NULL);
if (sc == NULL) {
sc = screen_find(wattr.root);
if ((sc = screen_find(wattr.root)) == NULL)
return(NULL);
mapped = 1;
} else {
if (wattr.override_redirect || wattr.map_state != IsViewable)

4
screen.c
View File

@ -100,8 +100,8 @@ screen_find(Window win)
if (sc->rootwin == win)
return(sc);
}
/* XXX FAIL HERE */
return(TAILQ_FIRST(&Screenq));
warnx("screen_find failure win 0x%lu\n", win);
return(NULL);
}
void

80
xevents.c
View File

@ -240,7 +240,8 @@ xev_handle_buttonpress(XEvent *ee)
if (e->window != e->root)
return;
cc = &fakecc;
cc->sc = screen_find(e->window);
if ((cc->sc = screen_find(e->window)) == NULL)
return;
}
(*mb->callback)(cc, &mb->argument);
@ -290,7 +291,8 @@ xev_handle_keypress(XEvent *ee)
return;
} else {
cc = &fakecc;
cc->sc = screen_find(e->window);
if ((cc->sc = screen_find(e->window)) == NULL)
return;
}
(*kb->callback)(cc, &kb->argument);
@ -307,7 +309,8 @@ xev_handle_keyrelease(XEvent *ee)
KeySym keysym;
unsigned int i;
sc = screen_find(e->root);
if ((sc = screen_find(e->root)) == NULL)
return;
keysym = XkbKeycodeToKeysym(X_Dpy, e->keycode, 0, 0);
for (i = 0; i < nitems(modkeys); i++) {
@ -325,42 +328,43 @@ xev_handle_clientmessage(XEvent *ee)
struct client_ctx *cc, *old_cc;
struct screen_ctx *sc;
sc = screen_find(e->window);
if ((cc = client_find(e->window)) == NULL && e->window != sc->rootwin)
return;
if (e->message_type == cwmh[WM_CHANGE_STATE] && e->format == 32 &&
e->data.l[0] == IconicState)
client_hide(cc);
if (e->message_type == ewmh[_NET_CLOSE_WINDOW])
client_send_delete(cc);
if (e->message_type == ewmh[_NET_ACTIVE_WINDOW] && e->format == 32) {
if ((old_cc = client_current()))
client_ptrsave(old_cc);
client_ptrwarp(cc);
if (e->message_type == cwmh[WM_CHANGE_STATE]) {
if ((cc = client_find(e->window)) != NULL) {
if (e->data.l[0] == IconicState)
client_hide(cc);
}
} else if (e->message_type == ewmh[_NET_CLOSE_WINDOW]) {
if ((cc = client_find(e->window)) != NULL) {
client_send_delete(cc);
}
} else if (e->message_type == ewmh[_NET_ACTIVE_WINDOW]) {
if ((cc = client_find(e->window)) != NULL) {
if ((old_cc = client_current()))
client_ptrsave(old_cc);
client_ptrwarp(cc);
}
} else if (e->message_type == ewmh[_NET_WM_DESKTOP]) {
if ((cc = client_find(e->window)) != NULL) {
/*
* The EWMH spec states that if the cardinal returned
* is 0xFFFFFFFF (-1) then the window should appear
* on all desktops, in our case, group 0.
*/
if (e->data.l[0] == (unsigned long)-1)
group_movetogroup(cc, 0);
else
group_movetogroup(cc, e->data.l[0]);
}
} else if (e->message_type == ewmh[_NET_WM_STATE]) {
if ((cc = client_find(e->window)) != NULL) {
xu_ewmh_handle_net_wm_state_msg(cc,
e->data.l[0], e->data.l[1], e->data.l[2]);
}
} else if (e->message_type == ewmh[_NET_CURRENT_DESKTOP]) {
if ((sc = screen_find(e->window)) != NULL) {
group_only(sc, e->data.l[0]);
}
}
if (e->message_type == ewmh[_NET_WM_DESKTOP] && e->format == 32) {
/*
* The EWMH spec states that if the cardinal returned is
* 0xFFFFFFFF (-1) then the window should appear on all
* desktops, which in our case is assigned to group 0.
*/
if (e->data.l[0] == (unsigned long)-1)
group_movetogroup(cc, 0);
else
group_movetogroup(cc, e->data.l[0]);
}
if (e->message_type == ewmh[_NET_WM_STATE] && e->format == 32)
xu_ewmh_handle_net_wm_state_msg(cc,
e->data.l[0], e->data.l[1], e->data.l[2]);
if (e->message_type == ewmh[_NET_CURRENT_DESKTOP] && e->format == 32)
group_only(sc, e->data.l[0]);
}
static void