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[x11] Protect XInput2 and XFixes code

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This will allow QF to be built in the unlikely event XInput2 or XFixes
are not available. nq-x11 seemed to work nicely with both disabled.
This commit is contained in:
Bill Currie 2021-11-24 02:06:22 +09:00
parent b45acf7974
commit 67735182d7
1 changed files with 21 additions and 2 deletions
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23
libs/video/targets/in_x11.c
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@ -143,12 +143,16 @@ static IE_mouse_event_t x11_mouse;
static IE_key_event_t x11_key;
static int input_grabbed = 0;
#ifdef HAVE_XI2
static int xi_opcode;
#endif
#ifdef HAVE_XFIXES
static int xf_opcode;
static PointerBarrier x11_left_barrier;
static PointerBarrier x11_right_barrier;
static PointerBarrier x11_top_barrier;
static PointerBarrier x11_bottom_barrier;
#endif
static int x11_have_xi;
static int x11_fd;
static int x11_driver_handle = -1;
@ -882,6 +886,7 @@ event_key (XEvent *event)
}
}
#ifdef HAVE_XI2
static void
xi_raw_key (void *event, int press)
{
@ -1039,6 +1044,7 @@ event_generic (XEvent *event)
XFreeEventData (x_disp, cookie);
}
#endif
static void
grab_error (int code, const char *device)
@ -1071,10 +1077,12 @@ in_x11_grab_input (void *data, int grab)
if (!x_disp || !x_win)
return;
#ifdef HAVE_XFIXES
if (xf_opcode) {
input_grabbed = grab;
return;
}
#endif
if (vid_fullscreen)
grab = grab || vid_fullscreen->int_val;
@ -1300,6 +1308,7 @@ x11_add_device (x11_device_t *dev)
dev->devid = IN_AddDevice (x11_driver_handle, dev, dev->name, dev->name);
}
#ifdef HAVE_XI2
static int
in_x11_check_xi2 (void)
{
@ -1387,7 +1396,9 @@ in_x11_xi_setup_grabs (void)
XIGrabEnter (x_disp, dev, x_win, None, XIGrabModeAsync, XIGrabModeAsync,
0, &evmask, 1, &modif);
}
#endif
#ifdef HAVE_XFIXES
static void
in_x11_setup_barriers (int xpos, int ypos, int xlen, int ylen)
{
@ -1421,12 +1432,16 @@ in_x11_setup_barriers (int xpos, int ypos, int xlen, int ylen)
lx-1, by, rx+1, by,
BarrierNegativeY, 0, 0);
}
#endif
static void
x11_app_window (const IE_event_t *ie_event)
{
#ifdef HAVE_XFIXES
//FIXME aw may be needed even without XFixes when resizing is supported
__auto_type aw = ie_event->app_window;
in_x11_setup_barriers (aw.xpos, aw.ypos, aw.xlen, aw.ylen);
#endif
}
static int
@ -1452,9 +1467,9 @@ IN_X11_Preinit (void)
long event_mask = X11_INPUT_MASK;
x11_event_handler_id = IE_Add_Handler (x11_event_handler, 0);
#ifdef HAVE_XI2
x11_have_xi = in_x11_check_xi2 ();
#endif
X11_AddEvent (KeyPress, &event_key);
X11_AddEvent (KeyRelease, &event_key);
X11_AddEvent (FocusIn, &event_focusin);
@ -1464,7 +1479,9 @@ IN_X11_Preinit (void)
X11_AddEvent (LeaveNotify, &leave_notify);
if (x11_have_xi) {
#ifdef HAVE_XI2
X11_AddEvent (GenericEvent, &event_generic);
#endif
} else {
X11_AddEvent (MotionNotify, &event_motion);
X11_AddEvent (ButtonPress, &event_button);
@ -1485,8 +1502,10 @@ IN_X11_Postinit (void)
Sys_Error ("IN: No window!!");
if (x11_have_xi) {
#ifdef HAVE_XI2
in_x11_xi_select_events ();
in_x11_xi_setup_grabs ();
#endif
} else {
dga_avail = VID_CheckDGA (x_disp, NULL, NULL, NULL);
Sys_MaskPrintf (SYS_vid, "VID_CheckDGA returned %d\n",