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[x11] Use select for checking input 

It seems that there's always some incoming event anyway (possibly due to
the constant screen updates) so it doesn't make much difference
currently.
This commit is contained in:
Bill Currie 2021-09-27 11:24:35 +09:00
parent 7f408351b9
commit 9732952709
1 changed files with 19 additions and 3 deletions
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22
libs/video/targets/in_x11.c
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@ -87,6 +87,8 @@ static qboolean dga_active;
static int p_mouse_x, p_mouse_y; static int p_mouse_x, p_mouse_y;
static int input_grabbed = 0; static int input_grabbed = 0;
static int x11_fd;
static void static void
dga_on (void) dga_on (void)
{ {
@ -781,9 +783,20 @@ in_x11_grab_input (void *data, int grab)
} }
static void static void
in_x11_process_events (void *data) in_x11_add_select (fd_set *fdset, int *maxfd, void *data)
{ {
X11_ProcessEvents (); // Get events from X server. FD_SET (x11_fd, fdset);
if (*maxfd < x11_fd) {
*maxfd = x11_fd;
}
}
static void
in_x11_check_select (fd_set *fdset, void *data)
{
if (FD_ISSET (x11_fd, fdset)) {
X11_ProcessEvents (); // Get events from X server.
}
} }
static void static void
@ -825,6 +838,8 @@ in_x11_init (void *data)
X11_OpenDisplay (); // call to increment the reference counter X11_OpenDisplay (); // call to increment the reference counter
x11_fd = ConnectionNumber (x_disp);
{ {
int attribmask = CWEventMask; int attribmask = CWEventMask;
@ -870,7 +885,8 @@ in_x11_clear_states (void *data)
static in_driver_t in_x11_driver = { static in_driver_t in_x11_driver = {
.init = in_x11_init, .init = in_x11_init,
.shutdown = in_x11_shutdown, .shutdown = in_x11_shutdown,
.process_events = in_x11_process_events, .add_select = in_x11_add_select,
.check_select = in_x11_check_select,
.clear_states = in_x11_clear_states, .clear_states = in_x11_clear_states,
.grab_input = in_x11_grab_input, .grab_input = in_x11_grab_input,
}; };