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mieq: annotate with some more comments

This commit is contained in:
Daniel Stone 2006-11-04 21:20:45 +02:00 committed by Daniel Stone
parent 578899139f
commit c51fadc07d
1 changed files with 6 additions and 2 deletions
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8
mi/mieq.c
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@ -58,7 +58,7 @@ typedef struct _Event {
xEvent event[7];
int nevents;
ScreenPtr pScreen;
DeviceIntPtr pDev;
DeviceIntPtr pDev; /* device this event _originated_ from */
} EventRec, *EventPtr;
typedef struct _EventQueue {
@ -136,7 +136,9 @@ mieqEnqueue(DeviceIntPtr pDev, xEvent *e)
newtail = oldtail + 1;
if (newtail == QUEUE_SIZE)
newtail = 0;
/* Toss events which come in late */
/* Toss events which come in late. Usually this means your server's
* stuck in an infinite loop somewhere, but SIGIO is still getting
* handled. */
if (newtail == miEventQueue.head) {
ErrorF("tossed event which came in late\n");
return;
@ -200,6 +202,8 @@ mieqProcessInputEvents()
else
++miEventQueue.head;
/* If this is a core event, make sure our keymap, et al, is
* changed to suit. */
if (e->event[0].u.u.type == KeyPress ||
e->event[0].u.u.type == KeyRelease) {
SwitchCoreKeyboard(e->pDev);