andlabs-ui/redo/modalqueue.c

49 lines
748 B
C
Raw Normal View History

// 19 august 2014
#include <stdlib.h>
#include "modalqueue.h"
static struct {
int inmodal;
void **queue;
size_t len;
size_t cap;
} mq = { 0, NULL, 0, 0 };
void beginModal(void)
{
mq.inmodal = 1;
if (mq.queue == NULL) {
mq.cap = 128;
mq.queue = (void **) malloc(mq.cap * sizeof (void *));
if (mq.queue == NULL)
abort();//TODO
mq.len = 0;
}
}
void endModal(void)
{
size_t i;
mq.inmodal = 0;
for (i = 0; i < mq.len; i++)
doissue(mq.queue[i]);
mq.len = 0;
}
int queueIfModal(void *what)
{
if (!mq.inmodal)
return 0;
mq.queue[mq.len] = what;
mq.len++;
if (mq.len >= mq.cap) {
mq.cap *= 2;
mq.queue = (void **) realloc(mq.queue, mq.cap * sizeof (void *));
if (mq.queue == NULL)
abort();//TODO
}
return 1;
}