67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
#include "gui.h"
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#include "gui_defs.h"
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#include "x.h"
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#include <sys/select.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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void gui_loop(gui *_gui)
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{
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struct gui *g = _gui;
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int xfd;
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int eventfd;
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int maxfd;
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fd_set rd;
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/* lock not necessary but there for consistency (when instrumenting x.c
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* we need the gui to be locked when calling any function in x.c)
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*/
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glock(g);
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xfd = x_connection_fd(g->x);
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gunlock(g);
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eventfd = g->event_pipe[0];
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if (eventfd > xfd) maxfd = eventfd;
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else maxfd = xfd;
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while (1) {
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glock(g);
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x_flush(g->x);
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gunlock(g);
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FD_ZERO(&rd);
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FD_SET(xfd, &rd);
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FD_SET(eventfd, &rd);
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if (select(maxfd+1, &rd, NULL, NULL, NULL) == -1)
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ERR("select: %s\n", strerror(errno));
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glock(g);
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if (FD_ISSET(xfd, &rd))
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x_events(g);
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if (FD_ISSET(eventfd, &rd)) {
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char c[256];
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if (read(eventfd, c, 256)); /* for no gcc warnings */
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}
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gui_events(g);
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if (g->repainted) {
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struct widget_list *cur;
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g->repainted = 0;
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cur = g->toplevel;
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while (cur) {
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struct toplevel_window_widget *w =
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(struct toplevel_window_widget *)cur->item;
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x_draw(g->x, w->x);
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cur = cur->next;
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}
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}
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gunlock(g);
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}
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}
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