Initial revision

src/libdraw/x11-keyboard.c

@@ -0,0 +1,71 @@
+#include "x11-inc.h"
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <thread.h>
+#include <memdraw.h>
+#include <keyboard.h>
+#include "x11-memdraw.h"
+
+void
+closekeyboard(Keyboardctl *kc)
+{
+	if(kc == nil)
+		return;
+
+/*	postnote(PNPROC, kc->pid, "kill");
+*/
+
+#ifdef BUG
+	/* Drain the channel */
+	while(?kc->c)
+		<-kc->c;
+#endif
+
+	close(kc->ctlfd);
+	close(kc->consfd);
+	free(kc->file);
+	free(kc->c);
+	free(kc);
+}
+
+static
+void
+_ioproc(void *arg)
+{
+	int i;
+	Keyboardctl *kc;
+	Rune r;
+	XEvent xevent;
+
+	kc = arg;
+	threadsetname("kbdproc");
+	kc->pid = getpid();
+	for(;;){
+		XSelectInput(_x.kbdcon, _x.drawable, KeyPressMask);
+		XWindowEvent(_x.kbdcon, _x.drawable, KeyPressMask, &xevent);
+		switch(xevent.type){
+		case KeyPress:
+			i = xtoplan9kbd(&xevent);
+			if(i == -1)
+				continue;
+			r = i;
+			send(kc->c, &r);
+			break;
+		}
+	}
+}
+
+Keyboardctl*
+initkeyboard(char *file)
+{
+	Keyboardctl *kc;
+
+	kc = mallocz(sizeof(Keyboardctl), 1);
+	if(kc == nil)
+		return nil;
+	kc->c = chancreate(sizeof(Rune), 20);
+	proccreate(_ioproc, kc, 4096);
+	return kc;
+}
+