From a29d9f0f3c23bfe28c29aa216fd9c5ef809b8246 Mon Sep 17 00:00:00 2001
From: Paul LeoNerd Evans <leonerd@leonerd.org.uk>
Date: Sun, 1 Apr 2012 20:04:01 +0100
Subject: Created a demo to show libtermkey in a GLib-based program

---
 .bzrignore  |  1 +
 Makefile    | 14 ++++++++++++-
 demo-glib.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 79 insertions(+), 1 deletion(-)
 create mode 100644 demo-glib.c

diff --git a/.bzrignore b/.bzrignore
index 3333951..030eb3c 100644
--- a/.bzrignore
+++ b/.bzrignore
@@ -1,6 +1,7 @@
 termkey.h
 demo
 demo-async
+demo-glib
 termkey_getkey.3
 termkey_waitkey.3
 *.lo
diff --git a/Makefile b/Makefile
index 472bada..14efe91 100644
--- a/Makefile
+++ b/Makefile
@@ -32,6 +32,12 @@ endif
 OBJECTS=termkey.lo driver-csi.lo driver-ti.lo
 LIBRARY=libtermkey.la
 
+DEMOS=demo demo-async
+
+ifeq ($(shell pkg-config glib-2.0 && echo 1),1)
+  DEMOS+=demo-glib
+endif
+
 TESTSOURCES=$(wildcard t/[0-9]*.c)
 TESTFILES=$(TESTSOURCES:.c=.t)
 
@@ -49,7 +55,7 @@ MANDIR=$(PREFIX)/share/man
 MAN3DIR=$(MANDIR)/man3
 MAN7DIR=$(MANDIR)/man7
 
-all: $(LIBRARY) demo demo-async
+all: $(LIBRARY) $(DEMOS)
 
 %.lo: %.c termkey.h termkey-internal.h
 	$(LIBTOOL) --mode=compile --tag=CC gcc $(CFLAGS) -o $@ -c $<
@@ -63,6 +69,12 @@ demo: $(LIBRARY) demo.lo
 demo-async: $(LIBRARY) demo-async.lo
 	$(LIBTOOL) --mode=link --tag=CC gcc -o $@ $^
 
+demo-glib.lo: demo-glib.c termkey.h
+	$(LIBTOOL) --mode=compile --tag=CC gcc -o $@ -c $< $(shell pkg-config glib-2.0 --cflags)
+
+demo-glib: $(LIBRARY) demo-glib.lo
+	$(LIBTOOL) --mode=link --tag=CC gcc -o $@ $^ $(shell pkg-config glib-2.0 --libs)
+
 t/%.t: t/%.c $(LIBRARY) t/taplib.lo
 	$(LIBTOOL) --mode=link --tag=CC gcc -o $@ $^
 
diff --git a/demo-glib.c b/demo-glib.c
new file mode 100644
index 0000000..7dc8d87
--- /dev/null
+++ b/demo-glib.c
@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <glib.h>
+
+#include "termkey.h"
+
+static TermKey *tk;
+static int timeout_id;
+
+static void on_key(TermKey *tk, TermKeyKey *key)
+{
+  char buffer[50];
+  termkey_strfkey(tk, buffer, sizeof buffer, key, TERMKEY_FORMAT_VIM);
+  printf("%s\n", buffer);
+}
+
+static gboolean key_timer(gpointer data)
+{
+  TermKeyKey key;
+
+  if(termkey_getkey_force(tk, &key) == TERMKEY_RES_KEY)
+    on_key(tk, &key);
+
+  return FALSE;
+}
+
+static gboolean stdin_io(GIOChannel *source, GIOCondition condition, gpointer data)
+{
+  if(condition && G_IO_IN) {
+    if(timeout_id)
+      g_source_remove(timeout_id);
+
+    termkey_advisereadable(tk);
+
+    TermKeyResult ret;
+    TermKeyKey key;
+    while((ret = termkey_getkey(tk, &key)) == TERMKEY_RES_KEY) {
+      on_key(tk, &key);
+    }
+
+    if(ret == TERMKEY_RES_AGAIN)
+      timeout_id = g_timeout_add(termkey_get_waittime(tk), key_timer, NULL);
+  }
+
+  return TRUE;
+}
+
+int main(int argc, char *argv[])
+{
+  TERMKEY_CHECK_VERSION;
+
+  tk = termkey_new(0, 0);
+
+  if(!tk) {
+    fprintf(stderr, "Cannot allocate termkey instance\n");
+    exit(1);
+  }
+
+  GMainLoop *loop = g_main_loop_new(NULL, FALSE);
+
+  g_io_add_watch(g_io_channel_unix_new(0), G_IO_IN, stdin_io, NULL);
+
+  g_main_loop_run(loop);
+
+  termkey_destroy(tk);
+}
-- 
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