glib curses input-event added (replacement for g_timeout)

1 files changed, 65 insertions, 0 deletions

diff --git a/src/g_curses_input.c b/src/g_curses_input.c
new file mode 100644
index 0000000..d84ddee
--- /dev/null
+++ b/src/g_curses_input.c
@@ -0,0 +1,65 @@
+#include <curses.h>
+#include <glib.h>
+#include "interface.h"
+
+typedef struct _GCursesInput {
+	GSource source;
+	WINDOW *win;
+} GCursesInput;
+
+static gboolean check(GSource *source)
+{
+	GCursesInput *curses_input = (GCursesInput*) source;
+	static int i = 0;
+	i++;
+	gint ch = wgetch(curses_input->win);
+	if (ch != ERR)
+		ungetch(ch);
+	return ch != ERR;
+}
+
+static gboolean prepare(GSource *source, gint *timeout_)
+{
+	*timeout_ = 2;
+	return check(source);
+}
+
+static gboolean dispatch(GSource *source, GSourceFunc callback, gpointer user_data)
+{
+	GCursesInput *curses_input = (GCursesInput*) source;
+	return callback((gpointer)curses_input->win) ? TRUE : FALSE;
+}
+
+static GSourceFuncs SourceFuncs = 
+{
+	.prepare  = prepare,
+	.check    = check,
+	.dispatch = dispatch,
+	.finalize = NULL,
+	.closure_callback = NULL, .closure_marshal = NULL
+};
+
+GSource *g_curses_input_source_new(WINDOW *win) {
+	GSource *source = g_source_new(&SourceFuncs, sizeof(GCursesInput));
+	GCursesInput *curses_input = (GCursesInput*) source;
+	curses_input->win = win;
+	nodelay(win, TRUE); /* important! make wgetch non-blocking */
+	return source;
+}
+
+guint g_curses_input_add_full(gint priority, WINDOW *win, GSourceFunc function, gpointer data, GDestroyNotify notify)
+{
+	g_return_val_if_fail(function != NULL, 0);
+	GSource *source = g_curses_input_source_new(win);
+	if (priority != G_PRIORITY_DEFAULT)
+		g_source_set_priority (source, priority);
+	g_source_set_callback(source, function, data, notify);
+	guint id = g_source_attach(source, NULL);
+	g_source_unref(source);
+	return id;
+}
+
+guint g_curses_input_add(WINDOW *win, GSourceFunc function, gpointer data)
+{
+	return g_curses_input_add_full(G_PRIORITY_DEFAULT, win, function, data, NULL);
+}