vis: rework input handling using libtermkey

Key bindings are now specified as symbolic key strings, this
will eventually allow run time configurable key mappings.

This introduces a bulid time dependency on libtermkey which
can be found at:

 http://www.leonerd.org.uk/code/libtermkey/

1 files changed, 21 insertions, 0 deletions

diff --git a/editor.c b/editor.c
index e06e946..70cc162 100644
--- a/editor.c
+++ b/editor.c
@@ -230,6 +230,27 @@ void editor_suspend(Editor *ed) {
 	ed->ui->suspend(ed->ui);
 }
 
+bool editor_mode_map(Mode *mode, const char *name, KeyBinding *binding) {
+	return map_put(mode->bindings, name, binding);
+}
+
+bool editor_mode_bindings(Mode *mode, KeyBinding **bindings) {
+	if (!mode->bindings)
+		mode->bindings = map_new();
+	if (!mode->bindings)
+		return false;
+	bool success = true;
+	for (KeyBinding *kb = *bindings; kb->key; kb++) {
+		if (!editor_mode_map(mode, kb->key, kb))
+			success = false;
+	}
+	return success;
+}
+
+bool editor_mode_unmap(Mode *mode, const char *name) {
+	return map_delete(mode->bindings, name);
+}
+
 static void window_free(Win *win) {
 	if (!win)
 		return;