vis: export vis_window_closable

1 files changed, 10 insertions, 0 deletions

diff --git a/vis.c b/vis.c
index b65724c..42bc0a0 100644
--- a/vis.c
+++ b/vis.c
@@ -284,6 +284,12 @@ bool vis_window_new(Vis *vis, const char *filename) {
 	return true;
 }
 
+bool vis_window_closable(Win *win) {
+	if (!text_modified(win->file->text))
+		return true;
+	return win->file->refcount > 1;
+}
+
 void vis_window_close(Win *win) {
 	Vis *vis = win->vis;
 	if (vis->event && vis->event->win_close)
@@ -1090,6 +1096,10 @@ View *vis_view(Vis *vis) {
 	return vis->win->view;
 }
 
+Win *vis_window(Vis *vis) {
+	return vis->win;
+}
+
 Text *vis_file_text(File *file) {
 	return file->text;
 }