vis

commit b960e6f06fc8759bf46722385033d9cdc1166808
parent 2b7166d700668ae2ed9db1c2bc45487543faf65b
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Thu,  7 Apr 2016 17:54:12 +0200

vis: cleanup window focusing code

Diffstat:
M
vis.c
 | 
21
+++++++++++++--------
M
vis.h
 | 
2
++

2 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/vis.c b/vis.c
@@ -226,24 +226,29 @@ bool vis_window_split(Win *original) {
 	return true;
 }
 
+void vis_window_focus(Win *win) {
+	if (!win)
+		return;
+	Vis *vis = win->vis;
+	vis->win = win;
+	vis->ui->window_focus(win->ui);
+}
+
 void vis_window_next(Vis *vis) {
 	Win *sel = vis->win;
 	if (!sel)
 		return;
-	vis->win = vis->win->next;
-	if (!vis->win)
-		vis->win = vis->windows;
-	vis->ui->window_focus(vis->win->ui);
+	vis_window_focus(sel->next ? sel->next : vis->windows);
 }
 
 void vis_window_prev(Vis *vis) {
 	Win *sel = vis->win;
 	if (!sel)
 		return;
-	vis->win = vis->win->prev;
-	if (!vis->win)
-		for (vis->win = vis->windows; vis->win->next; vis->win = vis->win->next);
-	vis->ui->window_focus(vis->win->ui);
+	sel = sel->prev;
+	if (!sel)
+		for (sel = vis->windows; sel->next; sel = sel->next);
+	vis_window_focus(sel);
 }
 
 void vis_draw(Vis *vis) {
diff --git a/vis.h b/vis.h
@@ -81,6 +81,8 @@ void vis_window_name(Win*, const char *filename);
 /* focus the next / previous window */
 void vis_window_next(Vis*);
 void vis_window_prev(Vis*);
+/* change currently focused window, receiving user input */
+void vis_window_focus(Win*);
 /* display a user prompt with a certain title and default text */
 void vis_prompt_show(Vis*, const char *title);