From d974dedbfd80e051fc26f9a42ea4f5059823bb86 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Sat, 21 May 2016 22:29:28 +0200
Subject: vis: add function to change window statusbar content

---
 ui-curses.c | 13 +++++++++++++
 ui.h        |  1 +
 vis.c       |  4 ++++
 vis.h       |  2 ++
 4 files changed, 20 insertions(+)

diff --git a/ui-curses.c b/ui-curses.c
index f2f215a..ce4ef03 100644
--- a/ui-curses.c
+++ b/ui-curses.c
@@ -669,6 +669,18 @@ static void ui_window_draw_status(UiWin *w) {
 		mvwaddstr(win->winstatus, 0, win->width - (msg - buf) - 1, buf);
 }
 
+static void ui_window_status(UiWin *w, const char *status) {
+	UiCursesWin *win = (UiCursesWin*)w;
+	if (!win->winstatus)
+		return;
+	UiCurses *uic = win->ui;
+	bool focused = uic->selwin == win;
+	wattrset(win->winstatus, focused ? A_REVERSE|A_BOLD : A_REVERSE);
+	mvwhline(win->winstatus, 0, 0, ' ', win->width);
+	if (status)
+		mvwprintw(win->winstatus, 0, 0, "%s", status);
+}
+
 static void ui_window_draw(UiWin *w) {
 	UiCursesWin *win = (UiCursesWin*)w;
 	if (!ui_window_draw_sidebar(win))
@@ -985,6 +997,7 @@ static UiWin *ui_window_new(Ui *ui, View *view, File *file, enum UiOption option
 	win->uiwin = (UiWin) {
 		.draw = ui_window_draw,
 		.draw_status = ui_window_draw_status,
+		.status = ui_window_status,
 		.options_set = ui_window_options_set,
 		.options_get = ui_window_options_get,
 		.reload = ui_window_reload,
diff --git a/ui.h b/ui.h
index 03857e4..bd48459 100644
--- a/ui.h
+++ b/ui.h
@@ -76,6 +76,7 @@ struct Ui {
 struct UiWin {
 	void (*draw)(UiWin*);
 	void (*draw_status)(UiWin*);
+	void (*status)(UiWin*, const char *txt);
 	void (*reload)(UiWin*, File*);
 	void (*options_set)(UiWin*, enum UiOption);
 	enum UiOption (*options_get)(UiWin*);
diff --git a/vis.c b/vis.c
index 6b5d458..3fabe5b 100644
--- a/vis.c
+++ b/vis.c
@@ -116,6 +116,10 @@ void vis_window_name(Win *win, const char *filename) {
 	}
 }
 
+void vis_window_status(Win *win, const char *status) {
+	win->ui->status(win->ui, status);
+}
+
 static void windows_invalidate(Vis *vis, size_t start, size_t end) {
 	for (Win *win = vis->windows; win; win = win->next) {
 		if (vis->win != win && vis->win->file == win->file) {
diff --git a/vis.h b/vis.h
index 66e42e8..7dde13f 100644
--- a/vis.h
+++ b/vis.h
@@ -93,6 +93,8 @@ void vis_window_close(Win*);
 bool vis_window_split(Win*);
 /* change file name associated with this window, affects syntax coloring */
 void vis_window_name(Win*, const char *filename);
+/* change status message of this window */
+void vis_window_status(Win*, const char *status);
 /* focus the next / previous window */
 void vis_window_next(Vis*);
 void vis_window_prev(Vis*);
-- 
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