ncurses_windows: testing a box with max size which always fits in root window.

1 files changed, 57 insertions, 0 deletions

diff --git a/ncurses_windows.c b/ncurses_windows.c
new file mode 100644
index 0000000..702aa27
--- /dev/null
+++ b/ncurses_windows.c
@@ -0,0 +1,57 @@
+// -*- compile-command: "make LDLIBS=-lncurses ncurses_windows" -*-
+#include <stdio.h>
+#include <stdlib.h>
+#include <ncurses.h>
+#include <unistd.h>
+
+#define WIDTH 20
+#define HEIGHT 10
+
+int main(void)
+{
+	WINDOW *box;
+	int c;
+
+	initscr();
+	cbreak();
+	noecho();
+	nonl();
+	intrflush(stdscr, FALSE);
+	keypad(stdscr, TRUE);
+	start_color();
+
+	init_pair(1, COLOR_WHITE, COLOR_BLUE);
+	init_pair(2, COLOR_WHITE, COLOR_RED);
+
+	box = derwin(stdscr, 10, 10, 10, 10);
+
+	bkgd(COLOR_PAIR(1));
+	wbkgd(box, COLOR_PAIR(2));
+
+	while ((c = getch()) != EOF) {
+		if (c == KEY_RESIZE) {
+			int x, y, width, height;
+
+			erase();
+
+			getmaxyx(stdscr, y, x);
+
+			width = x < WIDTH ? x : WIDTH;
+			height = y < HEIGHT ? y : HEIGHT;
+
+			wresize(box, height, width);
+
+			mvderwin(box, (y - height) / 2, (x - width) / 2);
+
+			bkgd(COLOR_PAIR(1));
+
+			wbkgd(box, COLOR_PAIR(2));
+
+			box(box, 0, 0);
+
+			refresh();
+		}
+	}
+
+	return EXIT_SUCCESS;
+}