[Powertop] [PATCH] tab_window: null members on construction

[Sergey Senozhatsky <sergey.senozhatsky at gmail.com>]

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introduce tab_window ctor and null memebers during construction. show_tab() may be
called before window_refresh() [which sets ypad_pos and xpad_pos to 0], causing prefresh()
call with uninit win->ypad_pos, win->xpad_pos args.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky(a)gmail.com>

---

 src/display.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/display.h b/src/display.h
index b450f8b..9af3ec0 100644
--- a/src/display.h
+++ b/src/display.h
@@ -53,6 +53,14 @@ public:
 	short int xpad_pos, ypad_pos; 
 	WINDOW *win;
 
+	tab_window() {
+		cursor_pos = 0;
+		cursor_max = 0;
+		xpad_pos =0;
+		ypad_pos = 0;
+		win = NULL;
+	}
+
 	virtual void cursor_down(void) { 
 		if (cursor_pos < cursor_max ) cursor_pos++; repaint(); 
 	} ;