Add efacf056cd

dockerdoom/trunk/textscreen/txt_scrollpane.h

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+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 2009 Simon Howard
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+
+#ifndef TXT_SCROLLPANE_H
+#define TXT_SCROLLPANE_H
+
+/**
+ * @file txt_scrollpane.h
+ *
+ * Scrollable pane widget.
+ */
+
+/**
+ * Scrollable pane widget.
+ *
+ * A scrollable pane widget is a widget that contains another widget
+ * that is larger than it.  Scroll bars appear on the side to allow
+ * different areas of the contained widget to be seen.
+ */
+
+typedef struct txt_scrollpane_s txt_scrollpane_t;
+
+#include "txt_widget.h"
+
+struct txt_scrollpane_s
+{
+    txt_widget_t widget;
+    int w, h;
+    int x, y;
+    int expand_w, expand_h;
+    txt_widget_t *child;
+};
+
+/**
+ * Create a new scroll pane widget.
+ *
+ * @param w               Width of the scroll pane, in characters.
+ * @param h               Height of the scroll pane, in lines.
+ * @param target          The target widget that the scroll pane will
+ *                        contain.
+ * @return                Pointer to the new scroll pane widget.
+ */
+
+txt_scrollpane_t *TXT_NewScrollPane(int w, int h, TXT_UNCAST_ARG(target));
+
+#endif /* #ifndef TXT_SCROLLPANE_H */
+
+