Initial multi screen support by Kévin Ferrare (Patch #1318081)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7666 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 49 insertions, 0 deletions

diff --git a/apps/gui/scrollbar.h b/apps/gui/scrollbar.h
new file mode 100644
index 0000000..51c0835
--- /dev/null
+++ b/apps/gui/scrollbar.h
@@ -0,0 +1,49 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 Kévin FERRARE
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _GUI_SCROLLBAR_H_
+#define _GUI_SCROLLBAR_H_
+#include <lcd.h>
+#ifdef HAVE_LCD_BITMAP
+
+struct screen;
+
+enum orientation {
+    VERTICAL,
+    HORIZONTAL
+};
+
+/*
+ * Draws a scrollbar on the given screen
+ *  - screen : the screen to put the scrollbar on
+ *  - x : x start position of the scrollbar
+ *  - y : y start position of the scrollbar
+ *  - width : you won't guess =(^o^)=
+ *  - height : I won't tell you either !
+ *  - items : total number of items on the screen
+ *  - min_shown : index of the starting item on the screen
+ *  - max_shown : index of the last item on the screen
+ *  - orientation : either VERTICAL or HORIZONTAL
+ */
+extern void gui_scrollbar_draw(struct screen * screen, int x, int y,
+                               int width, int height, int items,
+                               int min_shown, int max_shown,
+                               enum orientation orientation);
+#endif /* HAVE_LCD_BITMAP */
+#endif /* _GUI_SCROLLBAR_H_ */