From 4158ba1ff13d623ee32b91efedd4d1d2212543e4 Mon Sep 17 00:00:00 2001
From: Kevin Ferrare <kevin@rockbox.org>
Date: Tue, 1 Nov 2005 23:56:03 +0000
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7716 a1c6a512-1295-4272-9138-f99709370657
---
 apps/gui/textarea.h | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 apps/gui/textarea.h

(limited to 'apps/gui/textarea.h')

diff --git a/apps/gui/textarea.h b/apps/gui/textarea.h
new file mode 100644
index 0000000..5249aed
--- /dev/null
+++ b/apps/gui/textarea.h
@@ -0,0 +1,81 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 by Kevin 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_TEXTAREA_H_
+#define _GUI_TEXTAREA_H_
+#include "screen_access.h"
+#include "settings.h"
+#include "statusbar.h"
+
+/*
+ * Clears the area in the screen in which text can be displayed
+ * and sets the y margin properly
+ *  - display : the screen structure
+ */
+extern void gui_textarea_clear(struct screen * display);
+
+/*
+ * Updates the area in the screen in which text can be displayed
+ *  - display : the screen structure
+ */
+#ifdef HAVE_LCD_BITMAP
+extern void gui_textarea_update(struct screen * display);
+#else
+#ifdef SIMULATOR
+#define gui_textarea_update(display) \
+    (display)->update();
+#else
+#define gui_textarea_update(display)
+#endif
+#endif
+
+/*
+ * Compute the number of text lines the display can draw with the current font
+ * Also updates the char height and width
+ * - display : the screen structure
+ */
+extern void gui_textarea_update_nblines(struct screen * display);
+
+#ifdef HAVE_LCD_BITMAP
+/*
+ * Compute the number of pixels from which text can be displayed
+ * - display : the screen structure
+ * Returns the number of pixels
+ */
+#define gui_textarea_get_ystart(display) \
+    ( (global_settings.statusbar)? STATUSBAR_HEIGHT : 0)
+
+/*
+ * Compute the number of pixels below which text can't be displayed
+ * - display : the screen structure
+ * Returns the number of pixels
+ */
+#ifdef HAS_BUTTONBAR
+#define gui_textarea_get_yend(display) \
+    ( (display)->height - ( (global_settings.buttonbar && \
+                            (display)->has_buttonbar)? \
+                            BUTTONBAR_HEIGHT : 0) )
+#else
+#define gui_textarea_get_yend(display) \
+    ( (display)->height )
+#endif /* HAS_BUTTONBAR */
+
+#endif /* HAVE_LCD_BITMAP */
+
+#endif /* _GUI_TEXTAREA_H_ */
-- 
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