1 files changed, 73 insertions, 0 deletions

diff --git a/apps/gui/viewport.c b/apps/gui/viewport.c
new file mode 100644
index 0000000000..c59a1d9ca2
--- /dev/null
+++ b/apps/gui/viewport.c
@@ -0,0 +1,73 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 by Jonathan Gordon
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "lcd.h"
+#include "font.h"
+#include "sprintf.h"
+#include "string.h"
+#include "settings.h"
+#include "kernel.h"
+#include "system.h"
+#include "misc.h"
+#include "atoi.h"
+#include "viewport.h"
+#include "statusbar.h"
+#include "screen_access.h"
+
+int viewport_get_nb_lines(struct viewport *vp)
+{
+#ifdef HAVE_LCD_BITMAP
+    return vp->height/font_get(vp->font)->height;
+#else
+    (void)vp;
+    return 2;
+#endif
+}
+
+
+void viewport_set_defaults(struct viewport *vp, enum screen_type screen)
+{
+    vp->x = 0;
+    vp->width = screens[screen].width;
+    
+    vp->y = global_settings.statusbar?STATUSBAR_HEIGHT:0;
+    vp->height = screens[screen].height - vp->y
+#ifdef HAS_BUTTONBAR
+                - screens[screen].has_buttonbar?BUTTONBAR_HEIGHT:0
+#endif
+                ;
+#ifdef HAVE_LCD_BITMAP
+    vp->drawmode = DRMODE_SOLID;
+    vp->font = FONT_UI; /* default to UI to discourage SYSFONT use */
+#endif
+    if (screens[screen].depth > 1)
+    {
+#ifdef HAVE_LCD_COLOR
+        vp->fg_pattern = global_settings.fg_color;
+        vp->bg_pattern = global_settings.bg_color;
+        vp->lss_pattern = global_settings.lss_color;
+        vp->lse_pattern = global_settings.lse_color;
+        vp->lst_pattern = global_settings.lst_color;
+#elif LCD_DEPTH > 1
+        vp->fg_pattern = LCD_DEFAULT_FG;
+        vp->bg_pattern = LCD_DEFAULT_BG;
+#endif
+    }
+}