FS#8457 - convert the list drawing code to use viewports. This does not include any of the customizability which was in the patch, so unless any bugs show up users should not notice any difference.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16527 a1c6a512-1295-4272-9138-f99709370657

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
+    }
+}