From 113be78225a1cd3fad2e611ab8c258ac5bb887cf Mon Sep 17 00:00:00 2001
From: jdgordon <jdgordon@a1c6a512-1295-4272-9138-f99709370657>
Date: Wed, 28 Oct 2009 06:44:37 +0000
Subject: [PATCH] Allow the x and y pixel values of viewports to be a negative
 number.. %V|-50|0|-|..... will position that viewport 50 pixels from the
 right of the display at the top.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23378 a1c6a512-1295-4272-9138-f99709370657
---
 apps/gui/viewport.c       |  6 +++++-
 apps/misc.c               | 10 +++++++++-
 wps/classic_statusbar.sbs |  2 +-
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/apps/gui/viewport.c b/apps/gui/viewport.c
index f39a29952..9bf0e8017 100644
--- a/apps/gui/viewport.c
+++ b/apps/gui/viewport.c
@@ -445,7 +445,11 @@ const char* viewport_parse_viewport(struct viewport *vp,
     /* X and Y *must* be set */
     if (!LIST_VALUE_PARSED(set, PL_X) || !LIST_VALUE_PARSED(set, PL_Y))
         return NULL;
-    
+    /* check for negative values */        
+    if (vp->x < 0)
+        vp->x += screens[screen].lcdwidth;
+    if (vp->y < 0)
+        vp->y += screens[screen].lcdheight;
     /* fix defaults */
     if (!LIST_VALUE_PARSED(set, PL_WIDTH))
         vp->width = screens[screen].lcdwidth - vp->x;
diff --git a/apps/misc.c b/apps/misc.c
index 5af57feb1..6be9f8f01 100644
--- a/apps/misc.c
+++ b/apps/misc.c
@@ -945,7 +945,7 @@ const char* parse_list(const char *fmt, uint32_t *set_vals,
     const char* p = str, *f = fmt;
     const char** s;
     int* d;
-    bool set;
+    bool set, is_negative;
     int i=0;
 
     va_start(ap, str);
@@ -973,7 +973,13 @@ const char* parse_list(const char *fmt, uint32_t *set_vals,
                 break;
 
             case 'd': /* int */
+                is_negative = false;
                 d = va_arg(ap, int*);
+                if (*p == '-' && isdigit(*(p+1)))
+                {
+                    is_negative = true;
+                    p++;
+                }
                 if (!isdigit(*p))
                 {
                     if (!set_vals || *p != '-')
@@ -987,6 +993,8 @@ const char* parse_list(const char *fmt, uint32_t *set_vals,
                     while (isdigit(*p))
                        *d = (*d * 10) + (*p++ - '0');
                     set = true;
+                    if (is_negative)
+                        *d *= -1;
                 }
 
                 break;
diff --git a/wps/classic_statusbar.sbs b/wps/classic_statusbar.sbs
index 23e6e144b..22fa9e5b8 100644
--- a/wps/classic_statusbar.sbs
+++ b/wps/classic_statusbar.sbs
@@ -35,5 +35,5 @@
 
 
 # Clock on RTC able targets, and disk access
-%V|140|0|-|8|0|-|-| # The 140 is (LCD_WIDTH-(6 letters * 6 pixels))
+%V|-36|0|-|8|0|-|-| # align on the right with room for 6 SYSFONT digits
 %?ca<%?St|time format|<%cH|%cI>:%cM|--:-->%?lh<*|>
-- 
2.11.4.GIT