Fix a few problems with RTL, statusbar and custom ui viewport.

*text in statusbar jumped around
*custom ui vp wasn't refreshed properly on language changing.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23053 a1c6a512-1295-4272-9138-f99709370657

apps/filetree.c

@@ -530,6 +530,7 @@ int ft_enter(struct tree_context* c)
                     set_file(buf, (char *)global_settings.lang_file,
                              MAX_FILENAME);
                     talk_init(); /* use voice of same language */
+                    viewportmanager_theme_changed(THEME_LANGUAGE);
                     splash(HZ, ID2P(LANG_LANGUAGE_LOADED));
                 }
                 break;

apps/gui/skin_engine/skin_parser.c

@@ -706,6 +706,7 @@ static int parse_viewport(const char *wps_bufptr,
     if (!(ptr = viewport_parse_viewport(vp, screen, ptr, '|')))
         return WPS_ERROR_INVALID_PARAM;
 
+    vp->flags &= ~VP_FLAG_IS_RTL; /* ignore rright-to-left languages */
     /* Check for trailing | */
     if (*ptr != '|')
         return WPS_ERROR_INVALID_PARAM;

apps/gui/statusbar.c

@@ -174,7 +174,8 @@ static void gui_statusbar_init(struct gui_statusbar * bar)
 }
 
 #define GET_RECT(vp, vals,display)      do {                        \
-        viewport_set_fullscreen(&(vp), (display)->screen_type);       \
+        viewport_set_fullscreen(&(vp), (display)->screen_type);     \
+        (vp).flags &= ~VP_FLAG_IS_RTL;                              \
         (vp).height = STATUSBAR_HEIGHT;                             \
         (vp).x = STATUSBAR_X_POS;                                   \
         if ((vals) != STATUSBAR_BOTTOM)                             \

apps/gui/viewport.c

@@ -60,6 +60,7 @@
 #endif
 
 static int statusbar_enabled = 0;
+static void viewport_rtl_handler(struct viewport *vp);
 
 #ifdef HAVE_LCD_BITMAP
 
@@ -107,6 +108,7 @@ void viewport_set_fullscreen(struct viewport *vp, enum screen_type screen)
     vp->width = screens[screen].lcdwidth;
 
 #ifdef HAVE_LCD_BITMAP
+    viewport_rtl_handler(vp);
     vp->drawmode = DRMODE_SOLID;
     vp->font = FONT_UI; /* default to UI to discourage SYSFONT use */
         
@@ -139,6 +141,7 @@ void viewport_set_fullscreen(struct viewport *vp, enum screen_type screen)
         vp->bg_pattern = LCD_REMOTE_DEFAULT_BG;
     }
 #endif
+
 }
 
 void viewport_set_defaults(struct viewport *vp, enum screen_type screen)
@@ -150,10 +153,6 @@ void viewport_set_defaults(struct viewport *vp, enum screen_type screen)
 #endif
         viewport_set_fullscreen(vp, screen);
 
-#ifdef HAVE_LCD_BITMAP
-    vp->flags &= ~VP_FLAG_IS_RTL;
-    vp->flags |= lang_is_rtl() ? VP_FLAG_IS_RTL : 0;
-#endif
 }
 
 void viewportmanager_init(void)
@@ -239,6 +238,11 @@ void viewportmanager_theme_changed(int which)
         /* and point to it */
         ui_vp_info.vp = custom_vp;
     }
+    else if (which & THEME_LANGUAGE)
+    {   /* THEME_UI_VIEWPORT handles rtl already */
+        FOR_NB_SCREENS(i)
+            viewport_rtl_handler(&custom_vp[i]);
+    }
     if (which & THEME_STATUSBAR)
     {
         statusbar_enabled = VP_SB_HIDE_ALL;
@@ -354,6 +358,17 @@ bool viewport_point_within_vp(const struct viewport *vp, int x, int y)
 #endif
 
 #ifdef HAVE_LCD_BITMAP
+
+static void viewport_rtl_handler(struct viewport *vp)
+{
+#ifndef __PCTOOL__
+    if (UNLIKELY(lang_is_rtl()))
+        vp->flags |= VP_FLAG_IS_RTL;
+    else
+#endif
+        vp->flags &= ~VP_FLAG_IS_RTL;
+}
+
 const char* viewport_parse_viewport(struct viewport *vp,
                                     enum screen_type screen,
                                     const char *bufptr,
@@ -436,6 +451,7 @@ const char* viewport_parse_viewport(struct viewport *vp,
 
     /* Set the defaults for fields not user-specified */
     vp->drawmode = DRMODE_SOLID;
+    viewport_rtl_handler(vp);
 
     return ptr;
 }

apps/gui/viewport.h

@@ -59,6 +59,7 @@ void viewport_set_defaults(struct viewport *vp, enum screen_type screen);
 #define THEME_STATUSBAR     (BIT_N(0))
 #define THEME_UI_VIEWPORT   (BIT_N(1))
 #define THEME_BUTTONBAR     (BIT_N(2))
+#define THEME_LANGUAGE      (BIT_N(3))
 #define THEME_ALL           (~(0u))
 
 #define VP_SB_HIDE_ALL 0