there is a difference between viewports which shouldnt be cleared (the default viewport in the sbs) and viewports which should never be shown (%Vi viewport). so do this properly

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25271 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 12 insertions, 14 deletions

diff --git a/apps/gui/skin_engine/skin_display.c b/apps/gui/skin_engine/skin_display.c
index 845ea18608..8ea5dc5ecb 100644
--- a/apps/gui/skin_engine/skin_display.c
+++ b/apps/gui/skin_engine/skin_display.c
@@ -1123,11 +1123,10 @@ static bool skin_redraw(struct gui_wps *gwps, unsigned refresh_mode)
         struct skin_viewport *skin_viewport =
                         (struct skin_viewport *)viewport_list->token->value.data;
         unsigned vp_refresh_mode = refresh_mode;
+        unsigned hidden_flags = skin_viewport->hidden_flags;
 
         display->set_viewport(&skin_viewport->vp);
 
-        int hidden_vp = 0;
-
 #ifdef HAVE_LCD_BITMAP
         /* Set images to not to be displayed */
         struct skin_token_list *imglist = data->images;
@@ -1138,19 +1137,18 @@ static bool skin_redraw(struct gui_wps *gwps, unsigned refresh_mode)
             imglist = imglist->next;
         }
 #endif
-        /* dont redraw the viewport if its disabled */
-        if (skin_viewport->hidden_flags&VP_NEVER_VISIBLE)
-        {   /* don't draw anything into this one */
-            vp_refresh_mode = 0; hidden_vp = true;
+        if ((hidden_flags&VP_NEVER_VISIBLE))
+        {
+            continue;
         }
-        else if ((skin_viewport->hidden_flags&VP_DRAW_HIDDEN))
+        if ((hidden_flags&VP_DRAW_HIDDEN))
         {
-            if (!(skin_viewport->hidden_flags&VP_DRAW_WASHIDDEN))
+            if (!(hidden_flags&VP_DRAW_WASHIDDEN))
                 display->scroll_stop(&skin_viewport->vp);
             skin_viewport->hidden_flags |= VP_DRAW_WASHIDDEN;
             continue;
         }
-        else if (((skin_viewport->hidden_flags&
+        else if (((hidden_flags&
                    (VP_DRAW_WASHIDDEN|VP_DRAW_HIDEABLE))
                     == (VP_DRAW_WASHIDDEN|VP_DRAW_HIDEABLE)))
         {
@@ -1160,7 +1158,8 @@ static bool skin_redraw(struct gui_wps *gwps, unsigned refresh_mode)
 
         if (vp_refresh_mode == WPS_REFRESH_ALL)
         {
-            display->clear_viewport();
+            if (!(hidden_flags&VP_NEVER_CLEAR))
+                display->clear_viewport();
         }
 
         /* loop over the lines for this viewport */
@@ -1179,7 +1178,7 @@ static bool skin_redraw(struct gui_wps *gwps, unsigned refresh_mode)
             flags = line->curr_subline->line_type;
 
             if (vp_refresh_mode == WPS_REFRESH_ALL || (flags & vp_refresh_mode)
-                || new_subline_refresh || hidden_vp)
+                || new_subline_refresh)
             {
                 /* get_line tells us if we need to update the line */
                 update_line = get_line(gwps, subline, &align,
@@ -1225,7 +1224,7 @@ static bool skin_redraw(struct gui_wps *gwps, unsigned refresh_mode)
             }
 #endif
 
-            if (update_line && !hidden_vp &&
+            if (update_line &&
                 /* conditionals clear the line which means if the %Vd is put into the default
                    viewport there will be a blank line.
                    To get around this we dont allow any actual drawing to happen in the
@@ -1254,8 +1253,7 @@ static bool skin_redraw(struct gui_wps *gwps, unsigned refresh_mode)
             }
         }
         /* Now display any images in this viewport */
-        if (!hidden_vp)
-            wps_display_images(gwps, &skin_viewport->vp);
+        wps_display_images(gwps, &skin_viewport->vp);
 #endif
     }