skin_engine: New param "noborder" for the bar tags.

By specifying this param the bar will not have a border/box. Instead
the inner part that fills up is maximized on the bar area.

Note that this only affects bars using foreground and background colors,
not those constructed with images.

Change-Id: Ib8dd49ecbaf9e16b96de840f5f365871b73d4fa4

apps/gui/scrollbar.c

@@ -94,11 +94,20 @@ void gui_scrollbar_draw(struct screen * screen, int x, int y,
         max_shown = items;
     }
 
+    if (flags & BORDER_NOFILL)
+    {
+        inner_x  = x;
+        inner_y  = y;
+        inner_wd = width;
+        inner_ht = height;
+    }
+    else
+    {
         inner_x  = x + 1;
         inner_y  = y + 1;
         inner_wd = width  - 2;
         inner_ht = height - 2;
-
+    }
     /* Boundary check to make sure that height is reasonable, otherwise nothing
      *  to do 
      */
@@ -113,6 +122,8 @@ void gui_scrollbar_draw(struct screen * screen, int x, int y,
     scrollbar_helper(min_shown, max_shown, items, inner_len, &size, &start);
 
     /* draw box */
+    if (!(flags & BORDER_NOFILL))
+    {
 #ifdef HAVE_LCD_COLOR
         /* must avoid corners if case of (flags & FOREGROUND) */
         screen->hline(inner_x, x + inner_wd, y);
@@ -122,7 +133,7 @@ void gui_scrollbar_draw(struct screen * screen, int x, int y,
 #else
         screen->drawrect(x, y, width, height);
 #endif
-
+    }
     screen->set_drawmode(DRMODE_SOLID | DRMODE_INVERSEVID);
 
 #ifdef HAVE_LCD_COLOR

apps/gui/scrollbar.h

@@ -30,6 +30,7 @@ enum orientation {
     HORIZONTAL        = 0x0001,   /* Horizontal orientation   */
     INVERTFILL        = 0x0002,   /* Invert the fill direction */
     INNER_NOFILL      = 0x0004,   /* Do not fill inner part */
+    BORDER_NOFILL     = 0x0008,   /* Do not fill border part */
 #ifdef HAVE_LCD_COLOR
     FOREGROUND        = 0x0020,   /* Do not clear background pixels */
     INNER_FILL        = 0x0040,   /* Fill inner part even if FOREGROUND */

apps/gui/skin_engine/skin_display.c

@@ -202,6 +202,11 @@ void draw_progressbar(struct gui_wps *gwps, int line, struct progressbar *pb)
         flags |= INNER_NOFILL;
     }
 
+    if (pb->noborder)
+    {
+        flags |= BORDER_NOFILL;
+    }
+
     if (SKINOFFSETTOPTR(get_skin_buffer(gwps->data), pb->slider))
     {
         struct gui_img *img = SKINOFFSETTOPTR(get_skin_buffer(gwps->data), pb->slider);

apps/gui/skin_engine/skin_parser.c

@@ -901,6 +901,7 @@ static int parse_progressbar_tag(struct skin_element* element,
     pb->vp = PTRTOSKINOFFSET(skin_buffer, vp);
     pb->follow_lang_direction = follow_lang_direction > 0;
     pb->nofill = false;
+    pb->noborder = false;
     pb->nobar = false;
     pb->image = PTRTOSKINOFFSET(skin_buffer, NULL);
     pb->slider = PTRTOSKINOFFSET(skin_buffer, NULL);
@@ -978,6 +979,8 @@ static int parse_progressbar_tag(struct skin_element* element,
             pb->invert_fill_direction = true;
         else if (!strcmp(text, "nofill"))
             pb->nofill = true;
+        else if (!strcmp(text, "noborder"))
+            pb->noborder = true;
         else if (!strcmp(text, "nobar"))
             pb->nobar = true;
         else if (!strcmp(text, "slider"))
@@ -1051,6 +1054,11 @@ static int parse_progressbar_tag(struct skin_element* element,
 
     if (image_filename)
     {
+        /* noborder is incompatible together with image. There is no border
+         * anyway. */
+        if (pb->noborder)
+            return WPS_ERROR_INVALID_PARAM;
+
         pb->image = PTRTOSKINOFFSET(skin_buffer,
                 skin_find_item(image_filename, SKIN_FIND_IMAGE, wps_data));
         if (!SKINOFFSETTOPTR(skin_buffer, pb->image)) /* load later */

apps/gui/skin_engine/wps_internals.h

@@ -120,6 +120,7 @@ struct progressbar {
     
     bool invert_fill_direction;
     bool nofill;
+    bool noborder;
     bool nobar;
     OFFSETTYPE(struct gui_img *) slider;
     bool horizontal;