scroll_engine: Add STYLE_NONE to allow for drawing lines without styling.

This allows to draw lines without destroying styles that were drawn manually
(e.g. from apps/) beforehand.

Change-Id: I0de290c9343061efb115e1b76da5b76395c2b2af

1 files changed, 6 insertions, 0 deletions

diff --git a/firmware/drivers/lcd-bitmap-common.c b/firmware/drivers/lcd-bitmap-common.c
index 10a567edf1..c04f57ef22 100644
--- a/firmware/drivers/lcd-bitmap-common.c
+++ b/firmware/drivers/lcd-bitmap-common.c
@@ -360,6 +360,12 @@ static void LCDFN(putsxyofs_style)(int xpos, int ypos,
     int text_ypos = ypos;
     int line_height = font_get(current_vp->font)->height;
     text_ypos += h/2 - line_height/2; /* center the text in the line */
+
+    if ((style & STYLE_MODE_MASK) == STYLE_NONE) {
+        if (str[0])
+            LCDFN(putsxyofs)(xpos, text_ypos, offset, str);
+        return;
+    }
 #if defined(MAIN_LCD) && defined(HAVE_LCD_COLOR)
     int oldfgcolor = current_vp->fg_pattern;
     int oldbgcolor = current_vp->bg_pattern;