bug#28605: 26.0.60; Part of leftmost character hidden

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: 28605@debbugs.gnu.org,  rudalics@gmx.at,  ola.nilsson@gmail.com,  
> larsi@gnus.org,  kaushal.modi@gmail.com
> Date: Tue, 19 Dec 2017 09:10:33 +0100
> 
> >From 074d39597b1cff03053e369cf89ee701874afddb Mon Sep 17 00:00:00 2001
> From: Robert Pluim <rpluim@gmail.com>
> Date: Tue, 10 Oct 2017 16:20:50 +0200
> Subject: [PATCH] Adjust scrollbar dimensions when scaling
> 
> 2017-10-10  Robert Pluim  <rpluim@gmail.com>
> 
>       * src/gtkutil.c (xg_update_scrollbar_pos): Update width of
>       scrollbar when scaling is in effect
>       (xg_update_horizontal_scrollbar_pos): Update scrollbar size
>       when scaling is in effect.
> ---
>  src/gtkutil.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/src/gtkutil.c b/src/gtkutil.c
> index c7d8f92829..88b7fd7e7b 100644
> --- a/src/gtkutil.c
> +++ b/src/gtkutil.c
> @@ -3890,7 +3890,7 @@ xg_update_scrollbar_pos (struct frame *f,
>        top /= scale;
>        left /= scale;
>        height /= scale;
> -      left -= (scale - 1) * ((width / scale) >> 1);
> +      width /= scale;
>  
>        /* Clear out old position.  */
>        int oldx = -1, oldy = -1, oldw, oldh;
> @@ -3966,6 +3966,12 @@ xg_update_horizontal_scrollbar_pos (struct frame *f,
>        GtkWidget *wfixed = f->output_data.x->edit_widget;
>        GtkWidget *wparent = gtk_widget_get_parent (wscroll);
>        gint msl;
> +      int scale = xg_get_scale (f);
> +
> +      top /= scale;
> +      left /= scale;
> +      height /= scale;
> +      width /= scale;
>  
>        /* Clear out old position.  */
>        int oldx = -1, oldy = -1, oldw, oldh;
> -- 
> 2.15.0.rc1

Thanks, this is okay for the release branch.