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Re: Hollow cursor under images

From: Evgeny Zajcev
Subject: Re: Hollow cursor under images
Date: Sat, 14 Sep 2019 14:48:26 +0300

вт, 5 мар. 2019 г. в 13:19, Evgeny Zajcev <address@hidden>:
In my case 32 for width is the trigger and `(frame-char-height) == 53' for height triggers the hollow cursor behaviour.

Looks like a bug

I've found this in xdisp.c:

  if (cursor_type == FILLED_BOX_CURSOR)
     /* Using a block cursor on large images can be very annoying.
So use a hollow cursor for "large" images.
If image is not transparent (no mask), also use hollow cursor.  */
     struct image *img = IMAGE_OPT_FROM_ID (f, glyph->u.img_id);
     if (img != NULL && IMAGEP (img->spec))
 /* Arbitrarily, interpret "Large" as >32x32 and >NxN
    where N = size of default frame font size.
    This should cover most of the "tiny" icons people may use.  */
 if (!img->mask
     || img->width > max (32, WINDOW_FRAME_COLUMN_WIDTH (w))
     || img->height > max (32, WINDOW_FRAME_LINE_HEIGHT (w)))
   cursor_type = HOLLOW_BOX_CURSOR;

Maybe introduce some property in image spec to control cursor behaviour?  Or make customizable definition for "tiny" icons?



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