[PATCH 4/7] comctl32/button: Implement command links

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>

On 4/19/19 3:14 PM, Gabriel Ivăncescu wrote:
> Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
> ---
>
> Command Links have hot-tracking even when they don't use a theme. The default
> glyph (green arrow) is used when the button has no image (bitmap/icon) or
> imagelist, and seems to be hardcoded (i.e. BM_GETIMAGE and BCM_GETIMAGELIST
> must return NULL to pass the tests).
>
> I've added the glyph as a bitmap with 3 hardcoded states to avoid duplication,
> they are very close to the ones in Windows 7 in appearance. I don't know
> where Windows stores them but I placed them in comctl32's resources. They
> were created from scratch by just filling a custom-drawn arrow shape and
> adding a white outline + shadow to it. (I can supply the 1024x1024 original
> image before I downsampled it, if that's needed)
Please create a bug report for command link support, if we don't have 
one yet, and attach your original image file there so it's not lost.