<Swing Dev> [13] RFR JDK-8214253: Tooltip is transparent rather than having a black background

[Prasanta Sadhukhan]

Hi Pankaj,

One question, dont we need to do
1782 fp_gtk_style_context_add_class(context, "background");after 2366 
context = get_style(widget_type, "tooltip");
Also,please put noreg-demo in JBS since you are not providing any 
testcase. Applicable for all gtk3 bugs, I presume.

Regards
Prasanta
On 01-Mar-19 1:25 PM, Pankaj Bansal wrote:
>
> Hi All,
>
> Please review the following fix.
>
>
> Bug:
>
> https://bugs.openjdk.java.net/browse/JDK-8214253
>
> webrev
>
> http://cr.openjdk.java.net/~pbansal/8214253/webrev00/ 
> <http://cr.openjdk.java.net/%7Epbansal/8214253/webrev00/>
>
> Issue:
>
> From gtk 3.20, gtk has changed the way themes and styles work for many 
> widgets. Due to which, jdk is not able to render some widgets properly 
> including JTooltip. The tooltip background looks transparent, but 
> tooltip background is of same color as background panel.
>
> gtk 3.20 release notes: 
> https://developer.gnome.org/gtk3/stable/ch32s10.html
>
> Fix:
>
> This patch fixes rendering issues in JTooltip by using correct way to 
> define styles.
>
> Testing:
>
> This fix can be verified by running SwingSet2 and using the tooltip. I 
> have verified this on Ubuntu 16.04, 18.04, 18.10 and OEL 7.5.
>
>
> Regards,
> Pankaj Bansal
>

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