Window previews in xfwm4

[André Miranda]

Hello Olivier,
I'm using it now, seems great, but when there is 6+ windows open it 
falls back to icons only switcher.
Do you have any idea how to handle lots of windows?
As Stephan has already mentioned, the application's icon + window 
preview would be even greater.

Cheers,
André Miranda

On 24-01-2015 18:53, Olivier Fourdan wrote:
> Hi
>
> Meanwhile I've pushed in git master the implementation I was trying to
> explain, it seems to work quite well.
>
> Cheers,
> Olivier
>
>
> On 15 January 2015 at 19:46, Sonal Santan <sonal.santan at gmail.com> wrote:
>> I hope to look into it soon.
>>
>> -Sonal
>>
>>
>> On Wed, Jan 14, 2015 at 10:52 AM, Olivier Fourdan <fourdan at gmail.com> wrote:
>>> Sonal,
>>>
>>> The implementation I pointed out is actually much simpler than yours,
>>> and you get GdkPixbuf as well, I reckon it's much better and efficient
>>> than using XGetImage().
>>>
>>> Cheers
>>> Olivier
>>>
>>>
>>> On 13 January 2015 at 15:52, Olivier Fourdan <fourdan at gmail.com> wrote:
>>>> Nope, sorry.
>>>>
>>>> Olivier
>>>>
>>>> On 13 January 2015 at 15:08, Sonal Santan <sonal.santan at gmail.com>
>>>> wrote:
>>>>> Hello,
>>>>>
>>>>> IMHO this implementation fits very well with the existing
>>>>> infrastructure in
>>>>> tabwin which expects a GdkPixbuf to draw onto the window buttons,
>>>>> requiring
>>>>> minimal changes overall. I do agree that in an ideal world we would not
>>>>> use
>>>>> XGetImage to capture the contents of the preview pixmap but directly
>>>>> render
>>>>> the preview over a picture provided by the preview client. But that
>>>>> would
>>>>> require more changes. Also, I believe this implementation is inline
>>>>> with my
>>>>> original proposal of using XImage as a mechanism to exchange previews
>>>>> to
>>>>> clients. The images are small so the overhead should not be huge.
>>>>>
>>>>> Can we go ahead with the current design for now while I will look at
>>>>> optimizing the implementation as a future step?
>>>>>
>>>>> -Sonal
>>>>>
>>>>> On Mon, Jan 12, 2015 at 10:10 AM, Olivier Fourdan <fourdan at gmail.com>
>>>>> wrote:
>>>>>> Hi
>>>>>>
>>>>>> I haven't looked much at the code, but using XGetImage and XImage
>>>>>> conversion seem inappropriate here.
>>>>>>
>>>>>> Using a compositor, all client windows are unredirected, meaning they
>>>>>> are rendered to an offscreen pixmap already, and the compositor has
>>>>>> all that's required already, it "knows" about all this so all you need
>>>>>> to do is to add hooks in the compositor to retrieve this and use that
>>>>>> picture, that's all. Metacity's compositor was based originally on
>>>>>> xfwm4's and had that feature up until not too long ago (not sure it's
>>>>>> still there), you should look there for an example.
>>>>>>
>>>>>> Also, please note that the gtk_ prefix is for gtk alone.
>>>>>>
>>>>>> Cheers,
>>>>>> Olivier
>>>>>
>>>>>
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