supporting non-rectangular windows

[Pat Kane]

Attached is the source to xhole, the program that is shown on
         http://en.wikipedia.org/wiki/Shape_extension

Pat
---

On Tue, Feb 1, 2011 at 10:56 AM, Pat Kane <pekane52 at gmail.com> wrote:
>  > Also, can anyone help me to understand
>  > what difference does it make if we call XSelectInput or XShapeSelectInput?
>
> This document:   http://www.x.org/docs/Xext/shape.pdf
> has this to say about it
>
>     ... only one event type can be selected
>     via the extension, XShapeSelectInput provides
>     a general mechanism similar to the standard
>     Xlib binding for window events. A mask value
>     has been defined, ShapeNotifyMask that is
>     the only valid bit in mask that may be specified.
>
> So I think you will need to use both.
>
> Pat
> ---
>
>
>
> On Tue, Feb 1, 2011 at 12:40 AM, Prasanta Sadhukhan
> <psadhukhan at gmail.com> wrote:
>> Thanks. I added the following lines as told. Now I am getting a window but
>> 1) it is not circular shaped although I am using X shape extension API
>> 2) it is not accepting any input. XNextEvent() still hangs
>>
>> attached is the modified program. Anything else I need to add
>>
>> Also, can anyone help me to understand
>> what difference does it make if we call XSelectInput or XShapeSelectInput?
>>   Do we always need to use XShapeSelectInput if we have set a shape on the
>> window? Or are there cases in which we would want to use XSelectInput with a
>> shaped window?
>>
>> Regards & thanks in advance
>>
>> On Tue, Feb 1, 2011 at 7:15 AM, Pat Kane <pekane52 at gmail.com> wrote:
>>>
>>> You  should add a line like this too:
>>>  XSelectInput(dsp, win, ExposureMask|ButtonPressMask|ButtonReleaseMask );
>>>
>>>
>>> On Mon, Jan 31, 2011 at 9:39 AM, Pat Kane <pekane52 at gmail.com> wrote:
>>> > Add this line just before the event loop:
>>> >  XMapWindow(dsp, win);
>>> > Pat
>>> > ---
>>> >
>>> >
>>> >
>>> > On Mon, Jan 31, 2011 at 2:05 AM, Prasanta Sadhukhan
>>> > <psadhukhan at gmail.com> wrote:
>>> >> Thanks for the pointer. I saw that the example use widget API through
>>> >> XCreateManagedWIdget APIs.
>>> >> Are this required to use the shape extension API to work?
>>> >>
>>> >> I wanted to use the shape API without this if possible. I tried a small
>>> >> example of creating a circular window which will have 2 diagonal line
>>> >> in it
>>> >> and the window should close when any button is pressed inside it.
>>> >> Attached
>>> >> is the c program I tried but it is not creating any window and is
>>> >> hanging
>>> >> inside XNextEvent() call
>>> >> Can anyone please point to me as to what is wrong in this program. I am
>>> >> a
>>> >> newbie to X-programming
>>> >>
>>> >> Also, one more question regarding events is
>>> >> what difference does it make if we call XSelectInput or
>>> >> XShapeSelectInput?
>>> >> Do we always need to use XShapeSelectInput if we have set a shape on
>>> >> the
>>> >> window? Or are there cases in which we would want to use XSelectInput
>>> >> with a
>>> >> shaped window?
>>> >>
>>> >> Thanks in advance
>>> >> Prashant
>>> >>
>>> >> On Mon, Jan 24, 2011 at 9:14 PM, Alan Coopersmith
>>> >> <alan.coopersmith at oracle.com> wrote:
>>> >>>
>>> >>> On 01/24/11 03:34 AM, Prasanta Sadhukhan wrote:
>>> >>> > Thanks for the information. Is there any link which shows an example
>>> >>> > of
>>> >>> > how to
>>> >>> > use this APIs for example, if I want to create a rounded-rect
>>> >>> > window.
>>> >>>
>>> >>> See the oclock sources, which use the shape extension to draw a
>>> >>> circular
>>> >>> clock
>>> >>> window:
>>> >>>
>>> >>> http://cgit.freedesktop.org/xorg/app/oclock/tree/ or
>>> >>> http://www.x.org/releases/individual/app/oclock-1.0.2.tar.bz2
>>> >>>
>>> >>> --
>>> >>>        -Alan Coopersmith-        alan.coopersmith at oracle.com
>>> >>>         Oracle Solaris Platform Engineering: X Window System
>>> >>>
>>> >>
>>> >>
>>> >> _______________________________________________
>>> >> xorg-devel at lists.x.org: X.Org development
>>> >> Archives: http://lists.x.org/archives/xorg-devel
>>> >> Info: http://lists.x.org/mailman/listinfo/xorg-devel
>>> >>
>>> >
>>
>>
>
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