OK I'll do it one of those ways, I'm back on my computer. I was following the literal instructions given on the wiki page. The "Git for windows" I downloaded wasn't easy on windows 8.1; they offer the powershell console and a whitespace app for the "gui" interface. I've already learned and forgotten enough powershell buzz to know I didn't want to get any deeper there.
As I look at it again ,
Xwin uses keeps the PLGraphicsIn as a member of {dev}.
in the {dev} structure and copied out to the location provided by the
user. So the cat's out of the bag as far as that goes.
In my way the caller initializes the structure and
passes his option via this structure to the event-handling routine. The
device coordinates
are adjusted to look like X-style orientation (y = Ymax-Y) and a clipping
rectangle is
used to confine the cursor to the window. The returned normal coordinates
are adjusted,
determined by experimentation, so that an "X" plotted at the reported
point, in normal coordinates, lies under the cursor. Generally a re-plot
of the reported position in device coordinates fails.
ls .git
On Tue, Oct 7, 2014 at 11:55 AM, Alan W. Irwin <ir...@beluga.phys.uvic.ca>
wrote:
> On 2014-10-07 07:56-0700 Greg Jung wrote:
>
> Hi guys,
>> I have been working on the _WIN32 incarnation of gnudatalanguage (GDL),
>> the overall project is in pretty good shape internally - it has most
>> aspects of IDL pre-2000 implemented. For plotting it uses plplot;
>>
>
> For the others here, GDL
> <http://en.wikipedia.org/wiki/GNU_Data_Language> is a free (GPLed)
> alternative
> to IDL. IDL itself is a heavily used (in Astronomy for example) data
> analysis language
> <http://en.wikipedia.org/wiki/IDL_(programming_language)> so I assume
> GDL has lots of users, and I am glad they are getting exposed to
> PLplot via that software.
>
> hence
>> I've got a few lines to wingcc.c that should be useful, and one aspect of
>> the newer (post-5.10.0) version that I want to argue against. I began to
>> go through git but today I'm on a different computer and git usage was
>> hitting
>> roadblocks so I'm submitting this old-school.
>>
> @Greg: your patch does not show your desired change in this regard
> (and perhaps other regards as well) because you prepared the patch
> against 5.10.0 rather than our latest git master version.
>
> @ Greg: One question I have is what PLplot device does GDL use on the Unix
> side? I assume you would want us to minimize struct change
> issues in that case as well.
GDL has separated device classes which service the routines as fit for the
specific device. The X cursor routines do not call xwin, I believe.
>
> The changes I made to Wingcc for better functionality:
Added a DestroyWindow() system called to clean up the plstream object
destroyed.
I tried every which way to call this from the GDL code, nothing
worked.
Change SetForegroundWindow call to a BringWindowToTop call upon window
creation. That way the user is still typing productively.
Similar maneuvers in GetCursorCmd are made to bring the graphics window
to top but return the input focus. Sleep(2) calls were necessary to get
this to work more reliably.
So here is the patch result of the 'git format-patch origin' command. I
know the
"mode passing" aspect is a bit peculiar to my own usage so I'm not gung-ho
to
have it this way if an important usage is needed for the local copy of the
gin structure.
plplot_drivers_wingcc.patch.gz
Description: GNU Zip compressed data
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