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Re: [AUCTeX-devel] [PATCH] Add support for SumatraPDF viewer

From: Arash Esbati
Subject: Re: [AUCTeX-devel] [PATCH] Add support for SumatraPDF viewer
Date: Tue, 09 Feb 2016 22:18:08 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.90

Hi Mosè,

Mosè Giordano <address@hidden> writes:

> 2016-02-09 13:18 GMT+01:00 Fabrice Popineau <address@hidden>:
> I can't find such function on my Emacs, is it available only on
> binaries built for Windows?

It seems so:

,----[ C-h f w32-shell-execute RET ]
| w32-shell-execute is a built-in function in ‘C source code’.
| (w32-shell-execute OPERATION DOCUMENT &optional PARAMETERS SHOW-FLAG)
| Get Windows to perform OPERATION on DOCUMENT.
| This is a wrapper around the ShellExecute system function, which
| invokes the application registered to handle OPERATION for DOCUMENT.
| OPERATION is either nil or a string that names a supported operation.
| What operations can be used depends on the particular DOCUMENT and its
| handler application, but typically it is one of the following common
| operations:
|  "open"    - open DOCUMENT, which could be a file, a directory, or an
|              executable program (application).  If it is an application,
|              that application is launched in the current buffer’s default
|              directory.  Otherwise, the application associated with
|              DOCUMENT is launched in the buffer’s default directory.
|  "opennew" - like "open", but instruct the application to open
|              DOCUMENT in a new window.
|  "openas"  - open the "Open With" dialog for DOCUMENT.
|  "print"   - print DOCUMENT, which must be a file.
|  "printto" - print DOCUMENT, which must be a file, to a specified printer.
|              The printer should be provided in PARAMETERS, see below.
|  "explore" - start the Windows Explorer on DOCUMENT.
|  "edit"    - launch an editor and open DOCUMENT for editing; which
|              editor is launched depends on the association for the
|              specified DOCUMENT.
|  "find"    - initiate search starting from DOCUMENT, which must specify
|              a directory.
|  "delete"  - move DOCUMENT, a file or a directory, to Recycle Bin.
|  "copy"    - copy DOCUMENT, which must be a file or a directory, into
|              the clipboard.
|  "cut"     - move DOCUMENT, a file or a directory, into the clipboard.
|  "paste"   - paste the file whose name is in the clipboard into DOCUMENT,
|              which must be a directory.
|  "pastelink"
|          - create a shortcut in DOCUMENT (which must be a directory)
|              the file or directory whose name is in the clipboard.
|  "runas"   - run DOCUMENT, which must be an excutable file, with
|              elevated privileges (a.k.a. "as Administrator").
|  "properties"
|          - open the property sheet dialog for DOCUMENT.
|  nil       - invoke the default OPERATION, or "open" if default is
|              not defined or unavailable.
| DOCUMENT is typically the name of a document file or a URL, but can
| also be an executable program to run, or a directory to open in the
| Windows Explorer.  If it is a file or a directory, it must be a local
| one; this function does not support remote file names.
| If DOCUMENT is an executable program, the optional third arg PARAMETERS
| can be a string containing command line parameters, separated by blanks,
| that will be passed to the program.  Some values of OPERATION also require
| parameters (e.g., "printto" requires the printer address).  Otherwise,
| PARAMETERS should be nil or unspecified.  Note that double quote characters
| in PARAMETERS must each be enclosed in 2 additional quotes, as in """.
| Optional fourth argument SHOW-FLAG can be used to control how the
| application will be displayed when it is invoked.  If SHOW-FLAG is nil
| or unspecified, the application is displayed as if SHOW-FLAG of 10 was
| specified, otherwise it is an integer between 0 and 11 representing
| a ShowWindow flag:
|   0 - start hidden
|   1 - start as normal-size window
|   3 - start in a maximized window
|   6 - start in a minimized window
|  10 - start as the application itself specifies; this is the default.

>> I think there may have been some misunderstanding.
>> My only point was to say that people should be allowed to reference an
>> absolute path,
>> not that you should propose one :-)
> Users are free to do what they want, of course ;-)
> `TeX-view-program-list' can be abused as they like, and I think that's
> what most users has done so far.
> My point is that `TeX-view-program-list-builtin' shouldn't hard-code
> an absolute path unless there is a wide-spread standard that it's
> unlikely to be broken (and using the portable version of SumatraPDF
> breaks the path chosen by the installer).

I agree, `TeX-view-program-list-builtin' should not hard-code absolute
paths.  I think it could act as a blueprint for users how to customize
their specific setup in `TeX-view-program-list'.  `TeX-expand-list' is
not the easiest thing to understand within AUCTeX.

Best, Arash

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