Re: html browser preview help

[rpd]

Hi ken-93

Thanks for your prompt response & encouragement to me to get this html
preview emacs function working.

As I am using Vista O/S at command shell/prompt simply running start
filename.html opens internet explorer (MS/Vista browser & btw it does have
tabs) with the local directory file opening.
Somehow I need to get Emacs lisp to understand this!

Thanks & regards

ken-93 wrote:
> 
> 
> Hey, it looks like you're almost there.
> 
> Go to the command prompt ("Start | Run | cmd"... something like that)
> and try to get explorer to open a local html file.  From what you're
> telling me something like:
> 
>> start iexplore.exe filename.html
> 
> should work.  I don't know... don't use explorer much.  There might be
> an option to tell it to pop a new window and/or not to.
> 
> Seems to me that since your function is getting through to explorer but
> it doesn't know it's supposed to open a particular file, you need to
> change something in that "(concat ..." line.  For one thing, since
> explorer doesn't use tabs (or does it?), take out the "-new-tab" stuff;
> that's a firefox option.  You also have that string in the final "(setq
> ..." line.
> 
> Once you figure out how to get explorer to pop a window and load the
> file you designate-- *from the command line*-- then you'll be closer to
> getting a working emacs function.
> 
> 
> hth,
> ken
> 
> 
> On 09/03/2009 04:42 PM rpd wrote:
>> Hi ken-93
>> 
>> Thanks again for your helpful reply.
>> I have tried to follow your advice & code but I still need some help.
>> (BTW O/S=Vista & browser=InternetExplorer8)
>> 
>> To open internet explorer from the shell> start iexplore.exe
>> 
>> From this I edited your .emacs defun code to:
>> 
>> (defun browse-file-url-ie-new-tab (url &optional new-window) 
>>   "Open the current file, the file associated with the current buffer, 
>>  in a new IE tab." 
>>   (interactive "i") 
>>   (unless 
>>       (string= "" 
>>                (shell-command-to-string 
>>                 (concat "start iexplore.exe" buffer-file-name 
>> ", new-tab)'"))) 
>>     (message "Opening in IE new tab: " buffer-file-name))) 
>> (setq browse-url-browser-function 'browse-file-url-ie-new-tab) 
>> 
>> When I try this I get a browser to open at my homepage. 
>> (I have tried to edit this in other ways but again with no success).
>> 
>> The code I have which opens my IE browser normally is:
>> 
>> (setq 
>>  browse-url-browser-function 'browse-url-generic
>>  browse-url-generic-program "C:\\Program Files\\Internet
>> Explorer\\iexplore.exe")
>> 
>>  (setq gnus-button-url 'browse-url-generic
>>  browse-url-generic-program "C:\\Program Files\\Internet
>> Explorer\\iexplore.exe"
>>  browse-url-browser-function gnus-button-url)
>> 
>> Any idea how I should proceed/what I can try to fix this please?
>> Many thanks & best wishes
>> 
>> 
>> 
>> ken-93 wrote:
>>>
>>> I've been doing this for a long time in html-helper-mode so, yes, it can
>>> be done.  I created my own function though... actually two of them: one
>>> to open the current (html) buffer in a new tab (for displaying the html
>>> file the first time) and another function to open that same current
>>> buffer in the same tab (for displaying the html file subsequent times).
>>>
>>> You don't say which browser you want to do this with and, of course, the
>>> emacs function is going to need to know this (unless you use an
>>> environmental variable to designate it, in which case you'll need to
>>> determine what that is).  In addition, you'll need to know which version
>>> of that browser (whichever it is) you have.  I've been using firefox for
>>> quite a time and often, when I upgrade it, the command for loading a url
>>> into an existing tab or into a new tab changes; of course this means I
>>> have to alter my emacs/html-helper-mode function.
>>>
>>> In short, the first thing to do is to find out what the commands work
>>> from your shell to open a new- or a current-tab (or window, if that's
>>> what you prefer) in your browser and give it a url.  Then, after you've
>>> successfully done these from the cli, then plug these into an emacs
>>> function.  The cli input which works for me to open a file in a new tab
>>> is:
>>>
>>> /usr/bin/firefox -new-tab [url]
>>>
>>> Other commands work also.  Much depends on what your firefox defaults
>>> are.  One configuration I have is to "open new urls in a new tab"; this
>>> (for some silly reason) prevents me from opening a url in the current
>>> firefox tab.  It didn't always do this; earlier Firefox versions had an
>>> option to open a url in a current tab.  The lesson from this is that
>>> what cli command you use is going to depend upon, not just which browser
>>> you use, but also which *version* of that browser as well as what
>>> preferences you've set for that browser/version.
>>>
>>> You also didn't say which OS you're using and that can of course play a
>>> role in which command you'll plug into your emacs function.
>>>
>>> Anyway, once you figure out what command(s) do(es) what you want, plug
>>> it into:
>>>
>>> ;;Works for opening a file in a new firefox tab
>>> (defun browse-file-url-firefox-new-tab (url &optional new-window)
>>>   "Open the current file, the file associated with the current buffer,
>>>  in a new Firefox tab."
>>>   (interactive "i")
>>>   (unless
>>>       (string= ""
>>>            (shell-command-to-string
>>>             (concat "firefox -a firefox -remote 'openURL(file://" 
>>> buffer-file-name
>>> ", new-tab)'")))
>>>     (message "Opening in Firefox new tab: " buffer-file-name)))
>>> (setq browse-url-browser-function 'browse-file-url-firefox-new-tab)
>>>
>>> Just change the "(concat ..." line to reflect the cli command which
>>> works for you.
>>>
>>> Since firefox (nonsensically) did away with a command-line option for
>>> opening a url in a current tab, I now have to change focus to firefox
>>> and reload the tab to show any editing I've done (in emacs) since
>>> previously displaying it in firefox.
>>>
>>> (If anyone here has the ear of a firefox developer, tell them to gives
>>> us back the "-current-tab" option.)
>>>
>>> hth,
>>> ken
>>>
>>>
>>> -- 
>>> War is a failure of the imagination.
>>>         --William Blake
>>>
>>>
>>>
>>> On 09/03/2009 06:47 AM rpd wrote:
>>>> Hi
>>>> Just encountered this problem previewing html editing in emacs.
>>>> When I edit html (I have html-helper-mode file loaded) I want to
>>>> preview
>>>> it
>>>> in my browser but cannot yet do so. If I use the 'html' menu item (load
>>>> this
>>>> buffer in browser) or C-c C-z v I just get browser opening at my
>>>> homepage
>>>> &
>>>> not showing the html edit preview I want.
>>>>
>>>> Does anyone know why this is & can help me get my html emacs edit to
>>>> preview
>>>> in my browser?
>>>>
>>>> Again I am most grateful for helpful replies (Emacs is good isn't it?!
>>>> -I
>>>> just wish I could do what I want with it-but I will do it! LOL), many
>>>> thanks
>>>
>>>
>>>
>> 
> 
> 
> 
> 

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