Easy to extend IDE for C - c

I want an simple IDE/editor for C in Linux to which I can add features easily. For example: I want to add a right click menu item and a related action for the editor. It should be easy to extent and add any desirable functionality. I tried eclipse CDT but its to much of learning(I mean knowing the eclipse plug-in architecture and the CDT extension points and stuff) to do for the small modification/s I want to do.
Thanks,
Sachin

I personally use Code::Blocks, which according to their website also has a Linux ditribution. http://www.codeblocks.org/
I don't know whether it's very extendable, but it has all the features you'd expect from an IDE.
QuantumPete

I would try emacs (but the programming you have to do is in LISP. it is easy, when you get the knack with parantheses). you can do the programming depending on context of the buffer (.c other than .h) an it has a very big c-mode which has many of the most need things implemented already.
Example: insert if
;; the indention-thing needs refining
(defun pm-if ()
"generates if stub"
(interactive)
(insert "if () {")
(indent-according-to-mode)
(newline)
(indent-according-to-mode)
(newline)
(indent-according-to-mode)
(insert "} /* endif */")
(indent-according-to-mode)
(newline)
(indent-according-to-mode)
(previous-line 3)
(end-of-line)
(goto-char (- (point) 3))
)
;; bind it to CTRL-c i
(define-key Ctl-C-keymap "i" 'pm-if)

Look at QDevelop - it`s quite simple but featured ide/editor for qt applications. 5 mins look at source files gives me a way to add a right click menu item :) Steps to reproduce:
Download source, try to build - i had no problems with that
Run, right click on some text in editor window - for instance there is a "Goto Implementation" item there
That text is in src/textEdit.cpp file as:
connect(menu->addAction(QIcon(":/treeview/images/cpp.png"), tr("Goto Implementation")), SIGNAL(triggered()), this, SLOT(slotGotoImplementation()) );
So, slotGotoImplementation() - is a func that will be called. Add your actions in a way like all other actions implemented there.
There are some information on a site about writing plugins to the editor - may be it`s a better way to extend features, but adding some pieces code to source seems easier.

Look at codeblocks and how to write plugins for it. It is the simplest way to add new functionality to the current application. This should be a good starting point for doing a plugin for codeblocks.

Acme
http://plan9.bell-labs.com/sys/doc/acme/acme.ps
this is the Linux port
http://swtch.com/plan9port/

Look into Anjuta. It's an IDE for GNOME/Glib type applications and to my knowledge is written in C, and has a plugin framework that should be useful.

Related

Installshield 2011: Take path from one window, take text from second

Good day, everyone. I have that task assigned which consists in creating simple installscript-only project, that should have 2 windows: first will prompt user to enter a path and create text file in this specified location, while second will promt for text input and save anything user writes into this text file.
Funny point is that I have small installshield experience (completed tutorials... well, yeah, that's all) and very little programming experience on top of that. As far as i understand, I should first create two custom dialog windows (for example by cloning them from standard ones), then create .rul files with functions, determining behavior for each. After which, include them into main setup.rul and call functions at specific point of time.
Question is - what exact dialog windows/functions/points of time will be best for such task? For reference i searched into "Serial Number Validation Sample Project" but, honestly, the way it customized default window is just confused me even more... So, please, can anybody help? Thank you.
For future reference, here's working solution.
Asked that same question at flexera forums, and here's what I got:
Off the top of my head (without InstallShield handy to check this) 1)
Create an InstallScript project, just accept all of the defaults in
the new project wizard unless you want to add localization or
something. 2) Your description implies that you do not need
maintenance (repair, modify, uninstall) support. If correct go to
Project\Settings and on the Maintenance tab select 'no uninstall or
maintenance'. 3) You can put your code at the top of the
OnFirstUIBefore function and then call Exit so that the rest of that
default code is never executed, since you are not installing anything.
As part of your InstallShield IDE, in the Start menu (for IS2012
Spring) is a tool that demonstrates all of the built in dialogs. You
can look through those choices and select the dialog that is best for
your situation. It sounds like you want to:
Call AskPath or SdAskDestPath (there are several other possibilities)
Then call AskText and save that string.
If you need to make layout or text changes to the default dialogs look
at your Dialogs view and select which ever dialog you selected above
and edit it. (If you decide to use skins make sure you select the skin
before you make any dialog layout changes.)
Then do something similar to the functional body of the WriteLine
example http://kb.flexerasoftware.com/doc/Helpnet/installshield14langref/LangrefWriteLine_Example.htm
The actual WriteLine example function prototype is for a MSI custom
action which is not what you want. Ignore the function protoype and
just use the code in your project to create the file at the path you
already collected and write the line of text that you collected.
Then call Exit;
(big thanks to user phill_mn for that answer)
And here's the code for setup.rul:
#include "ifx.h"
function OnFirstUIBefore()
number nvFileHandle;
string svResult;
string szTargetPath, szFeatures;
BOOL bLicenseAccepted;
begin
AskPath ("Please choose a path where text file will be saved","c:\\",szTargetPath);
MessageBox("File yourtext.txt wiil be created or overwritten at " +szTargetPath, INFORMATION);
AskText ("Please enter some text to save into that file", "Text goes here", svResult);
OpenFileMode (FILE_MODE_APPEND);
if (CreateFile (nvFileHandle, szTargetPath, "yourtext.txt") < 0) then
MessageBox ("Creating failed.", SEVERE);
abort;
else
if (WriteLine(nvFileHandle, svResult) < 0) then
MessageBox ("Writing failed.", SEVERE);
else
MessageBox ("Success.", INFORMATION);
endif;
endif;
CloseFile (nvFileHandle);
Do(EXIT);
return 0;
end;

Agile Toolkit localization

I read the answer here for a question about bilingual atk, but I wonder if the framework is adapted for international use?
I tested the CRUD functionality (v 4.2) and cannot see that e.g. the labels of the buttons (Add, Edit, Delete) are run through the _() function.
Any plans for that? If needed and ATK is the right path, could I assist? If so how?
Here is the most recent localization branch.
https://github.com/atk4/atk4/tree/locale
they call $this->api->_() which you can override and make it call _() or any other way.
$this->add('translation/Controller_Basic')
->setLocale('de') // default language
->setModel('translation/Translation'); // use your model if you wish
$this->routePages('translation'); // adds translation/admin page
$this->add('Button')->setLabel('Localization Test');
If you use the translation controller with debug argument, it will add smileys to all the non-localized strings:
$this->add('translation/Controller_Basic',array('debug'=>true))
Records which has no translation will be automatically added through the model.

File browser in R

I need to write a small R script for people who never used R before that imports a file and does some things with it. I would like to minimize user input as much as possible, and since assigning the file-path is basically all the user input required I was wondering, is it possible to get a popup screen (basically your usual "open file" screen) allowing someone to select a file (import the name as string in R or something)?
The file.choose function performs this, eg:
fname <- file.choose()
source(file.choose())
You may also want to look at choose.files (for multiple files) and choose.dir (for just selecting a directory path).
The tcltk package gives you tk_choose.files.
If you want to go beyond file choosers then you can use the package to build user interfaces.
It's worth mentioning rChoiceDialogs::rchoose.files. I'm not completely sold yet, but they advertise it as being completely cross platform and fixing the annoying problem common to choose.files and tk_choose.files of popping up behind other windows. See their vignette here.

What's a good, affordable "knob" library?

I'm currently thinking of a new pet project, an "editor" for MIDI-enabled synths. I've got the MIDI side covered, I suppose, but what I'm looking for right now is something that can pass for nice "dials" and "knobs" like you see in Ableton Live, Reason, Reaktor, and so forth.
Putting my form full of trackbars, is sort of wasteful, y'know?
So, what is a nice affordable .NET 2.0 library that has that sort of graphical components?
1- http://www.codeproject.com/KB/cs/industrial_controls.aspx has some related controls (C#)
2- http://www.c-sharpcorner.com/UploadFile/desaijm/KnobControlusingWindowsForms11182005004925AM/KnobControlusingWindowsForms.aspx is another C# based Knob Control
Used the (2) personally on one project and it worked great (though not visually very strong). (1) looks cooler but havn't explored
Check out some of these. If none just do search for ".net gauges". Most of the major UI control libraries have a gauge or dashboard library.
http://www.perpetuumsoft.com/Product.aspx?lang=en&pid=44
http://www.brothersoft.com/software_developer/microsoft_.net/.net_dashboard_suite_56186.html
http://www.componentone.com/SuperProducts/GaugesSilverlight/
http://www.dundas.com/
I've never used this myself, but found KineticaRT controls. $67.06.
(source: eclipse.co.uk)
GMSI.Net Knob v2.0. $169.00.
alt text http://www.globalmajic.com/mc_images/product/thumbnail/net_knob150.jpg

How do you build a multi-language web site?

A friend of mine is now building a web application with J2EE and Struts, and it's going to be prepared to display pages in several languages.
I was told that the best way to support a multi-language site is to use a properties file where you store all the strings of your pages, something like:
welcome.english = "Welcome!"
welcome.spanish = "¡Bienvenido!"
...
This solution is ok, but what happens if your site displays news or something like that (a blog)? I mean, content that is not static, that is updated often... The people that keep the site have to write every new entry in each supported language, and store each version of the entry in the database. The application loads only the entries in the user's chosen language.
How do you design the database to support this kind of implementation?
Thanks.
Warning: I'm not a java hacker, so YMMV but...
The problem with using a list of "properties" is that you need a lot of discipline. Every time you add a string that should be output to the user you will need to open your properties file, look to see if that string (or something roughly equivalent to it) is already in the file, and then go and add the new property if it isn't. On top of this, you'd have to hope the properties file was fairly human readable / editable if you wanted to give it to an external translation team to deal with.
The database based approach is useful for all your database based content. Ideally you want to make it easy to tie pieces of content together with their translations. It only really falls down for all the places you may want to output something that isn't out of a database (error messages etc.).
One fairly old technology which we find still works really well, is to use gettext. Gettext or some variant seems to be available for most languages and platforms. The basic premise is that you wrap your output in a special function call like so:
echo _("Please do not press this button again");
Then running the gettext tools over your source code will extract all the instances wrapped like that into a "po" file. This will contain entries such as:
#: myfolder/my.source:239
msgid "Please do not press this button again"
msgstr ""
And you can add your translation to the appropriate place:
#: myfolder/my.source:239
msgid "Please do not press this button again"
msgstr "s’il vous plaît ne pas appuyer sur le bouton ci-dessous à nouveau"
Subsequent runs of the gettext tools simply update your po files. You don't even need to extract the po file from your source. If you know you may want to translate your site down the line, then you can just use the format shown above (the underscored function) with all your output. If you don't provide a po file it will just return whatever you put in the quotes. gettext is designed to work with locales so the users locale is used to retrieve the appropriate po file. This makes it really easy to add new translations.
Gettext Pros
Doesn't get in your way while coding
Very easy to add translations
PO files can be compiled down for speed
There are libraries available for most languages / platforms
There are good cross platform tools for dealing with translations. It is actually possible to get your translation team set up with a tool such as poEdit to make it very easy for them to manage translation projects
Gettext Cons
Solves your site "furniture" needs, but you would usually still want a database based approach for your database driven content
For more info on gettext see this wikipedia page
They way I have designed the database before is to have an News-table containing basic info like NewsID (int), NewsPubDate (datetime), NewsAuthor (varchar/int) and then have a linked table NewsText that has these columns: NewsID(int), NewsText(text), NewsLanguageID(int). And at last you have a Language-table that has LanguageID(int) and LanguageName(varchar).
Then, when you want to show your users the news-page you do:
SELECT NewsText FROM News INNER JOIN NewsText ON News.NewsID = NewsText.NewsID
WHERE NewsText.NewsLanguageID = <<Session["UserLanguageID"]>>
That Session-bit is a local variable where you store the users language when they log in or enters the site for the first time.
Java web applications support internationalization using the java standard tag library.
You've really got 2 problems. Static content and dynamic content.
for static content you can use jstl. It uses java ResourceBundles to accomplish this. I managed to get a Databased backed bundle working with the help of this site.
The second problem is dynamic content.
To solve this problem you'll need to store the data so that you can retrieve different translations based on the user's Locale. (Locale includes Country and Language).
It's not trivial, but it is something you can do with a little planning up front.
#Auron
thats what we apply it to. Our apps are all PHP, but gettext has a long heritage.
Looks like there is a good Java implementation
Tag libraries are fine if you're using JSP, but you can also achieve I18N using a template-based technology such as FreeMarker.

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