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I want to write an app that reacts for global shortcuts and accepts commands (the way launchy does).
I'm trying to minimize the time between pressing the shortcut and the moment the window appears on the screen and is fully operational.
Can you suggest a good UI library (with some argumentation) that could be helpful?
I looked into QT and wxWidget but I'm afraid the app will get heavy (in memory / processing speed way) - and all I need is a small window that doesn't even need to be pretty.
.. or should I just go with native Windows libraries? (the main target is my Windows 7 machine)
Fast? Small? Windows-only? Sounds like you want WTL.
Caveat: You'll need to use VC++.
Also, I recommend grabbing the source straight out of SVN, as a new release hasn't been packaged in quite some time despite the fact that the project gets updated with some regularity.
I recommend FLTK!! www.fltk.org
Win32++ no mfc required neither ATL.
If you already know the winapi this is definitely for you. If not it helps a lot.
http://sourceforge.net/projects/win32-framework/
http://www.codeproject.com/KB/winsdk/framework.aspx
If you want the smallest memory footprint and are using windows just directly call the winforms routines provided by windows. This eliminates all the code in all these third party libraries. It's smaller and will be faster.
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This is a rather directionless post I'm afraid an I apologize. I'm trying to figure out how to use Cortana from win32 (non universal) applications. I found this link but I can't tell if there is a way to access these APIs from non-managed code. That sent me on a rabbit trail to find out what this UniversalApiContract stuff is and how to use it form native code but so far I am coming up very empty.
Could someone please provide me with some direction!! What do I even need to search for to begin to learn how to access these APIs natively? Is there some reading on windows runtime that I should undertake?
Thanks in advance and again I apologize for the general questions - not sure where else to turn.
[Expressed displeasure over how many people voted to close the thread without any useful response or suggestions]
Now, on to science.
After spending some time with this it would seem this is not possible. I was able to call the API from Win32 by using the Visual C++ Component Extensions. This allows you to use windows runtime and CLR like concepts but results in purely native code. As a side note, since I wanted to link this with an application that I did not want to recompile with this extension, I did this in a DLL and delay loaded it.
Unfortunately the call to install the voice command definition file failed with a COMException: The process has no package identity. This means I can successfully call the API, however it requires a package identity - in other words, it must be called from a Modern/Store/Universal App context with an application identity.
The only way remaining to me seems to be to use the Cortana background API to interface with a modern app I write in the background, and use it to broker calls from my Win32 app to Cortana through some sort of custom communication. Icky.
I hope this helps save someone else time.
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I am writing an application in which I need to be able to browse for an existing file and to create a new one. I need to create user interface for that. Is there any good cross-platform free library to help me do that?
If you're not already using a cross-platform UI library, then it doesn't make a lot of sense to introduce a dependency upon a huge library just to display a file dialog.
Since recommendations for a cross-platform UI library have already been hashed out repeatedly in other questions (use the search feature to find them if you're interested) and are probably off-topic anyway,
I'm going to take the liberty of assuming that such is not your question.
Therefore, the answer is that no, there is no reliable, cross-platform way of creating a file dialog. Each platform provides a different interface/API for this, so you'll need to write code to detect the current platform and then display the dialog as instructed by each platform's documentation.
You can do this either at run-time (if you want to have a single binary), or at compile-time by using conditional compilation (#if statements).
This is basically all that any UI library would be doing, and for such a simple requirement (a single feature) it makes sense to me at least to just do that work yourself.
You can give wxWidgets a try, a GUI library in C++, free, open-source,... and work with the native graphics libraries.
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Is there any portable c++ library to work with the filesystem?
I know about boost::filesystem, but I need to know if there is any other.
Thanks!
POCO has similar functionality which you can find under Foundation/FileSystem.
There is at least one more solution worth mentioning - STLSoft, a set of BSD-like licensed libraries, contains a cross-platform wrapper under Windows & Unix native filesystem APIs - PlatformSTL project. The benefit in comparison with boost::filesystem is no need to build anything, the whole library is header-only, you can simply include it in your project. The bad side is lack of documentation though, I spent quite some time to figure out how to use it.
What about QT's QFileSystemModel or QFSFileEngine?
You can find it in the SSVUtils library: https://github.com/SuperV1234/SSVUtils
I found that for an application which needs a lot more than the filesystem API defined in the language it makes sense to encapsulate the filesystem API yourself and on a per application level.
Because in this case you usually need some very specific features (you surely do on the iPhone/MacOSX) and this will be not very portable and also missed by boost and others. In this case you need to go a bit higher in your abstraction layer.
Today the operating system API isn't that bad anymore. Writing a wrapper shouldn't take long.
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Using Spy++ tool, it seems that some Microsoft apps use NetUIHWND and DirectUIHWND window classes; e.g.: Word 2010's ribbon seems to be a NetUIHWND, instead Windows Live Messenger window seems to be a DirectUIHWND.
These window classes seem to host kind of cool graphics (with shadows, gradients, etc.); is it possible to use these window classes in our own Win32 C++ apps? Is there any documentation about them?
Yes, it has been around for a while already. But it gets especially a lots of usage in Windows7. Unfortunately, they keep this one to themselves, it is undocumented. You can try to reverse-engineer it, use a ListView as a guide to what it might do. But your code will almost certainly break in the next version of Windows. Which I think was the point of not documenting it, they need something they don't have to keep backwards compatible to be able to improve the look-and-feel of the operating system.
NetUIHWND and DirectUIHWND are the Win32 class types for different GUI toolsets.
From Win32 perspective they are a self drawn panel.
So you wouldn't use these classes directly, you would use the other GUI toolsets to build the UI.
Not sure about the Messenger UI, but you can use the ribbon control in your own apps.
On WTL: https://www.codeproject.com/Articles/54116/Relook-your-Old-and-New-Native-Applications-with-a
On MFC: https://learn.microsoft.com/en-us/cpp/mfc/reference/cmfcribbonbar-class
Use the Microsoft Active Accessibility API:
There is no need to reverse engineer this thing, you can enumerate this class structure using the Microsoft Active Accessibility API.
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Possible duplicate
What is the best open source example of a lightweight
Windows Application?
µTorrent is a small bit-torrent client, a really small one. It doesn't come with an installer, just a exe, you drop in your PATH somewhere. It's super lightweight and yet feature rich. Plus it is the work of one man. It's also closed-source.
Many people have been curious about how it has been written, and there are hints here and there about a custom library etc. But the question is, are there any programs with attributes like µTorrent that are available with source code--attributes like speed, small size, awesomeness.
Possible related question (/questions/9603/what-is-some-great-source-code-to-read), but think smaller than something like the Linux kernel.
Clarification: I don't want examples of bit-torrent source code, but anything which is used by tons of people (validation of awesomeness) and also fast, small and awesome!
I think you should take a look at Notepad++ if you want to see a feature-rich low-consumption of power software :)
Netcat
It's the program that started all of the curiousity behind networks and how things WORK.
Everyone's looked at this source code.
rTorrent is a lightweight, feature-rich, console-only open-source torrent client.
I like Frhed, a simple open-source Windows hex editor.
FRESHMEAT is a great place to start. There are lots of small open source programs available that you can study.
Examples:
XML-RPC specification.C implementation for Python. Its easy to learn and its fun.
Heapq [\Lib\heapq.py] , xml-rpc [\Lib\xmlrpc] and lots of other codes in Python library are very well written.