I am using QtCreator 2.7.2 with Windows 8 to develop a C++ Console Application.
I need to use standard input.
When I run the application, an empty console window appears. If I type text then my application processes that text correctly. However, I don't manage to copy and paste text (instead of typing) into the console (Ctrl+V yields '^V', Shift+Insert doesn't work either).
Is there any way to do this?
Thanks in advance!
Right click in console window and select Paste.
To copy, right-click on console window and select, after Ctrl+C.
You can try:
shift+print screen this equals ctrl+c
and
shift+insert equals ctrl+v
Related
I have a WinAPI/Win32 application. If I try to use cin/cout/cerr when it is run from a command prompt, it doesn't work. I tried switching the project type from Windows Application to Console Application, but the problem is that a console window appears when I run it normally by double-clicking the executable.
So my question is: Is there any way I can use cin/cout/cerr with the parent (calling) console window in a Win32 application? (I only want this behaviour if parameter /c or /? were passed, so if it is called with no arguments then no matter what it should launch the GUI).
A GUI app does not have a console window attached to it by default.
When a GUI app is run from a console process, the GUI app can use AttachConsole() to attach itself to the console.
Or, if the GUI app is not run from a console process, but still wants to use a console window, it can create its own console window using AllocConsole().
Once the GUI app is attached to a console, it can use GetStdHandle() to get handles to the console's STDIN/STDOUT, and then redirect cin/cout to use them (how is dependent on your particular STL implementation).
Or, you can ignore cin/cout and just use ReadConsole() and WriteConsole() directly instead.
I have created a windows application in C++ and I want to make so whenever I run it, it doesn't steal focus from whichever window is currently focused(or maybe steal the focus and give it back right away). I'm not creating any window so i'm not sure how to change the window style, my program runs in the background.
I couldn't find any answer that worked for C++, is there any way I can do this?
When you start your application by clicking on the EXE or shortcut, Windows Explorer takes focus, not your app. The only way to start your app and not let Windows Explorer take focus is to start your program when Windows starts, via registry key.
Make sure you use the extended style WS_EX_NOACTIVATE when using CreateWindowEx().
See the Microsoft Docs for CreateWindowEx.
I am very new to C++ programming and the bulk of my program will be using the QT libraries. However, there is one part where I believe I will need to use Win32.
The scenario I want to code for is as follows:
I will have a QT application running. I want to be able to take some text which has been typed into a TextBox on the QT Window and paste that text into a TextBox in another application e.g. the address bar of Chrome, the address bar of Windows Explorer.
I want to be able to do that as a response to a button click on the QT Window. So, it would all happen in 3 steps. For example:
User types text into QT Window;
User places cursor in address bar of Chrome (Browser);
User clicks button on Window which pastes text into address bar of Chrome.
A nudge in the right direction would be most appreciated.
Edit - Additional Info
The application I’m building is a self-set assignment. I want to build a clipboard manager, similar to this old Delphi application http://www.joejoesoft.com/vcms/97/ . It will run in the system tray, in a minimised state.
The user, will put their focus into a text input in some application
which is running on their Windows machine e.g. Notepad.
Then, they will hit a hot key combination which will open a form (my QT Window.
The application will have been collecting clips as the user presses Ctrl-C (or by right-clicking) and those will be listed in that QT Form (just like the app in the link above).
The user then clicks on the particular item that they want paste and it will be pasted into the original input that they had put the cursor into.
Further Edit - further info
I'll break step 4 into a couple of sub-steps as it is causing confusion:
The user then clicks on the particular item that they want paste
Focus changes from QT Window back to the window of the other Win32 application which originally had focus
Content is pasted into the input control which now has the focus
I pretty much know how I can gather up items when the user copies things. But I have no idea how I will paste from my application to the target application.
Cheers
If I open my application an empty console window appears, since I added CONFIG += console to my .pro file. I need the console, because I've implemented a CLI, where some stuff needs to get printed out on the console. On Linux and Mac OSX, I don't actually need the CONFIG += console there. It just works.
How can I prevent opening a windows console, if the .exe gets executed normally over a double click, but display some outputs if my .exe gets started via a console window?
Basically, I use qDebug() << "myText"; and then after that I exit the application with return 0;.
Unfortunately, Windows is somewhat deficient in this area. A console application will always open up a console, even if you don't want it. You can close it right away, but it still looks bad.
Your application must be a non-console application. On startup, check if you have access to a console, as you would when launched from cmd.exe. Then access cmd's console and inject your output into it.
See my question about this for details.
It is a GUI application? AFAIK it is not possible (or at least not trivial) writing a mixed Qt application that can act as both, a desktop (GUI) application and a console (CLI) application.
I am not sure what you intend to do. If you really need a console variant, try to build two different applications based on the same sources (one console build and one GUI build).
If you only need a GUI application that is able to print out some information, remove the console code and write the output into a file instead.
I think here is an answer for you question: https://stackoverflow.com/a/3370017/1091536
You need console application, than launch your GUI application and prints it's output.
The application for launch your GUI application you can find here https://github.com/gomons/AppDebugLauncher
It's worth noting that under some circumstances the console window won't briefly appear. For example if you run in gui mode via a shortcut with Run set to Minimized: the console window won't appear. Then, in your code, you can restore the size of the gui window. Its a bit of a nasty workaround but masks the behaviour from the user that bit more.
If you're program is going to be installed and usually started via shortcut, then its maybe its an option.
I'm writing a console program.
The program doesn't print anything.
So, it doesn't need to a console window.
I tried to call FreeConsole() function at program starting point.
When I execute the program from windows explorer, a console window appears and then disappears.
But I wish the console window never appears.
How can I do that?
Thanks in advance.
If you are using Visual Studio .Net then create a normal console application and change the output type to Windows application.
Use WinMain instead of main as your program's entry point: WinMain at MSDN