wxWidgets Discussion Forum

I tried to add an item with a bitmap to a data view but did not get it to work: // Add the column. m_ctrl->AppendBitmapColumn("Image", 1, wxDATAVIEW_CELL_INERT, -1, wxALIGN_CENTER, wxDATAVIEW_COL_RESIZABLE|wxDATAVIEW_COL_REORDERABLE); // Create the bitmap. wxImage* applesImage = new wxImage(apples_x...

With other packages, I have run the configure tool with the following paramters. Don't know if it works for wxWidgets too.

Yep, backticks don't work in the Windows shell; it's a Unix shell feature. You can still run wx-config (if it exists) from the command line. It will write the g++ options to the console. You can copy & paste it when you run g++. wxUSE_FILESYSTEM is probably defined in setup.h; the same setup.h shoul...

Add a search path to gcc using the -I option. gcc -I/path/to/include/files demo.cpp -o demo Or use wx-config to determine this path for you. It is available for Linux; don't know about WinXP/MinGW. gcc `wx-config --cxxflags` -c demo.cpp wx-config can determine other compiler options, such as where t...

You must not use Wait() and Signal() in the same thread. One thread does some work and calls Signal() when it is ready. Another thread can call Wait() or WaitTimeout() to wait for the other thread to finish. If we call the thread that does the work the "worker thread" and the thread that waits the "...

When compiling the wxWidgets library or your program?

AFAIK the best size is the preferred size of the control. When you call wxWindows::Fit() on the parent window, it tries to honour this best size.

When the user resizes the parent windows, the minimum and maximum size is limited by the min and max sizes of the controls.

A reason might be that you create the mutexes when static variables are initialized. If this occurs before wxWidgets is correctly initialized, wxWidgets memory leak detection can get confused.

Try initializing the static variables to 0. Create the mutex in wxApp::OnInit().

I had some other problems with wxBitmapButton as well which were solved when I first create a wxImage, then a wxBitmap from this image. wxImage image(imagePath); wxBitmap bitmap; if (image.IsOk()) bitmap = wxBitmap(image); At least transparent PNG images work this way (I haven't tried PNG images wit...

Maybe because the thread is no longer running? Maybe because any of the pointers "Pointer" and "ThreadLink" are no longer valid?

I am not familiar with the document/view framework of wxWidgets. I am not exactly sure what you want to do. However paint events should be handled by the window that receives the paint event. Paint events are generated by the OS, whenever the OS decides the window needs repainting. E.g. when the win...

wxList has some stack-like functions, such as push_front() and pop_front(). You can also use wxArrayString if you need array-like accecss.

Catch the click event in your frame and call the canvas Refresh() and Update() members?

Why do you expect a disconnect message? When a client machine goes into sleep mode, the (Windows) OS does not automaticly close open connections. You can use a time-out mechanism to determine a client is no longer live. If you haven't received a message from the client for some period of time, the s...

You can't. All GUI calls must be done in the main thread. That includes creating windows. If a thread, other than the main thread, needs to display a dialog, you can send an event from the thread to the main thread. The main thread can then create and show the dialog. If the thread needs to wait unt...