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Previously, two versions of the `qtwidget` functions existed,
`qwidget()` and `pyqwidget()`, with the only difference being that
`qwidget()` returned a pointer to the `QWidget` object managed by the
corresponding block, while `pyqwidget()` returned that same pointer, but as
an integer (Or `PyLong` in this case).
While `qwidget()` is used by C++ code accessing the widgets,
`pyqwidget()` is only used for the python interface. This makes these
two methods redundant, thus this commit entirely removes `pyqwidget()`,
and modifies the `qwidget()` python wrapper to behave like
`pyqwidget()`. Note that we can be fairly confident that this change
will not effect potential users of `qwidget()`, because any invocation
on the objects previously returned by `qwidget()` would cause a
segmentation fault.
This commit also fixes a memory leak:
Internally, the `pyqwidget()` functions were returning a PyLong `PyObject *`,
which was then upwrapped in a pybind trampoline without decrementing
the reference count of that python object.
Signed-off-by: David Winter <david.winter@analog.com>
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Signed-off-by: Thomas Habets <thomas@habets.se>
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clang-format: ordering includes in gnuradio-runtime
clang-format: ordering includes in gr-filter
clang-format: ordering includes in gr-fft
clang-format: ordering includes in gr-audio
clang-format: ordering includes in gr-analog
clang-format: ordering includes in gr-fec
clang-format: ordering includes in gr-wavelet
clang-format: ordering includes in gr-zeromq
clang-format: ordering includes in gr-vocoder
clang-format: ordering includes in gr-video-sdl
clang-format: ordering includes in gr-trellis
clang-format: ordering includes in gr-blocks
clang-format: ordering includes in gr-digital
clang-format: ordering includes in gr-uhd
clang-format: ordering includes in gr-dtv
clang-format: ordering includes in gr-channels
clang-format: ordering includes in gr-qtgui
clang_format.py: re-enable include reordering
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typical usage:
message_port_pub(pmt::mp("out_port"), …)
which is bad, as it implies hashing of a string, allocation of memory,
deallocation, finding the hashed string in the table of interned strings
and returning a unique pointer (which for reasons of PMT awesomeness
isn't even unique) to the interned port name.
Replacing all these port name ad hoc ::mp() calls by reusing one,
private, port name member.
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Unlike the current QT GUI Entry Widget, this is an actual GNU Radio
block with an output message port 'msg'. When the editing is finished
(enter or change in scope), it triggers the editing_finished method
that publishes the text in the box as a message.
Also allows setting of the value through an input message port.
Adds example test_qtgui_msg.grc to explore this.
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