Instead of using the Qt QMessageBox class directly a new class
MessageBox (MessageBox.hpp) has been added to deal with platform
independence issues like the title not being shown on Mac OS X.
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Rationalize the status bar construction and maintenance.
Ensure that incoming UDP Reply messages reset the watchdog.
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The watchdog configuration is now a spin box of minutes with a special
first value of disabled. WSJT-X counts down minutes on the minute, if
the countdown reaches zero any attempt to transmit is aborted. The
countdown is reset by any mouse press or key press event inside the
main window or if the Tx message changes (auto sequencing).
The status bar now shows the Tx watchdog countdown if it is
active. This information is shown to the right of the progress bar
text.
The warning message boxes triggered within the GUI update routine now
no longer block the GUI updates.
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Message boxes and accepted incomming UDP actions alert the user even
if the application is hidden. This does not steal focus as that is
considered bad practice and is annoying.
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Fixed naming of fast recording files.
Tidied some signal/slot plumbing in the fast plotter.
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This change corrects timing discrepancies on the horizontal fast
spectrum plot.
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Using the reference spectrum discards a short part of the front of the
period's received samples which may have contained a decode candidate.
As far as the MSK modes are concerned the reference spectrum
correction is probably not applicable anyway.
Comment from Steve K9AN after offline discussions about this:
"In any case, I don’t think that there is any reason to apply the
reference spectrum correction to the MSK modes. I do think that we are
paying a performance penalty in the MSK modes for non-ideal filter
responses at the TX and RX ends of the link — but we would need to
implement an equalizer that looks at the received sync words as a
“training sequence” in order to come up with anything that could
improve the results. This would take into account the receiver and
transmitter filters, and would probably be different for every
TX/RX/meteor burst. My current thinking is that for the low SNRs that
we are most interested in, and with the short sync words that we use,
we wouldn’t be able to do a very good job of estimating the
coefficients of the equalizer..."
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Move the FFTW3 cleanup into the main routine as it should only be
called once rather than every time the settings configuration is
changed or reset (MultiSettings).
Call the new fini_ldpc_ routine before exiting in the main routine to
free the LDPC resources.
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These include the wide graph window not being suppressed when starting
the application in a fast mode.
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These were discovered when running under teh valgrind MemCheck tool. I
have also checked in a suppressions file (wsjtx-valgrind.linux.supp)
suitable for use on Linux when running the valgrind MemCheck tool.
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Highlight, in the CQ colour, CQDX ... and QRZ ... messages and
process correctly for worked before and DXCC entity.
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Refactor the save WAV file routine to return an error string as a
promise and then get that result and report in a QMessageBox.
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Pass file path for peg-128 files to fast_decode(). (Inelegant, but it works.)
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Build now creates and installs a UDP library that contains the server
side of the UDP messaging facility. This library is used by the
udp_daemon and message_aggregator reference examples. The new library
is currently a static archive but can also be built as a shared
library. The library allows third party Qt applications to easily
access UDP messages from WSJT-X.
Refactored the message_aggregator reference example to split out
classes into separate translation units. Added new functionality to
exercise the new UDP status fields, highlight own call, CQ/QRZ
messages and decodes near Rx DF.
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Use the decoded text font for the message averaging window.
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During orderly close down the UI can be destroyed while Rx audio
blocks are still being delivered. Therefore the UI pointer must be
checked in MainWindow::datasink before attempting to access the UI
widgets.
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The decoded message processing relies on fixed column positions so the
extra character used in message averaging to indicate sync flips must
also be allowed for in other modes. This is done by inserting a space
character.
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