Review Request 117917: Fixes crashes when exporting the worksheet as LaTeX

[Lucas Hermann Negri]

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Review request for KDE Edu, Alexander Rieder and Filipe Saraiva.


Repository: cantor


Description
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The latex export procedure always tried to access a null pointer, so it always resulted in a crash. Also, the user was asked about exporting the images too, but the read value was never used.

I've fixed the crash, but there is still missing functionality. I've added basic support for exporting the images, since it was ignoring the user option to export images, but it is far from complete since the images are not referenced inside the latex file.


Diffs
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  src/latexentry.cpp b3ce962 
  src/worksheet.cpp 082e116 

Diff: https://git.reviewboard.kde.org/r/117917/diff/


Testing
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Latex export seems to be working with or without exporting images too.


Thanks,

Lucas Hermann Negri

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