Bundle custom widget lib for Qt Designer about qgis-mac-packager HOT 11 CLOSED

fixed by usage of DYLD_INSERT_LIBRARIES

the Designer must be lauched by wrapper script located in QGIS.app/Contents/MacOS/bin/designer

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Yes it would we great to get it. I have plenty of custom forms not working anymore in QGIS3 that have to be updated with custom widgets. Currently the only way is by running QGIS inside a Linux VM. Thats's not really convenient.

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To me, the best approach seems to copy the Designer.app directly into QGIS bundle.

Following this answer, it seems possible

• Run cmake with -D WITH_CUSTOM_WIDGETS=ON (done in #22)
• Copy /usr/local/opt/qt/libexec/Designer.app into the bundle (see the above link)
• Check that the custom widget lib is in QT_PLUGINS_DIR (/usr/local/opt/qt/plugins/designer)
• Controls that it opens fine i.e. it can find qgis_core and qgis_gui
• Create a shortuct or make the app visible

@PeterPetrik could you as a quick try, just copy Designer.app in the bundle?
I am not familiar with the code...

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It is the way it's done with windows packages.

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QtDesigner 4 works with only those items.
QtDesigner 4.zip

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should be part or tomorrow's nightly2 builds

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I tried the latest nightly2 which is qgis_nightly2_master_20200723_032054.

I did find Qt Designer packaged inside at QGIS.app/Contents/MacOS/Designer.app

But when launching it, it doesn't include the QGIS custom widgets. But at least it works well.

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maybe related qgis/QGIS#4113

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If forced to take libraries from bundled MacOS/lib, it fails to load some Apple's native frameworks due to symbol/lib clashes (libjpeg, libpng, libtiff and libsqlite3)

peter@pp-mb:/opt/QGIS/qgis-dev$ DYLD_LIBRARY_PATH=/opt/QGIS/qgis-dev/bundle/QGIS.app/Contents/MacOS/lib ./Designer.app/Contents/MacOS/Designer 
dyld: Symbol not found: __cg_jpeg_resync_to_restart
  Referenced from: /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
  Expected in: /opt/QGIS/qgis-dev/bundle/QGIS.app/Contents/MacOS/lib/libJPEG.dylib
 in /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
Abort trap: 6

if I set rpath to bundled lib (equivallent of setting fallback library path), the /usr/lib/libsqlite3.dylib is picked which causes coredump when using QgsProject::instance() (see previous screen)

peter@pp-mb:/opt/QGIS/qgis-dev$ DYLD_FALLBACK_LIBRARY_PATH=/opt/QGIS/qgis-dev/bundle/QGIS.app/Contents/MacOS/lib ./Designer.app/Contents/MacOS/Designer 
src/core/auth/qgsauthmanager.cpp:3711 : (authDbQuery) [1ms] Auth db query exec() FAILED
WARNING: Auth db query exec() FAILED
Segmentation fault: 11

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I created a Platypus application that you can join next to the QGIS application.

Designer.zip

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