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[Fixed] LibreCAD leaves Qt filedialog

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November 21, 2013 - 9:59am
#1
Simeon
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[Fixed] LibreCAD leaves Qt filedialog

I run LibreCAD on Win 7 and opened a file. This causes the QT filesave part to appear in the registry which isnt backed up/deleted/taken care of:

----------------------------------
Keys added:
----------------------------------
HKCU\Software\Trolltech
HKCU\Software\Trolltech\OrganizationDefaults
HKCU\Software\Trolltech\OrganizationDefaults\Qt

----------------------------------
Values added:
----------------------------------
HKCU\Software\Trolltech\OrganizationDefaults\Qt\filedialog:  40 00 42 00 79 00 74 00 65 00 41 00 72 00 72 00 61 00 79 00 28 00 00 00 00 00 00 00 BE 00 00 00 00 00 00 00 03 00 00 00 00 00 00 00 1E 00 00 00 00 00 00 00 FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 72 00 00 00 00 00 0E 00 00 00 01 00 00 00 00 00 00 00 05 00 01 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 05 00 66 00 69 00 6C 00 65 00 3A 00 00 00 00 00 00 00 17 00 66 00 69 00 6C 00 65 00 3A 00 2F 00 2F 00 2F 00 43 00 3A 00 2F 00 55 00 73 00 65 00 72 00 73 00 2F 00 73 00 6B 00 75 00 65 00 68 00 6C 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 18 00 00 00 44 00 00 00 3A 00 00 00 5C 00 00 00 44 00 00 00 6F 00 00 00 63 00 00 00 75 00 00 00 6D 00 00 00 65 00 00 00 6E 00 00 00 74 00 00 00 73 00 00 00 00 00 00 00 18 00 00 00 44 00 00 00 3A 00 00 00 2F 00 00 00 44 00 00 00 6F 00 00 00 63 00 00 00 75 00 00 00 6D 00 00 00 65 00 00 00 6E 00
 00 00 74 00 00 00 73 00 00 00 00 00 00 00 7E 00 00 00 00 00 00 00 FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 8D 00 00 00 00 00 00 00 04 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 64 00 FF 00 FF 00 FF 00 FF 00 00 00 00 00 00 00 81 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 D0 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 32 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 32 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 59 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 29 00

EDIT:

As I fix I added 

[RegistryKeys]
-=HKCU\Software\Trolltech\OrganizationDefaults\Qt

to a QT app I am working on. This works, but I hope I am not harming other QT apps with this rather wide approach of deleting the whole key.

EDIT2:
I regshotted my fix and it restores pre-existing keys without issue so it should be safe.

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November 21, 2013 - 12:13pm
vf2nsr
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Will look

Thanks I guess they changed things as it do did not leave them previously

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November 21, 2013 - 4:11pm
(Reply to #2)
Simeon
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I know

Looks like they switched to a newer version of QT.

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November 21, 2013 - 8:24pm
vf2nsr
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Thanks

I have corrected it and sending to John as we type so to say. Many thanks Simeon I appreciate the heads up on it and added your code as well

“Be who you are and say what you feel because those who mind don't matter and those who matter don't mind.” Dr. Seuss

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November 22, 2013 - 6:35am
(Reply to #4)
Simeon
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youre welcome

Testing apps that are already released for changes such as this one is a tedious business I gave up some time ago. Maybe it would be good to have some coordinated effort of some devs to do this but that didnt work with Dev Tests so it will probably not work here either.

"What about Love?" - "Overrated. Biochemically no different than eating large quantities of chocolate." - Al Pacino in The Devils Advocate

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November 22, 2013 - 11:32am
(Reply to #5)
vf2nsr
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It was my fault

As I did it on my Win Hate machine which had it installed and not the clean Win 7 machine got a little lazy and did not run the regshot

“Be who you are and say what you feel because those who mind don't matter and those who matter don't mind.” Dr. Seuss

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November 23, 2013 - 12:26pm
John T. Haller
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RegistryValueBackupDelete

Doing that whole key will break pretty much everything stored by any Qt apps during execution. A better option is to use RegistryValueBackupDelete just on the filedialog value. It would still be possible for two apps to collide on it, but it decreases the collision scope significantly. We'll need to handle the Qt key cleanup, but the two parent keys (rganizationDefaults and Trolltech) are handled by PAL's Qt handling which is already configured. So, we need to add:

[RegistryValueBackupDelete]
1=HKCU\Software\Trolltech\OrganizationDefaults\Qt\filedialog

[RegistryCleanupIfEmpty]
1=HKCU\Software\Trolltech\OrganizationDefaults\Qt

Sometimes, the impossible can become possible, if you're awesome!

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November 24, 2013 - 6:16am
(Reply to #7)
Simeon
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Ah!

Thats what that section is for. I readit 3 times but couldnt figure out what it was useful for.

Besides, I realised the possible downsides of my proposal but couldnt find a way to get a better result. Thanks John for the help.

"What about Love?" - "Overrated. Biochemically no different than eating large quantities of chocolate." - Al Pacino in The Devils Advocate

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November 23, 2013 - 1:27pm
John T. Haller
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Fixed

This is fixed in LibreCAD Portable 1.0.4 Rev 2.

Simeon et al, be sure to look at my updated launcher code above for your own apps.

Sometimes, the impossible can become possible, if you're awesome!

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November 24, 2013 - 10:18am
(Reply to #9)
vf2nsr
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Thanks John

Smile

“Be who you are and say what you feel because those who mind don't matter and those who matter don't mind.” Dr. Seuss

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November 25, 2013 - 11:21am
(Reply to #10)
Simeon
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[RegistryCleanupIfEmpty]

In Johns update, there is this part:

[RegistryCleanupIfEmpty]
1=HKCU\Software\Trolltech\OrganizationDefaults\Qt

Shouldnt this include this too:

2=HKCU\Software\Trolltech\OrganizationDefaults
3=HKCU\Software\Trolltech

"What about Love?" - "Overrated. Biochemically no different than eating large quantities of chocolate." - Al Pacino in The Devils Advocate

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November 25, 2013 - 12:52pm
(Reply to #11)
John T. Haller
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Handled

We'll need to handle the Qt key cleanup, but the two parent keys (OrganizationDefaults and Trolltech) are handled by PAL's Qt handling which is already configured.

Sometimes, the impossible can become possible, if you're awesome!

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November 26, 2013 - 6:55am
(Reply to #12)
Simeon
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Oh

Thanks. Should have read that more often.

"What about Love?" - "Overrated. Biochemically no different than eating large quantities of chocolate." - Al Pacino in The Devils Advocate

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