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feat(installer): register Open CAD Studio as a default-app candidate for .dwg/.dxf

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Adds a DefaultPrograms component publishing Capabilities and a
RegisteredApplications entry under HKLM. This makes Open CAD Studio
appear in Settings > Default Apps and the shell "Open with" list, so
users can set it as the default handler for .dwg and .dxf files.

Modern Windows guards the actual default behind a per-user UserChoice
hash that an installer cannot forge, so this is the supported path to
becoming the default rather than silently overwriting the association.

https://claude.ai/code/session_01DFVSKgViFaxEjZD2KsTdtt
This commit is contained in:
Claude 2026-06-12 07:30:49 +00:00
commit e24447a70d
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1 changed files with 48 additions and 0 deletions
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48
packaging/windows/main.wxs
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@ -14,6 +14,9 @@
* File associations for .dwg and .dxf via a single ProgID; both
route through `OpenCADStudio.exe "%1"` so the OS hands the file
path to the app as argv[1] (consumed in OpenCADStudio::boot).
* Default Programs registration (Capabilities + RegisteredApplications)
so the app shows up in Settings > Default Apps and can be set as the
default handler for .dwg / .dxf.
* Standard Add/Remove Programs entry with icon.
* MajorUpgrade — installing a newer MSI replaces the old version.
-->
@ -98,6 +101,50 @@
</ProgId>
</Component>
<!--
Default Programs registration. The ProgId/Extension rows above
register the handlers, but modern Windows (8+) guards the actual
default via a per-user UserChoice hash an installer can't forge.
Publishing Capabilities + a RegisteredApplications entry is the
supported way in: it makes Open CAD Studio appear in Settings >
Default Apps and the "Open with" list, so .dwg / .dxf can be set
to it. The keys are HKLM-wide, so the shell picks them up on its
next association query without a forced refresh.
-->
<Component Id='DefaultPrograms' Guid='6f3e9b2a-1c4d-4f8a-9b7e-2d5a8c1f0e63' Win64='yes'>
<RegistryValue
Root='HKLM'
Key='Software\Open CAD Studio\Capabilities'
Name='ApplicationName'
Type='string'
Value='Open CAD Studio'
KeyPath='yes' />
<RegistryValue
Root='HKLM'
Key='Software\Open CAD Studio\Capabilities'
Name='ApplicationDescription'
Type='string'
Value='2D/3D CAD application for DWG and DXF drawings.' />
<RegistryValue
Root='HKLM'
Key='Software\Open CAD Studio\Capabilities\FileAssociations'
Name='.dwg'
Type='string'
Value='OpenCADStudio.DWG' />
<RegistryValue
Root='HKLM'
Key='Software\Open CAD Studio\Capabilities\FileAssociations'
Name='.dxf'
Type='string'
Value='OpenCADStudio.DXF' />
<RegistryValue
Root='HKLM'
Key='Software\RegisteredApplications'
Name='Open CAD Studio'
Type='string'
Value='Software\Open CAD Studio\Capabilities' />
</Component>
</Directory>
</Directory>
@ -119,6 +166,7 @@
<Feature Id='Complete' Title='Open CAD Studio' Level='1'>
<ComponentRef Id='MainExecutable' />
<ComponentRef Id='DefaultPrograms' />
<ComponentRef Id='ProgramMenuDirComp' />
</Feature>