[Cuis-dev] Preference #warnIfNoSourcesFile

[Bernhard Pieber]

I was too fast. I did not test thoroughly enough. When I file in the change set and remove the sources file the image freezes on startup before the window is shown. In the console I see the following message:
MessageNotUnderstood: UndefinedObject>>mousePoint
See /Users/bernhard/Entwicklung/Cuis/Cuis-Smalltalk/bp-cuis/CuisDebug-2021-12-23_12.12.51.log

The log file contains only:
MessageNotUnderstood: UndefinedObject>>mousePoint
23 December 2021 12:12:

The same happens if I don’t file in the change set but just set the preference:
Preferences enable: #warnIfNoSourcesFile

It looks like the Sensor is still nil when the warning is shown. No idea what is the right fix, though.

Cheers,
Bernhard

> Am 23.12.2021 um 11:41 schrieb Bernhard Pieber via Cuis-dev <cuis-dev at lists.cuis.st>:
>
> Hi everyone,
>
> I was bitten by the fact that I had put my image and changes into a sibling folder of Cuis-Smalltalk-Dev but forgot to copy CuisV5.sources as well. I had assumed that I would get a warning about a missing sources file but there was not. I think there should be by default.
>
> It is interesting that the following statements return different values:
> Preferences warnIfNoSourcesFile. "true"
> Preferences valueOfFlag: #warnIfNoSourcesFile. "false"
>
> The former is not used in the default image, only the latter. That is probably the reason why there is no warning.
>
> Looking at senders of #valueOfFlag: shows it is only used in Preference class>>#doesNotUnderstand and in SystemDictionary>>#openSourcesAndChanges. Find attached a change set that uses #warnIfNoSources and #warnIfNoChanges directly instead of #valueOfFlag:.
>
> That should reinstate the warning should one forget to copy the sources file.
>
> Cheers,
> Bernhard
>
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