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39b7c882a3
This is a bit of an omnibus commit, apologies for that. This commit moves Keyman Developer to a proper multi-process model, where editing files from multiple projects is handled much more cleanly, with each project loaded in a separate process. Files that are edited outside of a project structure are loaded into a 'temporary project' in a single process, which provides a pathway for existing users who may have legacy files outside the normal Keyman Developer project model. There are several components to this: 1. Inter-process communication (Multiprocess, CopyDataHelper units and multiprocess test project). These modules establish a method of enumerating running Keyman Developer instances (with EnumWindow), recording relevant metadata for each instance (by thread id) in the registry (registry used because it manages contention without additional effort from us), and communicating between processes with WM_COPYDATA. 2. Command-line parsing (TikeCommandLine). Determines project ownership (ProjectOwningFile) for each filename passed on the command-line, and passes these over to existing instances of Keyman Developer that have that project loaded, or starts new instances as needed. 3. Temporary project management. Mostly in ProjectUI. Also, moved GlobalProjectStateWnd management out of ProjectFile.pas and into Project.pas, alongside other global project variables. A follow-up will add functionality to determine if a file opened within the Keyman Developer UI should open in the same instance or in a separate instance (see TfrmKeymanDeveloper.OpenFileInProject). This will use the same methodology as TikeCommandLine does now, so may involve further refactoring. This commit establishes the idea of 'keyman.kpj' as a future default filename for Keyman Developer projects, but does not enable it, in ProjectOwningFile. It is planned to introduce this fixed filename in version 18.0 (see #10113). |
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