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edc3faede3
1st cut implementation of DdeKeepStringHandle (probably complete) DdeInitializeW - minor changes to initialise service names structure DdeGetLastError - start of proper last error retrieval DdeCreateStringHandle16 - added code for default codepage where not supplied. Various documentary/comment corrections.
51 lines
2.3 KiB
Plaintext
51 lines
2.3 KiB
Plaintext
This is the status for DDE (i.e. raw dde messages) and ddeml.
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DDE was implemented by Micheal Veksler some time ago, it has been reported as broken
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by changes in the server and related parts of wine. AFAIK no-one has tried to fix these
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and I have not tried to test them.
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ddeml was untouched until December 1998 when some of the Corel/Macadamian team started
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writing bits that were needed by Corel for the Wordperfect Suite port. These were mainly
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around string handling and have been identified in the change history for each routine.
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They were written to cope with a single instance only. About a week later I started
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looking at ddeml as a whole.
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The initialisation was tackled first, then the routines produced by Corel/Macadamian
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were modified to cope with multiple instances of dde client/server and a first cut at
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the un-initialise routine.
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DdeNameService has now been produced as a first-cut routine, but the monitor notification
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must be tackled, followed by the main message reception routine and the invoking of the
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callback. Serious testing from this point may well depend on Wine thread handling
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settling down.
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The strategy so far has been to tackle the Unicode versions first. Once they have been
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accepted as close to complete then the 32-bit ASCII routines then the 16-bit routines.
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It is recognised that the solutions adopted may well not be suitable for wine-OS2, since
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that OS has its own DDE rotuines intermediate in integration between raw DDE and ddeml,
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also O/S 2 users may well want programs running under Wine to talk to native O/S 2 programs.
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I do not have knowledge of MacOS or the internals of BeOS, but these may suffer from the
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same problems.
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TO DO
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Complete initialisation, some of the 2nd call validation conditions have not been worked out
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yet and the code for enabling the message loop needs writing.
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Complete initialize and unitialize, also add the callback handling to DdeNameService.
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Add true Unicode handling to CreateStringHandle, QueryString, CmpStringHandles. Also find
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out why Initialize needs ASCII and Unicode variants.
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Add DdeGetLAstError and related handling in all other modules. Also find out what to do about
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storing errors that result in the instance failing to initialise in some way.
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Just about all the rest
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More specific items are commented in the code.
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Keith Matthews
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