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Text services: Vista Extensions (UI Elements)

The TSF tour ends here, with a brief discussion of UI Elements in Vista If your text service wishes to be available in full-screen applications like games, it must implement ITfUIElement , and call the ITfUIElementMgr whenever the text service wants to Read More...
Posted Wednesday, May 16, 2007 7:00 AM by Eric Brown | 0 Comments
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Text Services: Vista Extensions

In Windows Vista, TSF added the ability to run in locations where it had previously been disabled. For example, TSF is now available on secure desktops, in full screen (DirectX) applications, and in MTA threads. However, text services have to be aware Read More...
Posted Tuesday, May 15, 2007 7:00 AM by Eric Brown | 0 Comments
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Text Services: Candidates

If your text service supports multiple interpretations of the same input, and you wish to allow users to correct the initial interpretation (for dictation, we call this 'correction'; IMEs tend to call it 'reconversion'), your text service will need to Read More...
Posted Monday, May 14, 2007 7:00 AM by Eric Brown | 6 Comments
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Text Services: Function Providers

TSF allows text services to offer optional extension points through the ITfFunctionProvider interface. Indirection through the function provider allows text services to minimize memory usage and startup time by instantiating services when requested, rather Read More...
Posted Friday, May 11, 2007 7:00 AM by Eric Brown | 0 Comments
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Text Services: Language Bar

If your text service wishes to display some UI on the language bar, then your service will need to create objects that implement one (or more) of the following interfaces: Interface How Obtained ITfLangBarItem Pass this base interface to ITfLangBarItemMgr::AddItem Read More...
Posted Thursday, May 10, 2007 7:00 AM by Eric Brown | 0 Comments
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Text Service: Display Attributes

If your text service wishes to display text in different colors (e.g., displaying the current composition in red), then your text service needs to implement these interfaces: Interface How Obtained ITfDisplayAttributeProvider Obtained by QI from ITfTextInputProcessor Read More...
Posted Wednesday, May 09, 2007 7:00 AM by Eric Brown | 0 Comments
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Text Service Properties

The next thing that I'd like to talk about are properties. While the TSF manager implements basic property handling (via ITfProperty), a text service has the ability to customize the way TSF handles properties. If your text service wishes to attach private Read More...
Posted Tuesday, May 08, 2007 7:00 AM by Eric Brown | 0 Comments
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Text Service Basics

We have finally finished looking at the interfaces that TSF implements for you. Now we start looking at the interfaces that text services must implement. The first step are the essential interfaces. Every text service must implement these two interfaces. Read More...
Posted Monday, May 07, 2007 7:00 AM by Eric Brown | 0 Comments
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A Tour through TSF: Miscellaneous Functions

The last set of interfaces implemented by the TSF manager are the 'odd-ball' interfaces that don't really fall into any other logical groups. Helpers The interfaces in this category provide auxiliary services for applications or text services. Interface Read More...
Posted Saturday, May 05, 2007 7:00 AM by Eric Brown | 0 Comments
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A Tour through TSF: Language Bar

These interfaces manage the language bar and the items that display on the language bar. These interfaces are used exclusively by text services, and will be discussed further in a future post. Interface How to Obtain ITfLangBarMgr CoCreateInstance(CLSID_TF_LangBarMgr) Read More...
Posted Friday, May 04, 2007 7:00 AM by Eric Brown | 0 Comments
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A Tour through TSF: Enumerators

The next set of TSF manager interfaces are the enumerators. These are rather boring interfaces; they just enumerate things. Generally speaking, the enumerators enumerate things owned by the item that provides the enumerator. For example, IEnumTfContexts Read More...
Posted Thursday, May 03, 2007 7:00 AM by Eric Brown | 0 Comments
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A Tour through TSF: Event sinks

The interfaces in this category allow you to be called back when certain events happen on another interface. These callbacks are generally referred to as 'event sinks'. Interface How to Obtain ITfSource QI on ITfThreadMgr , ITfContext , ITfCompartment Read More...
Posted Wednesday, May 02, 2007 7:00 AM by Eric Brown | 0 Comments
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A Tour through TSF: Contexts and Ranges

Our next stop on our tour through TSF brings us to the two most heavily used interfaces in text services: Contexts and Ranges. But first, a quick diversion to discuss the relationship between threads, documents, and contexts. The ITfThreadMgr object is Read More...
Posted Tuesday, May 01, 2007 7:00 AM by Eric Brown | 0 Comments
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A Tour through TSF: TSF Managers

The next stop on the tour is an extended visit through the TSF manager interfaces. Since TSF implements a lot of interfaces, I decided to break them up into separate posts. I've also included a (very brief) description of how a text service (or application) Read More...
Posted Monday, April 30, 2007 7:46 AM by Eric Brown | 0 Comments
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TSF Application interfaces

The first stop on the TSF tour is the application interfaces. These are implemented by applications or text controls. An application (or text control) must implement ITextStoreACP to be considered ‘TSF-aware'. It may choose to implement any of the other Read More...
Posted Friday, April 27, 2007 3:36 PM by Eric Brown | 1 Comments
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