MeeGo Touch Input Method Framework
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Transcript of MeeGo Touch Input Method Framework
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Highlights
Provides text input services (ie. not for navigation)Supports multiple UI frameworkClient-server modelHighly customizable and extendable
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The Frameworks
Input method UI framework
Hosts the UI
Interacts with the rest of platform components
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The Frameworks
Input method UI framework
Hosts the UI
Interacts with the rest of platform components
Input method engine framework
Abstracts input method engine APIs
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Input Method UI Framework
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Highlights
Plugin loading based on categoriesHardware keyboardOn screenAccessories
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Highlights
Plugin loading based on categoriesHardware keyboardOn screenAccessories
Common text input paradigmPre-edit and committed strings
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Highlights
Plugin loading based on categoriesHardware keyboardOn screenAccessories
Common text input paradigmPre-edit and committed strings
Default plugin available: MeeGo Keyboard
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Highlights
Plugin loading based on categoriesHardware keyboardOn screenAccessories
Common text input paradigmPre-edit and committed strings
Default plugin available: MeeGo KeyboardLGPL
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Components
Input context of the UI framework
Handles the text input operation on the text entry side
Text editingWidget relocation
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Components
Input context of the UI framework
Handles the text input operation on the text entry side
Text editingWidget relocation
MeeGo Touch:MinputContextMInputMethodState
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Components
Input context of the UI frameworkInput context connection
Handles data transportation between input context and theinput method server
MeeGo Touch:D-Bus
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Components
Input context of the UI frameworkInput context connectionWindowing and input system
Displays the UI and handles the input, both touchscreen and Hardware keyboard
MeeGo Touch:X11, xkb, xfixes
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Components
Input context of the UI frameworkInput context connectionWindowing and input systemPlugin loaders
Handles the loading of the plugins
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Components
Input context of the UI frameworkInput context connectionWindowing and input systemPlugin loadersSettings
Displays UI of the settings
MeeGo Touch:MeeGo Control Panel
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Input Method Engine Framework
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Highlights
Pure QtAbstracts input method engines APIPlugin systemInput method UI independentLGPL
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Interfaces provided
WordsError correctionWord predictionWord completion
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Interfaces provided
WordsError correctionWord predictionWord completion
Handwriting recognition(there is a merge request now...)
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Roadmap
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MeeGo 1.2
UI FrameworkNew plugin category: Voice input
Information exposures: anchor and cursor position
Private D-Bus
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MeeGo 1.2
UI FrameworkNew plugin category: Voice input
Information exposures: anchor and cursor position
Engine FrameworkNew functions in Words:
Dynamic virtual keyboard layouts
New interface: HWR
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Future
Closer to Qt
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Future
Closer to QtDisplay size scalability
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Future
Closer to QtDisplay size scalability
Input method widgets
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Thank you