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'''touch''' is a table of properties and functions introduced in [[Changes_in_OS_3.4|OS 3.4]] (tablets) related to touchscreen handling.
'''touch''' is a table of properties and functions introduced in [[Changes_in_OS_3.4|OS 3.4]] (tablets) related to touchscreen handling.
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It is visible on all platforms but may ignore calls to its functions if the platform running the script does not support touch. The touch library offers a low level interface enabling script authors to develop scripts running on all platforms equally. But it also places the effort on the script writer to design and test the script for all different platforms if platform compatibility is desired.
It is visible on all platforms but may ignore calls to its functions if the platform running the script does not support touch. The touch library others a low level interface enabling script authors to develop scripts running on all platforms equally. But it also places the effort on the script writer to design and test the script for all different platforms if platform compatibility is desired.
The '''touch''' table contains :
The '''touch''' table contains :
: [[touch.enabled|enabled]] : Returns true if the platform supports touch, otherwise false. If touch is supported, it is recommended to use the ppi values to calculate touch target sizes.
: [[touch.enabled|enabled]] : Returns true if the platform supports touch, otherwise false. If touch is supported, it is recommended to use the ppi values to calculate touch target sizes.
: [[touch.isKeyboardVisible|isKeyboardVisible]]() : Returns true if any keyboard is visible (docked, oating and split keyboards).
: [[touch.isKeyboardVisible|isKeyboardVisible]]() : Returns true if any keyboard is visible (docked, undocked/floating and split keyboards).
: [[touch.isKeyboardAvailable|isKeyboardAvailable]] : Returns true if an on-screen keyboard is available on the platform, otherwise false.
: [[touch.isKeyboardAvailable|isKeyboardAvailable]] : Returns true if an on-screen keyboard is available on the platform, otherwise false.
: [[touch.showKeyboard|showKeyboard]](boolean) : Causes the docked ABC keyboard to appear on the screen if no keyboard is currently visible. Default is true.
: [[touch.showKeyboard|showKeyboard]](boolean) : Causes the docked ABC keyboard to appear on the screen if no keyboard is currently visible. Default is true.
