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Design Team/Proposals/Touchscreen (view source)
Revision as of 16:56, 15 August 2012
, 16:56, 15 August 2012no edit summary
{{Dated}}
===Touchscreen Support===
===Touchscreen Support===
|-
|-
|Virtual keyboard
|Virtual keyboard
|not required
|not required, but useful for accessibility needs
|useful in ebook mode
|useful in ebook mode
|essential
|essential, needs to appear automatically when a text field is selected (with optional ability to expose/hide for compatibility)
|-
|-
|Cursor hover hints/palettes
|Cursor hover hints/palettes
|accessible
|accessible
|accessible when using keyboard & trackpad
|accessible when using keyboard & trackpad
|needs a touch gesture (swipe in/out from any edge) and/or new button (top left corner most likely) and/or physical 'home' button on XO-3
|needs a touch gesture (swipe in/out from any edge) and/or new button (top left frame corner most likely), same old issues regarding discoverability of the Frame.... No physical home button on XO-3.0 hardware.
|-
|Buttons & context menu size/spacing
|OK
|nice to have them optimized to be touchable
|size/spacing of buttons and menus needs to be optimised for finger sized interaction
|-
|-
|Buttons & Context Menues
|hpane/vpane separator theme
|fine
|OK
|nice to have: optimized to be touchable
|nice to have them optimized to be touchable
|Size of Buttons and Menus needs to be optimized - user testing necessary
|size menus needs to be optimised for finger sized interaction
|-
|-
|Screen resolution
|Screen resolution
|n/a
|n/a
|n/a
|n/a
|XO-3.0 is 1024x768, make sure Sugar shell and activities are flexible enough to scale well
|XO-3.0 is 1024x768, continue to make sure the Sugar shell, and activities are designed to scale well
|-
|Keyboard shortcut hints
|continue to add hints
|continue to add hints
|hide keyboard hints from touch only UI
|-
|Scrolling a zoomed paint/drawing view
|n/a
|two finger drag to pan/scroll canvas
|two finger drag to pan/scroll canvas, essential
|-
|Home favourite activity icons
|
|
|need to increase icon layout size/spacing (larger targets, further apart)
|-
|-
|''blank''
|''blank''
|...
|...
|}
|}
= Other =
[CSA: adding here some issues which aren't in the above table, not sure how they fit in]
; Keyboard hints: show different keyboards for numeric, URL, or free-text input. (For example, TurtleArt wouldn't show the full keyboard when it just needs you to enter a number.)
; Hover palettes: might need to be offset more from finger location to be useable on touchscreen (so that the finger doesn't cover up the palette when it pops up)
; Drag to scroll: I prototyped this with "drag from top" / "drag from bottom" to scroll, it wasn't so bad. Simply mapping two-finger scroll to mouse scroll buttons gets you pretty far, although there are some focus issues to deal with -- it should first focus the element under the scroll start location, and *then* send it mouse scroll wheel events
; Slide to switch zoom levels: just requires binding F12,F13 etc to "zoom out" and "zoom in", so olpc-kbdshim can emit the proper function key instead of trying to remember what zoom level it is in.
; Uniform support for "mouseover" events: perhaps "swiping down" from a button will reveal its mouseover tool tips, for example. This is a bit of a hack, but it might make all the existing sugar activities which rely on mouseover more usable.