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{{hig-subnav-inter|p_link=Security|p_label=Security|c_section=The Sugar Interface|c_page=Input Systems|n_link=The Sugar Interface/Layout Guidelines|n_label=Layout Guidelines}}

{{hig-subnav-inter|p_link=Security|p_label=Security|c_section=The Sugar Interface|c_page=Input Systems|n_link=The Sugar Interface/Layout Guidelines|n_label=Layout Guidelines}}

 

===Input Systems===

===Input Systems===

====Keyboard====

====Keyboard====

=====Keyboard Shortcuts=====

=====Keyboard Shortcuts=====

For the purposes of development, you may want to review the detailed specifications for keys and their codes on the [[OLPC_Keyboard_layouts|Keyboard Layout]] page.  For a complete list of agreed upon keyboard shortcuts in the Sugar environment, at both system and activity levels, please refer to the [[Keyboard Shortcuts]] page.  Following is a high level description of the types of shortcuts the available keys should pertain to.

For the purposes of development, you may want to review the detailed specifications for keys and their codes on the [[OLPC:Keyboard_layouts|Keyboard Layout]] page.  For a complete list of agreed upon keyboard shortcuts in the Sugar environment, at both system and activity levels, please refer to the [[olpc:Keyboard Shortcuts]] page.  Following is a high level description of the types of shortcuts the available keys should pertain to.

* ◆ '''CTRL''' (U+25C6) will be the main modifier key. It will be used to define "base" shortcuts. For instance, ◆A will "select all" in a text editor.

* ◆ '''CTRL''' (U+25C6) will be the main modifier key. It will be used to define "base" shortcuts. For instance, ◆A will "select all" in a text editor.

Only the center region of the trackpad has capacitance, responding to a finger.

Only the center region of the trackpad has capacitance, responding to a finger.

=====Trackpad as Mouse=====

=====Trackpad as Mouse=====

The use of the finger on the central trackpad area serves as the primary input device for pointing.  Though external [[USB peripherals|USB mice]] will work seamlessly with the laptops, their availability will be limited, and activity designers should not expect that children will have access to them.  This means that a certain lack of precision can be expected when moving the cursor about the screen, and activities should not require extremely precise motion.  Excessively small controls should also be avoided for similar reasons; details on how to design interface elements reside in the [[Design Team/Human Interface Guidelines/The Sugar Interface/Controls|Controls]] section.

The use of the finger on the central trackpad area serves as the primary input device for pointing.  Though external [[olpc:USB peripherals|USB mice]] will work seamlessly with the laptops, their availability will be limited, and activity designers should not expect that children will have access to them.  This means that a certain lack of precision can be expected when moving the cursor about the screen, and activities should not require extremely precise motion.  Excessively small controls should also be avoided for similar reasons; details on how to design interface elements reside in the [[Design Team/Human Interface Guidelines/The Sugar Interface/Controls|Controls]] section.

In addition, the laptops have two buttons positioned beneath the trackpad for input. The left button is the primary button with which elements of the interface are selected, pressed, or activated. The right button has secondary functionality.  Typically, the right mouse button invokes contextual menus, the content of which pertains directly to the interface element the mouse is positioned over.

In addition, the laptops have two buttons positioned beneath the trackpad for input. The left button is the primary button with which elements of the interface are selected, pressed, or activated. The right button has secondary functionality.  Typically, the right mouse button invokes contextual menus, the content of which pertains directly to the interface element the mouse is positioned over.