SetupDesignGuide.pdf - Firmware Encoding Index

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Setup Design Guide DRAFT // #define NULL_MODIFIER #define LEFT_CONTROL_MODIFIER #define RIGHT_CONTROL_MODIFIER #define LEFT_ALT_MODIFIER #define RIGHT_ALT_MODIFIER #define ALT_GR_MODIFIER #define INSERT_MODIFIER #define DELETE_MODIFIER #define PAGE_DOWN_MODIFIER #define PAGE_UP_MODIFIER #define HOME_MODIFIER #define END_MODIFIER #define LEFT_SHIFT_MODIFIER #define RIGHT_SHIFT_MODIFIER #define CAPS_LOCK_MODIFIER #define SHIFT_LOCK_MODIFIER #define NUM_LOCK _MODIFIER #define LEFT_ARROW_MODIFIER #define RIGHT_ARROW_MODIFIER #define DOWN_ARROW_MODIFIER #define UP_ARROW_MODIFIER 0x0000 0x0001 0x0002 0x0003 0x0004 0x0005 0x0006 0x0007 0x0008 0x0009 0x000A 0x000B 0x000C 0x000D 0x000E 0x000F 0x0010 0x0011 0x0012 0x0013 0X0014 // // For further explanations on Dead Keys see section 9.4 // #define DEAD_KEY_MODIFIER 0x0015 #define DEAD_KEY_DEPENDENCY_MODIFIER 0x0016 #define FUNCTION_KEY_ONE_MODIFIER 0x0017 #define FUNCTION_KEY_TWO_MODIFIER 0x0018 #define FUNCTION_KEY_THREE_MODIFIER 0x0019 #define FUNCTION_KEY_FOUR_MODIFIER 0x001A #define FUNCTION_KEY_FIVE_MODIFIER 0x001B #define FUNCTION_KEY_SIX_MODIFIER 0x001C #define FUNCTION_KEY_SEVEN_MODIFIER 0x001D #define FUNCTION_KEY_EIGHT_MODIFIER 0x001E #define FUNCTION_KEY_NINE_MODIFIER 0x001F #define FUNCTION_KEY_TEN_MODIFIER 0x0020 #define FUNCTION_KEY_ELEVEN_MODIFIER 0x0021 #define FUNCTION_KEY_TWELVE_MODIFIER 0x0022 // // Keys which have multiple Control functions based on modifier // settings are handled in the keyboard driver implementation. // For instance PRINT_KEY might have a modifier held down and // is still a non-printing character, but might have an alternate 82
Setup Design Guide DRAFT // control function like SYSREQUEST // #define PRINT_MODIFIER #define SYS_REQUEST_MODIFIER #define SCROLL_LOCK_MODIFIER #define PAUSE_MODIFIER #define BREAK_MODIFIER 0x0023 0x0024 0x0025 0x0026 0x0027 9.3 Keyboard Layout Switching The need for switching from one keyboard layout to another is a very common implementation. A typical example would be for a user who needed to type in a language that did not have certain keys exposed (e.g. Typical Hebrew layout has no Latin characters). For these types of configurations, it would be common for the system to be aware of two completely different keyboard layouts and allow a hot key to switch between the default and the alternate layout. The way this would work in our given implementation would be that the firmware has some built-in keyboard layout. A driver installs the Hebrew layout. The user needs to switch modes and hits a hot key that forces the keyboard driver to switch from the Hebrew layout to the firmware’s Default layout. Hit the hot key again and the user mode switches again and the keyboard driver is now pointing to the Hebrew layout. // // To enable the ability to define what key combinations // designate a special function one could do some of the // following to allow for this flexibility. // // // This assumes that the driver implementation will not // assign a key definition if one of the following modifier // values is presented. // #define LAYOUT_SWITCH_MODIFIER 0x0028 #define LAYOUT_SWITCH_DEPENDENCY_MODIFIER 0x0029 Layout = { EfiKeyLCtrl, 0, 0, 0, 0, LAYOUT_SWITCH_MODIFIER, EfiKeyLShift, 0, 0, 0, 0, LAYOUT_SWITCH_DEPENDENCY_MODIFIER } 9.4 Dead Keys Dead keys are a concept that provides the ability to OR together an accent key and another printable character. Dead keys would be defined as a special type of Modifier character. They are typically 83
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