132 lines
2.1 KiB
Go
132 lines
2.1 KiB
Go
// The UI driver. This is used to interact with the terminal drawing routines.
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package ui
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// The set of attributes a specific cell can have
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type Attribute uint16
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const (
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// Can have only one of these
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ColorDefault Attribute = iota
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ColorBlack
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ColorRed
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ColorGreen
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ColorYellow
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ColorBlue
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ColorMagenta
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ColorCyan
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ColorWhite
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)
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// and zero or more of these (combined using OR '|')
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const (
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AttrBold Attribute = 1 << (iota + 9)
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AttrUnderline
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AttrReverse
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)
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// Special keys
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const (
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KeyF1 rune = 0x8000 + iota
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KeyF2
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KeyF3
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KeyF4
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KeyF5
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KeyF6
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KeyF7
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KeyF8
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KeyF9
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KeyF10
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KeyF11
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KeyF12
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KeyInsert
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KeyDelete
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KeyHome
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KeyEnd
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KeyPgup
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KeyPgdn
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KeyArrowUp
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KeyArrowDown
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KeyArrowLeft
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KeyArrowRight
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KeyCtrlSpace
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KeyCtrlA
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KeyCtrlB
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KeyCtrlC
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KeyCtrlD
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KeyCtrlE
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KeyCtrlF
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KeyCtrlG
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KeyCtrlH
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KeyCtrlI
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KeyCtrlJ
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KeyCtrlK
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KeyCtrlL
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KeyCtrlM
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KeyCtrlN
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KeyCtrlO
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KeyCtrlP
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KeyCtrlQ
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KeyCtrlR
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KeyCtrlS
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KeyCtrlT
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KeyCtrlU
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KeyCtrlV
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KeyCtrlW
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KeyCtrlX
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KeyCtrlY
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KeyCtrlZ
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KeyCtrl3
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KeyCtrl4
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KeyCtrl5
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KeyCtrl6
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KeyCtrl7
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KeyCtrl8
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KeySpace
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)
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// The type of events supported by the driver
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type EventType int
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const (
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EventNone EventType = iota
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// Event when the window is resized
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EventResize
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// Event indicating a key press. The key is set in Ch
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EventKeyPress
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)
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// Data from an event callback.
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type Event struct {
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Type EventType
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Ch rune
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}
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// The terminal driver interface.
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type Driver interface {
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// Initializes the driver. Returns an error if there was an error
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Init() error
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// Closes the driver
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Close()
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// Returns the size of the window.
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Size() (int, int)
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// Sets the value of a specific cell
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SetCell(x, y int, ch rune, fg, bg Attribute)
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// Synchronizes the internal buffer with the real buffer
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Sync()
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// Wait for an event
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WaitForEvent() Event
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}
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//
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