70 lines
1.3 KiB
Go
70 lines
1.3 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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// 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 event parameter is the key scancode?
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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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Par int
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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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