mirror of https://github.com/rivo/tview.git
35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
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package tview
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import "github.com/gdamore/tcell"
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// Primitive is the top-most interface for all graphical primitives.
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type Primitive interface {
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// Draw draws this primitive onto the screen. Implementers can call the
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// screen's ShowCursor() function but should only do so when they have focus.
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// (They will need to keep track of this themselves.)
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Draw(screen tcell.Screen)
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// GetRect returns the current position of the primitive, x, y, width, and
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// height.
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GetRect() (int, int, int, int)
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// SetRect sets a new position of the primitive.
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SetRect(x, y, width, height int)
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// InputHandler returns a handler which receives key events when it has focus.
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// It is called by the Application class.
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//
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// A value of nil may also be returned, in which case this primitive cannot
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// receive focus and will not process any key events.
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//
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// The Application's Draw() function will be called automatically after the
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// handler returns.
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InputHandler() func(event *tcell.EventKey)
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// Focus is called by the application when the primitive receives focus.
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Focus(app *Application)
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// Blur is called by the application when the primitive loses focus.
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Blur()
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}
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