33 lines
1.4 KiB
Go
33 lines
1.4 KiB
Go
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package fyne
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// Driver defines an abstract concept of a Fyne render driver.
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// Any implementation must provide at least these methods.
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type Driver interface {
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// CreateWindow creates a new UI Window.
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CreateWindow(string) Window
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// AllWindows returns a slice containing all app windows.
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AllWindows() []Window
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// RenderedTextSize returns the size required to render the given string of specified
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// font size and style. It also returns the height to text baseline, measured from the top.
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RenderedTextSize(text string, fontSize float32, style TextStyle) (size Size, baseline float32)
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// CanvasForObject returns the canvas that is associated with a given CanvasObject.
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CanvasForObject(CanvasObject) Canvas
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// AbsolutePositionForObject returns the position of a given CanvasObject relative to the top/left of a canvas.
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AbsolutePositionForObject(CanvasObject) Position
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// Device returns the device that the application is currently running on.
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Device() Device
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// Run starts the main event loop of the driver.
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Run()
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// Quit closes the driver and open windows, then exit the application.
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// On some some operating systems this does nothing, for example iOS and Android.
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Quit()
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// StartAnimation registers a new animation with this driver and requests it be started.
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StartAnimation(*Animation)
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// StopAnimation stops an animation and unregisters from this driver.
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StopAnimation(*Animation)
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}
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