69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
package tomo
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import "git.tebibyte.media/sashakoshka/tomo/data"
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import "git.tebibyte.media/sashakoshka/tomo/theme"
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import "git.tebibyte.media/sashakoshka/tomo/config"
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import "git.tebibyte.media/sashakoshka/tomo/elements"
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var backend Backend
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// Run initializes a backend, calls the callback function, and begins the event
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// loop in that order. This function does not return until Stop() is called, or
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// the backend experiences a fatal error.
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func Run (callback func ()) (err error) {
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backend, err = instantiateBackend()
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if callback != nil { callback() }
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err = backend.Run()
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backend = nil
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return
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}
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// Stop gracefully stops the event loop and shuts the backend down. Call this
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// before closing your application.
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func Stop () {
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if backend != nil { backend.Stop() }
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}
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// Do executes the specified callback within the main thread as soon as
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// possible. This function can be safely called from other threads.
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func Do (callback func ()) {
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assertBackend()
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backend.Do(callback)
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}
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// NewWindow creates a new window using the current backend, and returns it as a
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// Window. If the window could not be created, an error is returned explaining
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// why. If this function is called without a running backend, an error is
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// returned as well.
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func NewWindow (width, height int) (window elements.Window, err error) {
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assertBackend()
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return backend.NewWindow(width, height)
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}
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// Copy puts data into the clipboard.
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func Copy (data data.Data) {
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assertBackend()
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backend.Copy(data)
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}
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// Paste returns the data currently in the clipboard. This method may
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// return nil.
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func Paste (accept []data.Mime) (data.Data) {
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assertBackend()
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return backend.Paste(accept)
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}
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// SetTheme sets the theme of all open windows.
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func SetTheme (theme theme.Theme) {
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backend.SetTheme(theme)
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}
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// SetConfig sets the configuration of all open windows.
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func SetConfig (config config.Config) {
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backend.SetConfig(config)
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}
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func assertBackend () {
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if backend == nil { panic("no backend is running") }
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}
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