71 lines
1.0 KiB
Go
71 lines
1.0 KiB
Go
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package keys
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import (
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"github.com/go-gl/glfw/v3.3/glfw"
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)
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type Callback func(Event)
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type Handler interface {
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KeyEvent(Event)
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}
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type FocusHandler interface {
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Handler
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FocusEvent()
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BlurEvent()
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}
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var focused FocusHandler
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func KeyCallbackWrapper(handler Handler) glfw.KeyCallback {
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return func(
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w *glfw.Window,
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key glfw.Key,
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scancode int,
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action glfw.Action,
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mods glfw.ModifierKey,
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) {
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ev := &event{
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code: Code(key),
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action: Action(action),
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mods: Modifier(mods),
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}
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if focused != nil {
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focused.KeyEvent(ev)
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} else {
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handler.KeyEvent(ev)
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}
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}
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}
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func CharCallbackWrapper(handler Handler) glfw.CharCallback {
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return func(
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w *glfw.Window,
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char rune,
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) {
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ev := &event{
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char: char,
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action: Char,
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}
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if focused != nil {
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focused.KeyEvent(ev)
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} else {
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handler.KeyEvent(ev)
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}
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}
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}
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func Focus(handler FocusHandler) {
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if focused == handler {
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return
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}
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if focused != nil {
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focused.BlurEvent()
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}
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focused = handler
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if focused != nil {
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focused.FocusEvent()
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}
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}
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