2017-02-22 13:44:38 -06:00
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package pixelgl
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2016-12-21 13:18:38 -06:00
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import (
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2017-01-20 10:45:19 -06:00
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"github.com/faiface/mainthread"
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2017-02-22 13:44:38 -06:00
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"github.com/faiface/pixel"
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2016-12-21 13:18:38 -06:00
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"github.com/go-gl/glfw/v3.2/glfw"
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)
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2017-01-25 11:55:17 -06:00
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// Pressed returns whether button is currently pressed down.
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2016-12-21 13:18:38 -06:00
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func (w *Window) Pressed(button Button) bool {
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return w.currInp.buttons[button]
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}
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2017-01-25 11:55:17 -06:00
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// JustPressed returns whether button has just been pressed down.
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func (w *Window) JustPressed(button Button) bool {
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return w.currInp.buttons[button] && !w.prevInp.buttons[button]
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}
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2017-01-25 11:55:17 -06:00
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// JustReleased returns whether button has just been released up.
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2016-12-21 13:18:38 -06:00
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func (w *Window) JustReleased(button Button) bool {
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return !w.currInp.buttons[button] && w.prevInp.buttons[button]
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}
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// MousePosition returns the current mouse position relative to the window.
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func (w *Window) MousePosition() pixel.Vec {
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return w.currInp.mouse
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}
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// MouseScroll returns the scroll amount (in both axis) since the last call to Window.Update.
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func (w *Window) MouseScroll() pixel.Vec {
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return w.currInp.scroll
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}
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// Button is a keyboard or mouse button. Why distinguish?
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type Button int
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// List of all mouse buttons.
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const (
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MouseButton1 = Button(glfw.MouseButton1)
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MouseButton2 = Button(glfw.MouseButton2)
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MouseButton3 = Button(glfw.MouseButton3)
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MouseButton4 = Button(glfw.MouseButton4)
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MouseButton5 = Button(glfw.MouseButton5)
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MouseButton6 = Button(glfw.MouseButton6)
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MouseButton7 = Button(glfw.MouseButton7)
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MouseButton8 = Button(glfw.MouseButton8)
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MouseButtonLast = Button(glfw.MouseButtonLast)
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MouseButtonLeft = Button(glfw.MouseButtonLeft)
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MouseButtonRight = Button(glfw.MouseButtonRight)
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MouseButtonMiddle = Button(glfw.MouseButtonMiddle)
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)
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// List of all keyboard buttons.
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const (
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KeyUnknown = Button(glfw.KeyUnknown)
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KeySpace = Button(glfw.KeySpace)
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KeyApostrophe = Button(glfw.KeyApostrophe)
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KeyComma = Button(glfw.KeyComma)
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KeyMinus = Button(glfw.KeyMinus)
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KeyPeriod = Button(glfw.KeyPeriod)
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KeySlash = Button(glfw.KeySlash)
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Key0 = Button(glfw.Key0)
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Key1 = Button(glfw.Key1)
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Key2 = Button(glfw.Key2)
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Key3 = Button(glfw.Key3)
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Key4 = Button(glfw.Key4)
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Key5 = Button(glfw.Key5)
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Key6 = Button(glfw.Key6)
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Key7 = Button(glfw.Key7)
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Key8 = Button(glfw.Key8)
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Key9 = Button(glfw.Key9)
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KeySemicolon = Button(glfw.KeySemicolon)
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KeyEqual = Button(glfw.KeyEqual)
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KeyA = Button(glfw.KeyA)
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KeyB = Button(glfw.KeyB)
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KeyC = Button(glfw.KeyC)
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KeyD = Button(glfw.KeyD)
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KeyE = Button(glfw.KeyE)
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KeyF = Button(glfw.KeyF)
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KeyG = Button(glfw.KeyG)
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KeyH = Button(glfw.KeyH)
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KeyI = Button(glfw.KeyI)
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KeyJ = Button(glfw.KeyJ)
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KeyK = Button(glfw.KeyK)
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KeyL = Button(glfw.KeyL)
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KeyM = Button(glfw.KeyM)
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KeyN = Button(glfw.KeyN)
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KeyO = Button(glfw.KeyO)
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KeyP = Button(glfw.KeyP)
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KeyQ = Button(glfw.KeyQ)
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KeyR = Button(glfw.KeyR)
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KeyS = Button(glfw.KeyS)
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KeyT = Button(glfw.KeyT)
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KeyU = Button(glfw.KeyU)
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KeyV = Button(glfw.KeyV)
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KeyW = Button(glfw.KeyW)
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KeyX = Button(glfw.KeyX)
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KeyY = Button(glfw.KeyY)
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KeyZ = Button(glfw.KeyZ)
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KeyLeftBracket = Button(glfw.KeyLeftBracket)
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KeyBackslash = Button(glfw.KeyBackslash)
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KeyRightBracket = Button(glfw.KeyRightBracket)
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KeyGraveAccent = Button(glfw.KeyGraveAccent)
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KeyWorld1 = Button(glfw.KeyWorld1)
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KeyWorld2 = Button(glfw.KeyWorld2)
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KeyEscape = Button(glfw.KeyEscape)
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KeyEnter = Button(glfw.KeyEnter)
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KeyTab = Button(glfw.KeyTab)
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KeyBackspace = Button(glfw.KeyBackspace)
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KeyInsert = Button(glfw.KeyInsert)
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KeyDelete = Button(glfw.KeyDelete)
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KeyRight = Button(glfw.KeyRight)
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KeyLeft = Button(glfw.KeyLeft)
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KeyDown = Button(glfw.KeyDown)
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KeyUp = Button(glfw.KeyUp)
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KeyPageUp = Button(glfw.KeyPageUp)
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KeyPageDown = Button(glfw.KeyPageDown)
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KeyHome = Button(glfw.KeyHome)
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KeyEnd = Button(glfw.KeyEnd)
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KeyCapsLock = Button(glfw.KeyCapsLock)
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KeyScrollLock = Button(glfw.KeyScrollLock)
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KeyNumLock = Button(glfw.KeyNumLock)
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KeyPrintScreen = Button(glfw.KeyPrintScreen)
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KeyPause = Button(glfw.KeyPause)
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KeyF1 = Button(glfw.KeyF1)
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KeyF2 = Button(glfw.KeyF2)
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KeyF3 = Button(glfw.KeyF3)
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KeyF4 = Button(glfw.KeyF4)
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KeyF5 = Button(glfw.KeyF5)
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KeyF6 = Button(glfw.KeyF6)
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KeyF7 = Button(glfw.KeyF7)
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KeyF8 = Button(glfw.KeyF8)
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KeyF9 = Button(glfw.KeyF9)
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KeyF10 = Button(glfw.KeyF10)
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KeyF11 = Button(glfw.KeyF11)
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KeyF12 = Button(glfw.KeyF12)
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KeyF13 = Button(glfw.KeyF13)
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KeyF14 = Button(glfw.KeyF14)
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KeyF15 = Button(glfw.KeyF15)
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KeyF16 = Button(glfw.KeyF16)
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KeyF17 = Button(glfw.KeyF17)
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KeyF18 = Button(glfw.KeyF18)
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KeyF19 = Button(glfw.KeyF19)
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KeyF20 = Button(glfw.KeyF20)
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KeyF21 = Button(glfw.KeyF21)
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KeyF22 = Button(glfw.KeyF22)
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KeyF23 = Button(glfw.KeyF23)
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KeyF24 = Button(glfw.KeyF24)
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KeyF25 = Button(glfw.KeyF25)
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KeyKP0 = Button(glfw.KeyKP0)
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KeyKP1 = Button(glfw.KeyKP1)
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KeyKP2 = Button(glfw.KeyKP2)
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KeyKP3 = Button(glfw.KeyKP3)
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KeyKP4 = Button(glfw.KeyKP4)
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KeyKP5 = Button(glfw.KeyKP5)
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KeyKP6 = Button(glfw.KeyKP6)
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KeyKP7 = Button(glfw.KeyKP7)
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KeyKP8 = Button(glfw.KeyKP8)
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KeyKP9 = Button(glfw.KeyKP9)
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KeyKPDecimal = Button(glfw.KeyKPDecimal)
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KeyKPDivide = Button(glfw.KeyKPDivide)
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KeyKPMultiply = Button(glfw.KeyKPMultiply)
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KeyKPSubtract = Button(glfw.KeyKPSubtract)
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KeyKPAdd = Button(glfw.KeyKPAdd)
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KeyKPEnter = Button(glfw.KeyKPEnter)
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KeyKPEqual = Button(glfw.KeyKPEqual)
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KeyLeftShift = Button(glfw.KeyLeftShift)
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KeyLeftControl = Button(glfw.KeyLeftControl)
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KeyLeftAlt = Button(glfw.KeyLeftAlt)
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KeyLeftSuper = Button(glfw.KeyLeftSuper)
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KeyRightShift = Button(glfw.KeyRightShift)
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KeyRightControl = Button(glfw.KeyRightControl)
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KeyRightAlt = Button(glfw.KeyRightAlt)
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KeyRightSuper = Button(glfw.KeyRightSuper)
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KeyMenu = Button(glfw.KeyMenu)
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KeyLast = Button(glfw.KeyLast)
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)
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2017-01-26 08:31:54 -06:00
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// String returns a human-readable string describing the Button.
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func (b Button) String() string {
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name, ok := buttonNames[b]
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if !ok {
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return "Invalid"
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}
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return name
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}
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var buttonNames = map[Button]string{
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MouseButton4: "MouseButton4",
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MouseButton5: "MouseButton5",
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MouseButton6: "MouseButton6",
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MouseButton7: "MouseButton7",
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MouseButton8: "MouseButton8",
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MouseButtonLeft: "MouseButtonLeft",
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MouseButtonRight: "MouseButtonRight",
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MouseButtonMiddle: "MouseButtonMiddle",
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KeyUnknown: "Unknown",
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KeySpace: "Space",
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KeyApostrophe: "Apostrophe",
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KeyComma: "Comma",
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KeyMinus: "Minus",
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KeyPeriod: "Period",
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KeySlash: "Slash",
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Key0: "0",
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Key1: "1",
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Key2: "2",
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Key3: "3",
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Key4: "4",
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Key5: "5",
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Key6: "6",
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Key7: "7",
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Key8: "8",
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Key9: "9",
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KeySemicolon: "Semicolon",
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KeyEqual: "Equal",
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KeyA: "A",
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KeyB: "B",
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KeyC: "C",
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KeyD: "D",
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KeyE: "E",
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KeyF: "F",
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KeyG: "G",
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KeyH: "H",
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KeyI: "I",
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KeyJ: "J",
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KeyK: "K",
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KeyL: "L",
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KeyM: "M",
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KeyN: "N",
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KeyO: "O",
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KeyP: "P",
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KeyQ: "Q",
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KeyR: "R",
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KeyS: "S",
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KeyT: "T",
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KeyU: "U",
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KeyV: "V",
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KeyW: "W",
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KeyX: "X",
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KeyY: "Y",
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KeyZ: "Z",
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KeyLeftBracket: "LeftBracket",
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KeyBackslash: "Backslash",
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KeyRightBracket: "RightBracket",
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KeyGraveAccent: "GraveAccent",
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KeyWorld1: "World1",
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KeyWorld2: "World2",
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KeyEscape: "Escape",
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KeyEnter: "Enter",
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KeyTab: "Tab",
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KeyBackspace: "Backspace",
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KeyInsert: "Insert",
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KeyDelete: "Delete",
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KeyRight: "Right",
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KeyLeft: "Left",
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KeyDown: "Down",
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KeyUp: "Up",
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KeyPageUp: "PageUp",
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KeyPageDown: "PageDown",
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KeyHome: "Home",
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KeyEnd: "End",
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KeyCapsLock: "CapsLock",
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KeyScrollLock: "ScrollLock",
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KeyNumLock: "NumLock",
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KeyPrintScreen: "PrintScreen",
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KeyPause: "Pause",
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KeyF1: "F1",
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KeyF2: "F2",
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KeyF3: "F3",
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KeyF4: "F4",
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KeyF5: "F5",
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KeyF6: "F6",
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KeyF7: "F7",
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KeyF8: "F8",
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KeyF9: "F9",
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KeyF10: "F10",
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KeyF11: "F11",
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KeyF12: "F12",
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KeyF13: "F13",
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KeyF14: "F14",
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KeyF15: "F15",
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KeyF16: "F16",
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KeyF17: "F17",
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KeyF18: "F18",
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KeyF19: "F19",
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KeyF20: "F20",
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KeyF21: "F21",
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KeyF22: "F22",
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KeyF23: "F23",
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KeyF24: "F24",
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KeyF25: "F25",
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KeyKP0: "KP0",
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KeyKP1: "KP1",
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KeyKP2: "KP2",
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KeyKP3: "KP3",
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KeyKP4: "KP4",
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KeyKP5: "KP5",
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KeyKP6: "KP6",
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KeyKP7: "KP7",
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KeyKP8: "KP8",
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KeyKP9: "KP9",
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|
|
|
|
KeyKPDecimal: "KPDecimal",
|
|
|
|
|
KeyKPDivide: "KPDivide",
|
|
|
|
|
KeyKPMultiply: "KPMultiply",
|
|
|
|
|
KeyKPSubtract: "KPSubtract",
|
|
|
|
|
KeyKPAdd: "KPAdd",
|
|
|
|
|
KeyKPEnter: "KPEnter",
|
|
|
|
|
KeyKPEqual: "KPEqual",
|
|
|
|
|
KeyLeftShift: "LeftShift",
|
|
|
|
|
KeyLeftControl: "LeftControl",
|
|
|
|
|
KeyLeftAlt: "LeftAlt",
|
|
|
|
|
KeyLeftSuper: "LeftSuper",
|
|
|
|
|
KeyRightShift: "RightShift",
|
|
|
|
|
KeyRightControl: "RightControl",
|
|
|
|
|
KeyRightAlt: "RightAlt",
|
|
|
|
|
KeyRightSuper: "RightSuper",
|
|
|
|
|
KeyMenu: "Menu",
|
|
|
|
|
}
|
|
|
|
|
|
2016-12-21 13:18:38 -06:00
|
|
|
func (w *Window) initInput() {
|
2017-01-20 10:45:19 -06:00
|
|
|
mainthread.Call(func() {
|
2016-12-21 13:18:38 -06:00
|
|
|
w.window.SetMouseButtonCallback(func(_ *glfw.Window, button glfw.MouseButton, action glfw.Action, mod glfw.ModifierKey) {
|
|
|
|
|
switch action {
|
|
|
|
|
case glfw.Press:
|
|
|
|
|
w.currInp.buttons[Button(button)] = true
|
|
|
|
|
case glfw.Release:
|
|
|
|
|
w.currInp.buttons[Button(button)] = false
|
|
|
|
|
}
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
w.window.SetKeyCallback(func(_ *glfw.Window, key glfw.Key, scancode int, action glfw.Action, mods glfw.ModifierKey) {
|
2017-03-09 15:11:59 -06:00
|
|
|
if key == glfw.KeyUnknown {
|
|
|
|
|
return
|
|
|
|
|
}
|
2016-12-21 13:18:38 -06:00
|
|
|
switch action {
|
|
|
|
|
case glfw.Press:
|
|
|
|
|
w.currInp.buttons[Button(key)] = true
|
|
|
|
|
case glfw.Release:
|
|
|
|
|
w.currInp.buttons[Button(key)] = false
|
|
|
|
|
}
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
w.window.SetScrollCallback(func(_ *glfw.Window, xoff, yoff float64) {
|
2017-02-22 13:44:38 -06:00
|
|
|
w.currInp.scroll += pixel.V(xoff, yoff)
|
2016-12-21 13:18:38 -06:00
|
|
|
})
|
|
|
|
|
})
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (w *Window) updateInput() {
|
|
|
|
|
// copy temp to prev
|
|
|
|
|
w.prevInp = w.tempInp
|
|
|
|
|
|
|
|
|
|
// zero current scroll (but keep what was added in callbacks outside of this function)
|
|
|
|
|
w.currInp.scroll -= w.tempInp.scroll
|
|
|
|
|
|
|
|
|
|
// get events (usually calls callbacks, but callbacks can be called outside too)
|
2017-01-20 10:45:19 -06:00
|
|
|
mainthread.Call(func() {
|
2016-12-21 13:18:38 -06:00
|
|
|
glfw.PollEvents()
|
2017-03-08 17:56:57 -06:00
|
|
|
|
|
|
|
|
x, y := w.window.GetCursorPos()
|
|
|
|
|
wi, hi := w.window.GetSize()
|
|
|
|
|
width, height := float64(wi), float64(hi)
|
|
|
|
|
|
2017-03-09 17:01:58 -06:00
|
|
|
mouse := pixel.V(
|
2017-03-08 17:56:57 -06:00
|
|
|
x/width*w.bounds.W()+w.bounds.X(),
|
|
|
|
|
(height-y)/height*w.bounds.H()+w.bounds.Y(),
|
|
|
|
|
)
|
2017-03-09 17:01:58 -06:00
|
|
|
|
2017-03-09 17:56:35 -06:00
|
|
|
//TODO: do something else, this is not entirely rock solid
|
2017-03-09 17:01:58 -06:00
|
|
|
if w.bounds.Contains(mouse) {
|
|
|
|
|
w.currInp.mouse = mouse
|
|
|
|
|
}
|
2016-12-21 13:18:38 -06:00
|
|
|
})
|
|
|
|
|
|
2016-12-30 10:43:26 -06:00
|
|
|
// cache current state to temp (so that if there are callbacks outside this function,
|
|
|
|
|
// everything works)
|
2016-12-21 13:18:38 -06:00
|
|
|
w.tempInp = w.currInp
|
|
|
|
|
}
|
