func (w *ButtonWidget) Render() {
// HACK: Brute-force check the mouse pointer if it contains this widget
isOriginHit := false
for _, hit := range mousePointer.OriginMapping {
if w == hit {
isOriginHit = true
break
}
}
isHit := len(w.HoverPointers()) > 0
// HACK: Assumes mousePointer rather than considering all connected pointing pointers
if isOriginHit && mousePointer.State.IsActive() && isHit {
//DrawGBox(w.pos, w.size)
//drawInnerRoundedBox(w.pos, w.size, highlightColor, grayColor)
c := mgl64.Vec3{42.0 / 255, 154.0 / 255, 254.0 / 255}
drawInnerRoundedBox(w.pos, w.size, c.Mul(201.0/255), c)
gl.Color3d(1, 1, 1)
//} else if (isHit && !mousePointer.State.IsActive()) || isOriginHit {
// //DrawYBox(w.pos, w.size)
// drawInnerRoundedBox(w.pos, w.size, highlightColor, nearlyWhiteColor)
} else {
//DrawNBox(w.pos, w.size)
//drawInnerRoundedBox(w.pos, w.size, mgl64.Vec3{0.3, 0.3, 0.3}, nearlyWhiteColor)
c := mgl64.Vec3{1, 1, 1}
drawInnerRoundedBox(w.pos, w.size, c.Mul(201.0/255), c)
gl.Color3d(0, 0, 0)
}
NewOpenGlStream(w.pos.Add(mgl64.Vec2{8, 3})).PrintText("Software Update...")
}
func piirrä(aika float64) {
gl.Begin(gl.LINES)
gl.Color3d(1, 1, 1)
gl.Vertex2d(0, 0)
gl.Color3d(0, 0, 0)
gl.Vertex2d(0.5, 0)
gl.Color3d(1, 0, 0)
gl.Vertex2d(0, 0)
gl.Vertex2d(0, 0.5)
gl.End()
}
func drawSpinner(spinner int) {
gl.LoadIdentity()
gl.Translatef(30.5, 30.5, 0)
gl.Rotatef(float32(spinner), 0, 0, 1)
gl.Color3d(0, 0, 0)
gl.Rectd(-0.5, -10.5, 0.5, 10.5)
}
func drawSpinner(spinner int) {
gl.PushMatrix()
gl.Translated(30.5, 30.5, 0)
gl.Rotated(float64(spinner), 0, 0, 1)
gl.Color3d(0, 0, 0)
gl.Rectd(-0.5, -10.5, 0.5, 10.5)
gl.PopMatrix()
}
func (this *Pointer) Render() {
switch {
case this.VirtualCategory == POINTING && len(this.State.Axes) >= 2:
// Prevent pointer from being drawn when the OS mouse pointer is visible.
{
// HACK
var windowSize [2]int
if globalWindow != nil {
windowSize[0], windowSize[1] = globalWindow.GetSize()
}
// HACK: OS X specific.
const border = 3
if this.State.Axes[1] < 0 || this.State.Axes[0] < border || this.State.Axes[0] >= float64(windowSize[0])-border || this.State.Axes[1] >= float64(windowSize[1])-border {
break
}
}
gl.PushMatrix()
defer gl.PopMatrix()
gl.Translated(float64(NearInt64(this.State.Axes[0]))+0.5, float64(NearInt64(this.State.Axes[1]))+0.5, 0)
const size float64 = 12 * 40 / 40
gl.Color3d(1, 1, 1)
gl.Begin(gl.TRIANGLE_FAN)
gl.Vertex2d(0, 0)
gl.Vertex2d(0, size)
gl.Vertex2d(size*0.85*math.Sin(math.Pi/8), size*0.85*math.Cos(math.Pi/8))
gl.Vertex2d(size/math.Sqrt2, size/math.Sqrt2)
gl.End()
gl.Begin(gl.LINE_LOOP)
gl.Color3d(0, 0, 0)
gl.Vertex2d(0, 0)
gl.Vertex2d(0, size)
gl.Color3d(0.75, 0.75, 0.75)
gl.Vertex2d(size*0.85*math.Sin(math.Pi/8), size*0.85*math.Cos(math.Pi/8))
gl.Color3d(0, 0, 0)
gl.Vertex2d(size/math.Sqrt2, size/math.Sqrt2)
gl.End()
}
}
func piirrä(aika float64) {
const pisteitä = 200
gl.Begin(gl.LINE_STRIP)
gl.Color3d(
nollastaYhteen(aika*10),
nollastaYhteen(aika*7),
nollastaYhteen(aika*3),
)
for i := 0.0; i < pisteitä; i++ {
x := i / (pisteitä - 1)
gl.Vertex2d(x*2-1, 0.8*math.Sin(x*8+aika))
}
gl.End()
}
func main() {
if err := glfw.Init(nopContextWatcher{}); err != nil {
panic(err)
}
defer glfw.Terminate()
glfw.WindowHint(glfw.Samples, 8) // Anti-aliasing.
window, err := glfw.CreateWindow(400, 400, "", nil, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
if err := gl.Init(); err != nil {
panic(err)
}
glfw.SwapInterval(1) // Vsync.
InitFont()
defer DeinitFont()
framebufferSizeCallback := func(w *glfw.Window, framebufferSize0, framebufferSize1 int) {
gl.Viewport(0, 0, int32(framebufferSize0), int32(framebufferSize1))
var windowSize [2]int
windowSize[0], windowSize[1] = w.GetSize()
// Update the projection matrix.
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(windowSize[0]), float64(windowSize[1]), 0, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
}
{
var framebufferSize [2]int
framebufferSize[0], framebufferSize[1] = window.GetFramebufferSize()
framebufferSizeCallback(window, framebufferSize[0], framebufferSize[1])
}
window.SetFramebufferSizeCallback(framebufferSizeCallback)
var inputEventQueue []events.InputEvent
mousePointer = &events.Pointer{VirtualCategory: events.POINTING}
window.SetMouseMovementCallback(func(w *glfw.Window, xpos, ypos, xdelta, ydelta float64) {
inputEvent := events.InputEvent{
Pointer: mousePointer,
EventTypes: map[events.EventType]struct{}{events.SLIDER_EVENT: {}},
InputId: 0,
Buttons: nil,
Sliders: []float64{xdelta, ydelta},
}
if w.GetInputMode(glfw.CursorMode) != glfw.CursorDisabled {
inputEvent.EventTypes[events.AXIS_EVENT] = struct{}{}
inputEvent.Axes = []float64{xpos, ypos}
}
inputEventQueue = events.EnqueueInputEvent(inputEventQueue, inputEvent)
})
window.SetMouseButtonCallback(func(w *glfw.Window, button glfw.MouseButton, action glfw.Action, mods glfw.ModifierKey) {
inputEvent := events.InputEvent{
Pointer: mousePointer,
EventTypes: map[events.EventType]struct{}{events.BUTTON_EVENT: {}},
InputId: uint16(button),
Buttons: []bool{action != glfw.Release},
Sliders: nil,
Axes: nil,
ModifierKey: uint8(mods),
}
inputEventQueue = events.EnqueueInputEvent(inputEventQueue, inputEvent)
})
go func() {
<-time.After(5 * time.Second)
log.Println("trigger!")
boxUpdated = true
glfw.PostEmptyEvent()
}()
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA) // For font.
gl.ClearColor(247.0/255, 247.0/255, 247.0/255, 1)
var spinner int
var widgets []events.Widgeter
widgets = append(widgets, NewButtonWidget(mgl64.Vec2{50, 200}, func() { fmt.Println("button triggered") }))
for !window.ShouldClose() && glfw.Press != window.GetKey(glfw.KeyEscape) {
glfw.WaitEvents()
// Process Input.
inputEventQueue = events.ProcessInputEventQueue(inputEventQueue, widgets[0])
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.LoadIdentity()
for _, widget := range widgets {
widget.Render()
}
drawSpinner(spinner)
spinner++
drawBox()
gl.Color3d(1, 0, 0)
NewOpenGlStream(mgl64.Vec2{50, 300}).PrintText(` !"#$%&'()*+,-./
0123456789:;<=>?
@ABCDEFGHIJKLMNO
PQRSTUVWXYZ[\]^_
` + "`" + `abcdefghijklmno
pqrstuvwxyz{|}~`)
window.SwapBuffers()
log.Println("swapped buffers")
//runtime.Gosched()
}
}