8e6dcc45e1
- per-control .go file, - separate file for style/property stuff, - added NumProperties enum to the list of properties for constraint checking, - should be no code changes
76 lines
2.7 KiB
Go
76 lines
2.7 KiB
Go
package raygui
|
|
|
|
import "github.com/gen2brain/raylib-go/raylib"
|
|
|
|
// Slider - Slider element, returns selected value
|
|
func Slider(bounds rl.Rectangle, value, minValue, maxValue float32) float32 {
|
|
b := bounds.ToInt32()
|
|
sliderPos := float32(0)
|
|
state := Normal
|
|
|
|
buttonTravelDistance := float32(0)
|
|
mousePoint := rl.GetMousePosition()
|
|
|
|
// Update control
|
|
if value < minValue {
|
|
value = minValue
|
|
} else if value >= maxValue {
|
|
value = maxValue
|
|
}
|
|
|
|
sliderPos = (value - minValue) / (maxValue - minValue)
|
|
|
|
sliderButton := rl.RectangleInt32{}
|
|
sliderButton.Width = (b.Width-(2*int32(style[SliderButtonBorderWidth])))/10 - 8
|
|
sliderButton.Height = b.Height - (2 * int32(style[SliderBorderWidth]+2*style[SliderButtonBorderWidth]))
|
|
|
|
sliderButtonMinPos := b.X + int32(style[SliderBorderWidth]) + int32(style[SliderButtonBorderWidth])
|
|
sliderButtonMaxPos := b.X + b.Width - (int32(style[SliderBorderWidth]) + int32(style[SliderButtonBorderWidth]) + sliderButton.Width)
|
|
|
|
buttonTravelDistance = float32(sliderButtonMaxPos - sliderButtonMinPos)
|
|
|
|
sliderButton.X = b.X + int32(style[SliderBorderWidth]) + int32(style[SliderButtonBorderWidth]) + int32(sliderPos*buttonTravelDistance)
|
|
sliderButton.Y = b.Y + int32(style[SliderBorderWidth]) + int32(style[SliderButtonBorderWidth])
|
|
|
|
if rl.CheckCollisionPointRec(mousePoint, bounds) {
|
|
state = Focused
|
|
|
|
if rl.IsMouseButtonDown(rl.MouseLeftButton) {
|
|
state = Pressed
|
|
}
|
|
|
|
if state == Pressed && rl.IsMouseButtonDown(rl.MouseLeftButton) {
|
|
sliderButton.X = int32(mousePoint.X) - sliderButton.Width/2
|
|
|
|
if sliderButton.X <= sliderButtonMinPos {
|
|
sliderButton.X = sliderButtonMinPos
|
|
} else if sliderButton.X >= sliderButtonMaxPos {
|
|
sliderButton.X = sliderButtonMaxPos
|
|
}
|
|
|
|
sliderPos = float32(sliderButton.X-sliderButtonMinPos) / buttonTravelDistance
|
|
}
|
|
} else {
|
|
state = Normal
|
|
}
|
|
|
|
// Draw control
|
|
rl.DrawRectangle(b.X, b.Y, b.Width, b.Height, rl.GetColor(int32(style[SliderBorderColor])))
|
|
rl.DrawRectangle(b.X+int32(style[SliderBorderWidth]), b.Y+int32(style[SliderBorderWidth]), b.Width-(2*int32(style[SliderBorderWidth])), b.Height-(2*int32(style[SliderBorderWidth])), rl.GetColor(int32(style[SliderInsideColor])))
|
|
|
|
switch state {
|
|
case Normal:
|
|
rl.DrawRectangle(sliderButton.X, sliderButton.Y, sliderButton.Width, sliderButton.Height, rl.GetColor(int32(style[SliderDefaultColor])))
|
|
break
|
|
case Focused:
|
|
rl.DrawRectangle(sliderButton.X, sliderButton.Y, sliderButton.Width, sliderButton.Height, rl.GetColor(int32(style[SliderHoverColor])))
|
|
break
|
|
case Pressed:
|
|
rl.DrawRectangle(sliderButton.X, sliderButton.Y, sliderButton.Width, sliderButton.Height, rl.GetColor(int32(style[SliderActiveColor])))
|
|
break
|
|
default:
|
|
break
|
|
}
|
|
|
|
return minValue + (maxValue-minValue)*sliderPos
|
|
}
|