84 lines
2.2 KiB
Go
84 lines
2.2 KiB
Go
package ui
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import (
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"git.solsynth.dev/highland/codingland/pkg/internal/land"
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"git.solsynth.dev/highland/codingland/pkg/internal/land/renderer"
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"github.com/veandco/go-sdl2/sdl"
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"github.com/veandco/go-sdl2/ttf"
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"log"
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)
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type ButtonWidget struct {
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land.BaseWidget
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Label string
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Font *ttf.Font
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OnClick func(mousePos land.Vector2D)
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isHovering bool
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isClicking bool
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}
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func (p *ButtonWidget) Draw(pen *sdl.Renderer) {
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var borderColor, bgColor sdl.Color
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if p.isClicking {
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borderColor = sdl.Color{R: 200, G: 0, B: 0, A: 255}
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bgColor = sdl.Color{R: 255, G: 0, B: 0, A: 255}
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} else if p.isHovering {
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borderColor = sdl.Color{R: 0, G: 200, B: 0, A: 255}
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bgColor = sdl.Color{R: 0, G: 255, B: 0, A: 255}
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} else {
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borderColor = sdl.Color{R: 255, G: 255, B: 255, A: 255}
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bgColor = sdl.Color{R: 0, G: 0, B: 0, A: 255}
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}
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var borderWidth int32 = 2
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pen.SetDrawColor(borderColor.R, borderColor.G, borderColor.B, borderColor.A)
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renderer.FillRoundedRect(pen, &sdl.Rect{
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X: int32(p.Position.X),
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Y: int32(p.Position.Y),
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W: int32(p.Size.X),
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H: int32(p.Size.Y),
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}, borderColor, 16)
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renderer.FillRoundedRect(pen, &sdl.Rect{
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X: int32(p.Position.X) + borderWidth/2,
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Y: int32(p.Position.Y) + borderWidth/2,
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W: int32(p.Size.X) - borderWidth,
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H: int32(p.Size.Y) - borderWidth,
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}, bgColor, 16)
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surface, err := p.Font.RenderUTF8Blended(p.Label, sdl.Color{R: 255, G: 255, B: 255, A: 255})
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if err != nil {
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log.Printf("Failed to render text: %s", err)
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return
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}
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defer surface.Free()
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texture, err := pen.CreateTextureFromSurface(surface)
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if err != nil {
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log.Printf("Failed to create texture: %s", err)
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return
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}
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defer texture.Destroy()
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textWidth := surface.W
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textHeight := surface.H
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textX := int32(p.BaseWidget.Position.X) + (int32(p.BaseWidget.Size.X)-textWidth)/2
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textY := int32(p.BaseWidget.Position.Y) + (int32(p.BaseWidget.Size.Y)-textHeight)/2
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textRect := sdl.Rect{X: textX, Y: textY, W: textWidth, H: textHeight}
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pen.Copy(texture, nil, &textRect)
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}
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func (p *ButtonWidget) OnEvent(event land.UserEventType, args ...any) {
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switch event {
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case land.UserEventMouseDown:
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p.isClicking = true
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p.OnClick(args[0].(land.Vector2D))
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case land.UserEventMouseUp:
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p.isClicking = false
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case land.UserEventMouseMove:
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p.isHovering = args[1].(bool)
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}
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}
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