77 lines
1.3 KiB
Go
77 lines
1.3 KiB
Go
package elements
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import (
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"context"
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"image/color"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/vector"
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"golang.org/x/image/font"
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)
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import "git.vezzani.net/ben/games/common/ux/v1"
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type XAlign int
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type YAlign int
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const (
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AlignCente XAlign = iota
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AlignLeft
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AlignRight
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)
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const (
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AlignCenter YAlign = iota
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AlignTop
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AlignBottom
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)
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type Button struct {
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mouseHandler
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Block
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Label string
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OnClick func() error
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OnRightClick func() error
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Style struct {
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MouseDownColor *color.Color
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}
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}
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func (b *Button) HandleClick(_ MouseState) error {
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if b.OnClick == nil {
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return nil
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}
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return b.OnClick()
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}
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func (b *Button) getFont() font.Face {
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if b.Block.Style.Font == nil {
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return ux.FontFace
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}
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return *b.Block.Style.Font
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}
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func (b *Button) backgroundColor() color.Color {
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var c *color.Color
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if b.Block.Style.BackgroundColor != nil {
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c = b.Block.Style.BackgroundColor
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} else {
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c = &ux.BackgroundColor
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}
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if (b.mouseState.RightDown || b.mouseState.LeftDown) && b.Style.MouseDownColor != nil {
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c = b.Style.MouseDownColor
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}
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return *c
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}
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func (b *Button) Draw(ctx context.Context, image *ebiten.Image) error {
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xz, yz := GetZero(ctx)
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w, h := b.size(ctx)
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vector.StrokeRect(image, xz, yz, w, h, 1, b.backgroundColor(), true)
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return nil
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}
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