38 lines
791 B
Go
38 lines
791 B
Go
package alui
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import (
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"opslag.de/schobers/allg5"
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"opslag.de/schobers/geom"
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)
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var _ Control = &Button{}
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type Button struct {
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ControlBase
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Text string
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TextAlign allg5.HorizontalAlignment
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}
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func NewButton(text string, onClick func()) *Button {
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b := &Button{Text: text}
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b.OnClick = onClick
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return b
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}
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func (b *Button) DesiredSize(ctx *Context) geom.PointF32 {
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font := ctx.Fonts.Get(b.Font)
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w := font.TextWidth(b.Text)
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return geom.PtF32(w+8, font.Height()+8)
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}
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func (b *Button) Render(ctx *Context, bounds geom.RectangleF32) {
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fore := ctx.Palette.Primary
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if b.Over {
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fore = ctx.Palette.Dark
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ctx.Cursor = allg5.MouseCursorLink
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}
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font := ctx.Fonts.Get(b.Font)
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ctx.Fonts.DrawAlignFont(font, bounds.Min.X+4, bounds.Min.Y+4, bounds.Max.X-4, fore, b.TextAlign, b.Text)
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}
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