71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package scripteditor
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import (
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"aego/core/mathx"
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"aego/ui/core"
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)
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const guideLevels = 32
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func (p *Panel) updateBlock() {
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c := p.doc.Code
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k := mark{rev: c.Rev(), off: c.Cursor()}
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if k == p.blockKey {
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return
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}
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p.blockKey = k
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p.block, p.blockOK = c.BlockAt(c.Cursor())
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}
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func (p *Panel) inBlock(l int) bool {
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return p.host.Block && p.blockOK && l >= p.block.Line0 && l <= p.block.Line1
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}
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func (p *Panel) buildGuides(first, last int) {
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p.guideAt = first
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p.guides = p.guides[:0]
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if !p.host.Rainbow || last <= first {
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return
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}
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for i := (last - first) * guideLevels; i > 0; i-- {
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p.guides = append(p.guides, -1)
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}
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for _, g := range p.doc.Code.Guides() {
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if g.Level >= guideLevels || g.Line1 <= first || g.Line0+1 >= last {
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continue
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}
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for l := max(g.Line0+1, first); l < min(g.Line1, last); l++ {
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p.guides[(l-first)*guideLevels+g.Level] = g.Depth
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}
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}
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}
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func (p *Panel) guideDepth(l, k int) int {
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if k < guideLevels {
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if i := (l-p.guideAt)*guideLevels + k; i >= 0 && i < len(p.guides) && p.guides[i] >= 0 {
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return p.guides[i]
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}
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}
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return k
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}
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func (p *Panel) drawGuides(ui *core.Context, v *lineView, x0, y, spaceW float32, l int) {
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ct := &ui.Theme.Code
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for k := 0; k*tabWidth < v.indent; k++ {
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active := p.blockOK && p.block.Level == k && l > p.block.Line0 && l < p.block.Line1
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col := ct.IndentGuide
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if active {
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col = ct.IndentGuideActive
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}
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if p.host.Rainbow {
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d := p.guideDepth(l, k) % len(ct.GuideRainbow)
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col = ct.GuideRainbow[d]
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if active {
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col = ct.GuideRainbowActive[d]
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}
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}
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x := x0 + float32(k*tabWidth)*spaceW
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ui.Rect(mathx.Rect{X: x, Y: y, W: 1, H: p.lineH}, col)
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}
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}
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