84 lines
1.8 KiB
Go
84 lines
1.8 KiB
Go
package ui
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import (
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"github.com/gdamore/tcell/v2"
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"git.sr.ht/~rjarry/aerc/config"
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)
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const (
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BORDER_LEFT = 1 << iota
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BORDER_TOP = 1 << iota
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BORDER_RIGHT = 1 << iota
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BORDER_BOTTOM = 1 << iota
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)
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type Bordered struct {
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Invalidatable
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borders uint
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content Drawable
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uiConfig *config.UIConfig
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}
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func NewBordered(
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content Drawable, borders uint, uiConfig *config.UIConfig,
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) *Bordered {
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b := &Bordered{
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borders: borders,
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content: content,
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uiConfig: uiConfig,
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}
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content.OnInvalidate(b.contentInvalidated)
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return b
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}
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func (bordered *Bordered) contentInvalidated(d Drawable) {
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bordered.Invalidate()
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}
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func (bordered *Bordered) Children() []Drawable {
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return []Drawable{bordered.content}
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}
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func (bordered *Bordered) Invalidate() {
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bordered.DoInvalidate(bordered)
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}
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func (bordered *Bordered) Draw(ctx *Context) {
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x := 0
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y := 0
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width := ctx.Width()
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height := ctx.Height()
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style := bordered.uiConfig.GetStyle(config.STYLE_BORDER)
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verticalChar := bordered.uiConfig.BorderCharVertical
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horizontalChar := bordered.uiConfig.BorderCharHorizontal
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if bordered.borders&BORDER_LEFT != 0 {
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ctx.Fill(0, 0, 1, ctx.Height(), verticalChar, style)
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x += 1
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width -= 1
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}
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if bordered.borders&BORDER_TOP != 0 {
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ctx.Fill(0, 0, ctx.Width(), 1, horizontalChar, style)
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y += 1
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height -= 1
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}
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if bordered.borders&BORDER_RIGHT != 0 {
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ctx.Fill(ctx.Width()-1, 0, 1, ctx.Height(), verticalChar, style)
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width -= 1
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}
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if bordered.borders&BORDER_BOTTOM != 0 {
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ctx.Fill(0, ctx.Height()-1, ctx.Width(), 1, horizontalChar, style)
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height -= 1
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}
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subctx := ctx.Subcontext(x, y, width, height)
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bordered.content.Draw(subctx)
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}
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func (bordered *Bordered) MouseEvent(localX int, localY int, event tcell.Event) {
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switch content := bordered.content.(type) {
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case Mouseable:
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content.MouseEvent(localX, localY, event)
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}
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}
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