112 lines
2.5 KiB
Go
112 lines
2.5 KiB
Go
package views
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import (
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"git.tordarus.net/Tordarus/tui"
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)
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// SeperatorLayout ia a tui.Layout which separates
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type SeperatorLayout struct {
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tui.ViewTmpl
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views []tui.View
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gravity map[tui.View]int
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gravitySum int
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Orientation tui.Orientation
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}
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var _ tui.Layout = &SeperatorLayout{}
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func NewSeparatorLayout(orientation tui.Orientation) *SeperatorLayout {
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return &SeperatorLayout{
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views: make([]tui.View, 0),
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gravity: map[tui.View]int{},
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Orientation: orientation,
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}
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}
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func (g *SeperatorLayout) Views() []tui.View {
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return g.views[:]
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}
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func (g *SeperatorLayout) AppendView(v tui.View, gravity int) {
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g.views = append(g.views, v)
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g.gravitySum += gravity
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g.gravity[v] = gravity
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}
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func (g *SeperatorLayout) PrependView(v tui.View, gravity int) {
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g.views = append([]tui.View{v}, g.views...)
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g.gravitySum += gravity
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g.gravity[v] = gravity
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}
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func (g *SeperatorLayout) InsertView(v tui.View, index int, gravity int) {
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g.views = append(g.views[:index], append([]tui.View{v}, g.views[index:]...)...)
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g.gravitySum += gravity
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g.gravity[v] = gravity
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}
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func (g *SeperatorLayout) SetGravity(v tui.View, gravity int) {
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for _, view := range g.Views() {
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if view == v {
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g.gravitySum += gravity - g.gravity[v]
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g.gravity[v] = gravity
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return
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}
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}
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}
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func (g *SeperatorLayout) RemoveView(v tui.View) {
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for index, view := range g.Views() {
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if view == v {
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g.views = append(g.views[:index], g.views[index:]...)
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g.gravitySum -= g.gravity[v]
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delete(g.gravity, v)
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return
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}
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}
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}
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func (g *SeperatorLayout) View(slot Slot) tui.View {
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return g.views[slot]
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}
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func (g *SeperatorLayout) Draw(buf *tui.ViewBuffer) {
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g.ViewTmpl.Draw(buf)
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if g.Orientation == tui.Horizontal {
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x := 0
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for _, v := range g.Views() {
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viewGravity := g.gravity[v]
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percentage := float64(viewGravity) / float64(g.gravitySum)
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width := int(percentage * float64(buf.Width()))
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v.Draw(buf.Sub(x, 0, width, buf.Height()))
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x += width
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}
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} else if g.Orientation == tui.Vertical {
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y := 0
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for _, v := range g.Views() {
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viewGravity := g.gravity[v]
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percentage := float64(viewGravity) / float64(g.gravitySum)
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height := int(percentage * float64(buf.Height()))
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v.Draw(buf.Sub(0, y, buf.Width(), height))
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y += height
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}
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}
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}
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func (g *SeperatorLayout) Layout() (prefWidth, prefHeight int) {
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return -1, -1
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}
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func (g *SeperatorLayout) OnKeyPressed(event *tui.KeyEvent) (consumed bool) {
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for _, view := range g.Views() {
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if view.OnKeyPressed(event) {
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return true
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}
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}
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return false
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}
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