mirror of
https://github.com/mum4k/termdash.git
synced 2025-04-25 13:48:50 +08:00
741 lines
18 KiB
Go
741 lines
18 KiB
Go
package grid
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import (
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"context"
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"image"
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"testing"
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"time"
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"github.com/mum4k/termdash"
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"github.com/mum4k/termdash/cell"
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"github.com/mum4k/termdash/container"
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"github.com/mum4k/termdash/internal/area"
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"github.com/mum4k/termdash/internal/canvas/testcanvas"
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"github.com/mum4k/termdash/internal/draw"
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"github.com/mum4k/termdash/internal/draw/testdraw"
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"github.com/mum4k/termdash/internal/faketerm"
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"github.com/mum4k/termdash/internal/fakewidget"
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"github.com/mum4k/termdash/linestyle"
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"github.com/mum4k/termdash/terminal/termbox"
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"github.com/mum4k/termdash/widgetapi"
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"github.com/mum4k/termdash/widgets/barchart"
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)
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// Shows how to create a simple 4x4 grid with four widgets.
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// All the cells in the grid contain the same widget in this example.
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func Example() {
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tbx, err := termbox.New()
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if err != nil {
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panic(err)
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}
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defer tbx.Close()
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bc, err := barchart.New()
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if err != nil {
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panic(err)
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}
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builder := New()
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builder.Add(
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RowHeightPerc(
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50,
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ColWidthPerc(50, Widget(bc)),
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ColWidthPerc(50, Widget(bc)),
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),
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RowHeightPerc(
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50,
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ColWidthPerc(50, Widget(bc)),
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ColWidthPerc(50, Widget(bc)),
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),
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)
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gridOpts, err := builder.Build()
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if err != nil {
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panic(err)
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}
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cont, err := container.New(tbx, gridOpts...)
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if err != nil {
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panic(err)
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}
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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if err := termdash.Run(ctx, tbx, cont); err != nil {
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panic(err)
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}
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}
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// Shows how to create rows iteratively. Each row contains two columns and each
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// column contains the same widget.
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func Example_iterative() {
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tbx, err := termbox.New()
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if err != nil {
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panic(err)
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}
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defer tbx.Close()
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bc, err := barchart.New()
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if err != nil {
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panic(err)
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}
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builder := New()
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for i := 0; i < 5; i++ {
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builder.Add(
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RowHeightPerc(
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20,
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ColWidthPerc(50, Widget(bc)),
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ColWidthPerc(50, Widget(bc)),
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),
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)
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}
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gridOpts, err := builder.Build()
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if err != nil {
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panic(err)
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}
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cont, err := container.New(tbx, gridOpts...)
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if err != nil {
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panic(err)
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}
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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if err := termdash.Run(ctx, tbx, cont); err != nil {
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panic(err)
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}
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}
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// mirror returns a new fake widget.
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func mirror() *fakewidget.Mirror {
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return fakewidget.New(widgetapi.Options{})
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}
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// mustHSplit splits the area or panics.
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func mustHSplit(ar image.Rectangle, heightPerc int) (top image.Rectangle, bottom image.Rectangle) {
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t, b, err := area.HSplit(ar, heightPerc)
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if err != nil {
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panic(err)
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}
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return t, b
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}
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// mustVSplit splits the area or panics.
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func mustVSplit(ar image.Rectangle, widthPerc int) (left image.Rectangle, right image.Rectangle) {
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l, r, err := area.VSplit(ar, widthPerc)
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if err != nil {
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panic(err)
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}
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return l, r
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}
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func TestBuilder(t *testing.T) {
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tests := []struct {
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desc string
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termSize image.Point
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builder *Builder
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want func(size image.Point) *faketerm.Terminal
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wantErr bool
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}{
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{
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desc: "fails when Widget is mixed with Rows and Columns at top level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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RowHeightPerc(50),
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Widget(mirror()),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when Widget is mixed with Rows and Columns at sub level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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RowHeightPerc(
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50,
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RowHeightPerc(50),
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Widget(mirror()),
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),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when Row heightPerc is too low at top level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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RowHeightPerc(0),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when Row heightPerc is too low at sub level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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RowHeightPerc(
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50,
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RowHeightPerc(0),
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),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when Row heightPerc is too high at top level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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RowHeightPerc(100),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when Row heightPerc is too high at sub level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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RowHeightPerc(
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50,
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RowHeightPerc(100),
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),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when Col widthPerc is too low at top level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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ColWidthPerc(0),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when Col widthPerc is too low at sub level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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ColWidthPerc(
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50,
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ColWidthPerc(0),
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),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when Col widthPerc is too high at top level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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ColWidthPerc(100),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when Col widthPerc is too high at sub level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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ColWidthPerc(
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50,
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ColWidthPerc(100),
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),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when height sum is too large at top level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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RowHeightPerc(50),
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RowHeightPerc(50),
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RowHeightPerc(1),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when height sum is too large at sub level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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RowHeightPerc(
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50,
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RowHeightPerc(50),
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RowHeightPerc(50),
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RowHeightPerc(1),
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),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when width sum is too large at top level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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ColWidthPerc(50),
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ColWidthPerc(50),
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ColWidthPerc(1),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "fails when width sum is too large at sub level",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(
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ColWidthPerc(
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50,
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ColWidthPerc(50),
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ColWidthPerc(50),
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ColWidthPerc(1),
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),
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)
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return b
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}(),
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wantErr: true,
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},
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{
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desc: "empty container when nothing is added",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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return New()
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}(),
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},
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{
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desc: "widget in the outer most container",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(Widget(mirror()))
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return b
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}(),
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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cvs := testcanvas.MustNew(ft.Area())
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fakewidget.MustDraw(ft, cvs, widgetapi.Options{})
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return ft
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},
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},
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{
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desc: "two equal rows",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(RowHeightPerc(50, Widget(mirror())))
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b.Add(RowHeightPerc(50, Widget(mirror())))
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return b
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}(),
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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top, bot := mustHSplit(ft.Area(), 50)
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fakewidget.MustDraw(ft, testcanvas.MustNew(top), widgetapi.Options{})
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fakewidget.MustDraw(ft, testcanvas.MustNew(bot), widgetapi.Options{})
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return ft
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},
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},
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{
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desc: "two unequal rows",
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termSize: image.Point{10, 10},
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builder: func() *Builder {
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b := New()
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b.Add(RowHeightPerc(20, Widget(mirror())))
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b.Add(RowHeightPerc(80, Widget(mirror())))
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return b
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}(),
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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top, bot := mustHSplit(ft.Area(), 20)
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fakewidget.MustDraw(ft, testcanvas.MustNew(top), widgetapi.Options{})
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fakewidget.MustDraw(ft, testcanvas.MustNew(bot), widgetapi.Options{})
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return ft
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},
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},
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{
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desc: "two equal columns",
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termSize: image.Point{20, 10},
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builder: func() *Builder {
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b := New()
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b.Add(ColWidthPerc(50, Widget(mirror())))
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b.Add(ColWidthPerc(50, Widget(mirror())))
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return b
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}(),
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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left, right := mustVSplit(ft.Area(), 50)
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fakewidget.MustDraw(ft, testcanvas.MustNew(left), widgetapi.Options{})
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fakewidget.MustDraw(ft, testcanvas.MustNew(right), widgetapi.Options{})
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return ft
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},
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},
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{
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desc: "two unequal columns",
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termSize: image.Point{40, 10},
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builder: func() *Builder {
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b := New()
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b.Add(ColWidthPerc(20, Widget(mirror())))
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b.Add(ColWidthPerc(80, Widget(mirror())))
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return b
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}(),
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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left, right := mustVSplit(ft.Area(), 20)
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fakewidget.MustDraw(ft, testcanvas.MustNew(left), widgetapi.Options{})
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fakewidget.MustDraw(ft, testcanvas.MustNew(right), widgetapi.Options{})
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return ft
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},
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},
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{
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desc: "rows with columns (equal)",
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termSize: image.Point{20, 20},
|
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builder: func() *Builder {
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b := New()
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b.Add(
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RowHeightPerc(
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50,
|
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ColWidthPerc(50, Widget(mirror())),
|
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ColWidthPerc(50, Widget(mirror())),
|
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),
|
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RowHeightPerc(
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50,
|
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ColWidthPerc(50, Widget(mirror())),
|
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ColWidthPerc(50, Widget(mirror())),
|
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),
|
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)
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return b
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}(),
|
|
want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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top, bot := mustHSplit(ft.Area(), 50)
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topLeft, topRight := mustVSplit(top, 50)
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botLeft, botRight := mustVSplit(bot, 50)
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fakewidget.MustDraw(ft, testcanvas.MustNew(topLeft), widgetapi.Options{})
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fakewidget.MustDraw(ft, testcanvas.MustNew(topRight), widgetapi.Options{})
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fakewidget.MustDraw(ft, testcanvas.MustNew(botLeft), widgetapi.Options{})
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fakewidget.MustDraw(ft, testcanvas.MustNew(botRight), widgetapi.Options{})
|
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return ft
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},
|
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},
|
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{
|
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desc: "rows with columns (unequal)",
|
|
termSize: image.Point{40, 20},
|
|
builder: func() *Builder {
|
|
b := New()
|
|
b.Add(
|
|
RowHeightPerc(
|
|
20,
|
|
ColWidthPerc(20, Widget(mirror())),
|
|
ColWidthPerc(80, Widget(mirror())),
|
|
),
|
|
RowHeightPerc(
|
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80,
|
|
ColWidthPerc(80, Widget(mirror())),
|
|
ColWidthPerc(20, Widget(mirror())),
|
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),
|
|
)
|
|
return b
|
|
}(),
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
top, bot := mustHSplit(ft.Area(), 20)
|
|
|
|
topLeft, topRight := mustVSplit(top, 20)
|
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botLeft, botRight := mustVSplit(bot, 80)
|
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fakewidget.MustDraw(ft, testcanvas.MustNew(topLeft), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topRight), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botLeft), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botRight), widgetapi.Options{})
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "columns with rows (equal)",
|
|
termSize: image.Point{20, 20},
|
|
builder: func() *Builder {
|
|
b := New()
|
|
b.Add(
|
|
ColWidthPerc(
|
|
50,
|
|
RowHeightPerc(50, Widget(mirror())),
|
|
RowHeightPerc(50, Widget(mirror())),
|
|
),
|
|
ColWidthPerc(
|
|
50,
|
|
RowHeightPerc(50, Widget(mirror())),
|
|
RowHeightPerc(50, Widget(mirror())),
|
|
),
|
|
)
|
|
return b
|
|
}(),
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
top, bot := mustHSplit(ft.Area(), 50)
|
|
|
|
topLeft, topRight := mustVSplit(top, 50)
|
|
botLeft, botRight := mustVSplit(bot, 50)
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topLeft), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topRight), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botLeft), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botRight), widgetapi.Options{})
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "columns with rows (unequal)",
|
|
termSize: image.Point{40, 20},
|
|
builder: func() *Builder {
|
|
b := New()
|
|
b.Add(
|
|
ColWidthPerc(
|
|
20,
|
|
RowHeightPerc(20, Widget(mirror())),
|
|
RowHeightPerc(80, Widget(mirror())),
|
|
),
|
|
ColWidthPerc(
|
|
80,
|
|
RowHeightPerc(80, Widget(mirror())),
|
|
RowHeightPerc(20, Widget(mirror())),
|
|
),
|
|
)
|
|
return b
|
|
}(),
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
left, right := mustVSplit(ft.Area(), 20)
|
|
|
|
topLeft, topRight := mustHSplit(left, 20)
|
|
botLeft, botRight := mustHSplit(right, 80)
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topLeft), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topRight), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botLeft), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botRight), widgetapi.Options{})
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "rows with rows with columns",
|
|
termSize: image.Point{40, 40},
|
|
builder: func() *Builder {
|
|
b := New()
|
|
b.Add(
|
|
RowHeightPerc(
|
|
50,
|
|
RowHeightPerc(
|
|
50,
|
|
ColWidthPerc(50, Widget(mirror())),
|
|
ColWidthPerc(50, Widget(mirror())),
|
|
),
|
|
RowHeightPerc(
|
|
50,
|
|
ColWidthPerc(50, Widget(mirror())),
|
|
ColWidthPerc(50, Widget(mirror())),
|
|
),
|
|
),
|
|
RowHeightPerc(
|
|
50,
|
|
RowHeightPerc(
|
|
50,
|
|
ColWidthPerc(50, Widget(mirror())),
|
|
ColWidthPerc(50, Widget(mirror())),
|
|
),
|
|
RowHeightPerc(
|
|
50,
|
|
ColWidthPerc(50, Widget(mirror())),
|
|
ColWidthPerc(50, Widget(mirror())),
|
|
),
|
|
),
|
|
)
|
|
return b
|
|
}(),
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
top, bot := mustHSplit(ft.Area(), 50)
|
|
topTop, topBot := mustHSplit(top, 50)
|
|
botTop, botBot := mustHSplit(bot, 50)
|
|
|
|
topTopLeft, topTopRight := mustVSplit(topTop, 50)
|
|
topBotLeft, topBotRight := mustVSplit(topBot, 50)
|
|
botTopLeft, botTopRight := mustVSplit(botTop, 50)
|
|
botBotLeft, botBotRight := mustVSplit(botBot, 50)
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topTopLeft), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topTopRight), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topBotLeft), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topBotRight), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botTopLeft), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botTopRight), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botBotLeft), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botBotRight), widgetapi.Options{})
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "rows mixed with columns at top level",
|
|
termSize: image.Point{40, 30},
|
|
builder: func() *Builder {
|
|
b := New()
|
|
b.Add(
|
|
RowHeightPerc(20, Widget(mirror())),
|
|
ColWidthPerc(20, Widget(mirror())),
|
|
RowHeightPerc(20, Widget(mirror())),
|
|
ColWidthPerc(20, Widget(mirror())),
|
|
)
|
|
return b
|
|
}(),
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
top, bot := mustHSplit(ft.Area(), 20)
|
|
|
|
left, right := mustVSplit(bot, 20)
|
|
topRight, botRight := mustHSplit(right, 25)
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(top), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(left), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topRight), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botRight), widgetapi.Options{})
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "rows mixed with columns at sub level",
|
|
termSize: image.Point{40, 30},
|
|
builder: func() *Builder {
|
|
b := New()
|
|
b.Add(
|
|
RowHeightPerc(
|
|
50,
|
|
RowHeightPerc(20, Widget(mirror())),
|
|
ColWidthPerc(20, Widget(mirror())),
|
|
RowHeightPerc(20, Widget(mirror())),
|
|
ColWidthPerc(20, Widget(mirror())),
|
|
),
|
|
RowHeightPerc(50, Widget(mirror())),
|
|
)
|
|
return b
|
|
}(),
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
top, bot := mustHSplit(ft.Area(), 50)
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(bot), widgetapi.Options{})
|
|
|
|
topTop, topBot := mustHSplit(top, 20)
|
|
left, right := mustVSplit(topBot, 20)
|
|
topRight, botRight := mustHSplit(right, 25)
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topTop), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(left), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(topRight), widgetapi.Options{})
|
|
fakewidget.MustDraw(ft, testcanvas.MustNew(botRight), widgetapi.Options{})
|
|
return ft
|
|
},
|
|
},
|
|
{
|
|
desc: "widget's container can have options",
|
|
termSize: image.Point{20, 20},
|
|
builder: func() *Builder {
|
|
b := New()
|
|
b.Add(
|
|
Widget(
|
|
mirror(),
|
|
container.Border(linestyle.Double),
|
|
),
|
|
)
|
|
return b
|
|
}(),
|
|
want: func(size image.Point) *faketerm.Terminal {
|
|
ft := faketerm.MustNew(size)
|
|
cvs := testcanvas.MustNew(ft.Area())
|
|
testdraw.MustBorder(
|
|
cvs,
|
|
cvs.Area(),
|
|
draw.BorderLineStyle(linestyle.Double),
|
|
draw.BorderCellOpts(cell.FgColor(cell.ColorYellow)),
|
|
)
|
|
wCvs := testcanvas.MustNew(area.ExcludeBorder(cvs.Area()))
|
|
fakewidget.MustDraw(ft, wCvs, widgetapi.Options{})
|
|
testcanvas.MustCopyTo(wCvs, cvs)
|
|
testcanvas.MustApply(cvs, ft)
|
|
return ft
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
got, err := faketerm.New(tc.termSize)
|
|
if err != nil {
|
|
t.Fatalf("faketerm.New => unexpected error: %v", err)
|
|
}
|
|
|
|
gridOpts, err := tc.builder.Build()
|
|
if (err != nil) != tc.wantErr {
|
|
t.Errorf("tc.builder => unexpected error:%v, wantErr:%v", err, tc.wantErr)
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
cont, err := container.New(got, gridOpts...)
|
|
if err != nil {
|
|
t.Fatalf("container.New => unexpected error: %v", err)
|
|
}
|
|
if err := cont.Draw(); err != nil {
|
|
t.Fatalf("Draw => unexpected error: %v", err)
|
|
}
|
|
|
|
var want *faketerm.Terminal
|
|
if tc.want != nil {
|
|
want = tc.want(tc.termSize)
|
|
} else {
|
|
w, err := faketerm.New(tc.termSize)
|
|
if err != nil {
|
|
t.Fatalf("faketerm.New => unexpected error: %v", err)
|
|
}
|
|
want = w
|
|
}
|
|
if diff := faketerm.Diff(want, got); diff != "" {
|
|
t.Errorf("Draw => %v", diff)
|
|
}
|
|
})
|
|
}
|
|
}
|