52 lines
1022 B
Go
52 lines
1022 B
Go
package layout
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import (
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. "github.com/sqshq/termui"
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)
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type Layout struct {
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Block
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items []Item
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}
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const (
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columnsCount = 30
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rowsCount = 30
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)
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func NewLayout(width, height int) *Layout {
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block := *NewBlock()
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block.SetRect(0, 0, width, height)
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return &Layout{
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Block: block,
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items: make([]Item, 0),
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}
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}
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func (self *Layout) AddItem(drawable Drawable, position Position, size Size) {
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self.items = append(self.items, Item{drawable, position, size})
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}
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func (self *Layout) ChangeDimensions(width, height int) {
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self.SetRect(0, 0, width, height)
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}
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func (self *Layout) Draw(buf *Buffer) {
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columnWidth := float64(self.GetRect().Dx()) / columnsCount
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rowHeight := float64(self.GetRect().Dy()) / rowsCount
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for _, item := range self.items {
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x1 := float64(item.Position.X) * columnWidth
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y1 := float64(item.Position.Y) * rowHeight
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x2 := x1 + float64(item.Size.X)*columnWidth
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y2 := y1 + float64(item.Size.Y)*rowHeight
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item.Data.SetRect(int(x1), int(y1), int(x2), int(y2))
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item.Data.Draw(buf)
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}
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}
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