65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package widgets
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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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components []Component
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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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components: make([]Component, 0),
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}
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}
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func (self *Layout) AddComponent(drawable Drawable, position Position, size Size, Type ComponentType) {
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self.components = append(self.components, Component{drawable, position, size, Type})
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}
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func (self *Layout) GetComponents(Type ComponentType) []Drawable {
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var components []Drawable
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for _, component := range self.components {
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if component.Type == Type {
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components = append(components, component.Drawable)
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}
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}
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return components
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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 _, component := range self.components {
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x1 := float64(component.Position.X) * columnWidth
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y1 := float64(component.Position.Y) * rowHeight
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x2 := x1 + float64(component.Size.X)*columnWidth
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y2 := y1 + float64(component.Size.Y)*rowHeight
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component.Drawable.SetRect(int(x1), int(y1), int(x2), int(y2))
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component.Drawable.Draw(buf)
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}
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}
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