57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package layouts
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import "git.milar.in/milarin/tui"
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// CoordLayout is a tui.Layout which places its children on predefined coordinates
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type CoordLayout struct {
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tui.ViewTmpl
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views map[tui.View]tui.Dimension
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}
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var _ tui.Layout = &CoordLayout{}
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func NewCoordLayout() *CoordLayout {
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return &CoordLayout{
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views: map[tui.View]tui.Dimension{},
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}
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}
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func (g *CoordLayout) Views() []tui.View {
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s := make([]tui.View, 0, len(g.views))
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for v := range g.views {
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s = append(s, v)
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}
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return s
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}
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// SetView places v at the given coordinates with the given dimensions.
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// v will be added to g's children if not already added before
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func (g *CoordLayout) SetView(v tui.View, x, y, width, height int) {
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g.views[v] = tui.Dimension{Point: tui.Point{X: x, Y: y}, Size: tui.Size{Width: width, Height: height}}
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}
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func (g *CoordLayout) Draw(buf *tui.ViewBuffer) {
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for v, d := range g.views {
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v.Draw(buf.Sub(d.X, d.Y, d.Width, d.Height))
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}
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}
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func (v *CoordLayout) Layout() (prefWidth, prefHeight int) {
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return -1, -1
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}
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func (g *CoordLayout) OnKeyPressed(event *tui.KeyEvent) (consumed bool) {
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if g.KeyPressed != nil {
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return g.KeyPressed(event)
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}
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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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// TODO OnMouseEvent
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