59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
package layouts
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import (
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"image"
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"git.milar.in/milarin/gui"
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)
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// CoordLayout is a gui.Layout which places its children on predefined coordinates
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type CoordLayout struct {
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gui.ViewTmpl
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views map[gui.View]gui.Dimension
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}
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var _ gui.Layout = &CoordLayout{}
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func NewCoordLayout() *CoordLayout {
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return &CoordLayout{
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views: map[gui.View]gui.Dimension{},
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}
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}
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func (g *CoordLayout) Views() []gui.View {
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s := make([]gui.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 gui.View, x, y, width, height int) {
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g.views[v] = gui.Dimension{Point: gui.Point{X: x, Y: y}, Size: gui.Size{Width: width, Height: height}}
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}
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func (g *CoordLayout) Draw(img *gui.Image, ctx gui.AppContext) {
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for v, d := range g.views {
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v.Draw(img.SubImage(image.Rect(d.X, d.Y, d.Width, d.Height)).(*gui.Image), ctx)
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}
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}
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func (v *CoordLayout) Layout(ctx gui.AppContext) (prefWidth, prefHeight int) {
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return -1, -1
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}
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/*
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func (g *CoordLayout) OnKeyPressed(event *gui.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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*/
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// TODO OnMouseEvent
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