package layouts import ( "git.tordarus.net/Tordarus/tui" ) // SeperatorLayout ia a tui.Layout which separates its view into gravity-based portions type SeperatorLayout struct { tui.ViewTmpl views []tui.View gravity map[tui.View]int gravitySum int Orientation tui.Orientation } var _ tui.Layout = &SeperatorLayout{} func NewSeparatorLayout(orientation tui.Orientation) *SeperatorLayout { return &SeperatorLayout{ views: make([]tui.View, 0), gravity: map[tui.View]int{}, Orientation: orientation, } } func (g *SeperatorLayout) Views() []tui.View { return g.views[:] } func (g *SeperatorLayout) AppendView(v tui.View, gravity int) { g.views = append(g.views, v) g.gravitySum += gravity g.gravity[v] = gravity } func (g *SeperatorLayout) PrependView(v tui.View, gravity int) { g.views = append([]tui.View{v}, g.views...) g.gravitySum += gravity g.gravity[v] = gravity } func (g *SeperatorLayout) InsertView(v tui.View, index int, gravity int) { g.views = append(g.views[:index], append([]tui.View{v}, g.views[index:]...)...) g.gravitySum += gravity g.gravity[v] = gravity } func (g *SeperatorLayout) SetGravity(v tui.View, gravity int) { for _, view := range g.Views() { if view == v { g.gravitySum += gravity - g.gravity[v] g.gravity[v] = gravity return } } } func (g *SeperatorLayout) RemoveView(v tui.View) { for index, view := range g.Views() { if view == v { g.views = append(g.views[:index], g.views[index:]...) g.gravitySum -= g.gravity[v] delete(g.gravity, v) return } } } func (g *SeperatorLayout) View(index int) tui.View { return g.views[index] } func (g *SeperatorLayout) Draw(buf *tui.ViewBuffer) { g.ViewTmpl.Draw(buf) if g.Orientation == tui.Horizontal { x := 0 for _, v := range g.Views() { viewGravity := g.gravity[v] percentage := float64(viewGravity) / float64(g.gravitySum) width := int(percentage * float64(buf.Width())) v.Draw(buf.Sub(x, 0, width, buf.Height())) x += width } } else if g.Orientation == tui.Vertical { y := 0 for _, v := range g.Views() { viewGravity := g.gravity[v] percentage := float64(viewGravity) / float64(g.gravitySum) height := int(percentage * float64(buf.Height())) v.Draw(buf.Sub(0, y, buf.Width(), height)) y += height } } } func (g *SeperatorLayout) Layout() (prefWidth, prefHeight int) { return -1, -1 } func (g *SeperatorLayout) OnKeyPressed(event *tui.KeyEvent) (consumed bool) { for _, view := range g.Views() { if view.OnKeyPressed(event) { return true } } return false } // TODO OnMouseEvent