// Draw a popup menu
func (menu *PopupMenu) Draw(rend *sdl.Renderer) {
if !menu.Visible {
return
}
rend.SetDrawColor(hexcolor(0x303030))
rend.FillRect(&menu.Pos)
rend.SetDrawColor(hexcolor(0x363636))
rend.DrawRect(&menu.Pos)
if menu.hover != -1 && menu.hover < len(menu.entries) {
rend.SetDrawColor(hexcolor(0x406f40))
rend.FillRect(&menu.entries[menu.hover].label.Pos)
}
for _, e := range menu.entries {
e.Draw(rend)
}
}
func (node *Node) Draw(rend *sdl.Renderer) {
if node.dragging {
node.curr.X += (node.goal.X - node.curr.X) * (15.0 / 30.0)
node.curr.Y += (node.goal.Y - node.curr.Y) * (15.0 / 30.0)
node.Pos.X = int32(node.curr.X)
node.Pos.Y = int32(node.curr.Y)
node.label.Pos = node.Pos
}
clr := node.color
if !node.dragging {
rend.SetDrawColor(clr)
rend.FillRect(&node.Pos)
}
rend.SetDrawColor(lighten(clr, 19))
rend.DrawRect(&node.Pos)
node.label.Draw(rend)
if node.menu.Visible {
node.menu.Draw(rend)
}
}
func (canvas *CanvasPane) Draw(rend *sdl.Renderer) {
for _, n := range canvas.nodes {
n.DrawLink(rend)
}
for _, n := range canvas.nodes {
n.Draw(rend)
}
canvas.menu.Draw(rend)
if canvas.new_link != nil {
_, x, y := sdl.GetMouseState()
n0 := canvas.nodes[*canvas.new_link]
rend.SetDrawColor(hexcolor(0xffffff))
pos := n0.GetPos()
rend.DrawRect(&pos)
rend.SetDrawColor(hexcolor(0x694ae9))
rend.DrawLine(n0.GetPos().X+n0.GetPos().W/2, n0.GetPos().Y+n0.GetPos().H/2, int32(x), int32(y))
}
}