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package termui
var Body *Grid
// GridBufferer introduces a Bufferer that can be manipulated by Grid.
type GridBufferer interface {
Bufferer
Resize(int, int, int, int)
SetGrid(int, int, int, int)
}
type Grid struct {
Widgets []GridBufferer
Width int
Height int
Cols int
Rows int
BgColor Color
}
func NewGrid() *Grid {
return &Grid{}
}
func (g *Grid) Set(x0, y0, x1, y1 int, widget GridBufferer) {
if widget == nil {
return
}
if x1 <= x0 || y1 <= y0 {
panic("Invalid widget coordinates")
}
widget.SetGrid(x0, y0, x1, y1)
widget.Resize(g.Width, g.Height, g.Cols, g.Rows)
g.Widgets = append(g.Widgets, widget)
}
func (g *Grid) Resize() {
for _, w := range g.Widgets {
w.Resize(g.Width, g.Height, g.Cols, g.Rows)
}
}
// Buffer implements Bufferer interface.
func (g *Grid) Buffer() *Buffer {
buf := NewFilledBuffer(0, 0, g.Width, g.Height, Cell{' ', ColorDefault, Theme.Bg})
for _, w := range g.Widgets {
buf.MergeWithOffset(w.Buffer(), w.GetXOffset(), w.GetYOffset())
}
return buf
}
func (g *Grid) GetXOffset() int {
return 0
}
func (g *Grid) GetYOffset() int {
return 0
}
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