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