Last active
September 2, 2019 15:09
-
-
Save loloof64/c97588a6848d66ada3d4641879717625 to your computer and use it in GitHub Desktop.
Trying to create a chessboard in Fyne
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package main | |
import ( | |
"image/color" | |
"fyne.io/fyne" | |
"fyne.io/fyne/canvas" | |
"fyne.io/fyne/layout" | |
"fyne.io/fyne/widget" | |
) | |
type ChessBoard struct { | |
size fyne.Size | |
position fyne.Position | |
hidden bool | |
} | |
type chessboardRenderer struct { | |
grid *fyne.Container | |
board *ChessBoard | |
} | |
func (c *ChessBoard) CreateRenderer() fyne.WidgetRenderer { | |
renderer := &chessboardRenderer{board: c} | |
var cells = []fyne.CanvasObject{} | |
for j := 0; j < 8; j++ { | |
for i := 0; i < 8; i++ { | |
blackCell := (i+j)%2 > 0 | |
cells = append(cells, &ChessCell{isBlack: blackCell}) | |
} | |
} | |
renderer.grid = fyne.NewContainerWithLayout(layout.NewGridLayout(8), cells...) | |
return renderer | |
} | |
func (c *chessboardRenderer) MinSize() fyne.Size { | |
return fyne.Size{8 * cellSize, 8 * cellSize} | |
} | |
func (c *chessboardRenderer) Layout(size fyne.Size) { | |
c.grid.Layout.Layout(c.grid.Objects, size) | |
} | |
func (c *chessboardRenderer) ApplyTheme() { | |
} | |
func (c *chessboardRenderer) BackgroundColor() color.Color { | |
return color.RGBA{234, 135, 239, 1} | |
} | |
func (c *chessboardRenderer) Refresh() { | |
canvas.Refresh(c.grid) | |
} | |
func (c *chessboardRenderer) Objects() []fyne.CanvasObject { | |
return c.grid.Objects | |
} | |
func (c *chessboardRenderer) Destroy() { | |
} | |
func (c *ChessBoard) Size() fyne.Size { | |
return c.size | |
} | |
func (c *ChessBoard) Resize(size fyne.Size) { | |
c.size = size | |
widget.Renderer(c).Layout(size) | |
} | |
func (c *ChessBoard) Position() fyne.Position { | |
return c.position | |
} | |
func (c *ChessBoard) Move(pos fyne.Position) { | |
c.position = pos | |
widget.Renderer(c).Layout(c.size) | |
} | |
func (c *ChessBoard) MinSize() fyne.Size { | |
return widget.Renderer(c).MinSize() | |
} | |
func (c *ChessBoard) Visible() bool { | |
return !c.hidden | |
} | |
func (c *ChessBoard) Show() { | |
c.hidden = false | |
} | |
func (c *ChessBoard) Hide() { | |
c.hidden = true | |
} |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package main | |
import ( | |
"image/color" | |
"fyne.io/fyne" | |
"fyne.io/fyne/canvas" | |
"fyne.io/fyne/widget" | |
) | |
const cellSize = 80 | |
type ChessCell struct { | |
size fyne.Size | |
position fyne.Position | |
hidden bool | |
isBlack bool | |
objects []fyne.CanvasObject | |
} | |
func (c *ChessCell) CreateRenderer() fyne.WidgetRenderer { | |
renderer := &chesscellRenderer{cellLogic: c} | |
var color color.Color | |
if c.isBlack { | |
color = blackCellColor | |
} else { | |
color = whiteCellColor | |
} | |
graphicCell := canvas.NewRectangle(color) | |
graphicCell.Resize(fyne.NewSize(cellSize, cellSize)) | |
renderer.graphic = graphicCell | |
c.objects = append(c.objects, graphicCell) | |
return renderer | |
} | |
var whiteCellColor = color.RGBA{255, 206, 158, 1} | |
var blackCellColor = color.RGBA{209, 139, 71, 1} | |
type chesscellRenderer struct { | |
graphic *canvas.Rectangle | |
cellLogic *ChessCell | |
} | |
func (c *chesscellRenderer) MinSize() fyne.Size { | |
return fyne.Size{cellSize, cellSize} | |
} | |
func (c *chesscellRenderer) Layout(size fyne.Size) { | |
} | |
func (c *chesscellRenderer) ApplyTheme() { | |
} | |
func (c *chesscellRenderer) BackgroundColor() color.Color { | |
return c.graphic.FillColor | |
} | |
func (c *chesscellRenderer) Refresh() { | |
canvas.Refresh(c.graphic) | |
} | |
func (c *chesscellRenderer) Objects() []fyne.CanvasObject { | |
return []fyne.CanvasObject{} | |
} | |
func (c *chesscellRenderer) Destroy() { | |
} | |
func (c *ChessCell) Size() fyne.Size { | |
return c.size | |
} | |
func (c *ChessCell) Resize(size fyne.Size) { | |
c.size = size | |
widget.Renderer(c).Layout(size) | |
} | |
func (c *ChessCell) Position() fyne.Position { | |
return c.position | |
} | |
func (c *ChessCell) Move(pos fyne.Position) { | |
c.position = pos | |
widget.Renderer(c).Layout(c.size) | |
} | |
func (c *ChessCell) MinSize() fyne.Size { | |
return widget.Renderer(c).MinSize() | |
} | |
func (c *ChessCell) Visible() bool { | |
return !c.hidden | |
} | |
func (c *ChessCell) Show() { | |
c.hidden = false | |
} | |
func (c *ChessCell) Hide() { | |
c.hidden = true | |
} |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package main | |
import ( | |
"fyne.io/fyne" | |
"fyne.io/fyne/app" | |
"fyne.io/fyne/layout" | |
"fyne.io/fyne/widget" | |
) | |
func main() { | |
app := app.New() | |
window := app.NewWindow("Basic chess endgames") | |
button := widget.NewButton("Quit", func() { | |
app.Quit() | |
}) | |
window.SetContent(fyne.NewContainerWithLayout( | |
layout.NewBorderLayout(nil, | |
button, | |
nil, | |
nil), | |
&ChessBoard{}, | |
button)) | |
window.ShowAndRun() | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment