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87 lines
1.7 KiB
Go
87 lines
1.7 KiB
Go
// Package twin provides Terminal Window interaction
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package twin
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// Used for testing.
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//
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// Try GetRow() after some SetCell() calls to see what you got.
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type FakeScreen struct {
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width int
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height int
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cells [][]Cell
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}
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func NewFakeScreen(width int, height int) *FakeScreen {
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rows := make([][]Cell, height)
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for i := 0; i < height; i++ {
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rows[i] = make([]Cell, width)
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}
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return &FakeScreen{
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width: width,
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height: height,
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cells: rows,
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}
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}
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func (screen *FakeScreen) Close() {
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// This method intentionally left blank
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}
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func (screen *FakeScreen) Clear() {
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// This method's contents has been copied from UnixScreen.Clear()
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empty := NewCell(' ', StyleDefault)
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width, height := screen.Size()
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for row := 0; row < height; row++ {
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for column := 0; column < width; column++ {
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screen.cells[row][column] = empty
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}
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}
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}
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func (screen *FakeScreen) SetCell(column int, row int, cell Cell) {
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// This method's contents has been copied from UnixScreen.Clear()
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if column < 0 {
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return
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}
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if row < 0 {
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return
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}
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width, height := screen.Size()
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if column >= width {
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return
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}
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if row >= height {
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return
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}
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screen.cells[row][column] = cell
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}
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func (screen *FakeScreen) Show() {
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// This method intentionally left blank
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}
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func (screen *FakeScreen) ShowNLines(int) {
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// This method intentionally left blank
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}
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func (screen *FakeScreen) Size() (width int, height int) {
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return screen.width, screen.height
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}
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func (screen *FakeScreen) ShowCursorAt(column int, row int) {
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// This method intentionally left blank
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}
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func (screen *FakeScreen) Events() chan Event {
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// TODO: Do better here if or when this becomes a problem
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return nil
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}
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func (screen *FakeScreen) GetRow(row int) []Cell {
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return screen.cells[row]
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}
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