74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
package cursor
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var height int
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// Bottom moves the cursor to the bottom of the terminal.
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// This is done by calculating how many lines were moved by Up and Down.
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func Bottom() {
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if height > 0 {
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Down(height)
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StartOfLine()
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height = 0
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}
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}
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// StartOfLine moves the cursor to the start of the current line.
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func StartOfLine() {
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HorizontalAbsolute(0)
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}
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// StartOfLineDown moves the cursor down by n lines, then moves to cursor to the start of the line.
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func StartOfLineDown(n int) {
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Down(n)
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StartOfLine()
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}
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// StartOfLineUp moves the cursor up by n lines, then moves to cursor to the start of the line.
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func StartOfLineUp(n int) {
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Up(n)
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StartOfLine()
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}
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// UpAndClear moves the cursor up by n lines, then clears the line.
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func UpAndClear(n int) {
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Up(n)
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ClearLine()
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}
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// DownAndClear moves the cursor down by n lines, then clears the line.
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func DownAndClear(n int) {
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Down(n)
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ClearLine()
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}
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// Move moves the cursor relative by x and y.
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func Move(x, y int) {
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if x > 0 {
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Right(x)
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} else if x < 0 {
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x *= -1
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Left(x)
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}
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if y > 0 {
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Up(y)
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} else if y < 0 {
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y *= -1
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Down(y)
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}
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}
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// ClearLinesUp clears n lines upwards from the current position and moves the cursor.
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func ClearLinesUp(n int) {
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for i := 0; i < n; i++ {
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UpAndClear(1)
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}
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}
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// ClearLinesDown clears n lines downwards from the current position and moves the cursor.
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func ClearLinesDown(n int) {
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for i := 0; i < n; i++ {
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DownAndClear(1)
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}
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}
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