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43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
package pterm
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import (
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"os"
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"golang.org/x/term"
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)
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// FallbackTerminalWidth is the value used for GetTerminalWidth, if the actual width can not be detected
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// You can override that value if necessary.
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var FallbackTerminalWidth = 80
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// FallbackTerminalHeight is the value used for GetTerminalHeight, if the actual height can not be detected
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// You can override that value if necessary.
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var FallbackTerminalHeight = 10
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// GetTerminalWidth returns the terminal width of the active terminal.
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func GetTerminalWidth() int {
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width, _, _ := GetTerminalSize()
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return width
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}
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// GetTerminalHeight returns the terminal height of the active terminal.
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func GetTerminalHeight() int {
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_, height, _ := GetTerminalSize()
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return height
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}
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// GetTerminalSize returns the width and the height of the active terminal.
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func GetTerminalSize() (width, height int, err error) {
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w, h, err := term.GetSize(int(os.Stdout.Fd()))
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if w <= 0 {
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w = FallbackTerminalWidth
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}
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if h <= 0 {
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h = FallbackTerminalHeight
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}
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if err != nil {
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err = ErrTerminalSizeNotDetectable
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}
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return w, h, err
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}
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