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Initial version of height option for Windows
Cleanup and minor fixes Addressing comments Linux fixes another Linux fix Workaround for an input issue if fzf is launched from a PSReadline handler fzf would only get the first character if run from PSReadline handler and with --height mode activated under Windows; minor cleanup Minor cleanup Bring back part of commit 70a92a8 Linux fix
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| // +build !windows | ||
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| package tui | ||
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| import ( | ||
| "fmt" | ||
| "os" | ||
| "syscall" | ||
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| "github.com/junegunn/fzf/src/util" | ||
| "golang.org/x/crypto/ssh/terminal" | ||
| ) | ||
|
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| func IsLightRendererSupported() bool { | ||
| return true | ||
| } | ||
|
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| func (r *LightRenderer) fd() int { | ||
| return int(r.ttyin.Fd()) | ||
| } | ||
|
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| func (r *LightRenderer) initPlatform() error { | ||
| fd := r.fd() | ||
| origState, err := terminal.GetState(fd) | ||
| if err != nil { | ||
| errorExit(err.Error()) | ||
| } | ||
| r.origState = origState | ||
|
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| terminal.MakeRaw(r.fd()) | ||
| return nil | ||
| } | ||
|
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| func (r *LightRenderer) closePlatform() { | ||
| // NOOP | ||
| } | ||
|
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| func openTtyIn() *os.File { | ||
| in, err := os.OpenFile(consoleDevice, syscall.O_RDONLY, 0) | ||
| if err != nil { | ||
| tty := ttyname() | ||
| if len(tty) > 0 { | ||
| if in, err := os.OpenFile(tty, syscall.O_RDONLY, 0); err == nil { | ||
| return in | ||
| } | ||
| } | ||
| fmt.Fprintln(os.Stderr, "Failed to open "+consoleDevice) | ||
| os.Exit(2) | ||
| } | ||
| return in | ||
| } | ||
|
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| func (r *LightRenderer) setupTerminal() { | ||
| terminal.MakeRaw(r.fd()) | ||
| } | ||
|
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| func (r *LightRenderer) restoreTerminal() { | ||
| terminal.Restore(r.fd(), r.origState) | ||
| } | ||
|
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| func (r *LightRenderer) updateTerminalSize() { | ||
| width, height, err := terminal.GetSize(r.fd()) | ||
|
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| if err == nil { | ||
| r.width = width | ||
| r.height = r.maxHeightFunc(height) | ||
| } else { | ||
| r.width = getEnv("COLUMNS", defaultWidth) | ||
| r.height = r.maxHeightFunc(getEnv("LINES", defaultHeight)) | ||
| } | ||
| } | ||
|
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| func (r *LightRenderer) findOffset() (row int, col int) { | ||
| r.csi("6n") | ||
| r.flush() | ||
| bytes := []byte{} | ||
| for tries := 0; tries < offsetPollTries; tries++ { | ||
| bytes = r.getBytesInternal(bytes, tries > 0) | ||
| offsets := offsetRegexp.FindSubmatch(bytes) | ||
| if len(offsets) > 3 { | ||
| // add anything we skipped over to the input buffer | ||
| r.buffer = append(r.buffer, offsets[1]...) | ||
| return atoi(string(offsets[2]), 0) - 1, atoi(string(offsets[3]), 0) - 1 | ||
| } | ||
| } | ||
| return -1, -1 | ||
| } | ||
|
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| func (r *LightRenderer) getch(nonblock bool) (int, bool) { | ||
| b := make([]byte, 1) | ||
| fd := r.fd() | ||
| util.SetNonblock(r.ttyin, nonblock) | ||
|
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| _, err := util.Read(fd, b) | ||
|
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| if err != nil { | ||
| return 0, false | ||
| } | ||
| return int(b[0]), true | ||
| } |
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