Non-scrolling file viewer
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parent
067b38c26a
commit
7d435d1556
@ -26,9 +26,9 @@ func (e *editor) RefreshScreen() {
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}
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func (e *editor) drawRows(ab *buffer) {
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for y :=0; y < e.screen.Rows; y += 1 {
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if y >= e.screen.Rows {
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if y == e.screen.Rows / 3 {
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for y :=0; y < e.screen.Rows; y++ {
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if y >= len(e.rows) {
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if len(e.rows) == 0 && y == e.screen.Rows / 3 {
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welcome := fmt.Sprintf("Gilo editor -- version %s", KiloVersion)
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if len(welcome) > e.screen.Cols {
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welcome = truncateString(welcome, e.screen.Cols)
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@ -50,10 +50,10 @@ func (e *editor) drawRows(ab *buffer) {
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ab.appendRune('~')
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}
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} else {
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ab.append(string(e.rows[0].chars))
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row := truncateString(string(e.rows[y].chars), e.screen.Cols)
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ab.append(row)
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}
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ab.append(terminal.ClearLine)
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if y < (e.screen.Rows - 1) {
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@ -26,7 +26,6 @@ func New() *editor {
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screen := terminal.Size()
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cursor := &cursor { 0, 0 }
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var rows []*row
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rows = append(rows, NewRow(""))
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return &editor{screen, cursor, rows }
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}
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@ -41,13 +40,9 @@ func (e *editor) Open(filename string) {
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scanner := bufio.NewScanner(file)
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scanner.Split(bufio.ScanLines)
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var lines []string
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for scanner.Scan() {
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lines = append(lines, scanner.Text())
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e.appendRow(scanner.Text())
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}
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e.rows = append(e.rows, NewRow(lines[0]))
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}
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func (e *editor) ProcessKeypress() bool {
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@ -173,4 +168,9 @@ func parseEscapeSequence () string {
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}
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return string('\x1b')
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}
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func (e *editor) appendRow(s string) {
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newRow := NewRow(s)
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e.rows = append(e.rows, newRow)
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}
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@ -9,6 +9,10 @@ func truncateString(s string, length int) string {
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return ""
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}
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if len(s) < length {
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return s
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}
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var buf strings.Builder
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count := 0
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