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fb980bb695
Set the `fastdirty` option flag to off if you really want accurate reporting on whether the buffer is modified. This is more resource intensive but it can be useful for people who don't mind. Closes #787 Closes #467
71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
package main
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import (
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"strconv"
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)
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// Statusline represents the information line at the bottom
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// of each view
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// It gives information such as filename, whether the file has been
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// modified, filetype, cursor location
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type Statusline struct {
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view *View
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}
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// Display draws the statusline to the screen
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func (sline *Statusline) Display() {
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// We'll draw the line at the lowest line in the view
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y := sline.view.Height + sline.view.y
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file := sline.view.Buf.GetName()
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// If the buffer is dirty (has been modified) write a little '+'
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if sline.view.Buf.Modified() {
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file += " +"
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}
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// Add one to cursor.x and cursor.y because (0,0) is the top left,
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// but users will be used to (1,1) (first line,first column)
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// We use GetVisualX() here because otherwise we get the column number in runes
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// so a '\t' is only 1, when it should be tabSize
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columnNum := strconv.Itoa(sline.view.Cursor.GetVisualX() + 1)
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lineNum := strconv.Itoa(sline.view.Cursor.Y + 1)
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file += " (" + lineNum + "," + columnNum + ")"
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// Add the filetype
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file += " " + sline.view.Buf.FileType()
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file += " " + sline.view.Buf.Settings["fileformat"].(string)
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rightText := ""
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if len(helpBinding) > 0 {
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rightText = helpBinding + " for help "
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if sline.view.Type == vtHelp {
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rightText = helpBinding + " to close help "
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}
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}
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statusLineStyle := defStyle.Reverse(true)
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if style, ok := colorscheme["statusline"]; ok {
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statusLineStyle = style
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}
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// Maybe there is a unicode filename?
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fileRunes := []rune(file)
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viewX := sline.view.x
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if viewX != 0 {
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screen.SetContent(viewX, y, ' ', nil, statusLineStyle)
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viewX++
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}
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for x := 0; x < sline.view.Width; x++ {
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if x < len(fileRunes) {
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screen.SetContent(viewX+x, y, fileRunes[x], nil, statusLineStyle)
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} else if x >= sline.view.Width-len(rightText) && x < len(rightText)+sline.view.Width-len(rightText) {
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screen.SetContent(viewX+x, y, []rune(rightText)[x-sline.view.Width+len(rightText)], nil, statusLineStyle)
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} else {
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screen.SetContent(viewX+x, y, ' ', nil, statusLineStyle)
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}
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}
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}
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