7 // Statusline represents the information line at the bottom
9 // It gives information such as filename, whether the file has been
10 // modified, filetype, cursor location
11 type Statusline struct {
15 // Display draws the statusline to the screen
16 func (sline *Statusline) Display() {
17 // We'll draw the line at the lowest line in the view
18 y := sline.view.height
20 file := sline.view.Buf.Name
21 // If the name is empty, use 'No name'
26 // If the buffer is dirty (has been modified) write a little '+'
27 if sline.view.Buf.IsDirty() {
31 // Add one to cursor.x and cursor.y because (0,0) is the top left,
32 // but users will be used to (1,1) (first line,first column)
33 // We use GetVisualX() here because otherwise we get the column number in runes
34 // so a '\t' is only 1, when it should be tabSize
35 columnNum := strconv.Itoa(sline.view.Cursor.GetVisualX() + 1)
36 lineNum := strconv.Itoa(sline.view.Cursor.y + 1)
38 file += " (" + lineNum + "," + columnNum + ")"
41 file += " " + sline.view.Buf.Filetype
43 rightText := "Ctrl-g for help "
45 rightText = "Ctrl-g to close help "
48 statusLineStyle := defStyle.Reverse(true)
49 if style, ok := colorscheme["statusline"]; ok {
50 statusLineStyle = style
53 // Maybe there is a unicode filename?
54 fileRunes := []rune(file)
55 for x := 0; x < sline.view.width; x++ {
56 if x < len(fileRunes) {
57 screen.SetContent(x, y, fileRunes[x], nil, statusLineStyle)
58 } else if x >= sline.view.width-len(rightText) && x < len(rightText)+sline.view.width-len(rightText) {
59 screen.SetContent(x, y, []rune(rightText)[x-sline.view.width+len(rightText)], nil, statusLineStyle)
61 screen.SetContent(x, y, ' ', nil, statusLineStyle)