mirror of
https://github.com/makew0rld/amfora.git
synced 2024-12-04 14:46:29 -05:00
92 lines
2.7 KiB
Go
92 lines
2.7 KiB
Go
package display
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import (
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"strconv"
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"strings"
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"github.com/gdamore/tcell"
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"gitlab.com/tslocum/cview"
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)
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var helpCells = strings.TrimSpace(`
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?|Bring up this help.
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Esc|Leave the help
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Arrow keys, h/j/k/l|Scroll and move a page.
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Tab|Navigate to the next item in a popup.
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Shift-Tab|Navigate to the previous item in a popup.
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b, Alt-Left|Go back in the history
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f, Alt-Right|Go forward in the history
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g|Go to top of document
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G|Go to bottom of document
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spacebar|Open bar at the bottom - type a URL, link number, search term.
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|You can also type two dots (..) to go up a directory in the URL.
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|Typing new:N will open link number N in a new tab
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|instead of the current one.
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Enter, Tab|On a page this will start link highlighting.
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|Press Tab and Shift-Tab to pick different links.
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|Press Enter again to go to one, or Esc to stop.
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Shift-NUMBER|Go to a specific tab.
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Shift-0, )|Go to the last tab.
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Ctrl-H|Go home
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Ctrl-T|New tab, or if a link is selected,
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|this will open the link in a new tab.
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Ctrl-W|Close tab. For now, only the right-most tab can be closed.
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Ctrl-R, R|Reload a page, discarding the cached version.
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|This can also be used if you resize your terminal.
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Ctrl-B|View bookmarks
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Ctrl-D|Add, change, or remove a bookmark for the current page.
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Ctrl-S|Save the current page to your downloads.
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q, Ctrl-Q, Ctrl-C|Quit
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`)
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var helpTable = cview.NewTable().
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SetSelectable(false, false).
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SetBorders(false).
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SetBordersColor(tcell.ColorGray)
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// Help displays the help and keybindings.
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func Help() {
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helpTable.ScrollToBeginning()
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tabPages.SwitchToPage("help")
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App.Draw()
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}
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func helpInit() {
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// Populate help table
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helpTable.SetDoneFunc(func(key tcell.Key) {
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if key == tcell.KeyEsc {
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tabPages.SwitchToPage(strconv.Itoa(curTab))
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}
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})
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rows := strings.Count(helpCells, "\n") + 1
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cells := strings.Split(
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strings.ReplaceAll(helpCells, "\n", "|"),
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"|")
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cell := 0
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extraRows := 0 // Rows continued from the previous, without spacing
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for r := 0; r < rows; r++ {
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for c := 0; c < 2; c++ {
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var tableCell *cview.TableCell
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if c == 0 {
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// First column, the keybinding
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tableCell = cview.NewTableCell(" " + cells[cell]).
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SetAttributes(tcell.AttrBold).
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SetAlign(cview.AlignLeft)
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} else {
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tableCell = cview.NewTableCell(" " + cells[cell])
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}
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if c == 0 && cells[cell] == "" || (cell > 0 && cells[cell-1] == "" && c == 1) {
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// The keybinding column for this row was blank, meaning the explanation
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// column is continued from the previous row.
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// The row should be added without any spacing rows
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helpTable.SetCell(((2*r)-extraRows/2)-1, c, tableCell)
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extraRows++
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} else {
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helpTable.SetCell((2*r)-extraRows/2, c, tableCell) // Every other row, for readability
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}
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cell++
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}
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}
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tabPages.AddPage("help", helpTable, true, false)
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}
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