package widgets import ( "image" "strings" ui "github.com/gizak/termui/v3" ) const KEYBINDS = ` Quit: q or Process navigation: - k and : up - j and : down - : half page up - : half page down - : full page up - : full page down - gg and : jump to top - G and : jump to bottom Process actions: - : toggle process grouping - dd: kill selected process or group of processes with SIGTERM (15) - d3: kill selected process or group of processes with SIGQUIT (3) - d9: kill selected process or group of processes with SIGKILL (9) Process sorting: - c: CPU - m: Mem - p: PID Process filtering: - /: start editing filter - (while editing): - : accept filter - and : clear filter CPU and Mem graph scaling: - h: scale in - l: scale out ` type HelpMenu struct { ui.Block } func NewHelpMenu() *HelpMenu { return &HelpMenu{ Block: *ui.NewBlock(), } } func (self *HelpMenu) Resize(termWidth, termHeight int) { textWidth := 53 textHeight := strings.Count(KEYBINDS, "\n") + 1 x := (termWidth - textWidth) / 2 y := (termHeight - textHeight) / 2 self.Block.SetRect(x, y, textWidth+x, textHeight+y) } func (self *HelpMenu) Draw(buf *ui.Buffer) { self.Block.Draw(buf) for y, line := range strings.Split(KEYBINDS, "\n") { for x, rune := range line { buf.SetCell( ui.NewCell(rune, ui.NewStyle(7)), image.Pt(self.Inner.Min.X+x, self.Inner.Min.Y+y-1), ) } } } func maxInt(a int, b int) int { if a > b { return a } return b }