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package gui
import (
"fmt"
"strings"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/utils"
)
func (gui *Gui) handleHelpPress(g *gocui.Gui, v *gocui.View) error {
lineNumber := gui.getItemPosition(v)
if len(gui.State.Keys) > lineNumber {
err := gui.handleHelpClose(g, v)
if err != nil {
return err
}
return gui.State.Keys[lineNumber].Handler(g, v)
}
return nil
}
func (gui *Gui) handleHelpSelect(g *gocui.Gui, v *gocui.View) error {
// doing nothing for now
// but it is needed for switch in newLineFocused
return nil
}
func (gui *Gui) renderHelpOptions(g *gocui.Gui) error {
optionsMap := map[string]string{
"esc/q": gui.Tr.SLocalize("close"),
"↑ ↓": gui.Tr.SLocalize("navigate"),
"space": gui.Tr.SLocalize("execute"),
}
return gui.renderOptionsMap(g, optionsMap)
}
func (gui *Gui) handleHelpClose(g *gocui.Gui, v *gocui.View) error {
// better to delete because for example after closing update confirmation panel,
// the focus isn't set back to any of panels and one is unable to even quit
//_, err := g.SetViewOnBottom(v.Name())
err := g.DeleteView("help")
if err != nil {
return err
}
return gui.returnFocus(g, v)
}
func (gui *Gui) GetKey(binding Binding) string {
r, ok := binding.Key.(rune)
key := ""
if ok {
key = string(r)
} else if binding.KeyReadable != "" {
key = binding.KeyReadable
}
return key
}
func (gui *Gui) getMaxKeyLength(bindings []Binding) int {
max := 0
for _, binding := range bindings {
keyLength := len(gui.GetKey(binding))
if keyLength > max {
max = keyLength
}
}
return max
}
func (gui *Gui) handleHelp(g *gocui.Gui, v *gocui.View) error {
// clear keys slice, so we don't have ghost elements
gui.State.Keys = gui.State.Keys[:0]
content := ""
bindings := gui.GetKeybindings()
padWidth := gui.getMaxKeyLength(bindings)
for _, binding := range bindings {
if key := gui.GetKey(binding); key != "" && binding.ViewName == v.Name() && binding.Description != "" {
content += fmt.Sprintf("%s %s\n", utils.WithPadding(key, padWidth), binding.Description)
gui.State.Keys = append(gui.State.Keys, binding)
}
}
// y1-1 so there will not be an extra space at the end of panel
x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, content)
helpView, _ := g.SetView("help", x0, y0, x1, y1-1, 0)
helpView.Title = strings.Title(gui.Tr.SLocalize("help"))
helpView.FgColor = gocui.ColorWhite
if err := gui.renderHelpOptions(g); err != nil {
return err
}
fmt.Fprint(helpView, content)
g.Update(func(g *gocui.Gui) error {
_, err := g.SetViewOnTop("help")
if err != nil {
return err
}
return gui.switchFocus(g, v, helpView)
})
return nil
}
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