Allow filtering for keybindings by prepending filter string with '@'

pkg/gui/context/menu_context.go

@@ -2,6 +2,7 @@ package context
 
 import (
 	"errors"
+	"strings"
 
 	"github.com/jesseduffield/lazygit/pkg/gui/keybindings"
 	"github.com/jesseduffield/lazygit/pkg/gui/style"
@@ -48,11 +49,12 @@ func NewMenuContext(
 }
 
 type MenuViewModel struct {
-	c               *ContextCommon
-	menuItems       []*types.MenuItem
-	prompt          string
-	promptLines     []string
-	columnAlignment []utils.Alignment
+	c                         *ContextCommon
+	menuItems                 []*types.MenuItem
+	prompt                    string
+	promptLines               []string
+	columnAlignment           []utils.Alignment
+	allowFilteringKeybindings bool
 	*FilteredListViewModel[*types.MenuItem]
 }
 
@@ -62,11 +64,29 @@ func NewMenuViewModel(c *ContextCommon) *MenuViewModel {
 		c:         c,
 	}
 
+	filterKeybindings := false
+
 	self.FilteredListViewModel = NewFilteredListViewModel(
 		func() []*types.MenuItem { return self.menuItems },
-		func(item *types.MenuItem) []string { return item.LabelColumns },
+		func(item *types.MenuItem) []string {
+			if filterKeybindings {
+				return []string{keybindings.LabelFromKey(item.Key)}
+			}
+
+			return item.LabelColumns
+		},
 	)
 
+	self.FilteredListViewModel.SetPreprocessFilterFunc(func(filter string) string {
+		if self.allowFilteringKeybindings && strings.HasPrefix(filter, "@") {
+			filterKeybindings = true
+			return filter[1:]
+		}
+
+		filterKeybindings = false
+		return filter
+	})
+
 	return self
 }
 
@@ -92,6 +112,10 @@ func (self *MenuViewModel) SetPromptLines(promptLines []string) {
 	self.promptLines = promptLines
 }
 
+func (self *MenuViewModel) SetAllowFilteringKeybindings(allow bool) {
+	self.allowFilteringKeybindings = allow
+}
+
 // TODO: move into presentation package
 func (self *MenuViewModel) GetDisplayStrings(_ int, _ int) [][]string {
 	menuItems := self.FilteredListViewModel.GetItems()

pkg/gui/controllers/options_menu_action.go

@@ -46,10 +46,11 @@ func (self *OptionsMenuAction) Call() error {
 	appendBindings(navigation, &types.MenuSection{Title: self.c.Tr.KeybindingsMenuSectionNavigation, Column: 1})
 
 	return self.c.Menu(types.CreateMenuOptions{
-		Title:           self.c.Tr.Keybindings,
-		Items:           menuItems,
-		HideCancel:      true,
-		ColumnAlignment: []utils.Alignment{utils.AlignRight, utils.AlignLeft},
+		Title:                     self.c.Tr.Keybindings,
+		Items:                     menuItems,
+		HideCancel:                true,
+		ColumnAlignment:           []utils.Alignment{utils.AlignRight, utils.AlignLeft},
+		AllowFilteringKeybindings: true,
 	})
 }
 

pkg/gui/menu_panel.go

@@ -43,6 +43,7 @@ func (gui *Gui) createMenu(opts types.CreateMenuOptions) error {
 
 	gui.State.Contexts.Menu.SetMenuItems(opts.Items, opts.ColumnAlignment)
 	gui.State.Contexts.Menu.SetPrompt(opts.Prompt)
+	gui.State.Contexts.Menu.SetAllowFilteringKeybindings(opts.AllowFilteringKeybindings)
 	gui.State.Contexts.Menu.SetSelection(0)
 
 	gui.Views.Menu.Title = opts.Title

pkg/gui/types/common.go

@@ -147,11 +147,12 @@ const (
 )
 
 type CreateMenuOptions struct {
-	Title           string
-	Prompt          string // a message that will be displayed above the menu options
-	Items           []*MenuItem
-	HideCancel      bool
-	ColumnAlignment []utils.Alignment
+	Title                     string
+	Prompt                    string // a message that will be displayed above the menu options
+	Items                     []*MenuItem
+	HideCancel                bool
+	ColumnAlignment           []utils.Alignment
+	AllowFilteringKeybindings bool
 }
 
 type CreatePopupPanelOpts struct {

pkg/integration/tests/filter_and_search/filter_menu_by_keybinding.go

@@ -0,0 +1,38 @@
+package filter_and_search
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var FilterMenuByKeybinding = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Filtering the keybindings menu by keybinding",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Files().
+			Press(keys.Universal.OptionMenu).
+			Tap(func() {
+				t.ExpectPopup().Menu().
+					Title(Equals("Keybindings")).
+					Filter("@+").
+					Lines(
+						// menu has filtered down to the one item that matches the filter
+						Contains("--- Global ---"),
+						Contains("+ Next screen mode").IsSelected(),
+					).
+					Confirm()
+			}).
+
+			// Upon opening the menu again, the filter should have been reset
+			Press(keys.Universal.OptionMenu).
+			Tap(func() {
+				t.ExpectPopup().Menu().
+					Title(Equals("Keybindings")).
+					LineCount(GreaterThan(1))
+			})
+	},
+})

pkg/integration/tests/test_list.go

@@ -220,6 +220,7 @@ var tests = []*components.IntegrationTest{
 	filter_and_search.FilterFiles,
 	filter_and_search.FilterFuzzy,
 	filter_and_search.FilterMenu,
+	filter_and_search.FilterMenuByKeybinding,
 	filter_and_search.FilterMenuCancelFilterWithEscape,
 	filter_and_search.FilterMenuWithNoKeybindings,
 	filter_and_search.FilterRemoteBranches,