Add search history

Add search history for filterable and searchable views.

pkg/gui/context/filtered_list_view_model.go

@@ -3,13 +3,15 @@ package context
 type FilteredListViewModel[T any] struct {
 	*FilteredList[T]
 	*ListViewModel[T]
+	*SearchHistory
 }
 
 func NewFilteredListViewModel[T any](getList func() []T, getFilterFields func(T) []string) *FilteredListViewModel[T] {
 	filteredList := NewFilteredList(getList, getFilterFields)
 
 	self := &FilteredListViewModel[T]{
-		FilteredList: filteredList,
+		FilteredList:  filteredList,
+		SearchHistory: NewSearchHistory(),
 	}
 
 	listViewModel := NewListViewModel(filteredList.GetFilteredList)

pkg/gui/context/history_trait.go

@@ -0,0 +1,20 @@
+package context
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/utils"
+)
+
+// Maintains a list of strings that have previously been searched/filtered for
+type SearchHistory struct {
+	history *utils.HistoryBuffer[string]
+}
+
+func NewSearchHistory() *SearchHistory {
+	return &SearchHistory{
+		history: utils.NewHistoryBuffer[string](1000),
+	}
+}
+
+func (self *SearchHistory) GetSearchHistory() *utils.HistoryBuffer[string] {
+	return self.history
+}

pkg/gui/context/remotes_context.go

@@ -9,6 +9,7 @@ import (
 type RemotesContext struct {
 	*FilteredListViewModel[*models.Remote]
 	*ListContextTrait
+	*SearchHistory
 }
 
 var (

pkg/gui/context/search_trait.go

@@ -9,12 +9,16 @@ import (
 
 type SearchTrait struct {
 	c *ContextCommon
+	*SearchHistory
 
 	searchString string
 }
 
 func NewSearchTrait(c *ContextCommon) *SearchTrait {
-	return &SearchTrait{c: c}
+	return &SearchTrait{
+		c:             c,
+		SearchHistory: NewSearchHistory(),
+	}
 }
 
 func (self *SearchTrait) GetSearchString() string {