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package controllers
import (
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/gui/types"
)
type ListControllerFactory struct {
c *types.HelperCommon
}
func NewListControllerFactory(c *types.HelperCommon) *ListControllerFactory {
return &ListControllerFactory{
c: c,
}
}
func (self *ListControllerFactory) Create(context types.IListContext) *ListController {
return &ListController{
baseController: baseController{},
c: self.c,
context: context,
}
}
type ListController struct {
baseController
c *types.HelperCommon
context types.IListContext
}
func (self *ListController) Context() types.Context {
return self.context
}
func (self *ListController) HandlePrevLine() error {
return self.handleLineChange(-1)
}
func (self *ListController) HandleNextLine() error {
return self.handleLineChange(1)
}
func (self *ListController) HandleScrollLeft() error {
return self.scroll(self.context.GetViewTrait().ScrollLeft)
}
func (self *ListController) HandleScrollRight() error {
return self.scroll(self.context.GetViewTrait().ScrollRight)
}
func (self *ListController) scroll(scrollFunc func()) error {
scrollFunc()
return self.context.HandleFocus()
}
func (self *ListController) handleLineChange(change int) error {
before := self.context.GetList().GetSelectedLineIdx()
self.context.GetList().MoveSelectedLine(change)
after := self.context.GetList().GetSelectedLineIdx()
// doing this check so that if we're holding the up key at the start of the list
// we're not constantly re-rendering the main view.
if before != after {
return self.context.HandleFocus()
}
return nil
}
func (self *ListController) HandlePrevPage() error {
return self.handleLineChange(-self.context.GetViewTrait().PageDelta())
}
func (self *ListController) HandleNextPage() error {
return self.handleLineChange(self.context.GetViewTrait().PageDelta())
}
func (self *ListController) HandleGotoTop() error {
return self.handleLineChange(-self.context.GetList().GetItemsLength())
}
func (self *ListController) HandleGotoBottom() error {
return self.handleLineChange(self.context.GetList().GetItemsLength())
}
func (self *ListController) HandleClick(onClick func() error) error {
prevSelectedLineIdx := self.context.GetList().GetSelectedLineIdx()
// because we're handling a click, we need to determine the new line idx based
// on the view itself.
newSelectedLineIdx := self.context.GetViewTrait().SelectedLineIdx()
currentContextKey := self.c.CurrentContext().GetKey()
alreadyFocused := currentContextKey == self.context.GetKey()
// we need to focus the view
if !alreadyFocused {
if err := self.c.PushContext(self.context); err != nil {
return err
}
}
if newSelectedLineIdx > self.context.GetList().GetItemsLength()-1 {
return nil
}
self.context.GetList().SetSelectedLineIdx(newSelectedLineIdx)
if prevSelectedLineIdx == newSelectedLineIdx && alreadyFocused && onClick != nil {
return onClick()
}
return self.context.HandleFocus()
}
func (self *ListController) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
return []*types.Binding{
{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.PrevItemAlt), Modifier: gocui.ModNone, Handler: self.HandlePrevLine},
{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.PrevItem), Modifier: gocui.ModNone, Handler: self.HandlePrevLine},
{Tag: "navigation", Key: gocui.MouseWheelUp, Modifier: gocui.ModNone, Handler: self.HandlePrevLine},
{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.NextItemAlt), Modifier: gocui.ModNone, Handler: self.HandleNextLine},
{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.NextItem), Modifier: gocui.ModNone, Handler: self.HandleNextLine},
{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.PrevPage), Modifier: gocui.ModNone, Handler: self.HandlePrevPage, Description: self.c.Tr.LcPrevPage},
{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.NextPage), Modifier: gocui.ModNone, Handler: self.HandleNextPage, Description: self.c.Tr.LcNextPage},
{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.GotoTop), Modifier: gocui.ModNone, Handler: self.HandleGotoTop, Description: self.c.Tr.LcGotoTop},
{Key: gocui.MouseLeft, Modifier: gocui.ModNone, Handler: func() error { return self.HandleClick(nil) }},
{Tag: "navigation", Key: gocui.MouseWheelDown, Modifier: gocui.ModNone, Handler: self.HandleNextLine},
{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.ScrollLeft), Modifier: gocui.ModNone, Handler: self.HandleScrollLeft},
{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.ScrollRight), Modifier: gocui.ModNone, Handler: self.HandleScrollRight},
{
Key: opts.GetKey(opts.Config.Universal.StartSearch),
Handler: func() error { self.c.OpenSearch(); return nil },
Description: self.c.Tr.LcStartSearch,
Tag: "navigation",
},
{
Key: opts.GetKey(opts.Config.Universal.GotoBottom),
Description: self.c.Tr.LcGotoBottom,
Handler: self.HandleGotoBottom,
Tag: "navigation",
},
}
}
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