2022-02-05 08:04:10 +02:00
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package controllers
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import (
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"github.com/jesseduffield/gocui"
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"github.com/jesseduffield/lazygit/pkg/gui/types"
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)
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type ListControllerFactory struct {
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2022-02-06 06:54:26 +02:00
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c *types.HelperCommon
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2022-02-05 08:04:10 +02:00
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}
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2022-02-06 06:54:26 +02:00
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func NewListControllerFactory(c *types.HelperCommon) *ListControllerFactory {
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2022-02-05 08:04:10 +02:00
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return &ListControllerFactory{
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c: c,
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}
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}
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func (self *ListControllerFactory) Create(context types.IListContext) *ListController {
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return &ListController{
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baseController: baseController{},
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c: self.c,
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context: context,
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}
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}
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type ListController struct {
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baseController
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c *types.HelperCommon
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context types.IListContext
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}
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func (self *ListController) Context() types.Context {
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return self.context
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}
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func (self *ListController) HandlePrevLine() error {
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return self.handleLineChange(-1)
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}
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func (self *ListController) HandleNextLine() error {
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return self.handleLineChange(1)
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}
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func (self *ListController) HandleScrollLeft() error {
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return self.scroll(self.context.GetViewTrait().ScrollLeft)
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}
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func (self *ListController) HandleScrollRight() error {
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return self.scroll(self.context.GetViewTrait().ScrollRight)
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}
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func (self *ListController) scroll(scrollFunc func()) error {
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scrollFunc()
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return self.context.HandleFocus()
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}
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func (self *ListController) handleLineChange(change int) error {
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before := self.context.GetList().GetSelectedLineIdx()
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self.context.GetList().MoveSelectedLine(change)
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after := self.context.GetList().GetSelectedLineIdx()
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// doing this check so that if we're holding the up key at the start of the list
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// we're not constantly re-rendering the main view.
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if before != after {
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return self.context.HandleFocus()
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}
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return nil
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}
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func (self *ListController) HandlePrevPage() error {
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return self.handleLineChange(-self.context.GetViewTrait().PageDelta())
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}
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func (self *ListController) HandleNextPage() error {
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return self.handleLineChange(self.context.GetViewTrait().PageDelta())
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}
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func (self *ListController) HandleGotoTop() error {
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return self.handleLineChange(-self.context.GetList().GetItemsLength())
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}
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func (self *ListController) HandleGotoBottom() error {
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return self.handleLineChange(self.context.GetList().GetItemsLength())
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}
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func (self *ListController) HandleClick(onClick func() error) error {
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prevSelectedLineIdx := self.context.GetList().GetSelectedLineIdx()
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// because we're handling a click, we need to determine the new line idx based
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// on the view itself.
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newSelectedLineIdx := self.context.GetViewTrait().SelectedLineIdx()
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currentContextKey := self.c.CurrentContext().GetKey()
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alreadyFocused := currentContextKey == self.context.GetKey()
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// we need to focus the view
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if !alreadyFocused {
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if err := self.c.PushContext(self.context); err != nil {
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return err
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}
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}
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if newSelectedLineIdx > self.context.GetList().GetItemsLength()-1 {
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return nil
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}
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self.context.GetList().SetSelectedLineIdx(newSelectedLineIdx)
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if prevSelectedLineIdx == newSelectedLineIdx && alreadyFocused && onClick != nil {
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return onClick()
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}
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return self.context.HandleFocus()
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}
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func (self *ListController) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
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return []*types.Binding{
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{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.PrevItemAlt), Modifier: gocui.ModNone, Handler: self.HandlePrevLine},
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{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.PrevItem), Modifier: gocui.ModNone, Handler: self.HandlePrevLine},
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{Tag: "navigation", Key: gocui.MouseWheelUp, Modifier: gocui.ModNone, Handler: self.HandlePrevLine},
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{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.NextItemAlt), Modifier: gocui.ModNone, Handler: self.HandleNextLine},
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{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.NextItem), Modifier: gocui.ModNone, Handler: self.HandleNextLine},
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{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.PrevPage), Modifier: gocui.ModNone, Handler: self.HandlePrevPage, Description: self.c.Tr.LcPrevPage},
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{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.NextPage), Modifier: gocui.ModNone, Handler: self.HandleNextPage, Description: self.c.Tr.LcNextPage},
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{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.GotoTop), Modifier: gocui.ModNone, Handler: self.HandleGotoTop, Description: self.c.Tr.LcGotoTop},
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{Key: gocui.MouseLeft, Modifier: gocui.ModNone, Handler: func() error { return self.HandleClick(nil) }},
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{Tag: "navigation", Key: gocui.MouseWheelDown, Modifier: gocui.ModNone, Handler: self.HandleNextLine},
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{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.ScrollLeft), Modifier: gocui.ModNone, Handler: self.HandleScrollLeft},
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{Tag: "navigation", Key: opts.GetKey(opts.Config.Universal.ScrollRight), Modifier: gocui.ModNone, Handler: self.HandleScrollRight},
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{
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Key: opts.GetKey(opts.Config.Universal.StartSearch),
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Handler: func() error { self.c.OpenSearch(); return nil },
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Description: self.c.Tr.LcStartSearch,
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Tag: "navigation",
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},
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{
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Key: opts.GetKey(opts.Config.Universal.GotoBottom),
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Description: self.c.Tr.LcGotoBottom,
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Handler: self.HandleGotoBottom,
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Tag: "navigation",
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},
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}
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}
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