diff options
author | Jesse Duffield <jessedduffield@gmail.com> | 2022-02-05 17:04:10 +1100 |
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committer | Jesse Duffield <jessedduffield@gmail.com> | 2022-03-17 19:13:40 +1100 |
commit | d82f175e79f18756769d91de94458b095130297c (patch) | |
tree | 63c0c5b17a698a5a202a85b930edd0cf9e85ebf7 /pkg/gui/controllers/list_controller.go | |
parent | 145c69d9ae32ec8fbdd6d1e6116efec466a0a709 (diff) |
refactor contexts
Diffstat (limited to 'pkg/gui/controllers/list_controller.go')
-rw-r--r-- | pkg/gui/controllers/list_controller.go | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/pkg/gui/controllers/list_controller.go b/pkg/gui/controllers/list_controller.go new file mode 100644 index 000000000..8473fad83 --- /dev/null +++ b/pkg/gui/controllers/list_controller.go @@ -0,0 +1,144 @@ +package controllers + +import ( + "github.com/jesseduffield/gocui" + "github.com/jesseduffield/lazygit/pkg/gui/types" +) + +type ListControllerFactory struct { + c *types.ControllerCommon +} + +func NewListControllerFactory(c *types.ControllerCommon) *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.ControllerCommon + + 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", + }, + } +} |