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mirror of https://github.com/jesseduffield/lazygit.git synced 2024-12-14 11:23:09 +02:00
lazygit/pkg/gui/list_view.go

213 lines
7.1 KiB
Go

package gui
import "github.com/jesseduffield/gocui"
type listView struct {
viewName string
context string
getItemsLength func() int
getSelectedLineIdxPtr func() *int
handleFocus func(g *gocui.Gui, v *gocui.View) error
handleItemSelect func(g *gocui.Gui, v *gocui.View) error
handleClickSelectedItem func(g *gocui.Gui, v *gocui.View) error
gui *Gui
rendersToMainView bool
}
func (lv *listView) handlePrevLine(g *gocui.Gui, v *gocui.View) error {
return lv.handleLineChange(-1)
}
func (lv *listView) handleNextLine(g *gocui.Gui, v *gocui.View) error {
return lv.handleLineChange(1)
}
func (lv *listView) handleLineChange(change int) error {
if !lv.gui.isPopupPanel(lv.viewName) && lv.gui.popupPanelFocused() {
return nil
}
lv.gui.changeSelectedLine(lv.getSelectedLineIdxPtr(), lv.getItemsLength(), change)
if lv.rendersToMainView {
if err := lv.gui.resetOrigin(lv.gui.getMainView()); err != nil {
return err
}
}
view, err := lv.gui.g.View(lv.viewName)
if err != nil {
return err
}
return lv.handleItemSelect(lv.gui.g, view)
}
func (lv *listView) handleNextPage(g *gocui.Gui, v *gocui.View) error {
view, err := lv.gui.g.View(lv.viewName)
if err != nil {
return nil
}
_, height := view.Size()
delta := height - 1
if delta == 0 {
delta = 1
}
return lv.handleLineChange(delta)
}
func (lv *listView) handleGotoTop(g *gocui.Gui, v *gocui.View) error {
return lv.handleLineChange(-lv.getItemsLength())
}
func (lv *listView) handleGotoBottom(g *gocui.Gui, v *gocui.View) error {
return lv.handleLineChange(lv.getItemsLength())
}
func (lv *listView) handlePrevPage(g *gocui.Gui, v *gocui.View) error {
view, err := lv.gui.g.View(lv.viewName)
if err != nil {
return nil
}
_, height := view.Size()
delta := height - 1
if delta == 0 {
delta = 1
}
return lv.handleLineChange(-delta)
}
func (lv *listView) handleClick(g *gocui.Gui, v *gocui.View) error {
if !lv.gui.isPopupPanel(lv.viewName) && lv.gui.popupPanelFocused() {
return nil
}
selectedLineIdxPtr := lv.getSelectedLineIdxPtr()
prevSelectedLineIdx := *selectedLineIdxPtr
newSelectedLineIdx := v.SelectedLineIdx()
if newSelectedLineIdx > lv.getItemsLength()-1 {
return lv.handleFocus(lv.gui.g, v)
}
*selectedLineIdxPtr = newSelectedLineIdx
if lv.rendersToMainView {
if err := lv.gui.resetOrigin(lv.gui.getMainView()); err != nil {
return err
}
}
prevViewName := lv.gui.currentViewName()
if prevSelectedLineIdx == newSelectedLineIdx && prevViewName == lv.viewName && lv.handleClickSelectedItem != nil {
return lv.handleClickSelectedItem(lv.gui.g, v)
}
return lv.handleItemSelect(lv.gui.g, v)
}
func (gui *Gui) getListViews() []*listView {
return []*listView{
{
viewName: "menu",
getItemsLength: func() int { return gui.getMenuView().LinesHeight() },
getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Menu.SelectedLine },
handleFocus: gui.handleMenuSelect,
handleItemSelect: gui.handleMenuSelect,
// need to add a layer of indirection here because the callback changes during runtime
handleClickSelectedItem: gui.wrappedHandler(func() error { return gui.State.Panels.Menu.OnPress(gui.g, nil) }),
gui: gui,
rendersToMainView: false,
},
{
viewName: "files",
getItemsLength: func() int { return len(gui.State.Files) },
getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Files.SelectedLine },
handleFocus: gui.focusAndSelectFile,
handleItemSelect: gui.focusAndSelectFile,
handleClickSelectedItem: gui.handleFilePress,
gui: gui,
rendersToMainView: true,
},
{
viewName: "branches",
context: "local-branches",
getItemsLength: func() int { return len(gui.State.Branches) },
getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Branches.SelectedLine },
handleFocus: gui.handleBranchSelect,
handleItemSelect: gui.handleBranchSelect,
gui: gui,
rendersToMainView: true,
},
{
viewName: "branches",
context: "remotes",
getItemsLength: func() int { return len(gui.State.Remotes) },
getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Remotes.SelectedLine },
handleFocus: gui.wrappedHandler(gui.renderRemotesWithSelection),
handleItemSelect: gui.handleRemoteSelect,
handleClickSelectedItem: gui.handleRemoteEnter,
gui: gui,
rendersToMainView: true,
},
{
viewName: "branches",
context: "remote-branches",
getItemsLength: func() int { return len(gui.State.RemoteBranches) },
getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.RemoteBranches.SelectedLine },
handleFocus: gui.handleRemoteBranchSelect,
handleItemSelect: gui.handleRemoteBranchSelect,
gui: gui,
rendersToMainView: true,
},
{
viewName: "branches",
context: "tags",
getItemsLength: func() int { return len(gui.State.Tags) },
getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Tags.SelectedLine },
handleFocus: gui.handleTagSelect,
handleItemSelect: gui.handleTagSelect,
gui: gui,
rendersToMainView: true,
},
{
viewName: "commits",
context: "branch-commits",
getItemsLength: func() int { return len(gui.State.Commits) },
getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Commits.SelectedLine },
handleFocus: gui.handleCommitSelect,
handleItemSelect: gui.handleCommitSelect,
handleClickSelectedItem: gui.handleSwitchToCommitFilesPanel,
gui: gui,
rendersToMainView: true,
},
{
viewName: "commits",
context: "reflog-commits",
getItemsLength: func() int { return len(gui.State.FilteredReflogCommits) },
getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.ReflogCommits.SelectedLine },
handleFocus: gui.handleReflogCommitSelect,
handleItemSelect: gui.handleReflogCommitSelect,
gui: gui,
rendersToMainView: true,
},
{
viewName: "stash",
getItemsLength: func() int { return len(gui.State.StashEntries) },
getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.Stash.SelectedLine },
handleFocus: gui.handleStashEntrySelect,
handleItemSelect: gui.handleStashEntrySelect,
gui: gui,
rendersToMainView: true,
},
{
viewName: "commitFiles",
getItemsLength: func() int { return len(gui.State.CommitFiles) },
getSelectedLineIdxPtr: func() *int { return &gui.State.Panels.CommitFiles.SelectedLine },
handleFocus: gui.handleCommitFileSelect,
handleItemSelect: gui.handleCommitFileSelect,
gui: gui,
rendersToMainView: true,
},
}
}