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package gui
import (
"fmt"
"strings"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/gui/style"
"github.com/jesseduffield/lazygit/pkg/gui/types"
"github.com/jesseduffield/lazygit/pkg/utils"
)
const HORIZONTAL_SCROLL_FACTOR = 3
func (gui *Gui) scrollUpView(view *gocui.View) {
view.ScrollUp(gui.c.UserConfig().Gui.ScrollHeight)
}
func (gui *Gui) scrollDownView(view *gocui.View) {
scrollHeight := gui.c.UserConfig().Gui.ScrollHeight
view.ScrollDown(scrollHeight)
if manager := gui.getViewBufferManagerForView(view); manager != nil {
manager.ReadLines(scrollHeight)
}
}
func (gui *Gui) scrollUpMain() error {
var view *gocui.View
if gui.c.Context().Current().GetWindowName() == "secondary" {
view = gui.secondaryView()
} else {
view = gui.mainView()
}
if view.Name() == "mergeConflicts" {
// although we have this same logic in the controller, this method can be invoked
// via the global scroll up/down keybindings, as opposed to just the mouse wheel keybinding.
// It would be nice to have a concept of a global keybinding that runs on the top context in a
// window but that might be overkill for this one use case.
gui.State.Contexts.MergeConflicts.SetUserScrolling(true)
}
gui.scrollUpView(view)
return nil
}
func (gui *Gui) scrollDownMain() error {
var view *gocui.View
if gui.c.Context().Current().GetWindowName() == "secondary" {
view = gui.secondaryView()
} else {
view = gui.mainView()
}
if view.Name() == "mergeConflicts" {
gui.State.Contexts.MergeConflicts.SetUserScrolling(true)
}
gui.scrollDownView(view)
return nil
}
func (gui *Gui) mainView() *gocui.View {
viewName := gui.helpers.Window.GetViewNameForWindow("main")
view, _ := gui.g.View(viewName)
return view
}
func (gui *Gui) secondaryView() *gocui.View {
viewName := gui.helpers.Window.GetViewNameForWindow("secondary")
view, _ := gui.g.View(viewName)
return view
}
func (gui *Gui) scrollUpSecondary() error {
gui.scrollUpView(gui.secondaryView())
return nil
}
func (gui *Gui) scrollDownSecondary() error {
secondaryView := gui.secondaryView()
gui.scrollDownView(secondaryView)
return nil
}
func (gui *Gui) scrollUpConfirmationPanel() error {
if gui.Views.Confirmation.Editable {
return nil
}
gui.scrollUpView(gui.Views.Confirmation)
return nil
}
func (gui *Gui) scrollDownConfirmationPanel() error {
if gui.Views.Confirmation.Editable {
return nil
}
gui.scrollDownView(gui.Views.Confirmation)
return nil
}
func (gui *Gui) pageUpConfirmationPanel() error {
if gui.Views.Confirmation.Editable {
return nil
}
gui.Views.Confirmation.ScrollUp(gui.Contexts().Confirmation.GetViewTrait().PageDelta())
return nil
}
func (gui *Gui) pageDownConfirmationPanel() error {
if gui.Views.Confirmation.Editable {
return nil
}
gui.Views.Confirmation.ScrollDown(gui.Contexts().Confirmation.GetViewTrait().PageDelta())
return nil
}
func (gui *Gui) goToConfirmationPanelTop() error {
if gui.Views.Confirmation.Editable {
return nil
}
gui.Views.Confirmation.ScrollUp(gui.Views.Confirmation.ViewLinesHeight())
return nil
}
func (gui *Gui) goToConfirmationPanelBottom() error {
if gui.Views.Confirmation.Editable {
return nil
}
gui.Views.Confirmation.ScrollDown(gui.Views.Confirmation.ViewLinesHeight())
return nil
}
func (gui *Gui) handleCopySelectedSideContextItemToClipboard() error {
return gui.handleCopySelectedSideContextItemToClipboardWithTruncation(-1)
}
func (gui *Gui) handleCopySelectedSideContextItemCommitHashToClipboard() error {
return gui.handleCopySelectedSideContextItemToClipboardWithTruncation(
gui.UserConfig().Git.TruncateCopiedCommitHashesTo)
}
func (gui *Gui) handleCopySelectedSideContextItemToClipboardWithTruncation(maxWidth int) error {
// important to note that this assumes we've selected an item in a side context
currentSideContext := gui.c.Context().CurrentSide()
if currentSideContext == nil {
return nil
}
listContext, ok := currentSideContext.(types.IListContext)
if !ok {
return nil
}
itemId := listContext.GetSelectedItemId()
if itemId == "" {
return nil
}
if maxWidth > 0 {
itemId = itemId[:min(len(itemId), maxWidth)]
}
gui.c.LogAction(gui.c.Tr.Actions.CopyToClipboard)
if err := gui.os.CopyToClipboard(itemId); err != nil {
return err
}
truncatedItemId := utils.TruncateWithEllipsis(strings.Replace(itemId, "\n", " ", -1), 50)
gui.c.Toast(fmt.Sprintf("'%s' %s", truncatedItemId, gui.c.Tr.CopiedToClipboard))
return nil
}
func (gui *Gui) getCopySelectedSideContextItemToClipboardDisabledReason() *types.DisabledReason {
// important to note that this assumes we've selected an item in a side context
currentSideContext := gui.c.Context().CurrentSide()
if currentSideContext == nil {
// This should never happen but if it does we'll just ignore the keypress
return nil
}
listContext, ok := currentSideContext.(types.IListContext)
if !ok {
// This should never happen but if it does we'll just ignore the keypress
return nil
}
startIdx, endIdx := listContext.GetList().GetSelectionRange()
if startIdx != endIdx {
return &types.DisabledReason{Text: gui.Tr.RangeSelectNotSupported}
}
return nil
}
func (gui *Gui) setCaption(caption string) {
gui.Views.Options.FgColor = gocui.ColorWhite
gui.Views.Options.FgColor |= gocui.AttrBold
gui.Views.Options.SetContent(captionPrefix + " " + style.FgCyan.SetBold().Sprint(caption))
gui.c.Render()
}
var captionPrefix = ""
func (gui *Gui) setCaptionPrefix(prefix string) {
gui.Views.Options.FgColor = gocui.ColorWhite
gui.Views.Options.FgColor |= gocui.AttrBold
captionPrefix = prefix
gui.Views.Options.SetContent(prefix)
gui.c.Render()
}
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