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package gui
import (
"fmt"
"strings"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/commands/git_commands"
"github.com/jesseduffield/lazygit/pkg/gui/types"
"github.com/jesseduffield/lazygit/pkg/utils"
)
const HORIZONTAL_SCROLL_FACTOR = 3
// these views need to be re-rendered when the screen mode changes. The commits view,
// for example, will show authorship information in half and full screen mode.
func (gui *Gui) rerenderViewsWithScreenModeDependentContent() error {
// for now we re-render all list views.
for _, context := range gui.getListContexts() {
if err := gui.rerenderView(context.GetView()); err != nil {
return err
}
}
return nil
}
func nextIntInCycle(sl []WindowMaximisation, current WindowMaximisation) WindowMaximisation {
for i, val := range sl {
if val == current {
if i == len(sl)-1 {
return sl[0]
}
return sl[i+1]
}
}
return sl[0]
}
func prevIntInCycle(sl []WindowMaximisation, current WindowMaximisation) WindowMaximisation {
for i, val := range sl {
if val == current {
if i > 0 {
return sl[i-1]
}
return sl[len(sl)-1]
}
}
return sl[len(sl)-1]
}
func (gui *Gui) nextScreenMode() error {
gui.State.ScreenMode = nextIntInCycle([]WindowMaximisation{SCREEN_NORMAL, SCREEN_HALF, SCREEN_FULL}, gui.State.ScreenMode)
return gui.rerenderViewsWithScreenModeDependentContent()
}
func (gui *Gui) prevScreenMode() error {
gui.State.ScreenMode = prevIntInCycle([]WindowMaximisation{SCREEN_NORMAL, SCREEN_HALF, SCREEN_FULL}, gui.State.ScreenMode)
return gui.rerenderViewsWithScreenModeDependentContent()
}
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, ok := gui.viewBufferManagerMap[view.Name()]; ok {
manager.ReadLines(scrollHeight)
}
}
func (gui *Gui) scrollUpMain() error {
var view *gocui.View
if gui.c.CurrentContext().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.CurrentContext().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.getViewNameForWindow("main")
view, _ := gui.g.View(viewName)
return view
}
func (gui *Gui) secondaryView() *gocui.View {
viewName := gui.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) handleRefresh() error {
return gui.c.Refresh(types.RefreshOptions{Mode: types.ASYNC})
}
func (gui *Gui) backgroundFetch() (err error) {
err = gui.git.Sync.Fetch(git_commands.FetchOptions{Background: true})
_ = gui.c.Refresh(types.RefreshOptions{Scope: []types.RefreshableView{types.BRANCHES, types.COMMITS, types.REMOTES, types.TAGS}, Mode: types.ASYNC})
return err
}
func (gui *Gui) handleCopySelectedSideContextItemToClipboard() error {
// important to note that this assumes we've selected an item in a side context
itemId := gui.getSideContextSelectedItemId()
if itemId == "" {
return nil
}
gui.c.LogAction(gui.c.Tr.Actions.CopyToClipboard)
if err := gui.os.CopyToClipboard(itemId); err != nil {
return gui.c.Error(err)
}
truncatedItemId := utils.TruncateWithEllipsis(strings.Replace(itemId, "\n", " ", -1), 50)
gui.c.Toast(fmt.Sprintf("'%s' %s", truncatedItemId, gui.c.Tr.LcCopiedToClipboard))
return nil
}
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