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1ea0c270df
We don't need it there so no need to enable it. I'm leaving the disabled reason checks there, even though they're now redundant, because they're only one-liners and they communicate intent.
126 lines
3.9 KiB
Go
126 lines
3.9 KiB
Go
package context
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import (
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"fmt"
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"github.com/jesseduffield/lazygit/pkg/gui/types"
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)
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type ListContextTrait struct {
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types.Context
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ListRenderer
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c *ContextCommon
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// Some contexts, like the commit context, will highlight the path from the selected commit
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// to its parents, because it's ambiguous otherwise. For these, we need to refresh the viewport
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// so that we show the highlighted path.
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// TODO: now that we allow scrolling, we should be smarter about what gets refreshed:
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// we should find out exactly which lines are now part of the path and refresh those.
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// We should also keep track of the previous path and refresh those lines too.
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refreshViewportOnChange bool
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}
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func (self *ListContextTrait) IsListContext() {}
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func (self *ListContextTrait) FocusLine() {
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// Doing this at the end of the layout function because we need the view to be
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// resized before we focus the line, otherwise if we're in accordion mode
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// the view could be squashed and won't how to adjust the cursor/origin
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self.c.AfterLayout(func() error {
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oldOrigin, _ := self.GetViewTrait().ViewPortYBounds()
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self.GetViewTrait().FocusPoint(
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self.ModelIndexToViewIndex(self.list.GetSelectedLineIdx()))
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selectRangeIndex, isSelectingRange := self.list.GetRangeStartIdx()
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if isSelectingRange {
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selectRangeIndex = self.ModelIndexToViewIndex(selectRangeIndex)
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self.GetViewTrait().SetRangeSelectStart(selectRangeIndex)
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} else {
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self.GetViewTrait().CancelRangeSelect()
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}
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// If FocusPoint() caused the view to scroll (because the selected line
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// was out of view before), we need to rerender the view port again.
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// This can happen when pressing , or . to scroll by pages, or < or > to
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// jump to the top or bottom.
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newOrigin, _ := self.GetViewTrait().ViewPortYBounds()
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if self.refreshViewportOnChange && oldOrigin != newOrigin {
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self.refreshViewport()
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}
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return nil
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})
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self.setFooter()
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if self.refreshViewportOnChange {
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self.refreshViewport()
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}
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}
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func (self *ListContextTrait) refreshViewport() {
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startIdx, length := self.GetViewTrait().ViewPortYBounds()
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content := self.renderLines(startIdx, startIdx+length)
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self.GetViewTrait().SetViewPortContent(content)
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}
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func (self *ListContextTrait) setFooter() {
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self.GetViewTrait().SetFooter(formatListFooter(self.list.GetSelectedLineIdx(), self.list.Len()))
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}
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func formatListFooter(selectedLineIdx int, length int) string {
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return fmt.Sprintf("%d of %d", selectedLineIdx+1, length)
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}
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func (self *ListContextTrait) HandleFocus(opts types.OnFocusOpts) error {
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self.FocusLine()
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self.GetViewTrait().SetHighlight(self.list.Len() > 0)
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return self.Context.HandleFocus(opts)
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}
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func (self *ListContextTrait) HandleFocusLost(opts types.OnFocusLostOpts) error {
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self.GetViewTrait().SetOriginX(0)
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if self.refreshViewportOnChange {
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self.refreshViewport()
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}
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return self.Context.HandleFocusLost(opts)
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}
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// OnFocus assumes that the content of the context has already been rendered to the view. OnRender is the function which actually renders the content to the view
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func (self *ListContextTrait) HandleRender() error {
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self.list.ClampSelection()
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content := self.renderLines(-1, -1)
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self.GetViewTrait().SetContent(content)
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self.c.Render()
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self.setFooter()
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return nil
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}
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func (self *ListContextTrait) OnSearchSelect(selectedLineIdx int) error {
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self.GetList().SetSelection(selectedLineIdx)
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return self.HandleFocus(types.OnFocusOpts{})
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}
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func (self *ListContextTrait) IsItemVisible(item types.HasUrn) bool {
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startIdx, length := self.GetViewTrait().ViewPortYBounds()
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selectionStart := self.ViewIndexToModelIndex(startIdx)
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selectionEnd := self.ViewIndexToModelIndex(startIdx + length)
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for i := selectionStart; i < selectionEnd; i++ {
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iterItem := self.GetList().GetItem(i)
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if iterItem != nil && iterItem.URN() == item.URN() {
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return true
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}
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}
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return false
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}
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// By default, list contexts supporta range select
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func (self *ListContextTrait) RangeSelectEnabled() bool {
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return true
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}
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