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efd4298b5e
It is possible to scroll the selection out of view using the mouse wheel; after doing this, it would sometimes scroll into view by itself again, for example when a background fetch occurred. In the files panel this would even happen every 10s with every regular files refresh. Fix this by adding a scrollIntoView parameter to HandleFocus, which is false by default, and is only set to true from controllers that change the selection.
105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
package context
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import (
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"github.com/jesseduffield/gocui"
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"github.com/jesseduffield/lazygit/pkg/gui/types"
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)
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const HORIZONTAL_SCROLL_FACTOR = 3
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type ViewTrait struct {
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view *gocui.View
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}
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var _ types.IViewTrait = &ViewTrait{}
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func NewViewTrait(view *gocui.View) *ViewTrait {
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return &ViewTrait{view: view}
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}
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func (self *ViewTrait) FocusPoint(yIdx int, scrollIntoView bool) {
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self.view.FocusPoint(self.view.OriginX(), yIdx, scrollIntoView)
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}
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func (self *ViewTrait) SetRangeSelectStart(yIdx int) {
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self.view.SetRangeSelectStart(yIdx)
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}
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func (self *ViewTrait) CancelRangeSelect() {
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self.view.CancelRangeSelect()
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}
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func (self *ViewTrait) SetViewPortContent(content string) {
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_, y := self.view.Origin()
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self.view.OverwriteLines(y, content)
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}
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func (self *ViewTrait) SetViewPortContentAndClearEverythingElse(content string) {
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_, y := self.view.Origin()
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self.view.OverwriteLinesAndClearEverythingElse(y, content)
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}
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func (self *ViewTrait) SetContentLineCount(lineCount int) {
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self.view.SetContentLineCount(lineCount)
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}
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func (self *ViewTrait) SetContent(content string) {
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self.view.SetContent(content)
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}
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func (self *ViewTrait) SetHighlight(highlight bool) {
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self.view.Highlight = highlight
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self.view.HighlightInactive = false
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}
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func (self *ViewTrait) SetFooter(value string) {
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self.view.Footer = value
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}
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func (self *ViewTrait) SetOriginX(value int) {
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self.view.SetOriginX(value)
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}
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// tells us the start of line indexes shown in the view currently as well as the capacity of lines shown in the viewport.
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func (self *ViewTrait) ViewPortYBounds() (int, int) {
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_, start := self.view.Origin()
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length := self.view.InnerHeight()
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return start, length
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}
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func (self *ViewTrait) ScrollLeft() {
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self.view.ScrollLeft(self.horizontalScrollAmount())
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}
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func (self *ViewTrait) ScrollRight() {
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self.view.ScrollRight(self.horizontalScrollAmount())
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}
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func (self *ViewTrait) horizontalScrollAmount() int {
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return self.view.InnerWidth() / HORIZONTAL_SCROLL_FACTOR
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}
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func (self *ViewTrait) ScrollUp(value int) {
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self.view.ScrollUp(value)
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}
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func (self *ViewTrait) ScrollDown(value int) {
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self.view.ScrollDown(value)
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}
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// this returns the amount we'll scroll if we want to scroll by a page.
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func (self *ViewTrait) PageDelta() int {
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height := self.view.InnerHeight()
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delta := height - 1
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if delta == 0 {
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return 1
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}
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return delta
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}
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func (self *ViewTrait) SelectedLineIdx() int {
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return self.view.SelectedLineIdx()
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}
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