sysutils/lazygit
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support scrolling extras view

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This commit is contained in:
Jesse Duffield
2021-04-11 11:43:07 +10:00
parent 8969464b00
commit f2007f4d95
5 changed files with 78 additions and 32 deletions
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73
pkg/gui/global_handlers.go
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@ -68,6 +68,21 @@ func (gui *Gui) scrollUpView(view *gocui.View) error {
func (gui *Gui) scrollDownView(view *gocui.View) error {
ox, oy := view.Origin()
scrollHeight := gui.linesToScrollDown(view)
if scrollHeight > 0 {
if err := view.SetOrigin(ox, oy+scrollHeight); err != nil {
return err
}
}
if manager, ok := gui.viewBufferManagerMap[view.Name()]; ok {
manager.ReadLines(scrollHeight)
}
return nil
}
func (gui *Gui) linesToScrollDown(view *gocui.View) int {
_, oy := view.Origin()
y := oy
canScrollPastBottom := gui.Config.GetUserConfig().Gui.ScrollPastBottom
if !canScrollPastBottom {
@ -76,27 +91,29 @@ func (gui *Gui) scrollDownView(view *gocui.View) error {
}
scrollHeight := gui.Config.GetUserConfig().Gui.ScrollHeight
scrollableLines := view.ViewLinesHeight() - y
if scrollableLines > 0 {
// margin is about how many lines must still appear if you scroll
// all the way down. In practice every file ends in a newline so it will really
// just show a single line
margin := 1
if canScrollPastBottom {
margin = 2
}
if scrollableLines-margin < scrollHeight {
scrollHeight = scrollableLines - margin
}
if oy+scrollHeight >= 0 {
if err := view.SetOrigin(ox, oy+scrollHeight); err != nil {
return err
}
}
if scrollableLines < 0 {
return 0
}
if manager, ok := gui.viewBufferManagerMap[view.Name()]; ok {
manager.ReadLines(scrollHeight)
// margin is about how many lines must still appear if you scroll
// all the way down. In practice every file ends in a newline so it will really
// just show a single line
margin := 1
if canScrollPastBottom {
margin = 2
}
return nil
if scrollableLines-margin < scrollHeight {
scrollHeight = scrollableLines - margin
}
if oy+scrollHeight < 0 {
return 0
} else {
return scrollHeight
}
}
func (gui *Gui) atScrollBottom(view *gocui.View) bool {
return gui.linesToScrollDown(view) > 0
}
func (gui *Gui) scrollUpMain() error {
@ -123,6 +140,24 @@ func (gui *Gui) scrollDownSecondary() error {
return gui.scrollDownView(gui.Views.Secondary)
}
func (gui *Gui) scrollUpExtra() error {
gui.Views.Extras.Autoscroll = false
return gui.scrollUpView(gui.Views.Extras)
}
func (gui *Gui) scrollDownExtra() error {
if err := gui.scrollDownView(gui.Views.Extras); err != nil {
return err
}
if gui.atScrollBottom(gui.Views.Extras) {
gui.Views.Extras.Autoscroll = true
}
return nil
}
func (gui *Gui) scrollUpConfirmationPanel() error {
if gui.Views.Confirmation.Editable {
return nil