mirror of
https://github.com/jesseduffield/lazygit.git
synced 2025-07-30 03:23:08 +03:00
refactor how we handle layouts
This commit is contained in:
Jesse Duffield
@ -71,7 +71,204 @@ func (gui *Gui) onFocus(v *gocui.View) error {
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return nil
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}
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func (gui *Gui) getViewHeights() map[string]int {
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type dimensions struct {
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x0 int
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x1 int
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y0 int
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y1 int
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}
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func (gui *Gui) getViewDimensions() map[string]dimensions {
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// things to consider:
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// current cyclable view
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// three modes: normal, squashed, portrait
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// three fullscreen modes: regular, half, full
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// half/full ignored squashed but not portrait where the orientation is just swapped
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// height (for squashing)
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// width (for portrait mode)
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// let's start by saying squashing and portrait mode are mutuall exclusive. If you're in portrait mode and you end up in a squashed state you're pretty much fucked either way.
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// having said that, half and fullscreen mode can be combined with the other two. Fullscreen is gonna be the same across all of the options. Half mode will just be split vertically rather than horizontally for
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// need
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// we'll start assuming normal mode
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// in normal mode pick the split between the main panel and the side panels, then give every cyclablable view roughly equal height.
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// the options panel has 1 height always
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// so our views are:
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// "status"
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// "files"
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// "branches"
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// "commits"
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// "stash"
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// "main"
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// "commitFiles"
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// "secondary"
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// would be good to have a way of describing this programmatically, like with html:
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// <box>
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width, height := gui.g.Size()
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main := "main"
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secondary := "secondary"
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if gui.State.Panels.LineByLine != nil && gui.State.Panels.LineByLine.SecondaryFocused {
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main, secondary = secondary, main
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}
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mainSectionChildren := []*box{
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{
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viewName: main,
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weight: 1,
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},
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}
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if gui.State.SplitMainPanel {
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mainSectionChildren = append(mainSectionChildren, &box{
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viewName: secondary,
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weight: 1,
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})
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}
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currentCyclableViewName := gui.currentCyclableViewName()
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var sideSectionChildren []*box
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if gui.State.ScreenMode == SCREEN_FULL || gui.State.ScreenMode == SCREEN_HALF {
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fullHeightBox := func(viewName string) *box {
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if viewName == currentCyclableViewName {
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return &box{
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viewName: viewName,
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weight: 1,
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}
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} else {
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return &box{
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viewName: viewName,
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size: 0,
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}
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}
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}
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sideSectionChildren = []*box{
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fullHeightBox("status"),
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fullHeightBox("files"),
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fullHeightBox("branches"),
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fullHeightBox("commits"),
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fullHeightBox("stash"),
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}
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} else if height >= 28 {
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sideSectionChildren = []*box{
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{
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viewName: "status",
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size: 3,
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},
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{
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viewName: "files",
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weight: 1,
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},
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{
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viewName: "branches",
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weight: 1,
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},
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{
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viewName: "commits",
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weight: 1,
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},
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{
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viewName: "stash",
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size: 3,
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},
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}
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} else {
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squashedHeight := 1
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if height >= 21 {
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squashedHeight = 3
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}
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squashedSidePanelBox := func(viewName string) *box {
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if viewName == currentCyclableViewName {
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return &box{
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viewName: viewName,
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weight: 1,
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}
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} else {
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return &box{
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viewName: viewName,
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size: squashedHeight,
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}
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}
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}
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sideSectionChildren = []*box{
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squashedSidePanelBox("status"),
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squashedSidePanelBox("files"),
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squashedSidePanelBox("branches"),
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squashedSidePanelBox("commits"),
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squashedSidePanelBox("stash"),
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}
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}
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// we originally specified this as a ratio i.e. .20 would correspond to a weight of 1 against 4
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sidePanelWidthRatio := gui.Config.GetUserConfig().GetFloat64("gui.sidePanelWidth")
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// we could make this better by creating ratios like 2:3 rather than always 1:something
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mainSectionWeight := int(1/sidePanelWidthRatio) - 1
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sideSectionWeight := 1
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if gui.State.SplitMainPanel {
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mainSectionWeight = 5 // need to shrink side panel to make way for main panels if side-by-side
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}
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currentViewName := gui.currentViewName()
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if currentViewName == "main" {
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if gui.State.ScreenMode == SCREEN_HALF || gui.State.ScreenMode == SCREEN_FULL {
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sideSectionWeight = 0
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}
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} else {
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if gui.State.ScreenMode == SCREEN_HALF {
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mainSectionWeight = 1
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} else if gui.State.ScreenMode == SCREEN_FULL {
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mainSectionWeight = 0
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}
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}
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root := &box{
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direction: ROW,
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children: []*box{
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{
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direction: COLUMN,
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weight: 1,
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children: []*box{
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{
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direction: ROW,
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weight: sideSectionWeight,
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children: sideSectionChildren,
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},
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{
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conditionalDirection: func(width int, _height int) int {
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if width < 160 && height > 30 { // 2 80 character width panels
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return ROW
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} else {
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return COLUMN
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}
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},
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direction: COLUMN,
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weight: mainSectionWeight,
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children: mainSectionChildren,
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},
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},
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},
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// TODO: actually handle options here. Currently we're just hard-coding it to be set on the bottom row in our layout function given that we need some custom logic to have it share space with other views on that row.
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{
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viewName: "options",
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size: 1,
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},
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},
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}
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return gui.layoutViews(root, 0, 0, width, height)
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}
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func (gui *Gui) currentCyclableViewName() string {
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currView := gui.g.CurrentView()
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currentCyclebleView := gui.State.PreviousView
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if currView != nil {
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@ -91,53 +288,10 @@ func (gui *Gui) getViewHeights() map[string]int {
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// unfortunate result of the fact that these are separate views, have to map explicitly
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if currentCyclebleView == "commitFiles" {
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currentCyclebleView = "commits"
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return "commits"
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}
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_, height := gui.g.Size()
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if gui.State.ScreenMode == SCREEN_FULL || gui.State.ScreenMode == SCREEN_HALF {
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vHeights := map[string]int{
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"status": 0,
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"files": 0,
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"branches": 0,
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"commits": 0,
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"stash": 0,
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"options": 0,
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}
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vHeights[currentCyclebleView] = height - 1
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return vHeights
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}
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usableSpace := height - 7
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extraSpace := usableSpace - (usableSpace/3)*3
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if height >= 28 {
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return map[string]int{
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"status": 3,
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"files": (usableSpace / 3) + extraSpace,
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"branches": usableSpace / 3,
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"commits": usableSpace / 3,
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"stash": 3,
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"options": 1,
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}
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}
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defaultHeight := 3
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if height < 21 {
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defaultHeight = 1
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}
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vHeights := map[string]int{
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"status": defaultHeight,
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"files": defaultHeight,
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"branches": defaultHeight,
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"commits": defaultHeight,
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"stash": defaultHeight,
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"options": defaultHeight,
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}
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vHeights[currentCyclebleView] = height - defaultHeight*4 - 1
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return vHeights
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return currentCyclebleView
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}
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// layout is called for every screen re-render e.g. when the screen is resized
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@ -173,7 +327,7 @@ func (gui *Gui) layout(g *gocui.Gui) error {
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return nil
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}
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vHeights := gui.getViewHeights()
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viewDimensions := gui.getViewDimensions()
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optionsVersionBoundary := width - max(len(utils.Decolorise(information)), 1)
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@ -186,62 +340,14 @@ func (gui *Gui) layout(g *gocui.Gui) error {
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_, _ = g.SetViewOnBottom("limit")
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_ = g.DeleteView("limit")
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sidePanelWidthRatio := gui.Config.GetUserConfig().GetFloat64("gui.sidePanelWidth")
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textColor := theme.GocuiDefaultTextColor
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var leftSideWidth int
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switch gui.State.ScreenMode {
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case SCREEN_NORMAL:
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leftSideWidth = int(float64(width) * sidePanelWidthRatio)
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case SCREEN_HALF:
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leftSideWidth = width/2 - 2
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case SCREEN_FULL:
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currentView := gui.g.CurrentView()
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if currentView != nil && currentView.Name() == "main" {
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leftSideWidth = 0
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} else {
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leftSideWidth = width - 1
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}
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}
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mainPanelLeft := leftSideWidth + 1
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mainPanelRight := width - 1
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secondaryPanelLeft := width - 1
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secondaryPanelTop := 0
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mainPanelBottom := height - 2
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if gui.State.SplitMainPanel {
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if gui.State.ScreenMode == SCREEN_FULL {
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mainPanelLeft = 0
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panelSplitX := width/2 - 4
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mainPanelRight = panelSplitX
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secondaryPanelLeft = panelSplitX + 1
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} else if width < 220 {
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mainPanelBottom = height/2 - 1
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secondaryPanelTop = mainPanelBottom + 1
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secondaryPanelLeft = leftSideWidth + 1
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} else {
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units := 5
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leftSideWidth = width / units
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mainPanelLeft = leftSideWidth + 1
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panelSplitX := (1 + ((units - 1) / 2)) * width / units
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mainPanelRight = panelSplitX
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secondaryPanelLeft = panelSplitX + 1
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}
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}
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main := "main"
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secondary := "secondary"
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swappingMainPanels := gui.State.Panels.LineByLine != nil && gui.State.Panels.LineByLine.SecondaryFocused
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if swappingMainPanels {
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main = "secondary"
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secondary = "main"
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}
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// reading more lines into main view buffers upon resize
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prevMainView, err := gui.g.View("main")
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if err == nil {
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_, prevMainHeight := prevMainView.Size()
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heightDiff := mainPanelBottom - prevMainHeight - 1
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newMainHeight := viewDimensions["main"].y1 - viewDimensions["main"].y0 - 1
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heightDiff := newMainHeight - prevMainHeight
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if heightDiff > 0 {
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if manager, ok := gui.viewBufferManagerMap["main"]; ok {
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manager.ReadLines(heightDiff)
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@ -252,7 +358,19 @@ func (gui *Gui) layout(g *gocui.Gui) error {
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}
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}
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v, err := g.SetView(main, mainPanelLeft, 0, mainPanelRight, mainPanelBottom, gocui.LEFT)
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setViewFromDimensions := func(viewName string, boxName string) (*gocui.View, error) {
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dimensionsObj := viewDimensions[boxName]
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return g.SetView(
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viewName,
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dimensionsObj.x0,
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dimensionsObj.y0,
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dimensionsObj.x1,
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dimensionsObj.y1,
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0,
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)
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}
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v, err := setViewFromDimensions("main", "main")
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if err != nil {
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if err.Error() != "unknown view" {
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return err
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@ -263,24 +381,20 @@ func (gui *Gui) layout(g *gocui.Gui) error {
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v.IgnoreCarriageReturns = true
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}
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hiddenViewOffset := 9999
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hiddenSecondaryPanelOffset := 0
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if !gui.State.SplitMainPanel {
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hiddenSecondaryPanelOffset = hiddenViewOffset
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}
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secondaryView, err := g.SetView(secondary, secondaryPanelLeft+hiddenSecondaryPanelOffset, hiddenSecondaryPanelOffset+secondaryPanelTop, width-1+hiddenSecondaryPanelOffset, height-2+hiddenSecondaryPanelOffset, gocui.LEFT)
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secondaryView, err := setViewFromDimensions("secondary", "secondary")
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if err != nil {
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if err.Error() != "unknown view" {
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return err
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}
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secondaryView.Title = gui.Tr.SLocalize("DiffTitle")
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secondaryView.Wrap = true
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secondaryView.FgColor = gocui.ColorWhite
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secondaryView.FgColor = textColor
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secondaryView.IgnoreCarriageReturns = true
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}
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if v, err := g.SetView("status", 0, 0, leftSideWidth, vHeights["status"]-1, gocui.BOTTOM|gocui.RIGHT); err != nil {
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hiddenViewOffset := 9999
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if v, err := setViewFromDimensions("status", "status"); err != nil {
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if err.Error() != "unknown view" {
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return err
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}
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@ -288,7 +402,7 @@ func (gui *Gui) layout(g *gocui.Gui) error {
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v.FgColor = textColor
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}
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filesView, err := g.SetViewBeneath("files", "status", vHeights["files"])
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filesView, err := setViewFromDimensions("files", "files")
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if err != nil {
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if err.Error() != "unknown view" {
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return err
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@ -299,7 +413,7 @@ func (gui *Gui) layout(g *gocui.Gui) error {
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filesView.ContainsList = true
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}
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branchesView, err := g.SetViewBeneath("branches", "files", vHeights["branches"])
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branchesView, err := setViewFromDimensions("branches", "branches")
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if err != nil {
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if err.Error() != "unknown view" {
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return err
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@ -311,7 +425,7 @@ func (gui *Gui) layout(g *gocui.Gui) error {
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branchesView.ContainsList = true
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}
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commitFilesView, err := g.SetViewBeneath("commitFiles", "branches", vHeights["commits"])
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commitFilesView, err := setViewFromDimensions("commitFiles", "commits")
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if err != nil {
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if err.Error() != "unknown view" {
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return err
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@ -322,7 +436,7 @@ func (gui *Gui) layout(g *gocui.Gui) error {
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commitFilesView.ContainsList = true
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}
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commitsView, err := g.SetViewBeneath("commits", "branches", vHeights["commits"])
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commitsView, err := setViewFromDimensions("commits", "commits")
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if err != nil {
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if err.Error() != "unknown view" {
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return err
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@ -334,7 +448,7 @@ func (gui *Gui) layout(g *gocui.Gui) error {
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commitsView.ContainsList = true
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}
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stashView, err := g.SetViewBeneath("stash", "commits", vHeights["stash"])
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stashView, err := setViewFromDimensions("stash", "stash")
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if err != nil {
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if err.Error() != "unknown view" {
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return err
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Block a user