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lazygit/pkg/gui/arrangement.go
2020-08-23 15:11:06 +10:00

281 lines
7.0 KiB
Go

package gui
import (
"github.com/jesseduffield/lazygit/pkg/gui/boxlayout"
"github.com/jesseduffield/lazygit/pkg/utils"
)
func (gui *Gui) mainSectionChildren() []*boxlayout.Box {
currentWindow := gui.currentWindow()
// if we're not in split mode we can just show the one main panel. Likewise if
// the main panel is focused and we're in full-screen mode
if !gui.isMainPanelSplit() || (gui.State.ScreenMode == SCREEN_FULL && currentWindow == "main") {
return []*boxlayout.Box{
{
Window: "main",
Weight: 1,
},
}
}
main := "main"
secondary := "secondary"
if gui.secondaryViewFocused() {
// when you think you've focused the secondary view, we've actually just swapped them around in the layout
main, secondary = secondary, main
}
return []*boxlayout.Box{
{
Window: main,
Weight: 1,
},
{
Window: secondary,
Weight: 1,
},
}
}
func (gui *Gui) getMidSectionWeights() (int, int) {
currentWindow := gui.currentWindow()
// we originally specified this as a ratio i.e. .20 would correspond to a weight of 1 against 4
sidePanelWidthRatio := gui.Config.GetUserConfig().GetFloat64("gui.sidePanelWidth")
// we could make this better by creating ratios like 2:3 rather than always 1:something
mainSectionWeight := int(1/sidePanelWidthRatio) - 1
sideSectionWeight := 1
if gui.isMainPanelSplit() {
mainSectionWeight = 5 // need to shrink side panel to make way for main panels if side-by-side
}
if currentWindow == "main" {
if gui.State.ScreenMode == SCREEN_HALF || gui.State.ScreenMode == SCREEN_FULL {
sideSectionWeight = 0
}
} else {
if gui.State.ScreenMode == SCREEN_HALF {
mainSectionWeight = 1
} else if gui.State.ScreenMode == SCREEN_FULL {
mainSectionWeight = 0
}
}
return sideSectionWeight, mainSectionWeight
}
func (gui *Gui) infoSectionChildren(informationStr string, appStatus string) []*boxlayout.Box {
if gui.State.Searching.isSearching {
return []*boxlayout.Box{
{
Window: "searchPrefix",
Size: len(SEARCH_PREFIX),
},
{
Window: "search",
Weight: 1,
},
}
}
result := []*boxlayout.Box{}
if len(appStatus) > 0 {
result = append(result,
&boxlayout.Box{
Window: "appStatus",
Size: len(appStatus) + len(INFO_SECTION_PADDING),
},
)
}
result = append(result,
[]*boxlayout.Box{
{
Window: "options",
Weight: 1,
},
{
Window: "information",
// unlike appStatus, informationStr has various colors so we need to decolorise before taking the length
Size: len(INFO_SECTION_PADDING) + len(utils.Decolorise(informationStr)),
},
}...,
)
return result
}
func (gui *Gui) getWindowDimensions(informationStr string, appStatus string) map[string]boxlayout.Dimensions {
width, height := gui.g.Size()
sideSectionWeight, mainSectionWeight := gui.getMidSectionWeights()
sidePanelsDirection := boxlayout.COLUMN
portraitMode := width <= 84 && height > 45
if portraitMode {
sidePanelsDirection = boxlayout.ROW
}
root := &boxlayout.Box{
Direction: boxlayout.ROW,
Children: []*boxlayout.Box{
{
Direction: sidePanelsDirection,
Weight: 1,
Children: []*boxlayout.Box{
{
Direction: boxlayout.ROW,
Weight: sideSectionWeight,
ConditionalChildren: gui.sidePanelChildren,
},
{
ConditionalDirection: func(width int, height int) int {
mainPanelSplitMode := gui.Config.GetUserConfig().GetString("gui.mainPanelSplitMode")
switch mainPanelSplitMode {
case "vertical":
return boxlayout.ROW
case "horizontal":
return boxlayout.COLUMN
default:
if width < 160 && height > 30 { // 2 80 character width panels
return boxlayout.ROW
} else {
return boxlayout.COLUMN
}
}
},
Direction: boxlayout.COLUMN,
Weight: mainSectionWeight,
Children: gui.mainSectionChildren(),
},
},
},
{
Direction: boxlayout.COLUMN,
Size: 1,
Children: gui.infoSectionChildren(informationStr, appStatus),
},
},
}
return boxlayout.ArrangeWindows(root, 0, 0, width, height)
}
// The stash window by default only contains one line so that it's not hogging
// too much space, but if you access it it should take up some space. This is
// the default behaviour when accordian mode is NOT in effect. If it is in effect
// then when it's accessed it will have weight 2, not 1.
func (gui *Gui) getDefaultStashWindowBox() *boxlayout.Box {
box := &boxlayout.Box{Window: "stash"}
stashWindowAccessed := false
for _, context := range gui.State.ContextStack {
if context.GetWindowName() == "stash" {
stashWindowAccessed = true
}
}
// if the stash window is anywhere in our stack we should enlargen it
if stashWindowAccessed {
box.Weight = 1
} else {
box.Size = 3
}
return box
}
func (gui *Gui) sidePanelChildren(width int, height int) []*boxlayout.Box {
currentWindow := gui.currentSideWindowName()
if gui.State.ScreenMode == SCREEN_FULL || gui.State.ScreenMode == SCREEN_HALF {
fullHeightBox := func(window string) *boxlayout.Box {
if window == currentWindow {
return &boxlayout.Box{
Window: window,
Weight: 1,
}
} else {
return &boxlayout.Box{
Window: window,
Size: 0,
}
}
}
return []*boxlayout.Box{
fullHeightBox("status"),
fullHeightBox("files"),
fullHeightBox("branches"),
fullHeightBox("commits"),
fullHeightBox("stash"),
}
} else if height >= 28 {
accordianMode := gui.Config.GetUserConfig().GetBool("gui.expandFocusedSidePanel")
accordianBox := func(defaultBox *boxlayout.Box) *boxlayout.Box {
if accordianMode && defaultBox.Window == currentWindow {
return &boxlayout.Box{
Window: defaultBox.Window,
Weight: 2,
}
}
return defaultBox
}
return []*boxlayout.Box{
{
Window: "status",
Size: 3,
},
accordianBox(&boxlayout.Box{Window: "files", Weight: 1}),
accordianBox(&boxlayout.Box{Window: "branches", Weight: 1}),
accordianBox(&boxlayout.Box{Window: "commits", Weight: 1}),
accordianBox(gui.getDefaultStashWindowBox()),
}
} else {
squashedHeight := 1
if height >= 21 {
squashedHeight = 3
}
squashedSidePanelBox := func(window string) *boxlayout.Box {
if window == currentWindow {
return &boxlayout.Box{
Window: window,
Weight: 1,
}
} else {
return &boxlayout.Box{
Window: window,
Size: squashedHeight,
}
}
}
return []*boxlayout.Box{
squashedSidePanelBox("status"),
squashedSidePanelBox("files"),
squashedSidePanelBox("branches"),
squashedSidePanelBox("commits"),
squashedSidePanelBox("stash"),
}
}
}
func (gui *Gui) currentSideWindowName() string {
// there is always one and only one cyclable context in the context stack. We'll look from top to bottom
for idx := range gui.State.ContextStack {
reversedIdx := len(gui.State.ContextStack) - 1 - idx
context := gui.State.ContextStack[reversedIdx]
if context.GetKind() == SIDE_CONTEXT {
return context.GetWindowName()
}
}
return "files" // default
}