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mirror of https://github.com/jesseduffield/lazygit.git synced 2024-12-14 11:23:09 +02:00
lazygit/pkg/gui/controllers/helpers/confirmation_helper.go
Jesse Duffield ec7e9f9228 Fix confirmation view sizing
The proper fix is to actually have these two functions share code,
or for views to be able to manage their own heights based on their contents.

But I want to get this out for the sake of a Lazygit Anniversary release.
2023-08-05 16:09:02 +10:00

385 lines
12 KiB
Go

package helpers
import (
goContext "context"
"fmt"
"strings"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/gui/style"
"github.com/jesseduffield/lazygit/pkg/gui/types"
"github.com/jesseduffield/lazygit/pkg/theme"
"github.com/mattn/go-runewidth"
)
type ConfirmationHelper struct {
c *HelperCommon
}
func NewConfirmationHelper(c *HelperCommon) *ConfirmationHelper {
return &ConfirmationHelper{
c: c,
}
}
// This file is for the rendering of confirmation panels along with setting and handling associated
// keybindings.
func (self *ConfirmationHelper) wrappedConfirmationFunction(cancel goContext.CancelFunc, function func() error) func() error {
return func() error {
cancel()
if err := self.c.PopContext(); err != nil {
return err
}
if function != nil {
if err := function(); err != nil {
return self.c.Error(err)
}
}
return nil
}
}
func (self *ConfirmationHelper) wrappedPromptConfirmationFunction(cancel goContext.CancelFunc, function func(string) error, getResponse func() string) func() error {
return self.wrappedConfirmationFunction(cancel, func() error {
return function(getResponse())
})
}
func (self *ConfirmationHelper) DeactivateConfirmationPrompt() {
self.c.Mutexes().PopupMutex.Lock()
self.c.State().GetRepoState().SetCurrentPopupOpts(nil)
self.c.Mutexes().PopupMutex.Unlock()
self.c.Views().Confirmation.Visible = false
self.c.Views().Suggestions.Visible = false
self.clearConfirmationViewKeyBindings()
}
// Temporary hack: we're just duplicating the logic in `gocui.lineWrap`
func getMessageHeight(wrap bool, message string, width int) int {
if !wrap {
return len(strings.Split(message, "\n"))
}
lineCount := 0
lines := strings.Split(message, "\n")
for _, line := range lines {
n := 0
lastWhitespaceIndex := -1
for i, currChr := range line {
rw := runewidth.RuneWidth(currChr)
n += rw
if n > width {
if currChr == ' ' {
n = 0
} else if currChr == '-' {
n = rw
} else if lastWhitespaceIndex != -1 && lastWhitespaceIndex+1 != i {
if line[lastWhitespaceIndex] == '-' {
n = i - lastWhitespaceIndex
} else {
n = i - lastWhitespaceIndex + 1
}
} else {
n = rw
}
lineCount++
lastWhitespaceIndex = -1
} else if currChr == ' ' || currChr == '-' {
lastWhitespaceIndex = i
}
}
lineCount++
}
return lineCount
}
func (self *ConfirmationHelper) getPopupPanelDimensions(wrap bool, prompt string) (int, int, int, int) {
panelWidth := self.getPopupPanelWidth()
panelHeight := getMessageHeight(wrap, prompt, panelWidth)
return self.getPopupPanelDimensionsAux(panelWidth, panelHeight)
}
func (self *ConfirmationHelper) getPopupPanelDimensionsForContentHeight(panelWidth, contentHeight int) (int, int, int, int) {
return self.getPopupPanelDimensionsAux(panelWidth, contentHeight)
}
func (self *ConfirmationHelper) getPopupPanelDimensionsAux(panelWidth int, panelHeight int) (int, int, int, int) {
width, height := self.c.GocuiGui().Size()
if panelHeight > height*3/4 {
panelHeight = height * 3 / 4
}
return width/2 - panelWidth/2,
height/2 - panelHeight/2 - panelHeight%2 - 1,
width/2 + panelWidth/2,
height/2 + panelHeight/2
}
func (self *ConfirmationHelper) getPopupPanelWidth() int {
width, _ := self.c.GocuiGui().Size()
// we want a minimum width up to a point, then we do it based on ratio.
panelWidth := 4 * width / 7
minWidth := 80
if panelWidth < minWidth {
if width-2 < minWidth {
panelWidth = width - 2
} else {
panelWidth = minWidth
}
}
return panelWidth
}
func (self *ConfirmationHelper) prepareConfirmationPanel(
ctx goContext.Context,
opts types.ConfirmOpts,
) error {
self.c.Views().Confirmation.HasLoader = opts.HasLoader
if opts.HasLoader {
self.c.GocuiGui().StartTicking(ctx)
}
self.c.Views().Confirmation.Title = opts.Title
// for now we do not support wrapping in our editor
self.c.Views().Confirmation.Wrap = !opts.Editable
self.c.Views().Confirmation.FgColor = theme.GocuiDefaultTextColor
self.c.Views().Confirmation.Mask = runeForMask(opts.Mask)
_ = self.c.Views().Confirmation.SetOrigin(0, 0)
suggestionsContext := self.c.Contexts().Suggestions
suggestionsContext.State.FindSuggestions = opts.FindSuggestionsFunc
if opts.FindSuggestionsFunc != nil {
suggestionsView := self.c.Views().Suggestions
suggestionsView.Wrap = false
suggestionsView.FgColor = theme.GocuiDefaultTextColor
suggestionsContext.SetSuggestions(opts.FindSuggestionsFunc(""))
suggestionsView.Visible = true
suggestionsView.Title = fmt.Sprintf(self.c.Tr.SuggestionsTitle, self.c.UserConfig.Keybinding.Universal.TogglePanel)
}
self.ResizeConfirmationPanel()
return nil
}
func runeForMask(mask bool) rune {
if mask {
return '*'
}
return 0
}
func (self *ConfirmationHelper) CreatePopupPanel(ctx goContext.Context, opts types.CreatePopupPanelOpts) error {
self.c.Mutexes().PopupMutex.Lock()
defer self.c.Mutexes().PopupMutex.Unlock()
ctx, cancel := goContext.WithCancel(ctx)
// we don't allow interruptions of non-loader popups in case we get stuck somehow
// e.g. a credentials popup never gets its required user input so a process hangs
// forever.
// The proper solution is to have a queue of popup options
currentPopupOpts := self.c.State().GetRepoState().GetCurrentPopupOpts()
if currentPopupOpts != nil && !currentPopupOpts.HasLoader {
self.c.Log.Error("ignoring create popup panel because a popup panel is already open")
cancel()
return nil
}
// remove any previous keybindings
self.clearConfirmationViewKeyBindings()
err := self.prepareConfirmationPanel(
ctx,
types.ConfirmOpts{
Title: opts.Title,
Prompt: opts.Prompt,
HasLoader: opts.HasLoader,
FindSuggestionsFunc: opts.FindSuggestionsFunc,
Editable: opts.Editable,
Mask: opts.Mask,
})
if err != nil {
cancel()
return err
}
confirmationView := self.c.Views().Confirmation
confirmationView.Editable = opts.Editable
if opts.Editable {
textArea := confirmationView.TextArea
textArea.Clear()
textArea.TypeString(opts.Prompt)
self.ResizeConfirmationPanel()
confirmationView.RenderTextArea()
} else {
self.c.ResetViewOrigin(confirmationView)
self.c.SetViewContent(confirmationView, style.AttrBold.Sprint(opts.Prompt))
}
if err := self.setKeyBindings(cancel, opts); err != nil {
cancel()
return err
}
self.c.State().GetRepoState().SetCurrentPopupOpts(&opts)
return self.c.PushContext(self.c.Contexts().Confirmation)
}
func (self *ConfirmationHelper) setKeyBindings(cancel goContext.CancelFunc, opts types.CreatePopupPanelOpts) error {
var onConfirm func() error
if opts.HandleConfirmPrompt != nil {
onConfirm = self.wrappedPromptConfirmationFunction(cancel, opts.HandleConfirmPrompt, func() string { return self.c.Views().Confirmation.TextArea.GetContent() })
} else {
onConfirm = self.wrappedConfirmationFunction(cancel, opts.HandleConfirm)
}
onSuggestionConfirm := self.wrappedPromptConfirmationFunction(
cancel,
opts.HandleConfirmPrompt,
self.getSelectedSuggestionValue,
)
onClose := self.wrappedConfirmationFunction(cancel, opts.HandleClose)
self.c.Contexts().Confirmation.State.OnConfirm = onConfirm
self.c.Contexts().Confirmation.State.OnClose = onClose
self.c.Contexts().Suggestions.State.OnConfirm = onSuggestionConfirm
self.c.Contexts().Suggestions.State.OnClose = onClose
return nil
}
func (self *ConfirmationHelper) clearConfirmationViewKeyBindings() {
noop := func() error { return nil }
self.c.Contexts().Confirmation.State.OnConfirm = noop
self.c.Contexts().Confirmation.State.OnClose = noop
self.c.Contexts().Suggestions.State.OnConfirm = noop
self.c.Contexts().Suggestions.State.OnClose = noop
}
func (self *ConfirmationHelper) getSelectedSuggestionValue() string {
selectedSuggestion := self.c.Contexts().Suggestions.GetSelected()
if selectedSuggestion != nil {
return selectedSuggestion.Value
}
return ""
}
func (self *ConfirmationHelper) ResizeConfirmationPanel() {
suggestionsViewHeight := 0
if self.c.Views().Suggestions.Visible {
suggestionsViewHeight = 11
}
panelWidth := self.getPopupPanelWidth()
prompt := self.c.Views().Confirmation.Buffer()
wrap := true
if self.c.Views().Confirmation.Editable {
prompt = self.c.Views().Confirmation.TextArea.GetContent()
wrap = false
}
panelHeight := getMessageHeight(wrap, prompt, panelWidth) + suggestionsViewHeight
x0, y0, x1, y1 := self.getPopupPanelDimensionsAux(panelWidth, panelHeight)
confirmationViewBottom := y1 - suggestionsViewHeight
_, _ = self.c.GocuiGui().SetView(self.c.Views().Confirmation.Name(), x0, y0, x1, confirmationViewBottom, 0)
suggestionsViewTop := confirmationViewBottom + 1
_, _ = self.c.GocuiGui().SetView(self.c.Views().Suggestions.Name(), x0, suggestionsViewTop, x1, suggestionsViewTop+suggestionsViewHeight, 0)
}
func (self *ConfirmationHelper) ResizeCurrentPopupPanel() error {
c := self.c.CurrentContext()
switch c {
case self.c.Contexts().Menu:
self.resizeMenu()
case self.c.Contexts().Confirmation, self.c.Contexts().Suggestions:
self.resizeConfirmationPanel()
case self.c.Contexts().CommitMessage, self.c.Contexts().CommitDescription:
self.ResizeCommitMessagePanels()
}
return nil
}
func (self *ConfirmationHelper) ResizePopupPanel(v *gocui.View, content string) error {
x0, y0, x1, y1 := self.getPopupPanelDimensions(v.Wrap, content)
_, err := self.c.GocuiGui().SetView(v.Name(), x0, y0, x1, y1, 0)
return err
}
func (self *ConfirmationHelper) resizeMenu() {
// we want the unfiltered length here so that if we're filtering we don't
// resize the window
itemCount := self.c.Contexts().Menu.UnfilteredLen()
offset := 3
panelWidth := self.getPopupPanelWidth()
x0, y0, x1, y1 := self.getPopupPanelDimensionsForContentHeight(panelWidth, itemCount+offset)
menuBottom := y1 - offset
_, _ = self.c.GocuiGui().SetView(self.c.Views().Menu.Name(), x0, y0, x1, menuBottom, 0)
tooltipTop := menuBottom + 1
tooltip := ""
selectedItem := self.c.Contexts().Menu.GetSelected()
if selectedItem != nil {
tooltip = selectedItem.Tooltip
}
tooltipHeight := getMessageHeight(true, tooltip, panelWidth) + 2 // plus 2 for the frame
_, _ = self.c.GocuiGui().SetView(self.c.Views().Tooltip.Name(), x0, tooltipTop, x1, tooltipTop+tooltipHeight-1, 0)
}
func (self *ConfirmationHelper) resizeConfirmationPanel() {
suggestionsViewHeight := 0
if self.c.Views().Suggestions.Visible {
suggestionsViewHeight = 11
}
panelWidth := self.getPopupPanelWidth()
prompt := self.c.Views().Confirmation.Buffer()
wrap := true
if self.c.Views().Confirmation.Editable {
prompt = self.c.Views().Confirmation.TextArea.GetContent()
wrap = false
}
panelHeight := getMessageHeight(wrap, prompt, panelWidth) + suggestionsViewHeight
x0, y0, x1, y1 := self.getPopupPanelDimensionsAux(panelWidth, panelHeight)
confirmationViewBottom := y1 - suggestionsViewHeight
_, _ = self.c.GocuiGui().SetView(self.c.Views().Confirmation.Name(), x0, y0, x1, confirmationViewBottom, 0)
suggestionsViewTop := confirmationViewBottom + 1
_, _ = self.c.GocuiGui().SetView(self.c.Views().Suggestions.Name(), x0, suggestionsViewTop, x1, suggestionsViewTop+suggestionsViewHeight, 0)
}
func (self *ConfirmationHelper) ResizeCommitMessagePanels() {
panelWidth := self.getPopupPanelWidth()
content := self.c.Views().CommitDescription.TextArea.GetContent()
summaryViewHeight := 3
panelHeight := getMessageHeight(false, content, panelWidth)
minHeight := 7
if panelHeight < minHeight {
panelHeight = minHeight
}
x0, y0, x1, y1 := self.getPopupPanelDimensionsAux(panelWidth, panelHeight)
_, _ = self.c.GocuiGui().SetView(self.c.Views().CommitMessage.Name(), x0, y0, x1, y0+summaryViewHeight-1, 0)
_, _ = self.c.GocuiGui().SetView(self.c.Views().CommitDescription.Name(), x0, y0+summaryViewHeight, x1, y1+summaryViewHeight, 0)
}
func (self *ConfirmationHelper) IsPopupPanel(viewName string) bool {
return viewName == "commitMessage" || viewName == "confirmation" || viewName == "menu"
}
func (self *ConfirmationHelper) IsPopupPanelFocused() bool {
return self.IsPopupPanel(self.c.CurrentContext().GetViewName())
}