mirror of
https://github.com/jesseduffield/lazygit.git
synced 2024-12-12 11:15:00 +02:00
343 lines
9.8 KiB
Go
343 lines
9.8 KiB
Go
// lots of this has been directly ported from one of the example files, will brush up later
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// Copyright 2014 The gocui Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package gui
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import (
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"strings"
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"time"
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"github.com/fatih/color"
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"github.com/jesseduffield/gocui"
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"github.com/jesseduffield/lazygit/pkg/gui/types"
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"github.com/jesseduffield/lazygit/pkg/theme"
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"github.com/jesseduffield/lazygit/pkg/utils"
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)
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type createPopupPanelOpts struct {
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hasLoader bool
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editable bool
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title string
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prompt string
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handleConfirm func() error
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handleConfirmPrompt func(string) error
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handleClose func() error
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// when handlersManageFocus is true, do not return from the confirmation context automatically. It's expected that the handlers will manage focus, whether that means switching to another context, or manually returning the context.
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handlersManageFocus bool
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findSuggestionsFunc func(string) []*types.Suggestion
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}
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type askOpts struct {
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title string
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prompt string
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handleConfirm func() error
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handleClose func() error
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handlersManageFocus bool
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findSuggestionsFunc func(string) []*types.Suggestion
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}
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type promptOpts struct {
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title string
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initialContent string
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handleConfirm func(string) error
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findSuggestionsFunc func(string) []*types.Suggestion
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}
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func (gui *Gui) ask(opts askOpts) error {
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return gui.createPopupPanel(createPopupPanelOpts{
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title: opts.title,
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prompt: opts.prompt,
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handleConfirm: opts.handleConfirm,
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handleClose: opts.handleClose,
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handlersManageFocus: opts.handlersManageFocus,
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findSuggestionsFunc: opts.findSuggestionsFunc,
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})
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}
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func (gui *Gui) prompt(opts promptOpts) error {
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return gui.createPopupPanel(createPopupPanelOpts{
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title: opts.title,
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prompt: opts.initialContent,
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editable: true,
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handleConfirmPrompt: opts.handleConfirm,
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findSuggestionsFunc: opts.findSuggestionsFunc,
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})
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}
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func (gui *Gui) createLoaderPanel(prompt string) error {
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return gui.createPopupPanel(createPopupPanelOpts{
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prompt: prompt,
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hasLoader: true,
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})
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}
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func (gui *Gui) wrappedConfirmationFunction(handlersManageFocus bool, function func() error) func() error {
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return func() error {
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if function != nil {
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if err := function(); err != nil {
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return err
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}
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}
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if err := gui.closeConfirmationPrompt(handlersManageFocus); err != nil {
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return err
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}
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return nil
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}
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}
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func (gui *Gui) wrappedPromptConfirmationFunction(handlersManageFocus bool, function func(string) error, getResponse func() string) func() error {
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return func() error {
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if function != nil {
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if err := function(getResponse()); err != nil {
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return gui.surfaceError(err)
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}
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}
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if err := gui.closeConfirmationPrompt(handlersManageFocus); err != nil {
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return err
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}
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return nil
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}
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}
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func (gui *Gui) clearConfirmationViewKeyBindings() {
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keybindingConfig := gui.Config.GetUserConfig().Keybinding
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_ = gui.g.DeleteKeybinding("confirmation", gui.getKey(keybindingConfig.Universal.Confirm), gocui.ModNone)
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_ = gui.g.DeleteKeybinding("confirmation", gui.getKey(keybindingConfig.Universal.ConfirmAlt1), gocui.ModNone)
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_ = gui.g.DeleteKeybinding("confirmation", gui.getKey(keybindingConfig.Universal.Return), gocui.ModNone)
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}
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func (gui *Gui) closeConfirmationPrompt(handlersManageFocus bool) error {
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// we've already closed it so we can just return
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if !gui.Views.Confirmation.Visible {
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return nil
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}
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if !handlersManageFocus {
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if err := gui.returnFromContext(); err != nil {
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return err
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}
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}
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gui.clearConfirmationViewKeyBindings()
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gui.Views.Confirmation.Visible = false
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gui.Views.Suggestions.Visible = false
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return nil
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}
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func (gui *Gui) getMessageHeight(wrap bool, message string, width int) int {
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lines := strings.Split(message, "\n")
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lineCount := 0
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// if we need to wrap, calculate height to fit content within view's width
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if wrap {
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for _, line := range lines {
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lineCount += len(line)/width + 1
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}
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} else {
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lineCount = len(lines)
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}
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return lineCount
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}
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func (gui *Gui) getConfirmationPanelDimensions(wrap bool, prompt string) (int, int, int, int) {
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width, height := gui.g.Size()
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// we want a minimum width up to a point, then we do it based on ratio.
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panelWidth := 4 * width / 7
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minWidth := 80
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if panelWidth < minWidth {
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if width-2 < minWidth {
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panelWidth = width - 2
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} else {
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panelWidth = minWidth
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}
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}
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panelHeight := gui.getMessageHeight(wrap, prompt, panelWidth)
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if panelHeight > height*3/4 {
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panelHeight = height * 3 / 4
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}
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return width/2 - panelWidth/2,
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height/2 - panelHeight/2 - panelHeight%2 - 1,
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width/2 + panelWidth/2,
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height/2 + panelHeight/2
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}
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func (gui *Gui) prepareConfirmationPanel(title, prompt string, hasLoader bool, findSuggestionsFunc func(string) []*types.Suggestion) (*gocui.View, error) {
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x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(true, prompt)
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confirmationView, err := gui.g.SetView("confirmation", x0, y0, x1, y1, 0)
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if err != nil {
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if err.Error() != UNKNOWN_VIEW_ERROR_MSG {
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return nil, err
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}
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confirmationView.HasLoader = hasLoader
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if hasLoader {
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gui.g.StartTicking()
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}
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confirmationView.Title = title
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confirmationView.Wrap = true
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confirmationView.FgColor = theme.GocuiDefaultTextColor
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}
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gui.findSuggestions = findSuggestionsFunc
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if findSuggestionsFunc != nil {
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suggestionsViewHeight := 11
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suggestionsView, err := gui.g.SetView("suggestions", x0, y1, x1, y1+suggestionsViewHeight, 0)
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if err != nil {
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if err.Error() != UNKNOWN_VIEW_ERROR_MSG {
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return nil, err
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}
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suggestionsView.Wrap = true
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suggestionsView.FgColor = theme.GocuiDefaultTextColor
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}
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gui.setSuggestions([]*types.Suggestion{})
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suggestionsView.Visible = true
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}
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gui.g.Update(func(g *gocui.Gui) error {
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return gui.pushContext(gui.State.Contexts.Confirmation)
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})
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return confirmationView, nil
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}
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func (gui *Gui) createPopupPanel(opts createPopupPanelOpts) error {
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gui.g.Update(func(g *gocui.Gui) error {
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// remove any previous keybindings
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gui.clearConfirmationViewKeyBindings()
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confirmationView, err := gui.prepareConfirmationPanel(opts.title, opts.prompt, opts.hasLoader, opts.findSuggestionsFunc)
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if err != nil {
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return err
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}
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confirmationView.Editable = opts.editable
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confirmationView.Editor = gocui.EditorFunc(gui.defaultEditor)
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if opts.editable {
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go utils.Safe(func() {
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// TODO: remove this wait (right now if you remove it the EditGotoToEndOfLine method doesn't seem to work)
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time.Sleep(time.Millisecond)
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gui.g.Update(func(g *gocui.Gui) error {
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confirmationView.EditGotoToEndOfLine()
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return nil
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})
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})
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}
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gui.renderString("confirmation", opts.prompt)
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return gui.setKeyBindings(opts)
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})
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return nil
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}
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func (gui *Gui) setKeyBindings(opts createPopupPanelOpts) error {
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actions := utils.ResolvePlaceholderString(
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gui.Tr.CloseConfirm,
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map[string]string{
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"keyBindClose": "esc",
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"keyBindConfirm": "enter",
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},
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)
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gui.renderString("options", actions)
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var onConfirm func() error
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if opts.handleConfirmPrompt != nil {
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onConfirm = gui.wrappedPromptConfirmationFunction(opts.handlersManageFocus, opts.handleConfirmPrompt, func() string { return gui.Views.Confirmation.Buffer() })
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} else {
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onConfirm = gui.wrappedConfirmationFunction(opts.handlersManageFocus, opts.handleConfirm)
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}
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type confirmationKeybinding struct {
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viewName string
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key interface{}
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handler func() error
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}
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keybindingConfig := gui.Config.GetUserConfig().Keybinding
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onSuggestionConfirm := gui.wrappedPromptConfirmationFunction(opts.handlersManageFocus, opts.handleConfirmPrompt, func() string { return gui.getSelectedSuggestionValue() })
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confirmationKeybindings := []confirmationKeybinding{
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{
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viewName: "confirmation",
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key: gui.getKey(keybindingConfig.Universal.Confirm),
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handler: onConfirm,
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},
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{
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viewName: "confirmation",
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key: gui.getKey(keybindingConfig.Universal.ConfirmAlt1),
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handler: onConfirm,
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},
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{
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viewName: "confirmation",
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key: gui.getKey(keybindingConfig.Universal.Return),
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handler: gui.wrappedConfirmationFunction(opts.handlersManageFocus, opts.handleClose),
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},
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{
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viewName: "confirmation",
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key: gui.getKey(keybindingConfig.Universal.TogglePanel),
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handler: func() error { return gui.replaceContext(gui.State.Contexts.Suggestions) },
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},
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{
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viewName: "suggestions",
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key: gui.getKey(keybindingConfig.Universal.Confirm),
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handler: onSuggestionConfirm,
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},
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{
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viewName: "suggestions",
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key: gui.getKey(keybindingConfig.Universal.ConfirmAlt1),
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handler: onSuggestionConfirm,
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},
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{
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viewName: "suggestions",
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key: gui.getKey(keybindingConfig.Universal.Return),
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handler: gui.wrappedConfirmationFunction(opts.handlersManageFocus, opts.handleClose),
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},
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{
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viewName: "suggestions",
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key: gui.getKey(keybindingConfig.Universal.TogglePanel),
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handler: func() error { return gui.replaceContext(gui.State.Contexts.Confirmation) },
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},
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}
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for _, binding := range confirmationKeybindings {
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if err := gui.g.SetKeybinding(binding.viewName, nil, binding.key, gocui.ModNone, gui.wrappedHandler(binding.handler)); err != nil {
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return err
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}
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}
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return nil
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}
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func (gui *Gui) wrappedHandler(f func() error) func(g *gocui.Gui, v *gocui.View) error {
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return func(g *gocui.Gui, v *gocui.View) error {
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return f()
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}
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}
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func (gui *Gui) createErrorPanel(message string) error {
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colorFunction := color.New(color.FgRed).SprintFunc()
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coloredMessage := colorFunction(strings.TrimSpace(message))
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if err := gui.refreshSidePanels(refreshOptions{mode: ASYNC}); err != nil {
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return err
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}
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return gui.ask(askOpts{
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title: gui.Tr.Error,
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prompt: coloredMessage,
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})
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}
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func (gui *Gui) surfaceError(err error) error {
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if err == nil {
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return nil
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}
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return gui.createErrorPanel(err.Error())
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}
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