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// lots of this has been directly ported from one of the example files, will brush up later
// Copyright 2014 The gocui Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package gui
import (
"strings"
"time"
"github.com/fatih/color"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/theme"
)
func (gui *Gui) wrappedConfirmationFunction(function func(*gocui.Gui, *gocui.View) error, returnFocusOnClose bool) func(*gocui.Gui, *gocui.View) error {
return func(g *gocui.Gui, v *gocui.View) error {
if function != nil {
if err := function(g, v); err != nil {
return err
}
}
return gui.closeConfirmationPrompt(g, returnFocusOnClose)
}
}
func (gui *Gui) closeConfirmationPrompt(g *gocui.Gui, returnFocusOnClose bool) error {
view, err := g.View("confirmation")
if err != nil {
return nil // if it's already been closed we can just return
}
if returnFocusOnClose {
if err := gui.returnFocus(g, view); err != nil {
panic(err)
}
}
g.DeleteKeybindings("confirmation")
return g.DeleteView("confirmation")
}
func (gui *Gui) getMessageHeight(wrap bool, message string, width int) int {
lines := strings.Split(message, "\n")
lineCount := 0
// if we need to wrap, calculate height to fit content within view's width
if wrap {
for _, line := range lines {
lineCount += len(line)/width + 1
}
} else {
lineCount = len(lines)
}
return lineCount
}
func (gui *Gui) getConfirmationPanelDimensions(g *gocui.Gui, wrap bool, prompt string) (int, int, int, int) {
width, height := g.Size()
panelWidth := 4 * width / 7
panelHeight := gui.getMessageHeight(wrap, prompt, panelWidth)
return width/2 - panelWidth/2,
height/2 - panelHeight/2 - panelHeight%2 - 1,
width/2 + panelWidth/2,
height/2 + panelHeight/2
}
func (gui *Gui) createPromptPanel(g *gocui.Gui, currentView *gocui.View, title string, initialContent string, handleConfirm func(*gocui.Gui, *gocui.View) error) error {
gui.onNewPopupPanel()
confirmationView, err := gui.prepareConfirmationPanel(currentView, title, initialContent, false)
if err != nil {
return err
}
confirmationView.Editable = true
if err := gui.renderString(g, "confirmation", initialContent); err != nil {
return err
}
// in the future we might want to give createPromptPanel the returnFocusOnClose arg too, but for now we're always setting it to true
return gui.setKeyBindings(g, handleConfirm, nil, true)
}
func (gui *Gui) prepareConfirmationPanel(currentView *gocui.View, title, prompt string, hasLoader bool) (*gocui.View, error) {
x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(gui.g, true, prompt)
confirmationView, err := gui.g.SetView("confirmation", x0, y0, x1, y1, 0)
if err != nil {
if err.Error() != "unknown view" {
return nil, err
}
confirmationView.HasLoader = hasLoader
confirmationView.Title = title
confirmationView.Wrap = true
confirmationView.FgColor = theme.GocuiDefaultTextColor
}
gui.g.Update(func(g *gocui.Gui) error {
return gui.switchFocus(gui.g, currentView, confirmationView)
})
return confirmationView, nil
}
func (gui *Gui) onNewPopupPanel() {
viewNames := []string{"commitMessage",
"credentials",
"menu"}
for _, viewName := range viewNames {
_, _ = gui.g.SetViewOnBottom(viewName)
}
}
func (gui *Gui) createLoaderPanel(g *gocui.Gui, currentView *gocui.View, prompt string) error {
return gui.createPopupPanel(g, currentView, "", prompt, true, true, nil, nil)
}
// it is very important that within this function we never include the original prompt in any error messages, because it may contain e.g. a user password
func (gui *Gui) createConfirmationPanel(g *gocui.Gui, currentView *gocui.View, returnFocusOnClose bool, title, prompt string, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
return gui.createPopupPanel(g, currentView, title, prompt, false, returnFocusOnClose, handleConfirm, handleClose)
}
func (gui *Gui) createPopupPanel(g *gocui.Gui, currentView *gocui.View, title, prompt string, hasLoader bool, returnFocusOnClose bool, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
gui.onNewPopupPanel()
g.Update(func(g *gocui.Gui) error {
// delete the existing confirmation panel if it exists
if view, _ := g.View("confirmation"); view != nil {
if err := gui.closeConfirmationPrompt(g, true); err != nil {
errMessage := gui.Tr.TemplateLocalize(
"CantCloseConfirmationPrompt",
Teml{
"error": err.Error(),
},
)
gui.Log.Error(errMessage)
}
}
confirmationView, err := gui.prepareConfirmationPanel(currentView, title, prompt, hasLoader)
if err != nil {
return err
}
confirmationView.Editable = false
if err := gui.renderString(g, "confirmation", prompt); err != nil {
return err
}
return gui.setKeyBindings(g, handleConfirm, handleClose, returnFocusOnClose)
})
return nil
}
func (gui *Gui) setKeyBindings(g *gocui.Gui, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error, returnFocusOnClose bool) error {
actions := gui.Tr.TemplateLocalize(
"CloseConfirm",
Teml{
"keyBindClose": "esc",
"keyBindConfirm": "enter",
},
)
if err := gui.renderString(g, "options", actions); err != nil {
return err
}
if err := g.SetKeybinding("confirmation", gocui.KeyEnter, gocui.ModNone, gui.wrappedConfirmationFunction(handleConfirm, returnFocusOnClose)); err != nil {
return err
}
return g.SetKeybinding("confirmation", gocui.KeyEsc, gocui.ModNone, gui.wrappedConfirmationFunction(handleClose, returnFocusOnClose))
}
func (gui *Gui) createMessagePanel(g *gocui.Gui, currentView *gocui.View, title, prompt string) error {
return gui.createPopupPanel(g, currentView, title, prompt, false, true, nil, nil)
}
// createSpecificErrorPanel allows you to create an error popup, specifying the
// view to be focused when the user closes the popup, and a boolean specifying
// whether we will log the error. If the message may include a user password,
// this function is to be used over the more generic createErrorPanel, with
// willLog set to false
func (gui *Gui) createSpecificErrorPanel(message string, nextView *gocui.View, willLog bool) error {
if willLog {
go func() {
// when reporting is switched on this log call sometimes introduces
// a delay on the error panel popping up. Here I'm adding a second wait
// so that the error is logged while the user
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