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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"
)
type createPopupPanelOpts struct {
returnToView *gocui.View
hasLoader bool
returnFocusOnClose bool
editable bool
title string
prompt string
handleConfirm func() error
handleConfirmPrompt func(string) error
handleClose func() error
}
type askOpts struct {
returnToView *gocui.View
returnFocusOnClose bool
title string
prompt string
handleConfirm func() error
handleClose func() error
}
func (gui *Gui) createLoaderPanel(currentView *gocui.View, prompt string) error {
return gui.createPopupPanel(createPopupPanelOpts{
returnToView: currentView,
prompt: prompt,
hasLoader: true,
returnFocusOnClose: true,
})
}
func (gui *Gui) ask(opts askOpts) error {
return gui.createPopupPanel(createPopupPanelOpts{
returnToView: opts.returnToView,
title: opts.title,
prompt: opts.prompt,
returnFocusOnClose: opts.returnFocusOnClose,
handleConfirm: opts.handleConfirm,
handleClose: opts.handleClose,
})
}
func (gui *Gui) prompt(currentView *gocui.View, title string, initialContent string, handleConfirm func(string) error) error {
return gui.createPopupPanel(createPopupPanelOpts{
returnToView: currentView,
title: title,
prompt: initialContent,
returnFocusOnClose: true,
editable: true,
handleConfirmPrompt: handleConfirm,
})
}
func (gui *Gui) wrappedConfirmationFunction(function func() error, returnFocusOnClose bool) func(*gocui.Gui, *gocui.View) error {
return func(g *gocui.Gui, v *gocui.View) error {
if function != nil {
if err := function(); err != nil {
return err
}
}
return gui.closeConfirmationPrompt(g, returnFocusOnClose)
}
}
func (gui *Gui) wrappedPromptConfirmationFunction(function func(string) error, returnFocusOnClose bool) func(*gocui.Gui, *gocui.View) error {
return func(g *gocui.Gui, v *gocui.View) error {
if function != nil {
if err := function(v.Buffer()); 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
}
view.Editable = false
if returnFocusOnClose {
if err := gui.returnFocus(g, view); err != nil {
panic(err)
}
}
g.DeleteKeybinding("confirmation", gocui.KeyEnter, gocui.ModNone)
g.DeleteKeybinding("confirmation", gocui.KeyEsc, gocui.ModNone)
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()
// 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
}
}
panelHeight := gui.getMessageHeight(wrap, prompt, panelWidth)
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 (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
if hasLoader {
gui.g.StartTicking()
}
confirmationView.Title = title
confirmationView.Wrap = true
confirmationView.FgColor = theme.GocuiDefaultTextColor
}
gui.g.Update(func(g *gocui.Gui) error {
return gui.switchFocus(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) createPopupPanel(opts createPopupPanelOpts) error {
gui.onNewPopupPanel()
gui.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 {
gui.Log.Error(err)
}
}
confirmationView, err := gui.prepareConfirmationPanel(opts.returnToView, opts.title, opts.prompt, opts.hasLoader)
if err != nil {
return err
}
confirmationView.Editable = opts.editable
if opts.editable {
go func() {
// TODO: remove this wait (right now if you remove it the EditGotoToEndOfLine method doesn't seem to work)
time.Sleep(time.Millisecond)
gui.g.Update(func(g *gocui.Gui) error {
confirmationView.EditGotoToEndOfLine()
return nil
})
}()
}
gui.renderString("confirmation", opts.prompt)
return gui
|
