mirror of
https://github.com/jesseduffield/lazygit.git
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126 lines
3.9 KiB
Go
126 lines
3.9 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 main
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import (
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// "io"
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// "io/ioutil"
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"strings"
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// "strings"
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"github.com/fatih/color"
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"github.com/jesseduffield/gocui"
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)
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func wrappedConfirmationFunction(function func(*gocui.Gui, *gocui.View) error) func(*gocui.Gui, *gocui.View) error {
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return func(g *gocui.Gui, v *gocui.View) error {
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if function != nil {
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if err := function(g, v); err != nil {
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panic(err)
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}
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}
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return closeConfirmationPrompt(g)
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}
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}
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func closeConfirmationPrompt(g *gocui.Gui) error {
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view, err := g.View("confirmation")
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if err != nil {
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panic(err)
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}
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if err := returnFocus(g, view); err != nil {
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panic(err)
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}
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g.DeleteKeybindings("confirmation")
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return g.DeleteView("confirmation")
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}
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func getMessageHeight(message string, width int) int {
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lines := strings.Split(message, "\n")
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lineCount := 0
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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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return lineCount
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}
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func getConfirmationPanelDimensions(g *gocui.Gui, prompt string) (int, int, int, int) {
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width, height := g.Size()
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panelWidth := 60
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// panelHeight := int(math.Ceil(float64(len(prompt)) / float64(panelWidth)))
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panelHeight := getMessageHeight(prompt, panelWidth)
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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 createPromptPanel(g *gocui.Gui, currentView *gocui.View, title string, handleYes func(*gocui.Gui, *gocui.View) error) error {
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// only need to fit one line
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x0, y0, x1, y1 := getConfirmationPanelDimensions(g, "")
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if confirmationView, err := g.SetView("confirmation", x0, y0, x1, y1); err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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confirmationView.Editable = true
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g.Cursor = true
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confirmationView.Title = title
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switchFocus(g, currentView, confirmationView)
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return setKeyBindings(g, handleYes, nil)
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}
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return nil
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}
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func createConfirmationPanel(g *gocui.Gui, currentView *gocui.View, title, prompt string, handleYes, handleNo func(*gocui.Gui, *gocui.View) error) error {
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g.Update(func(g *gocui.Gui) error {
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// delete the existing confirmation panel if it exists
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if view, _ := g.View("confirmation"); view != nil {
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if err := closeConfirmationPrompt(g); err != nil {
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panic(err)
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}
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}
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x0, y0, x1, y1 := getConfirmationPanelDimensions(g, prompt)
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if confirmationView, err := g.SetView("confirmation", x0, y0, x1, y1); err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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confirmationView.Title = title
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renderString(g, "confirmation", prompt)
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switchFocus(g, currentView, confirmationView)
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return setKeyBindings(g, handleYes, handleNo)
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}
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return nil
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})
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return nil
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}
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func setKeyBindings(g *gocui.Gui, handleYes, handleNo func(*gocui.Gui, *gocui.View) error) error {
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renderString(g, "options", "esc/n: close, enter/y: confirm")
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if err := g.SetKeybinding("confirmation", gocui.KeyEnter, gocui.ModNone, wrappedConfirmationFunction(handleYes)); err != nil {
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return err
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}
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if err := g.SetKeybinding("confirmation", gocui.KeyEsc, gocui.ModNone, wrappedConfirmationFunction(handleNo)); 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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func createSimpleConfirmationPanel(g *gocui.Gui, currentView *gocui.View, title, prompt string) error {
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return createConfirmationPanel(g, currentView, title, prompt, nil, nil)
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}
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func createErrorPanel(g *gocui.Gui, message string) error {
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currentView := g.CurrentView()
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colorFunction := color.New(color.FgRed).SprintFunc()
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coloredMessage := colorFunction(strings.TrimSpace(message))
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return createConfirmationPanel(g, currentView, "Error", coloredMessage, nil, nil)
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}
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