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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"
"github.com/fatih/color"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/utils"
)
func (gui *Gui) wrappedConfirmationFunction(function func(*gocui.Gui, *gocui.View) error) 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 {
panic(err)
}
}
return gui.closeConfirmationPrompt(g)
}
}
func (gui *Gui) closeConfirmationPrompt(g *gocui.Gui) error {
view, err := g.View("confirmation")
if err != nil {
panic(err)
}
if err := gui.returnFocus(g, view); err != nil {
panic(err)
}
g.DeleteKeybindings("confirmation")
return g.DeleteView("confirmation")
}
func (gui *Gui) getMessageHeight(message string, width int) int {
lines := strings.Split(message, "\n")
lineCount := 0
for _, line := range lines {
lineCount += len(line)/width + 1
}
return lineCount
}
func (gui *Gui) getConfirmationPanelDimensions(g *gocui.Gui, prompt string) (int, int, int, int) {
width, height := g.Size()
panelWidth := width / 2
panelHeight := gui.getMessageHeight(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, handleConfirm func(*gocui.Gui, *gocui.View) error) error {
gui.onNewPopupPanel()
// only need to fit one line
x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, "")
if confirmationView, err := g.SetView("confirmation", x0, y0, x1, y1, 0); err != nil {
if err != gocui.ErrUnknownView {
return err
}
confirmationView.Editable = true
confirmationView.Title = title
gui.switchFocus(g, currentView, confirmationView)
return gui.setKeyBindings(g, handleConfirm, nil)
}
return nil
}
func (gui *Gui) onNewPopupPanel() {
gui.g.SetViewOnBottom("commitMessage")
}
func (gui *Gui) createConfirmationPanel(g *gocui.Gui, currentView *gocui.View, title, prompt string, 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); err != nil {
errMessage := gui.Tr.TemplateLocalize(
"CantCloseConfirmationPrompt",
map[string]interface{}{
"error": err.Error(),
},
)
gui.Log.Error(errMessage)
}
}
x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, prompt)
if confirmationView, err := g.SetView("confirmation", x0, y0, x1, y1, 0); err != nil {
if err != gocui.ErrUnknownView {
return err
}
confirmationView.Title = title
confirmationView.FgColor = gocui.ColorWhite
gui.renderString(g, "confirmation", prompt)
gui.switchFocus(g, currentView, confirmationView)
return gui.setKeyBindings(g, handleConfirm, handleClose)
}
return nil
})
return nil
}
func (gui *Gui) handleNewline(g *gocui.Gui, v *gocui.View) error {
// resising ahead of time so that the top line doesn't get hidden to make
// room for the cursor on the second line
x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, v.Buffer())
if _, err := g.SetView("confirmation", x0, y0, x1, y1+1, 0); err != nil {
if err != gocui.ErrUnknownView {
return err
}
}
v.EditNewLine()
return nil
}
func (gui *Gui) setKeyBindings(g *gocui.Gui, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
actions := gui.Tr.TemplateLocalize(
"CloseConfirm",
map[string]interface{}{
"keyBindClose": "esc",
"keyBindConfirm": "enter",
},
)
gui.renderString(g, "options", actions)
if err := g.SetKeybinding("confirmation", gocui.KeyEnter, gocui.ModNone, gui.wrappedConfirmationFunction(handleConfirm)); err != nil {
return err
}
if err := g.SetKeybinding("confirmation", gocui.KeyTab, gocui.ModNone, gui.handleNewline); err != nil {
return err
}
return g.SetKeybinding("confirmation", gocui.KeyEsc, gocui.ModNone, gui.wrappedConfirmationFunction(handleClose))
}
func (gui *Gui) createMessagePanel(g *gocui.Gui, currentView *gocui.View, title, prompt string) error {
return gui.createConfirmationPanel(g, currentView, title, prompt, nil, nil)
}
func (gui *Gui) createErrorPanel(g *gocui.Gui, message string) error {
currentView := g.CurrentView()
colorFunction := color.New(color.FgRed).SprintFunc()
coloredMessage := colorFunction(strings.TrimSpace(message))
return gui.createConfirmationPanel(g, currentView, gui.Tr.SLocalize("Error"), coloredMessage, nil, nil)
}
func (gui *Gui) resizePopupPanel(g *gocui.Gui, v *gocui.View) error {
// If the confirmation panel is already displayed, just resize the width,
// otherwise continue
content := utils.TrimTrailingNewline(v.Buffer())
x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(g, content)
vx0, vy0, vx1, vy1 := v.Dimensions()
if vx0 == x0 && vy0 == y0 && vx1 == x1 && vy1 == y1 {
return nil
}
gui.Log.Info(gui.Tr.SLocalize("resizingPopupPanel"))
_, err := g.SetView(v.Name(), x0, y0, x1, y1, 0)
return err
}
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