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package gui
import (
"unicode"
"github.com/jesseduffield/gocui"
)
func (gui *Gui) handleEditorKeypress(textArea *gocui.TextArea, key gocui.Key, ch rune, mod gocui.Modifier, allowMultiline bool) bool {
newlineKey, ok := gui.getKey(gui.Config.GetUserConfig().Keybinding.Universal.AppendNewline).(gocui.Key)
if !ok {
newlineKey = gocui.KeyAltEnter
}
switch {
case key == gocui.KeyBackspace || key == gocui.KeyBackspace2:
textArea.BackSpaceChar()
case key == gocui.KeyCtrlD || key == gocui.KeyDelete:
textArea.DeleteChar()
case key == gocui.KeyArrowDown:
textArea.MoveCursorDown()
case key == gocui.KeyArrowUp:
textArea.MoveCursorUp()
case key == gocui.KeyArrowLeft:
textArea.MoveCursorLeft()
case key == gocui.KeyArrowRight:
textArea.MoveCursorRight()
case key == newlineKey:
if allowMultiline {
textArea.TypeRune('\n')
} else {
return false
}
case key == gocui.KeySpace:
textArea.TypeRune(' ')
case key == gocui.KeyInsert:
textArea.ToggleOverwrite()
case key == gocui.KeyCtrlU:
textArea.DeleteToStartOfLine()
case key == gocui.KeyCtrlA || key == gocui.KeyHome:
textArea.GoToStartOfLine()
case key == gocui.KeyCtrlE || key == gocui.KeyEnd:
textArea.GoToEndOfLine()
// TODO: see if we need all three of these conditions: maybe the final one is sufficient
case ch != 0 && mod == 0 && unicode.IsPrint(ch):
textArea.TypeRune(ch)
default:
return false
}
return true
}
// we've just copy+pasted the editor from gocui to here so that we can also re-
// render the commit message length on each keypress
func (gui *Gui) commitMessageEditor(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) bool {
matched := gui.handleEditorKeypress(v.TextArea, key, ch, mod, true)
// This function is called again on refresh as part of the general resize popup call,
// but we need to call it here so that when we go to render the text area it's not
// considered out of bounds to add a newline, meaning we can avoid unnecessary scrolling.
err := gui.resizePopupPanel(v, v.TextArea.GetContent())
if err != nil {
gui.Log.Error(err)
}
v.RenderTextArea()
gui.RenderCommitLength()
return matched
}
func (gui *Gui) defaultEditor(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) bool {
matched := gui.handleEditorKeypress(v.TextArea, key, ch, mod, false)
v.RenderTextArea()
if gui.findSuggestions != nil {
input := v.TextArea.GetContent()
gui.suggestionsAsyncHandler.Do(func() func() {
suggestions := gui.findSuggestions(input)
return func() { gui.setSuggestions(suggestions) }
})
}
return matched
}
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