private static string GetInsideTag(SETextBox textBox, string before)
{
var lastIndexOfStartBracket = before.LastIndexOf("{", StringComparison.Ordinal);
var lastStart = Math.Max(before.LastIndexOf("\\", StringComparison.Ordinal), lastIndexOfStartBracket);
if (lastStart < 0)
{
return(string.Empty);
}
var extra = lastIndexOfStartBracket == lastStart ? 1 : 0;
if (textBox.SelectionStart + extra > textBox.Text.Length)
{
return(string.Empty);
}
var endTagIndex = textBox.Text.IndexOfAny(new[] { '\\', '}' }, textBox.SelectionStart + extra);
if (endTagIndex > 0)
{
var s = textBox.Text.Substring(lastStart, endTagIndex - lastStart + extra);
return(s);
}
return(string.Empty);
}
public void SelectedTextThirdLine()
{
Configuration.Settings.General.SubtitleTextBoxSyntaxColor = false;
var tbNormal = new SETextBox();
Configuration.Settings.General.SubtitleTextBoxSyntaxColor = true;
var tbRichText = new SETextBox();
tbNormal.Text = "How" + Environment.NewLine + "are you" + Environment.NewLine + "today?";
tbRichText.Text = "How" + Environment.NewLine + "are you" + Environment.NewLine + "today?";
tbNormal.SelectionStart = 14;
tbNormal.SelectionLength = 5;
tbRichText.SelectionStart = 14;
tbRichText.SelectionLength = 5;
tbNormal.SelectedText = "tomorrow";
tbRichText.SelectedText = "tomorrow";
Assert.AreEqual("How" + Environment.NewLine + "are you" + Environment.NewLine + "tomorrow?", tbRichText.Text);
Assert.AreEqual(tbNormal.Text, tbRichText.Text);
Assert.AreEqual(tbNormal.SelectedText, tbRichText.SelectedText);
Assert.AreEqual(tbNormal.SelectionStart, tbRichText.SelectionStart);
Assert.AreEqual(tbNormal.SelectionLength, tbRichText.SelectionLength);
}
public static int MergeTagAtCursor(SETextBox tb, int cursorPosition, bool before)
{
if (cursorPosition >= tb.Text.Length)
{
return(0);
}
if (cursorPosition > 0 && tb.Text[cursorPosition - 1] == '}' && tb.Text[cursorPosition] == '{')
{
tb.Text = tb.Text.Remove(cursorPosition - 1, 2);
return(before ? 2 : 0);
}
if (cursorPosition > 0 && tb.Text[cursorPosition - 1] == '\\' && tb.Text[cursorPosition] == '{')
{
tb.Text = tb.Text.Remove(cursorPosition - 1, 2);
return(2);
}
if (cursorPosition > 1 && tb.Text[cursorPosition - 2] == '}' && tb.Text[cursorPosition - 1] == '{')
{
tb.Text = tb.Text.Remove(cursorPosition - 2, 2);
return(2);
}
return(0);
}
private void ClearText()
{
SETextBox.Clear();
SATextBox.Clear();
SNTextBox.Clear();
SNUTextBox.Clear();
}
public void RemoveTag1()
{
var tb = new SETextBox {
Text = "{\\an1}Hallo!", SelectionStart = 1
};
Nikse.SubtitleEdit.Logic.AssaTagHelper.RemoveTagAtCursor(tb);
Assert.AreEqual("Hallo!", tb.Text);
}
public static void CompleteItem(SETextBox tb, IntellisenseItem item)
{
if (item == IntellisenseItem.IntellisenseItemEdit)
{
using (var form = new AssaTagTemplate())
{
form.ShowDialog();
}
return;
}
tb.SuspendLayout();
// remove old tag if any
if (!string.IsNullOrEmpty(item.ActiveTagAtCursor) && tb.SelectionLength == 0)
{
RemoveTagAtCursor(tb);
item.TypedWord = string.Empty;
}
// insert new tag
var oldStart = tb.SelectionStart;
if (item.TypedWord.Length > 0)
{
tb.SelectedText = item.Value.Remove(0, item.TypedWord.Length);
}
else
{
if (tb.SelectionStart > 0 && tb.Text[tb.SelectionStart - 1] == '}' && item.Value.StartsWith('\\'))
{
tb.SelectedText = "{" + item.Value;
}
else
{
tb.SelectedText = item.Value;
}
}
var newStart = oldStart + item.Value.Length;
// merge tags before/after
var subtract = MergeTagAtCursor(tb, oldStart, true);
subtract += MergeTagAtCursor(tb, newStart, false);
tb.SelectionStart = newStart - subtract - item.TypedWord.Length;
tb.ResumeLayout();
AddUsedTag(item.Value);
}
public static void CheckAutoWrap(SETextBox textBox, KeyEventArgs e, int numberOfNewLines)
{
// Do not auto-break lines more than 1 line.
if (numberOfNewLines != 1 || !Configuration.Settings.General.AutoWrapLineWhileTyping)
{
return;
}
int length = HtmlUtil.RemoveHtmlTags(textBox.Text, true).Length;
if (e.Modifiers == Keys.None && e.KeyCode != Keys.Enter && length > Configuration.Settings.General.SubtitleLineMaximumLength)
{
string newText;
if (length > Configuration.Settings.General.SubtitleLineMaximumLength + 30)
{
newText = Utilities.AutoBreakLine(textBox.Text);
}
else
{
int lastSpace = textBox.Text.LastIndexOf(' ');
if (lastSpace > 0)
{
newText = textBox.Text.Remove(lastSpace, 1).Insert(lastSpace, Environment.NewLine);
}
else
{
newText = textBox.Text;
}
}
int autoBreakIndex = newText.IndexOf(Environment.NewLine, StringComparison.Ordinal);
if (autoBreakIndex > 0)
{
int selectionStart = textBox.SelectionStart;
textBox.Text = newText;
if (selectionStart > autoBreakIndex)
{
selectionStart += Environment.NewLine.Length - 1;
}
if (selectionStart >= 0)
{
textBox.SelectionStart = selectionStart;
}
}
}
}
private ListBox DoIntellisense(SETextBox tb, ListBox intellisenseListBox)
{
if (intellisenseListBox == null)
{
intellisenseListBox = new ListBox();
Controls.Add(intellisenseListBox);
intellisenseListBox.PreviewKeyDown += (o, args) =>
{
if (args.KeyCode == Keys.Tab && intellisenseListBox.SelectedIndex >= 0)
{
if (intellisenseListBox.Items[intellisenseListBox.SelectedIndex] is AssaTagHelper.IntellisenseItem item)
{
AssaTagHelper.CompleteItem(tb, item);
}
intellisenseListBox.Hide();
System.Threading.SynchronizationContext.Current.Post(TimeSpan.FromMilliseconds(10), () => tb.Focus());
}
};
intellisenseListBox.KeyDown += (o, args) =>
{
if (args.KeyCode == Keys.Enter && intellisenseListBox.SelectedIndex >= 0)
{
if (intellisenseListBox.Items[intellisenseListBox.SelectedIndex] is AssaTagHelper.IntellisenseItem item)
{
AssaTagHelper.CompleteItem(tb, item);
}
args.SuppressKeyPress = true;
args.Handled = true;
intellisenseListBox.Hide();
tb.Focus();
}
else if (args.KeyCode == Keys.Escape || MainTextBoxAssaIntellisense == args.KeyData)
{
args.SuppressKeyPress = true;
args.Handled = true;
intellisenseListBox.Hide();
tb.Focus();
}
};
intellisenseListBox.Click += (o, args) =>
{
var index = intellisenseListBox.IndexFromPoint(((MouseEventArgs)args).Location);
if (index != ListBox.NoMatches)
{
if (intellisenseListBox.Items[index] is AssaTagHelper.IntellisenseItem item)
{
AssaTagHelper.CompleteItem(tb, item);
}
intellisenseListBox.Hide();
tb.Focus();
}
};
intellisenseListBox.KeyPress += (o, args) =>
{
var x = args.KeyChar.ToString();
if (!string.IsNullOrEmpty(x) && x != "\r" && x != "\n" && x != "\u001b" && x != " ")
{
if (x == "{")
{
x = "{{}";
}
else if (x == "}")
{
x = "{}}";
}
tb.Focus();
SendKeys.SendWait(x);
args.Handled = true;
AssaTagHelper.AutoCompleteTextBox(tb, intellisenseListBox);
intellisenseListBox.Focus();
}
};
intellisenseListBox.LostFocus += (o, args) => intellisenseListBox.Hide();
}
if (AssaTagHelper.AutoCompleteTextBox(tb, intellisenseListBox))
{
var p = GetPositionInForm(tb);
intellisenseListBox.Location = new Point(p.X + 10, p.Y + 30); //TODO: improve position
intellisenseListBox.Height = 185;
intellisenseListBox.Show();
intellisenseListBox.BringToFront();
intellisenseListBox.Focus();
}
return(intellisenseListBox);
}
public static bool AutoCompleteTextBox(SETextBox textBox, ListBox listBox)
{
var textBeforeCursor = string.IsNullOrEmpty(textBox.Text) ? string.Empty : textBox.Text.Substring(0, textBox.SelectionStart);
var activeTagAtCursor = GetInsideTag(textBox, textBeforeCursor);
var activeTagToCursor = GetLastString(textBeforeCursor) ?? string.Empty;
var keywords = Configuration.Settings.Tools.AssaTagTemplates.Select(p => new IntellisenseItem(p.Tag, p.Hint, false)).ToList();
keywords.AddRange(Keywords);
keywords = (activeTagToCursor.StartsWith('\\') ? keywords.Select(p => new IntellisenseItem(p.Value.TrimStart('{'), p.Hint, p.AllowInTransformations, p.HelpLink)) : keywords.Select(p => p)).ToList();
if (textBeforeCursor.EndsWith("\\t(", StringComparison.Ordinal))
{
// use smaller list inside transformation
keywords = Keywords.Where(p => p.AllowInTransformations).Select(p => new IntellisenseItem(p.Value.TrimStart('{'), p.Hint, p.AllowInTransformations, p.HelpLink)).ToList();
activeTagToCursor = string.Empty;
}
var filteredList = keywords
.Where(n => string.IsNullOrEmpty(activeTagToCursor) || n.Value.StartsWith(GetLastString(activeTagToCursor), StringComparison.OrdinalIgnoreCase))
.ToList();
if (filteredList.Count == 0 && activeTagToCursor.EndsWith("\\"))
{
// continuing ass tag, remove "{\" + "}"
activeTagToCursor = string.Empty;
filteredList = keywords
.Select(p => new IntellisenseItem(p.Value.Replace("{\\", string.Empty).RemoveChar('}'), p.Hint, p.AllowInTransformations, p.HelpLink))
.ToList();
}
listBox.Items.Clear();
foreach (var item in filteredList)
{
item.TypedWord = activeTagToCursor;
item.ActiveTagAtCursor = activeTagAtCursor;
item.Font = listBox.Font;
listBox.Items.Add(item);
}
if (listBox.Items.Count == 0)
{
return(false);
}
listBox.SelectedIndex = 0;
var endTag = GetEndTagFromLastTagInText(textBeforeCursor);
if (!string.IsNullOrEmpty(endTag))
{
var item = filteredList.Find(p => p.Value == endTag);
if (item != null)
{
listBox.SelectedIndex = filteredList.IndexOf(item);
}
}
else if (IsLastTwoTagsEqual())
{
var item = filteredList.Find(p => p.Value == LastAddedTags.Last());
if (item != null)
{
listBox.SelectedIndex = filteredList.IndexOf(item);
}
}
IntellisenseItem.IntellisenseItemEdit.Font = textBox.TextBoxFont;
listBox.Items.Add(IntellisenseItem.IntellisenseItemEdit);
if (Configuration.Settings.General.UseDarkTheme)
{
DarkTheme.SetDarkTheme(listBox);
}
listBox.Width = 500;
listBox.Height = 200;
var height = listBox.Items.Count * listBox.ItemHeight + listBox.Items.Count + listBox.ItemHeight;
if (height < listBox.Height)
{
listBox.Height = height;
}
listBox.Visible = true;
return(true);
}
public static void RemoveTagAtCursor(SETextBox tb)
{
if (tb.SelectionStart == 0 || tb.SelectedText.Length > 0)
{
return;
}
var before = tb.Text.Substring(0, tb.SelectionStart);
var after = tb.Text.Remove(0, tb.SelectionStart);
// no tag?
var lastIndexOfEndBracket = before.LastIndexOf('}');
var lastIndexOfBackslash = before.LastIndexOf('\\');
if (lastIndexOfEndBracket > lastIndexOfBackslash ||
lastIndexOfBackslash == -1 && lastIndexOfEndBracket == -1 && !before.EndsWith('{') && after.StartsWith('\\'))
{
return;
}
var start = lastIndexOfBackslash;
var extra = 0;
if (start == -1) // cursor right after "{"
{
if (tb.Text.Length > 2)
{
var nextEndTagIndex = tb.Text.IndexOfAny(new[] { '\\', '}' }, 2);
if (nextEndTagIndex <= 0 || tb.Text[nextEndTagIndex] != '\\')
{
start = 0;
extra = 1;
}
else
{
start = 1;
}
}
else
{
start = 0;
extra = 1;
}
}
else if (start > 0 && tb.Text[start - 1] == '{')
{
var nextEndTagIndex = tb.Text.IndexOfAny(new[] { '\\', '}' }, start + 1);
if (nextEndTagIndex <= 0 || tb.Text[nextEndTagIndex] != '\\')
{
start--;
extra = 1;
}
}
var startLetter = tb.Text[start];
if (start + 1 > tb.Text.Length)
{
return;
}
var endTagIndex = tb.Text.IndexOfAny(new[] { '\\', '}' }, start + 1 + extra);
if (endTagIndex > 0)
{
if (startLetter == '\\')
{
tb.Text = tb.Text.Remove(start, endTagIndex - start);
}
else
{
tb.Text = tb.Text.Remove(start, endTagIndex - start + 1);
}
if (tb.Text.Length > start && tb.Text[start] == '}')
{
start++;
}
tb.SelectionStart = start; // position cursor
}
}
