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Code Issues Projects Releases Wiki Activity

Some work on RichTextBox highlighting

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This commit is contained in:
OmrSi 2021-01-20 20:07:16 +02:00
parent 72bc110273
commit 359c90e18e
3 changed files with 101 additions and 96 deletions
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175
src/ui/Controls/SETextBox.cs
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@ -3,11 +3,13 @@ using Nikse.SubtitleEdit.Core.Common;
using Nikse.SubtitleEdit.Core.Enums;
using Nikse.SubtitleEdit.Core.Interfaces;
using Nikse.SubtitleEdit.Core.SpellCheck;
using Nikse.SubtitleEdit.Logic;
using Nikse.SubtitleEdit.Logic.SpellCheck;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Forms;
@ -27,11 +29,11 @@ namespace Nikse.SubtitleEdit.Controls
public new event MouseEventHandler MouseMove;
private bool _checkRtfChange = true;
private RichTextBox _richTextBoxTemp;
private RichTextBox _uiTextBox;
private SimpleTextBox _simpleTextBox;
private int _mouseMoveSelectionLength;
private bool _isLiveSpellCheckEnabled => Configuration.Settings.Tools.LiveSpellCheck;
private Hunspell _hunspell;
private SpellCheckWordLists _spellCheckWordLists;
private List<SpellCheckWord> _words;
@ -96,17 +98,14 @@ namespace Nikse.SubtitleEdit.Controls
BackColor = SystemColors.WindowFrame;
Controls.Clear();
_simpleTextBox?.Dispose();
_richTextBoxTemp?.Dispose();
_uiTextBox?.Dispose();
_simpleTextBox = null;
_uiTextBox = null;
_richTextBoxTemp = null;
if (useSyntaxColoring)
{
_richTextBoxTemp = new RichTextBox();
_uiTextBox = new RichTextBox { BorderStyle = BorderStyle.None, Multiline = true };
InitializeBackingControl(_uiTextBox);
UpdateFontAndColors(_uiTextBox);
_uiTextBox.TextChanged += TextChangedHighlight;
_uiTextBox.KeyPress += UiTextBox_KeyPress;
@ -156,7 +155,7 @@ namespace Nikse.SubtitleEdit.Controls
}
else if (args.KeyData == Keys.Right && _uiTextBox.SelectionStart >= _uiTextBox.Text.Length)
{
if (Configuration.Settings.Tools.LiveSpellCheck)
if (_isLiveSpellCheckEnabled)
{
IsSpellCheckRequested = true;
TextChangedHighlight(this, EventArgs.Empty);
@ -178,15 +177,7 @@ namespace Nikse.SubtitleEdit.Controls
var text = _uiTextBox.Text;
if (string.IsNullOrWhiteSpace(text) || text.Length > 1000)
{
if (Configuration.Settings.General.CenterSubtitleInTextBox)
{
SuspendLayout();
_richTextBoxTemp.Text = text;
_richTextBoxTemp.SelectAll();
_richTextBoxTemp.SelectionAlignment = HorizontalAlignment.Center;
ResumeLayout(false);
_uiTextBox.Rtf = _richTextBoxTemp.Rtf;
}
SetTextPosInRtbIfCentered();
}
};
}
@ -194,9 +185,9 @@ namespace Nikse.SubtitleEdit.Controls
{
_simpleTextBox = new SimpleTextBox { BorderStyle = BorderStyle.None, Multiline = true };
InitializeBackingControl(_simpleTextBox);
UpdateFontAndColors(_simpleTextBox);
}
UpdateFontAndColors();
if (oldContextMenuStrip != null)
{
ContextMenuStrip = oldContextMenuStrip;
@ -221,13 +212,6 @@ namespace Nikse.SubtitleEdit.Controls
textBox.MouseMove += (sender, args) => { MouseMove?.Invoke(sender, args); };
}
private void UpdateFontAndColors()
{
UpdateFontAndColors(_uiTextBox);
UpdateFontAndColors(_richTextBoxTemp);
UpdateFontAndColors(_simpleTextBox);
}
public void UpdateFontAndColors(Control textBox)
{
if (textBox == null)
@ -265,11 +249,11 @@ namespace Nikse.SubtitleEdit.Controls
if (_uiTextBox != null)
{
var s = _uiTextBox.Text;
if (_fixedArabicComma)
{
s = s.Replace("\u202A", string.Empty);
s = s.Replace("\u202A،", "،");
s = s.Replace("،\u202A", "،");
}
return string.Join(Environment.NewLine, s.SplitToLines());
@ -294,11 +278,11 @@ namespace Nikse.SubtitleEdit.Controls
string textNoTags = HtmlUtil.RemoveHtmlTags(s, true);
if (textNoTags.EndsWith('،'))
{
s = s.Replace("،", "\u202A،");
s = Regex.Replace(s, @"،(?=(?:<[^>]+>)?(?:{[^}]+})?)", "\u202A،");
}
else if (textNoTags.StartsWith('،'))
{
s = s.Replace("،", "،\u202A");
s = Regex.Replace(s, @"(?<=^(?:{[^}]+})?(?:<[^>]+>)?)،", "،\u202A");
}
_fixedArabicComma = true;
@ -586,17 +570,7 @@ namespace Nikse.SubtitleEdit.Controls
return;
}
var text = _uiTextBox.Text;
if (Configuration.Settings.General.CenterSubtitleInTextBox)
{
_richTextBoxTemp.RightToLeft = RightToLeft;
SuspendLayout();
_richTextBoxTemp.Text = text;
_richTextBoxTemp.SelectAll();
_richTextBoxTemp.SelectionAlignment = HorizontalAlignment.Center;
ResumeLayout(false);
_uiTextBox.Rtf = _richTextBoxTemp.Rtf;
}
SetTextPosInRtbIfCentered();
}
private int GetIndexWithLineBreak(int index)
@ -733,37 +707,73 @@ namespace Nikse.SubtitleEdit.Controls
}
}
private void DoFormattingActionOnRtb(Action formattingAction)
{
_uiTextBox.BeginRichTextBoxUpdate();
var start = _uiTextBox.SelectionStart;
var length = _uiTextBox.SelectionLength;
formattingAction();
_uiTextBox.SelectionStart = start;
_uiTextBox.SelectionLength = length;
_uiTextBox.EndRichTextBoxUpdate();
}
private void SetTextPosInRtbIfCentered()
{
if (Configuration.Settings.General.CenterSubtitleInTextBox)
{
DoFormattingActionOnRtb(() =>
{
_uiTextBox.SelectAll();
_uiTextBox.SelectionAlignment = HorizontalAlignment.Center;
});
}
}
private bool ContainsTags() =>
_uiTextBox.Text.Length != HtmlUtil.RemoveHtmlTags(_uiTextBox.Text, true).Length;
private void TagsChangedCheck()
{
if (!string.IsNullOrEmpty(_uiTextBoxOldText)
&& HtmlUtil.RemoveHtmlTags(_uiTextBoxOldText, true) == HtmlUtil.RemoveHtmlTags(_uiTextBox.Text, true))
{
IsSpellCheckRequested = true;
_uiTextBoxOldText = _uiTextBox.Text;
}
}
private void TextChangedHighlight(object sender, EventArgs e)
{
if (_checkRtfChange)
{
_checkRtfChange = false;
if (Configuration.Settings.Tools.LiveSpellCheck)
{
if (!string.IsNullOrEmpty(_uiTextBoxOldText)
&& HtmlUtil.RemoveHtmlTags(_uiTextBoxOldText, true) == HtmlUtil.RemoveHtmlTags(_uiTextBox.Text, true))
{
IsSpellCheckRequested = true;
}
_uiTextBoxOldText = _uiTextBox.Text;
// Request spell check if there is a change in tags to update highlighting indices.
if (_isLiveSpellCheckEnabled)
{
TagsChangedCheck();
}
if (ContainsTags() || IsSpellCheckRequested)
{
DoFormattingActionOnRtb(HighlightHtmlText);
}
HighlightHtmlText();
_checkRtfChange = true;
}
}
private void HighlightHtmlText()
{
var text = _uiTextBox.Text;
_richTextBoxTemp.SuspendLayout();
_richTextBoxTemp.Clear();
_richTextBoxTemp.Text = text;
_richTextBoxTemp.SelectAll();
_richTextBoxTemp.SelectionFont = _richTextBoxTemp.Font;
_richTextBoxTemp.SelectionColor = _richTextBoxTemp.ForeColor;
_uiTextBox.SelectAll();
_uiTextBox.SelectionColor = _uiTextBox.ForeColor;
_uiTextBox.SelectionBackColor = _uiTextBox.BackColor;
if (Configuration.Settings.General.CenterSubtitleInTextBox)
{
_uiTextBox.SelectionAlignment = HorizontalAlignment.Center;
}
bool htmlTagOn = false;
bool htmlTagFontOn = false;
@ -775,6 +785,7 @@ namespace Nikse.SubtitleEdit.Controls
bool assaShadowColorTagOn = false;
var assaTagStart = -1;
int tagOn = -1;
var text = _uiTextBox.Text;
var textLength = text.Length;
int i = 0;
@ -786,9 +797,9 @@ namespace Nikse.SubtitleEdit.Controls
if (ch == '}' && tagOn >= 0)
{
assaTagOn = false;
_richTextBoxTemp.SelectionStart = assaTagStart;
_richTextBoxTemp.SelectionLength = i - assaTagStart + 1;
_richTextBoxTemp.SelectionColor = Configuration.Settings.General.SubtitleTextBoxAssColor;
_uiTextBox.SelectionStart = assaTagStart;
_uiTextBox.SelectionLength = i - assaTagStart + 1;
_uiTextBox.SelectionColor = Configuration.Settings.General.SubtitleTextBoxAssColor;
if (assaTagStart >= 0)
{
if (assaPrimaryColorTagOn)
@ -825,9 +836,9 @@ namespace Nikse.SubtitleEdit.Controls
if (ch == '>' && tagOn >= 0)
{
htmlTagOn = false;
_richTextBoxTemp.SelectionStart = htmlTagStart;
_richTextBoxTemp.SelectionLength = i - htmlTagStart + 1;
_richTextBoxTemp.SelectionColor = Configuration.Settings.General.SubtitleTextBoxHtmlColor;
_uiTextBox.SelectionStart = htmlTagStart;
_uiTextBox.SelectionLength = i - htmlTagStart + 1;
_uiTextBox.SelectionColor = Configuration.Settings.General.SubtitleTextBoxHtmlColor;
if (htmlTagFontOn && htmlTagStart >= 0)
{
SetHtmlColor(text, htmlTagStart);
@ -872,41 +883,20 @@ namespace Nikse.SubtitleEdit.Controls
i++;
}
if (Configuration.Settings.General.CenterSubtitleInTextBox)
{
_richTextBoxTemp.SelectAll();
_richTextBoxTemp.SelectionAlignment = HorizontalAlignment.Center;
}
if (Configuration.Settings.Tools.LiveSpellCheck)
if (IsSpellCheckRequested)
{
DoLiveSpellCheck();
if (_wrongWords?.Count > 0)
{
foreach (var wrongWord in _wrongWords)
{
_richTextBoxTemp.Select(GetIndexWithLineBreak(wrongWord.Index), wrongWord.Length);
_richTextBoxTemp.SelectionColor = Configuration.Settings.Tools.ListViewSyntaxErrorColor;
_uiTextBox.Select(GetIndexWithLineBreak(wrongWord.Index), wrongWord.Length);
_uiTextBox.SelectionColor = Configuration.Settings.Tools.ListViewSyntaxErrorColor;
}
}
IsSpellCheckRequested = false;
}
_richTextBoxTemp.ResumeLayout(false);
if (_uiTextBox.Text.Length != text.Length)
{
return;
}
var start = SelectionStart;
var length = SelectionLength;
SuspendLayout();
_uiTextBox.Rtf = _richTextBoxTemp.Rtf;
SelectionStart = start;
SelectionLength = length;
ResumeLayout(true);
}
private void SetHtmlColor(string text, int htmlTagStart)
@ -984,15 +974,15 @@ namespace Nikse.SubtitleEdit.Controls
private void SetForeColorAndChangeBackColorIfClose(int colorStart, int colorEnd, Color c)
{
var backColor = _richTextBoxTemp.BackColor;
_richTextBoxTemp.SelectionStart = colorStart;
_richTextBoxTemp.SelectionLength = colorEnd - colorStart;
_richTextBoxTemp.SelectionColor = c;
var backColor = _uiTextBox.BackColor;
_uiTextBox.SelectionStart = colorStart;
_uiTextBox.SelectionLength = colorEnd - colorStart;
_uiTextBox.SelectionColor = c;
var diff = Math.Abs(c.R - backColor.R) + Math.Abs(c.G - backColor.G) + Math.Abs(c.B - backColor.B);
if (diff < 60)
{
_richTextBoxTemp.SelectionBackColor = Color.FromArgb(byte.MaxValue - c.R, byte.MaxValue - c.G, byte.MaxValue - c.B, byte.MaxValue - c.R);
_uiTextBox.SelectionBackColor = Color.FromArgb(byte.MaxValue - c.R, byte.MaxValue - c.G, byte.MaxValue - c.B, byte.MaxValue - c.R);
}
}
@ -1096,6 +1086,7 @@ namespace Nikse.SubtitleEdit.Controls
if (Configuration.Settings.General.SubtitleTextBoxSyntaxColor)
{
IsSpellCheckRequested = true;
TextChangedHighlight(this, EventArgs.Empty);
}
}
@ -1291,7 +1282,7 @@ namespace Nikse.SubtitleEdit.Controls
private void UiTextBox_KeyDown(object sender, KeyEventArgs e)
{
if (Configuration.Settings.Tools.LiveSpellCheck && e.KeyCode == Keys.Apps && _wrongWords?.Count > 0)
if (_isLiveSpellCheckEnabled && e.KeyCode == Keys.Apps && _wrongWords?.Count > 0)
{
var cursorPos = _uiTextBox.SelectionStart;
var wrongWord = _wrongWords.Where(word => cursorPos > GetIndexWithLineBreak(word.Index) && cursorPos < GetIndexWithLineBreak(word.Index) + word.Length).FirstOrDefault();
@ -1309,7 +1300,7 @@ namespace Nikse.SubtitleEdit.Controls
private void UiTextBox_KeyPress(object sender, KeyPressEventArgs e)
{
if (Configuration.Settings.Tools.LiveSpellCheck && SplitChars.Contains(e.KeyChar)
if (_isLiveSpellCheckEnabled && SplitChars.Contains(e.KeyChar)
&& _uiTextBox.SelectionStart == _uiTextBox.Text.Length || _uiTextBox.SelectionStart != _uiTextBox.Text.Length)
{
IsSpellCheckRequested = true;

10
src/ui/Logic/NativeMethods.cs
View File

@ -39,9 +39,6 @@ namespace Nikse.SubtitleEdit.Logic
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool FreeLibrary(IntPtr hModule);
[DllImport("user32.dll")]
internal static extern short GetKeyState(int vKey);
[DllImport("kernel32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool AttachConsole(int dwProcessId);
@ -51,9 +48,16 @@ namespace Nikse.SubtitleEdit.Logic
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool FreeConsole();
[DllImport("user32.dll")]
internal static extern short GetKeyState(int vKey);
[DllImport("user32.dll", EntryPoint = "SetWindowPos")]
internal static extern IntPtr SetWindowPos(IntPtr hWnd, int hWndInsertAfter, int x, int y, int width, int height, int wFlags);
[DllImport("user32.dll")]
internal static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wp, IntPtr lp);
internal const int WM_SETREDRAW = 0x0b;
[DllImport("dwmapi.dll")]
internal static extern int DwmSetWindowAttribute(IntPtr hwnd, int attr, ref int attrValue, int attrSize);

12
src/ui/Logic/UiUtil.cs
View File

@ -407,9 +407,10 @@ namespace Nikse.SubtitleEdit.Logic
{
if (AllKeys.ContainsKey(k))
{
resultKeys = resultKeys | AllKeys[k];
resultKeys |= AllKeys[k];
}
}
return resultKeys;
}
@ -899,7 +900,16 @@ namespace Nikse.SubtitleEdit.Logic
comboBoxEncoding.SelectedIndex = TextEncoding.Utf8WithBomIndex; // UTF-8 with BOM
}
public static void BeginRichTextBoxUpdate(this RichTextBox richTextBox)
{
NativeMethods.SendMessage(richTextBox.Handle, NativeMethods.WM_SETREDRAW, (IntPtr)0, IntPtr.Zero);
}
public static void EndRichTextBoxUpdate(this RichTextBox richTextBox)
{
NativeMethods.SendMessage(richTextBox.Handle, NativeMethods.WM_SETREDRAW, (IntPtr)1, IntPtr.Zero);
richTextBox.Invalidate();
}
private const string BreakChars = "\",:;.¡!¿?()[]{}<>♪♫-–—/#*|؟،";