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Add a separate timer for live spell check

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This commit is contained in:
OmrSi 2021-02-08 18:01:42 +02:00
parent 53ba899d0b
commit 493059be7d
2 changed files with 58 additions and 16 deletions
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21
src/libse/Common/Subtitle.cs
View File

@ -789,6 +789,27 @@ namespace Nikse.SubtitleEdit.Core
hash = hash * 23 + p.Actor.GetHashCode();
}
}
return hash;
}
}
/// <summary>
/// Fast hash code for subtitle text.
/// </summary>
/// <returns>Hash value that can be used for quick text compare</returns>
public int GetFastHashCodeTextOnly()
{
unchecked // Overflow is fine, just wrap
{
int hash = 17;
var max = Paragraphs.Count;
for (int i = 0; i < max; i++)
{
var p = Paragraphs[i];
hash = hash * 23 + p.Text.GetHashCode();
}
return hash;
}
}

53
src/ui/Forms/Main.cs
View File

@ -94,6 +94,8 @@ namespace Nikse.SubtitleEdit.Forms
private bool _sourceViewChange;
private int _changeSubtitleHash = -1;
private int _changeOriginalSubtitleHash = -1;
private int _changeSubtitleTextHash = -1;
private Timer _liveSpellCheckTimer;
private int _subtitleListViewIndex = -1;
private Paragraph _oldSelectedParagraph;
private bool _converted;
@ -2241,10 +2243,8 @@ namespace Nikse.SubtitleEdit.Forms
}
}
private bool IsSubtitleLoaded
{
get { return _subtitle != null && (_subtitle.Paragraphs.Count > 1 || (_subtitle.Paragraphs.Count == 1 && !string.IsNullOrWhiteSpace(_subtitle.Paragraphs[0].Text))); }
}
private bool IsSubtitleLoaded =>
_subtitle != null && (_subtitle.Paragraphs.Count > 1 || (_subtitle.Paragraphs.Count == 1 && !string.IsNullOrWhiteSpace(_subtitle.Paragraphs[0].Text)));
private void ShowVisualSync(bool onlySelectedLines)
{
@ -4469,6 +4469,7 @@ namespace Nikse.SubtitleEdit.Forms
_subtitle = new Subtitle(_subtitle.HistoryItems);
_changeOriginalSubtitleHash = -1;
_changeSubtitleHash = _subtitle.GetFastHashCode(GetCurrentEncoding().BodyName);
_changeSubtitleTextHash = -1;
_subtitleOriginalFileName = null;
textBoxSource.Text = string.Empty;
SubtitleListview1.Items.Clear();
@ -5161,6 +5162,8 @@ namespace Nikse.SubtitleEdit.Forms
textBoxListViewText.DisposeHunspellAndDictionaries();
}
StartOrStopLiveSpellCheckTimer();
textBoxListViewText.BackColor = !IsSubtitleLoaded ? SystemColors.ActiveBorder : SystemColors.WindowFrame;
textBoxListViewTextOriginal.BackColor = !IsSubtitleLoaded ? SystemColors.ActiveBorder : SystemColors.WindowFrame;
@ -7328,18 +7331,41 @@ namespace Nikse.SubtitleEdit.Forms
}
}
private void StartOrStopLiveSpellCheckTimer()
{
if (_liveSpellCheckTimer is null && IsLiveSpellCheckEnabled)
{
_liveSpellCheckTimer = new Timer { Interval = 2000 };
_liveSpellCheckTimer.Tick += LiveSpellCheckTimer_Tick;
_liveSpellCheckTimer.Start();
}
else
{
_liveSpellCheckTimer?.Dispose();
}
}
private async void LiveSpellCheckTimer_Tick(object sender, EventArgs e)
{
_liveSpellCheckTimer.Stop();
await InitializeLiveSpellChcek();
_liveSpellCheckTimer.Start();
}
private async Task InitializeLiveSpellChcek()
{
if (IsSubtitleLoaded)
{
if (textBoxListViewText.IsSpellCheckerInitialized || !textBoxListViewText.IsDictionaryDownloaded)
{
await textBoxListViewText.CheckForLanguageChange(_subtitle);
}
else
var hash = _subtitle.GetFastHashCodeTextOnly();
if (!textBoxListViewText.IsSpellCheckerInitialized && textBoxListViewText.IsDictionaryDownloaded)
{
await textBoxListViewText.InitializeLiveSpellCheck(_subtitle, FirstSelectedIndex);
}
else if (_changeSubtitleTextHash != hash)
{
await textBoxListViewText.CheckForLanguageChange(_subtitle);
_changeSubtitleTextHash = hash;
}
if (textBoxListViewText.LanguageChanged)
{
@ -19582,7 +19608,7 @@ namespace Nikse.SubtitleEdit.Forms
GoBackSeconds(-60);
}
private async void ShowSubtitleTimerTick(object sender, EventArgs e)
private void ShowSubtitleTimerTick(object sender, EventArgs e)
{
ShowSubtitleTimer.Stop();
@ -19630,11 +19656,6 @@ namespace Nikse.SubtitleEdit.Forms
Text = Text.RemoveChar('*').TrimEnd();
}
if (IsLiveSpellCheckEnabled)
{
await InitializeLiveSpellChcek();
}
ShowSubtitleTimer.Start();
}
@ -21272,6 +21293,7 @@ namespace Nikse.SubtitleEdit.Forms
toolStripButtonToggleVideo_Click(null, null);
StartOrStopAutoBackup();
StartOrStopLiveSpellCheckTimer();
SetPositionFromXYString(Configuration.Settings.General.UndockedVideoPosition, "VideoPlayerUndocked");
SetPositionFromXYString(Configuration.Settings.General.UndockedWaveformPosition, "WaveformUndocked");
@ -22165,7 +22187,6 @@ namespace Nikse.SubtitleEdit.Forms
private string _lastWrittenAutoBackup = string.Empty;
private bool _showAutoBackupError = true;
private void TimerAutoBackupTick(object sender, EventArgs e)
{
string currentText = string.Empty;