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#1080: dark theme support for the text viewer

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Paddy
2022-02-20 18:55:28 +01:00
parent c93be2cb51
commit 660dc88001
92 changed files with 71 additions and 30 deletions
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67
QuickLook.Plugin/QuickLook.Plugin.TextViewer/Plugin.cs
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@@ -16,6 +16,7 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
@@ -25,6 +26,7 @@ using System.Xml;
using ICSharpCode.AvalonEdit;
using ICSharpCode.AvalonEdit.Highlighting;
using ICSharpCode.AvalonEdit.Highlighting.Xshd;
using QuickLook.Common.Helpers;
using QuickLook.Common.Plugin;
namespace QuickLook.Plugin.TextViewer
@@ -33,33 +35,18 @@ namespace QuickLook.Plugin.TextViewer
{
private TextViewerPanel _tvp;
private static HighlightingManager _hlmLight;
private static HighlightingManager _hlmDark;
public int Priority => -5;
public void Init()
{
var hlm = HighlightingManager.Instance;
var assemblyPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
if (string.IsNullOrEmpty(assemblyPath)) return;
var syntaxPath = Path.Combine(assemblyPath, "Syntax");
if (!Directory.Exists(syntaxPath)) return;
foreach (var file in Directory.EnumerateFiles(syntaxPath, "*.xshd"))
{
var ext = Path.GetFileNameWithoutExtension(file);
using (Stream s = File.OpenRead(Path.GetFullPath(file)))
using (var reader = new XmlTextReader(s))
{
var xshd = HighlightingLoader.LoadXshd(reader);
var highlightingDefinition = HighlightingLoader.Load(xshd, hlm);
if (xshd.Extensions.Count > 0)
hlm.RegisterHighlighting(ext, xshd.Extensions.ToArray(), highlightingDefinition);
}
}
// pre-load
var _ = new TextEditor();
_hlmLight = getHighlightingManager(Themes.Light, "Light");
_hlmDark = getHighlightingManager(Themes.Dark, "Dark");
}
public bool CanHandle(string path)
@@ -87,8 +74,6 @@ namespace QuickLook.Plugin.TextViewer
public void Prepare(string path, ContextObject context)
{
//context.Theme = Themes.Light;
context.PreferredSize = new Size {Width = 800, Height = 600};
}
@@ -109,6 +94,8 @@ namespace QuickLook.Plugin.TextViewer
else
{
_tvp = new TextViewerPanel(path, context);
AssignHighlightingManager(_tvp, context);
context.ViewerContent = _tvp;
}
context.Title = $"{Path.GetFileName(path)}";
@@ -128,5 +115,39 @@ namespace QuickLook.Plugin.TextViewer
return true;
}
private HighlightingManager getHighlightingManager(Themes theme, string dirName)
{
var hlm = new HighlightingManager();
var assemblyPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
if (string.IsNullOrEmpty(assemblyPath))
return hlm;
var syntaxPath = Path.Combine(assemblyPath, "Syntax", dirName);
if (!Directory.Exists(syntaxPath))
return hlm;
foreach (var file in Directory.EnumerateFiles(syntaxPath, "*.xshd"))
{
Debug.WriteLine(file);
var ext = Path.GetFileNameWithoutExtension(file);
using (Stream s = File.OpenRead(Path.GetFullPath(file)))
using (var reader = new XmlTextReader(s))
{
var xshd = HighlightingLoader.LoadXshd(reader);
var highlightingDefinition = HighlightingLoader.Load(xshd, hlm);
if (xshd.Extensions.Count > 0)
hlm.RegisterHighlighting(ext, xshd.Extensions.ToArray(), highlightingDefinition);
}
}
return hlm;
}
private void AssignHighlightingManager(TextViewerPanel tvp, ContextObject context)
{
var isDark = (context.Theme == Themes.Dark) | OSThemeHelper.AppsUseDarkTheme() | false;
tvp.HighlightingManager = isDark ? _hlmDark : _hlmLight;
}
}
}