mirror of
https://github.com/Flow-Launcher/Flow.Launcher.git
synced 2026-03-11 08:54:32 +00:00
544 lines
23 KiB
C#
544 lines
23 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Xml;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Markup;
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using System.Windows.Media;
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using System.Windows.Media.Effects;
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using Flow.Launcher.Infrastructure;
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using Flow.Launcher.Infrastructure.Logger;
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using Flow.Launcher.Infrastructure.UserSettings;
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using System.Windows.Shell;
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using static Flow.Launcher.Core.Resource.Theme.ParameterTypes;
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using System.Runtime.InteropServices;
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using System.Windows.Interop;
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namespace Flow.Launcher.Core.Resource
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{
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public class Theme
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{
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private const string ThemeMetadataNamePrefix = "Name:";
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private const string ThemeMetadataIsDarkPrefix = "IsDark:";
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private const string ThemeMetadataHasBlurPrefix = "HasBlur:";
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private const int ShadowExtraMargin = 32;
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private readonly List<string> _themeDirectories = new List<string>();
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private ResourceDictionary _oldResource;
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private string _oldTheme;
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public Settings Settings { get; set; }
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private const string Folder = Constant.Themes;
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private const string Extension = ".xaml";
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private string DirectoryPath => Path.Combine(Constant.ProgramDirectory, Folder);
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private string UserDirectoryPath => Path.Combine(DataLocation.DataDirectory(), Folder);
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public bool BlurEnabled { get; set; }
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private double mainWindowWidth;
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public Theme()
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{
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_themeDirectories.Add(DirectoryPath);
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_themeDirectories.Add(UserDirectoryPath);
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MakeSureThemeDirectoriesExist();
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var dicts = Application.Current.Resources.MergedDictionaries;
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_oldResource = dicts.First(d =>
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{
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if (d.Source == null)
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return false;
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var p = d.Source.AbsolutePath;
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var dir = Path.GetDirectoryName(p).NonNull();
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var info = new DirectoryInfo(dir);
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var f = info.Name;
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var e = Path.GetExtension(p);
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var found = f == Folder && e == Extension;
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return found;
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});
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_oldTheme = Path.GetFileNameWithoutExtension(_oldResource.Source.AbsolutePath);
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}
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#region Blur Handling
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public class ParameterTypes
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{
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[Flags]
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public enum DWMWINDOWATTRIBUTE
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{
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DWMWA_USE_IMMERSIVE_DARK_MODE = 20,
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DWMWA_SYSTEMBACKDROP_TYPE = 38,
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DWMWA_TRANSITIONS_FORCEDISABLED = 3,
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DWMWA_BORDER_COLOR
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct MARGINS
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{
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public int cxLeftWidth; // width of left border that retains its size
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public int cxRightWidth; // width of right border that retains its size
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public int cyTopHeight; // height of top border that retains its size
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public int cyBottomHeight; // height of bottom border that retains its size
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};
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}
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public static class Methods
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{
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[DllImport("DwmApi.dll")]
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static extern int DwmExtendFrameIntoClientArea(
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IntPtr hwnd,
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ref ParameterTypes.MARGINS pMarInset);
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[DllImport("dwmapi.dll")]
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static extern int DwmSetWindowAttribute(IntPtr hwnd, ParameterTypes.DWMWINDOWATTRIBUTE dwAttribute, ref int pvAttribute, int cbAttribute);
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public static int ExtendFrame(IntPtr hwnd, ParameterTypes.MARGINS margins)
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=> DwmExtendFrameIntoClientArea(hwnd, ref margins);
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public static int SetWindowAttribute(IntPtr hwnd, ParameterTypes.DWMWINDOWATTRIBUTE attribute, int parameter)
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=> DwmSetWindowAttribute(hwnd, attribute, ref parameter, Marshal.SizeOf<int>());
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}
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Window mainWindow = Application.Current.MainWindow;
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public void RefreshFrame()
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{
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IntPtr mainWindowPtr = new WindowInteropHelper(mainWindow).Handle;
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HwndSource mainWindowSrc = HwndSource.FromHwnd(mainWindowPtr);
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//mainWindowSrc.CompositionTarget.BackgroundColor = Color.FromArgb(0, 255, 181, 178);
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ParameterTypes.MARGINS margins = new ParameterTypes.MARGINS();
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margins.cxLeftWidth = -1;
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margins.cxRightWidth = -1;
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margins.cyTopHeight = -1;
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margins.cyBottomHeight = -1;
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Methods.ExtendFrame(mainWindowSrc.Handle, margins);
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// Remove OS minimizing/maximizing animation
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Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_TRANSITIONS_FORCEDISABLED, 3);
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//Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_BORDER_COLOR, 0x00FF0000);
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Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_SYSTEMBACKDROP_TYPE, 3);
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SetBlurForWindow();
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}
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/// <summary>
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/// Sets the blur for a window via SetWindowCompositionAttribute
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/// </summary>
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public void SetBlurForWindow()
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{
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//SetWindowAccent();
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var dict = GetThemeResourceDictionary(Settings.Theme);
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var windowBorderStyle = dict["WindowBorderStyle"] as Style;
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if (BlurEnabled)
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{
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windowBorderStyle.Setters.Remove(windowBorderStyle.Setters.OfType<Setter>().FirstOrDefault(x => x.Property.Name == "Background"));
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windowBorderStyle.Setters.Add(new Setter(Border.BackgroundProperty, new SolidColorBrush(Colors.Transparent)));
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//mainWindow.WindowStyle = WindowStyle.SingleBorderWindow;
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Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_SYSTEMBACKDROP_TYPE, 3);
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BlurColor(BlurMode());
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}
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else
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{
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mainWindow.WindowStyle = WindowStyle.None;
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if (windowBorderStyle.Setters.OfType<Setter>().FirstOrDefault(x => x.Property.Name == "Background") != null)
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{
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windowBorderStyle.Setters.Add(windowBorderStyle.Setters.OfType<Setter>().FirstOrDefault(x => x.Property.Name == "Background"));
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}
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Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_SYSTEMBACKDROP_TYPE, 1);
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}
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UpdateResourceDictionary(dict);
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}
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public void BlurColor(string Color)
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{
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if (Color == "Light")
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{
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Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_USE_IMMERSIVE_DARK_MODE, 0);
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}
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else if (Color == "Dark")
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{
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Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_USE_IMMERSIVE_DARK_MODE, 1);
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}
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else /* Case of "Auto" Blur Type Theme */
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{
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//if (_isDarkTheme())
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//{
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// Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_USE_IMMERSIVE_DARK_MODE, 1);
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//}
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//else
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//{
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// Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_USE_IMMERSIVE_DARK_MODE, 0);
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//}
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Methods.SetWindowAttribute(new WindowInteropHelper(mainWindow).Handle, DWMWINDOWATTRIBUTE.DWMWA_USE_IMMERSIVE_DARK_MODE, 1);
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}
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}
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public bool IsBlurTheme()
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{
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if (Environment.OSVersion.Version >= new Version(6, 2))
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{
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var resource = Application.Current.TryFindResource("ThemeBlurEnabled");
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if (resource is bool)
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return (bool)resource;
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return false;
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}
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return false;
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}
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public string BlurMode()
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{
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if (Environment.OSVersion.Version >= new Version(6, 2))
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{
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var resource = Application.Current.TryFindResource("BlurMode");
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if (resource is string)
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return (string)resource;
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return null;
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}
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return null;
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}
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#endregion
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private void MakeSureThemeDirectoriesExist()
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{
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foreach (var dir in _themeDirectories.Where(dir => !Directory.Exists(dir)))
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{
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try
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{
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Directory.CreateDirectory(dir);
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}
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catch (Exception e)
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{
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Log.Exception($"|Theme.MakesureThemeDirectoriesExist|Exception when create directory <{dir}>", e);
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}
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}
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}
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public bool ChangeTheme(string theme)
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{
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const string defaultTheme = Constant.DefaultTheme;
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string path = GetThemePath(theme);
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try
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{
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if (string.IsNullOrEmpty(path))
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throw new DirectoryNotFoundException("Theme path can't be found <{path}>");
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// reload all resources even if the theme itself hasn't changed in order to pickup changes
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// to things like fonts
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UpdateResourceDictionary(GetResourceDictionary(theme));
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Settings.Theme = theme;
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//always allow re-loading default theme, in case of failure of switching to a new theme from default theme
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if (_oldTheme != theme || theme == defaultTheme)
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{
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_oldTheme = Path.GetFileNameWithoutExtension(_oldResource.Source.AbsolutePath);
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}
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BlurEnabled = Win32Helper.IsBlurTheme();
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if (Settings.UseDropShadowEffect && !BlurEnabled)
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AddDropShadowEffectToCurrentTheme();
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Win32Helper.SetBlurForWindow(Application.Current.MainWindow, BlurEnabled);
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//Win32Helper.SetMicaForWindow(Application.Current.MainWindow, BlurEnabled);
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}
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catch (DirectoryNotFoundException)
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{
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Log.Error($"|Theme.ChangeTheme|Theme <{theme}> path can't be found");
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if (theme != defaultTheme)
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{
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MessageBoxEx.Show(string.Format(InternationalizationManager.Instance.GetTranslation("theme_load_failure_path_not_exists"), theme));
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ChangeTheme(defaultTheme);
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}
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return false;
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}
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catch (XamlParseException)
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{
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Log.Error($"|Theme.ChangeTheme|Theme <{theme}> fail to parse");
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if (theme != defaultTheme)
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{
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MessageBoxEx.Show(string.Format(InternationalizationManager.Instance.GetTranslation("theme_load_failure_parse_error"), theme));
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ChangeTheme(defaultTheme);
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}
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return false;
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}
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return true;
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}
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private void UpdateResourceDictionary(ResourceDictionary dictionaryToUpdate)
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{
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var dicts = Application.Current.Resources.MergedDictionaries;
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dicts.Remove(_oldResource);
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dicts.Add(dictionaryToUpdate);
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_oldResource = dictionaryToUpdate;
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}
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private ResourceDictionary GetThemeResourceDictionary(string theme)
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{
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var uri = GetThemePath(theme);
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var dict = new ResourceDictionary
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{
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Source = new Uri(uri, UriKind.Absolute)
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};
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return dict;
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}
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private ResourceDictionary CurrentThemeResourceDictionary() => GetThemeResourceDictionary(Settings.Theme);
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public ResourceDictionary GetResourceDictionary(string theme)
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{
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var dict = GetThemeResourceDictionary(theme);
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if (dict["QueryBoxStyle"] is Style queryBoxStyle &&
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dict["QuerySuggestionBoxStyle"] is Style querySuggestionBoxStyle)
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{
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var fontFamily = new FontFamily(Settings.QueryBoxFont);
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var fontStyle = FontHelper.GetFontStyleFromInvariantStringOrNormal(Settings.QueryBoxFontStyle);
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var fontWeight = FontHelper.GetFontWeightFromInvariantStringOrNormal(Settings.QueryBoxFontWeight);
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var fontStretch = FontHelper.GetFontStretchFromInvariantStringOrNormal(Settings.QueryBoxFontStretch);
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queryBoxStyle.Setters.Add(new Setter(TextBox.FontFamilyProperty, fontFamily));
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queryBoxStyle.Setters.Add(new Setter(TextBox.FontStyleProperty, fontStyle));
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queryBoxStyle.Setters.Add(new Setter(TextBox.FontWeightProperty, fontWeight));
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queryBoxStyle.Setters.Add(new Setter(TextBox.FontStretchProperty, fontStretch));
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var caretBrushPropertyValue = queryBoxStyle.Setters.OfType<Setter>().Any(x => x.Property.Name == "CaretBrush");
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var foregroundPropertyValue = queryBoxStyle.Setters.OfType<Setter>().Where(x => x.Property.Name == "Foreground")
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.Select(x => x.Value).FirstOrDefault();
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if (!caretBrushPropertyValue && foregroundPropertyValue != null) //otherwise BaseQueryBoxStyle will handle styling
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queryBoxStyle.Setters.Add(new Setter(TextBox.CaretBrushProperty, foregroundPropertyValue));
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// Query suggestion box's font style is aligned with query box
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querySuggestionBoxStyle.Setters.Add(new Setter(TextBox.FontFamilyProperty, fontFamily));
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querySuggestionBoxStyle.Setters.Add(new Setter(TextBox.FontStyleProperty, fontStyle));
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querySuggestionBoxStyle.Setters.Add(new Setter(TextBox.FontWeightProperty, fontWeight));
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querySuggestionBoxStyle.Setters.Add(new Setter(TextBox.FontStretchProperty, fontStretch));
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}
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if (dict["ItemTitleStyle"] is Style resultItemStyle &&
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dict["ItemTitleSelectedStyle"] is Style resultItemSelectedStyle &&
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dict["ItemHotkeyStyle"] is Style resultHotkeyItemStyle &&
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dict["ItemHotkeySelectedStyle"] is Style resultHotkeyItemSelectedStyle)
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{
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Setter fontFamily = new Setter(TextBlock.FontFamilyProperty, new FontFamily(Settings.ResultFont));
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Setter fontStyle = new Setter(TextBlock.FontStyleProperty, FontHelper.GetFontStyleFromInvariantStringOrNormal(Settings.ResultFontStyle));
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Setter fontWeight = new Setter(TextBlock.FontWeightProperty, FontHelper.GetFontWeightFromInvariantStringOrNormal(Settings.ResultFontWeight));
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Setter fontStretch = new Setter(TextBlock.FontStretchProperty, FontHelper.GetFontStretchFromInvariantStringOrNormal(Settings.ResultFontStretch));
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Setter[] setters = { fontFamily, fontStyle, fontWeight, fontStretch };
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Array.ForEach(
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new[] { resultItemStyle, resultItemSelectedStyle, resultHotkeyItemStyle, resultHotkeyItemSelectedStyle }, o
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=> Array.ForEach(setters, p => o.Setters.Add(p)));
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}
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if (
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dict["ItemSubTitleStyle"] is Style resultSubItemStyle &&
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dict["ItemSubTitleSelectedStyle"] is Style resultSubItemSelectedStyle)
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{
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Setter fontFamily = new Setter(TextBlock.FontFamilyProperty, new FontFamily(Settings.ResultSubFont));
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Setter fontStyle = new Setter(TextBlock.FontStyleProperty, FontHelper.GetFontStyleFromInvariantStringOrNormal(Settings.ResultSubFontStyle));
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Setter fontWeight = new Setter(TextBlock.FontWeightProperty, FontHelper.GetFontWeightFromInvariantStringOrNormal(Settings.ResultSubFontWeight));
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Setter fontStretch = new Setter(TextBlock.FontStretchProperty, FontHelper.GetFontStretchFromInvariantStringOrNormal(Settings.ResultSubFontStretch));
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Setter[] setters = { fontFamily, fontStyle, fontWeight, fontStretch };
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Array.ForEach(
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new[] { resultSubItemStyle,resultSubItemSelectedStyle}, o
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=> Array.ForEach(setters, p => o.Setters.Add(p)));
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}
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/* Ignore Theme Window Width and use setting */
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var windowStyle = dict["WindowStyle"] as Style;
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var width = Settings.WindowSize;
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windowStyle.Setters.Add(new Setter(Window.WidthProperty, width));
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mainWindowWidth = (double)width;
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return dict;
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}
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private ResourceDictionary GetCurrentResourceDictionary( )
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{
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return GetResourceDictionary(Settings.Theme);
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}
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public List<ThemeData> LoadAvailableThemes()
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{
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List<ThemeData> themes = new List<ThemeData>();
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foreach (var themeDirectory in _themeDirectories)
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{
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var filePaths = Directory
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.GetFiles(themeDirectory)
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.Where(filePath => filePath.EndsWith(Extension) && !filePath.EndsWith("Base.xaml"))
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.Select(GetThemeDataFromPath);
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themes.AddRange(filePaths);
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}
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return themes.OrderBy(o => o.Name).ToList();
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}
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private ThemeData GetThemeDataFromPath(string path)
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{
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using var reader = XmlReader.Create(path);
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reader.Read();
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var extensionlessName = Path.GetFileNameWithoutExtension(path);
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if (reader.NodeType is not XmlNodeType.Comment)
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return new ThemeData(extensionlessName, extensionlessName);
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var commentLines = reader.Value.Trim().Split('\n').Select(v => v.Trim());
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var name = extensionlessName;
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bool? isDark = null;
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bool? hasBlur = null;
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foreach (var line in commentLines)
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{
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if (line.StartsWith(ThemeMetadataNamePrefix, StringComparison.OrdinalIgnoreCase))
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{
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name = line.Remove(0, ThemeMetadataNamePrefix.Length).Trim();
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}
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else if (line.StartsWith(ThemeMetadataIsDarkPrefix, StringComparison.OrdinalIgnoreCase))
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{
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isDark = bool.Parse(line.Remove(0, ThemeMetadataIsDarkPrefix.Length).Trim());
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}
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else if (line.StartsWith(ThemeMetadataHasBlurPrefix, StringComparison.OrdinalIgnoreCase))
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{
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hasBlur = bool.Parse(line.Remove(0, ThemeMetadataHasBlurPrefix.Length).Trim());
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}
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}
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return new ThemeData(extensionlessName, name, isDark, hasBlur);
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}
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private string GetThemePath(string themeName)
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{
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foreach (string themeDirectory in _themeDirectories)
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{
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string path = Path.Combine(themeDirectory, themeName + Extension);
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if (File.Exists(path))
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{
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return path;
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}
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}
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return string.Empty;
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}
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public void AddDropShadowEffectToCurrentTheme()
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{
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var dict = GetCurrentResourceDictionary();
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var windowBorderStyle = dict["WindowBorderStyle"] as Style;
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var effectSetter = new Setter
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{
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Property = Border.EffectProperty,
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Value = new DropShadowEffect
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{
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Opacity = 0.3,
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ShadowDepth = 12,
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Direction = 270,
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BlurRadius = 30
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}
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};
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var marginSetter = windowBorderStyle.Setters.FirstOrDefault(setterBase => setterBase is Setter setter && setter.Property == Border.MarginProperty) as Setter;
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if (marginSetter == null)
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{
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var margin = new Thickness(ShadowExtraMargin, 12, ShadowExtraMargin, ShadowExtraMargin);
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marginSetter = new Setter()
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{
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Property = Border.MarginProperty,
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Value = margin,
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};
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windowBorderStyle.Setters.Add(marginSetter);
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SetResizeBoarderThickness(margin);
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}
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else
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{
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var baseMargin = (Thickness)marginSetter.Value;
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var newMargin = new Thickness(
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baseMargin.Left + ShadowExtraMargin,
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baseMargin.Top + ShadowExtraMargin,
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baseMargin.Right + ShadowExtraMargin,
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baseMargin.Bottom + ShadowExtraMargin);
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marginSetter.Value = newMargin;
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SetResizeBoarderThickness(newMargin);
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}
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windowBorderStyle.Setters.Add(effectSetter);
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UpdateResourceDictionary(dict);
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}
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public void RemoveDropShadowEffectFromCurrentTheme()
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{
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var dict = GetCurrentResourceDictionary();
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var windowBorderStyle = dict["WindowBorderStyle"] as Style;
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var effectSetter = windowBorderStyle.Setters.FirstOrDefault(setterBase => setterBase is Setter setter && setter.Property == Border.EffectProperty) as Setter;
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var marginSetter = windowBorderStyle.Setters.FirstOrDefault(setterBase => setterBase is Setter setter && setter.Property == Border.MarginProperty) as Setter;
|
|
|
|
if (effectSetter != null)
|
|
{
|
|
windowBorderStyle.Setters.Remove(effectSetter);
|
|
}
|
|
if (marginSetter != null)
|
|
{
|
|
var currentMargin = (Thickness)marginSetter.Value;
|
|
var newMargin = new Thickness(
|
|
currentMargin.Left - ShadowExtraMargin,
|
|
currentMargin.Top - ShadowExtraMargin,
|
|
currentMargin.Right - ShadowExtraMargin,
|
|
currentMargin.Bottom - ShadowExtraMargin);
|
|
marginSetter.Value = newMargin;
|
|
}
|
|
|
|
SetResizeBoarderThickness(null);
|
|
|
|
UpdateResourceDictionary(dict);
|
|
}
|
|
|
|
// because adding drop shadow effect will change the margin of the window,
|
|
// we need to update the window chrome thickness to correct set the resize border
|
|
private static void SetResizeBoarderThickness(Thickness? effectMargin)
|
|
{
|
|
var window = Application.Current.MainWindow;
|
|
if (WindowChrome.GetWindowChrome(window) is WindowChrome windowChrome)
|
|
{
|
|
Thickness thickness;
|
|
if (effectMargin == null)
|
|
{
|
|
thickness = SystemParameters.WindowResizeBorderThickness;
|
|
}
|
|
else
|
|
{
|
|
thickness = new Thickness(
|
|
effectMargin.Value.Left + SystemParameters.WindowResizeBorderThickness.Left,
|
|
effectMargin.Value.Top + SystemParameters.WindowResizeBorderThickness.Top,
|
|
effectMargin.Value.Right + SystemParameters.WindowResizeBorderThickness.Right,
|
|
effectMargin.Value.Bottom + SystemParameters.WindowResizeBorderThickness.Bottom);
|
|
}
|
|
|
|
windowChrome.ResizeBorderThickness = thickness;
|
|
}
|
|
}
|
|
|
|
public record ThemeData(string FileNameWithoutExtension, string Name, bool? IsDark = null, bool? HasBlur = null);
|
|
}
|
|
}
|