private static ResourceDictionary GetColourResources(ThemeConfiguration config, AssemblyName asm)
{
var colourResources = new ResourceDictionary();
if (config.GetColourMode() == ThemeColourMode.Light)
{
colourResources.MergedDictionaries.Add(new ResourceDictionary()
{
Source = new Uri($"pack://application:,,,/{asm.Name};component/Themes/LightColours.xaml", UriKind.Absolute)
});
}
else
{
colourResources.MergedDictionaries.Add(new ResourceDictionary()
{
Source = new Uri($"pack://application:,,,/{asm.Name};component/Themes/DarkColours.xaml", UriKind.Absolute)
});
}
var accent = config.GetAccentColour();
var accentLightness = 0.299 * ((double)accent.R / 255) + 0.587 * ((double)accent.G / 255) + 0.114 * ((double)accent.B / 255);
colourResources["SystemAccentColor"] = accent;
colourResources["SystemAccentLighten3Brush"] = new SolidColorBrush(accent.Lighten(0.6f));
colourResources["SystemAccentLighten2Brush"] = new SolidColorBrush(accent.Lighten(0.4f));
colourResources["SystemAccentLighten1Brush"] = new SolidColorBrush(accent.Lighten(0.2f));
colourResources["SystemAccentBrush"] = new SolidColorBrush(accent);
colourResources["SystemAccentDarken1Brush"] = new SolidColorBrush(accent.Darken(0.2f));
colourResources["SystemAccentDarken2Brush"] = new SolidColorBrush(accent.Darken(0.4f));
colourResources["SystemAccentDarken3Brush"] = new SolidColorBrush(accent.Darken(0.6f));
colourResources["SystemAccentForegroundBrush"] = new SolidColorBrush(accentLightness > 0.5 ? Colors.Black : Colors.White);
colourResources["SystemAccentBackgroundBrush"] = new SolidColorBrush(accent)
{
Opacity = 0.5
};
return(colourResources);
}
private static void LoadTheme(ThemeConfiguration config, ResourceDictionary current)
{
CurrentConfiguration = config;
var asm = Assembly.GetExecutingAssembly().GetName();
current["SystemFontFamily"] = config.FontFamily;
current["SystemFontSize"] = config.FontSize;
current["SystemMonospaceFontFamily"] = config.MonospaceFontFamily;
current["SystemMonospaceFontSize"] = config.MonospaceFontSize;
var colourResources = GetColourResources(config, asm);
current.MergedDictionaries.Add(colourResources);
SystemEvents.UserPreferenceChanged += (o, e) =>
{
if (e.Category == UserPreferenceCategory.General)
{
current.MergedDictionaries.Remove(colourResources);
colourResources = GetColourResources(config, asm);
current.MergedDictionaries.Add(colourResources);
foreach (var item in Application.Current.Windows.OfType <Window>())
{
item.InvalidateVisual();
}
}
};
if (!config.NoLoad)
{
current.MergedDictionaries.Add(new ResourceDictionary()
{
Source = new Uri($"pack://application:,,,/{asm.Name};component/Themes/All.xaml", UriKind.Absolute)
});
}
}
public static void SetTheme(FrameworkElement element, ThemeConfiguration config)
{
LoadTheme(config, element.Resources);
}
public static void SetTheme(ThemeConfiguration config)
{
LoadTheme(config, Application.Current.Resources);
}
