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feat: dark mode support for pyRevit WPF forms #3582

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feat: dark mode support for pyRevit WPF forms #3582

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33e9b65
feat(forms): add dark mode support with dynamic theme
romangolev Aug 21, 2026
21559ec
fix(forms): refresh dockable panel colors on live theme change
romangolev Aug 21, 2026
bce3469
feat(forms): theme editable combo box and inline list view item
romangolev Aug 25, 2026
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31 changes: 31 additions & 0 deletions dev/pyRevitLabs/pyRevitLabs.Common/Unmanaged.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,37 @@ public static RECT GetWindowRect(IntPtr windowHandle) {
}
}

public static class DwmApi {
private const int DWMWA_USE_IMMERSIVE_DARK_MODE = 20;
private const int DWMWA_USE_IMMERSIVE_DARK_MODE_OLD = 19;
private const int DWMWA_CAPTION_COLOR = 35;
private const int DWMWA_TEXT_COLOR = 36;

[DllImport("dwmapi.dll", PreserveSig = true)]
private static extern int DwmSetWindowAttribute(IntPtr hwnd, int dwAttribute, ref int pvAttribute, int cbAttribute);

private static bool TrySetAttribute(IntPtr hwnd, int attribute, int value) {
return DwmSetWindowAttribute(hwnd, attribute, ref value, sizeof(int)) == 0;
}

// Asks DWM to render a window's native title bar using the OS dark-mode
// palette (Windows 10 20H1+/Windows 11). Silently no-ops on older Windows.
public static void SetImmersiveDarkMode(IntPtr hwnd, bool enabled) {
int value = enabled ? 1 : 0;
if (!TrySetAttribute(hwnd, DWMWA_USE_IMMERSIVE_DARK_MODE, value)) {
TrySetAttribute(hwnd, DWMWA_USE_IMMERSIVE_DARK_MODE_OLD, value);
}
}

// Sets the exact title bar background/text colors (Windows 11 22000+
// only; silently no-ops on Windows 10, which falls back to whatever
// SetImmersiveDarkMode picked). Colors are 0x00BBGGRR COLORREFs.
public static void SetTitleBarColors(IntPtr hwnd, int captionColorRef, int textColorRef) {
TrySetAttribute(hwnd, DWMWA_CAPTION_COLOR, captionColorRef);
TrySetAttribute(hwnd, DWMWA_TEXT_COLOR, textColorRef);
}
}

public static class Shell32 {
[DllImport("Shell32.dll")]
public static extern int SHGetKnownFolderPath(
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13 changes: 4 additions & 9 deletions ...evitCore.extension/pyRevit.tab/pyRevit.panel/Extensions.smartbutton/ExtensionsWindow.xaml
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Original file line number Diff line number Diff line change
Expand Up @@ -3,12 +3,8 @@
Title="{DynamicResource Window.Title}" Height="750" Width="1000" ShowInTaskbar="False" ResizeMode="CanResize"
WindowStartupLocation="CenterScreen" HorizontalContentAlignment="Center">
<Window.Resources>
<Style x:Key="ClearButton" TargetType="Button">
<Setter Property="Background" Value="White"/>
</Style>

<Canvas x:Key="filterIcon">
<Path Canvas.Top="-28" Canvas.Left="-25" Data="F1 M 45.4403,56.9637L 45.4403,55.0463L 52.8201,44.5143L 52.8201,44.4237L 46.13,44.4237L 46.13,41.4774L 57.372,41.4774L 57.372,43.5352L 50.1532,53.9265L 50.1532,54.0174L 57.4869,54.0174L 57.4869,56.9637L 45.4403,56.9637 Z M 34.8333,61.75L 34.8333,42.75L 19,20.5833L 57,20.5833L 41.1667,42.75L 41.1667,58.5833L 34.8333,61.75 Z M 25.903,52.8055L 21.4072,52.8055L 20.289,56.9855L 16.6085,56.9855L 21.4072,41.4556L 26.0661,41.4556L 30.9337,56.9855L 27.1143,56.9855L 25.903,52.8055 Z M 21.9196,50.2801L 25.3905,50.2801L 24.4122,46.9804L 23.9987,45.4806L 23.6201,43.981L 23.5736,43.981L 23.2212,45.4941L 22.8514,47.0194L 21.9196,50.2801 Z " Fill="DimGray"/>
<Path Canvas.Top="-28" Canvas.Left="-25" Data="F1 M 45.4403,56.9637L 45.4403,55.0463L 52.8201,44.5143L 52.8201,44.4237L 46.13,44.4237L 46.13,41.4774L 57.372,41.4774L 57.372,43.5352L 50.1532,53.9265L 50.1532,54.0174L 57.4869,54.0174L 57.4869,56.9637L 45.4403,56.9637 Z M 34.8333,61.75L 34.8333,42.75L 19,20.5833L 57,20.5833L 41.1667,42.75L 41.1667,58.5833L 34.8333,61.75 Z M 25.903,52.8055L 21.4072,52.8055L 20.289,56.9855L 16.6085,56.9855L 21.4072,41.4556L 26.0661,41.4556L 30.9337,56.9855L 27.1143,56.9855L 25.903,52.8055 Z M 21.9196,50.2801L 25.3905,50.2801L 24.4122,46.9804L 23.9987,45.4806L 23.6201,43.981L 23.5736,43.981L 23.2212,45.4941L 22.8514,47.0194L 21.9196,50.2801 Z " Fill="{Binding Foreground, RelativeSource={RelativeSource AncestorType=Window}}"/>
</Canvas>

<Style TargetType="{x:Type Hyperlink}">
Expand Down Expand Up @@ -37,11 +33,10 @@
<Button x:Name="clrsearch_b" Visibility="Collapsed" Margin="0,-25,2,0" Padding="0,-4,0,0"
Width="22px" Height="22px" HorizontalAlignment="Right"
BorderThickness="0"
Style="{StaticResource ClearButton}"
Click="clear_search">
<Button.Content>
<Canvas Width="25" Height="25" VerticalAlignment="Center" HorizontalAlignment="Center">
<Path Canvas.Top="3" Canvas.Left="1" Data="M19,6.41L17.59,5L12,10.59L6.41,5L5,6.41L10.59,12L5,17.59L6.41,19L12,13.41L17.59,19L19,17.59L13.41,12L19,6.41Z" Fill="DimGray" />
<Path Canvas.Top="3" Canvas.Left="1" Data="M19,6.41L17.59,5L12,10.59L6.41,5L5,6.41L10.59,12L5,17.59L6.41,19L12,13.41L17.59,19L19,17.59L13.41,12L19,6.41Z" Fill="{DynamicResource pyRevitSubtleForegroundBrush}" />
</Canvas>
</Button.Content>
</Button>
Expand Down Expand Up @@ -168,12 +163,12 @@
</StackPanel>
<ListView x:Name="extpkgs_lb" SelectionMode="Extended" SelectionChanged="update_ext_info">
<ListView.ItemContainerStyle>
<Style TargetType="ListViewItem">
<Style TargetType="ListViewItem" BasedOn="{StaticResource {x:Type ListViewItem}}">
<Setter Property="HorizontalContentAlignment" Value="Stretch" />
</Style>
</ListView.ItemContainerStyle>
<ListView.Resources>
<Style TargetType="{x:Type CheckBox}" x:Key="DataGridCheckBox">
<Style TargetType="{x:Type CheckBox}" x:Key="DataGridCheckBox" BasedOn="{StaticResource {x:Type CheckBox}}">
<Setter Property="HorizontalAlignment" Value="Center" />
<Setter Property="HorizontalContentAlignment" Value="Center" />
</Style>
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