Add support for custom CSS

AparokshaUI · May 18, 2024 · 239f025 · 239f025
1 parent f53c194
commit 239f025
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Showing 2 changed files with 27 additions and 0 deletions.
diff --git a/Sources/Adwaita/View/Modifiers/AppearObserver.swift b/Sources/Adwaita/View/Modifiers/AppearObserver.swift
@@ -64,4 +64,23 @@ extension View {
  }
  }
 
+ /// Add CSS classes to the app as soon as the view appears.
+ /// - Parameter getString: Get the CSS.
+ /// - Returns: A view.
+ public func css(_ getString: @escaping () -> String) -> View {
+ inspectOnAppear { _ in
+ let provider = gtk_css_provider_new()
+ gtk_css_provider_load_from_string(
+ provider,
+ getString()
+ )
+ let display = gdk_display_get_default()
+ gtk_style_context_add_provider_for_display(
+ display,
+ provider?.opaque(),
+ .init(GTK_STYLE_PROVIDER_PRIORITY_APPLICATION)
+ )
+ }
+ }
+
 }
diff --git a/Tests/DiceDemo.swift b/Tests/DiceDemo.swift
@@ -28,6 +28,14 @@ struct DiceDemo: View {
  }
  .pill()
  .suggested()
+ .style("dice-button")
+ .css {
+ """
+ .dice-button {
+ background-color: @green_5;
+ }
+ """
+ }
  .frame(maxWidth: 100)
  }
  .valign(.center)