Change text cursor color and progress bar bg color based on color scheme

Author: stackotter

Sources/Gtk/Datatypes/Color.swift

@@ -18,6 +18,20 @@ public struct Color: Equatable {
         self.alpha = alpha
     }
 
+    public static func eightBit(
+        _ red: UInt8,
+        _ green: UInt8,
+        _ blue: UInt8,
+        _ alpha: UInt8 = 255
+    ) -> Color {
+        Color(
+            Float(red) / 255,
+            Float(green) / 255,
+            Float(blue) / 255,
+            Float(alpha) / 255
+        )
+    }
+
     public var gdkColor: GdkRGBA {
         return GdkRGBA(red: red, green: green, blue: blue, alpha: alpha)
     }

Sources/Gtk3/Utility/CSS/CSSProperty.swift

@@ -22,6 +22,10 @@ public struct CSSProperty: Equatable {
         CSSProperty(key: "background", value: rgba(color))
     }
 
+    public static func caretColor(_ color: Color) -> CSSProperty {
+        CSSProperty(key: "caret-color", value: rgba(color))
+    }
+
     public static func lineLimit(_ limit: Int) -> CSSProperty {
         CSSProperty(key: "max-lines", value: "\(limit)")
     }

Sources/Gtk3/Widgets/Widget.swift

@@ -19,7 +19,6 @@ open class Widget: GObject {
                 didMoveToParent()
             } else {
                 didMoveFromParent()
-                removeSignals()
             }
         }
     }

Sources/Gtk3Backend/Gtk3Backend.swift

@@ -963,9 +963,11 @@ public final class Gtk3Backend: AppBackend {
                 case .light:
                     properties.append(.border(color: Color.eightBit(209, 209, 209), width: 1))
                     properties.append(.backgroundColor(Color(1, 1, 1, 1)))
+                    properties.append(.caretColor(Color.eightBit(139, 142, 143)))
                 case .dark:
                     properties.append(.border(color: Color.eightBit(32, 32, 32), width: 1))
                     properties.append(.backgroundColor(Color(1, 1, 1, 0.1)))
+                    properties.append(.caretColor(Color(1, 1, 1)))
             }
             properties.append(.init(key: "box-shadow", value: "none"))
         }

Sources/GtkBackend/GtkBackend.swift

@@ -52,7 +52,6 @@ public final class GtkBackend: AppBackend {
             flags: G_APPLICATION_HANDLES_OPEN
         )
         gtkApp.registerSession = true
-        print(appIdentifier)
     }
 
     public func runMainLoop(_ callback: @escaping () -> Void) {
@@ -721,6 +720,20 @@ public final class GtkBackend: AppBackend {
     ) {
         let progressBar = widget as! ProgressBar
         progressBar.fraction = progressFraction ?? 0
+        let backgroundColor: Gtk.Color
+        switch environment.colorScheme {
+            case .light:
+                backgroundColor = Gtk.Color.eightBit(61, 61, 61, 38)
+            case .dark:
+                backgroundColor = Gtk.Color.eightBit(90, 90, 90)
+        }
+        progressBar.cssProvider.loadCss(
+            from: """
+                trough {
+                    background-color: \(CSSProperty.rgba(backgroundColor));
+                }
+                """
+        )
     }
 
     public func createPopoverMenu() -> PopoverMenu {