Fix for preview gradient suddenly becoming a solid color

Author: NigelBreslaw

tools/lsp/ui/components/widgets/floating-color-picker-widget.slint

@@ -30,6 +30,10 @@ component BrushTypeSelector {
 
     in-out property <PickerTab> active-tab: PickerTab.color;
 
+    changed active-tab => {
+        WindowManager.hide-color-stop-picker();
+    }
+
     HorizontalLayout {
         padding-left: EditorSizeSettings.small-margin;
         alignment: start;
@@ -1135,7 +1139,7 @@ component ColorPicker inherits DraggablePanel {
     callback close <=> t-close.clicked;
 
     changed current-color => {
-        if widget-mode == WidgetMode.preview {
+        if widget-mode == WidgetMode.preview && PickerData.current-brush-kind == BrushKind.solid {
             WindowManager.update-preview-value(Api.color-to-data(root.current-color).text);
         }
     }

tools/lsp/ui/windowglobal.slint

@@ -35,6 +35,12 @@ export global PickerData {
         }
     }
 
+    changed current-brush-kind => {
+        if WindowManager.widget-mode == WidgetMode.preview {
+            WindowManager.update-brush();
+        }
+    }
+
     public function set-current-stop-as-color() {
         hue = current-gradient-stops[current-stop-index].color.to-hsv().hue;
         saturation = current-gradient-stops[current-stop-index].color.to-hsv().saturation;
@@ -158,6 +164,7 @@ export global WindowManager {
             }
             PickerData.current-brush = property-value.value-brush;
             PickerData.current-gradient-stops = property-value.gradient-stops;
+            PickerData.current-angle = property-value.value-float;
             showing-color-picker = true;
         }
     }