feat(Cursor): Add Cursor component to drive cursor style

trame_components/widgets/trame.py

@@ -4,6 +4,7 @@
 __all__ = [
     "ClientStateChange",
     "ClientTriggers",
+    "Cursor",
     "LifeCycleMonitor",
     "MouseTrap",
     "SizeObserver",
@@ -75,6 +76,21 @@ def call(self, method, *args):
         self.server.js_call(self.__name, "emit", method, *args)
 
 
+# -----------------------------------------------------------------------------
+# TrameClientTriggers
+# -----------------------------------------------------------------------------
+class Cursor(HtmlElement):
+    """Allow to define the cursor of the parent component based on an active index and the list of css cursor names.
+
+    :param active: index to selection the current cursor
+    :param cursors: Array of available cursor to chose from
+    """
+
+    def __init__(self, **kwargs):
+        super().__init__("trame-cursor", **kwargs)
+        self._attr_names += ["active", "cursors"]
+
+
 # -----------------------------------------------------------------------------
 # TrameLifeCycleMonitor
 # -----------------------------------------------------------------------------

vue-components/src/components/Cursor.vue

@@ -0,0 +1,38 @@
+<script>
+export default {
+  name: 'TrameCursor',
+  props: {
+    active: {
+      type: Number,
+      default: 0,
+    },
+    cursors: {
+      type: Array,
+      default: () => ['default', 'wait'],
+    },
+  },
+  computed: {
+    activeCursor() {
+      return this.cursors[this.active] || 'default';
+    },
+  },
+  watch: {
+    activeCursor(name) {
+      this.updateCursor(name);
+    },
+  },
+  methods: {
+    updateCursor(name) {
+      if (this?.$el?.parentElement) {
+        this.$el.parentElement.style.cursor = name;
+      }
+    },
+  },
+  mounted() {
+    this.updateCursor(this.activeCursor);
+  },
+  beforeDestroy() {
+    this.updateCursor('default');
+  },
+};
+</script>

vue-components/src/components/index.js

@@ -1,5 +1,6 @@
 import TrameClientStateChange from './ClientStateChange';
 import TrameClientTriggers from './ClientTriggers';
+import TrameCursor from './Cursor';
 import TrameFloatCard from './FloatCard';
 import TrameGitTree from './GitTree';
 import TrameLifeCycleMonitor from './LifeCycleMonitor';
@@ -12,6 +13,7 @@ import TrameXaiImage from './XaiImage';
 export default {
   TrameClientStateChange,
   TrameClientTriggers,
+  TrameCursor,
   TrameFloatCard,
   TrameGitTree,
   TrameLifeCycleMonitor,