Add cursor warp

prefs.js

@@ -61,6 +61,12 @@ function fillPreferencesWindow(window) {
 
 	const general = new Adw.PreferencesGroup();
 	page.add(general);
+	general.add(
+		_createBool(settings, {
+			title: "Warp cursor",
+			key: "warp-cursor",
+		})
+	);
 	general.add(
 		_createBool(settings, {
 			title: "Show Layout Indicator",

schemas/org.gnome.shell.extensions.fairy.gschema.xml

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <schemalist>
 	<schema id="org.gnome.shell.extensions.fairy" path="/org/gnome/shell/extensions/fairy/">
+		<key type="b" name="warp-cursor">
+			<default>true</default>
+			<summary>Should the cursor warp to newly focused windows</summary>
+		</key>
+
 		<!-- Visual things -->
 		<key type="b" name="show-layout">
 			<default>true</default>

sources/keybinds.js

@@ -54,7 +54,7 @@ var KeyboardManager = GObject.registerClass(
 				const idx = this._state.workIndexByHandle(state.focused);
 				const newW = this._state.workIndex(mon, state.tags, idx + 1);
 				if (newW && newW.handle !== state.focused) {
-					this._state.focus(newW.handle);
+					this._renderer.focus(newW.handle);
 					this._renderer.render(mon);
 				}
 			});
@@ -203,7 +203,7 @@ var KeyboardManager = GObject.registerClass(
 			const idx = this._state.workIndexByHandle(state.focused);
 			const win = this._state.workIndex(mon, state.tags, idx - 1);
 			if (win && win.handle !== state.focused) {
-				this._state.focus(win.handle);
+				this._renderer.focus(win.handle);
 				this._renderer.render(mon);
 			}
 		}

sources/renderer.js

@@ -1,6 +1,7 @@
 "use strict";
 
 const Meta = imports.gi.Meta;
+const Gdk = imports.gi.Gdk;
 const GLib = imports.gi.GLib;
 const GObject = imports.gi.GObject;
 const Main = imports.ui.main;
@@ -19,6 +20,7 @@ var Renderer = GObject.registerClass(
 				size: 10,
 				outerGaps: 20,
 			};
+			this.warpEnabled = true;
 			log("fairy init!");
 		}
 
@@ -34,6 +36,7 @@ var Renderer = GObject.registerClass(
 				size: this._settings.get_uint("gap-size"),
 				outerGaps: this._settings.get_uint("outer-gap-size"),
 			};
+			this.warpEnabled = this._settings.get_boolean("warp-cursor");
 
 			for (const window of global.display.list_all_windows())
 				this.trackWindow(window);
@@ -137,7 +140,7 @@ var Renderer = GObject.registerClass(
 					this._waitForWindow(window, () => {
 						this.trackWindow(window);
 						GLib.idle_add(GLib.PRIORITY_DEFAULT_IDLE, () => {
-							this._state.focus(window);
+							this.focus(window);
 							// Do not retrigger this idle.
 							return false;
 						});
@@ -183,6 +186,9 @@ var Renderer = GObject.registerClass(
 					this.gaps.smart = this._settings.get_boolean(key);
 					this.renderAll();
 					break;
+				case "warp-cursor":
+					this.warpEnabled = this._settings.get_boolean(key);
+					break;
 				}
 			});
 		}
@@ -203,7 +209,7 @@ var Renderer = GObject.registerClass(
 					const tags = this._state.monitors[faWindow.monitor].tags;
 					// Since we retrieved the idx, the window as been removed so we don't need to +1.
 					const newWindow = this._state.workIndex(faWindow.monitor, tags, idx);
-					if (newWindow) this._state.focus(newWindow.handle);
+					if (newWindow) this.focus(newWindow.handle);
 
 					this.render(faWindow.monitor);
 				}),
@@ -227,6 +233,40 @@ var Renderer = GObject.registerClass(
 			this._state.newWindow(handle);
 		}
 
+		/**
+		 * @param {Meta.Window} handle
+		 */
+		focus(handle) {
+			const mon = handle.get_monitor();
+			this._state.monitors[mon].focused = handle;
+			// This was focused without a zoom, removing the old zoom value.
+			this._state.monitors[mon].beforeZoom = null;
+
+			log("focusing window with title", handle.get_title());
+			handle.raise();
+			handle.focus(global.display.get_current_time());
+			handle.activate(global.display.get_current_time());
+			this.warpCursor(handle);
+		}
+
+		/**
+		 * @param {Meta.Window} handle
+		 */
+		warpCursor(handle) {
+			if (!this.warpEnabled) return;
+
+			log("warping");
+			const gdkDisplay = Gdk.DisplayManager.get().get_default_display();
+			if (!gdkDisplay) return;
+			log("Display existing")
+
+			const pointer = gdkDisplay.get_default_seat().get_pointer();
+			const screen = gdkDisplay.get_default_screen();
+			const rect = handle.get_frame_rect();
+			log("Warping to x,y", rect.x, rect.y);
+			pointer.warp(screen, rect.x + rect.width / 2, rect.y + rect.height / 2);
+		}
+
 		setTags(mon, tags) {
 			const currTags = this._state.monitors[mon].tags;
 			this._state.monitors[mon].tags = tags;

sources/state.js

@@ -104,30 +104,6 @@ var StateManager = GObject.registerClass(
 			return windows.findIndex((x) => x.handle === handle);
 		}
 
-		/**
-		 * @param {Meta.Window} handle
-		 */
-		focus(handle) {
-			const mon = handle.get_monitor();
-			this.monitors[mon].focused = handle;
-			// This was focused without a zoom, removing the old zoom value.
-			this.monitors[mon].beforeZoom = null;
-
-			log("focusing window with title", handle.get_title());
-			handle.raise();
-			handle.focus(global.display.get_current_time());
-			handle.activate(global.display.get_current_time());
-			this.warpCursor(handle);
-		}
-
-		/**
-		 * @param {Meta.Window} handle
-		 */
-		warpCursor(handle) {
-			// TODO: Warp the cursor
-			// TODO: Check if the warp-cursor setting is enabled.
-		}
-
 		/**
 		 * @param {number} mon
 		 * @param {number} tags