diff --git a/src/ui/commands/cmd_renderer.js b/src/ui/commands/cmd_renderer.js
index 9bcd94c75..05f3e1396 100644
--- a/src/ui/commands/cmd_renderer.js
+++ b/src/ui/commands/cmd_renderer.js
@@ -126,6 +126,7 @@ CABLES_CMD_RENDERER.changeSize = function ()
 
     if (gui.canvasManager.getCanvasUiBar())
         gui.canvasManager.getCanvasUiBar().showCanvasModal(false);
+
     const p = new ModalDialog({
         "prompt": true,
         "title": "Change Canvas size",
diff --git a/src/ui/components/tabs/tab_gltimeline.js b/src/ui/components/tabs/tab_gltimeline.js
index 7cac64920..a8ce0b6fc 100644
--- a/src/ui/components/tabs/tab_gltimeline.js
+++ b/src/ui/components/tabs/tab_gltimeline.js
@@ -1,10 +1,15 @@
 import Tab from "../../elements/tabpanel/tab.js";
+import TabPanel from "../../elements/tabpanel/tabpanel.js";
 import glTimelineCanvas from "../../gltimeline/gltimelinecanvas.js";
 import { gui } from "../../gui.js";
 import { userSettings } from "../usersettings.js";
 
 export default class GlTimelineTab
 {
+
+    /**
+     * @param {TabPanel} tabs
+     */
     constructor(tabs)
     {
         this._tab = new Tab("gl timeline", { "icon": "timeline", "infotext": "gl timeline" });
@@ -16,10 +21,14 @@ export default class GlTimelineTab
         a.parentResized();
         userSettings.set("glTimelineOpened", true);
 
+        this._tab.on("onActivate", () =>
+        {
+            a.parentResized();
+        });
+
         this._tab.addButton("rewind", () =>
         {
             gui.corePatch().timer.setTime(0);
-
         });
 
         this._tab.addButton("rr", () =>
@@ -33,7 +42,6 @@ export default class GlTimelineTab
 
             if (gui.corePatch().timer.isPlaying())buttonPlay.innerHTML = "pause";
             else buttonPlay.innerHTML = "play";
-
         });
 
         this._tab.addButton("ff", () =>
@@ -51,6 +59,5 @@ export default class GlTimelineTab
             userSettings.set("glTimelineOpened", false);
         });
 
-        // tabs.show(true);
     }
 }
diff --git a/src/ui/gltimeline/gltimeline.js b/src/ui/gltimeline/gltimeline.js
index 56011f3d0..72083a023 100644
--- a/src/ui/gltimeline/gltimeline.js
+++ b/src/ui/gltimeline/gltimeline.js
@@ -131,7 +131,7 @@ export default class GlTimeline extends Events
 
         let x = e.offsetX;
         let y = e.offsetY;
-
+        console.log("gltl move", e.buttons);
         this.#rects.mouseMove(x, y, e.buttons, e);
 
         if (this.mouseDown)
@@ -159,6 +159,9 @@ export default class GlTimeline extends Events
         this.mouseDown = true;
     }
 
+    /**
+     * @param {MouseEvent} e
+     */
     _onCanvasMouseUp(e)
     {
         this.#rects.mouseUp(e);
@@ -183,16 +186,25 @@ export default class GlTimeline extends Events
         return this.#cgl.canvasWidth;
     }
 
+    /**
+     * @param {number} t
+     */
     timeToPixelScreen(t)
     {
         return this.timeToPixel(t) + this.titleSpace - this.timeToPixel(this.offset);
     }
 
+    /**
+     * @param {number} t
+     */
     timeToPixel(t)
     {
         return t * this.#zoom * 12;
     }
 
+    /**
+     * @param {number} p
+     */
     pixelToTime(p)
     {
         return p / this.timeToPixel(1);