From 8519d52ef505204be53c68e58edc6569ca5cfb32 Mon Sep 17 00:00:00 2001
From: Danil Boldyrev <daswerq123@gmail.com>
Date: Sun, 2 Jul 2023 19:20:49 +0300
Subject: [PATCH] fixing the copy/paste function, correct code

---
 .../canvas-zoom-and-pan/javascript/zoom.js    | 67 +++++++++++--------
 1 file changed, 39 insertions(+), 28 deletions(-)

diff --git a/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js b/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js
index ed3e52bc..29f43a3f 100644
--- a/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js
+++ b/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js
@@ -608,29 +608,34 @@ onUiLoaded(async() => {
 
         // Handle keydown events
         function handleKeyDown(event) {
+            // Disable key locks to make pasting from the buffer work correctly
+            if ((event.ctrlKey && event.code === 'KeyV') || event.code === "F5") {
+                return;
+            }
+
             // before activating shortcut, ensure user is not actively typing in an input field
-            if(event.target.nodeName === 'TEXTAREA' || event.target.nodeName === 'INPUT') {
-                event.preventDefault;
-            } else {
+            if (event.target.nodeName === 'TEXTAREA' || event.target.nodeName === 'INPUT') {
+                return;
+            }
 
-                const hotkeyActions = {
-                    [hotkeysConfig.canvas_hotkey_reset]: resetZoom,
-                    [hotkeysConfig.canvas_hotkey_overlap]: toggleOverlap,
-                    [hotkeysConfig.canvas_hotkey_fullscreen]: fitToScreen
-                };
 
-                const action = hotkeyActions[event.code];
-                if (action) {
-                    event.preventDefault();
-                    action(event);
-                }
+            const hotkeyActions = {
+                [hotkeysConfig.canvas_hotkey_reset]: resetZoom,
+                [hotkeysConfig.canvas_hotkey_overlap]: toggleOverlap,
+                [hotkeysConfig.canvas_hotkey_fullscreen]: fitToScreen
+            };
 
-                if (
-                    isModifierKey(event, hotkeysConfig.canvas_hotkey_zoom) ||
-                    isModifierKey(event, hotkeysConfig.canvas_hotkey_adjust)
-                ) {
-                    event.preventDefault();
-                }
+            const action = hotkeyActions[event.code];
+            if (action) {
+                event.preventDefault();
+                action(event);
+            }
+
+            if (
+                isModifierKey(event, hotkeysConfig.canvas_hotkey_zoom) ||
+                isModifierKey(event, hotkeysConfig.canvas_hotkey_adjust)
+            ) {
+                event.preventDefault();
             }
         }
 
@@ -692,16 +697,22 @@ onUiLoaded(async() => {
 
         // Handle the move event for pan functionality. Updates the panX and panY variables and applies the new transform to the target element.
         function handleMoveKeyDown(e) {
+
+            // Disable key locks to make pasting from the buffer work correctly
+            if ((e.ctrlKey && e.code === 'KeyV') || e.code === "F5") {
+                return;
+            }
+
+            // before activating shortcut, ensure user is not actively typing in an input field
+            if (e.target.nodeName === 'TEXTAREA' || e.target.nodeName === 'INPUT') {
+                return;
+            }
+
             if (e.code === hotkeysConfig.canvas_hotkey_move) {
-                // before activating shortcut, ensure user is not actively typing in an input field
-                if(e.target.nodeName === 'TEXTAREA' || e.target.nodeName === 'INPUT') {
-                    event.preventDefault;
-                } else {
-                    if (!e.ctrlKey && !e.metaKey && isKeyDownHandlerAttached) {
-                        e.preventDefault();
-                        document.activeElement.blur();
-                        isMoving = true;
-                    }
+                if (!e.ctrlKey && !e.metaKey && isKeyDownHandlerAttached) {
+                    e.preventDefault();
+                    document.activeElement.blur();
+                    isMoving = true;
                 }
             }
         }