From f1d16a03eccd806af9a5898796e20e07e25493f5 Mon Sep 17 00:00:00 2001
From: Lea Anthony <lea.anthony@gmail.com>
Date: Sat, 9 May 2020 05:46:40 +1000
Subject: [PATCH] Disable F5 key on windows

---
 lib/renderer/webview/webview.h | 52 +++++++++++++++++++---------------
 1 file changed, 29 insertions(+), 23 deletions(-)

diff --git a/lib/renderer/webview/webview.h b/lib/renderer/webview/webview.h
index 3d308af38..f549d52b1 100644
--- a/lib/renderer/webview/webview.h
+++ b/lib/renderer/webview/webview.h
@@ -139,7 +139,7 @@ struct webview_priv
 #define DEFAULT_URL                                                            \
   "data:text/"                                                                 \
   "html,%3C%21DOCTYPE%20html%3E%0A%3Chtml%20lang=%22en%22%3E%0A%3Chead%3E%"    \
-  "3Cmeta%20charset=%22utf-8%22%3E%3Cmeta%20http-equiv=%22IE=edge%22%" \
+  "3Cmeta%20charset=%22utf-8%22%3E%3Cmeta%20http-equiv=%22IE=edge%22%"         \
   "20content=%22IE=edge%22%3E%3C%2Fhead%3E%0A%3Cbody%3E%3Cdiv%20id=%22app%22%" \
   "3E%3C%2Fdiv%3E%3Cscript%20type=%22text%2Fjavascript%22%3E%3C%2Fscript%3E%"  \
   "3C%2Fbody%3E%0A%3C%2Fhtml%3E"
@@ -1227,7 +1227,7 @@ struct webview_priv
       }
       VariantInit(&myURL);
       myURL.vt = VT_BSTR;
-// #ifndef UNICODE
+      // #ifndef UNICODE
       {
         wchar_t *buffer = webview_to_utf16(webPageName);
         if (buffer == NULL)
@@ -1237,9 +1237,9 @@ struct webview_priv
         myURL.bstrVal = SysAllocString(buffer);
         GlobalFree(buffer);
       }
-// #else
-//       myURL.bstrVal = SysAllocString(webPageName);
-// #endif
+      // #else
+      //       myURL.bstrVal = SysAllocString(webPageName);
+      // #endif
       if (!myURL.bstrVal)
       {
       badalloc:
@@ -1277,7 +1277,7 @@ struct webview_priv
             if (!SafeArrayAccessData(sfArray, (void **)&pVar))
             {
               pVar->vt = VT_BSTR;
-// #ifndef UNICODE
+              // #ifndef UNICODE
               {
                 wchar_t *buffer = webview_to_utf16(url);
                 if (buffer == NULL)
@@ -1287,9 +1287,9 @@ struct webview_priv
                 bstr = SysAllocString(buffer);
                 GlobalFree(buffer);
               }
-// #else
-//               bstr = SysAllocString(url);
-// #endif
+              // #else
+              //               bstr = SysAllocString(url);
+              // #endif
               if ((pVar->bstrVal = bstr))
               {
                 htmlDoc2->lpVtbl->write(htmlDoc2, sfArray);
@@ -1444,12 +1444,12 @@ struct webview_priv
                        rect.right - rect.left, rect.bottom - rect.top,
                        HWND_DESKTOP, NULL, hInstance, (void *)w);
 #else
-  w->priv.hwnd =
+    w->priv.hwnd =
         CreateWindowEx(0, classname, w->title, style, rect.left, rect.top,
                        rect.right - rect.left, rect.bottom - rect.top,
                        HWND_DESKTOP, NULL, hInstance, (void *)w);
 #endif
-    
+
     if (w->priv.hwnd == 0)
     {
       OleUninitialize();
@@ -1466,8 +1466,7 @@ struct webview_priv
 #else
     SetWindowText(w->priv.hwnd, w->title);
 #endif
-    
-    
+
     ShowWindow(w->priv.hwnd, SW_SHOWDEFAULT);
     UpdateWindow(w->priv.hwnd);
     SetFocus(w->priv.hwnd);
@@ -1494,6 +1493,11 @@ struct webview_priv
     case WM_KEYDOWN:
     case WM_KEYUP:
     {
+      // Disable refresh when pressing F5 on windows
+      if (msg.wParam == VK_F5)
+      {
+        break;
+      }
       HRESULT r = S_OK;
       IWebBrowser2 *webBrowser2;
       IOleObject *browser = *w->priv.browser;
@@ -1603,7 +1607,7 @@ struct webview_priv
 
   WEBVIEW_API void webview_set_title(struct webview *w, const char *title)
   {
-  #ifdef UNICODE
+#ifdef UNICODE
     wchar_t *u16title = webview_to_utf16(title);
     if (u16title == NULL)
     {
@@ -1611,12 +1615,11 @@ struct webview_priv
     }
     SetWindowText(w->priv.hwnd, u16title);
     GlobalFree(u16title);
-  #else
+#else
     SetWindowText(w->priv.hwnd, title);
-  #endif
+#endif
   }
 
-
   WEBVIEW_API void webview_set_fullscreen(struct webview *w, int fullscreen)
   {
     if (w->priv.is_fullscreen == !!fullscreen)
@@ -1927,22 +1930,25 @@ struct webview_priv
     [script setValue:self forKey:@"external"];
   }
 
-static void webview_run_input_open_panel(id self, SEL cmd, id webview,
-                                           id listener, BOOL allowMultiple) {
+  static void webview_run_input_open_panel(id self, SEL cmd, id webview,
+                                           id listener, BOOL allowMultiple)
+  {
     char filename[256] = "";
     struct webview *w =
         (struct webview *)objc_getAssociatedObject(self, "webview");
 
     webview_dialog(w, WEBVIEW_DIALOG_TYPE_OPEN, WEBVIEW_DIALOG_FLAG_FILE, "", "",
                    filename, 255);
-    if (strlen(filename)) {
+    if (strlen(filename))
+    {
       [listener chooseFilename:[NSString stringWithUTF8String:filename]];
-    } else {
+    }
+    else
+    {
       [listener cancel];
     }
   }
 
-
   static void webview_external_invoke(id self, SEL cmd, id arg)
   {
     struct webview *w =
@@ -1955,7 +1961,7 @@ static void webview_run_input_open_panel(id self, SEL cmd, id webview,
     {
       return;
     }
-    w->external_invoke_cb(w, [(NSString *)(arg)UTF8String]);
+    w->external_invoke_cb(w, [(NSString *)(arg) UTF8String]);
   }
 
   WEBVIEW_API int webview_init(struct webview *w)