Fixed blank screen issue on windows and also made changes to use NWjs manifest for remembering window size. Fixes #6419

docs/en_US/release_notes_5_7.rst

@@ -22,6 +22,7 @@ Bug fixes
 *********
 
 | `Issue #5849 <https://redmine.postgresql.org/issues/5849>`_ -  Ensure that trigger function SQL should have 'create or replace function' instead of 'create function' only.
+| `Issue #6419 <https://redmine.postgresql.org/issues/6419>`_ -  Fixed blank screen issue on windows and also made changes to use NWjs manifest for remembering window size.
 | `Issue #6531 <https://redmine.postgresql.org/issues/6531>`_ -  Fixed the export image issue where relation lines are over the nodes.
 | `Issue #6544 <https://redmine.postgresql.org/issues/6544>`_ -  Fixed width limitation issue in PSQL tool window.
 | `Issue #6564 <https://redmine.postgresql.org/issues/6564>`_ -  Fixed an issue where columns with sequences get altered unnecessarily with a schema diff tool.

runtime/package.json

@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "eslint": "^6.3.0",
-    "nw": "^0.50.2"
+    "nw": "^0.55.0"
   },
   "scripts": {
     "linter": "yarn eslint --no-eslintrc -c .eslintrc.js --ext .js ."

runtime/src/js/misc.js

@@ -365,34 +365,9 @@ let ConfigureStore = {
   jsonData: {},
 
   init: function() {
-    // Initialize the Screen.
-    let screen_obj = nw.Screen.Init();
-    // Minimum resolution support
-    let screen_height = 480;
-    let screen_width = 640;
-
-    // if screen_obj is not null and have at least one element then get the
-    // height and width of the work area.
-    if (screen_obj !== null && screen_obj !== undefined &&
-        screen_obj.screens.length > 0) {
-      screen_height = screen_obj.screens[0]['work_area']['height'] - 100;
-      screen_width = screen_obj.screens[0]['work_area']['width'] - 100;
-    }
-
     if (!this.readConfig()){
       this.jsonData = DEFAULT_CONFIG_DATA;
-      this.jsonData['windowHeight'] = screen_height;
-      this.jsonData['windowWidth'] = screen_width;
       this.saveConfig();
-    } else {
-      // Check if stored window height and width is greater then the
-      // actual screen height and width, set the screen height and width.
-      if (ConfigureStore.get('windowHeight') > screen_height ||
-          ConfigureStore.get('windowWidth') > screen_width) {
-        this.set('windowHeight', screen_height);
-        this.set('windowWidth', screen_width);
-        this.saveConfig();
-      }
     }
   },
 

runtime/src/js/pgadmin.js

@@ -201,18 +201,14 @@ function startDesktopMode() {
 function launchPgAdminWindow() {
   // Create and launch new window and open pgAdmin url
   misc.writeServerLog('Application Server URL: ' + startPageUrl);
-  let winWidth = misc.ConfigureStore.get('windowWidth');
-  let winHeight = misc.ConfigureStore.get('windowHeight');
-
   nw.Window.open(startPageUrl, {
+    'id': 'pgadmin-main',
     'icon': '../../assets/pgAdmin4.png',
     'frame': true,
-    'width': winWidth,
-    'height': winHeight,
     'position': 'center',
     'resizable': true,
-    'min_width': 400,
-    'min_height': 200,
+    'min_width': 640,
+    'min_height': 480,
     'focus': true,
     'show': false,
   }, (pgadminWindow)=> {
@@ -232,19 +228,21 @@ function launchPgAdminWindow() {
     // set up handler for new-win-policy event.
     // Set the width and height for the new window.
     pgadminWindow.on('new-win-policy', function(frame, url, policy) {
-      policy.setNewWindowManifest({
-        'icon': '../../assets/pgAdmin4.png',
-        'frame': true,
-        'width': winWidth,
-        'height': winHeight,
-        'position': 'center',
-      });
+        if(!frame) {
+            policy.setNewWindowManifest({
+                'id': 'pgadmin-tools',
+                'icon': '../../assets/pgAdmin4.png',
+                'frame': true,
+                'position': 'center',
+                'min_width': 640,
+                'min_height': 480,
+                'width': pgadminWindow.width,
+                'height': pgadminWindow.height,
+            });
+        }
     });
 
     pgadminWindow.on('loaded', function() {
-      // Hide the splash screen
-      splashWindow.hide();
-
       /* Make the new window opener to null as it is
        * nothing but a splash screen. We will have to make it null,
        * so that open in new browser tab will work.
@@ -254,26 +252,9 @@ function launchPgAdminWindow() {
       // Show new window
       pgadminWindow.show();
       pgadminWindow.focus();
-    });
 
-    pgadminWindow.on('resize', function(width, height) {
-      // Set the width and height for the new window on resize.
-      pgadminWindow.on('new-win-policy', function(frame, url, policy) {
-        policy.setNewWindowManifest({
-          'icon': '../../assets/pgAdmin4.png',
-          'frame': true,
-          'width': width,
-          'height': height,
-          'position': 'center',
-        });
-      });
-
-      // No need to write setting in case of full screen
-      if (!pgadminWindow.isFullscreen) {
-        misc.ConfigureStore.set('windowWidth', width);
-        misc.ConfigureStore.set('windowHeight', height);
-        misc.ConfigureStore.saveConfig();
-      }
+      // Hide the splash screen
+      splashWindow.hide();
     });
 
     pgadminWindow.on('blur',  function() {

runtime/yarn.lock

@@ -1008,10 +1008,10 @@ number-is-nan@^1.0.0:
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
   integrity sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=
 
-nw@^0.50.2:
-  version "0.50.2"
-  resolved "https://registry.yarnpkg.com/nw/-/nw-0.50.2.tgz#9947e7aa0d8f7fa6e4bca2c262ea7605db1ab507"
-  integrity sha512-5Y3VDaRooA7C/aSm6Bm4lOM4cg+rceS7OTlrfiQFNiop2/b6ip7OIpRVKPmeOzQ2/M+pKJqzEZLnVdeLl/wWFg==
+nw@^0.55.0:
+  version "0.55.0"
+  resolved "https://registry.yarnpkg.com/nw/-/nw-0.55.0.tgz#fd5785c40fde1391ea558a73c2efff0c9e8cde3c"
+  integrity sha512-/EYsT55LJraJCZeSCpJoXnftsLtR+8lbhEXABlhye/n+0//F+v9kYsGLbnC+SS3JN7NQksnv/WcnoLVjL1WXcg==
   dependencies:
     chalk "~1.1.3"
     decompress "^4.2.0"