Merge pull request #37 from grokys/fixes/dpi-scaling

Make WebDriver DPI scaling-aware.

Author: aristotelos

src/FlaUI.WebDriver.UITests/ElementTests.cs

@@ -212,14 +212,15 @@ public void GetElementRect_Default_IsSupported()
             using var driver = new RemoteWebDriver(WebDriverFixture.WebDriverUrl, driverOptions);
             var element = driver.FindElement(ExtendedBy.AccessibilityId("EditableCombo"));
 
+            var scaling = TestApplication.GetScaling(driver);
             var location = element.Location;
             var size = element.Size;
 
             var windowLocation = driver.Manage().Window.Position;
-            Assert.That(location.X, Is.InRange(windowLocation.X + 253, windowLocation.X + 257));
-            Assert.That(location.Y, Is.InRange(windowLocation.Y + 132, windowLocation.Y + 136));
-            Assert.That(size.Width, Is.EqualTo(120));
-            Assert.That(size.Height, Is.EqualTo(22));
+            Assert.That(location.X, Is.InRange(windowLocation.X + (253 * scaling), windowLocation.X + (257 * scaling)));
+            Assert.That(location.Y, Is.InRange(windowLocation.Y + (132 * scaling), windowLocation.Y + (136 * scaling)));
+            Assert.That(size.Width, Is.EqualTo(120 * scaling));
+            Assert.That(size.Height, Is.EqualTo(22 * scaling));
         }
 
         [TestCase("TextBox")]

src/FlaUI.WebDriver.UITests/TestUtil/TestApplication.cs

@@ -1,5 +1,6 @@
 using System.IO;
 using System.Linq;
+using OpenQA.Selenium.Remote;
 
 namespace FlaUI.WebDriver.UITests.TestUtil
 {
@@ -9,6 +10,11 @@ public static class TestApplication
         private static readonly string s_currentDirectory = Directory.GetCurrentDirectory();
         private static readonly string s_solutionDirectory = FindSolutionDirectory(s_currentDirectory);
 
+        public static double GetScaling(RemoteWebDriver driver)
+        {
+            return double.Parse(driver.FindElement(ExtendedBy.AccessibilityId("DpiScaling")).Text.ToString());
+        }
+
         private static string FindSolutionDirectory(string currentDirectory)
         {
             while (!Directory.GetFiles(currentDirectory, "*.sln").Any())

src/FlaUI.WebDriver.UITests/WindowTests.cs

@@ -15,13 +15,14 @@ public void GetWindowRect_Default_IsSupported()
             var driverOptions = FlaUIDriverOptions.TestApp();
             using var driver = new RemoteWebDriver(WebDriverFixture.WebDriverUrl, driverOptions);
 
+            var scaling = TestApplication.GetScaling(driver);
             var position = driver.Manage().Window.Position;
             var size = driver.Manage().Window.Size;
 
             Assert.That(position.X, Is.GreaterThanOrEqualTo(0));
             Assert.That(position.Y, Is.GreaterThanOrEqualTo(0));
-            Assert.That(size.Width, Is.InRange(629, 630));
-            Assert.That(size.Height, Is.InRange(515, 516));
+            Assert.That(size.Width, Is.InRange(629 * scaling, 630 * scaling));
+            Assert.That(size.Height, Is.InRange(515 * scaling, 516 * scaling));
         }
 
         [Test]

src/FlaUI.WebDriver/FlaUI.WebDriver.csproj

@@ -9,6 +9,7 @@
     <RuntimeIdentifiers>win-x64</RuntimeIdentifiers>
     <PublishSingleFile>true</PublishSingleFile>
     <IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract>
+    <ApplicationManifest>app.manifest</ApplicationManifest>
   </PropertyGroup>
 
   <ItemGroup>

src/FlaUI.WebDriver/app.manifest

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+  <asmv3:application>
+    <asmv3:windowsSettings>
+      <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </asmv3:windowsSettings>
+  </asmv3:application>
+</assembly>

src/TestApplications/WpfApplication/MainWindow.xaml

@@ -32,7 +32,9 @@
             </MenuItem>
         </Menu>
         <StatusBar DockPanel.Dock="Bottom">
-            <StatusBarItem />
+            <StatusBarItem>
+                <TextBlock x:Name="DpiScaling"/>
+            </StatusBarItem>
         </StatusBar>
         <TabControl>
             <TabItem Header="Simple Controls">

src/TestApplications/WpfApplication/MainWindow.xaml.cs

@@ -1,5 +1,6 @@
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Media;
 
 namespace WpfApplication
 {
@@ -27,6 +28,12 @@ private void Selector_OnSelectionChanged(object sender, SelectionChangedEventArg
             }
         }
 
+        protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
+        {
+            DpiScaling.Text = VisualTreeHelper.GetDpi(this).DpiScaleX.ToString();
+            base.OnRenderSizeChanged(sizeInfo);
+        }
+
         private void OnShowLabel(object sender, RoutedEventArgs e)
         {
             MenuItem menuitem = sender as MenuItem;

src/TestApplications/WpfApplication/WpfApplication.csproj

@@ -1,12 +1,13 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
     <TargetFramework>net6.0-windows</TargetFramework>
     <Nullable>disable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <UseWPF>true</UseWPF>
-	<AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+    <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+    <ApplicationManifest>app.manifest</ApplicationManifest>
   </PropertyGroup>
 
 </Project>

src/TestApplications/WpfApplication/app.manifest

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+  <asmv3:application>
+    <asmv3:windowsSettings>
+      <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </asmv3:windowsSettings>
+  </asmv3:application>
+</assembly>