diff --git a/Wox/Helper/WindowIntelopHelper.cs b/Wox/Helper/WindowIntelopHelper.cs
index 4a0223a19e..a61665b54d 100644
--- a/Wox/Helper/WindowIntelopHelper.cs
+++ b/Wox/Helper/WindowIntelopHelper.cs
@@ -4,6 +4,8 @@ using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Interop;
+using System.Windows.Media;
+using Point = System.Windows.Point;
namespace Wox.Helper
{
@@ -80,6 +82,32 @@ namespace Wox.Helper
SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_SYSMENU);
}
+ ///
+ /// Transforms pixels to Device Independent Pixels used by WPF
+ ///
+ /// current window, required to get presentation source
+ /// horizontal position in pixels
+ /// vertical position in pixels
+ /// point containing device independent pixels
+ public static Point TransformPixelsToDIP(Visual visual, double unitX, double unitY)
+ {
+ Matrix matrix;
+ var source = PresentationSource.FromVisual(visual);
+ if (source != null)
+ {
+ matrix = source.CompositionTarget.TransformFromDevice;
+ }
+ else
+ {
+ using (var src = new HwndSource(new HwndSourceParameters()))
+ {
+ matrix = src.CompositionTarget.TransformFromDevice;
+ }
+ }
+ return new Point((int) (matrix.M11*unitX), (int) (matrix.M22*unitY));
+ }
+
+
[StructLayout(LayoutKind.Sequential)]
public struct RECT
{
diff --git a/Wox/MainWindow.xaml.cs b/Wox/MainWindow.xaml.cs
index aef06b9eb5..dde25ebdba 100644
--- a/Wox/MainWindow.xaml.cs
+++ b/Wox/MainWindow.xaml.cs
@@ -260,34 +260,21 @@ namespace Wox
private double GetWindowsLeft()
{
- var screen = Screen.FromPoint(System.Windows.Forms.Cursor.Position);
- if (UserSettingStorage.Instance.RememberLastLaunchLocation)
- {
- var origScreen = Screen.FromRectangle(new Rectangle((int)Left, (int)Top, (int)ActualWidth, (int)ActualHeight));
- var coordX = (Left - origScreen.WorkingArea.Left) / (origScreen.WorkingArea.Width - ActualWidth);
- UserSettingStorage.Instance.WindowLeft = (screen.WorkingArea.Width - ActualWidth) * coordX + screen.WorkingArea.Left;
- }
- else
- {
- UserSettingStorage.Instance.WindowLeft = (screen.WorkingArea.Width - ActualWidth) / 2 + screen.WorkingArea.Left;
- }
+ if (UserSettingStorage.Instance.RememberLastLaunchLocation) return UserSettingStorage.Instance.WindowLeft;
+ var screen = Screen.FromPoint(System.Windows.Forms.Cursor.Position);
+ var dipPoint = WindowIntelopHelper.TransformPixelsToDIP(this, screen.WorkingArea.Width, 0);
+ UserSettingStorage.Instance.WindowLeft = (dipPoint.X - ActualWidth)/2;
return UserSettingStorage.Instance.WindowLeft;
}
private double GetWindowsTop()
{
+ if (UserSettingStorage.Instance.RememberLastLaunchLocation) return UserSettingStorage.Instance.WindowTop;
+
var screen = Screen.FromPoint(System.Windows.Forms.Cursor.Position);
- if (UserSettingStorage.Instance.RememberLastLaunchLocation)
- {
- var origScreen = Screen.FromRectangle(new Rectangle((int)Left, (int)Top, (int)ActualWidth, (int)ActualHeight));
- var coordY = (Top - origScreen.WorkingArea.Top) / (origScreen.WorkingArea.Height - ActualHeight);
- UserSettingStorage.Instance.WindowTop = (screen.WorkingArea.Height - ActualHeight) * coordY + screen.WorkingArea.Top;
- }
- else
- {
- UserSettingStorage.Instance.WindowTop = (screen.WorkingArea.Height - tbQuery.ActualHeight) / 4 + screen.WorkingArea.Top;
- }
+ var dipPoint = WindowIntelopHelper.TransformPixelsToDIP(this, 0, screen.WorkingArea.Height);
+ UserSettingStorage.Instance.WindowTop = (dipPoint.Y - tbQuery.ActualHeight)/4;
return UserSettingStorage.Instance.WindowTop;
}
@@ -534,6 +521,8 @@ namespace Wox
private void HideWox()
{
+ UserSettingStorage.Instance.WindowLeft = Left;
+ UserSettingStorage.Instance.WindowTop = Top;
if (IsInContextMenuMode)
{
BackToResultMode();