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Code Issues 392 Packages Projects Releases 20 Wiki Activity

Fix DPI issue

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This commit is contained in:
ReignStumble
2018-07-16 22:41:05 -04:00
parent b8c56bea58
commit e307cb217f
1 changed files with 43 additions and 5 deletions
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48
DICUI/MainWindow.xaml.cs
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@@ -8,11 +8,25 @@ using WinForms = System.Windows.Forms;
using DICUI.Data;
using DICUI.Utilities;
using DICUI.UI;
using System.Runtime.InteropServices;
namespace DICUI
{
public partial class MainWindow : Window
{
[DllImport("gdi32.dll")]
public static extern int GetDeviceCaps(IntPtr hDc, int nIndex);
[DllImport("user32.dll")]
public static extern IntPtr GetDC(IntPtr hWnd);
[DllImport("user32.dll")]
public static extern int ReleaseDC(IntPtr hWnd, IntPtr hDc);
public const int LOGPIXELSX = 88;
public const int LOGPIXELSY = 90;
// Private UI-related variables
private List<Drive> _drives;
private MediaType? _currentMediaType;
@@ -28,6 +42,27 @@ namespace DICUI
private LogWindow _logWindow;
public void TransformToUnit(double pixelX,
double pixelY,
out int unitX,
out int unitY)
{
IntPtr hDc = GetDC(IntPtr.Zero);
if (hDc != IntPtr.Zero)
{
int dpiX = GetDeviceCaps(hDc, LOGPIXELSX);
int dpiY = GetDeviceCaps(hDc, LOGPIXELSY);
ReleaseDC(IntPtr.Zero, hDc);
unitX = (int)(pixelX / ((double)dpiX / 96));
unitY = (int)(pixelY / ((double)dpiY / 96));
}
else
throw new ArgumentNullException("Failed to get DC.");
}
public MainWindow()
{
InitializeComponent();
@@ -51,10 +86,13 @@ namespace DICUI
this.WindowStartupLocation = WindowStartupLocation.Manual;
double combinedHeight = this.Height + _logWindow.Height + UIElements.LogWindowMarginFromMainWindow;
TransformToUnit(bounds.Left, bounds.Top, out int unitLeft, out int unitTop);
TransformToUnit(bounds.Width, bounds.Height, out int unitWidth, out int unitHeight);
this.Left = bounds.Left + (bounds.Width - this.Width) / 2;
this.Top = bounds.Top + (bounds.Height - combinedHeight) / 2;
this.Left = unitLeft + (unitWidth - this.Width) / 2;
this.Top = unitTop + (unitHeight - combinedHeight) / 2;
}
}
#region Events
@@ -270,7 +308,7 @@ namespace DICUI
ViewModels.LoggerViewModel.VerboseLogLn("Populating systems, {0} systems found.", _systems.Count);
Dictionary <KnownSystemCategory, List<KnownSystem?>> mapping = _systems
Dictionary<KnownSystemCategory, List<KnownSystem?>> mapping = _systems
.GroupBy(s => s.Category())
.ToDictionary(
k => k.Key,
@@ -302,7 +340,7 @@ namespace DICUI
private void PopulateDrives()
{
ViewModels.LoggerViewModel.VerboseLogLn("Scanning for drives..");
// Always enable the disk scan
DiskScanButton.IsEnabled = true;