IntuneManagement 4.0.0-beta1

2026-09-28 19:05:38 +02:00 · 2026-09-23 19:13:09 +10:00
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+<#
+    Platform-specific main-window chrome.
+
+    MainWindow.axaml is authored Windows-first: ExtendClientAreaToDecorationsHint
+    plus PreferSystemChrome merge our title bar into the OS caption area, and the
+    title-bar content grid reserves 140px on the right for the Win11
+    minimize/maximize/close buttons that the OS paints over our content.
+
+    That hint is only honoured by the Win32 and macOS-native backends. Avalonia's
+    X11 backend does not remove the window-manager decoration, so on Linux the WM
+    keeps drawing its own title bar and the app draws a second one underneath it,
+    complete with 140px of dead space reserved for buttons that are not there.
+
+    macOS does honour the hint, but puts its traffic lights on the LEFT, so the
+    same reservation has to move to the other side or the app icon and File menu
+    end up underneath them.
+
+    Windows keeps the authored layout untouched.
+#>
+
+# Width reserved inside the extended client area for OS-painted caption buttons.
+$script:IMWindowsCaptionWidth = 140
+$script:IMMacTrafficLightWidth = 80
+
+function Set-MainWindowChrome {
+    <#
+    .SYNOPSIS
+    Adapts the main window chrome to the running platform.
+
+    .DESCRIPTION
+    Called from Show-MainWindow after MainWindow.axaml is loaded and before the
+    window is shown. On Windows this is a no-op: the XAML is already correct.
+    #>
+    param($Window)
+
+    if (-not $Window) { return }
+
+    if ($script:IsWindowsOS) { return }
+
+    if ($IsMacOS) {
+        # The hint works here, so we keep the merged title bar and only move the
+        # caption reservation from the right (Windows) to the left (traffic lights).
+        Set-XamlProperty $Window 'grdTitleBarContent' 'Margin' `
+            ([Avalonia.Thickness]::new($script:IMMacTrafficLightWidth, 0, 0, 0))
+        return
+    }
+
+    # Linux/X11, and any other backend that ignores the hint: hand the title bar
+    # back to the window manager so we do not end up with two of them.
+    try {
+        $Window.ExtendClientAreaToDecorationsHint = $false
+    } catch {
+        Write-LogDebug "Set-MainWindowChrome: could not disable extended client area: $($_.Exception.Message)"
+    }
+
+    # Nothing overlaps our content now, so drop the caption reservation and hide
+    # the duplicate centred view title. The WM caption already shows Window.Title,
+    # which Set-MainTitle keeps in sync with the same text.
+    Set-XamlProperty $Window 'grdTitleBarContent' 'Margin' ([Avalonia.Thickness]::new(0))
+    Set-XamlProperty $Window 'txtTitleViewName' 'IsVisible' $false
+}