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