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@ -29,6 +29,7 @@ class WSurface : IPersistentWaylandObject, IWSurface, IWaylandFramebufferSurface |
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protected double? PreferredFractionalScale { get; private set; } |
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protected List<WaylandOutputsTracker.Output> Outputs { get; } = new(); |
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private WlCallback? _frameCallback; |
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private bool _hitTestVisible = true; |
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private double _currentScale = 1; |
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private const double ScaleEpsilon = 1e-6; |
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private readonly List<IDisposable> _activeRenderTargets = new(); |
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@ -115,6 +116,65 @@ class WSurface : IPersistentWaylandObject, IWSurface, IWaylandFramebufferSurface |
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public virtual void ResetTextInput() => TextInputV3?.Reset(this); |
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public void SetHitTestVisible(bool value) |
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{ |
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if (_hitTestVisible == value) |
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return; |
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_hitTestVisible = value; |
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// No-op while disconnected; OnConnected replays the cached value.
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if (WlSurface == null) |
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return; |
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ApplyInputRegion(); |
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// Toggling hit-test visibility changes nothing about what's drawn, so an
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// idle surface may never attach another buffer. Commit out of band to
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// promote the region — a commit without an attach is well-defined.
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if (CanCommitOutOfBand) |
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WlSurface.Commit(); |
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} |
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/// <summary>
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/// Whether committing this surface outside of a buffer attach is legal right
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/// now. When it isn't, staged double-buffered state stays pending and is
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/// promoted by the surface's own next commit.
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/// </summary>
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/// <remarks>
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/// Such a commit can't promote another frame's half-staged state: UI→worker
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/// proxy calls land as compositor server jobs, which ServerCompositor.RenderCore
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/// drains before it renders any target, while the per-frame staging
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/// (<see cref="OnBeforeNewBufferAttached"/>) and the attach+commit that
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/// promotes it are one synchronous block inside the render pass.
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/// </remarks>
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protected virtual bool CanCommitOutOfBand => true; |
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/// <summary>
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/// Installs the input region matching the cached hit-test state. An empty
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/// region makes the compositor route pointer/touch input to whatever is
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/// behind this surface.
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/// </summary>
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private void ApplyInputRegion() |
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{ |
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if (WlSurface == null) |
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return; |
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if (_hitTestVisible) |
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{ |
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// null is the protocol default: an infinite input region.
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WlSurface.SetInputRegion(null!); |
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return; |
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} |
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var region = Globals!.WlCompositor.CreateRegion(); |
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try |
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{ |
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WlSurface.SetInputRegion(region); |
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} |
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finally |
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{ |
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region.Destroy(); |
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region.Dispose(); |
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} |
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} |
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public virtual void OnConnected(WaylandConnection connection, WaylandGlobals globals) |
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{ |
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Connection = connection; |
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@ -127,6 +187,11 @@ class WSurface : IPersistentWaylandObject, IWSurface, IWaylandFramebufferSurface |
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WlSurface, new FractionalScaleListener(this), connection.Queue); |
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Viewport = globals.Viewporter!.GetViewport(WlSurface); |
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} |
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// Re-apply the cached input region on (re)connect. It's double-buffered
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// state, promoted by the next commit — which happens before the surface
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// can receive any input.
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ApplyInputRegion(); |
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} |
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private IPlatformRenderSurface[]? _renderSurfaces; |
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@ -346,6 +411,12 @@ class WXdgShellSurface : WSurface, IWXdgShellSurface |
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/// <summary>True iff this surface is currently mapped (xdg-shell sense).</summary>
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internal bool IsMapped => _mapped; |
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// Committing an xdg_surface before it has a role, or before its initial
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// configure has been acked, is a protocol error. Until we're mapped, staged
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// state rides along on the commit that assigns the role (TryAttachToParent)
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// or on the first buffer attach.
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protected override bool CanCommitOutOfBand => _mapped; |
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internal void RegisterPendingChildPopup(WXdgPopup popup) => _pendingChildPopups.Add(popup); |
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internal void UnregisterPendingChildPopup(WXdgPopup popup) => _pendingChildPopups.Remove(popup); |
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Nikita Tsukanov
2 months ago
GitHub