コード例 #1
0
            public void Dispose()
            {
                if (_child != null)
                {
                    XReparentWindow(_display, _child.Handle, _orphanedWindow, 0, 0);
                    _child = null;
                }

                _holder?.Destroy();
                _holder     = null;
                _attachedTo = null;
            }
コード例 #2
0
ファイル: X11Window.cs プロジェクト: yatli/Avalonia
        public X11Window(AvaloniaX11Platform platform, IWindowImpl popupParent)
        {
            _platform = platform;
            _popup    = popupParent != null;
            _x11      = platform.Info;
            _mouse    = new MouseDevice();
            _touch    = new TouchDevice();
            _keyboard = platform.KeyboardDevice;

            var glfeature             = AvaloniaLocator.Current.GetService <IPlatformOpenGlInterface>();
            XSetWindowAttributes attr = new XSetWindowAttributes();
            var valueMask             = default(SetWindowValuemask);

            attr.backing_store = 1;
            attr.bit_gravity   = Gravity.NorthWestGravity;
            attr.win_gravity   = Gravity.NorthWestGravity;
            valueMask         |= SetWindowValuemask.BackPixel | SetWindowValuemask.BorderPixel
                                 | SetWindowValuemask.BackPixmap | SetWindowValuemask.BackingStore
                                 | SetWindowValuemask.BitGravity | SetWindowValuemask.WinGravity;

            if (_popup)
            {
                attr.override_redirect = true;
                valueMask |= SetWindowValuemask.OverrideRedirect;
            }

            XVisualInfo?visualInfo = null;

            // OpenGL seems to be do weird things to it's current window which breaks resize sometimes
            _useRenderWindow = glfeature != null;

            var glx = glfeature as GlxPlatformOpenGlInterface;

            if (glx != null)
            {
                visualInfo = *glx.Display.VisualInfo;
            }
            else if (glfeature == null)
            {
                visualInfo = _x11.TransparentVisualInfo;
            }

            var egl = glfeature as EglPlatformOpenGlInterface;

            var visual = IntPtr.Zero;
            var depth  = 24;

            if (visualInfo != null)
            {
                visual        = visualInfo.Value.visual;
                depth         = (int)visualInfo.Value.depth;
                attr.colormap = XCreateColormap(_x11.Display, _x11.RootWindow, visualInfo.Value.visual, 0);
                valueMask    |= SetWindowValuemask.ColorMap;
            }

            int defaultWidth = 0, defaultHeight = 0;

            if (!_popup && Screen != null)
            {
                var monitor = Screen.AllScreens.OrderBy(x => x.PixelDensity)
                              .FirstOrDefault(m => m.Bounds.Contains(Position));

                if (monitor != null)
                {
                    // Emulate Window 7+'s default window size behavior.
                    defaultWidth  = (int)(monitor.WorkingArea.Width * 0.75d);
                    defaultHeight = (int)(monitor.WorkingArea.Height * 0.7d);
                }
            }

            // check if the calculated size is zero then compensate to hardcoded resolution
            defaultWidth  = Math.Max(defaultWidth, 300);
            defaultHeight = Math.Max(defaultHeight, 200);

            _handle = XCreateWindow(_x11.Display, _x11.RootWindow, 10, 10, defaultWidth, defaultHeight, 0,
                                    depth,
                                    (int)CreateWindowArgs.InputOutput,
                                    visual,
                                    new UIntPtr((uint)valueMask), ref attr);

            if (_useRenderWindow)
            {
                _renderHandle = XCreateWindow(_x11.Display, _handle, 0, 0, defaultWidth, defaultHeight, 0, depth,
                                              (int)CreateWindowArgs.InputOutput,
                                              visual,
                                              new UIntPtr((uint)(SetWindowValuemask.BorderPixel | SetWindowValuemask.BitGravity |
                                                                 SetWindowValuemask.WinGravity | SetWindowValuemask.BackingStore)), ref attr);
            }
            else
            {
                _renderHandle = _handle;
            }

            Handle    = new PlatformHandle(_handle, "XID");
            _realSize = new PixelSize(defaultWidth, defaultHeight);
            platform.Windows[_handle] = OnEvent;
            XEventMask ignoredMask = XEventMask.SubstructureRedirectMask
                                     | XEventMask.ResizeRedirectMask
                                     | XEventMask.PointerMotionHintMask;

            if (platform.XI2 != null)
            {
                ignoredMask |= platform.XI2.AddWindow(_handle, this);
            }
            var mask = new IntPtr(0xffffff ^ (int)ignoredMask);

            XSelectInput(_x11.Display, _handle, mask);
            var protocols = new[]
            {
                _x11.Atoms.WM_DELETE_WINDOW
            };

            XSetWMProtocols(_x11.Display, _handle, protocols, protocols.Length);
            XChangeProperty(_x11.Display, _handle, _x11.Atoms._NET_WM_WINDOW_TYPE, _x11.Atoms.XA_ATOM,
                            32, PropertyMode.Replace, new[] { _x11.Atoms._NET_WM_WINDOW_TYPE_NORMAL }, 1);

            if (platform.Options.WmClass != null)
            {
                SetWmClass(platform.Options.WmClass);
            }

            var surfaces = new List <object>
            {
                new X11FramebufferSurface(_x11.DeferredDisplay, _renderHandle,
                                          depth, () => RenderScaling)
            };

            if (egl != null)
            {
                surfaces.Insert(0,
                                new EglGlPlatformSurface(egl,
                                                         new SurfaceInfo(this, _x11.DeferredDisplay, _handle, _renderHandle)));
            }
            if (glx != null)
            {
                surfaces.Insert(0, new GlxGlPlatformSurface(glx.Display, glx.DeferredContext,
                                                            new SurfaceInfo(this, _x11.Display, _handle, _renderHandle)));
            }

            Surfaces = surfaces.ToArray();
            UpdateMotifHints();
            UpdateSizeHints(null);
            _xic = XCreateIC(_x11.Xim, XNames.XNInputStyle, XIMProperties.XIMPreeditNothing | XIMProperties.XIMStatusNothing,
                             XNames.XNClientWindow, _handle, IntPtr.Zero);
            _transparencyHelper = new TransparencyHelper(_x11, _handle, platform.Globals);
            _transparencyHelper.SetTransparencyRequest(WindowTransparencyLevel.None);

            XFlush(_x11.Display);
            if (_popup)
            {
                PopupPositioner = new ManagedPopupPositioner(new ManagedPopupPositionerPopupImplHelper(popupParent, MoveResize));
            }
            if (platform.Options.UseDBusMenu)
            {
                NativeMenuExporter = DBusMenuExporter.TryCreate(_handle);
            }
            NativeControlHost = new X11NativeControlHost(_platform, this);
            DispatcherTimer.Run(() =>
            {
                Paint?.Invoke(default);