mirror of
https://gitee.com/csharpui/CPF.git
synced 2025-04-04 23:39:26 +08:00
967 lines
36 KiB
C#
967 lines
36 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using CPF.Input;
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using System.Linq;
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using System.Runtime.InteropServices;
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using CPF.Drawing;
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namespace CPF.Linux
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{
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class DataObject : IDataObject
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{
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public static IntPtr textAtom = XLib.XInternAtom(LinuxPlatform.Platform.Display, "text/plain", false);
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public static IntPtr textUtf8Atom = XLib.XInternAtom(LinuxPlatform.Platform.Display, "text/plain;charset=utf-8", false);
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public static IntPtr htmlAtom = XLib.XInternAtom(LinuxPlatform.Platform.Display, "text/html", false);
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public static IntPtr fileNamesAtom = XLib.XInternAtom(LinuxPlatform.Platform.Display, "text/uri-list", false);
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public static List<(IntPtr, IntPtr, DataFormat)> atomNonProtocols = new List<(IntPtr, IntPtr, DataFormat)>();
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static DataObject()
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{
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var atoms = LinuxPlatform.Platform.Info.Atoms;
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//atomNonProtocols.Add((textAtom, XLib.XInternAtom(LinuxPlatform.Platform.Display,
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// String.Concat("MWFNonP+", "text/plain"), false), DataFormat.Text));
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//atomNonProtocols.Add((htmlAtom, XLib.XInternAtom(LinuxPlatform.Platform.Display,
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// String.Concat("MWFNonP+", "text/html"), false), DataFormat.Html));
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//atomNonProtocols.Add((fileNamesAtom, XLib.XInternAtom(LinuxPlatform.Platform.Display,
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// String.Concat("MWFNonP+", "text/uri-list"), false), DataFormat.FileNames));
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atomNonProtocols.Add((atoms.UTF8_STRING, atoms.UTF8_STRING, DataFormat.Text));
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atomNonProtocols.Add((atoms.COMPOUND_TEXT, atoms.COMPOUND_TEXT, DataFormat.Text));
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atomNonProtocols.Add((atoms.XA_STRING, atoms.XA_STRING, DataFormat.Text));
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atomNonProtocols.Add((atoms.STRING, atoms.STRING, DataFormat.Text));
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atomNonProtocols.Add((atoms.TEXT, atoms.TEXT, DataFormat.Text));
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}
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string text;
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string html;
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List<string> fileNames;
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X11Info x11Info;
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public DataObject()
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{
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x11Info = LinuxPlatform.Platform.Info;
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}
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public bool Contains(DataFormat dataFormat)
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{
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switch (dataFormat)
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{
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case DataFormat.Text:
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return text != null;
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case DataFormat.Html:
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return html != null;
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case DataFormat.FileNames:
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return fileNames != null;
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default:
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return false;
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}
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}
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public object GetData(DataFormat dataFormat)
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{
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switch (dataFormat)
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{
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case DataFormat.Text:
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return text;
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case DataFormat.Html:
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return html;
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case DataFormat.FileNames:
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return fileNames;
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default:
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return null;
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}
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}
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public DragDropEffects EffectFromAction(IntPtr action)
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{
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if (action == x11Info.Atoms.XdndActionCopy)
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return DragDropEffects.Copy;
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else if (action == x11Info.Atoms.XdndActionMove)
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return DragDropEffects.Move;
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if (action == x11Info.Atoms.XdndActionLink)
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return DragDropEffects.Link;
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return DragDropEffects.None;
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}
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private IntPtr ActionFromEffect(DragDropEffects effect)
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{
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IntPtr action = IntPtr.Zero;
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// We can't OR together actions on XDND so sadly the primary
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// is the only one shown here
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if ((effect & DragDropEffects.Copy) != 0)
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action = x11Info.Atoms.XdndActionCopy;
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else if ((effect & DragDropEffects.Move) != 0)
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action = x11Info.Atoms.XdndActionMove;
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else if ((effect & DragDropEffects.Link) != 0)
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action = x11Info.Atoms.XdndActionLink;
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return action;
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}
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//private IntPtr target;
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//private IntPtr source;
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//private IntPtr toplevel;
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IntPtr[] SupportedTypes;
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Point point;
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CancelHandle cancelHandle;
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IntPtr LastWindow;
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IntPtr TargetWindow;
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IntPtr SourceWindow;
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DragState State;
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IntPtr Action;
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public DragDropEffects AllowedEffects;
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//private bool dropped = false;
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(DataFormat, object)[] data;
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public DragDropEffects StartDrag(DragDropEffects allowedEffects, params (DataFormat, object)[] data)
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{
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if (X11Window.mouseDownWindow == IntPtr.Zero)
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{
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throw new Exception("必须是鼠标按下的时候调用");
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}
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SourceWindow = X11Window.mouseDownWindow;
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State = DragState.Beginning;
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//MouseState = XplatUIX11.MouseState;
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AllowedEffects = allowedEffects;
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Action = ActionFromEffect(allowedEffects);
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this.data = data;
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var suc = XLib.XSetSelectionOwner(LinuxPlatform.Platform.Display, x11Info.Atoms.XdndSelection, X11Window.mouseDownWindow, IntPtr.Zero);
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List<IntPtr> types = new List<IntPtr>();
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foreach (var item in data)
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{
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switch (item.Item1)
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{
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case DataFormat.Text:
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types.Add(textAtom);
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types.Add(x11Info.Atoms.UTF8_STRING);
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types.Add(x11Info.Atoms.STRING);
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types.Add(x11Info.Atoms.TEXT);
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types.Add(x11Info.Atoms.COMPOUND_TEXT);
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types.Add(textUtf8Atom);
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break;
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case DataFormat.Html:
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types.Add(htmlAtom);
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break;
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case DataFormat.FileNames:
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types.Add(fileNamesAtom);
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break;
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default:
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break;
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}
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}
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SupportedTypes = types.ToArray();
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if (suc == 0)
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{
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Console.Error.WriteLine("Could not take ownership of XdndSelection aborting drag.");
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//drag_data.Reset();
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return DragDropEffects.None;
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}
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//source = toplevel = target = X11Window.mouseDownWindow;
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State = DragState.Dragging;
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//dropped = false;
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TargetWindow = X11Window.mouseDownWindow;
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SendEnter(X11Window.mouseDownWindow, X11Window.mouseDownWindow, SupportedTypes);
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if (cancelHandle != null)
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{
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cancelHandle.Cancel = true;
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}
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cancelHandle = new CancelHandle();
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LinuxPlatform.Platform.RunMainLoop(cancelHandle, OnEvent);
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//if (!dropped)
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return EffectFromAction(Action);
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}
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bool WillAccept;
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// This version seems to be the most common
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private static readonly IntPtr[] XdndVersion = new IntPtr[] { new IntPtr(4) };
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private unsafe void SendEnter(IntPtr handle, IntPtr from, IntPtr[] supported)
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{
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XEvent xevent = new XEvent();
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xevent.AnyEvent.type = XEventName.ClientMessage;
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xevent.AnyEvent.display = LinuxPlatform.Platform.Display;
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xevent.ClientMessageEvent.window = handle;
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xevent.ClientMessageEvent.message_type = x11Info.Atoms.XdndEnter;
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xevent.ClientMessageEvent.format = 32;
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xevent.ClientMessageEvent.ptr1 = from;
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xevent.ClientMessageEvent.ptr5 = Action;
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// (int) xevent.ClientMessageEvent.ptr2 & 0x1)
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// int ptr2 = 0x1;
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// xevent.ClientMessageEvent.ptr2 = (IntPtr) ptr2;
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// (e)->xclient.data.l[1] = ((e)->xclient.data.l[1] & ~(0xFF << 24)) | ((v) << 24)
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//xevent.ClientMessageEvent.ptr2 = (IntPtr)((long)XdndVersion[0] << 24);
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xevent.ClientMessageEvent.ptr2 = (IntPtr)67108865;
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//if (supported.Length > 0)
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// xevent.ClientMessageEvent.ptr3 = supported[0];
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//if (supported.Length > 1)
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// xevent.ClientMessageEvent.ptr4 = supported[1];
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//if (supported.Length > 2)
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// xevent.ClientMessageEvent.ptr5 = supported[2];
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//var list = supported.Select(a => (int)a).ToArray();
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//fixed (void* data = list)
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//{
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XLib.XChangeProperty(x11Info.Display, from, x11Info.Atoms.XdndTypeList, (IntPtr)Atom.XA_ATOM, 32, PropertyMode.Replace, supported, supported.Length);
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//}
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Console.WriteLine("SendEnter" + handle);
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XLib.XSendEvent(LinuxPlatform.Platform.Display, handle, false, IntPtr.Zero, ref xevent);
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}
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bool OnEvent(ref XEvent xEvent)
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{
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//Console.WriteLine(xEvent.type);
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switch (xEvent.type)
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{
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case XEventName.ButtonRelease:
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SetResult();
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return true;
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case XEventName.MotionNotify:
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point = new Point(xEvent.MotionEvent.x, xEvent.MotionEvent.y);
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HandleMouseOver();
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return true;
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case XEventName.GenericEvent:
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unsafe
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{
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fixed (void* data = &xEvent.GenericEventCookie)
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{
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XLib.XGetEventData(LinuxPlatform.Platform.Info.Display, data);
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try
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{
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if (LinuxPlatform.Platform.Info.XInputOpcode ==
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xEvent.GenericEventCookie.extension)
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{
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var xev = (XIEvent*)xEvent.GenericEventCookie.data;
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if (LinuxPlatform.Platform.windows.TryGetValue(((XIDeviceEvent*)xev)->EventWindow, out var window))
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{
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if (xev->evtype == XiEventType.XI_ButtonRelease)
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{
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SetResult();
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}
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else if (xev->evtype == XiEventType.XI_Motion)
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{
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var ev = (XIDeviceEvent*)xev;
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point = new Point((float)ev->event_x, (float)ev->event_y);
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HandleMouseOver();
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}
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}
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}
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}
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finally
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{
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if (xEvent.GenericEventCookie.data != null)
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XLib.XFreeEventData(LinuxPlatform.Platform.Info.Display, data);
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}
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}
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return true;
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}
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case XEventName.ClientMessage:
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if (xEvent.ClientMessageEvent.message_type == x11Info.Atoms.XdndStatus)
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{
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WillAccept = ((int)xEvent.ClientMessageEvent.ptr2 & 0x1) != 0;
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GiveFeedback(xEvent.ClientMessageEvent.ptr5);
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//Console.WriteLine("WillAccept" + WillAccept);
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return true;
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}
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else if (xEvent.ClientMessageEvent.message_type == x11Info.Atoms.XdndFinished)
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{
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cancelHandle.Cancel = true;
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return true;
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}
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break;
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case XEventName.SelectionRequest:
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if (xEvent.SelectionRequestEvent.selection != x11Info.Atoms.XdndSelection)
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break;
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//Console.WriteLine("requestor:" + xEvent.SelectionRequestEvent.requestor);
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//foreach (var item in data)
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//{
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var type = xEvent.SelectionRequestEvent.target;
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var item = data.FirstOrDefault();
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if (type == textAtom || type == textUtf8Atom || type == x11Info.Atoms.STRING || type == x11Info.Atoms.TEXT)
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{
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item = data.FirstOrDefault(a => a.Item1 == DataFormat.Text);
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}
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else if (type == htmlAtom)
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{
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item = data.FirstOrDefault(a => a.Item1 == DataFormat.Html);
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}
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else if (type == fileNamesAtom)
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{
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item = data.FirstOrDefault(a => a.Item1 == DataFormat.FileNames);
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}
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if (item.Item2 != null)
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{
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switch (item.Item1)
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{
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case DataFormat.Text:
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SetTextData(item.Item2, ref xEvent);
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break;
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case DataFormat.Html:
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SetHtmlData(item.Item2, ref xEvent);
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break;
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case DataFormat.FileNames:
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SetFileNameData(item.Item2, ref xEvent);
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break;
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}
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//}
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XLib.XFlush(x11Info.Display);
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}
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return true;
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}
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return false;
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}
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private void SetResult()
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{
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if (State == DragState.Beginning)
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{
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//state = State.Accepting;
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}
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else if (State != DragState.None)
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{
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if (WillAccept)
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{
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SendDrop(TargetWindow, SourceWindow, IntPtr.Zero);
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SendLeave(TargetWindow, SourceWindow);
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XLib.XChangeActivePointerGrab(x11Info.Display,
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EventMask.ButtonMotionMask |
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EventMask.PointerMotionMask |
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EventMask.ButtonPressMask |
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EventMask.ButtonReleaseMask,
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(IntPtr)((Cursor)Cursors.Arrow).PlatformCursor, IntPtr.Zero);
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//if (QueryContinue(false, DragAction.Drop))
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// return;
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}
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else
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{
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cancelHandle.Cancel = true;
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SendLeave(TargetWindow, SourceWindow);
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//if (QueryContinue(false, DragAction.Cancel))
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// return;
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// fallback if no movement was detected, as .net does.
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//if (motion_poll == -1)
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// DefaultEnterLeave(drag_data.Data);
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}
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State = DragState.None;
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// WE can't reset the drag data yet as it is still
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// most likely going to be used by the SelectionRequest
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// handlers
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}
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}
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DataFormat dataFormat;
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DragDropEffects dragDropEffects;
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public DragDropEffects DropEffects
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{
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get { return dragDropEffects; }
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}
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public void SetDragDropEffects(DragDropEffects dragDropEffects)
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{
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if (dragDropEffects != this.dragDropEffects)
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{
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SendStatus(TargetWindow, dragDropEffects);//发送消息，确定可以接受数据
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}
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this.dragDropEffects = dragDropEffects;
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}
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Threading.DispatcherTimer timer;
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public void StopTimer()
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{
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if (timer != null)
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{
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timer.Stop();
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timer.Dispose();
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timer = null;
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}
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if (cancelHandle != null)
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{
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cancelHandle.Cancel = true;
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cancelHandle = null;
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}
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}
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public void DragEnter(ref XEvent xEvent, EventHandler eventHandler)
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{
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dataFormat = DataFormat.Unknown;
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text = null;
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html = null;
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fileNames = null;
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TargetWindow = xEvent.AnyEvent.window;
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SourceWindow = xEvent.ClientMessageEvent.ptr1;
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SendStatus(SourceWindow, DropEffects);//发送消息，确定可以接受数据
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//确认可以接受数据的格式
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foreach (IntPtr atom in SourceSupportedList(ref xEvent))
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{
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//Console.WriteLine("格式：" + XLib.GetAtomName(x11Info.Display, atom));
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var f = atomNonProtocols.FirstOrDefault(a => a.Item1 == atom);
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Console.WriteLine(XLib.GetAtomName(LinuxPlatform.Platform.Display, atom));
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if (f.Item1 == IntPtr.Zero || dataFormat.HasFlag(f.Item3))
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{
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continue;
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}
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dataFormat |= f.Item3;
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XLib.XConvertSelection(x11Info.Display, x11Info.Atoms.XdndSelection, atom,
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f.Item2, TargetWindow, IntPtr.Zero /* CurrentTime */);
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}
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if (cancelHandle != null)
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{
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cancelHandle.Cancel = true;
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}
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cancelHandle = new CancelHandle();
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LinuxPlatform.Platform.RunMainLoop(cancelHandle, OnAcceptEvent);
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if (cancelHandle != null)
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{
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if (timer == null)
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{
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timer = new Threading.DispatcherTimer { Interval = TimeSpan.FromMilliseconds(100) };
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timer.Tick += eventHandler;
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}
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timer.Start();
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}
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}
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public bool OnAcceptEvent(ref XEvent xEvent)
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{
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if (xEvent.type == XEventName.SelectionNotify)
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{
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var df = dataFormat;
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while (true)
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{
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if (df == DataFormat.Unknown)
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{
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break;
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}
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if (df.HasFlag(DataFormat.Text))
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{
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df ^= DataFormat.Text;
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text = GetText(ref xEvent);
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}
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if (df.HasFlag(DataFormat.Html))
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{
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df ^= DataFormat.Html;
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html = GetText(ref xEvent);
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}
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if (df.HasFlag(DataFormat.FileNames))
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{
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if (text == null)
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{
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text = GetText(ref xEvent);
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}
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df ^= DataFormat.FileNames;
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List<string> uri_list = new List<string>();
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string[] lines = text.Split(new char[] { '\r', '\n' });
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foreach (string line in lines)
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{
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// # is a comment line (see RFC 2483)
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if (line.StartsWith("#"))
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continue;
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try
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{
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Uri uri = new Uri(line);
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uri_list.Add(uri.LocalPath);
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}
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catch { }
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}
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fileNames = uri_list;
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//string[] l = (string[])uri_list.ToArray(typeof(string));
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}
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}
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if (cancelHandle != null)
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{
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cancelHandle.Cancel = true;
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}
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return true;
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}
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return false;
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}
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public unsafe string GetText(ref XEvent xevent)
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{
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int nread = 0;
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IntPtr nitems;
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IntPtr bytes_after;
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StringBuilder builder = new StringBuilder();
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do
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{
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IntPtr actual_type;
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int actual_fmt;
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IntPtr data = IntPtr.Zero;
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if (0 != XLib.XGetWindowProperty(x11Info.Display,
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xevent.AnyEvent.window,
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(IntPtr)xevent.SelectionEvent.property,
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IntPtr.Zero, new IntPtr(0xffffff), false,
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(IntPtr)Atom.AnyPropertyType, out actual_type,
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out actual_fmt, out nitems, out bytes_after,
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out data))
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{
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XLib.XFree(data);
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break;
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}
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//if (unicode)
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// builder.Append(Marshal.PtrToStringUni(data));
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//else
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// builder.Append(Marshal.PtrToStringAnsi(data));
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Encoding textEnc = GetStringEncoding(xevent.SelectionEvent.property);
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if (textEnc != null)
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{
|
|
var text = textEnc.GetString((byte*)data.ToPointer(), nitems.ToInt32());
|
|
builder.Append(text);
|
|
}
|
|
else
|
|
{
|
|
builder.Append(Marshal.PtrToStringAnsi(data));
|
|
}
|
|
|
|
nread += nitems.ToInt32();
|
|
|
|
XLib.XFree(data);
|
|
} while (bytes_after.ToInt32() > 0);
|
|
if (nread == 0)
|
|
return null;
|
|
return builder.ToString();
|
|
}
|
|
Encoding GetStringEncoding(IntPtr atom)
|
|
{
|
|
return (atom == x11Info.Atoms.XA_STRING || atom == x11Info.Atoms.OEMTEXT)
|
|
? Encoding.ASCII
|
|
: (atom == x11Info.Atoms.UTF8_STRING || atom == textUtf8Atom)
|
|
? Encoding.UTF8
|
|
: (atom == x11Info.Atoms.UTF16_STRING || atom == x11Info.Atoms.UNICODETEXT || atomNonProtocols.First(a => a.Item1 == htmlAtom).Item2 == atom)
|
|
? Encoding.Unicode
|
|
: null;
|
|
}
|
|
|
|
public void SendStatus(IntPtr source, DragDropEffects effect)
|
|
{
|
|
XEvent xevent = new XEvent();
|
|
|
|
xevent.AnyEvent.type = XEventName.ClientMessage;
|
|
xevent.AnyEvent.display = x11Info.Display;
|
|
xevent.ClientMessageEvent.window = source;
|
|
xevent.ClientMessageEvent.message_type = x11Info.Atoms.XdndStatus;
|
|
xevent.ClientMessageEvent.format = 32;
|
|
xevent.ClientMessageEvent.ptr1 = TargetWindow;
|
|
if (effect != DragDropEffects.None)
|
|
xevent.ClientMessageEvent.ptr2 = (IntPtr)1;
|
|
|
|
xevent.ClientMessageEvent.ptr5 = ActionFromEffect(effect);
|
|
XLib.XSendEvent(x11Info.Display, source, false, IntPtr.Zero, ref xevent);
|
|
//XLib.XSync(x11Info.Display,false);
|
|
Console.WriteLine("state:" + effect);
|
|
}
|
|
|
|
private void GiveFeedback(IntPtr action)
|
|
{
|
|
//GiveFeedbackEventArgs gfe = new GiveFeedbackEventArgs(EffectFromAction(drag_data.Action), true);
|
|
|
|
//Control c = MwfWindow(source);
|
|
//c.DndFeedback(gfe);
|
|
|
|
//if (gfe.UseDefaultCursors)
|
|
{
|
|
Cursor cursor = Cursors.No;
|
|
if (WillAccept)
|
|
{
|
|
// Same order as on MS
|
|
if (action == x11Info.Atoms.XdndActionCopy)
|
|
cursor = Cursors.DragCopy;
|
|
else if (action == x11Info.Atoms.XdndActionLink)
|
|
cursor = Cursors.DragLink;
|
|
else if (action == x11Info.Atoms.XdndActionMove)
|
|
cursor = Cursors.DragMove;
|
|
}
|
|
// TODO: Try not to set the cursor so much
|
|
//if (cursor.Handle != CurrentCursorHandle) {
|
|
XLib.XChangeActivePointerGrab(x11Info.Display,
|
|
EventMask.ButtonMotionMask |
|
|
EventMask.PointerMotionMask |
|
|
EventMask.ButtonPressMask |
|
|
EventMask.ButtonReleaseMask,
|
|
(IntPtr)cursor.PlatformCursor, IntPtr.Zero);
|
|
//CurrentCursorHandle = cursor.Handle;
|
|
//}
|
|
}
|
|
}
|
|
|
|
public IntPtr[] SourceSupportedList(ref XEvent xevent)
|
|
{
|
|
IntPtr[] res;
|
|
|
|
|
|
if (((int)xevent.ClientMessageEvent.ptr2 & 0x1) == 0)
|
|
{
|
|
res = new IntPtr[3];
|
|
res[0] = xevent.ClientMessageEvent.ptr3;
|
|
res[1] = xevent.ClientMessageEvent.ptr4;
|
|
res[2] = xevent.ClientMessageEvent.ptr5;
|
|
}
|
|
else
|
|
{
|
|
IntPtr type;
|
|
int format;
|
|
IntPtr count;
|
|
IntPtr remaining;
|
|
IntPtr data;
|
|
XLib.XGetWindowProperty(x11Info.Display, SourceWindow, x11Info.Atoms.XdndTypeList,
|
|
IntPtr.Zero, new IntPtr(32), false, (IntPtr)Atom.XA_ATOM,
|
|
out type, out format, out count,
|
|
out remaining, out data);
|
|
|
|
res = new IntPtr[count.ToInt32()];
|
|
for (int i = 0; i < count.ToInt32(); i++)
|
|
{
|
|
res[i] = (IntPtr)Marshal.ReadInt32(data, i *
|
|
Marshal.SizeOf(typeof(IntPtr)));
|
|
}
|
|
|
|
XLib.XFree(data);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
public void SetTextData(object data, ref XEvent xevent)
|
|
{
|
|
IntPtr buffer;
|
|
int len;
|
|
string str = data as string;
|
|
|
|
//if (str == null)
|
|
//{
|
|
// IDataObject dobj = data as IDataObject;
|
|
// if (dobj == null)
|
|
// return;
|
|
// str = (string)dobj.GetData("System.String", true);
|
|
//}
|
|
|
|
if (xevent.SelectionRequestEvent.target == (IntPtr)Atom.XA_STRING)
|
|
{
|
|
byte[] bytes = Encoding.ASCII.GetBytes(str);
|
|
buffer = Marshal.AllocHGlobal(bytes.Length);
|
|
len = bytes.Length;
|
|
for (int i = 0; i < len; i++)
|
|
Marshal.WriteByte(buffer, i, bytes[i]);
|
|
}
|
|
else if (xevent.SelectionRequestEvent.target == x11Info.Atoms.UTF8_STRING || xevent.SelectionRequestEvent.target == textUtf8Atom)
|
|
{
|
|
byte[] bytes = Encoding.UTF8.GetBytes(str);
|
|
buffer = Marshal.AllocHGlobal(bytes.Length);
|
|
len = bytes.Length;
|
|
for (int i = 0; i < len; i++)
|
|
Marshal.WriteByte(buffer, i, bytes[i]);
|
|
}
|
|
else
|
|
{
|
|
buffer = Marshal.StringToHGlobalAnsi(str);
|
|
len = 0;
|
|
while (Marshal.ReadByte(buffer, len) != 0)
|
|
len++;
|
|
}
|
|
|
|
SetProperty(ref xevent, buffer, len);
|
|
|
|
Marshal.FreeHGlobal(buffer);
|
|
}
|
|
public void SetHtmlData(object data, ref XEvent xevent)
|
|
{
|
|
IntPtr buffer;
|
|
int len;
|
|
string str = data as string;
|
|
|
|
if (str == null)
|
|
return;
|
|
|
|
if (xevent.SelectionRequestEvent.target == (IntPtr)Atom.XA_STRING)
|
|
{
|
|
byte[] bytes = Encoding.ASCII.GetBytes(str);
|
|
buffer = Marshal.AllocHGlobal(bytes.Length);
|
|
len = bytes.Length;
|
|
for (int i = 0; i < len; i++)
|
|
Marshal.WriteByte(buffer, i, bytes[i]);
|
|
}
|
|
else
|
|
{
|
|
buffer = Marshal.StringToHGlobalAnsi(str);
|
|
len = 0;
|
|
while (Marshal.ReadByte(buffer, len) != 0)
|
|
len++;
|
|
}
|
|
|
|
SetProperty(ref xevent, buffer, len);
|
|
|
|
Marshal.FreeHGlobal(buffer);
|
|
}
|
|
|
|
public void SetFileNameData(object data, ref XEvent xevent)
|
|
{
|
|
var uri_list = data as IEnumerable<string>;
|
|
|
|
//if (uri_list == null)
|
|
//{
|
|
// IDataObject dobj = data as IDataObject;
|
|
// if (dobj == null)
|
|
// return;
|
|
// uri_list = dobj.GetData(DataFormats.FileDrop, true) as string[];
|
|
//}
|
|
|
|
if (uri_list == null)
|
|
return;
|
|
|
|
StringBuilder res = new StringBuilder();
|
|
foreach (string uri_str in uri_list)
|
|
{
|
|
Uri uri = new Uri(uri_str);
|
|
res.Append(uri.ToString());
|
|
res.Append("\r\n");
|
|
}
|
|
|
|
IntPtr buffer = Marshal.StringToHGlobalAnsi((string)res.ToString());
|
|
int len = 0;
|
|
while (Marshal.ReadByte(buffer, len) != 0)
|
|
len++;
|
|
|
|
SetProperty(ref xevent, buffer, len);
|
|
}
|
|
private void SetProperty(ref XEvent xevent, IntPtr data, int length)
|
|
{
|
|
XEvent sel = new XEvent();
|
|
sel.SelectionEvent.type = XEventName.SelectionNotify;
|
|
sel.SelectionEvent.send_event = true;
|
|
sel.SelectionEvent.display = x11Info.Display;
|
|
sel.SelectionEvent.selection = xevent.SelectionRequestEvent.selection;
|
|
sel.SelectionEvent.target = xevent.SelectionRequestEvent.target;
|
|
sel.SelectionEvent.requestor = xevent.SelectionRequestEvent.requestor;
|
|
sel.SelectionEvent.time = xevent.SelectionRequestEvent.time;
|
|
sel.SelectionEvent.property = xevent.SelectionRequestEvent.property;
|
|
|
|
XLib.XChangeProperty(x11Info.Display, xevent.SelectionRequestEvent.requestor,
|
|
xevent.SelectionRequestEvent.property,
|
|
xevent.SelectionRequestEvent.target,
|
|
8, PropertyMode.Replace, data, length);
|
|
|
|
XLib.XSendEvent(x11Info.Display, xevent.SelectionRequestEvent.requestor, true,
|
|
(IntPtr)EventMask.NoEventMask, ref sel);
|
|
return;
|
|
}
|
|
|
|
public bool HandleMouseOver()
|
|
{
|
|
IntPtr toplevel, window;
|
|
int x_root, y_root;
|
|
|
|
GetWindowsUnderPointer(out window, out toplevel, out x_root, out y_root);
|
|
|
|
if (window != LastWindow && State == DragState.Entered)
|
|
{
|
|
State = DragState.Dragging;
|
|
|
|
// TODO: Send a Leave if this is an MWF window
|
|
|
|
if (toplevel != TargetWindow)
|
|
SendLeave(TargetWindow, toplevel);
|
|
}
|
|
|
|
State = DragState.Entered;
|
|
if (toplevel != TargetWindow)
|
|
{
|
|
if (cancelHandle == null || cancelHandle.Cancel)
|
|
{
|
|
return true;
|
|
}
|
|
// Entering a new toplevel window
|
|
SendEnter(toplevel, SourceWindow, SupportedTypes);
|
|
}
|
|
else
|
|
{
|
|
// Already in a toplevel window, so send a position
|
|
SendPosition(toplevel, SourceWindow,
|
|
Action,
|
|
x_root, y_root,
|
|
IntPtr.Zero);
|
|
}
|
|
|
|
TargetWindow = toplevel;
|
|
LastWindow = window;
|
|
return true;
|
|
}
|
|
void GetWindowsUnderPointer(out IntPtr window, out IntPtr toplevel, out int x_root, out int y_root)
|
|
{
|
|
toplevel = IntPtr.Zero;
|
|
window = x11Info.RootWindow;
|
|
|
|
IntPtr root, child;
|
|
bool dnd_aware = false;
|
|
int x_temp, y_temp;
|
|
int mask_return;
|
|
int x = x_root = (int)point.X;
|
|
int y = y_root = (int)point.Y;
|
|
|
|
while (XLib.XQueryPointer(x11Info.Display, window, out root, out child,
|
|
out x_temp, out y_temp, out x, out y, out mask_return))
|
|
{
|
|
|
|
if (!dnd_aware)
|
|
{
|
|
dnd_aware = IsWindowDndAware(window);
|
|
if (dnd_aware)
|
|
{
|
|
toplevel = window;
|
|
x_root = x_temp;
|
|
y_root = y_temp;
|
|
}
|
|
}
|
|
|
|
if (child == IntPtr.Zero)
|
|
break;
|
|
|
|
window = child;
|
|
}
|
|
}
|
|
|
|
|
|
private void SendDrop(IntPtr handle, IntPtr from, IntPtr time)
|
|
{
|
|
XEvent xevent = new XEvent();
|
|
|
|
xevent.AnyEvent.type = XEventName.ClientMessage;
|
|
xevent.AnyEvent.display = x11Info.Display;
|
|
xevent.ClientMessageEvent.window = handle;
|
|
xevent.ClientMessageEvent.message_type = x11Info.Atoms.XdndDrop;
|
|
xevent.ClientMessageEvent.format = 32;
|
|
xevent.ClientMessageEvent.ptr1 = from;
|
|
xevent.ClientMessageEvent.ptr3 = time;
|
|
|
|
XLib.XSendEvent(x11Info.Display, handle, false, IntPtr.Zero, ref xevent);
|
|
//dropped = true;
|
|
}
|
|
|
|
private void SendPosition(IntPtr handle, IntPtr from, IntPtr action, int x, int y, IntPtr time)
|
|
{
|
|
XEvent xevent = new XEvent();
|
|
|
|
xevent.AnyEvent.type = XEventName.ClientMessage;
|
|
xevent.AnyEvent.display = x11Info.Display;
|
|
xevent.ClientMessageEvent.window = handle;
|
|
xevent.ClientMessageEvent.message_type = x11Info.Atoms.XdndPosition;
|
|
xevent.ClientMessageEvent.format = 32;
|
|
xevent.ClientMessageEvent.ptr1 = from;
|
|
xevent.ClientMessageEvent.ptr3 = (IntPtr)((x << 16) | (y & 0xFFFF));
|
|
xevent.ClientMessageEvent.ptr4 = time;
|
|
xevent.ClientMessageEvent.ptr5 = action;
|
|
|
|
XLib.XSendEvent(x11Info.Display, handle, false, IntPtr.Zero, ref xevent);
|
|
}
|
|
|
|
private void SendLeave(IntPtr handle, IntPtr from)
|
|
{
|
|
XEvent xevent = new XEvent();
|
|
|
|
xevent.AnyEvent.type = XEventName.ClientMessage;
|
|
xevent.AnyEvent.display = x11Info.Display;
|
|
xevent.ClientMessageEvent.window = handle;
|
|
xevent.ClientMessageEvent.message_type = x11Info.Atoms.XdndLeave;
|
|
xevent.ClientMessageEvent.format = 32;
|
|
xevent.ClientMessageEvent.ptr1 = from;
|
|
|
|
XLib.XSendEvent(x11Info.Display, handle, false, IntPtr.Zero, ref xevent);
|
|
}
|
|
|
|
public void SendFinished()
|
|
{
|
|
XEvent xevent = new XEvent();
|
|
|
|
xevent.AnyEvent.type = XEventName.ClientMessage;
|
|
xevent.AnyEvent.display = x11Info.Display;
|
|
xevent.ClientMessageEvent.window = SourceWindow;
|
|
xevent.ClientMessageEvent.message_type = x11Info.Atoms.XdndFinished;
|
|
xevent.ClientMessageEvent.format = 32;
|
|
xevent.ClientMessageEvent.ptr1 = TargetWindow;
|
|
|
|
XLib.XSendEvent(x11Info.Display, SourceWindow, false, IntPtr.Zero, ref xevent);
|
|
XLib.XFlush(x11Info.Display);
|
|
}
|
|
|
|
private bool IsWindowDndAware(IntPtr handle)
|
|
{
|
|
bool res = true;
|
|
// Check the version number, we need greater than 3
|
|
IntPtr actual;
|
|
int format;
|
|
IntPtr count;
|
|
IntPtr remaining;
|
|
IntPtr data = IntPtr.Zero;
|
|
|
|
XLib.XGetWindowProperty(x11Info.Display, handle, x11Info.Atoms.XdndAware, IntPtr.Zero, new IntPtr(0x8000000), false,
|
|
(IntPtr)Atom.XA_ATOM, out actual, out format,
|
|
out count, out remaining, out data);
|
|
|
|
if (actual != (IntPtr)Atom.XA_ATOM || format != 32 ||
|
|
count.ToInt32() == 0 || data == IntPtr.Zero)
|
|
{
|
|
if (data != IntPtr.Zero)
|
|
XLib.XFree(data);
|
|
return false;
|
|
}
|
|
|
|
int version = Marshal.ReadInt32(data, 0);
|
|
|
|
if (version < 3)
|
|
{
|
|
Console.Error.WriteLine("XDND Version too old (" + version + ").");
|
|
XLib.XFree(data);
|
|
return false;
|
|
}
|
|
|
|
// First type is actually the XDND version
|
|
if (count.ToInt32() > 1)
|
|
{
|
|
res = false;
|
|
for (int i = 1; i < count.ToInt32(); i++)
|
|
{
|
|
IntPtr type = (IntPtr)Marshal.ReadInt32(data, i *
|
|
Marshal.SizeOf(typeof(int)));
|
|
for (int j = 0; j < SupportedTypes.Length; j++)
|
|
{
|
|
if (SupportedTypes[j] == type)
|
|
{
|
|
res = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
XLib.XFree(data);
|
|
return res;
|
|
}
|
|
private enum DragState
|
|
{
|
|
None,
|
|
Beginning,
|
|
Dragging,
|
|
Entered
|
|
}
|
|
|
|
}
|
|
}
|