mirror of
https://gitee.com/csharpui/CPF.git
synced 2025-04-05 08:37:19 +08:00
789 lines
30 KiB
C#
789 lines
30 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading;
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using System.Runtime.InteropServices;
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using CPF;
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using CPF.Drawing;
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using CPF.Input;
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using CPF.Platform;
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using System.Threading.Tasks;
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using CPF.Controls;
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using System.Linq;
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using System.Diagnostics;
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using static CPF.Linux.XLib;
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using static CPF.Linux.Glib;
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using static CPF.Linux.Gtk;
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using System.Net.Sockets;
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using System.Net;
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using System.IO;
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namespace CPF.Linux
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{
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public class LinuxPlatform : RuntimePlatform
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{
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public static LinuxPlatform Platform;
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////[DllImport("libXlibDemo.so")]
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////public static extern IntPtr OpenIM(IntPtr dpy);
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////[DllImport("libXlibDemo.so")]
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////public static extern IntPtr CreateIC(IntPtr xim, IntPtr win);
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//[DllImport("libXlibDemo.so")]
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//public static extern void Move(IntPtr win, IntPtr dpy, ref XEvent xEvent);
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///// <summary>
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///// https://blog.csdn.net/qq_32768743/article/details/90605212
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///// </summary>
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//public static void Test()
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//{
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// Console.WriteLine(setlocale(6, ""));
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// var dpy = XOpenDisplay(IntPtr.Zero);
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// XSupportsLocale();
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// Console.WriteLine(XSetLocaleModifiers(""));
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// IntPtr default_string = IntPtr.Zero;
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// var fontset = XCreateFontSet(dpy, "-*-*-medium-r-normal-*-*-120-*-*-*-*", out var missing_charsets, out var num_missing_charsets, ref default_string);
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// Console.WriteLine("default_string:" + Marshal.PtrToStringUni(default_string));
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// //Thread.Sleep(10000);
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// var screen = XDefaultScreen(dpy);
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// var win = XCreateSimpleWindow(dpy, XRootWindow(dpy, screen), 0, 0, 500, 200,
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// 2, XBlackPixel(dpy, screen), XWhitePixel(dpy, screen));
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// var gc = XCreateGC(dpy, win, 0, IntPtr.Zero);
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// XSetForeground(dpy, gc, XWhitePixel(dpy, screen));
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// XSetBackground(dpy, gc, XBlackPixel(dpy, screen));
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// var im = XOpenIM(dpy, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
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// var list = XVaCreateNestedList(0, XNames.XNFontSet, fontset, IntPtr.Zero);
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// var best_style = XIMProperties.XIMPreeditNothing | XIMProperties.XIMStatusNothing;
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// Console.WriteLine(string.Join("-", X11Window.GetSupportedInputStyles(im)));
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// var ic = XCreateIC(im,
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// XNames.XNInputStyle, best_style,
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// XNames.XNClientWindow, win,
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// IntPtr.Zero);
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// XFree(list);
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// long im_event_mask = 0;
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// XGetICValues(ic, XNames.XNFilterEvents, ref im_event_mask, IntPtr.Zero);
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// XSelectInput(dpy, win, (IntPtr)((long)(XEventMask.ExposureMask | XEventMask.KeyPressMask
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// | XEventMask.StructureNotifyMask) | im_event_mask));
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// XSetICFocus(ic);
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// XMapWindow(dpy, win);
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// //XRectangle preedit_area = new XRectangle();
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// //XRectangle status_area = new XRectangle();
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// while (true)
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// {
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// XNextEvent(dpy, out var xEvent);
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// if (XFilterEvent(ref xEvent, IntPtr.Zero))
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// continue;
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// //switch (xEvent.type)
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// //{
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// // case XEventName.KeyPress:
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// // break;
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// // case XEventName.ConfigureNotify:
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// // if ((best_style & XIMProperties.XIMPreeditArea) != 0)
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// // {
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// // preedit_area.width = (ushort)(xEvent.ConfigureEvent.width * 4 / 5);
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// // preedit_area.height = 0;
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// // GetPreferredGeometry(ic, XNames.XNPreeditAttributes, ref preedit_area);
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// // preedit_area.x = (short)(xEvent.ConfigureEvent.width - preedit_area.width);
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// // preedit_area.y = (short)(xEvent.ConfigureEvent.height - preedit_area.height);
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// // SetGeometry(ic, XNames.XNPreeditAttributes, preedit_area);
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// // }
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// // if ((best_style & XIMProperties.XIMStatusArea) != 0)
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// // {
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// // status_area.width = (ushort)(xEvent.ConfigureEvent.width / 5);
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// // status_area.height = 0;
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// // GetPreferredGeometry(ic, XNames.XNStatusAttributes, ref status_area);
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// // status_area.x = 0;
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// // status_area.y = (short)(xEvent.ConfigureEvent.height - status_area.height);
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// // SetGeometry(ic, XNames.XNStatusAttributes, status_area);
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// // }
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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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//}
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//static void GetPreferredGeometry(IntPtr ic, string name, ref XRectangle area)
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////XIC ic;
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////char *name; /* XNPreEditAttributes or XNStatusAttributes */
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////XRectangle *area; /* the constraints on the area */
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//{
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// var list = XVaCreateNestedList(0, "areaNeeded", ref area, IntPtr.Zero);
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// /* set the constraints */
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// XSetICValues(ic, name, list, IntPtr.Zero);
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// /* Now query the preferred size */
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// /* The Xsi input method, Xwnmo, seems to ignore the constraints, */
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// /* but we’re not going to try to enforce them here. */
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// XGetICValues(ic, name, list, IntPtr.Zero);
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// XFree(list);
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//}
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////XIC ic;
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////char *name; /* XNPreEditAttributes or XNStatusAttributes */
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////XRectangle *area; /* the actual area to set */
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//static unsafe void SetGeometry(IntPtr ic, string name, XRectangle area)
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//{
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// var list = XVaCreateNestedList(0, "area", ref area, IntPtr.Zero);
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// XSetICValues(ic, name, list, IntPtr.Zero);
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// XFree(list);
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//}
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enum EventCodes
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{
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X11 = 1,
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Signal = 2
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}
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//private int _sigread, _sigwrite;
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//private int _epoll;
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private object _lock = new object();
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//private bool _signaled;
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static Pollfd[] pollfds; // For watching the X11 socket
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static Socket listen; //
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static Socket wake; //
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static Socket wake_receive; //
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static byte[] network_buffer; //
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/// <summary>
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/// 启用触摸事件，之所有加上这个，因为部分Linux对XI2支持有问题
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/// </summary>
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public bool EnabledTouch { get; set; }
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public unsafe LinuxPlatform()
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{
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
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{
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Console.WriteLine($"系统架构：{RuntimeInformation.OSArchitecture}");
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Console.WriteLine($"系统名称：{RuntimeInformation.OSDescription}");
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Console.WriteLine($"进程架构：{RuntimeInformation.ProcessArchitecture}");
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Console.WriteLine($"是否64位操作系统：{Environment.Is64BitOperatingSystem}");
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Console.WriteLine("CPU CORE:" + Environment.ProcessorCount);
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Console.WriteLine("HostName:" + Environment.MachineName);
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Console.WriteLine("Version:" + Environment.OSVersion);
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Console.WriteLine("CPF Version:" + typeof(LinuxPlatform).Assembly.GetName().Version);
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Platform = this;
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XInitThreads();
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Display = XOpenDisplay(IntPtr.Zero);
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//Console.WriteLine(setlocale(6, ""));
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//DeferredDisplay = XOpenDisplay(IntPtr.Zero);
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if (Display == IntPtr.Zero)
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throw new Exception("XOpenDisplay failed");
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XError.Init();
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Info = new X11Info(Display, DeferredDisplay);
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Thread.CurrentThread.Name = "主线程";
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_cursors = Enum.GetValues(typeof(CursorFontShape)).Cast<CursorFontShape>()
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.ToDictionary(id => id, id => XLib.XCreateFontCursor(Display, id));
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if (Info.XInputVersion != null && EnabledTouch)
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{
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var xi2 = new XI2Manager();
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if (xi2.Init(this))
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XI2 = xi2;
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}
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var fd = XLib.XConnectionNumber(Display);
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//var ev = new epoll_event()
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//{
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// events = EPOLLIN,
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// data = { u32 = (int)EventCodes.X11 }
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//};
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//_epoll = epoll_create1(0);
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//if (_epoll == -1)
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// throw new Exception("epoll_create1 failed");
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//if (epoll_ctl(_epoll, EPOLL_CTL_ADD, fd, ref ev) == -1)
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// throw new Exception("Unable to attach X11 connection handle to epoll");
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//var fds = stackalloc int[2];
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////pipe2(fds, O_NONBLOCK);
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//if (pipe2(fds, O_NONBLOCK) == -1)
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// throw new Exception("Unable to create X11 pipe");
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//_sigread = fds[0];
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//_sigwrite = fds[1];
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//ev = new epoll_event
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//{
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// events = EPOLLIN,
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// data = { u32 = (int)EventCodes.Signal }
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//};
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//if (epoll_ctl(_epoll, EPOLL_CTL_ADD, _sigread, ref ev) == -1)
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// throw new Exception("Unable to attach signal pipe to epoll");
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// For sleeping on the X11 socket
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listen = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
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IPEndPoint ep = new IPEndPoint(IPAddress.Loopback, 0);
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listen.Bind(ep);
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listen.Listen(1);
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// To wake up when a timer is ready
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network_buffer = new byte[10];
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wake = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
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wake.Connect(listen.LocalEndPoint);
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// Make this non-blocking, so it doesn't
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// deadlock if too many wakes are sent
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// before the wake_receive end is polled
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wake.Blocking = false;
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wake_receive = listen.Accept();
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pollfds = new Pollfd[2];
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pollfds[0] = new Pollfd();
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pollfds[0].fd = fd;
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pollfds[0].events = PollEvents.POLLIN;
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pollfds[1] = new Pollfd();
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pollfds[1].fd = wake_receive.Handle.ToInt32();
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pollfds[1].events = PollEvents.POLLIN;
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XrmInitialize(); /* Need to initialize the DB before calling Xrm* functions */
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}
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}
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public XI2Manager XI2;
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public X11Info Info { get; private set; }
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public IntPtr DeferredDisplay { get; set; }
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public IntPtr Display { get; set; }
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public override PixelPoint MousePosition
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{
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get
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{
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var po = GetCursorPos(Info);
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//Console.WriteLine(po);
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return new PixelPoint(po.x, po.y);
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}
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}
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public override TimeSpan DoubleClickTime
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{
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get
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{
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return TimeSpan.FromSeconds(0.4);
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}
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}
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public override IPopupImpl CreatePopup()
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{
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return new PopWindow();
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}
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public override IWindowImpl CreateWindow()
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{
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return new X11Window();
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}
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DataObject dataObject;
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public override DragDropEffects DoDragDrop(DragDropEffects allowedEffects, params (DataFormat, object)[] data)
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{
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dataObject = new DataObject();
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dataObject.StartDrag(allowedEffects, data);
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return allowedEffects;
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}
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public override IReadOnlyList<Screen> GetAllScreen()
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{
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return ScreenImpl.Screens;
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}
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public override IClipboard GetClipboard()
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{
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return new X11Clipboard();
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}
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private Dictionary<CursorFontShape, IntPtr> _cursors;
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private static readonly Dictionary<Cursors, CursorFontShape> s_mapping =
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new Dictionary<Cursors, CursorFontShape>
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{
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{Cursors.Arrow, CursorFontShape.XC_top_left_arrow},
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{Cursors.Cross, CursorFontShape.XC_cross},
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{Cursors.Hand, CursorFontShape.XC_hand1},
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{Cursors.Help, CursorFontShape.XC_question_arrow},
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{Cursors.Ibeam, CursorFontShape.XC_xterm},
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{Cursors.No, CursorFontShape.XC_X_cursor},
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{Cursors.Wait, CursorFontShape.XC_watch},
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{Cursors.AppStarting, CursorFontShape.XC_watch},
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{Cursors.BottomSide, CursorFontShape.XC_bottom_side},
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{Cursors.DragCopy, CursorFontShape.XC_center_ptr},
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{Cursors.DragLink, CursorFontShape.XC_fleur},
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{Cursors.DragMove, CursorFontShape.XC_diamond_cross},
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{Cursors.LeftSide, CursorFontShape.XC_left_side},
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{Cursors.RightSide, CursorFontShape.XC_right_side},
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{Cursors.SizeAll, CursorFontShape.XC_sizing},
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{Cursors.TopSide, CursorFontShape.XC_top_side},
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{Cursors.UpArrow, CursorFontShape.XC_sb_up_arrow},
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{Cursors.BottomLeftCorner, CursorFontShape.XC_bottom_left_corner},
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{Cursors.BottomRightCorner, CursorFontShape.XC_bottom_right_corner},
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{Cursors.SizeNorthSouth, CursorFontShape.XC_sb_v_double_arrow},
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{Cursors.SizeWestEast, CursorFontShape.XC_sb_h_double_arrow},
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{Cursors.TopLeftCorner, CursorFontShape.XC_top_left_corner},
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{Cursors.TopRightCorner, CursorFontShape.XC_top_right_corner},
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};
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public override object GetCursor(Cursors cursorType)
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{
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IntPtr handle;
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//if (cursorType == Cursors.None)
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//{
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// handle = _nullCursor;
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//}
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//else
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//{
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handle = s_mapping.TryGetValue(cursorType, out var shape)
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? _cursors[shape]
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: _cursors[CursorFontShape.XC_top_left_arrow];
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//}
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return handle;
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}
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public override SynchronizationContext GetSynchronizationContext()
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{
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return new LinuxSynchronizationContext();
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}
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static Dictionary<KeyGesture, PlatformHotkey> keyValuePairs = new Dictionary<KeyGesture, PlatformHotkey>() {
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{ new KeyGesture(Keys.C,InputModifiers.Control),PlatformHotkey.Copy},
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{ new KeyGesture(Keys.X,InputModifiers.Control),PlatformHotkey.Cut},
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{ new KeyGesture(Keys.V,InputModifiers.Control),PlatformHotkey.Paste},
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{ new KeyGesture(Keys.Y,InputModifiers.Control),PlatformHotkey.Redo},
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{ new KeyGesture(Keys.A,InputModifiers.Control),PlatformHotkey.SelectAll},
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{ new KeyGesture(Keys.Z,InputModifiers.Control),PlatformHotkey.Undo},
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};
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public override PlatformHotkey Hotkey(KeyGesture keyGesture)
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{
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keyValuePairs.TryGetValue(keyGesture, out PlatformHotkey platformHotkey);
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return platformHotkey;
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}
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internal Dictionary<IntPtr, XWindow> windows = new Dictionary<IntPtr, XWindow>();
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internal bool run = true;
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public unsafe override void Run()
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{
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//X11Window x11Window = new X11Window();
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//x11Window.SetVisible(true);
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DoTask();
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while (run)
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{
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XSync(Display, false);
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while (XPending(Display) != 0)
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{
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XNextEvent(Display, out var xev);
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if (XFilterEvent(ref xev, IntPtr.Zero))
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{
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continue;
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}
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OnEvent(ref xev, null);
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}
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//Invoke();
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//Thread.Sleep(1);
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//lock (_lock)
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//{
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// _signaled = false;
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// int buf = 0;
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// while (read(_sigread, &buf, new IntPtr(4)).ToInt64() > 0)
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// {
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// }
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//}
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DoTask();
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Wait();
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}
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XCloseDisplay(Display);
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}
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public override void Run(CancellationToken cancellation)
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{
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//Console.WriteLine("开始循环");
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while (!cancellation.IsCancellationRequested && run)
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{
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XSync(Display, false);
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while (XPending(Display) != 0)
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{
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XNextEvent(Display, out var xev);
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if (XFilterEvent(ref xev, IntPtr.Zero))
|
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{
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continue;
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}
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OnEvent(ref xev, null);
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}
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DoTask();
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if (cancellation.IsCancellationRequested)
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{
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break;
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}
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Wait();
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}
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//Console.WriteLine("结束循环" + cancellation.IsCancellationRequested + run);
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}
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private unsafe void Wait()
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{
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XFlush(Display);
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if (XPending(Display) == 0)
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{
|
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//if (run)
|
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//{
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//epoll_event ev;
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// epoll_wait(_epoll, &ev, 1, -1);//-1永久阻塞，直到有信号,
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//}
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poll(pollfds, (uint)pollfds.Length, -1);
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// Clean out buffer, so we're not busy-looping on the same data
|
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//if (length == pollfds.Length)
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{
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if (pollfds[1].revents != 0)
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wake_receive.Receive(network_buffer, 0, 1, SocketFlags.None);
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}
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}
|
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CPF.Threading.DispatcherTimer.SetTimeTick();
|
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}
|
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HashSet<XEventHandler> handlers = new HashSet<XEventHandler>();
|
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public unsafe void RunMainLoop(CancelHandle cancelHandle, XEventHandler action)
|
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{
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handlers.Add(action);
|
||
while (!cancelHandle.Cancel && run)
|
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{
|
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XSync(Display, false);
|
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while (XPending(Display) != 0)
|
||
{
|
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XNextEvent(Display, out var xev);
|
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if (XFilterEvent(ref xev, IntPtr.Zero))
|
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{
|
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continue;
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}
|
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if (!action(ref xev))
|
||
{
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OnEvent(ref xev, action);
|
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}
|
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}
|
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//Invoke();
|
||
//Thread.Sleep(1);
|
||
//lock (_lock)
|
||
//{
|
||
// _signaled = false;
|
||
// int buf = 0;
|
||
// while (read(_sigread, &buf, new IntPtr(4)).ToInt64() > 0)
|
||
// {
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||
// }
|
||
//}
|
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|
||
DoTask();
|
||
Wait();
|
||
}
|
||
handlers.Remove(action);
|
||
}
|
||
|
||
internal unsafe void SetFlag()
|
||
{
|
||
//lock (_lock)
|
||
//{
|
||
// if (_signaled)
|
||
// return;
|
||
// _signaled = true;
|
||
// int buf = 0;
|
||
// write(_sigwrite, &buf, new IntPtr(1));
|
||
//}
|
||
try
|
||
{
|
||
wake.Send(new byte[] { 0xFF });
|
||
}
|
||
catch (SocketException ex)
|
||
{
|
||
if (ex.SocketErrorCode != SocketError.WouldBlock)
|
||
{
|
||
throw;
|
||
}
|
||
}
|
||
}
|
||
|
||
void Invoke()
|
||
{
|
||
if (LinuxSynchronizationContext.asyncQueue.TryDequeue(out SendOrPostData postData))
|
||
{
|
||
postData.SendOrPostCallback(postData.Data);
|
||
}
|
||
if (LinuxSynchronizationContext.invokeQueue.TryDequeue(out SendOrPostData result))
|
||
{
|
||
result.SendOrPostCallback(result.Data);
|
||
result.ManualResetEvent.Set();
|
||
}
|
||
}
|
||
unsafe void OnEvent(ref XEvent xev, XEventHandler action)
|
||
{
|
||
foreach (var item in handlers.Reverse())
|
||
{
|
||
if (action != item)
|
||
{
|
||
if (item(ref xev))
|
||
{
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
//if (xev.type == XEventName.GenericEvent)
|
||
// fixed (void* data = &xev.GenericEventCookie)
|
||
// {
|
||
// XGetEventData(Display, data);
|
||
// }
|
||
if (windows.TryGetValue(xev.AnyEvent.window, out var window))
|
||
{
|
||
lock (XWindow.XlibLock)
|
||
{
|
||
window.OnEvent(ref xev);
|
||
}
|
||
}
|
||
else if (xev.type == XEventName.GenericEvent && LinuxPlatform.Platform.XI2 != null)
|
||
{
|
||
fixed (void* data = &xev.GenericEventCookie)
|
||
{
|
||
XGetEventData(Info.Display, data);
|
||
try
|
||
{
|
||
if (Info.XInputOpcode ==
|
||
xev.GenericEventCookie.extension)
|
||
{
|
||
//Console.WriteLine((IntPtr)ev.GenericEventCookie.data);
|
||
var ev = (XIEvent*)xev.GenericEventCookie.data;
|
||
if (windows.TryGetValue(((XIDeviceEvent*)ev)->EventWindow, out window))
|
||
{
|
||
Platform.XI2.OnEvent(ev, (X11Window)window);
|
||
}
|
||
}
|
||
}
|
||
finally
|
||
{
|
||
if (xev.GenericEventCookie.data != null)
|
||
XFreeEventData(Info.Display, data);
|
||
}
|
||
}
|
||
}
|
||
//}
|
||
//finally
|
||
//{
|
||
// if (xev.type == XEventName.GenericEvent && xev.GenericEventCookie.data != null)
|
||
// XFreeEventData(Display, &xev.GenericEventCookie);
|
||
//}
|
||
}
|
||
|
||
private static unsafe void DoTask()
|
||
{
|
||
if (LinuxSynchronizationContext.invokeQueue.Count > 0)
|
||
{
|
||
while (LinuxSynchronizationContext.invokeQueue.TryDequeue(out var result))
|
||
{
|
||
result.SendOrPostCallback(result.Data);
|
||
result.ManualResetEvent.Set();
|
||
}
|
||
}
|
||
if (LinuxSynchronizationContext.asyncQueue.Count > 0)
|
||
{
|
||
while (LinuxSynchronizationContext.asyncQueue.TryDequeue(out SendOrPostData data))
|
||
{
|
||
data.SendOrPostCallback(data.Data);
|
||
}
|
||
}
|
||
}
|
||
|
||
void UpdateParent(IntPtr chooser, IWindowImpl parentWindow)
|
||
{
|
||
var xid = ((X11Window)parentWindow).Handle;
|
||
gtk_widget_realize(chooser);
|
||
var window = gtk_widget_get_window(chooser);
|
||
var parent = GetForeignWindow(xid);
|
||
if (window != IntPtr.Zero && parent != IntPtr.Zero)
|
||
gdk_window_set_transient_for(window, parent);
|
||
}
|
||
|
||
async Task EnsureInitialized()
|
||
{
|
||
if (_initialized == null) _initialized = StartGtk();
|
||
|
||
if (!(await _initialized))
|
||
throw new Exception("Unable to initialize GTK on separate thread");
|
||
}
|
||
private Task<bool> _initialized;
|
||
private unsafe Task<string[]> ShowDialog(string title, IWindowImpl parent, GtkFileChooserAction action,
|
||
bool multiSelect, string initialFileName, IEnumerable<FileDialogFilter> filters)
|
||
{
|
||
IntPtr dlg;
|
||
using (var name = new Utf8Buffer(title))
|
||
dlg = gtk_file_chooser_dialog_new(name, IntPtr.Zero, action, IntPtr.Zero);
|
||
UpdateParent(dlg, parent);
|
||
if (multiSelect)
|
||
gtk_file_chooser_set_select_multiple(dlg, true);
|
||
|
||
gtk_window_set_modal(dlg, true);
|
||
var tcs = new TaskCompletionSource<string[]>();
|
||
List<IDisposable> disposables = null;
|
||
|
||
|
||
if (filters != null)
|
||
foreach (var f in filters.Where(a => !string.IsNullOrWhiteSpace(a.Extensions)))
|
||
{
|
||
var filter = gtk_file_filter_new();
|
||
using (var b = new Utf8Buffer(f.Name))
|
||
gtk_file_filter_set_name(filter, b);
|
||
|
||
foreach (var e in f.Extensions.Split(',').Where(a => !string.IsNullOrWhiteSpace(a)).Select(a => a.Trim()))
|
||
using (var b = new Utf8Buffer("*." + e))
|
||
gtk_file_filter_add_pattern(filter, b);
|
||
|
||
gtk_file_chooser_add_filter(dlg, filter);
|
||
}
|
||
|
||
disposables = new List<IDisposable>
|
||
{
|
||
ConnectSignal<signal_generic>(dlg, "close", delegate
|
||
{
|
||
tcs.TrySetResult(null);
|
||
foreach (var d in disposables) d.Dispose();
|
||
disposables.Clear();
|
||
return false;
|
||
}),
|
||
ConnectSignal<signal_dialog_response>(dlg, "response", (_, resp, __) =>
|
||
{
|
||
string[] result = null;
|
||
if (resp == GtkResponseType.Accept)
|
||
{
|
||
var resultList = new List<string>();
|
||
var gs = gtk_file_chooser_get_filenames(dlg);
|
||
var cgs = gs;
|
||
while (cgs != null)
|
||
{
|
||
if (cgs->Data != IntPtr.Zero)
|
||
resultList.Add(Utf8Buffer.StringFromPtr(cgs->Data));
|
||
cgs = cgs->Next;
|
||
}
|
||
g_slist_free(gs);
|
||
result = resultList.ToArray();
|
||
}
|
||
|
||
gtk_widget_hide(dlg);
|
||
foreach (var d in disposables) d.Dispose();
|
||
disposables.Clear();
|
||
tcs.TrySetResult(result);
|
||
return false;
|
||
})
|
||
};
|
||
using (var open = new Utf8Buffer(
|
||
action == GtkFileChooserAction.Save ? "Save"
|
||
: action == GtkFileChooserAction.SelectFolder ? "Select"
|
||
: "Open"))
|
||
gtk_dialog_add_button(dlg, open, GtkResponseType.Accept);
|
||
using (var open = new Utf8Buffer("Cancel"))
|
||
gtk_dialog_add_button(dlg, open, GtkResponseType.Cancel);
|
||
if (initialFileName != null)
|
||
using (var fn = new Utf8Buffer(initialFileName))
|
||
{
|
||
if (action == GtkFileChooserAction.Save)
|
||
gtk_file_chooser_set_current_name(dlg, fn);
|
||
else
|
||
gtk_file_chooser_set_filename(dlg, fn);
|
||
}
|
||
|
||
gtk_window_present(dlg);
|
||
return tcs.Task;
|
||
}
|
||
|
||
string NameWithExtension(string path, string defaultExtension, FileDialogFilter filter)
|
||
{
|
||
var name = Path.GetFileName(path);
|
||
if (name != null && !name.Contains("."))
|
||
{
|
||
if (!string.IsNullOrWhiteSpace(filter?.Extensions))
|
||
{
|
||
if (defaultExtension != null
|
||
&& filter.Extensions.Contains(defaultExtension))
|
||
return path + "." + defaultExtension.TrimStart('.');
|
||
|
||
var ext = filter.Extensions.Split(',').FirstOrDefault(x => x != "*");
|
||
if (ext != null)
|
||
return path + "." + ext.TrimStart('.');
|
||
}
|
||
|
||
if (defaultExtension != null)
|
||
path += "." + defaultExtension.TrimStart('.');
|
||
}
|
||
|
||
return path;
|
||
}
|
||
|
||
public override async Task<string[]> ShowFileDialogAsync(FileDialog dialog, IWindowImpl parent)
|
||
{
|
||
await EnsureInitialized();
|
||
return await await RunOnGlibThread(
|
||
() => ShowDialog(dialog.Title, parent,
|
||
dialog is OpenFileDialog ? GtkFileChooserAction.Open : GtkFileChooserAction.Save,
|
||
(dialog as OpenFileDialog)?.AllowMultiple ?? false,
|
||
System.IO.Path.Combine(string.IsNullOrEmpty(dialog.Directory) ? "" : dialog.Directory,
|
||
string.IsNullOrEmpty(dialog.InitialFileName) ? "" : dialog.InitialFileName), dialog.Filters));
|
||
}
|
||
|
||
public override async Task<string> ShowFolderDialogAsync(OpenFolderDialog dialog, IWindowImpl parent)
|
||
{
|
||
await EnsureInitialized();
|
||
return await await RunOnGlibThread(async () =>
|
||
{
|
||
var res = await ShowDialog(dialog.Title, parent,
|
||
GtkFileChooserAction.SelectFolder, false, dialog.Directory, null);
|
||
return res?.FirstOrDefault();
|
||
});
|
||
}
|
||
|
||
public override INativeImpl CreateNative()
|
||
{
|
||
return new NativeHost();
|
||
}
|
||
|
||
public override INotifyIconImpl CreateNotifyIcon()
|
||
{
|
||
return new NotifyIcon();
|
||
}
|
||
|
||
}
|
||
/// <summary>
|
||
/// 处理事件，返回值为true的时候不调用默认处理方法
|
||
/// </summary>
|
||
/// <param name="xEvent"></param>
|
||
/// <returns></returns>
|
||
public delegate bool XEventHandler(ref XEvent xEvent);
|
||
|
||
public class CancelHandle
|
||
{
|
||
public bool Cancel { get; set; }
|
||
|
||
public object Data { get; set; }
|
||
/// <summary>
|
||
/// 设置数据，同时设置Cancel=true
|
||
/// </summary>
|
||
/// <param name="data"></param>
|
||
public void SetResult(object data)
|
||
{
|
||
Data = data;
|
||
Cancel = true;
|
||
}
|
||
}
|
||
}
|