mirror of
https://github.com/wismna/ModernKeePassLib.git
synced 2025-10-03 15:40:20 -04:00
191 lines
4.9 KiB
C#
191 lines
4.9 KiB
C#
/*
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KeePass Password Safe - The Open-Source Password Manager
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Copyright (C) 2003-2020 Dominik Reichl <dominik.reichl@t-online.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Reflection;
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using System.Text;
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namespace ModernKeePassLib.Native
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{
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internal static class ClipboardU
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{
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internal const string XSel = "xsel";
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private const string XSelV = "--version";
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private const string XSelR = "--output --clipboard";
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private const string XSelC = "--clear --clipboard";
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private const string XSelW = "--input --clipboard";
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private const string XSelND = " --nodetach";
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private const AppRunFlags XSelWF = AppRunFlags.WaitForExit;
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private static bool? g_obXSel = null;
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public static string GetText()
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{
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// System.Windows.Forms.Clipboard doesn't work properly,
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// see Mono workaround 1530
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// string str = GtkGetText();
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// if(str != null) return str;
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return XSelGetText();
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}
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public static bool SetText(string strText, bool bMayBlock)
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{
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string str = (strText ?? string.Empty);
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// System.Windows.Forms.Clipboard doesn't work properly,
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// see Mono workaround 1530
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// if(GtkSetText(str)) return true;
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return XSelSetText(str, bMayBlock);
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}
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// =============================================================
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// LibGTK
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// Even though GTK+ 3 appears to be loaded already, performing a
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// P/Invoke of LibGTK's gtk_init_check function terminates the
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// process (!) with the following error message:
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// "Gtk-ERROR **: GTK+ 2.x symbols detected. Using GTK+ 2.x and
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// GTK+ 3 in the same process is not supported".
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/* private static bool GtkInit()
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{
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try
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{
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// GTK requires GLib;
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// the following throws if and only if GLib is unavailable
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NativeMethods.g_free(IntPtr.Zero);
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if(NativeMethods.gtk_init_check(IntPtr.Zero, IntPtr.Zero) !=
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NativeMethods.G_FALSE)
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return true;
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Debug.Assert(false);
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}
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catch(Exception) { Debug.Assert(false); }
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return false;
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}
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private static string GtkGetText()
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{
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IntPtr lpText = IntPtr.Zero;
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try
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{
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if(GtkInit())
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{
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IntPtr h = NativeMethods.gtk_clipboard_get(
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NativeMethods.GDK_SELECTION_CLIPBOARD);
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if(h != IntPtr.Zero)
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{
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lpText = NativeMethods.gtk_clipboard_wait_for_text(h);
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if(lpText != IntPtr.Zero)
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return NativeMethods.Utf8ZToString(lpText);
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}
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}
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}
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catch(Exception) { Debug.Assert(false); }
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finally
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{
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try { NativeMethods.g_free(lpText); }
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catch(Exception) { Debug.Assert(false); }
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}
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return null;
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}
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private static bool GtkSetText(string str)
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{
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IntPtr lpText = IntPtr.Zero;
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try
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{
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if(GtkInit())
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{
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lpText = NativeMethods.Utf8ZFromString(str ?? string.Empty);
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if(lpText == IntPtr.Zero) { Debug.Assert(false); return false; }
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bool b = false;
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for(int i = 0; i < 2; ++i)
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{
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IntPtr h = NativeMethods.gtk_clipboard_get((i == 0) ?
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NativeMethods.GDK_SELECTION_PRIMARY :
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NativeMethods.GDK_SELECTION_CLIPBOARD);
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if(h != IntPtr.Zero)
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{
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NativeMethods.gtk_clipboard_clear(h);
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NativeMethods.gtk_clipboard_set_text(h, lpText, -1);
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NativeMethods.gtk_clipboard_store(h);
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b = true;
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}
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}
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return b;
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}
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}
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catch(Exception) { Debug.Assert(false); }
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finally { NativeMethods.Utf8ZFree(lpText); }
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return false;
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} */
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// =============================================================
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// XSel
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private static bool XSelInit()
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{
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if(g_obXSel.HasValue) return g_obXSel.Value;
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string strTest = NativeLib.RunConsoleApp(XSel, XSelV);
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bool b = (strTest != null);
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g_obXSel = b;
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return b;
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}
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private static string XSelGetText()
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{
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if(!XSelInit()) return null;
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return NativeLib.RunConsoleApp(XSel, XSelR);
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}
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private static bool XSelSetText(string str, bool bMayBlock)
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{
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if(!XSelInit()) return false;
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string strOpt = (bMayBlock ? XSelND : string.Empty);
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// xsel with an empty input can hang, thus use --clear
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if(str.Length == 0)
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return (NativeLib.RunConsoleApp(XSel, XSelC + strOpt,
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null, XSelWF) != null);
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// Use --nodetach to prevent clipboard corruption;
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// https://sourceforge.net/p/keepass/bugs/1603/
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return (NativeLib.RunConsoleApp(XSel, XSelW + strOpt,
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str, XSelWF) != null);
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}
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}
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}
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