1 | /** $Id: VBoxServiceClipboard-os2.cpp 5999 2007-12-07 15:05:06Z vboxsync $ */
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2 | /** @file
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3 | * VBoxService - Guest Additions Clipboard Service, OS/2.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2007 innotek GmbH
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 |
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19 | /*******************************************************************************
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20 | * Header Files *
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21 | *******************************************************************************/
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22 | #define INCL_BASE
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23 | #define INCL_PM
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24 | #define INCL_ERRORS
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25 | #include <os2.h>
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26 |
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27 | #include <iprt/thread.h>
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28 | #include <iprt/string.h>
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29 | #include <iprt/semaphore.h>
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30 | #include <iprt/time.h>
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31 | #include <iprt/mem.h>
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32 | #include <iprt/param.h>
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33 | #include <iprt/assert.h>
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34 | #include <iprt/asm.h>
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35 | #include <VBox/VBoxGuest.h>
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36 | #include <VBox/HostServices/VBoxClipboardSvc.h>
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37 | #include "VBoxServiceInternal.h"
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38 |
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39 |
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40 | /*******************************************************************************
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41 | * Structures and Typedefs *
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42 | *******************************************************************************/
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43 | /** Header for Odin32 specific clipboard entries.
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44 | * (Used to get the correct size of the data.)
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45 | */
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46 | typedef struct _Odin32ClipboardHeader
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47 | {
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48 | /** magic number */
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49 | char achMagic[8];
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50 | /** Size of the following data.
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51 | * (The interpretation depends on the type.) */
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52 | unsigned cbData;
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53 | /** Odin32 format number. */
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54 | unsigned uFormat;
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55 | } CLIPHEADER, *PCLIPHEADER;
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56 |
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57 | #define CLIPHEADER_MAGIC "Odin\1\0\1"
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58 |
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59 |
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60 | /*******************************************************************************
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61 | * Global Variables *
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62 | *******************************************************************************/
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63 |
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64 | /** The control thread (main) handle.
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65 | * Only used to avoid some queue creation trouble. */
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66 | static RTTHREAD g_ThreadCtrl = NIL_RTTHREAD;
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67 | /** The HAB of the control thread (main). */
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68 | static HAB g_habCtrl = NULLHANDLE;
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69 | /** The HMQ of the control thread (main). */
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70 | static HMQ g_hmqCtrl = NULLHANDLE;
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71 |
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72 | /** The Listener thread handle. */
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73 | static RTTHREAD g_ThreadListener = NIL_RTTHREAD;
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74 | /** The HAB of the listener thread. */
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75 | static HAB g_habListener = NULLHANDLE;
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76 | /** The HMQ of the listener thread. */
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77 | static HMQ g_hmqListener = NULLHANDLE;
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78 | /** Indicator that gets set if the listener thread is successfully initialized. */
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79 | static bool volatile g_fListenerOkay = false;
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80 |
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81 | /** The HAB of the worker thread. */
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82 | static HAB g_habWorker = NULLHANDLE;
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83 | /** The HMQ of the worker thread. */
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84 | static HMQ g_hmqWorker = NULLHANDLE;
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85 | /** The object window handle. */
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86 | static HWND g_hwndWorker = NULLHANDLE;
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87 | /** The timer id returned by WinStartTimer. */
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88 | static ULONG g_idWorkerTimer = ~0UL;
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89 | /** The state of the clipboard.
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90 | * @remark I'm trying out the 'k' prefix from the mac here, bear with me. */
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91 | static enum
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92 | {
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93 | /** The clipboard hasn't been initialized yet. */
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94 | kClipboardState_Uninitialized = 0,
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95 | /** WinSetClipbrdViewer call in progress, ignore WM_DRAWCLIPBOARD. */
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96 | kClipboardState_SettingViewer,
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97 | /** We're monitoring the clipboard as a viewer. */
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98 | kClipboardState_Viewer,
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99 | /** We're monitoring the clipboard using polling.
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100 | * This usually means something is wrong... */
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101 | kClipboardState_Polling,
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102 | /** We're destroying the clipboard content, ignore WM_DESTROYCLIPBOARD. */
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103 | kClipboardState_Destroying,
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104 | /** We're owning the clipboard (i.e. we have data on it). */
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105 | kClipboardState_Owner
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106 | } g_enmState = kClipboardState_Uninitialized;
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107 | /** Set if the clipboard was empty the last time we polled it. */
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108 | static bool g_fEmptyClipboard = false;
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109 |
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110 | /** A clipboard format atom for the dummy clipboard data we insert
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111 | * watching for clipboard changes. If this format is found on the
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112 | * clipboard, the empty clipboard function has not been called
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113 | * since we last polled it. */
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114 | static ATOM g_atomNothingChanged = 0;
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115 |
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116 | /** The clipboard connection client ID. */
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117 | static uint32_t g_u32ClientId;
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118 | /** Odin32 CF_UNICODETEXT. See user32.cpp. */
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119 | static ATOM g_atomOdin32UnicodeText = 0;
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120 | /** Odin32 CF_UNICODETEXT. See user32.cpp. */
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121 | #define SZFMT_ODIN32_UNICODETEXT (PCSZ)"Odin32 UnicodeText"
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122 |
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123 |
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124 |
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125 |
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126 | /** @copydoc VBOXSERVICE::pfnPreInit */
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127 | static DECLCALLBACK(int) VBoxServiceClipboardOS2PreInit(void)
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128 | {
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129 | return VINF_SUCCESS;
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130 | }
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131 |
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132 |
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133 | /** @copydoc VBOXSERVICE::pfnOption */
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134 | static DECLCALLBACK(int) VBoxServiceClipboardOS2Option(const char **ppszShort, int argc, char **argv, int *pi)
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135 | {
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136 | return -1;
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137 | }
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138 |
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139 |
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140 | /** @copydoc VBOXSERVICE::pfnInit */
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141 | static DECLCALLBACK(int) VBoxServiceClipboardOS2Init(void)
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142 | {
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143 | int rc = VERR_GENERAL_FAILURE;
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144 | g_ThreadCtrl = RTThreadSelf();
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145 |
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146 | /*
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147 | * Make PM happy.
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148 | */
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149 | PPIB pPib;
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150 | PTIB pTib;
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151 | DosGetInfoBlocks(&pTib, &pPib);
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152 | pPib->pib_ultype = 3; /* PM session type */
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153 |
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154 | /*
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155 | * Since we have to send shutdown messages and such from the
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156 | * service controller (main) thread, create a HAB and HMQ for it.
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157 | */
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158 | g_habCtrl = WinInitialize(0);
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159 | if (g_habCtrl == NULLHANDLE)
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160 | {
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161 | VBoxServiceError("WinInitialize(0) failed, lasterr=%lx\n", WinGetLastError(NULLHANDLE));
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162 | return VERR_GENERAL_FAILURE;
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163 | }
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164 | g_hmqCtrl = WinCreateMsgQueue(g_habCtrl, 0);
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165 | if (g_hmqCtrl != NULLHANDLE)
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166 | {
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167 | /*
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168 | * Create the 'nothing-changed' format.
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169 | */
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170 | g_atomNothingChanged = WinAddAtom(WinQuerySystemAtomTable(), (PCSZ)"VirtualBox Clipboard Service");
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171 | LONG lLastError = WinGetLastError(g_habCtrl);
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172 | if (g_atomNothingChanged == 0)
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173 | g_atomNothingChanged = WinFindAtom(WinQuerySystemAtomTable(), (PCSZ)"VirtualBox Clipboard Service");
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174 | if (g_atomNothingChanged)
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175 | {
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176 | /*
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177 | * Connect to the clipboard service.
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178 | */
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179 | VBoxServiceVerbose(4, "clipboard: connecting\n");
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180 | rc = VbglR3ClipboardConnect(&g_u32ClientId);
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181 | if (RT_SUCCESS(rc))
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182 | {
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183 | /*
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184 | * Create any extra clipboard type atoms, like the odin unicode text.
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185 | */
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186 | g_atomOdin32UnicodeText = WinAddAtom(WinQuerySystemAtomTable(), SZFMT_ODIN32_UNICODETEXT);
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187 | lLastError = WinGetLastError(g_habCtrl);
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188 | if (g_atomOdin32UnicodeText == 0)
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189 | g_atomOdin32UnicodeText = WinFindAtom(WinQuerySystemAtomTable(), SZFMT_ODIN32_UNICODETEXT);
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190 | if (g_atomOdin32UnicodeText == 0)
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191 | VBoxServiceError("WinAddAtom() failed, lasterr=%lx; WinFindAtom() failed, lasterror=%lx\n",
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192 | lLastError, WinGetLastError(g_habCtrl));
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193 |
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194 | VBoxServiceVerbose(2, "g_u32ClientId=%RX32 g_atomNothingChanged=%#x g_atomOdin32UnicodeText=%#x\n",
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195 | g_u32ClientId, g_atomNothingChanged, g_atomOdin32UnicodeText);
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196 | return VINF_SUCCESS;
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197 | }
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198 |
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199 | VBoxServiceError("Failed to connect to the clipboard service, rc=%Rrc!\n", rc);
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200 | }
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201 | else
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202 | VBoxServiceError("WinAddAtom() failed, lasterr=%lx; WinFindAtom() failed, lasterror=%lx\n",
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203 | lLastError, WinGetLastError(g_habCtrl));
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204 | }
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205 | else
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206 | VBoxServiceError("WinCreateMsgQueue(,0) failed, lasterr=%lx\n", WinGetLastError(g_habCtrl));
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207 | WinTerminate(g_habCtrl);
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208 | return rc;
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209 | }
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210 |
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211 |
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212 | /**
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213 | * Check that we're still the view / try make us the viewer.
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214 | */
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215 | static void VBoxServiceClipboardOS2PollViewer(void)
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216 | {
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217 | const int iOrgState = g_enmState;
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218 |
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219 | HWND hwndClipboardViewer = WinQueryClipbrdViewer(g_habWorker);
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220 | if (hwndClipboardViewer == g_hwndWorker)
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221 | return;
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222 |
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223 | if (hwndClipboardViewer == NULLHANDLE)
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224 | {
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225 | /* The API will send a WM_DRAWCLIPBOARD message before returning. */
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226 | g_enmState = kClipboardState_SettingViewer;
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227 | if (WinSetClipbrdViewer(g_habWorker, g_hwndWorker))
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228 | g_enmState = kClipboardState_Viewer;
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229 | else
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230 | g_enmState = kClipboardState_Polling;
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231 | }
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232 | else
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233 | g_enmState = kClipboardState_Polling;
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234 | if ((int)g_enmState != iOrgState)
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235 | {
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236 | if (g_enmState == kClipboardState_Viewer)
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237 | VBoxServiceVerbose(3, "clipboard: viewer\n");
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238 | else
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239 | VBoxServiceVerbose(3, "clipboard: poller\n");
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240 | }
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241 | }
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242 |
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243 |
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244 | /**
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245 | * Advertise the formats available from the host.
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246 | */
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247 | static void VBoxServiceClipboardOS2AdvertiseHostFormats(uint32_t fFormats)
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248 | {
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249 | /*
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250 | * Open the clipboard and switch to 'destruction' mode.
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251 | * Make sure we stop being viewer. Temporarily also make sure we're
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252 | * not the owner so that PM won't send us any WM_DESTROYCLIPBOARD message.
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253 | */
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254 | if (WinOpenClipbrd(g_habWorker))
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255 | {
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256 | if (g_enmState == kClipboardState_Viewer)
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257 | WinSetClipbrdViewer(g_habWorker, NULLHANDLE);
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258 | if (g_enmState == kClipboardState_Owner)
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259 | WinSetClipbrdOwner(g_habWorker, NULLHANDLE);
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260 |
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261 | g_enmState = kClipboardState_Destroying;
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262 | if (WinEmptyClipbrd(g_habWorker))
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263 | {
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264 | /*
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265 | * Take clipboard ownership.
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266 | */
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267 | if (WinSetClipbrdOwner(g_habWorker, g_hwndWorker))
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268 | {
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269 | g_enmState = kClipboardState_Owner;
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270 |
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271 | /*
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272 | * Do the format advertising.
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273 | */
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274 | if (fFormats & (VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT/* | VBOX_SHARED_CLIPBOARD_FMT_HTML ?? */))
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275 | {
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276 | if (!WinSetClipbrdData(g_habWorker, 0, CF_TEXT, CFI_POINTER))
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277 | VBoxServiceError("WinSetClipbrdData(,,CF_TEXT,) failed, lasterr=%lx\n", WinGetLastError(g_habWorker));
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278 | if ( g_atomOdin32UnicodeText
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279 | && !WinSetClipbrdData(g_habWorker, 0, g_atomOdin32UnicodeText, CFI_POINTER))
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280 | VBoxServiceError("WinSetClipbrdData(,,g_atomOdin32UnicodeText,) failed, lasterr=%lx\n", WinGetLastError(g_habWorker));
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281 | }
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282 | if (fFormats & VBOX_SHARED_CLIPBOARD_FMT_BITMAP)
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283 | {
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284 | /** @todo bitmaps */
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285 | }
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286 | }
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287 | else
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288 | {
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289 | VBoxServiceError("WinSetClipbrdOwner failed, lasterr=%lx\n", WinGetLastError(g_habWorker));
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290 | g_enmState = kClipboardState_Polling;
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291 | }
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292 | }
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293 | else
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294 | {
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295 | VBoxServiceError("WinEmptyClipbrd failed, lasterr=%lx\n", WinGetLastError(g_habWorker));
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296 | g_enmState = kClipboardState_Polling;
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297 | }
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298 |
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299 | if (g_enmState == kClipboardState_Polling)
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300 | {
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301 | g_fEmptyClipboard = true;
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302 | VBoxServiceClipboardOS2PollViewer();
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303 | }
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304 |
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305 | WinCloseClipbrd(g_habWorker);
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306 | }
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307 | else
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308 | VBoxServiceError("VBoxServiceClipboardOS2AdvertiseHostFormats: WinOpenClipbrd failed, lasterr=%lx\n", WinGetLastError(g_habWorker));
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309 | }
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310 |
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311 |
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312 | static void *VBoxServiceClipboardOs2ConvertToOdin32(uint32_t fFormat, USHORT usFmt, void *pv, uint32_t cb)
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313 | {
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314 | PVOID pvPM = NULL;
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315 | APIRET rc = DosAllocSharedMem(&pvPM, NULL, cb + sizeof(CLIPHEADER), OBJ_GIVEABLE | OBJ_GETTABLE | OBJ_TILE | PAG_READ | PAG_WRITE | PAG_COMMIT);
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316 | if (rc)
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317 | {
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318 | PCLIPHEADER pHdr = (PCLIPHEADER)pvPM;
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319 | memcpy(pHdr->achMagic, CLIPHEADER_MAGIC, sizeof(pHdr->achMagic));
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320 | pHdr->cbData = cb;
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321 | if (usFmt == g_atomOdin32UnicodeText)
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322 | pHdr->uFormat = usFmt;
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323 | else
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324 | AssertFailed();
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325 | memcpy(pHdr + 1, pv, cb);
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326 | }
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327 | else
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328 | {
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329 | VBoxServiceError("DosAllocSharedMem(,,%#x,,) -> %ld\n", cb + sizeof(CLIPHEADER), rc);
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330 | pvPM = NULL;
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331 | }
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332 | return pvPM;
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333 | }
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334 |
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335 |
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336 | static void *VBoxServiceClipboardOs2ConvertToPM(uint32_t fFormat, USHORT usFmt, void *pv, uint32_t cb)
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337 | {
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338 | void *pvPM = NULL;
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339 |
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340 | /*
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341 | * The Odin32 stuff is simple, we just assume windows data from the host
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342 | * and all we need to do is add the header.
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343 | */
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344 | if ( usFmt
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345 | && ( usFmt == g_atomOdin32UnicodeText
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346 | /* || usFmt == ...*/
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347 | )
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348 | )
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349 | pvPM = VBoxServiceClipboardOs2ConvertToOdin32(fFormat, usFmt, pv, cb);
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350 | else if (usFmt == CF_TEXT)
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351 | {
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352 | /*
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353 | * Convert the unicode text to the current ctype locale.
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354 | *
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355 | * Note that we probably should be using the current PM or DOS codepage
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356 | * here instead of the LC_CTYPE one which iconv uses by default.
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357 | * -lazybird
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358 | */
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359 | Assert(fFormat & VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT);
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360 | char *pszUtf8;
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361 | int rc = RTUtf16ToUtf8((PCRTUTF16)pv, &pszUtf8);
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362 | if (RT_SUCCESS(rc))
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363 | {
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364 | char *pszLocale;
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365 | rc = RTStrUtf8ToCurrentCP(&pszLocale, pszUtf8);
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366 | if (RT_SUCCESS(rc))
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367 | {
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368 | size_t cbPM = strlen(pszLocale) + 1;
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369 | APIRET rc = DosAllocSharedMem(&pvPM, NULL, cbPM, OBJ_GIVEABLE | OBJ_GETTABLE | OBJ_TILE | PAG_READ | PAG_WRITE | PAG_COMMIT);
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370 | if (rc == NO_ERROR)
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371 | memcpy(pvPM, pszLocale, cbPM);
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372 | else
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373 | {
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374 | VBoxServiceError("DosAllocSharedMem(,,%#x,,) -> %ld\n", cb + sizeof(CLIPHEADER), rc);
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375 | pvPM = NULL;
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376 | }
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377 | RTStrFree(pszLocale);
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378 | }
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379 | else
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380 | VBoxServiceError("RTStrUtf8ToCurrentCP() -> %Rrc\n", rc);
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381 | RTStrFree(pszUtf8);
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382 | }
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383 | else
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384 | VBoxServiceError("RTUtf16ToUtf8() -> %Rrc\n", rc);
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385 | }
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386 |
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387 | return pvPM;
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388 | }
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389 |
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390 |
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391 | /**
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392 | * Tries to deliver an advertised host format.
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393 | *
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394 | * @param usFmt The PM format name.
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395 | *
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396 | * @remark We must not try open the clipboard here because WM_RENDERFMT is a
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397 | * request send synchronously by someone who has already opened the
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398 | * clipboard. We would enter a deadlock trying to open it here.
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399 | *
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400 | */
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401 | static void VBoxServiceClipboardOS2RenderFormat(USHORT usFmt)
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402 | {
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403 | bool fSucceeded = false;
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404 |
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405 | /*
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406 | * Determin which format.
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407 | */
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408 | uint32_t fFormat;
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409 | if ( usFmt == CF_TEXT
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410 | || usFmt == g_atomOdin32UnicodeText)
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411 | fFormat = VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT;
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412 | else /** @todo bitmaps */
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413 | fFormat = 0;
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414 | if (fFormat)
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415 | {
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416 | /*
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417 | * Query the data from the host.
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418 | * This might require two iterations because of buffer guessing.
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419 | */
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420 | uint32_t cb = _4K;
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421 | int rc = VERR_NO_MEMORY;
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422 | void *pv = RTMemPageAllocZ(cb);
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423 | if (pv)
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424 | {
|
---|
425 | VBoxServiceVerbose(4, "clipboard: reading host data (%#x)\n", fFormat);
|
---|
426 | rc = VbglR3ClipboardReadData(g_u32ClientId, fFormat, pv, cb, &cb);
|
---|
427 | if (rc == VINF_BUFFER_OVERFLOW)
|
---|
428 | {
|
---|
429 | RTMemPageFree(pv);
|
---|
430 | cb = RT_ALIGN_32(cb, PAGE_SIZE);
|
---|
431 | pv = RTMemPageAllocZ(cb);
|
---|
432 | rc = VbglR3ClipboardReadData(g_u32ClientId, fFormat, pv, cb, &cb);
|
---|
433 | }
|
---|
434 | if (RT_FAILURE(rc))
|
---|
435 | RTMemPageFree(pv);
|
---|
436 | }
|
---|
437 | if (RT_SUCCESS(rc))
|
---|
438 | {
|
---|
439 | VBoxServiceVerbose(4, "clipboard: read %u bytes\n", cb);
|
---|
440 |
|
---|
441 | /*
|
---|
442 | * Convert the host clipboard data to PM clipboard data and set it.
|
---|
443 | */
|
---|
444 | PVOID pvPM = VBoxServiceClipboardOs2ConvertToPM(fFormat, usFmt, pv, cb);
|
---|
445 | if (pvPM)
|
---|
446 | {
|
---|
447 | if (WinSetClipbrdData(g_habWorker, (ULONG)pvPM, usFmt, CFI_POINTER))
|
---|
448 | fSucceeded = true;
|
---|
449 | else
|
---|
450 | {
|
---|
451 | VBoxServiceError("VBoxServiceClipboardOS2RenderFormat: WinSetClipbrdData(,%p,%#x, CF_POINTER) failed, lasterror=%lx\n",
|
---|
452 | pvPM, usFmt, WinGetLastError(g_habWorker));
|
---|
453 | DosFreeMem(pvPM);
|
---|
454 | }
|
---|
455 | }
|
---|
456 | RTMemPageFree(pv);
|
---|
457 | }
|
---|
458 | else
|
---|
459 | VBoxServiceError("VBoxServiceClipboardOS2RenderFormat: Failed to query / allocate data. rc=%Rrc cb=%#RX32\n", rc, cb);
|
---|
460 | }
|
---|
461 |
|
---|
462 | /*
|
---|
463 | * Empty the clipboard on failure so we don't end up in any loops.
|
---|
464 | */
|
---|
465 | if (!fSucceeded)
|
---|
466 | {
|
---|
467 | WinSetClipbrdOwner(g_habWorker, NULLHANDLE);
|
---|
468 | g_enmState = kClipboardState_Destroying;
|
---|
469 | WinEmptyClipbrd(g_habWorker);
|
---|
470 | g_enmState = kClipboardState_Polling;
|
---|
471 | g_fEmptyClipboard = true;
|
---|
472 | VBoxServiceClipboardOS2PollViewer();
|
---|
473 | }
|
---|
474 | }
|
---|
475 |
|
---|
476 |
|
---|
477 | static void VBoxServiceClipboardOS2SendDataToHost(uint32_t fFormat)
|
---|
478 | {
|
---|
479 | if (WinOpenClipbrd(g_habWorker))
|
---|
480 | {
|
---|
481 | PRTUTF16 pwszFree = NULL;
|
---|
482 | void *pv = NULL;
|
---|
483 | uint32_t cb = 0;
|
---|
484 |
|
---|
485 | if (fFormat & VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT)
|
---|
486 | {
|
---|
487 | /* Got any odin32 unicode text? */
|
---|
488 | PVOID pvPM;
|
---|
489 | PCLIPHEADER pHdr = (PCLIPHEADER)WinQueryClipbrdData(g_habWorker, g_atomOdin32UnicodeText);
|
---|
490 | if ( pHdr
|
---|
491 | && !memcmp(pHdr->achMagic, CLIPHEADER_MAGIC, sizeof(pHdr->achMagic)))
|
---|
492 | {
|
---|
493 | pv = pHdr + 1;
|
---|
494 | cb = pHdr->cbData;
|
---|
495 | }
|
---|
496 |
|
---|
497 | /* Got any CF_TEXT? */
|
---|
498 | if ( !pv
|
---|
499 | && (pvPM = (PVOID)WinQueryClipbrdData(g_habWorker, CF_TEXT)) != NULL)
|
---|
500 | {
|
---|
501 | char *pszUtf8;
|
---|
502 | int rc = RTStrCurrentCPToUtf8(&pszUtf8, (const char *)pvPM);
|
---|
503 | if (RT_SUCCESS(rc))
|
---|
504 | {
|
---|
505 | PRTUTF16 pwsz;
|
---|
506 | rc = RTStrToUtf16(pszUtf8, &pwsz);
|
---|
507 | if (RT_SUCCESS(rc))
|
---|
508 | {
|
---|
509 | pv = pwszFree = pwsz;
|
---|
510 | cb = (RTUtf16Len(pwsz) + 1) * sizeof(RTUTF16);
|
---|
511 | }
|
---|
512 | RTStrFree(pszUtf8);
|
---|
513 | }
|
---|
514 | }
|
---|
515 | }
|
---|
516 | if (!pv)
|
---|
517 | VBoxServiceError("VBoxServiceClipboardOS2SendDataToHost: couldn't find data for %#x\n", fFormat);
|
---|
518 |
|
---|
519 | /*
|
---|
520 | * Now, sent whatever we've got to the host (it's waiting).
|
---|
521 | */
|
---|
522 | VBoxServiceVerbose(4, "clipboard: writing %pv/%#d (fFormat=%#x)\n", pv, cb, fFormat);
|
---|
523 | VbglR3ClipboardWriteData(g_u32ClientId, fFormat, pv, cb);
|
---|
524 | RTUtf16Free(pwszFree);
|
---|
525 |
|
---|
526 | WinCloseClipbrd(g_habWorker);
|
---|
527 | }
|
---|
528 | else
|
---|
529 | {
|
---|
530 | VBoxServiceError("VBoxServiceClipboardOS2SendDataToHost: WinOpenClipbrd failed, lasterr=%lx\n", WinGetLastError(g_habWorker));
|
---|
531 | VBoxServiceVerbose(4, "clipboard: writing NULL/0 (fFormat=%x)\n", fFormat);
|
---|
532 | VbglR3ClipboardWriteData(g_u32ClientId, fFormat, NULL, 0);
|
---|
533 | }
|
---|
534 | }
|
---|
535 |
|
---|
536 |
|
---|
537 | /**
|
---|
538 | * Figure out what's on the clipboard and report it to the host.
|
---|
539 | */
|
---|
540 | static void VBoxServiceClipboardOS2ReportFormats(void)
|
---|
541 | {
|
---|
542 | uint32_t fFormats = 0;
|
---|
543 | ULONG ulFormat = 0;
|
---|
544 | while ((ulFormat = WinEnumClipbrdFmts(g_habWorker, ulFormat)) != 0)
|
---|
545 | {
|
---|
546 | if ( ulFormat == CF_TEXT
|
---|
547 | || ulFormat == g_atomOdin32UnicodeText)
|
---|
548 | fFormats |= VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT;
|
---|
549 | /** @todo else bitmaps and stuff. */
|
---|
550 | }
|
---|
551 | VBoxServiceVerbose(4, "clipboard: reporting fFormats=%#x\n", fFormats);
|
---|
552 | VbglR3ClipboardReportFormats(g_u32ClientId, fFormats);
|
---|
553 | }
|
---|
554 |
|
---|
555 |
|
---|
556 | /**
|
---|
557 | * Poll the clipboard for changes.
|
---|
558 | *
|
---|
559 | * This is called both when we're the viewer and when we're
|
---|
560 | * falling back to polling. If something has changed it will
|
---|
561 | * notify the host.
|
---|
562 | */
|
---|
563 | static void VBoxServiceClipboardOS2Poll(void)
|
---|
564 | {
|
---|
565 | if (WinOpenClipbrd(g_habWorker))
|
---|
566 | {
|
---|
567 | /*
|
---|
568 | * If our dummy is no longer there, something has actually changed,
|
---|
569 | * unless the clipboard is really empty.
|
---|
570 | */
|
---|
571 | ULONG fFmtInfo;
|
---|
572 | if (!WinQueryClipbrdFmtInfo(g_habWorker, g_atomNothingChanged, &fFmtInfo))
|
---|
573 | {
|
---|
574 | if (WinEnumClipbrdFmts(g_habWorker, 0) != 0)
|
---|
575 | {
|
---|
576 | g_fEmptyClipboard = false;
|
---|
577 | VBoxServiceClipboardOS2ReportFormats();
|
---|
578 |
|
---|
579 | /* inject the dummy */
|
---|
580 | PVOID pv;
|
---|
581 | APIRET rc = DosAllocSharedMem(&pv, NULL, 1, OBJ_GIVEABLE | OBJ_GETTABLE | PAG_READ | PAG_WRITE | PAG_COMMIT);
|
---|
582 | if (rc == NO_ERROR)
|
---|
583 | {
|
---|
584 | if (WinSetClipbrdData(g_habWorker, (ULONG)pv, g_atomNothingChanged, CFI_POINTER))
|
---|
585 | VBoxServiceVerbose(4, "clipboard: Added dummy item.\n");
|
---|
586 | else
|
---|
587 | {
|
---|
588 | VBoxServiceError("VBoxServiceClipboardOS2Poll: WinSetClipbrdData failed, lasterr=%#lx\n", WinGetLastError(g_habWorker));
|
---|
589 | DosFreeMem(pv);
|
---|
590 | }
|
---|
591 | }
|
---|
592 | else
|
---|
593 | VBoxServiceError("VBoxServiceClipboardOS2Poll: DosAllocSharedMem(,,1,) -> %ld\n", rc);
|
---|
594 | }
|
---|
595 | else if (!g_fEmptyClipboard)
|
---|
596 | {
|
---|
597 | g_fEmptyClipboard = true;
|
---|
598 | VBoxServiceVerbose(3, "Reporting empty clipboard\n");
|
---|
599 | VbglR3ClipboardReportFormats(g_u32ClientId, 0);
|
---|
600 | }
|
---|
601 | }
|
---|
602 | WinCloseClipbrd(g_habWorker);
|
---|
603 | }
|
---|
604 | else
|
---|
605 | VBoxServiceError("VBoxServiceClipboardOS2Poll: WinOpenClipbrd failed, lasterr=%lx\n", WinGetLastError(g_habWorker));
|
---|
606 | }
|
---|
607 |
|
---|
608 |
|
---|
609 | /**
|
---|
610 | * The clipboard we owned was destroyed by someone else.
|
---|
611 | */
|
---|
612 | static void VBoxServiceClipboardOS2Destroyed(void)
|
---|
613 | {
|
---|
614 | /* make sure we're no longer the owner. */
|
---|
615 | if (WinQueryClipbrdOwner(g_habWorker) == g_hwndWorker)
|
---|
616 | WinSetClipbrdOwner(g_habWorker, NULLHANDLE);
|
---|
617 |
|
---|
618 | /* switch to polling state and notify the host. */
|
---|
619 | g_enmState = kClipboardState_Polling;
|
---|
620 | g_fEmptyClipboard = true;
|
---|
621 | VBoxServiceVerbose(3, "Reporting empty clipboard\n");
|
---|
622 | VbglR3ClipboardReportFormats(g_u32ClientId, 0);
|
---|
623 |
|
---|
624 | VBoxServiceClipboardOS2PollViewer();
|
---|
625 | }
|
---|
626 |
|
---|
627 |
|
---|
628 | /**
|
---|
629 | * The window procedure for the object window.
|
---|
630 | *
|
---|
631 | * @returns Message result.
|
---|
632 | *
|
---|
633 | * @param hwnd The window handle.
|
---|
634 | * @param msg The message.
|
---|
635 | * @param mp1 Message parameter 1.
|
---|
636 | * @param mp2 Message parameter 2.
|
---|
637 | */
|
---|
638 | static MRESULT EXPENTRY VBoxServiceClipboardOS2WinProc(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2)
|
---|
639 | {
|
---|
640 | if (msg != WM_TIMER)
|
---|
641 | VBoxServiceVerbose(6, "VBoxServiceClipboardOS2WinProc: hwnd=%#lx msg=%#lx mp1=%#lx mp2=%#lx\n", hwnd, msg, mp1, mp2);
|
---|
642 |
|
---|
643 | switch (msg)
|
---|
644 | {
|
---|
645 | /*
|
---|
646 | * Handle the two system defined messages for object windows.
|
---|
647 | *
|
---|
648 | * We'll just use the CREATE/DESTROY message to create that timer we're
|
---|
649 | * using for the viewer checks and polling fallback.
|
---|
650 | */
|
---|
651 | case WM_CREATE:
|
---|
652 | g_idWorkerTimer = WinStartTimer(g_habWorker, hwnd, 1 /* id */, 1000 /* 1 second */);
|
---|
653 | g_fEmptyClipboard = true;
|
---|
654 | g_enmState = kClipboardState_Polling;
|
---|
655 | return NULL; /* FALSE(/NULL) == Continue*/
|
---|
656 |
|
---|
657 | case WM_DESTROY:
|
---|
658 | WinStopTimer(g_habWorker, hwnd, g_idWorkerTimer);
|
---|
659 | g_idWorkerTimer = ~0UL;
|
---|
660 | g_hwndWorker = NULLHANDLE;
|
---|
661 | break;
|
---|
662 |
|
---|
663 | /*
|
---|
664 | * Clipboard viewer message - the content has been changed.
|
---|
665 | * This is sent *after* releasing the clipboard sem
|
---|
666 | * and during the WinSetClipbrdViewer call.
|
---|
667 | */
|
---|
668 | case WM_DRAWCLIPBOARD:
|
---|
669 | if (g_enmState == kClipboardState_SettingViewer)
|
---|
670 | break;
|
---|
671 | AssertMsgBreak(g_enmState == kClipboardState_Viewer, ("g_enmState=%d\n", g_enmState), );
|
---|
672 | VBoxServiceClipboardOS2Poll();
|
---|
673 | break;
|
---|
674 |
|
---|
675 | /*
|
---|
676 | * Clipboard owner message - the content was replaced.
|
---|
677 | * This is sent by someone with an open clipboard, so don't try open it now.
|
---|
678 | */
|
---|
679 | case WM_DESTROYCLIPBOARD:
|
---|
680 | if (g_enmState == kClipboardState_Destroying)
|
---|
681 | break; /* it's us doing the replacing, ignore. */
|
---|
682 | AssertMsgBreak(g_enmState == kClipboardState_Owner, ("g_enmState=%d\n", g_enmState), );
|
---|
683 | VBoxServiceClipboardOS2Destroyed();
|
---|
684 | break;
|
---|
685 |
|
---|
686 | /*
|
---|
687 | * Clipboard owner message - somebody is requesting us to render a format.
|
---|
688 | * This is called by someone which owns the clipboard, but that's fine.
|
---|
689 | */
|
---|
690 | case WM_RENDERFMT:
|
---|
691 | AssertMsgBreak(g_enmState == kClipboardState_Owner, ("g_enmState=%d\n", g_enmState), );
|
---|
692 | VBoxServiceClipboardOS2RenderFormat(SHORT1FROMMP(mp1));
|
---|
693 | break;
|
---|
694 |
|
---|
695 | /*
|
---|
696 | * Clipboard owner message - we're about to quit and should render all formats.
|
---|
697 | *
|
---|
698 | * However, because we're lazy, we'll just ASSUME that since we're quitting
|
---|
699 | * we're probably about to shutdown or something and there is no point in
|
---|
700 | * doing anything here except for emptying the clipboard and removing
|
---|
701 | * ourselves as owner. Any failures at this point are silently ignored.
|
---|
702 | */
|
---|
703 | case WM_RENDERALLFMTS:
|
---|
704 | WinOpenClipbrd(g_habWorker);
|
---|
705 | WinSetClipbrdOwner(g_habWorker, NULLHANDLE);
|
---|
706 | g_enmState = kClipboardState_Destroying;
|
---|
707 | WinEmptyClipbrd(g_habWorker);
|
---|
708 | g_enmState = kClipboardState_Polling;
|
---|
709 | g_fEmptyClipboard = true;
|
---|
710 | WinCloseClipbrd(g_habWorker);
|
---|
711 | break;
|
---|
712 |
|
---|
713 | /*
|
---|
714 | * Listener message - the host has new formats to offer.
|
---|
715 | */
|
---|
716 | case WM_USER + VBOX_SHARED_CLIPBOARD_HOST_MSG_FORMATS:
|
---|
717 | VBoxServiceClipboardOS2AdvertiseHostFormats(LONGFROMMP(mp1));
|
---|
718 | break;
|
---|
719 |
|
---|
720 | /*
|
---|
721 | * Listener message - the host wish to read our clipboard data.
|
---|
722 | */
|
---|
723 | case WM_USER + VBOX_SHARED_CLIPBOARD_HOST_MSG_READ_DATA:
|
---|
724 | VBoxServiceClipboardOS2SendDataToHost(LONGFROMMP(mp1));
|
---|
725 | break;
|
---|
726 |
|
---|
727 | /*
|
---|
728 | * This is just a fallback polling strategy in case some other
|
---|
729 | * app is trying to view the clipboard too. We also use this
|
---|
730 | * to try recover from errors.
|
---|
731 | *
|
---|
732 | * Because the way the clipboard service works, we have to monitor
|
---|
733 | * it all the time and cannot get away with simpler solutions like
|
---|
734 | * synergy is employing (basically checking upon entering and leaving
|
---|
735 | * a desktop).
|
---|
736 | */
|
---|
737 | case WM_TIMER:
|
---|
738 | if ( g_enmState != kClipboardState_Viewer
|
---|
739 | && g_enmState != kClipboardState_Polling)
|
---|
740 | break;
|
---|
741 |
|
---|
742 | /* Lost the position as clipboard viwer?*/
|
---|
743 | if (g_enmState == kClipboardState_Viewer)
|
---|
744 | {
|
---|
745 | if (WinQueryClipbrdViewer(g_habWorker) == hwnd)
|
---|
746 | break;
|
---|
747 | g_enmState = kClipboardState_Polling;
|
---|
748 | }
|
---|
749 |
|
---|
750 | /* poll for changes */
|
---|
751 | VBoxServiceClipboardOS2Poll();
|
---|
752 | VBoxServiceClipboardOS2PollViewer();
|
---|
753 | break;
|
---|
754 |
|
---|
755 |
|
---|
756 | /*
|
---|
757 | * Clipboard owner messages dealing with owner drawn content.
|
---|
758 | * We shouldn't be seeing any of these.
|
---|
759 | */
|
---|
760 | case WM_PAINTCLIPBOARD:
|
---|
761 | case WM_SIZECLIPBOARD:
|
---|
762 | case WM_HSCROLLCLIPBOARD:
|
---|
763 | case WM_VSCROLLCLIPBOARD:
|
---|
764 | AssertMsgFailed(("msg=%lx (%ld)\n", msg, msg));
|
---|
765 | break;
|
---|
766 |
|
---|
767 | /*
|
---|
768 | * We shouldn't be seeing any other messages according to the docs.
|
---|
769 | * But for whatever reason, PM sends us a WM_ADJUSTWINDOWPOS message
|
---|
770 | * during WinCreateWindow. So, ignore that and assert on anything else.
|
---|
771 | */
|
---|
772 | default:
|
---|
773 | AssertMsgFailed(("msg=%lx (%ld)\n", msg, msg));
|
---|
774 | case WM_ADJUSTWINDOWPOS:
|
---|
775 | break;
|
---|
776 | }
|
---|
777 | return NULL;
|
---|
778 | }
|
---|
779 |
|
---|
780 |
|
---|
781 | /**
|
---|
782 | * The listener thread.
|
---|
783 | *
|
---|
784 | * This thread is dedicated to listening for host messages and forwarding
|
---|
785 | * these to the worker thread (using PM).
|
---|
786 | *
|
---|
787 | * The thread will set g_fListenerOkay and signal its user event when it has
|
---|
788 | * completed initialization. In the case of init failure g_fListenerOkay will
|
---|
789 | * not be set.
|
---|
790 | *
|
---|
791 | * @returns Init error code or VINF_SUCCESS.
|
---|
792 | * @param ThreadSelf Our thread handle.
|
---|
793 | * @param pvUser Pointer to the clipboard service shutdown indicator.
|
---|
794 | */
|
---|
795 | static DECLCALLBACK(int) VBoxServiceClipboardOS2Listener(RTTHREAD ThreadSelf, void *pvUser)
|
---|
796 | {
|
---|
797 | bool volatile *pfShutdown = (bool volatile *)pvUser;
|
---|
798 | int rc = VERR_GENERAL_FAILURE;
|
---|
799 | VBoxServiceVerbose(3, "VBoxServiceClipboardOS2Listener: ThreadSelf=%RTthrd\n", ThreadSelf);
|
---|
800 |
|
---|
801 | g_habListener = WinInitialize(0);
|
---|
802 | if (g_habListener != NULLHANDLE)
|
---|
803 | {
|
---|
804 | g_hmqListener = WinCreateMsgQueue(g_habListener, 0);
|
---|
805 | if (g_hmqListener != NULLHANDLE)
|
---|
806 | {
|
---|
807 | /*
|
---|
808 | * Tell the worker thread that we're good.
|
---|
809 | */
|
---|
810 | rc = VINF_SUCCESS;
|
---|
811 | ASMAtomicXchgBool(&g_fListenerOkay, true);
|
---|
812 | RTThreadUserSignal(ThreadSelf);
|
---|
813 | VBoxServiceVerbose(3, "VBoxServiceClipboardOS2Listener: Started successfully\n");
|
---|
814 |
|
---|
815 | /*
|
---|
816 | * Loop until termination is requested.
|
---|
817 | */
|
---|
818 | bool fQuit = false;
|
---|
819 | while (!*pfShutdown && !fQuit)
|
---|
820 | {
|
---|
821 | uint32_t Msg;
|
---|
822 | uint32_t fFormats;
|
---|
823 | rc = VbglR3ClipboardGetHostMsg(g_u32ClientId, &Msg, &fFormats);
|
---|
824 | if (RT_SUCCESS(rc))
|
---|
825 | {
|
---|
826 | VBoxServiceVerbose(3, "VBoxServiceClipboardOS2Listener: Msg=%#x fFormats=%#x\n", Msg, fFormats);
|
---|
827 | switch (Msg)
|
---|
828 | {
|
---|
829 | /*
|
---|
830 | * The host has announced available clipboard formats.
|
---|
831 | * Forward the information to the window, so it can later
|
---|
832 | * respond do WM_RENDERFORMAT message.
|
---|
833 | */
|
---|
834 | case VBOX_SHARED_CLIPBOARD_HOST_MSG_FORMATS:
|
---|
835 | if (!WinPostMsg(g_hwndWorker, WM_USER + VBOX_SHARED_CLIPBOARD_HOST_MSG_FORMATS,
|
---|
836 | MPFROMLONG(fFormats), 0))
|
---|
837 | VBoxServiceError("WinPostMsg(%lx, FORMATS,,) failed, lasterr=%#lx\n",
|
---|
838 | g_hwndWorker, WinGetLastError(g_habListener));
|
---|
839 | break;
|
---|
840 |
|
---|
841 | /*
|
---|
842 | * The host needs data in the specified format.
|
---|
843 | */
|
---|
844 | case VBOX_SHARED_CLIPBOARD_HOST_MSG_READ_DATA:
|
---|
845 | if (!WinPostMsg(g_hwndWorker, WM_USER + VBOX_SHARED_CLIPBOARD_HOST_MSG_READ_DATA,
|
---|
846 | MPFROMLONG(fFormats), 0))
|
---|
847 | VBoxServiceError("WinPostMsg(%lx, READ_DATA,,) failed, lasterr=%#lx\n",
|
---|
848 | g_hwndWorker, WinGetLastError(g_habListener));
|
---|
849 | break;
|
---|
850 |
|
---|
851 | /*
|
---|
852 | * The host is terminating.
|
---|
853 | */
|
---|
854 | case VBOX_SHARED_CLIPBOARD_HOST_MSG_QUIT:
|
---|
855 | fQuit = true;
|
---|
856 | break;
|
---|
857 |
|
---|
858 | default:
|
---|
859 | VBoxServiceVerbose(1, "VBoxServiceClipboardOS2Listener: Unknown message %RU32\n", Msg);
|
---|
860 | break;
|
---|
861 | }
|
---|
862 | }
|
---|
863 | else
|
---|
864 | {
|
---|
865 | if (*pfShutdown)
|
---|
866 | break;
|
---|
867 | VBoxServiceError("VbglR3ClipboardGetHostMsg failed, rc=%Rrc\n", rc);
|
---|
868 | RTThreadSleep(1000);
|
---|
869 | }
|
---|
870 | } /* the loop */
|
---|
871 |
|
---|
872 | WinDestroyMsgQueue(g_hmqListener);
|
---|
873 | }
|
---|
874 | WinTerminate(g_habListener);
|
---|
875 | g_habListener = NULLHANDLE;
|
---|
876 | }
|
---|
877 |
|
---|
878 | /* Signal our semaphore to make the worker catch on. */
|
---|
879 | RTThreadUserSignal(ThreadSelf);
|
---|
880 | VBoxServiceVerbose(3, "VBoxServiceClipboardOS2Listener: terminating, rc=%Rrc\n", rc);
|
---|
881 | return rc;
|
---|
882 | }
|
---|
883 |
|
---|
884 |
|
---|
885 | /** @copydoc VBOXSERVICE::pfnWorker */
|
---|
886 | static DECLCALLBACK(int) VBoxServiceClipboardOS2Worker(bool volatile *pfShutdown)
|
---|
887 | {
|
---|
888 | int rc = VERR_GENERAL_FAILURE;
|
---|
889 |
|
---|
890 | /*
|
---|
891 | * Standard PM init.
|
---|
892 | */
|
---|
893 | g_habWorker = RTThreadSelf() != g_ThreadCtrl ? WinInitialize(0) : g_habCtrl;
|
---|
894 | if (g_habWorker != NULLHANDLE)
|
---|
895 | {
|
---|
896 | g_hmqWorker = RTThreadSelf() != g_ThreadCtrl ? WinCreateMsgQueue(g_habWorker, 0) : g_hmqCtrl;
|
---|
897 | if (g_hmqWorker != NULLHANDLE)
|
---|
898 | {
|
---|
899 | /*
|
---|
900 | * Create the object window.
|
---|
901 | */
|
---|
902 | if (WinRegisterClass(g_habWorker, (PCSZ)"VBoxServiceClipboardClass", VBoxServiceClipboardOS2WinProc, 0, 0))
|
---|
903 | {
|
---|
904 | g_hwndWorker = WinCreateWindow(HWND_OBJECT, /* hwndParent */
|
---|
905 | (PCSZ)"VBoxServiceClipboardClass", /* pszClass */
|
---|
906 | (PCSZ)"VirtualBox Clipboard Service", /* pszName */
|
---|
907 | 0, /* flStyle */
|
---|
908 | 0, 0, 0, 0, /* x, y, cx, cy */
|
---|
909 | NULLHANDLE, /* hwndOwner */
|
---|
910 | HWND_BOTTOM, /* hwndInsertBehind */
|
---|
911 | 42, /* id */
|
---|
912 | NULL, /* pCtlData */
|
---|
913 | NULL); /* pPresParams */
|
---|
914 | if (g_hwndWorker != NULLHANDLE)
|
---|
915 | {
|
---|
916 | VBoxServiceVerbose(3, "g_hwndWorker=%#lx g_habWorker=%#lx g_hmqWorker=%#lx\n", g_hwndWorker, g_habWorker, g_hmqWorker);
|
---|
917 |
|
---|
918 | /*
|
---|
919 | * Create the listener thread.
|
---|
920 | */
|
---|
921 | g_fListenerOkay = false;
|
---|
922 | rc = RTThreadCreate(&g_ThreadListener, VBoxServiceClipboardOS2Listener, (void *)pfShutdown, 0,
|
---|
923 | RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "CLIPLISTEN");
|
---|
924 | if (RT_SUCCESS(rc))
|
---|
925 | {
|
---|
926 | RTThreadUserWait(g_ThreadListener, 30*1000);
|
---|
927 | RTThreadUserReset(g_ThreadListener);
|
---|
928 | if (!g_fListenerOkay)
|
---|
929 | RTThreadWait(g_ThreadListener, 60*1000, NULL);
|
---|
930 | if (g_fListenerOkay)
|
---|
931 | {
|
---|
932 | /*
|
---|
933 | * Tell the control thread that it can continue
|
---|
934 | * spawning services.
|
---|
935 | */
|
---|
936 | RTThreadUserSignal(RTThreadSelf());
|
---|
937 |
|
---|
938 | /*
|
---|
939 | * The PM event pump.
|
---|
940 | */
|
---|
941 | VBoxServiceVerbose(2, "clipboard: Entering PM message loop.\n");
|
---|
942 | rc = VINF_SUCCESS;
|
---|
943 | QMSG qmsg;
|
---|
944 | while (WinGetMsg(g_habWorker, &qmsg, NULLHANDLE, NULLHANDLE, 0))
|
---|
945 | WinDispatchMsg(g_habWorker, &qmsg);
|
---|
946 | VBoxServiceVerbose(2, "clipboard: Exited PM message loop. *pfShutdown=%RTbool\n", *pfShutdown);
|
---|
947 |
|
---|
948 | RTThreadWait(g_ThreadListener, 60*1000, NULL);
|
---|
949 | }
|
---|
950 | g_ThreadListener = NIL_RTTHREAD;
|
---|
951 | }
|
---|
952 |
|
---|
953 | /*
|
---|
954 | * Got a WM_QUIT, clean up.
|
---|
955 | */
|
---|
956 | if (g_hwndWorker != NULLHANDLE)
|
---|
957 | {
|
---|
958 | WinDestroyWindow(g_hwndWorker);
|
---|
959 | g_hwndWorker = NULLHANDLE;
|
---|
960 | }
|
---|
961 | }
|
---|
962 | else
|
---|
963 | VBoxServiceError("WinCreateWindow() failed, lasterr=%lx\n", WinGetLastError(g_habWorker));
|
---|
964 | /* no class deregistration in PM. */
|
---|
965 | }
|
---|
966 | else
|
---|
967 | VBoxServiceError("WinRegisterClass() failed, lasterr=%lx\n", WinGetLastError(g_habWorker));
|
---|
968 |
|
---|
969 | if (g_hmqCtrl != g_hmqWorker)
|
---|
970 | WinDestroyMsgQueue(g_hmqWorker);
|
---|
971 | g_hmqWorker = NULLHANDLE;
|
---|
972 | }
|
---|
973 | else
|
---|
974 | VBoxServiceError("WinCreateMsgQueue(,0) failed, lasterr=%lx\n", WinGetLastError(g_habWorker));
|
---|
975 |
|
---|
976 | if (g_habCtrl != g_habWorker)
|
---|
977 | WinTerminate(g_habWorker);
|
---|
978 | g_habWorker = NULLHANDLE;
|
---|
979 | }
|
---|
980 | else
|
---|
981 | VBoxServiceError("WinInitialize(0) failed, lasterr=%lx\n", WinGetLastError(NULLHANDLE));
|
---|
982 |
|
---|
983 | return rc;
|
---|
984 | }
|
---|
985 |
|
---|
986 |
|
---|
987 | /** @copydoc VBOXSERVICE::pfnStop */
|
---|
988 | static DECLCALLBACK(void) VBoxServiceClipboardOS2Stop(void)
|
---|
989 | {
|
---|
990 | if ( g_hmqWorker != NULLHANDLE
|
---|
991 | && !WinPostQueueMsg(g_hmqWorker, WM_QUIT, NULL, NULL))
|
---|
992 | VBoxServiceError("WinPostQueueMsg(g_hmqWorker, WM_QUIT, 0,0) failed, lasterr=%lx\n", WinGetLastError(g_habCtrl));
|
---|
993 | }
|
---|
994 |
|
---|
995 |
|
---|
996 | /** @copydoc VBOXSERVICE::pfnTerm */
|
---|
997 | static DECLCALLBACK(void) VBoxServiceClipboardOS2Term(void)
|
---|
998 | {
|
---|
999 | VBoxServiceVerbose(4, "clipboard: disconnecting %#x\n", g_u32ClientId);
|
---|
1000 | VbglR3ClipboardDisconnect(g_u32ClientId);
|
---|
1001 | g_u32ClientId = 0;
|
---|
1002 | WinDestroyMsgQueue(g_hmqCtrl);
|
---|
1003 | g_hmqCtrl = NULLHANDLE;
|
---|
1004 | WinTerminate(g_habCtrl);
|
---|
1005 | g_habCtrl = NULLHANDLE;
|
---|
1006 | }
|
---|
1007 |
|
---|
1008 |
|
---|
1009 | /**
|
---|
1010 | * The OS/2 'clipboard' service description.
|
---|
1011 | */
|
---|
1012 | VBOXSERVICE g_Clipboard =
|
---|
1013 | {
|
---|
1014 | /* pszName. */
|
---|
1015 | "clipboard",
|
---|
1016 | /* pszDescription. */
|
---|
1017 | "Shared Clipboard",
|
---|
1018 | /* pszUsage. */
|
---|
1019 | ""
|
---|
1020 | ,
|
---|
1021 | /* pszOptions. */
|
---|
1022 | ""
|
---|
1023 | ,
|
---|
1024 | /* methods */
|
---|
1025 | VBoxServiceClipboardOS2PreInit,
|
---|
1026 | VBoxServiceClipboardOS2Option,
|
---|
1027 | VBoxServiceClipboardOS2Init,
|
---|
1028 | VBoxServiceClipboardOS2Worker,
|
---|
1029 | VBoxServiceClipboardOS2Stop,
|
---|
1030 | VBoxServiceClipboardOS2Term
|
---|
1031 | };
|
---|
1032 |
|
---|