7
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 */
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8
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9 #if defined(FEAT_OLE) && defined(FEAT_GUI_W32)
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10 /*
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11 * OLE server implementation.
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12 *
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13 * See os_mswin.c for the client side.
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14 */
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15
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16 #include <windows.h>
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17 #include <oleauto.h>
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18
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19 extern "C" {
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20 #include "vim.h"
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21 extern HWND s_hwnd;
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22 extern HWND vim_parent_hwnd;
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23 }
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24
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25 #include "if_ole.h" // Interface definitions
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26 #include "iid_ole.c" // UUID definitions (compile here)
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27
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28 /* Supply function prototype to work around bug in Mingw oleauto.h header */
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29 #ifdef __MINGW32__
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30 WINOLEAUTAPI UnRegisterTypeLib(REFGUID libID, WORD wVerMajor,
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31 WORD wVerMinor, LCID lcid, SYSKIND syskind);
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32 #endif
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33
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34 /*****************************************************************************
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35 1. Internal definitions for this file
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36 *****************************************************************************/
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37
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38 class CVim;
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39 class CVimCF;
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40
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41 /* Internal data */
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42 // The identifier of the registered class factory
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43 static unsigned long cf_id = 0;
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44
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45 // The identifier of the running application object
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46 static unsigned long app_id = 0;
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47
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48 // The single global instance of the class factory
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49 static CVimCF *cf = 0;
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50
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51 // The single global instance of the application object
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52 static CVim *app = 0;
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53
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54 /* GUIDs, versions and type library information */
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55 #define MYCLSID CLSID_Vim
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56 #define MYLIBID LIBID_Vim
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57 #define MYIID IID_IVim
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58
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59 #define MAJORVER 1
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60 #define MINORVER 0
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61 #define LOCALE 0x0409
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62
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63 #define MYNAME "Vim"
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64 #define MYPROGID "Vim.Application.1"
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65 #define MYVIPROGID "Vim.Application"
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66
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67 #define MAX_CLSID_LEN 100
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68
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69 /*****************************************************************************
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70 2. The application object
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71 *****************************************************************************/
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72
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73 /* Definition
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74 * ----------
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75 */
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76
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77 class CVim : public IVim
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78 {
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79 public:
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80 ~CVim();
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81 static CVim *Create(int* pbDoRestart);
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82
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83 // IUnknown members
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84 STDMETHOD(QueryInterface)(REFIID riid, void ** ppv);
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85 STDMETHOD_(unsigned long, AddRef)(void);
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86 STDMETHOD_(unsigned long, Release)(void);
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87
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88 // IDispatch members
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89 STDMETHOD(GetTypeInfoCount)(UINT *pCount);
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90 STDMETHOD(GetTypeInfo)(UINT iTypeInfo, LCID, ITypeInfo **ppITypeInfo);
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91 STDMETHOD(GetIDsOfNames)(const IID& iid, OLECHAR** names, UINT n, LCID, DISPID *dispids);
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92 STDMETHOD(Invoke)(DISPID member, const IID& iid, LCID, WORD flags, DISPPARAMS *dispparams, VARIANT *result, EXCEPINFO *excepinfo, UINT *argerr);
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93
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94 // IVim members
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95 STDMETHOD(SendKeys)(BSTR keys);
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96 STDMETHOD(Eval)(BSTR expr, BSTR *result);
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97 STDMETHOD(SetForeground)(void);
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98 STDMETHOD(GetHwnd)(UINT* result);
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99
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100 private:
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101 // Constructor is private - create using CVim::Create()
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102 CVim() : ref(0), typeinfo(0) {};
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103
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104 // Reference count
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105 unsigned long ref;
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106
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107 // The object's TypeInfo
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108 ITypeInfo *typeinfo;
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109 };
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110
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111 /* Implementation
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112 * --------------
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113 */
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114
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115 CVim *CVim::Create(int* pbDoRestart)
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116 {
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117 HRESULT hr;
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118 CVim *me = 0;
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119 ITypeLib *typelib = 0;
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120 ITypeInfo *typeinfo = 0;
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121
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122 *pbDoRestart = FALSE;
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123
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124 // Create the object
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125 me = new CVim();
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126 if (me == NULL)
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127 {
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128 MessageBox(0, "Cannot create application object", "Vim Initialisation", 0);
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129 return NULL;
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130 }
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131
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132 // Load the type library from the registry
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133 hr = LoadRegTypeLib(MYLIBID, 1, 0, 0x00, &typelib);
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134 if (FAILED(hr))
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135 {
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136 HKEY hKey;
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137
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138 // Check we can write to the registry.
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139 // RegCreateKeyEx succeeds even if key exists. W.Briscoe W2K 20021011
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140 if (RegCreateKeyEx(HKEY_CLASSES_ROOT, MYVIPROGID, 0, NULL,
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141 REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, NULL))
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142 {
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143 delete me;
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144 return NULL; // Unable to write to registry. Quietly fail.
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145 }
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146 RegCloseKey(hKey);
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147
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148 if (MessageBox(0, "Cannot load registered type library.\nDo you want to register Vim now?",
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149 "Vim Initialisation", MB_YESNO | MB_ICONQUESTION) != IDYES)
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150 {
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151 delete me;
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152 return NULL;
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153 }
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154
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155 RegisterMe(FALSE);
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156
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157 // Load the type library from the registry
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158 hr = LoadRegTypeLib(MYLIBID, 1, 0, 0x00, &typelib);
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159 if (FAILED(hr))
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160 {
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161 MessageBox(0, "You must restart Vim in order for the registration to take effect.",
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162 "Vim Initialisation", 0);
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163 *pbDoRestart = TRUE;
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164 delete me;
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165 return NULL;
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166 }
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167 }
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168
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169 // Get the type info of the vtable interface
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170 hr = typelib->GetTypeInfoOfGuid(MYIID, &typeinfo);
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171 typelib->Release();
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172
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173 if (FAILED(hr))
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174 {
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175 MessageBox(0, "Cannot get interface type information",
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176 "Vim Initialisation", 0);
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177 delete me;
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178 return NULL;
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179 }
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180
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181 // Save the type information
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182 me->typeinfo = typeinfo;
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183 return me;
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184 }
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185
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186 CVim::~CVim()
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187 {
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188 if (typeinfo && vim_parent_hwnd == NULL)
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189 typeinfo->Release();
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190 }
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191
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192 STDMETHODIMP
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193 CVim::QueryInterface(REFIID riid, void **ppv)
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194 {
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195 if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IDispatch) || IsEqualIID(riid, MYIID))
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196 {
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197 AddRef();
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198 *ppv = this;
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199 return S_OK;
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200 }
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201
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202 *ppv = 0;
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203 return E_NOINTERFACE;
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204 }
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205
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206 STDMETHODIMP_(ULONG)
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207 CVim::AddRef()
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208 {
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209 return ++ref;
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210 }
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211
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212 STDMETHODIMP_(ULONG)
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213 CVim::Release()
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214 {
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215 // Don't delete the object when the reference count reaches zero, as there
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216 // is only a single application object, and its lifetime is controlled by
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217 // the running instance, not by its reference count.
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218 if (ref > 0)
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219 --ref;
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220 return ref;
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221 }
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222
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223 STDMETHODIMP
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224 CVim::GetTypeInfoCount(UINT *pCount)
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225 {
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226 *pCount = 1;
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227 return S_OK;
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228 }
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229
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230 STDMETHODIMP
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231 CVim::GetTypeInfo(UINT iTypeInfo, LCID, ITypeInfo **ppITypeInfo)
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232 {
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233 *ppITypeInfo = 0;
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234
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235 if (iTypeInfo != 0)
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236 return DISP_E_BADINDEX;
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237
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238 typeinfo->AddRef();
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239 *ppITypeInfo = typeinfo;
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240 return S_OK;
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241 }
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242
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243 STDMETHODIMP
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244 CVim::GetIDsOfNames(
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245 const IID& iid,
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246 OLECHAR** names,
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247 UINT n,
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248 LCID,
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249 DISPID *dispids)
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250 {
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251 if (iid != IID_NULL)
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252 return DISP_E_UNKNOWNINTERFACE;
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253
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254 return typeinfo->GetIDsOfNames(names, n, dispids);
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255 }
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256
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257 STDMETHODIMP
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258 CVim::Invoke(
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259 DISPID member,
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260 const IID& iid,
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261 LCID,
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262 WORD flags,
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263 DISPPARAMS *dispparams,
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264 VARIANT *result,
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265 EXCEPINFO *excepinfo,
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266 UINT *argerr)
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267 {
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268 if (iid != IID_NULL)
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269 return DISP_E_UNKNOWNINTERFACE;
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270
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271 ::SetErrorInfo(0, NULL);
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272 return typeinfo->Invoke(static_cast<IDispatch*>(this),
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273 member, flags, dispparams,
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274 result, excepinfo, argerr);
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275 }
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276
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277 STDMETHODIMP
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278 CVim::GetHwnd(UINT* result)
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279 {
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280 *result = (UINT) s_hwnd;
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281 return S_OK;
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282 }
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283
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284 STDMETHODIMP
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285 CVim::SetForeground(void)
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286 {
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287 /* Make the Vim window come to the foreground */
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288 gui_mch_set_foreground();
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289 return S_OK;
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290 }
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291
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292 STDMETHODIMP
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293 CVim::SendKeys(BSTR keys)
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294 {
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295 int len;
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296 char *buffer;
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297 char_u *str;
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298 char_u *ptr;
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299
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300 /* Get a suitable buffer */
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301 len = WideCharToMultiByte(CP_ACP, 0, keys, -1, 0, 0, 0, 0);
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302 buffer = (char *)alloc(len+1);
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303
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304 if (buffer == NULL)
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305 return E_OUTOFMEMORY;
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306
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307 len = WideCharToMultiByte(CP_ACP, 0, keys, -1, buffer, len, 0, 0);
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308
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309 if (len == 0)
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310 {
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311 vim_free(buffer);
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312 return E_INVALIDARG;
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313 }
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314
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315 /* Translate key codes like <Esc> */
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316 str = replace_termcodes((char_u *)buffer, &ptr, FALSE, TRUE);
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317
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318 /* If ptr was set, then a new buffer was allocated,
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319 * so we can free the old one.
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320 */
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321 if (ptr)
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322 vim_free((char_u *)(buffer));
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323
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324 /* Reject strings too long to fit in the input buffer. Allow 10 bytes
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325 * space to cover for the (remote) possibility that characters may enter
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326 * the input buffer between now and when the WM_OLE message is actually
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327 * processed. If more that 10 characters enter the input buffer in that
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328 * time, the WM_OLE processing will simply fail to insert the characters.
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329 */
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330 if ((int)(STRLEN(str)) > (vim_free_in_input_buf() - 10))
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331 {
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332 vim_free(str);
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333 return E_INVALIDARG;
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334 }
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335
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336 /* Pass the string to the main input loop. The memory will be freed when
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337 * the message is processed.
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338 */
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339 PostMessage(NULL, WM_OLE, 0, (LPARAM)str);
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340
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341 return S_OK;
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342 }
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343
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344 STDMETHODIMP
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345 CVim::Eval(BSTR expr, BSTR *result)
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346 {
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347 #ifdef FEAT_EVAL
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348 int len;
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349 char *buffer;
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350 char *str;
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351 wchar_t *w_buffer;
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352
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353 /* Get a suitable buffer */
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354 len = WideCharToMultiByte(CP_ACP, 0, expr, -1, 0, 0, 0, 0);
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355 if (len == 0)
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356 return E_INVALIDARG;
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357
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358 buffer = (char *)alloc((unsigned)len);
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359
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360 if (buffer == NULL)
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361 return E_OUTOFMEMORY;
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362
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363 /* Convert the (wide character) expression to an ASCII string */
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364 len = WideCharToMultiByte(CP_ACP, 0, expr, -1, buffer, len, 0, 0);
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365 if (len == 0)
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366 return E_INVALIDARG;
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367
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368 /* Evaluate the expression */
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369 ++emsg_skip;
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370 str = (char *)eval_to_string((char_u *)buffer, NULL);
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371 --emsg_skip;
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372 vim_free(buffer);
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373 if (str == NULL)
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374 return E_FAIL;
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375
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376 /* Convert the result to wide characters */
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377 MultiByteToWideChar_alloc(CP_ACP, 0, str, -1, &w_buffer, &len);
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378 vim_free(str);
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379 if (w_buffer == NULL)
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380 return E_OUTOFMEMORY;
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381
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382 if (len == 0)
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383 {
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384 vim_free(w_buffer);
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385 return E_FAIL;
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386 }
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387
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388 /* Store the result */
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389 *result = SysAllocString(w_buffer);
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390 vim_free(w_buffer);
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391
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392 return S_OK;
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393 #else
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394 return E_NOTIMPL;
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395 #endif
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396 }
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397
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398 /*****************************************************************************
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399 3. The class factory
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400 *****************************************************************************/
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401
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402 /* Definition
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403 * ----------
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404 */
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405
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406 class CVimCF : public IClassFactory
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407 {
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408 public:
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409 static CVimCF *Create();
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410
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411 STDMETHOD(QueryInterface)(REFIID riid, void ** ppv);
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412 STDMETHOD_(unsigned long, AddRef)(void);
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413 STDMETHOD_(unsigned long, Release)(void);
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414 STDMETHOD(CreateInstance)(IUnknown *punkOuter, REFIID riid, void ** ppv);
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415 STDMETHOD(LockServer)(BOOL lock);
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416
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417 private:
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418 // Constructor is private - create via Create()
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419 CVimCF() : ref(0) {};
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420
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421 // Reference count
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422 unsigned long ref;
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423 };
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424
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425 /* Implementation
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426 * --------------
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427 */
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428
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429 CVimCF *CVimCF::Create()
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430 {
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431 CVimCF *me = new CVimCF();
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432
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433 if (me == NULL)
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434 MessageBox(0, "Cannot create class factory", "Vim Initialisation", 0);
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435
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436 return me;
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437 }
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438
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439 STDMETHODIMP
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440 CVimCF::QueryInterface(REFIID riid, void **ppv)
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441 {
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442 if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IClassFactory))
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443 {
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444 AddRef();
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445 *ppv = this;
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446 return S_OK;
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447 }
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448
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449 *ppv = 0;
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450 return E_NOINTERFACE;
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451 }
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452
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453 STDMETHODIMP_(ULONG)
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454 CVimCF::AddRef()
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455 {
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456 return ++ref;
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457 }
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458
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459 STDMETHODIMP_(ULONG)
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460 CVimCF::Release()
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461 {
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462 // Don't delete the object when the reference count reaches zero, as there
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463 // is only a single application object, and its lifetime is controlled by
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464 // the running instance, not by its reference count.
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465 if (ref > 0)
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466 --ref;
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467 return ref;
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468 }
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469
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322
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470 /*ARGSUSED*/
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7
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471 STDMETHODIMP
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472 CVimCF::CreateInstance(IUnknown *punkOuter, REFIID riid, void **ppv)
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473 {
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474 return app->QueryInterface(riid, ppv);
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475 }
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476
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322
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477 /*ARGSUSED*/
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7
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478 STDMETHODIMP
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479 CVimCF::LockServer(BOOL lock)
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480 {
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481 return S_OK;
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482 }
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483
|
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484 /*****************************************************************************
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485 4. Registry manipulation code
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486 *****************************************************************************/
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487
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488 // Internal use only
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489 static void SetKeyAndValue(const char* path, const char* subkey, const char* value);
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490 static void GUIDtochar(const GUID& guid, char* GUID, int length);
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491 static void RecursiveDeleteKey(HKEY hKeyParent, const char* child);
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492 static const int GUID_STRING_SIZE = 39;
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493
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494 // Register the component in the registry
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495 // When "silent" is TRUE don't give any messages.
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496
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497 extern "C" void RegisterMe(int silent)
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498 {
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499 BOOL ok = TRUE;
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500
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501 // Get the application startup command
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502 char module[MAX_PATH];
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503
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504 ::GetModuleFileName(NULL, module, MAX_PATH);
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505
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506 // Unregister first (quietly)
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507 UnregisterMe(FALSE);
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508
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509 // Convert the CLSID into a char
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510 char clsid[GUID_STRING_SIZE];
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511 GUIDtochar(MYCLSID, clsid, sizeof(clsid));
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512
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513 // Convert the LIBID into a char
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514 char libid[GUID_STRING_SIZE];
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515 GUIDtochar(MYLIBID, libid, sizeof(libid));
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516
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517 // Build the key CLSID\\{...}
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518 char Key[MAX_CLSID_LEN];
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519 strcpy(Key, "CLSID\\");
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520 strcat(Key, clsid);
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521
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522 // Add the CLSID to the registry
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523 SetKeyAndValue(Key, NULL, MYNAME);
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524 SetKeyAndValue(Key, "LocalServer32", module);
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525 SetKeyAndValue(Key, "ProgID", MYPROGID);
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526 SetKeyAndValue(Key, "VersionIndependentProgID", MYVIPROGID);
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527 SetKeyAndValue(Key, "TypeLib", libid);
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528
|
|
529 // Add the version-independent ProgID subkey under HKEY_CLASSES_ROOT
|
|
530 SetKeyAndValue(MYVIPROGID, NULL, MYNAME);
|
|
531 SetKeyAndValue(MYVIPROGID, "CLSID", clsid);
|
|
532 SetKeyAndValue(MYVIPROGID, "CurVer", MYPROGID);
|
|
533
|
|
534 // Add the versioned ProgID subkey under HKEY_CLASSES_ROOT
|
|
535 SetKeyAndValue(MYPROGID, NULL, MYNAME);
|
|
536 SetKeyAndValue(MYPROGID, "CLSID", clsid);
|
|
537
|
|
538 wchar_t w_module[MAX_PATH];
|
|
539 MultiByteToWideChar(CP_ACP, 0, module, -1, w_module, MAX_PATH);
|
|
540
|
|
541 ITypeLib *typelib = NULL;
|
|
542 if (LoadTypeLib(w_module, &typelib) != S_OK)
|
|
543 {
|
|
544 if (!silent)
|
|
545 MessageBox(0, "Cannot load type library to register",
|
|
546 "Vim Registration", 0);
|
|
547 ok = FALSE;
|
|
548 }
|
|
549 else
|
|
550 {
|
|
551 if (RegisterTypeLib(typelib, w_module, NULL) != S_OK)
|
|
552 {
|
|
553 if (!silent)
|
|
554 MessageBox(0, "Cannot register type library",
|
|
555 "Vim Registration", 0);
|
|
556 ok = FALSE;
|
|
557 }
|
|
558 typelib->Release();
|
|
559 }
|
|
560
|
|
561 if (ok && !silent)
|
|
562 MessageBox(0, "Registered successfully", "Vim", 0);
|
|
563 }
|
|
564
|
|
565 // Remove the component from the registry
|
|
566 //
|
|
567 // Note: There is little error checking in this code, to allow incomplete
|
|
568 // or failed registrations to be undone.
|
|
569 extern "C" void UnregisterMe(int bNotifyUser)
|
|
570 {
|
|
571 // Unregister the type library
|
|
572 ITypeLib *typelib;
|
|
573 if (SUCCEEDED(LoadRegTypeLib(MYLIBID, MAJORVER, MINORVER, LOCALE, &typelib)))
|
|
574 {
|
|
575 TLIBATTR *tla;
|
|
576 if (SUCCEEDED(typelib->GetLibAttr(&tla)))
|
|
577 {
|
|
578 UnRegisterTypeLib(tla->guid, tla->wMajorVerNum, tla->wMinorVerNum,
|
|
579 tla->lcid, tla->syskind);
|
|
580 typelib->ReleaseTLibAttr(tla);
|
|
581 }
|
|
582 typelib->Release();
|
|
583 }
|
|
584
|
|
585 // Convert the CLSID into a char
|
|
586 char clsid[GUID_STRING_SIZE];
|
|
587 GUIDtochar(MYCLSID, clsid, sizeof(clsid));
|
|
588
|
|
589 // Build the key CLSID\\{...}
|
|
590 char Key[MAX_CLSID_LEN];
|
|
591 strcpy(Key, "CLSID\\");
|
|
592 strcat(Key, clsid);
|
|
593
|
|
594 // Delete the CLSID Key - CLSID\{...}
|
|
595 RecursiveDeleteKey(HKEY_CLASSES_ROOT, Key);
|
|
596
|
|
597 // Delete the version-independent ProgID Key
|
|
598 RecursiveDeleteKey(HKEY_CLASSES_ROOT, MYVIPROGID);
|
|
599
|
|
600 // Delete the ProgID key
|
|
601 RecursiveDeleteKey(HKEY_CLASSES_ROOT, MYPROGID);
|
|
602
|
|
603 if (bNotifyUser)
|
|
604 MessageBox(0, "Unregistered successfully", "Vim", 0);
|
|
605 }
|
|
606
|
|
607 /****************************************************************************/
|
|
608
|
|
609 // Convert a GUID to a char string
|
|
610 static void GUIDtochar(const GUID& guid, char* GUID, int length)
|
|
611 {
|
|
612 // Get wide string version
|
|
613 LPOLESTR wGUID = NULL;
|
|
614 StringFromCLSID(guid, &wGUID);
|
|
615
|
|
616 // Covert from wide characters to non-wide
|
|
617 wcstombs(GUID, wGUID, length);
|
|
618
|
|
619 // Free memory
|
|
620 CoTaskMemFree(wGUID);
|
|
621 }
|
|
622
|
|
623 // Delete a key and all of its descendents
|
|
624 static void RecursiveDeleteKey(HKEY hKeyParent, const char* child)
|
|
625 {
|
|
626 // Open the child
|
|
627 HKEY hKeyChild;
|
|
628 LONG result = RegOpenKeyEx(hKeyParent, child, 0, KEY_ALL_ACCESS, &hKeyChild);
|
|
629 if (result != ERROR_SUCCESS)
|
|
630 return;
|
|
631
|
|
632 // Enumerate all of the decendents of this child
|
|
633 FILETIME time;
|
|
634 char buffer[1024];
|
|
635 DWORD size = 1024;
|
|
636
|
|
637 while (RegEnumKeyEx(hKeyChild, 0, buffer, &size, NULL,
|
|
638 NULL, NULL, &time) == S_OK)
|
|
639 {
|
|
640 // Delete the decendents of this child
|
|
641 RecursiveDeleteKey(hKeyChild, buffer);
|
|
642 size = 256;
|
|
643 }
|
|
644
|
|
645 // Close the child
|
|
646 RegCloseKey(hKeyChild);
|
|
647
|
|
648 // Delete this child
|
|
649 RegDeleteKey(hKeyParent, child);
|
|
650 }
|
|
651
|
|
652 // Create a key and set its value
|
|
653 static void SetKeyAndValue(const char* key, const char* subkey, const char* value)
|
|
654 {
|
|
655 HKEY hKey;
|
|
656 char buffer[1024];
|
|
657
|
|
658 strcpy(buffer, key);
|
|
659
|
|
660 // Add subkey name to buffer.
|
|
661 if (subkey)
|
|
662 {
|
|
663 strcat(buffer, "\\");
|
|
664 strcat(buffer, subkey);
|
|
665 }
|
|
666
|
|
667 // Create and open key and subkey.
|
|
668 long result = RegCreateKeyEx(HKEY_CLASSES_ROOT,
|
|
669 buffer,
|
|
670 0, NULL, REG_OPTION_NON_VOLATILE,
|
|
671 KEY_ALL_ACCESS, NULL,
|
|
672 &hKey, NULL);
|
|
673 if (result != ERROR_SUCCESS)
|
|
674 return;
|
|
675
|
|
676 // Set the value
|
|
677 if (value)
|
|
678 RegSetValueEx(hKey, NULL, 0, REG_SZ, (BYTE *)value,
|
|
679 (DWORD)STRLEN(value)+1);
|
|
680
|
|
681 RegCloseKey(hKey);
|
|
682 }
|
|
683
|
|
684 /*****************************************************************************
|
|
685 5. OLE Initialisation and shutdown processing
|
|
686 *****************************************************************************/
|
|
687 extern "C" void InitOLE(int* pbDoRestart)
|
|
688 {
|
|
689 HRESULT hr;
|
|
690
|
|
691 *pbDoRestart = FALSE;
|
|
692
|
|
693 // Initialize the OLE libraries
|
|
694 hr = OleInitialize(NULL);
|
|
695 if (FAILED(hr))
|
|
696 {
|
|
697 MessageBox(0, "Cannot initialise OLE", "Vim Initialisation", 0);
|
|
698 goto error0;
|
|
699 }
|
|
700
|
|
701 // Create the application object
|
|
702 app = CVim::Create(pbDoRestart);
|
|
703 if (app == NULL)
|
|
704 goto error1;
|
|
705
|
|
706 // Create the class factory
|
|
707 cf = CVimCF::Create();
|
|
708 if (cf == NULL)
|
|
709 goto error1;
|
|
710
|
|
711 // Register the class factory
|
|
712 hr = CoRegisterClassObject(
|
|
713 MYCLSID,
|
|
714 cf,
|
|
715 CLSCTX_LOCAL_SERVER,
|
|
716 REGCLS_MULTIPLEUSE,
|
|
717 &cf_id);
|
|
718
|
|
719 if (FAILED(hr))
|
|
720 {
|
|
721 MessageBox(0, "Cannot register class factory", "Vim Initialisation", 0);
|
|
722 goto error1;
|
|
723 }
|
|
724
|
|
725 // Register the application object as active
|
|
726 hr = RegisterActiveObject(
|
|
727 app,
|
|
728 MYCLSID,
|
|
729 NULL,
|
|
730 &app_id);
|
|
731
|
|
732 if (FAILED(hr))
|
|
733 {
|
|
734 MessageBox(0, "Cannot register application object", "Vim Initialisation", 0);
|
|
735 goto error1;
|
|
736 }
|
|
737
|
|
738 return;
|
|
739
|
|
740 // Errors: tidy up as much as needed and return
|
|
741 error1:
|
|
742 UninitOLE();
|
|
743 error0:
|
|
744 return;
|
|
745 }
|
|
746
|
|
747 extern "C" void UninitOLE()
|
|
748 {
|
|
749 // Unregister the application object
|
|
750 if (app_id)
|
|
751 {
|
|
752 RevokeActiveObject(app_id, NULL);
|
|
753 app_id = 0;
|
|
754 }
|
|
755
|
|
756 // Unregister the class factory
|
|
757 if (cf_id)
|
|
758 {
|
|
759 CoRevokeClassObject(cf_id);
|
|
760 cf_id = 0;
|
|
761 }
|
|
762
|
|
763 // Shut down the OLE libraries
|
|
764 OleUninitialize();
|
|
765
|
|
766 // Delete the application object
|
|
767 if (app)
|
|
768 {
|
|
769 delete app;
|
|
770 app = NULL;
|
|
771 }
|
|
772
|
|
773 // Delete the class factory
|
|
774 if (cf)
|
|
775 {
|
|
776 delete cf;
|
|
777 cf = NULL;
|
|
778 }
|
|
779 }
|
|
780 #endif /* FEAT_OLE */
|