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10
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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 gvimext by Tianmiao Hu
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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 /*
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10 * gvimext is a DLL which is used for the "Edit with Vim" context menu
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11 * extension. It implements a MS defined interface with the Shell.
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12 *
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13 * If you have any questions or any suggestions concerning gvimext, please
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14 * contact Tianmiao Hu: tianmiao@acm.org.
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15 */
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16
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17 #include "gvimext.h"
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18
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19 #ifdef __BORLANDC__
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20 # include <dir.h>
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21 # ifndef _strnicmp
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22 # define _strnicmp(a, b, c) strnicmp((a), (b), (c))
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23 # endif
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24 #else
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25 static char *searchpath(char *name);
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26 #endif
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27
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28 // Always get an error while putting the following stuff to the
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29 // gvimext.h file as class protected variables, give up and
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30 // declare them as global stuff
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31 FORMATETC fmte = {CF_HDROP,
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32 (DVTARGETDEVICE FAR *)NULL,
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33 DVASPECT_CONTENT,
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34 -1,
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35 TYMED_HGLOBAL
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36 };
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37 STGMEDIUM medium;
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38 HRESULT hres = 0;
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39 UINT cbFiles = 0;
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40
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41 //
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42 // Get the name of the Gvim executable to use, with the path.
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43 // When "runtime" is non-zero, we were called to find the runtime directory.
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44 // Returns the path in name[MAX_PATH]. It's empty when it fails.
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45 //
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46 static void
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47 getGvimName(char *name, int runtime)
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48 {
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49 HKEY keyhandle;
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50 DWORD hlen;
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51
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52 // Get the location of gvim from the registry.
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53 name[0] = 0;
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54 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0,
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55 KEY_READ, &keyhandle) == ERROR_SUCCESS)
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56 {
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57 hlen = MAX_PATH;
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58 if (RegQueryValueEx(keyhandle, "path", 0, NULL, (BYTE *)name, &hlen)
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59 != ERROR_SUCCESS)
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60 name[0] = 0;
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61 else
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62 name[hlen] = 0;
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63 RegCloseKey(keyhandle);
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64 }
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65
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66 // Registry didn't work, use the search path.
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67 if (name[0] == 0)
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68 strcpy(name, searchpath("gvim.exe"));
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69
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70 if (!runtime)
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71 {
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72 // Only when looking for the executable, not the runtime dir, we can
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73 // search for the batch file or a name without a path.
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74 if (name[0] == 0)
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75 strcpy(name, searchpath("gvim.bat"));
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76 if (name[0] == 0)
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77 strcpy(name, "gvim"); // finds gvim.bat or gvim.exe
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78
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79 // avoid that Vim tries to expand wildcards in the file names
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80 strcat(name, " --literal");
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81 }
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82 }
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83
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84 //
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85 // Get the Vim runtime directory into buf[MAX_PATH].
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86 // The result is empty when it failed.
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87 // When it works, the path ends in a slash or backslash.
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88 //
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89 static void
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90 getRuntimeDir(char *buf)
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91 {
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92 int idx;
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93
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94 getGvimName(buf, 1);
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95 if (buf[0] != 0)
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96 {
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97 // When no path found, use the search path to expand it.
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98 if (strchr(buf, '/') == NULL && strchr(buf, '\\') == NULL)
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99 strcpy(buf, searchpath(buf));
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100
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101 // remove "gvim.exe" from the end
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102 for (idx = strlen(buf) - 1; idx >= 0; idx--)
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103 if (buf[idx] == '\\' || buf[idx] == '/')
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104 {
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105 buf[idx + 1] = 0;
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106 break;
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107 }
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108 }
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109 }
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110
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111 //
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112 // GETTEXT: translated messages and menu entries
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113 //
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114 #ifndef FEAT_GETTEXT
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115 # define _(x) x
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116 #else
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117 # define _(x) (*dyn_libintl_gettext)(x)
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118 # define VIMPACKAGE "vim"
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119 # ifndef GETTEXT_DLL
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120 # define GETTEXT_DLL "libintl.dll"
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121 # endif
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122
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123 // Dummy functions
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124 static char *null_libintl_gettext(const char *);
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125 static char *null_libintl_textdomain(const char *);
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126 static char *null_libintl_bindtextdomain(const char *, const char *);
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127 static int dyn_libintl_init(char *dir);
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128 static void dyn_libintl_end(void);
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129
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130 static HINSTANCE hLibintlDLL = 0;
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131 static char *(*dyn_libintl_gettext)(const char *) = null_libintl_gettext;
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132 static char *(*dyn_libintl_textdomain)(const char *) = null_libintl_textdomain;
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133 static char *(*dyn_libintl_bindtextdomain)(const char *, const char *)
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134 = null_libintl_bindtextdomain;
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135
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136 //
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137 // Attempt to load libintl.dll. If it doesn't work, use dummy functions.
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138 // "dir" is the directory where the libintl.dll might be.
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139 // Return 1 for success, 0 for failure.
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140 //
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141 static int
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142 dyn_libintl_init(char *dir)
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143 {
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144 int i;
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145 static struct
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146 {
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147 char *name;
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148 FARPROC *ptr;
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149 } libintl_entry[] =
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150 {
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151 {"gettext", (FARPROC*)&dyn_libintl_gettext},
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152 {"textdomain", (FARPROC*)&dyn_libintl_textdomain},
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153 {"bindtextdomain", (FARPROC*)&dyn_libintl_bindtextdomain},
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154 {NULL, NULL}
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155 };
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156
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157 // No need to initialize twice.
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158 if (hLibintlDLL)
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159 return 1;
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160
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161 // Load gettext library, first try the Vim runtime directory, then search
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162 // the path.
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163 strcat(dir, GETTEXT_DLL);
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164 hLibintlDLL = LoadLibrary(dir);
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165 if (!hLibintlDLL)
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166 {
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167 hLibintlDLL = LoadLibrary(GETTEXT_DLL);
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168 if (!hLibintlDLL)
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169 return 0;
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170 }
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171
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172 // Get the addresses of the functions we need.
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173 for (i = 0; libintl_entry[i].name != NULL
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174 && libintl_entry[i].ptr != NULL; ++i)
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175 {
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176 if ((*libintl_entry[i].ptr = GetProcAddress(hLibintlDLL,
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177 libintl_entry[i].name)) == NULL)
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178 {
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179 dyn_libintl_end();
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180 return 0;
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181 }
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182 }
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183 return 1;
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184 }
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185
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186 static void
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187 dyn_libintl_end(void)
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188 {
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189 if (hLibintlDLL)
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190 FreeLibrary(hLibintlDLL);
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191 hLibintlDLL = NULL;
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192 dyn_libintl_gettext = null_libintl_gettext;
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193 dyn_libintl_textdomain = null_libintl_textdomain;
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194 dyn_libintl_bindtextdomain = null_libintl_bindtextdomain;
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195 }
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196
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197 static char *
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198 null_libintl_gettext(const char *msgid)
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199 {
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200 return (char *)msgid;
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201 }
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202
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203 static char *
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204 null_libintl_bindtextdomain(const char *domainname, const char *dirname)
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205 {
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206 return NULL;
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207 }
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208
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209 static char *
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210 null_libintl_textdomain(const char* domainname)
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211 {
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212 return NULL;
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213 }
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214
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215 //
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216 // Setup for translating strings.
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217 //
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218 static void
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219 dyn_gettext_load(void)
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220 {
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221 char szBuff[MAX_PATH];
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222 char szLang[MAX_PATH];
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223 DWORD len;
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224 HKEY keyhandle;
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225 int gotlang = 0;
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226
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227 strcpy(szLang, "LANG=");
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228
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229 // First try getting the language from the registry, this can be
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230 // used to overrule the system language.
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231 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0,
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232 KEY_READ, &keyhandle) == ERROR_SUCCESS)
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233 {
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234 len = MAX_PATH;
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235 if (RegQueryValueEx(keyhandle, "lang", 0, NULL, (BYTE*)szBuff, &len)
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236 == ERROR_SUCCESS)
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237 {
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238 szBuff[len] = 0;
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239 strcat(szLang, szBuff);
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240 gotlang = 1;
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241 }
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242 RegCloseKey(keyhandle);
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243 }
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244
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245 if (!gotlang && getenv("LANG") == NULL)
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246 {
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247 // Get the language from the system.
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248 // Could use LOCALE_SISO639LANGNAME, but it's not in Win95.
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249 // LOCALE_SABBREVLANGNAME gives us three letters, like "enu", we use
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250 // only the first two.
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251 len = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVLANGNAME,
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252 (LPTSTR)szBuff, MAX_PATH);
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253 if (len >= 2 && _strnicmp(szBuff, "en", 2) != 0)
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254 {
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255 // There are a few exceptions (probably more)
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256 if (_strnicmp(szBuff, "cht", 3) == 0
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257 || _strnicmp(szBuff, "zht", 3) == 0)
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258 strcpy(szBuff, "zh_TW");
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259 else if (_strnicmp(szBuff, "chs", 3) == 0
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260 || _strnicmp(szBuff, "zhc", 3) == 0)
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261 strcpy(szBuff, "zh_CN");
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262 else if (_strnicmp(szBuff, "jp", 2) == 0)
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263 strcpy(szBuff, "ja");
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264 else
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265 szBuff[2] = 0; // truncate to two-letter code
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266 strcat(szLang, szBuff);
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267 gotlang = 1;
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268 }
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269 }
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270 if (gotlang)
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271 putenv(szLang);
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272
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273 // Try to locate the runtime files. The path is used to find libintl.dll
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274 // and the vim.mo files.
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275 getRuntimeDir(szBuff);
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276 if (szBuff[0] != 0)
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277 {
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278 len = strlen(szBuff);
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279 if (dyn_libintl_init(szBuff))
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280 {
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281 strcpy(szBuff + len, "lang");
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282
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283 (*dyn_libintl_bindtextdomain)(VIMPACKAGE, szBuff);
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284 (*dyn_libintl_textdomain)(VIMPACKAGE);
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285 }
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286 }
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287 }
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288
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289 static void
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290 dyn_gettext_free(void)
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291 {
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292 dyn_libintl_end();
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293 }
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294 #endif // FEAT_GETTEXT
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295
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296 //
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297 // Global variables
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298 //
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299 UINT g_cRefThisDll = 0; // Reference count of this DLL.
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300 HINSTANCE g_hmodThisDll = NULL; // Handle to this DLL itself.
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301
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302
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303 //---------------------------------------------------------------------------
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304 // DllMain
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305 //---------------------------------------------------------------------------
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306 extern "C" int APIENTRY
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307 DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
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308 {
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309 switch (dwReason)
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310 {
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311 case DLL_PROCESS_ATTACH:
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312 // Extension DLL one-time initialization
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313 g_hmodThisDll = hInstance;
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314 break;
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315
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316 case DLL_PROCESS_DETACH:
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317 break;
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318 }
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319
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320 return 1; // ok
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321 }
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322
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323 static void
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324 inc_cRefThisDLL()
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325 {
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326 #ifdef FEAT_GETTEXT
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327 if (g_cRefThisDll == 0)
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328 dyn_gettext_load();
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329 #endif
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330 InterlockedIncrement((LPLONG)&g_cRefThisDll);
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331 }
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332
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333 static void
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334 dec_cRefThisDLL()
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335 {
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336 #ifdef FEAT_GETTEXT
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337 if (InterlockedDecrement((LPLONG)&g_cRefThisDll) == 0)
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338 dyn_gettext_free();
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339 #else
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340 InterlockedDecrement((LPLONG)&g_cRefThisDll);
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341 #endif
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342 }
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343
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344 //---------------------------------------------------------------------------
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345 // DllCanUnloadNow
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346 //---------------------------------------------------------------------------
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347
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348 STDAPI DllCanUnloadNow(void)
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349 {
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350 return (g_cRefThisDll == 0 ? S_OK : S_FALSE);
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351 }
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352
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353 STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppvOut)
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354 {
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355 *ppvOut = NULL;
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356
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357 if (IsEqualIID(rclsid, CLSID_ShellExtension))
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358 {
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359 CShellExtClassFactory *pcf = new CShellExtClassFactory;
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360
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361 return pcf->QueryInterface(riid, ppvOut);
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362 }
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363
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364 return CLASS_E_CLASSNOTAVAILABLE;
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365 }
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366
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367 CShellExtClassFactory::CShellExtClassFactory()
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368 {
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369 m_cRef = 0L;
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370
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371 inc_cRefThisDLL();
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372 }
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373
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374 CShellExtClassFactory::~CShellExtClassFactory()
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375 {
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376 dec_cRefThisDLL();
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377 }
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378
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379 STDMETHODIMP CShellExtClassFactory::QueryInterface(REFIID riid,
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380 LPVOID FAR *ppv)
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381 {
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382 *ppv = NULL;
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383
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384 // Any interface on this object is the object pointer
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385
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386 if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IClassFactory))
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387 {
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388 *ppv = (LPCLASSFACTORY)this;
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389
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390 AddRef();
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391
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392 return NOERROR;
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393 }
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394
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395 return E_NOINTERFACE;
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396 }
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397
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398 STDMETHODIMP_(ULONG) CShellExtClassFactory::AddRef()
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399 {
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400 return InterlockedIncrement((LPLONG)&m_cRef);
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401 }
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402
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403 STDMETHODIMP_(ULONG) CShellExtClassFactory::Release()
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404 {
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405 if (InterlockedDecrement((LPLONG)&m_cRef))
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406 return m_cRef;
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407
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408 delete this;
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409
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410 return 0L;
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411 }
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412
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413 STDMETHODIMP CShellExtClassFactory::CreateInstance(LPUNKNOWN pUnkOuter,
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414 REFIID riid,
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|
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415 LPVOID *ppvObj)
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416 {
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417 *ppvObj = NULL;
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418
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419 // Shell extensions typically don't support aggregation (inheritance)
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420
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421 if (pUnkOuter)
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422 return CLASS_E_NOAGGREGATION;
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423
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|
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424 // Create the main shell extension object. The shell will then call
|
|
|
425 // QueryInterface with IID_IShellExtInit--this is how shell extensions are
|
|
|
426 // initialized.
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|
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427
|
|
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428 LPCSHELLEXT pShellExt = new CShellExt(); //Create the CShellExt object
|
|
|
429
|
|
|
430 if (NULL == pShellExt)
|
|
|
431 return E_OUTOFMEMORY;
|
|
|
432
|
|
|
433 return pShellExt->QueryInterface(riid, ppvObj);
|
|
|
434 }
|
|
|
435
|
|
|
436
|
|
|
437 STDMETHODIMP CShellExtClassFactory::LockServer(BOOL fLock)
|
|
|
438 {
|
|
|
439 return NOERROR;
|
|
|
440 }
|
|
|
441
|
|
|
442 // *********************** CShellExt *************************
|
|
|
443 CShellExt::CShellExt()
|
|
|
444 {
|
|
|
445 m_cRef = 0L;
|
|
|
446 m_pDataObj = NULL;
|
|
|
447
|
|
|
448 inc_cRefThisDLL();
|
|
|
449 }
|
|
|
450
|
|
|
451 CShellExt::~CShellExt()
|
|
|
452 {
|
|
|
453 if (m_pDataObj)
|
|
|
454 m_pDataObj->Release();
|
|
|
455
|
|
|
456 dec_cRefThisDLL();
|
|
|
457 }
|
|
|
458
|
|
|
459 STDMETHODIMP CShellExt::QueryInterface(REFIID riid, LPVOID FAR *ppv)
|
|
|
460 {
|
|
|
461 *ppv = NULL;
|
|
|
462
|
|
|
463 if (IsEqualIID(riid, IID_IShellExtInit) || IsEqualIID(riid, IID_IUnknown))
|
|
|
464 {
|
|
|
465 *ppv = (LPSHELLEXTINIT)this;
|
|
|
466 }
|
|
|
467 else if (IsEqualIID(riid, IID_IContextMenu))
|
|
|
468 {
|
|
|
469 *ppv = (LPCONTEXTMENU)this;
|
|
|
470 }
|
|
|
471
|
|
|
472 if (*ppv)
|
|
|
473 {
|
|
|
474 AddRef();
|
|
|
475
|
|
|
476 return NOERROR;
|
|
|
477 }
|
|
|
478
|
|
|
479 return E_NOINTERFACE;
|
|
|
480 }
|
|
|
481
|
|
|
482 STDMETHODIMP_(ULONG) CShellExt::AddRef()
|
|
|
483 {
|
|
|
484 return InterlockedIncrement((LPLONG)&m_cRef);
|
|
|
485 }
|
|
|
486
|
|
|
487 STDMETHODIMP_(ULONG) CShellExt::Release()
|
|
|
488 {
|
|
|
489
|
|
|
490 if (InterlockedDecrement((LPLONG)&m_cRef))
|
|
|
491 return m_cRef;
|
|
|
492
|
|
|
493 delete this;
|
|
|
494
|
|
|
495 return 0L;
|
|
|
496 }
|
|
|
497
|
|
|
498
|
|
|
499 //
|
|
|
500 // FUNCTION: CShellExt::Initialize(LPCITEMIDLIST, LPDATAOBJECT, HKEY)
|
|
|
501 //
|
|
|
502 // PURPOSE: Called by the shell when initializing a context menu or property
|
|
|
503 // sheet extension.
|
|
|
504 //
|
|
|
505 // PARAMETERS:
|
|
|
506 // pIDFolder - Specifies the parent folder
|
|
|
507 // pDataObj - Spefifies the set of items selected in that folder.
|
|
|
508 // hRegKey - Specifies the type of the focused item in the selection.
|
|
|
509 //
|
|
|
510 // RETURN VALUE:
|
|
|
511 //
|
|
|
512 // NOERROR in all cases.
|
|
|
513 //
|
|
|
514 // COMMENTS: Note that at the time this function is called, we don't know
|
|
|
515 // (or care) what type of shell extension is being initialized.
|
|
|
516 // It could be a context menu or a property sheet.
|
|
|
517 //
|
|
|
518
|
|
|
519 STDMETHODIMP CShellExt::Initialize(LPCITEMIDLIST pIDFolder,
|
|
|
520 LPDATAOBJECT pDataObj,
|
|
|
521 HKEY hRegKey)
|
|
|
522 {
|
|
|
523 // Initialize can be called more than once
|
|
|
524 if (m_pDataObj)
|
|
|
525 m_pDataObj->Release();
|
|
|
526
|
|
|
527 // duplicate the object pointer and registry handle
|
|
|
528
|
|
|
529 if (pDataObj)
|
|
|
530 {
|
|
|
531 m_pDataObj = pDataObj;
|
|
|
532 pDataObj->AddRef();
|
|
|
533 }
|
|
|
534
|
|
|
535 return NOERROR;
|
|
|
536 }
|
|
|
537
|
|
|
538
|
|
|
539 //
|
|
|
540 // FUNCTION: CShellExt::QueryContextMenu(HMENU, UINT, UINT, UINT, UINT)
|
|
|
541 //
|
|
|
542 // PURPOSE: Called by the shell just before the context menu is displayed.
|
|
|
543 // This is where you add your specific menu items.
|
|
|
544 //
|
|
|
545 // PARAMETERS:
|
|
|
546 // hMenu - Handle to the context menu
|
|
|
547 // indexMenu - Index of where to begin inserting menu items
|
|
|
548 // idCmdFirst - Lowest value for new menu ID's
|
|
|
549 // idCmtLast - Highest value for new menu ID's
|
|
|
550 // uFlags - Specifies the context of the menu event
|
|
|
551 //
|
|
|
552 // RETURN VALUE:
|
|
|
553 //
|
|
|
554 //
|
|
|
555 // COMMENTS:
|
|
|
556 //
|
|
|
557
|
|
|
558 STDMETHODIMP CShellExt::QueryContextMenu(HMENU hMenu,
|
|
|
559 UINT indexMenu,
|
|
|
560 UINT idCmdFirst,
|
|
|
561 UINT idCmdLast,
|
|
|
562 UINT uFlags)
|
|
|
563 {
|
|
|
564 UINT idCmd = idCmdFirst;
|
|
|
565
|
|
|
566 hres = m_pDataObj->GetData(&fmte, &medium);
|
|
|
567 if (medium.hGlobal)
|
|
|
568 cbFiles = DragQueryFile((HDROP)medium.hGlobal, (UINT)-1, 0, 0);
|
|
|
569
|
|
|
570 // InsertMenu(hMenu, indexMenu++, MF_SEPARATOR|MF_BYPOSITION, 0, NULL);
|
|
|
571
|
|
|
572 // Initialize m_cntOfHWnd to 0
|
|
|
573 m_cntOfHWnd = 0;
|
|
|
574 // Retieve all the vim instances
|
|
|
575 EnumWindows(EnumWindowsProc, (LPARAM)this);
|
|
|
576
|
|
|
577 if (cbFiles > 1)
|
|
|
578 {
|
|
|
579 InsertMenu(hMenu,
|
|
|
580 indexMenu++,
|
|
|
581 MF_STRING|MF_BYPOSITION,
|
|
|
582 idCmd++,
|
|
|
583 _("Edit with &multiple Vims"));
|
|
|
584
|
|
|
585 InsertMenu(hMenu,
|
|
|
586 indexMenu++,
|
|
|
587 MF_STRING|MF_BYPOSITION,
|
|
|
588 idCmd++,
|
|
|
589 _("Edit with single &Vim"));
|
|
|
590
|
|
|
591 if (cbFiles <= 4)
|
|
|
592 {
|
|
|
593 // Can edit up to 4 files in diff mode
|
|
|
594 InsertMenu(hMenu,
|
|
|
595 indexMenu++,
|
|
|
596 MF_STRING|MF_BYPOSITION,
|
|
|
597 idCmd++,
|
|
23
|
598 _("Diff with Vim"));
|
|
10
|
599 m_edit_existing_off = 3;
|
|
|
600 }
|
|
|
601 else
|
|
|
602 m_edit_existing_off = 2;
|
|
|
603
|
|
|
604 }
|
|
|
605 else
|
|
|
606 {
|
|
|
607 InsertMenu(hMenu,
|
|
|
608 indexMenu++,
|
|
|
609 MF_STRING|MF_BYPOSITION,
|
|
|
610 idCmd++,
|
|
|
611 _("Edit with &Vim"));
|
|
|
612 m_edit_existing_off = 1;
|
|
|
613 }
|
|
|
614
|
|
|
615 // Now display all the vim instances
|
|
|
616 for (int i = 0; i < m_cntOfHWnd; i++)
|
|
|
617 {
|
|
|
618 char title[MAX_PATH];
|
|
|
619 char temp[MAX_PATH];
|
|
|
620
|
|
|
621 // Obtain window title, continue if can not
|
|
|
622 if (GetWindowText(m_hWnd[i], title, MAX_PATH - 1) == 0)
|
|
|
623 continue;
|
|
|
624 // Truncate the title before the path, keep the file name
|
|
|
625 char *pos = strchr(title, '(');
|
|
|
626 if (pos != NULL)
|
|
|
627 {
|
|
|
628 if (pos > title && pos[-1] == ' ')
|
|
|
629 --pos;
|
|
|
630 *pos = 0;
|
|
|
631 }
|
|
|
632 // Now concatenate
|
|
26
|
633 strncpy(temp, _("Edit with existing Vim - "), MAX_PATH - 1);
|
|
10
|
634 strncat(temp, title, MAX_PATH - 1);
|
|
|
635 InsertMenu(hMenu,
|
|
|
636 indexMenu++,
|
|
|
637 MF_STRING|MF_BYPOSITION,
|
|
|
638 idCmd++,
|
|
|
639 temp);
|
|
|
640 }
|
|
|
641 // InsertMenu(hMenu, indexMenu++, MF_SEPARATOR|MF_BYPOSITION, 0, NULL);
|
|
|
642
|
|
|
643 // Must return number of menu items we added.
|
|
|
644 return ResultFromShort(idCmd-idCmdFirst);
|
|
|
645 }
|
|
|
646
|
|
|
647 //
|
|
|
648 // FUNCTION: CShellExt::InvokeCommand(LPCMINVOKECOMMANDINFO)
|
|
|
649 //
|
|
|
650 // PURPOSE: Called by the shell after the user has selected on of the
|
|
|
651 // menu items that was added in QueryContextMenu().
|
|
|
652 //
|
|
|
653 // PARAMETERS:
|
|
|
654 // lpcmi - Pointer to an CMINVOKECOMMANDINFO structure
|
|
|
655 //
|
|
|
656 // RETURN VALUE:
|
|
|
657 //
|
|
|
658 //
|
|
|
659 // COMMENTS:
|
|
|
660 //
|
|
|
661
|
|
|
662 STDMETHODIMP CShellExt::InvokeCommand(LPCMINVOKECOMMANDINFO lpcmi)
|
|
|
663 {
|
|
|
664 HRESULT hr = E_INVALIDARG;
|
|
|
665
|
|
|
666 // If HIWORD(lpcmi->lpVerb) then we have been called programmatically
|
|
|
667 // and lpVerb is a command that should be invoked. Otherwise, the shell
|
|
|
668 // has called us, and LOWORD(lpcmi->lpVerb) is the menu ID the user has
|
|
|
669 // selected. Actually, it's (menu ID - idCmdFirst) from QueryContextMenu().
|
|
|
670 if (!HIWORD(lpcmi->lpVerb))
|
|
|
671 {
|
|
|
672 UINT idCmd = LOWORD(lpcmi->lpVerb);
|
|
|
673
|
|
|
674 if (idCmd >= m_edit_existing_off)
|
|
|
675 {
|
|
|
676 // Existing with vim instance
|
|
|
677 hr = PushToWindow(lpcmi->hwnd,
|
|
|
678 lpcmi->lpDirectory,
|
|
|
679 lpcmi->lpVerb,
|
|
|
680 lpcmi->lpParameters,
|
|
|
681 lpcmi->nShow,
|
|
|
682 idCmd - m_edit_existing_off);
|
|
|
683 }
|
|
|
684 else
|
|
|
685 {
|
|
|
686 switch (idCmd)
|
|
|
687 {
|
|
|
688 case 0:
|
|
|
689 hr = InvokeGvim(lpcmi->hwnd,
|
|
|
690 lpcmi->lpDirectory,
|
|
|
691 lpcmi->lpVerb,
|
|
|
692 lpcmi->lpParameters,
|
|
|
693 lpcmi->nShow);
|
|
|
694 break;
|
|
|
695 case 1:
|
|
|
696 hr = InvokeSingleGvim(lpcmi->hwnd,
|
|
|
697 lpcmi->lpDirectory,
|
|
|
698 lpcmi->lpVerb,
|
|
|
699 lpcmi->lpParameters,
|
|
|
700 lpcmi->nShow,
|
|
|
701 0);
|
|
|
702 break;
|
|
|
703 case 2:
|
|
|
704 hr = InvokeSingleGvim(lpcmi->hwnd,
|
|
|
705 lpcmi->lpDirectory,
|
|
|
706 lpcmi->lpVerb,
|
|
|
707 lpcmi->lpParameters,
|
|
|
708 lpcmi->nShow,
|
|
|
709 1);
|
|
|
710 break;
|
|
|
711 }
|
|
|
712 }
|
|
|
713 }
|
|
|
714 return hr;
|
|
|
715 }
|
|
|
716
|
|
|
717 STDMETHODIMP CShellExt::PushToWindow(HWND hParent,
|
|
|
718 LPCSTR pszWorkingDir,
|
|
|
719 LPCSTR pszCmd,
|
|
|
720 LPCSTR pszParam,
|
|
|
721 int iShowCmd,
|
|
|
722 int idHWnd)
|
|
|
723 {
|
|
|
724 HWND hWnd = m_hWnd[idHWnd];
|
|
|
725
|
|
|
726 // Show and bring vim instance to foreground
|
|
|
727 if (IsIconic(hWnd) != 0)
|
|
|
728 ShowWindow(hWnd, SW_RESTORE);
|
|
|
729 else
|
|
|
730 ShowWindow(hWnd, SW_SHOW);
|
|
|
731 SetForegroundWindow(hWnd);
|
|
|
732
|
|
|
733 // Post the selected files to the vim instance
|
|
|
734 PostMessage(hWnd, WM_DROPFILES, (WPARAM)medium.hGlobal, 0);
|
|
|
735
|
|
|
736 return NOERROR;
|
|
|
737 }
|
|
|
738
|
|
|
739 STDMETHODIMP CShellExt::GetCommandString(UINT idCmd,
|
|
|
740 UINT uFlags,
|
|
|
741 UINT FAR *reserved,
|
|
|
742 LPSTR pszName,
|
|
|
743 UINT cchMax)
|
|
|
744 {
|
|
|
745 if (uFlags == GCS_HELPTEXT && cchMax > 35)
|
|
|
746 lstrcpy(pszName, _("Edits the selected file(s) with Vim"));
|
|
|
747
|
|
|
748 return NOERROR;
|
|
|
749 }
|
|
|
750
|
|
|
751 BOOL CALLBACK CShellExt::EnumWindowsProc(HWND hWnd, LPARAM lParam)
|
|
|
752 {
|
|
|
753 char temp[MAX_PATH];
|
|
|
754
|
|
|
755 // First do a bunch of check
|
|
|
756 // No invisible window
|
|
|
757 if (!IsWindowVisible(hWnd)) return TRUE;
|
|
|
758 // No child window ???
|
|
|
759 // if (GetParent(hWnd)) return TRUE;
|
|
|
760 // Class name should be Vim, if failed to get class name, return
|
|
|
761 if (GetClassName(hWnd, temp, sizeof(temp)) == 0)
|
|
|
762 return TRUE;
|
|
|
763 // Compare class name to that of vim, if not, return
|
|
|
764 if (_strnicmp(temp, "vim", sizeof("vim")) != 0)
|
|
|
765 return TRUE;
|
|
|
766 // First check if the number of vim instance exceeds MAX_HWND
|
|
|
767 CShellExt *cs = (CShellExt*) lParam;
|
|
|
768 if (cs->m_cntOfHWnd >= MAX_HWND) return TRUE;
|
|
|
769 // Now we get the vim window, put it into some kind of array
|
|
|
770 cs->m_hWnd[cs->m_cntOfHWnd] = hWnd;
|
|
|
771 cs->m_cntOfHWnd ++;
|
|
|
772
|
|
|
773 return TRUE; // continue enumeration (otherwise this would be false)
|
|
|
774 }
|
|
|
775
|
|
|
776 #ifdef WIN32
|
|
|
777 // This symbol is not defined in older versions of the SDK or Visual C++.
|
|
|
778
|
|
|
779 #ifndef VER_PLATFORM_WIN32_WINDOWS
|
|
|
780 # define VER_PLATFORM_WIN32_WINDOWS 1
|
|
|
781 #endif
|
|
|
782
|
|
|
783 static DWORD g_PlatformId;
|
|
|
784
|
|
|
785 //
|
|
|
786 // Set g_PlatformId to VER_PLATFORM_WIN32_NT (NT) or
|
|
|
787 // VER_PLATFORM_WIN32_WINDOWS (Win95).
|
|
|
788 //
|
|
|
789 static void
|
|
|
790 PlatformId(void)
|
|
|
791 {
|
|
|
792 static int done = FALSE;
|
|
|
793
|
|
|
794 if (!done)
|
|
|
795 {
|
|
|
796 OSVERSIONINFO ovi;
|
|
|
797
|
|
|
798 ovi.dwOSVersionInfoSize = sizeof(ovi);
|
|
|
799 GetVersionEx(&ovi);
|
|
|
800
|
|
|
801 g_PlatformId = ovi.dwPlatformId;
|
|
|
802 done = TRUE;
|
|
|
803 }
|
|
|
804 }
|
|
|
805
|
|
|
806 # ifndef __BORLANDC__
|
|
|
807 static char *
|
|
|
808 searchpath(char *name)
|
|
|
809 {
|
|
|
810 static char widename[2 * MAX_PATH];
|
|
|
811 static char location[2 * MAX_PATH + 2];
|
|
|
812
|
|
|
813 // There appears to be a bug in FindExecutableA() on Windows NT.
|
|
|
814 // Use FindExecutableW() instead...
|
|
|
815 PlatformId();
|
|
|
816 if (g_PlatformId == VER_PLATFORM_WIN32_NT)
|
|
|
817 {
|
|
|
818 MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)name, -1,
|
|
|
819 (LPWSTR)widename, MAX_PATH);
|
|
|
820 if (FindExecutableW((LPCWSTR)widename, (LPCWSTR)"",
|
|
|
821 (LPWSTR)location) > (HINSTANCE)32)
|
|
|
822 {
|
|
|
823 WideCharToMultiByte(CP_ACP, 0, (LPWSTR)location, -1,
|
|
|
824 (LPSTR)widename, 2 * MAX_PATH, NULL, NULL);
|
|
|
825 return widename;
|
|
|
826 }
|
|
|
827 }
|
|
|
828 else
|
|
|
829 {
|
|
|
830 if (FindExecutableA((LPCTSTR)name, (LPCTSTR)"",
|
|
|
831 (LPTSTR)location) > (HINSTANCE)32)
|
|
|
832 return location;
|
|
|
833 }
|
|
|
834 return "";
|
|
|
835 }
|
|
|
836 # endif
|
|
|
837 #endif
|
|
|
838
|
|
|
839 STDMETHODIMP CShellExt::InvokeGvim(HWND hParent,
|
|
|
840 LPCSTR pszWorkingDir,
|
|
|
841 LPCSTR pszCmd,
|
|
|
842 LPCSTR pszParam,
|
|
|
843 int iShowCmd)
|
|
|
844 {
|
|
|
845 char m_szFileUserClickedOn[MAX_PATH];
|
|
|
846 char cmdStr[MAX_PATH];
|
|
|
847 UINT i;
|
|
|
848
|
|
|
849 for (i = 0; i < cbFiles; i++)
|
|
|
850 {
|
|
|
851 DragQueryFile((HDROP)medium.hGlobal,
|
|
|
852 i,
|
|
|
853 m_szFileUserClickedOn,
|
|
|
854 sizeof(m_szFileUserClickedOn));
|
|
|
855
|
|
|
856 getGvimName(cmdStr, 0);
|
|
|
857 strcat(cmdStr, " \"");
|
|
|
858
|
|
|
859 if ((strlen(cmdStr) + strlen(m_szFileUserClickedOn) + 2) < MAX_PATH)
|
|
|
860 {
|
|
|
861 strcat(cmdStr, m_szFileUserClickedOn);
|
|
|
862 strcat(cmdStr, "\"");
|
|
|
863
|
|
|
864 STARTUPINFO si;
|
|
|
865 PROCESS_INFORMATION pi;
|
|
|
866
|
|
|
867 ZeroMemory(&si, sizeof(si));
|
|
|
868 si.cb = sizeof(si);
|
|
|
869
|
|
|
870 // Start the child process.
|
|
|
871 if (!CreateProcess(NULL, // No module name (use command line).
|
|
|
872 cmdStr, // Command line.
|
|
|
873 NULL, // Process handle not inheritable.
|
|
|
874 NULL, // Thread handle not inheritable.
|
|
|
875 FALSE, // Set handle inheritance to FALSE.
|
|
|
876 0, // No creation flags.
|
|
|
877 NULL, // Use parent's environment block.
|
|
|
878 NULL, // Use parent's starting directory.
|
|
|
879 &si, // Pointer to STARTUPINFO structure.
|
|
|
880 &pi) // Pointer to PROCESS_INFORMATION structure.
|
|
|
881 )
|
|
|
882 {
|
|
|
883 MessageBox(
|
|
|
884 hParent,
|
|
|
885 _("Error creating process: Check if gvim is in your path!"),
|
|
|
886 _("gvimext.dll error"),
|
|
|
887 MB_OK);
|
|
|
888 }
|
|
|
889 else
|
|
|
890 {
|
|
|
891 CloseHandle( pi.hProcess );
|
|
|
892 CloseHandle( pi.hThread );
|
|
|
893 }
|
|
|
894 }
|
|
|
895 else
|
|
|
896 {
|
|
|
897 MessageBox(
|
|
|
898 hParent,
|
|
|
899 _("Path length too long!"),
|
|
|
900 _("gvimext.dll error"),
|
|
|
901 MB_OK);
|
|
|
902 }
|
|
|
903 }
|
|
|
904
|
|
|
905 return NOERROR;
|
|
|
906 }
|
|
|
907
|
|
|
908
|
|
|
909 STDMETHODIMP CShellExt::InvokeSingleGvim(HWND hParent,
|
|
|
910 LPCSTR pszWorkingDir,
|
|
|
911 LPCSTR pszCmd,
|
|
|
912 LPCSTR pszParam,
|
|
|
913 int iShowCmd,
|
|
|
914 int useDiff)
|
|
|
915 {
|
|
|
916 char m_szFileUserClickedOn[MAX_PATH];
|
|
|
917 char *cmdStr;
|
|
|
918 size_t cmdlen;
|
|
|
919 size_t len;
|
|
|
920 UINT i;
|
|
|
921
|
|
|
922 cmdlen = MAX_PATH;
|
|
|
923 cmdStr = (char *)malloc(cmdlen);
|
|
|
924 getGvimName(cmdStr, 0);
|
|
|
925 if (useDiff)
|
|
|
926 strcat(cmdStr, " -d");
|
|
|
927 for (i = 0; i < cbFiles; i++)
|
|
|
928 {
|
|
|
929 DragQueryFile((HDROP)medium.hGlobal,
|
|
|
930 i,
|
|
|
931 m_szFileUserClickedOn,
|
|
|
932 sizeof(m_szFileUserClickedOn));
|
|
|
933
|
|
|
934 len = strlen(cmdStr) + strlen(m_szFileUserClickedOn) + 4;
|
|
|
935 if (len > cmdlen)
|
|
|
936 {
|
|
|
937 cmdlen = len + MAX_PATH;
|
|
|
938 cmdStr = (char *)realloc(cmdStr, cmdlen);
|
|
|
939 }
|
|
|
940 strcat(cmdStr, " \"");
|
|
|
941 strcat(cmdStr, m_szFileUserClickedOn);
|
|
|
942 strcat(cmdStr, "\"");
|
|
|
943 }
|
|
|
944
|
|
|
945 STARTUPINFO si;
|
|
|
946 PROCESS_INFORMATION pi;
|
|
|
947
|
|
|
948 ZeroMemory(&si, sizeof(si));
|
|
|
949 si.cb = sizeof(si);
|
|
|
950
|
|
|
951 // Start the child process.
|
|
|
952 if (!CreateProcess(NULL, // No module name (use command line).
|
|
|
953 cmdStr, // Command line.
|
|
|
954 NULL, // Process handle not inheritable.
|
|
|
955 NULL, // Thread handle not inheritable.
|
|
|
956 FALSE, // Set handle inheritance to FALSE.
|
|
|
957 0, // No creation flags.
|
|
|
958 NULL, // Use parent's environment block.
|
|
|
959 NULL, // Use parent's starting directory.
|
|
|
960 &si, // Pointer to STARTUPINFO structure.
|
|
|
961 &pi) // Pointer to PROCESS_INFORMATION structure.
|
|
|
962 )
|
|
|
963 {
|
|
|
964 MessageBox(
|
|
|
965 hParent,
|
|
|
966 _("Error creating process: Check if gvim is in your path!"),
|
|
|
967 _("gvimext.dll error"),
|
|
|
968 MB_OK);
|
|
|
969 }
|
|
|
970 else
|
|
|
971 {
|
|
|
972 CloseHandle(pi.hProcess);
|
|
|
973 CloseHandle(pi.hThread);
|
|
|
974 }
|
|
|
975
|
|
|
976 free(cmdStr);
|
|
|
977
|
|
|
978 return NOERROR;
|
|
|
979 }
|
