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442
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1 /* Utility routines for XEmacs on Windows 9x, NT and Cygwin.
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2 Copyright (C) 2000 Ben Wing.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to the Free
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18 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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19 02111-1307, USA. */
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20
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21 #include <config.h>
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22 #include "lisp.h"
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23
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24 #include "buffer.h"
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25 #include "syswindows.h"
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26
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27 typedef BOOL (WINAPI *pfSwitchToThread_t) (VOID);
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28 pfSwitchToThread_t xSwitchToThread;
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29
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30 typedef HKL (WINAPI *pfGetKeyboardLayout_t) (DWORD);
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31 pfGetKeyboardLayout_t xGetKeyboardLayout;
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32 typedef BOOL (WINAPI *pfSetMenuDefaultItem_t) (HMENU, UINT, UINT);
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33 pfSetMenuDefaultItem_t xSetMenuDefaultItem;
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34 typedef BOOL (WINAPI *pfInsertMenuItemA_t)
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35 (HMENU, UINT, BOOL, LPCMENUITEMINFOA);
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36 pfInsertMenuItemA_t xInsertMenuItemA;
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37 typedef BOOL (WINAPI *pfInsertMenuItemW_t)
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38 (HMENU, UINT, BOOL, LPCMENUITEMINFOW);
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39 pfInsertMenuItemW_t xInsertMenuItemW;
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40 typedef HANDLE (WINAPI *pfLoadImageA_t)
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41 (HINSTANCE, LPCSTR, UINT, int, int, UINT);
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42 pfLoadImageA_t xLoadImageA;
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43 typedef HANDLE (WINAPI *pfLoadImageW_t)
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44 (HINSTANCE, LPCWSTR, UINT, int, int, UINT);
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45 pfLoadImageW_t xLoadImageW;
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46 typedef ATOM (WINAPI *pfRegisterClassExA_t) (CONST WNDCLASSEXA *);
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47 pfRegisterClassExA_t xRegisterClassExA;
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48 typedef ATOM (WINAPI *pfRegisterClassExW_t) (CONST WNDCLASSEXW *);
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49 pfRegisterClassExW_t xRegisterClassExW;
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50
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51 typedef int (WINAPI *pfEnumFontFamiliesExA_t)
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52 (HDC, LPLOGFONTA, FONTENUMPROCA, LPARAM, DWORD);
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53 pfEnumFontFamiliesExA_t xEnumFontFamiliesExA;
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54 typedef int (WINAPI *pfEnumFontFamiliesExW_t)
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55 (HDC, LPLOGFONTW, FONTENUMPROCW, LPARAM, DWORD);
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56 pfEnumFontFamiliesExW_t xEnumFontFamiliesExW;
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57
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58 typedef DWORD (WINAPI *pfSHGetFileInfoA_t)
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59 (LPCSTR, DWORD, SHFILEINFOA FAR *, UINT, UINT);
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60 pfSHGetFileInfoA_t xSHGetFileInfoA;
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61 typedef DWORD (WINAPI *pfSHGetFileInfoW_t)
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62 (LPCWSTR, DWORD, SHFILEINFOW FAR *, UINT, UINT);
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63 pfSHGetFileInfoW_t xSHGetFileInfoW;
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64
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65 Lisp_Object
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66 tstr_to_local_file_format (Extbyte *pathout)
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67 {
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68 Bufbyte *ttlff;
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69 Lisp_Object in;
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70
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71 EXTERNAL_TO_C_STRING (pathout, ttlff, Qmswindows_tstr);
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72 WIN32_TO_LOCAL_FILE_FORMAT (ttlff, in);
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73
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74 return in;
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75 }
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76
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77 static void
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78 init_potentially_nonexistent_functions (void)
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79 {
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80 HMODULE h_kernel = GetModuleHandle ("kernel32");
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81 HMODULE h_user = GetModuleHandle ("user32");
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82 HMODULE h_gdi = GetModuleHandle ("gdi32");
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83 HMODULE h_shell = GetModuleHandle ("shell32");
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84
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85 if (h_kernel)
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86 {
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87 xSwitchToThread =
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88 (pfSwitchToThread_t) GetProcAddress (h_kernel, "SwitchToThread");
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89 }
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90
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91 if (h_user)
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92 {
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93 xGetKeyboardLayout =
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94 (pfGetKeyboardLayout_t) GetProcAddress (h_user, "GetKeyboardLayout");
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95 xSetMenuDefaultItem =
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96 (pfSetMenuDefaultItem_t) GetProcAddress (h_user, "SetMenuDefaultItem");
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97 xInsertMenuItemA =
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98 (pfInsertMenuItemA_t) GetProcAddress (h_user, "InsertMenuItemA");
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99 xInsertMenuItemW =
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100 (pfInsertMenuItemW_t) GetProcAddress (h_user, "InsertMenuItemW");
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101 xLoadImageA =
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102 (pfLoadImageA_t) GetProcAddress (h_user, "LoadImageA");
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103 xLoadImageW =
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104 (pfLoadImageW_t) GetProcAddress (h_user, "LoadImageW");
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105 xRegisterClassExA =
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106 (pfRegisterClassExA_t) GetProcAddress (h_user, "RegisterClassExA");
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107 xRegisterClassExW =
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108 (pfRegisterClassExW_t) GetProcAddress (h_user, "RegisterClassExW");
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109 }
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110
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111 if (h_gdi)
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112 {
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113 xEnumFontFamiliesExA =
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114 (pfEnumFontFamiliesExA_t) GetProcAddress (h_gdi, "EnumFontFamiliesExA");
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115 xEnumFontFamiliesExW =
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116 (pfEnumFontFamiliesExW_t) GetProcAddress (h_gdi, "EnumFontFamiliesExW");
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117 }
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118
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119 if (h_shell)
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120 {
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121 xSHGetFileInfoA =
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122 (pfSHGetFileInfoA_t) GetProcAddress (h_shell, "SHGetFileInfoA");
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123 xSHGetFileInfoW =
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124 (pfSHGetFileInfoW_t) GetProcAddress (h_shell, "SHGetFileInfoW");
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125 }
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126 }
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127
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128 DEFUN ("mswindows-shell-execute", Fmswindows_shell_execute, 2, 4, 0, /*
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129 Get Windows to perform OPERATION on DOCUMENT.
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130 This is a wrapper around the ShellExecute system function, which
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131 invokes the application registered to handle OPERATION for DOCUMENT.
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132 OPERATION is typically \"open\", \"print\" or \"explore\" (but can be
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133 nil for the default action), and DOCUMENT is typically the name of a
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134 document file or URL, but can also be a program executable to run or
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135 a directory to open in the Windows Explorer.
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136
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137 If DOCUMENT is a program executable, PARAMETERS can be a string
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138 containing command line parameters, but otherwise should be nil.
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139
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140 SHOW-FLAG can be used to control whether the invoked application is hidden
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141 or minimized. If SHOW-FLAG is nil, the application is displayed normally,
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142 otherwise it is an integer representing a ShowWindow flag:
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143
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144 0 - start hidden
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145 1 - start normally
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146 3 - start maximized
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147 6 - start minimized
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148 */
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149 (operation, document, parameters, show_flag))
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150 {
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151 /* Encode filename and current directory. */
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152 Lisp_Object current_dir = Ffile_name_directory (document);
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153 char* path = NULL;
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154 char* doc = NULL;
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155 Extbyte* f=0;
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156 int ret;
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157 struct gcpro gcpro1, gcpro2;
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158
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159 CHECK_STRING (document);
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160
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161 if (NILP (current_dir))
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162 current_dir = current_buffer->directory;
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163
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164 GCPRO2 (current_dir, document);
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165
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166 /* Use mule and cygwin-safe APIs top get at file data. */
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167 if (STRINGP (current_dir))
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168 {
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169 TO_EXTERNAL_FORMAT (LISP_STRING, current_dir,
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170 C_STRING_ALLOCA, f,
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171 Qfile_name);
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172 #ifdef CYGWIN
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173 CYGWIN_WIN32_PATH (f, path);
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174 #else
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175 path = f;
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176 #endif
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177 }
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178
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179 if (STRINGP (document))
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180 {
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181 TO_EXTERNAL_FORMAT (LISP_STRING, document,
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182 C_STRING_ALLOCA, f,
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183 Qfile_name);
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184 #ifdef CYGWIN
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185 CYGWIN_WIN32_PATH (f, doc);
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186 #else
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187 doc = f;
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188 #endif
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189 }
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190
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191 UNGCPRO;
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192
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193 ret = (int) ShellExecute (NULL,
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194 (STRINGP (operation) ?
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195 XSTRING_DATA (operation) : NULL),
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196 doc,
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197 (STRINGP (parameters) ?
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198 XSTRING_DATA (parameters) : NULL),
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199 path,
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200 (INTP (show_flag) ?
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201 XINT (show_flag) : SW_SHOWDEFAULT));
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202
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203 if (ret > 32)
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204 return Qt;
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205
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206 if (ret == ERROR_FILE_NOT_FOUND)
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207 signal_simple_error ("file not found", document);
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208 else if (ret == ERROR_PATH_NOT_FOUND)
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209 signal_simple_error ("path not found", current_dir);
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210 else if (ret == ERROR_BAD_FORMAT)
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211 signal_simple_error ("bad executable format", document);
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212 else
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213 error ("internal error");
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214
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215 return Qnil;
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216 }
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217
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218 void
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219 syms_of_win32 (void)
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220 {
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221 DEFSUBR (Fmswindows_shell_execute);
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222 }
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223
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224 void
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225 init_win32 (void)
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226 {
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227 init_potentially_nonexistent_functions ();
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228 }
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