1 |
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2 | /***********************************************************************
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3 |
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4 | $Id: droplist.c 1018 2008-05-26 19:34:56Z gyoung $
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5 |
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6 | Drop support
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7 |
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8 | Copyright (c) 1993-98 M. Kimes
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9 | Copyright (c) 2003, 2007 Steven H.Levine
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10 |
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11 | 22 Nov 02 SHL Baseline
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12 | 08 Feb 03 SHL DropHelp: calc EA size consistently
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13 | 21 Jul 06 SHL Drop dup code
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14 | 22 Jul 06 SHL Check more run time errors
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15 | 06 Apr 07 GKY Work around PM DragInfo and DrgFreeDISH limits
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16 | 06 Apr 07 GKY Add some error checking in drag/drop
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17 | 19 Apr 07 SHL Use FreeDragInfoData
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18 | 19 Apr 07 SHL Add more drag/drop error checking
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19 | 21 Apr 07 SHL Add debug code to track down reason for PMERR_SOURCE_SAME_AS_TARGET
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20 | 10 Jun 07 GKY Add CheckPmDrgLimit including IsFm2Window as part of work around PM drag limit
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21 | 02 Aug 07 SHL Lock in DoFileDrop sanity checks
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22 | 20 Aug 07 GKY Move #pragma alloc_text to end for OpenWatcom compat
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23 |
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24 | ***********************************************************************/
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25 |
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26 | #include <string.h>
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27 |
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28 | #define INCL_DOS
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29 | #define INCL_WIN
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30 | #define INCL_LONGLONG
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31 |
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32 | #include "fm3str.h"
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33 | #include "errutil.h" // Dos_Error...
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34 | #include "strutil.h" // GetPString
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35 | #include "fm3dll.h"
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36 |
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37 | #include "fortify.h"
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38 |
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39 | static PSZ pszSrcFile = __FILE__;
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40 |
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41 | static ULONG GetDropCount(HWND hwnd, MPARAM mp1);
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42 |
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43 | BOOL CheckPmDrgLimit(PDRAGINFO pDInfo)
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44 | {
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45 | /*
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46 | * Checks for FM2 source window then checks window words
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47 | * for ulItemsToUnHilite and if it is not zero displays a
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48 | * message to the users that not all items are being dragged
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49 | * returns TRUE on success
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50 | */
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51 | if (!DrgAccessDraginfo(pDInfo)) {
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52 | Win_Error(HWND_DESKTOP, HWND_DESKTOP, pszSrcFile, __LINE__,
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53 | "DrgAccessDraginfo");
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54 | return FALSE;
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55 | }
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56 | else if (IsFm2Window(pDInfo->hwndSource, FALSE)) {
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57 | DIRCNRDATA *dcdsrc = INSTDATA(pDInfo->hwndSource);
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58 | if (dcdsrc->ulItemsToUnHilite) {
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59 | saymsg(MB_OK | MB_INFORMATION,
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60 | HWND_DESKTOP,
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61 | GetPString(IDS_ERRORTEXT),
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62 | GetPString(IDS_EXCEEDPMDRGLMT));
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63 | }
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64 | DrgFreeDraginfo(pDInfo);
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65 | }
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66 | return TRUE;
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67 | }
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68 |
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69 | BOOL TwoDrgNames(PDRAGITEM pDItem, CHAR * buffer1, ULONG buflen1,
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70 | char *buffer2, ULONG buflen2)
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71 | {
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72 | /*
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73 | * Gets archive name from directory field, file name from file field
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74 | * Returns FALSE on error, TRUE on success.
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75 | */
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76 |
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77 | register ULONG len;
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78 | BOOL ret = FALSE;
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79 |
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80 | if (pDItem && buffer2 && buflen2) { /* else error calling function */
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81 | if (buffer1 && buflen1) /* zero buffers */
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82 | *buffer1 = 0;
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83 | *buffer2 = 0;
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84 |
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85 | if (buffer1 && buflen1) {
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86 | len = DrgQueryStrName(pDItem->hstrContainerName, buflen1, buffer1);
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87 | buffer1[len] = 0;
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88 | if (len) { /* be sure we get full pathname of arc file */
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89 |
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90 | char szTemp[CCHMAXPATH + 2];
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91 |
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92 | if (!DosQueryPathInfo(buffer1,
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93 | FIL_QUERYFULLNAME, szTemp, sizeof(szTemp))) {
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94 | strncpy(buffer1, szTemp, buflen1);
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95 | buffer1[buflen1 - 1] = 0;
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96 | }
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97 | }
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98 | { /* be sure that file/directory is accessible */
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99 | FILESTATUS3 fsa3;
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100 |
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101 | DosError(FERR_DISABLEHARDERR);
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102 | if (DosQueryPathInfo(buffer1,
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103 | FIL_STANDARD,
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104 | &fsa3,
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105 | sizeof(fsa3)) ||
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106 | fsa3.attrFile & FILE_DIRECTORY) {
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107 | *buffer1 = 0;
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108 | return ret;
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109 | }
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110 | }
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111 | }
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112 |
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113 | len = DrgQueryStrName(pDItem->hstrSourceName, buflen2, buffer2);
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114 | buffer2[len] = 0;
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115 | if (len)
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116 | ret = TRUE;
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117 | }
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118 | return ret;
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119 | }
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120 |
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121 | BOOL FullDrgName(PDRAGITEM pDItem, CHAR * buffer, ULONG buflen)
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122 | {
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123 | /*
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124 | * Gets full name of file from a dragged item.
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125 | * Returns FALSE on error, TRUE on success.
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126 | */
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127 |
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128 | ULONG len, blen;
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129 | BOOL ret = FALSE;
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130 | APIRET rc;
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131 | FILESTATUS3 fsa3;
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132 |
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133 | if (pDItem && buffer && buflen) { /* else error calling function */
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134 | *buffer = 0; /* zero buffer */
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135 |
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136 | blen = DrgQueryStrName(pDItem->hstrContainerName, buflen, buffer);
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137 | if(!blen)
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138 | Win_Error(HWND_DESKTOP, HWND_DESKTOP, pszSrcFile, __LINE__,
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139 | "DrgQueryStrName");
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140 | else {
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141 | if (*(buffer + (blen - 1)) != '\\') {
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142 | *(buffer + blen) = '\\';
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143 | blen++;
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144 | }
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145 | }
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146 | buffer[blen] = 0;
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147 | len = DrgQueryStrName(pDItem->hstrSourceName,
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148 | buflen - blen, buffer + blen);
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149 | if(!len) {
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150 | // DbgMsg(pszSrcFile, __LINE__, "0x%x %d %d", pDItem->hstrSourceName,
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151 | // buflen - blen, buffer + blen);
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152 | // Win_Error(HWND_DESKTOP, HWND_DESKTOP, pszSrcFile, __LINE__,
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153 | // "DrgQueryStrName");
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154 | }
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155 | buffer[blen + len] = 0;
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156 | { /* be sure we get full pathname of file/directory */
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157 | char szTemp[CCHMAXPATH + 2];
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158 | rc = DosQueryPathInfo(buffer,
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159 | FIL_QUERYFULLNAME, szTemp, sizeof(szTemp));
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160 | if (!rc) {
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161 | strncpy(buffer, szTemp, buflen);
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162 | buffer[buflen - 1] = 0;
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163 | }
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164 | else
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165 | Dos_Error(MB_CANCEL, rc, HWND_DESKTOP, pszSrcFile, __LINE__,
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166 | "DosQueryPathInfo");
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167 | }
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168 |
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169 | rc = DosQueryPathInfo(buffer, FIL_STANDARD, &fsa3, sizeof(fsa3));
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170 | if (!rc)
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171 | ret = TRUE;
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172 | else {
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173 | Dos_Error(MB_CANCEL, rc, HWND_DESKTOP, pszSrcFile, __LINE__,
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174 | "DosQueryPathInfo");
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175 | *buffer = 0;
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176 | }
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177 | }
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178 | return ret;
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179 | }
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180 |
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181 | BOOL GetOneDrop(HWND hwnd, MPARAM mp1, MPARAM mp2, char *buffer, ULONG buflen)
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182 | {
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183 | PDRAGITEM pDItem; /* DRAGITEM struct ptr */
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184 | PDRAGINFO pDInfo; /* DRAGINFO struct ptr */
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185 | ULONG numitems;
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186 | register ULONG curitem;
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187 | BOOL ret = FALSE;
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188 |
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189 | if (buffer && buflen)
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190 | *buffer = 0; /* zero buffer field */
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191 |
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192 | pDInfo = (PDRAGINFO) mp1; /* Get DRAGINFO pointer */
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193 | if (pDInfo) {
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194 | if (!DrgAccessDraginfo(pDInfo)) {
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195 | Win_Error(HWND_DESKTOP, HWND_DESKTOP, pszSrcFile, __LINE__,
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196 | "DrgAccessDraginfo");
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197 | }
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198 | else {
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199 | numitems = DrgQueryDragitemCount(pDInfo);
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200 | pDItem = DrgQueryDragitemPtr(pDInfo,0);
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201 | if (buflen && buffer) {
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202 | if (DrgVerifyRMF(pDItem, /* Check valid rendering */
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203 | DRM_OS2FILE, /* mechanisms and data */
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204 | NULL) && !(pDItem->fsControl & DC_PREPARE))
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205 | ret = FullDrgName(pDItem, buffer, buflen);
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206 | }
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207 | // Return targetfail to source for all items - fixme to know why
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208 | for (curitem = 0; curitem < numitems; curitem++) {
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209 | pDItem = DrgQueryDragitemPtr(pDInfo,curitem);
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210 | DrgSendTransferMsg(pDInfo->hwndSource, DM_ENDCONVERSATION,
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211 | MPFROMLONG(pDItem->ulItemID),
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212 | MPFROMLONG(DMFL_TARGETFAIL));
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213 | }
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214 | FreeDragInfoData(hwnd, pDInfo);
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215 | }
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216 | }
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217 |
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218 | return ret;
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219 | }
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220 |
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221 | BOOL AcceptOneDrop(HWND hwnd, MPARAM mp1, MPARAM mp2)
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222 | {
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223 | PDRAGITEM pDItem; /* Pointer to DRAGITEM */
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224 | PDRAGINFO pDInfo; /* Pointer to DRAGINFO */
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225 | BOOL ret = FALSE;
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226 |
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227 | pDInfo = (PDRAGINFO) mp1; /* Get DRAGINFO pointer */
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228 | if (pDInfo) {
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229 | if (!DrgAccessDraginfo(pDInfo)) {
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230 | Win_Error(HWND_DESKTOP, HWND_DESKTOP, pszSrcFile, __LINE__,
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231 | "DrgAccessDraginfo");
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232 | }
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233 | else {
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234 | pDItem = DrgQueryDragitemPtr(pDInfo, 0);
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235 |
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236 | /* Check valid rendering mechanisms and data formats */
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237 | if (DrgVerifyRMF(pDItem, DRM_OS2FILE, NULL))
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238 | ret = TRUE;
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239 |
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240 | // FreeDragInfoData(hwnd, pDInfo); // 20 Apr 07 SHL
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241 | DrgFreeDraginfo(pDInfo);
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242 | }
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243 | }
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244 | return ret;
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245 | }
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246 |
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247 | static ULONG GetDropCount(HWND hwnd, MPARAM mp1)
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248 | {
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249 | PDRAGINFO pDInfo;
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250 | ULONG numitems;
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251 |
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252 | pDInfo = mp1;
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253 | if (pDInfo) {
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254 | if (!DrgAccessDraginfo(pDInfo)) {
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255 | Win_Error(HWND_DESKTOP, HWND_DESKTOP, pszSrcFile, __LINE__,
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256 | "DrgAccessDraginfo");
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257 | numitems = 0; // Oh well
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258 | }
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259 | else {
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260 | numitems = DrgQueryDragitemCount(pDInfo);
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261 | FreeDragInfoData(hwnd, pDInfo);
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262 | }
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263 | }
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264 | return numitems;
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265 | }
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266 |
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267 | void DropHelp(MPARAM mp1, MPARAM mp2, HWND hwnd, char *text)
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268 | {
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269 | ULONG numitems;
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270 |
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271 | numitems = GetDropCount(hwnd, mp1);
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272 | saymsg(MB_ENTER | MB_ICONASTERISK,
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273 | hwnd, GetPString(IDS_FM2DROPHELPTEXT), text, numitems, numitems);
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274 | }
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275 |
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276 | LISTINFO *DoFileDrop(HWND hwndCnr, CHAR * directory, BOOL arcfilesok,
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277 | MPARAM mp1, MPARAM mp2)
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278 | {
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279 | /* builds a list from the dropped files */
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280 |
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281 | BOOL isArc = FALSE, arctest = FALSE;
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282 | PDRAGITEM pDItem;
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283 | PDRAGINFO pDInfo;
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284 | PCNRITEM pci;
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285 | CHAR szFrom[CCHMAXPATH + 1], szArc[CCHMAXPATH + 1];
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286 | CHAR **files = NULL;
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287 | UINT numfiles = 0, numalloc = 0;
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288 | ULONG curitem, numitems;
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289 | PULONGLONG pcbFile = NULL;
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290 | PULONG pulitemID = NULL;
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291 | LISTINFO *li = NULL;
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292 | ARC_TYPE *arcinfo = NULL;
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293 | USHORT Operation;
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294 |
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295 | UINT numok = 0; // 02 Aug 07 SHL fixme to be gone someday
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296 | UINT numfail = 0;
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297 |
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298 | *szArc = 0;
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299 | pci = (PCNRITEM) ((PCNRDRAGINFO) mp2)->pRecord;
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300 | pDInfo = ((PCNRDRAGINFO) mp2)->pDragInfo;
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301 | if (!pDInfo) {
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302 | Runtime_Error(pszSrcFile, __LINE__, "No drag info");
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303 | return NULL;
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304 | }
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305 | if (!DrgAccessDraginfo(pDInfo)) {
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306 | Win_Error(HWND_DESKTOP, HWND_DESKTOP, pszSrcFile, __LINE__,
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307 | "DrgAccessDraginfo");
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308 | numitems = 0; // Avoid death
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309 | }
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310 | else {
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311 | numitems = DrgQueryDragitemCount(pDInfo);
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312 | Operation = pDInfo->usOperation;
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313 | pDItem = DrgQueryDragitemPtr(pDInfo, 0);
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314 | if (!pDItem) {
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315 | Win_Error(HWND_DESKTOP, HWND_DESKTOP, pszSrcFile, __LINE__,
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316 | "DrgQueryDragitemPtr");
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317 | }
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318 | else {
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319 | if (Operation == DO_MOVE && !(pDItem->fsSupportedOps & DO_MOVEABLE)) {
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320 | saymsg(MB_ENTER, HWND_DESKTOP, GetPString(IDS_WARNINGTEXT),
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321 | GetPString(IDS_FORCINGCOPYTEXT));
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322 | Operation = DO_COPY;
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323 | }
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324 | }
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325 | }
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326 |
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327 | for (curitem = 0; curitem < numitems; curitem++) {
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328 | pDItem = DrgQueryDragitemPtr(pDInfo, curitem);
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329 | if (!pDItem) {
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330 | Win_Error(hwndCnr, hwndCnr, pszSrcFile, __LINE__,
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331 | "DrgQueryDragitemPtr(%u)", curitem);
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332 | break;
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333 | }
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334 |
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335 | /* ambiguous drop request -- see what's allowed */
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336 | if (Operation == DO_DEFAULT || Operation >= DO_UNKNOWN) {
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337 | if (pDItem->fsSupportedOps & DO_COPYABLE)
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338 | Operation = DO_COPY;
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339 | else if (pDItem->fsSupportedOps & DO_MOVEABLE)
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340 | Operation = DO_MOVE;
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341 | else if (pDItem->fsSupportedOps & DO_LINKABLE)
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342 | Operation = DO_LINK;
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343 | }
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344 | else {
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345 | /* ignore object if selected command not allowed for it */
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346 | BOOL ok;
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347 | switch (Operation) {
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348 | case DO_MOVE:
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349 | ok = pDItem->fsSupportedOps & DO_MOVEABLE;
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350 | break;
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351 | case DO_COPY:
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352 | ok = pDItem->fsSupportedOps & DO_COPYABLE;
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353 | break;
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354 | case DO_LINK:
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355 | ok = pDItem->fsSupportedOps & DO_LINKABLE;
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356 | break;
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357 | default:
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358 | ok = FALSE;
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359 | }
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360 | if (!ok) {
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361 | // Fail request
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362 | DrgSendTransferMsg(pDItem->hwndItem,
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363 | DM_ENDCONVERSATION,
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364 | MPFROMLONG(pDItem->ulItemID),
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365 | MPFROMLONG(DMFL_TARGETFAIL));
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366 | numfail++;
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367 | continue;
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368 | }
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369 | }
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370 |
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371 | if (DrgVerifyRMF(pDItem,
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372 | DRM_OS2FILE,
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373 | NULL) ||
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374 | (arcfilesok &&
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375 | ((arctest = DrgVerifyRMF(pDItem,
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376 | DRM_FM2ARCMEMBER,
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377 | DRF_FM2ARCHIVE)) != FALSE))) {
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378 | if (pDItem->fsControl & DC_PREPARE) {
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379 | DrgSendTransferMsg(pDItem->hwndItem,
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380 | DM_ENDCONVERSATION,
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381 | MPFROMLONG(pDItem->ulItemID),
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382 | MPFROMLONG(DMFL_TARGETFAIL));
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383 | numfail++;
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384 | continue;
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385 | }
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386 |
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387 | if (arctest || isArc) {
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388 | if (!isArc) {
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389 | if (TwoDrgNames(pDItem,
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390 | szArc,
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391 | sizeof(szArc),
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392 | szFrom, sizeof(szFrom)) && *szArc && *szFrom) {
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393 | isArc = TRUE;
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394 | arcinfo = find_type(szArc, arcsighead);
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395 | }
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396 | if (!arcinfo || !arcinfo->extract || !*arcinfo->extract) {
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397 | *szArc = *szFrom = 0;
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398 | isArc = FALSE;
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399 | }
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400 | }
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401 | else
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402 | TwoDrgNames(pDItem, NULL, 0, szFrom, sizeof(szFrom));
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403 | }
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404 | else
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405 | FullDrgName(pDItem, szFrom, sizeof(szFrom));
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406 |
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407 | if (!*szFrom) {
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408 | DrgSendTransferMsg(pDItem->hwndItem,
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409 | DM_ENDCONVERSATION,
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410 | MPFROMLONG(pDItem->ulItemID),
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411 | MPFROMLONG(DMFL_TARGETFAIL));
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412 | numfail++;
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413 | continue;
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414 | }
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415 |
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416 | if (numfiles + 2 > numalloc) {
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417 |
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418 | CHAR **test;
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419 | PULONG pltest;
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420 | PULONGLONG plltest;
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421 |
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422 | numalloc += 12;
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423 | test =
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424 | xrealloc(files, numalloc * sizeof(CHAR *), pszSrcFile, __LINE__);
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425 | if (!test)
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426 | break;
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427 | files = test;
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428 | plltest =
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429 | xrealloc(pcbFile, numalloc * sizeof(ULONGLONG), pszSrcFile, __LINE__);
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430 | if (!plltest)
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431 | break;
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432 | pcbFile = plltest;
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433 | pltest =
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434 | xrealloc(pulitemID, numalloc * sizeof(ULONG), pszSrcFile, __LINE__);
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435 | if (!pltest)
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436 | break;
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437 | pulitemID = pltest;
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438 | }
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439 | pcbFile[numfiles] = 0;
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440 | if (!isArc) {
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441 |
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442 | FILESTATUS4L fsa4;
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443 |
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444 | if (!DosQueryPathInfo(szFrom, FIL_QUERYEASIZEL, &fsa4, sizeof(fsa4)))
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445 | pcbFile[numfiles] = fsa4.cbFile + CBLIST_TO_EASIZE(fsa4.cbList);
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446 | }
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447 | pulitemID[numfiles] = pDItem->ulItemID;
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448 | files[numfiles] = xstrdup(szFrom, pszSrcFile, __LINE__);
|
---|
449 | files[numfiles + 1] = NULL;
|
---|
450 | if (!files[numfiles])
|
---|
451 | break;
|
---|
452 | numfiles++;
|
---|
453 | DrgSendTransferMsg(pDItem->hwndItem,
|
---|
454 | DM_ENDCONVERSATION,
|
---|
455 | MPFROMLONG(pDItem->ulItemID),
|
---|
456 | MPFROMLONG(DMFL_TARGETSUCCESSFUL));
|
---|
457 | numok++;
|
---|
458 | }
|
---|
459 | else {
|
---|
460 | DrgSendTransferMsg(pDItem->hwndItem,
|
---|
461 | DM_ENDCONVERSATION,
|
---|
462 | MPFROMLONG(pDItem->ulItemID),
|
---|
463 | MPFROMLONG(DMFL_TARGETFAIL));
|
---|
464 | numfail++;
|
---|
465 | }
|
---|
466 | } // for curitem
|
---|
467 |
|
---|
468 | if (files && numfiles && files[0] && pcbFile && pulitemID) {
|
---|
469 | # ifdef FORTIFY
|
---|
470 | Fortify_EnterScope();
|
---|
471 | # endif
|
---|
472 | li = xmallocz(sizeof(LISTINFO), pszSrcFile, __LINE__);
|
---|
473 | if (li) {
|
---|
474 | li->type = Operation;
|
---|
475 | li->hwnd = hwndCnr;
|
---|
476 | li->list = files;
|
---|
477 | li->cbFile = pcbFile;
|
---|
478 | li->ulitemID = pulitemID;
|
---|
479 | li->hwndS = pDInfo->hwndSource;
|
---|
480 | if (!pci && directory)
|
---|
481 | strcpy(li->targetpath, directory);
|
---|
482 | else if (pci)
|
---|
483 | strcpy(li->targetpath, pci->pszFileName);
|
---|
484 | if (isArc) {
|
---|
485 | strcpy(li->arcname, szArc);
|
---|
486 | li->info = arcinfo;
|
---|
487 | }
|
---|
488 | SortList(li);
|
---|
489 | }
|
---|
490 | else {
|
---|
491 | xfree(pcbFile, pszSrcFile, __LINE__);
|
---|
492 | xfree(pulitemID, pszSrcFile, __LINE__);
|
---|
493 | if (files)
|
---|
494 | FreeList(files);
|
---|
495 | }
|
---|
496 | }
|
---|
497 | else {
|
---|
498 | xfree(pcbFile, pszSrcFile, __LINE__);
|
---|
499 | xfree(pulitemID, pszSrcFile, __LINE__);
|
---|
500 | if (files)
|
---|
501 | FreeList(files);
|
---|
502 | }
|
---|
503 |
|
---|
504 | FreeDragInfoData(hwndCnr, pDInfo);
|
---|
505 |
|
---|
506 | // 02 Aug 07 SHL fixme to be gone someday or use Runtime_Error if really an error
|
---|
507 | if (numfail || numok == 0)
|
---|
508 | DbgMsg(pszSrcFile, __LINE__, "calling FreeDragInfoData with %u ok, %u failed", numok, numfail);
|
---|
509 |
|
---|
510 | return li;
|
---|
511 | }
|
---|
512 |
|
---|
513 | #pragma alloc_text(DROPLIST,DoFileDrop,FullDrgName,TwoDrgNames,GetOneDrop,CheckPmDrgLimit)
|
---|