Mercurial > dwindows
annotate win/XBrowseForFolder.cpp @ 2988:dfab2dfa9bc1
Check DW_FEATURE_HTML_MESSAGE to decide if the raw html widget
should have the javascript code or not. This prevents error popups
when clicking the "dwtest" text when using the IE HTML widget.
author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
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date | Tue, 04 Apr 2023 01:08:14 +0000 |
parents | 0e47ca67aab0 |
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rev | line source |
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1 // XBrowseForFolder.cpp Version 1.2 |
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2 // |
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3 // Author: Hans Dietrich |
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4 // hdietrich@gmail.com |
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5 // |
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6 // Description: |
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7 // XBrowseForFolder.cpp implements XBrowseForFolder(), a function that |
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8 // wraps SHBrowseForFolder(). |
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9 // |
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10 // History |
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11 // Version 1.2 - 2008 February 29 |
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12 // - Changed API to allow for initial CSIDL. |
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13 // - Added option to set dialog caption, suggested by SimpleDivX. |
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14 // - Added option to set root, suggested by Jean-Michel Reghem. |
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15 // |
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16 // Version 1.1 - 2003 September 29 (not released) |
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17 // - Added support for edit box |
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18 // |
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19 // Version 1.0 - 2003 September 25 |
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20 // - Initial public release |
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21 // |
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22 // License: |
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23 // This software is released into the public domain. You are free to use |
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24 // it in any way you like, except that you may not sell this source code. |
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25 // |
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26 // This software is provided "as is" with no expressed or implied warranty. |
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27 // I accept no liability for any damage or loss of business that this |
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28 // software may cause. |
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29 // |
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30 /////////////////////////////////////////////////////////////////////////////// |
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31 |
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32 /* Make sure we get the right version */ |
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33 #define _WIN32_IE 0x0500 |
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34 |
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35 /* Check that the compiler can support AEROGLASS */ |
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36 #if defined(_MSC_VER) && _MSC_VER < 1600 && defined(AEROGLASS) |
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37 #undef AEROGLASS |
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38 #endif |
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39 |
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40 #ifndef __AFX_H__ |
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41 #include <windows.h> |
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42 #include <tchar.h> |
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43 #endif |
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44 |
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45 #include <Shlobj.h> |
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46 #include <io.h> |
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47 #include "XBrowseForFolder.h" |
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48 |
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49 #ifndef __MINGW32__ |
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50 #pragma warning(disable: 4127) // conditional expression is constant (_ASSERTE) |
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51 #pragma warning(disable : 4996) // disable bogus deprecation warning |
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52 #endif |
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53 |
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54 /* MingW does not have this */ |
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55 #if !defined(BIF_NONEWFOLDERBUTTON) |
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56 # define BIF_NONEWFOLDERBUTTON 0x200 |
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57 #endif |
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58 |
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59 //============================================================================= |
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60 // struct to pass to callback function |
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61 //============================================================================= |
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62 struct FOLDER_PROPS |
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63 { |
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64 LPCTSTR lpszTitle; |
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65 LPCTSTR lpszInitialFolder; |
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66 UINT ulFlags; |
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67 }; |
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68 |
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69 #ifndef __AFX_H__ |
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70 |
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71 /////////////////////////////////////////////////////////////////////////////// |
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72 // CRect - a minimal CRect class |
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73 |
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74 class CRect : public tagRECT |
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75 { |
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76 public: |
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77 //CRect() { } |
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78 CRect(int l = 0, int t = 0, int r = 0, int b = 0) |
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79 { |
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80 left = l; |
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81 top = t; |
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82 right = r; |
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83 bottom = b; |
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84 } |
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85 int Width() const { return right - left; } |
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86 int Height() const { return bottom - top; } |
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87 void SwapLeftRight() { SwapLeftRight(LPRECT(this)); } |
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88 static void SwapLeftRight(LPRECT lpRect) { LONG temp = lpRect->left; |
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89 lpRect->left = lpRect->right; |
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90 lpRect->right = temp; } |
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91 operator LPRECT() { return this; } |
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92 }; |
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93 #endif |
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94 |
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95 /////////////////////////////////////////////////////////////////////////////// |
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96 // ScreenToClientX - helper function in case non-MFC |
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97 static void ScreenToClientX(HWND hWnd, LPRECT lpRect) |
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98 { |
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99 ::ScreenToClient(hWnd, (LPPOINT)lpRect); |
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100 ::ScreenToClient(hWnd, ((LPPOINT)lpRect)+1); |
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101 } |
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102 |
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103 /////////////////////////////////////////////////////////////////////////////// |
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104 // MoveWindowX - helper function in case non-MFC |
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105 static void MoveWindowX(HWND hWnd, CRect& rect, BOOL bRepaint) |
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106 { |
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107 ::MoveWindow(hWnd, rect.left, rect.top, |
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108 rect.Width(), rect.Height(), bRepaint); |
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109 } |
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110 |
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111 /////////////////////////////////////////////////////////////////////////////// |
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112 // SizeBrowseDialog - resize dialog, move controls |
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113 static void SizeBrowseDialog(HWND hWnd, FOLDER_PROPS *fp) |
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114 { |
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115 // find the folder tree and make dialog larger |
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116 HWND hwndTree = FindWindowEx(hWnd, NULL, TEXT("SysTreeView32"), NULL); |
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117 |
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118 if (!hwndTree) |
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119 { |
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120 // ... this usually means that BIF_NEWDIALOGSTYLE is enabled. |
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121 // Then the class name is as used in the code below. |
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122 hwndTree = FindWindowEx(hWnd, NULL, TEXT("SHBrowseForFolder ShellNameSpace Control"), NULL); |
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123 } |
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124 |
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125 CRect rectDlg; |
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126 |
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127 if (hwndTree) |
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128 { |
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129 // check if edit box |
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130 int nEditHeight = 0; |
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131 HWND hwndEdit = FindWindowEx(hWnd, NULL, TEXT("Edit"), NULL); |
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132 CRect rectEdit; |
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133 if (hwndEdit && (fp->ulFlags & BIF_EDITBOX)) |
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134 { |
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135 ::GetWindowRect(hwndEdit, &rectEdit); |
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136 ScreenToClientX(hWnd, &rectEdit); |
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137 nEditHeight = rectEdit.Height(); |
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138 } |
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139 else if (hwndEdit) |
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140 { |
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141 ::MoveWindow(hwndEdit, 20000, 20000, 10, 10, FALSE); |
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142 ::ShowWindow(hwndEdit, SW_HIDE); |
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143 hwndEdit = 0; |
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144 } |
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145 |
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146 // make the dialog larger |
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147 ::GetWindowRect(hWnd, &rectDlg); |
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148 rectDlg.right += 40; |
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149 rectDlg.bottom += 30; |
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150 if (hwndEdit) |
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151 rectDlg.bottom += nEditHeight + 5; |
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152 MoveWindowX(hWnd, rectDlg, TRUE); |
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153 ::GetClientRect(hWnd, &rectDlg); |
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154 |
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155 int hMargin = 10; |
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156 int vMargin = 10; |
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157 |
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158 // check if new dialog style - this means that there will be a resizing |
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159 // grabber in lower right corner |
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160 if (fp->ulFlags & BIF_NEWDIALOGSTYLE) |
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161 hMargin = ::GetSystemMetrics(SM_CXVSCROLL); |
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162 |
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163 // move the Cancel button |
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164 CRect rectCancel; |
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165 HWND hwndCancel = ::GetDlgItem(hWnd, IDCANCEL); |
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166 if (hwndCancel) |
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167 ::GetWindowRect(hwndCancel, &rectCancel); |
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168 ScreenToClientX(hWnd, &rectCancel); |
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169 int h = rectCancel.Height(); |
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170 int w = rectCancel.Width(); |
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171 rectCancel.bottom = rectDlg.bottom - vMargin;//nMargin; |
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172 rectCancel.top = rectCancel.bottom - h; |
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173 rectCancel.right = rectDlg.right - hMargin; //(scrollWidth + 2*borderWidth); |
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174 rectCancel.left = rectCancel.right - w; |
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175 if (hwndCancel) |
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176 { |
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177 MoveWindowX(hwndCancel, rectCancel, FALSE); |
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178 } |
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179 |
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180 // move the OK button |
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181 CRect rectOK(0, 0, 0, 0); |
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182 HWND hwndOK = ::GetDlgItem(hWnd, IDOK); |
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183 if (hwndOK) |
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184 ::GetWindowRect(hwndOK, &rectOK); |
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185 ScreenToClientX(hWnd, &rectOK); |
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186 rectOK.bottom = rectCancel.bottom; |
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187 rectOK.top = rectCancel.top; |
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188 rectOK.right = rectCancel.left - 10; |
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189 rectOK.left = rectOK.right - w; |
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190 if (hwndOK) |
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191 { |
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192 MoveWindowX(hwndOK, rectOK, FALSE); |
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193 } |
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194 |
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195 // expand the folder tree to fill the dialog |
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196 CRect rectTree; |
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197 ::GetWindowRect(hwndTree, &rectTree); |
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198 ScreenToClientX(hWnd, &rectTree); |
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199 if (hwndEdit) |
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200 { |
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201 rectEdit.left = hMargin; |
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202 rectEdit.right = rectDlg.right - hMargin; |
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203 rectEdit.top = vMargin; |
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204 rectEdit.bottom = rectEdit.top + nEditHeight; |
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205 MoveWindowX(hwndEdit, rectEdit, FALSE); |
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206 rectTree.top = rectEdit.bottom + 5; |
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207 } |
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208 else |
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209 { |
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210 rectTree.top = vMargin; |
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211 } |
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212 rectTree.left = hMargin; |
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213 rectTree.bottom = rectOK.top - 10;//nMargin; |
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214 rectTree.right = rectDlg.right - hMargin; |
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215 MoveWindowX(hwndTree, rectTree, FALSE); |
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216 } |
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217 } |
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218 |
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219 #ifdef AEROGLASS |
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220 extern "C" { |
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221 /* Include necessary variables and prototypes from dw.c */ |
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222 extern int _DW_DARK_MODE_SUPPORTED; |
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223 extern int _DW_DARK_MODE_ENABLED; |
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224 extern BOOL (WINAPI * _dw_should_apps_use_dark_mode)(VOID); |
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225 |
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226 BOOL _dw_is_high_contrast(VOID); |
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227 BOOL _dw_is_color_scheme_change_message(LPARAM lParam); |
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228 void _dw_refresh_titlebar_theme_color(HWND window); |
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229 BOOL CALLBACK _dw_set_child_window_theme(HWND window, LPARAM lParam); |
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230 } |
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231 #endif |
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232 |
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233 /////////////////////////////////////////////////////////////////////////////// |
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234 // BrowseCallbackProc - SHBrowseForFolder callback function |
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235 static int CALLBACK BrowseCallbackProc(HWND hWnd, // Window handle to the browse dialog box |
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236 UINT uMsg, // Value identifying the event |
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237 LPARAM lParam, // Value dependent upon the message |
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238 LPARAM lpData) // Application-defined value that was |
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239 // specified in the lParam member of the |
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240 // BROWSEINFO structure |
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241 { |
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242 switch (uMsg) |
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243 { |
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244 #ifdef AEROGLASS |
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245 case WM_SETTINGCHANGE: |
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246 { |
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247 if(_DW_DARK_MODE_SUPPORTED && _dw_is_color_scheme_change_message(lpData)) |
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248 { |
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249 _DW_DARK_MODE_ENABLED = _dw_should_apps_use_dark_mode() && !_dw_is_high_contrast(); |
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250 |
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251 _dw_refresh_titlebar_theme_color(hWnd); |
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252 _dw_set_child_window_theme(hWnd, 0); |
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253 EnumChildWindows(hWnd, _dw_set_child_window_theme, 0); |
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254 } |
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255 } |
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256 break; |
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257 #endif |
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258 case BFFM_INITIALIZED: // sent when the browse dialog box has finished initializing. |
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259 { |
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260 // remove context help button from dialog caption |
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261 LONG lStyle = ::GetWindowLong(hWnd, GWL_STYLE); |
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262 lStyle &= ~DS_CONTEXTHELP; |
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263 ::SetWindowLong(hWnd, GWL_STYLE, lStyle); |
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264 lStyle = ::GetWindowLong(hWnd, GWL_EXSTYLE); |
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265 lStyle &= ~WS_EX_CONTEXTHELP; |
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266 ::SetWindowLong(hWnd, GWL_EXSTYLE, lStyle); |
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267 |
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268 FOLDER_PROPS *fp = (FOLDER_PROPS *) lpData; |
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269 if (fp) |
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270 { |
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271 if (fp->lpszInitialFolder && fp->lpszInitialFolder[0]) |
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272 { |
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273 // set initial directory |
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274 ::SendMessage(hWnd, BFFM_SETSELECTION, TRUE, (LPARAM)fp->lpszInitialFolder); |
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275 } |
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276 |
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277 if (fp->lpszTitle && fp->lpszTitle[0]) |
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278 { |
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279 // set window caption |
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280 ::SetWindowText(hWnd, fp->lpszTitle); |
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281 } |
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282 } |
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283 |
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284 #ifdef AEROGLASS |
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285 if(_DW_DARK_MODE_SUPPORTED) |
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286 { |
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287 _dw_set_child_window_theme(hWnd, 0); |
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288 EnumChildWindows(hWnd, _dw_set_child_window_theme, 0); |
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289 _dw_refresh_titlebar_theme_color(hWnd); |
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290 } |
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291 #endif |
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292 SizeBrowseDialog(hWnd, fp); |
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293 } |
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294 break; |
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295 |
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296 case BFFM_SELCHANGED: // sent when the selection has changed |
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297 { |
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298 TCHAR szDir[MAX_PATH*2] = { 0 }; |
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299 |
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300 // fail if non-filesystem |
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301 BOOL bRet = SHGetPathFromIDList((LPITEMIDLIST) lParam, szDir); |
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302 if (bRet) |
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303 { |
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304 // fail if folder not accessible |
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305 if (_taccess(szDir, 00) != 0) |
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306 { |
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307 bRet = FALSE; |
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308 } |
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309 else |
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310 { |
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311 SHFILEINFO sfi; |
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312 ::SHGetFileInfo((LPCTSTR)lParam, 0, &sfi, sizeof(sfi), |
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313 SHGFI_PIDL | SHGFI_ATTRIBUTES); |
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314 |
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315 // fail if pidl is a link |
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316 if (sfi.dwAttributes & SFGAO_LINK) |
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317 { |
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318 bRet = FALSE; |
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319 } |
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320 } |
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321 } |
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322 |
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323 // if invalid selection, disable the OK button |
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324 if (!bRet) |
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325 { |
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326 ::EnableWindow(GetDlgItem(hWnd, IDOK), FALSE); |
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327 } |
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328 } |
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329 break; |
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330 } |
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331 |
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332 return 0; |
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333 } |
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334 |
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335 /////////////////////////////////////////////////////////////////////////////// |
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336 // |
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337 // XBrowseForFolder() |
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338 // |
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339 // Purpose: Invoke the SHBrowseForFolder API. If lpszInitialFolder is |
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340 // supplied, it will be the folder initially selected in the tree |
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341 // folder list. Otherwise, the initial folder will be set to the |
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342 // current directory. The selected folder will be returned in |
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343 // lpszBuf. |
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344 // |
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345 // Parameters: hWnd - handle to the owner window for the dialog |
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346 // lpszInitialFolder - initial folder in tree; if NULL, the initial |
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347 // folder will be the current directory; if |
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348 // if this is a CSIDL, must be a real folder. |
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349 // nRootFolder - optional CSIDL of root folder for tree; |
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350 // -1 = use default. |
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351 // lpszCaption - optional caption for folder dialog |
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352 // lpszBuf - buffer for the returned folder path |
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353 // dwBufSize - size of lpszBuf in TCHARs |
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354 // bEditBox - TRUE = include edit box in dialog |
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355 // |
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356 // Returns: BOOL - TRUE = success; FALSE = user hit Cancel |
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357 // |
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358 BOOL _cdecl XBrowseForFolder(HWND hWnd, |
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359 LPCTSTR lpszInitialFolder, |
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360 int nRootFolder, |
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361 LPCTSTR lpszCaption, |
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362 LPTSTR lpszBuf, |
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363 DWORD dwBufSize, |
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364 BOOL bEditBox /*= FALSE*/) |
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365 { |
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366 if (lpszBuf == NULL || dwBufSize < MAX_PATH) |
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367 return FALSE; |
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368 |
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369 ZeroMemory(lpszBuf, dwBufSize*sizeof(TCHAR)); |
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370 |
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371 BROWSEINFO bi = { 0 }; |
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372 |
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373 // check if there is a special root folder |
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374 LPITEMIDLIST pidlRoot = NULL; |
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375 if (nRootFolder != -1) |
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376 { |
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377 if (SUCCEEDED(SHGetSpecialFolderLocation(hWnd, nRootFolder, &pidlRoot))) |
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378 bi.pidlRoot = pidlRoot; |
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379 } |
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380 |
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381 TCHAR szInitialPath[MAX_PATH*2] = { 0 }; |
632
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382 if (lpszInitialFolder) |
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383 { |
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384 // is this a folder path string or a csidl? |
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385 if (HIWORD(lpszInitialFolder) == 0) |
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386 { |
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387 // csidl |
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388 int nFolder = LOWORD((UINT)(UINT_PTR)lpszInitialFolder); |
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389 SHGetSpecialFolderPath(hWnd, szInitialPath, nFolder, FALSE); |
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390 } |
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391 else |
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392 { |
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393 // string |
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394 _tcsncpy(szInitialPath, lpszInitialFolder, |
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395 sizeof(szInitialPath)/sizeof(TCHAR)-2); |
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396 } |
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397 } |
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398 |
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399 if (!szInitialPath[0] && !bi.pidlRoot) |
632
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400 { |
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401 // no initial folder and no root, set to current directory |
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402 ::GetCurrentDirectory(sizeof(szInitialPath)/sizeof(TCHAR)-2, |
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403 szInitialPath); |
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404 } |
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405 |
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406 FOLDER_PROPS fp; |
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407 |
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408 bi.hwndOwner = hWnd; |
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409 bi.ulFlags = BIF_RETURNONLYFSDIRS; // do NOT use BIF_NEWDIALOGSTYLE, |
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410 // or BIF_STATUSTEXT |
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411 if (bEditBox) |
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412 bi.ulFlags |= BIF_EDITBOX; |
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413 bi.ulFlags |= BIF_NONEWFOLDERBUTTON; |
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414 bi.lpfn = BrowseCallbackProc; |
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415 bi.lParam = (LPARAM) &fp; |
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416 |
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417 fp.lpszInitialFolder = szInitialPath; |
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418 fp.lpszTitle = lpszCaption; |
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419 fp.ulFlags = bi.ulFlags; |
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420 |
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421 BOOL bRet = FALSE; |
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422 |
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423 LPITEMIDLIST pidlFolder = SHBrowseForFolder(&bi); |
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424 |
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425 if (pidlFolder) |
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426 { |
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427 TCHAR szBuffer[MAX_PATH*2] = { 0 }; |
632
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428 |
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429 if (SHGetPathFromIDList(pidlFolder, szBuffer)) |
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430 { |
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431 _tcsncpy(lpszBuf, szBuffer, dwBufSize-1); |
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432 bRet = TRUE; |
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433 } |
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434 } |
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435 |
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436 // free up pidls |
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437 IMalloc *pMalloc = NULL; |
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438 if (SUCCEEDED(SHGetMalloc(&pMalloc)) && pMalloc) |
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439 { |
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440 if (pidlFolder) |
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441 pMalloc->Free(pidlFolder); |
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442 if (pidlRoot) |
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443 pMalloc->Free(pidlRoot); |
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444 pMalloc->Release(); |
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445 } |
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446 |
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447 return bRet; |
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changeset
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