Initialer Commit

CPP/Windows/CommonDialog.cpp

@@ -0,0 +1,185 @@
+// Windows/CommonDialog.cpp
+
+#include "StdAfx.h"
+
+#include "../Common/MyWindows.h"
+
+#ifdef UNDER_CE
+#include <commdlg.h>
+#endif
+
+#ifndef _UNICODE
+#include "../Common/StringConvert.h"
+#endif
+
+#include "CommonDialog.h"
+#include "Defs.h"
+
+#ifndef _UNICODE
+extern bool g_IsNT;
+#endif
+
+namespace NWindows {
+
+#ifndef _UNICODE
+
+class CDoubleZeroStringListA
+{
+  LPTSTR Buf;
+  unsigned Size;
+public:
+  CDoubleZeroStringListA(LPSTR buf, unsigned size): Buf(buf), Size(size) {}
+  bool Add(LPCSTR s) throw();
+  void Finish() { *Buf = 0; }
+};
+
+bool CDoubleZeroStringListA::Add(LPCSTR s) throw()
+{
+  unsigned len = MyStringLen(s) + 1;
+  if (len >= Size)
+    return false;
+  MyStringCopy(Buf, s);
+  Buf += len;
+  Size -= len;
+  return true;
+}
+
+#endif
+
+class CDoubleZeroStringListW
+{
+  LPWSTR Buf;
+  unsigned Size;
+public:
+  CDoubleZeroStringListW(LPWSTR buf, unsigned size): Buf(buf), Size(size) {}
+  bool Add(LPCWSTR s) throw();
+  void Finish() { *Buf = 0; }
+};
+
+bool CDoubleZeroStringListW::Add(LPCWSTR s) throw()
+{
+  unsigned len = MyStringLen(s) + 1;
+  if (len >= Size)
+    return false;
+  MyStringCopy(Buf, s);
+  Buf += len;
+  Size -= len;
+  return true;
+}
+
+#define MY__OFN_PROJECT  0x00400000
+#define MY__OFN_SHOW_ALL 0x01000000
+
+/* if (lpstrFilter == NULL && nFilterIndex == 0)
+  MSDN : "the system doesn't show any files",
+  but WinXP-64 shows all files. Why ??? */
+
+/*
+structures
+  OPENFILENAMEW
+  OPENFILENAMEA
+contain additional members:
+#if (_WIN32_WINNT >= 0x0500)
+  void *pvReserved;
+  DWORD dwReserved;
+  DWORD FlagsEx;
+#endif
+
+If we compile the source code with (_WIN32_WINNT >= 0x0500), some functions
+will not work at NT 4.0, if we use sizeof(OPENFILENAME*).
+So we use size of old version of structure. */
+
+#if defined(UNDER_CE) || defined(_WIN64) || (_WIN32_WINNT < 0x0500)
+// || !defined(WINVER)
+  #define my_compatib_OPENFILENAMEA_size sizeof(OPENFILENAMEA)
+  #define my_compatib_OPENFILENAMEW_size sizeof(OPENFILENAMEW)
+#else
+  #define my_compatib_OPENFILENAMEA_size OPENFILENAME_SIZE_VERSION_400A
+  #define my_compatib_OPENFILENAMEW_size OPENFILENAME_SIZE_VERSION_400W
+#endif
+
+#define CONV_U_To_A(dest, src, temp) AString temp; if (src) { temp = GetSystemString(src); dest = temp; }
+
+bool MyGetOpenFileName(HWND hwnd, LPCWSTR title,
+    LPCWSTR initialDir,
+    LPCWSTR filePath,
+    LPCWSTR filterDescription,
+    LPCWSTR filter,
+    UString &resPath
+    #ifdef UNDER_CE
+    , bool openFolder
+    #endif
+    )
+{
+  const unsigned kBufSize = MAX_PATH * 2;
+  const unsigned kFilterBufSize = MAX_PATH;
+  if (!filter)
+    filter = L"*.*";
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    CHAR buf[kBufSize];
+    MyStringCopy(buf, (const char *)GetSystemString(filePath));
+    // OPENFILENAME_NT4A
+    OPENFILENAMEA p;
+    memset(&p, 0, sizeof(p));
+    p.lStructSize = my_compatib_OPENFILENAMEA_size;
+    p.hwndOwner = hwnd;
+    CHAR filterBuf[kFilterBufSize];
+    {
+      CDoubleZeroStringListA dz(filterBuf, kFilterBufSize);
+      dz.Add(GetSystemString(filterDescription ? filterDescription : filter));
+      dz.Add(GetSystemString(filter));
+      dz.Finish();
+      p.lpstrFilter = filterBuf;
+      p.nFilterIndex = 1;
+    }
+    
+    p.lpstrFile = buf;
+    p.nMaxFile = kBufSize;
+    CONV_U_To_A(p.lpstrInitialDir, initialDir, initialDirA);
+    CONV_U_To_A(p.lpstrTitle, title, titleA);
+    p.Flags = OFN_EXPLORER | OFN_HIDEREADONLY;
+
+    bool res = BOOLToBool(::GetOpenFileNameA(&p));
+    resPath = GetUnicodeString(buf);
+    return res;
+  }
+  else
+  #endif
+  {
+    WCHAR buf[kBufSize];
+    MyStringCopy(buf, filePath);
+    // OPENFILENAME_NT4W
+    OPENFILENAMEW p;
+    memset(&p, 0, sizeof(p));
+    p.lStructSize = my_compatib_OPENFILENAMEW_size;
+    p.hwndOwner = hwnd;
+    
+    WCHAR filterBuf[kFilterBufSize];
+    {
+      CDoubleZeroStringListW dz(filterBuf, kFilterBufSize);
+      dz.Add(filterDescription ? filterDescription : filter);
+      dz.Add(filter);
+      dz.Finish();
+      p.lpstrFilter = filterBuf;
+      p.nFilterIndex = 1;
+    }
+        
+    p.lpstrFile = buf;
+    p.nMaxFile = kBufSize;
+    p.lpstrInitialDir = initialDir;
+    p.lpstrTitle = title;
+    p.Flags = OFN_EXPLORER | OFN_HIDEREADONLY
+        #ifdef UNDER_CE
+        | (openFolder ? (MY__OFN_PROJECT | MY__OFN_SHOW_ALL) : 0)
+        #endif
+        ;
+
+    bool res = BOOLToBool(::GetOpenFileNameW(&p));
+    resPath = buf;
+    return res;
+  }
+}
+
+}