41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
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// 18 august 2014
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#include "winapi_windows.h"
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#include "_cgo_export.h"
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// this should be reasonable
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#define NFILENAME 4096
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WCHAR *openFile(void)
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{
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OPENFILENAMEW ofn;
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DWORD err;
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WCHAR *filenameBuffer;
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// freed on the Go side
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filenameBuffer = (WCHAR *) malloc((NFILENAME + 1) * sizeof (WCHAR));
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if (filenameBuffer == NULL)
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xpanic("memory exhausted in OpenFile()", GetLastError());
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filenameBuffer[0] = L'\0'; // required by GetOpenFileName() to indicate no previous filename
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ZeroMemory(&ofn, sizeof (OPENFILENAMEW));
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ofn.lStructSize = sizeof (OPENFILENAMEW);
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ofn.hwndOwner = NULL;
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ofn.hInstance = hInstance;
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ofn.lpstrFilter = NULL; // no filters
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ofn.lpstrFile = filenameBuffer;
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ofn.nMaxFile = NFILENAME + 1; // TODO include + 1?
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ofn.lpstrInitialDir = NULL; // let system decide
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ofn.lpstrTitle = NULL; // let system decide
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// TODO OFN_SHAREAWARE?
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// TODO remove OFN_NODEREFERENCELINKS? or does no filters ensure that anyway?
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ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_FORCESHOWHIDDEN | OFN_HIDEREADONLY | OFN_LONGNAMES | OFN_NOCHANGEDIR | OFN_NODEREFERENCELINKS | OFN_NOTESTFILECREATE | OFN_PATHMUSTEXIST;
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if (GetOpenFileNameW(&ofn) == FALSE) {
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// TODO stringify
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err = CommDlgExtendedError();
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if (err == 0) // user cancelled
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return NULL;
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xpanic("error running open file dialog", GetLastError());
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}
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return filenameBuffer;
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}
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