mirror of
https://github.com/chibicitiberiu/rainmeter-studio.git
synced 2024-02-24 04:33:31 +00:00
459 lines
11 KiB
C++
459 lines
11 KiB
C++
/*
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Copyright (C) 2005 Kimmo Pekkola
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <windows.h>
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#include <math.h>
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#include <string>
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#include <map>
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#include <vector>
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#include <time.h>
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#include <tchar.h>
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#include <shlwapi.h>
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#include "../../Library/Export.h" // Rainmeter's exported functions
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#include "../../Library/DisableThreadLibraryCalls.h" // contains DllMain entry point
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/* The exported functions */
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extern "C"
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{
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__declspec( dllexport ) UINT Initialize(HMODULE instance, LPCTSTR iniFile, LPCTSTR section, UINT id);
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__declspec( dllexport ) void Finalize(HMODULE instance, UINT id);
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__declspec( dllexport ) double Update2(UINT id);
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__declspec( dllexport ) LPCTSTR GetString(UINT id, UINT flags);
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__declspec( dllexport ) UINT GetPluginVersion();
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__declspec( dllexport ) LPCTSTR GetPluginAuthor();
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}
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struct quoteData
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{
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std::wstring pathname;
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std::wstring separator;
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std::vector<std::wstring> fileFilters;
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std::vector<std::wstring> files;
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std::wstring value;
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};
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void ScanFolder(quoteData& qData, bool bSubfolders, const std::wstring& path);
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static std::map<UINT, quoteData> g_Values;
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std::string ConvertToAscii(LPCTSTR str)
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{
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std::string szAscii;
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if (str && *str)
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{
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int strLen = (int)wcslen(str) + 1;
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int bufLen = WideCharToMultiByte(CP_ACP, 0, str, strLen, NULL, 0, NULL, NULL);
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if (bufLen > 0)
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{
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char* tmpSz = new char[bufLen];
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tmpSz[0] = 0;
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WideCharToMultiByte(CP_ACP, 0, str, strLen, tmpSz, bufLen, NULL, NULL);
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szAscii = tmpSz;
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delete [] tmpSz;
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}
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}
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return szAscii;
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}
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std::wstring ConvertToWide(LPCSTR str)
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{
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std::wstring szWide;
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if (str && *str)
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{
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int strLen = (int)strlen(str) + 1;
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int bufLen = MultiByteToWideChar(CP_ACP, 0, str, strLen, NULL, 0);
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if (bufLen > 0)
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{
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WCHAR* wideSz = new WCHAR[bufLen];
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wideSz[0] = 0;
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MultiByteToWideChar(CP_ACP, 0, str, strLen, wideSz, bufLen);
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szWide = wideSz;
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delete [] wideSz;
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}
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}
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return szWide;
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}
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/*
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This function is called when the measure is initialized.
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The function must return the maximum value that can be measured.
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The return value can also be 0, which means that Rainmeter will
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track the maximum value automatically. The parameters for this
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function are:
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instance The instance of this DLL
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iniFile The name of the ini-file (usually Rainmeter.ini)
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section The name of the section in the ini-file for this measure
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id The identifier for the measure. This is used to identify the measures that use the same plugin.
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*/
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UINT Initialize(HMODULE instance, LPCTSTR iniFile, LPCTSTR section, UINT id)
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{
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quoteData qData;
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LPCTSTR data;
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bool bSubfolders = false;
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data = ReadConfigString(section, L"Subfolders", L"0");
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if (data && _ttoi(data) == 1)
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{
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bSubfolders = true;
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}
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data = ReadConfigString(section, L"Separator", L"\n");
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if (data)
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{
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qData.separator = data;
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}
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data = ReadConfigString(section, L"FileFilter", L"");
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if (data && wcslen(data) > 0)
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{
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std::wstring ext = data;
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size_t start = 0;
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size_t pos = ext.find(L';');
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while (pos != std::wstring::npos)
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{
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qData.fileFilters.push_back(ext.substr(start, pos - start));
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start = pos + 1;
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pos = ext.find(L';', pos + 1);
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}
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qData.fileFilters.push_back(ext.substr(start));
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qData.separator = data;
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}
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/* Read our own settings from the ini-file */
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data = ReadConfigString(section, L"PathName", L"");
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if (data && wcslen(data) > 0)
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{
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qData.pathname = data;
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if (qData.pathname.find(':') == -1) // Not found
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{
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std::wstring path = iniFile;
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size_t pos = path.rfind('\\');
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if (pos >= 0)
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{
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path.erase(pos + 1);
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qData.pathname = path + qData.pathname;
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}
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}
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if (PathIsDirectory(qData.pathname.c_str()))
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{
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if (qData.pathname[qData.pathname.size() - 1] != L'\\')
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{
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qData.pathname += L"\\";
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}
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// Scan files
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ScanFolder(qData, bSubfolders, qData.pathname);
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}
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}
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if (!qData.pathname.empty())
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{
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g_Values[id] = qData;
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}
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// TODO: Random=0, load stuff sequentially (store to somewhere)
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srand( (unsigned)time( NULL ) );
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return 0;
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}
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void ScanFolder(quoteData& qData, bool bSubfolders, const std::wstring& path)
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{
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// Get folder listing
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WIN32_FIND_DATA fileData; // Data structure describes the file found
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HANDLE hSearch; // Search handle returned by FindFirstFile
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std::wstring searchPath = path + L"*";
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hSearch = FindFirstFile(searchPath.c_str(), &fileData);
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do
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{
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if (hSearch == INVALID_HANDLE_VALUE) break; // No more files found
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if (fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
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{
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if (bSubfolders)
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{
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if (wcscmp(fileData.cFileName, L".") != 0 && wcscmp(fileData.cFileName, L"..") != 0)
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{
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ScanFolder(qData, bSubfolders, path + fileData.cFileName + L"\\");
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}
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}
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}
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else
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{
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if (!qData.fileFilters.empty())
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{
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for (int i = 0; i < qData.fileFilters.size(); i++)
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{
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if (!qData.fileFilters[i].empty() && PathMatchSpec(fileData.cFileName, qData.fileFilters[i].c_str()))
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{
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qData.files.push_back(path + fileData.cFileName);
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break;
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}
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}
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}
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else
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{
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qData.files.push_back(path + fileData.cFileName);
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}
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}
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}
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while (FindNextFile(hSearch, &fileData));
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}
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#define BUFFER_SIZE 4096
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/*
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This function is called when new value should be measured.
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The function returns the new value.
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*/
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double Update2(UINT id)
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{
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std::map<UINT, quoteData>::iterator i = g_Values.find(id);
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if (i != g_Values.end())
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{
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quoteData& qData = (*i).second;
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if (qData.files.empty())
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{
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BYTE buffer[BUFFER_SIZE + 2];
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buffer[BUFFER_SIZE] = 0;
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// Read the file
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FILE* file = _wfopen(qData.pathname.c_str(), L"r");
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if (file)
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{
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// Check if the file is unicode or ascii
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fread(buffer, sizeof(WCHAR), 1, file);
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fseek(file, 0, SEEK_END);
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int size = ftell(file);
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if (size > 0)
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{
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// Go to a random place
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int pos = rand() % size;
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fseek(file, (pos / 2) * 2, SEEK_SET);
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qData.value.erase();
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if (0xFEFF == *(WCHAR*)buffer)
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{
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// It's unicode
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WCHAR* wBuffer = (WCHAR*)buffer;
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// Read until we find the first separator
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WCHAR* sepPos1 = NULL;
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WCHAR* sepPos2 = NULL;
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do
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{
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size_t len = fread(buffer, sizeof(BYTE), BUFFER_SIZE, file);
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buffer[len] = 0;
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buffer[len + 1] = 0;
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sepPos1 = wcsstr(wBuffer, qData.separator.c_str());
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if (sepPos1 == NULL)
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{
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// The separator wasn't found
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if (feof(file))
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{
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// End of file reached -> read from start
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fseek(file, 2, SEEK_SET);
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len = fread(buffer, sizeof(BYTE), BUFFER_SIZE, file);
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buffer[len] = 0;
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buffer[len + 1] = 0;
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sepPos1 = wBuffer;
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}
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// else continue reading
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}
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else
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{
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sepPos1 += qData.separator.size();
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}
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}
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while (sepPos1 == NULL);
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// Find the second separator
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do
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{
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sepPos2 = wcsstr(sepPos1, qData.separator.c_str());
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if (sepPos2 == NULL)
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{
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// The separator wasn't found
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if (feof(file))
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{
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// End of file reached -> read the rest
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qData.value += sepPos1;
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break;
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}
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else
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{
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qData.value += sepPos1;
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// else continue reading
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size_t len = fread(buffer, sizeof(BYTE), BUFFER_SIZE, file);
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buffer[len] = 0;
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buffer[len + 1] = 0;
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sepPos1 = wBuffer;
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}
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}
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else
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{
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if (sepPos2)
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{
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*sepPos2 = 0;
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}
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// Read until we find the second separator
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qData.value += sepPos1;
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}
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}
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while (sepPos2 == NULL);
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}
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else
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{
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// It's ascii
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char* aBuffer = (char*)buffer;
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// Read until we find the first separator
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char* sepPos1 = NULL;
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char* sepPos2 = NULL;
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do
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{
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size_t len = fread(buffer, sizeof(char), BUFFER_SIZE, file);
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aBuffer[len] = 0;
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sepPos1 = strstr(aBuffer, ConvertToAscii(qData.separator.c_str()).c_str());
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if (sepPos1 == NULL)
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{
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// The separator wasn't found
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if (feof(file))
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{
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// End of file reached -> read from start
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fseek(file, 0, SEEK_SET);
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len = fread(buffer, sizeof(char), BUFFER_SIZE, file);
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aBuffer[len] = 0;
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sepPos1 = aBuffer;
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}
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// else continue reading
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}
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else
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{
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sepPos1 += qData.separator.size();
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}
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}
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while (sepPos1 == NULL);
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// Find the second separator
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do
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{
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sepPos2 = strstr(sepPos1, ConvertToAscii(qData.separator.c_str()).c_str());
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if (sepPos2 == NULL)
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{
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// The separator wasn't found
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if (feof(file))
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{
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// End of file reached -> read the rest
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qData.value += ConvertToWide(sepPos1);
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break;
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}
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else
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{
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qData.value += ConvertToWide(sepPos1);
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// else continue reading
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size_t len = fread(buffer, sizeof(char), BUFFER_SIZE, file);
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aBuffer[len] = 0;
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sepPos1 = aBuffer;
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}
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}
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else
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{
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if (sepPos2)
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{
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*sepPos2 = 0;
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}
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// Read until we find the second separator
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qData.value += ConvertToWide(sepPos1);
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}
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}
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while (sepPos2 == NULL);
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}
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}
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fclose(file);
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}
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}
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else
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{
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// Select the filename
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if (qData.files.size() > 0)
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{
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qData.value = qData.files[rand() % qData.files.size()];
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}
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}
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}
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return 0;
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}
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LPCTSTR GetString(UINT id, UINT flags)
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{
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std::map<UINT, quoteData>::iterator i = g_Values.find(id);
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if (i != g_Values.end())
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{
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return ((*i).second).value.c_str();
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}
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return NULL;
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}
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/*
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If the measure needs to free resources before quitting.
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The plugin can export Finalize function, which is called
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when Rainmeter quits (or refreshes).
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*/
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void Finalize(HMODULE instance, UINT id)
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{
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std::map<UINT, quoteData>::iterator i1 = g_Values.find(id);
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if (i1 != g_Values.end())
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{
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g_Values.erase(i1);
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}
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}
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UINT GetPluginVersion()
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{
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return 1001;
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}
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LPCTSTR GetPluginAuthor()
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{
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return L"Rainy (rainy@iki.fi)";
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} |