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Unix: Added stub for file selection dialog
To be implemented with Doomsday's own widgets to adding dependencies to native UI toolkits.
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| /** @file filedialog_x11.cpp Native file chooser dialog. | ||
| * | ||
| * @authors Copyright (c) 2019 Jaakko Keränen <jaakko.keranen@iki.fi> | ||
| * | ||
| * @par License | ||
| * LGPL: http://www.gnu.org/licenses/lgpl.html | ||
| * | ||
| * <small>This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published by | ||
| * the Free Software Foundation; either version 3 of the License, or (at your | ||
| * option) any later version. This program is distributed in the hope that it | ||
| * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty | ||
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser | ||
| * General Public License for more details. You should have received a copy of | ||
| * the GNU Lesser General Public License along with this program; if not, see: | ||
| * http://www.gnu.org/licenses</small> | ||
| */ | ||
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| #include "de/FileDialog" | ||
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| namespace de { | ||
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| DE_PIMPL_NOREF(FileDialog) | ||
| { | ||
| String title = "Select File"; | ||
| String prompt = "OK"; | ||
| Behaviors behavior = AcceptFiles; | ||
| List<NativePath> selection; | ||
| NativePath initialLocation; | ||
| FileTypes fileTypes; // empty list: eveything allowed | ||
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| // using Filters = List<std::pair<Block, Block>>; | ||
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| // Filters filters() const | ||
| // { | ||
| // Filters list; | ||
| // for (const FileType &fileType : fileTypes) | ||
| // { | ||
| // const String exts = | ||
| // (fileType.extensions ? "*." + String::join(fileType.extensions, ";*.") : DE_STR("*")); | ||
| // list << std::make_pair(fileType.label.toUtf16(), exts.toUtf16()); | ||
| // } | ||
| // return list; | ||
| // } | ||
| }; | ||
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| FileDialog::FileDialog() : d(new Impl) | ||
| {} | ||
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| void FileDialog::setTitle(const String &title) | ||
| { | ||
| d->title = title; | ||
| } | ||
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| void FileDialog::setPrompt(const String &prompt) | ||
| { | ||
| d->prompt = prompt; | ||
| } | ||
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| void FileDialog::setBehavior(Behaviors behaviors, FlagOp flagOp) | ||
| { | ||
| applyFlagOperation(d->behavior, behaviors, flagOp); | ||
| } | ||
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| void FileDialog::setInitialLocation(const NativePath &initialLocation) | ||
| { | ||
| d->initialLocation = initialLocation; | ||
| } | ||
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| void FileDialog::setFileTypes(const FileTypes &fileTypes) | ||
| { | ||
| d->fileTypes = fileTypes; | ||
| } | ||
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| NativePath FileDialog::selectedPath() const | ||
| { | ||
| return d->selection ? d->selection.front() : NativePath(); | ||
| } | ||
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| List<NativePath> FileDialog::selectedPaths() const | ||
| { | ||
| return d->selection; | ||
| } | ||
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| bool FileDialog::exec() | ||
| { | ||
| d->selection.clear(); | ||
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| // IFileOpenDialog *dlg = nullptr; | ||
| // if (FAILED(CoCreateInstance( | ||
| // CLSID_FileOpenDialog, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&dlg)))) | ||
| // { | ||
| // return false; | ||
| // } | ||
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| // // Configure the dialog according to user-specified options. | ||
| // DWORD options; | ||
| // dlg->GetOptions(&options); | ||
| // options |= FOS_FORCEFILESYSTEM; | ||
| // if (d->behavior & MultipleSelection) | ||
| // { | ||
| // options |= FOS_ALLOWMULTISELECT; | ||
| // } | ||
| // if (d->behavior & AcceptFiles) | ||
| // { | ||
| // options |= FOS_FILEMUSTEXIST; | ||
| // } | ||
| // if (d->behavior & AcceptDirectories) | ||
| // { | ||
| // options |= FOS_PICKFOLDERS | FOS_PATHMUSTEXIST; | ||
| // } | ||
| // dlg->SetOptions(options); | ||
| // { | ||
| // const auto path = d->initialLocation.toString().toUtf16(); | ||
| // IShellItem *folder = nullptr; | ||
| // if (SUCCEEDED(SHCreateItemFromParsingName(path.c_wstr(), nullptr, IID_PPV_ARGS(&folder)))) | ||
| // { | ||
| // dlg->SetDefaultFolder(folder); | ||
| // folder->Release(); | ||
| // } | ||
| // } | ||
| // dlg->SetTitle(d->title.toUtf16().c_wstr()); | ||
| // dlg->SetOkButtonLabel(d->prompt.toUtf16().c_wstr()); | ||
| // if (d->fileTypes) | ||
| // { | ||
| // List<COMDLG_FILTERSPEC> filters; | ||
| // const auto strings = d->filters(); | ||
| // for (const auto &str : strings) | ||
| // { | ||
| // COMDLG_FILTERSPEC spec; | ||
| // spec.pszName = str.first.c_wstr(); | ||
| // spec.pszSpec = str.second.c_wstr(); | ||
| // filters << spec; | ||
| // } | ||
| // dlg->SetFileTypes(UINT(filters.size()), filters.data()); | ||
| // } | ||
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| // if (SUCCEEDED(dlg->Show(nullptr))) | ||
| // { | ||
| // IShellItemArray *results = nullptr; | ||
| // dlg->GetResults(&results); | ||
| // if (results) | ||
| // { | ||
| // DWORD resultCount = 0; | ||
| // results->GetCount(&resultCount); | ||
| // for (unsigned i = 0; i < resultCount; ++i) | ||
| // { | ||
| // IShellItem *result = nullptr; | ||
| // if (SUCCEEDED(results->GetItemAt(i, &result))) | ||
| // { | ||
| // PWSTR itemPath; | ||
| // if (SUCCEEDED(result->GetDisplayName(SIGDN_FILESYSPATH, &itemPath))) | ||
| // { | ||
| // d->selection << NativePath( | ||
| // String::fromUtf16(Block(itemPath, 2 * (wcslen(itemPath) + 1)))); | ||
| // CoTaskMemFree(itemPath); | ||
| // } | ||
| // result->Release(); | ||
| // } | ||
| // } | ||
| // results->Release(); | ||
| // } | ||
| // } | ||
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| // // Cleanup. | ||
| // dlg->Release(); | ||
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| return !d->selection.empty(); | ||
| } | ||
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| } // namespace de |