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Added filechoser.cpp, filechooser.h (Windows)

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SimplestStudio
2022-10-10 12:26:25 +03:00
parent 3091675314
commit 7947236396
3 changed files with 322 additions and 2 deletions
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6
win-linux/defaults.pri
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@ -234,11 +234,13 @@ core_windows {
HEADERS += $$PWD/src/windows/platform_win/cwindowplatform.h \
$$PWD/src/windows/platform_win/csnap.h \
$$PWD/src/windows/platform_win/caption.h \
$$PWD/src/platform_win/singleapplication.h
$$PWD/src/platform_win/singleapplication.h \
$$PWD/src/platform_win/filechooser.h
SOURCES += $$PWD/src/windows/platform_win/cwindowplatform.cpp \
$$PWD/src/windows/platform_win/csnap.cpp \
$$PWD/src/platform_win/singleapplication.cpp
$$PWD/src/platform_win/singleapplication.cpp \
$$PWD/src/platform_win/filechooser.cpp
LIBS += -lwininet \

262
win-linux/src/platform_win/filechooser.cpp Normal file
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@ -0,0 +1,262 @@
/*
* (c) Copyright Ascensio System SIA 2010-2019
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#include <QDir>
#include <QSettings>
#ifndef __OS_WIN_XP
# include <Shobjidl.h>
#endif
#include "filechooser.h"
#ifndef __OS_WIN_XP
using std::vector;
using std::wstring;
using std::pair;
typedef vector<IShellItem *> VectorShellItems;
typedef vector<pair<wstring, wstring>> specvector;
auto itemsFromItemArray(IShellItemArray * items)
{
VectorShellItems out;
DWORD itemCount = 0;
if (FAILED(items->GetCount(&itemCount)) || itemCount == 0)
return out;
out.reserve(itemCount);
for (DWORD i = 0; i < itemCount; ++i) {
IShellItem * item = nullptr;
if (SUCCEEDED(items->GetItemAt(i, &item)))
out.push_back(item);
}
return out;
}
auto stringToFilters(const wstring& wstr) -> specvector {
specvector v;
if ( !wstr.empty() ) {
auto _parce_filter_string = [](const wstring& fullstr, size_t start, size_t stop) -> pair<wstring, wstring> {
wstring filter_name = fullstr.substr(start, stop - start);
size_t mid = filter_name.find(L"(") + 1;
wstring filter_pattern = filter_name.substr(mid, filter_name.find(L")", mid) - mid);
std::replace(begin(filter_pattern), end(filter_pattern), ' ', ';');
return make_pair(filter_name, filter_pattern);
};
wstring _delim = L";;";
size_t _curr = wstr.find(_delim),
_prev = 0;
while ( _curr != wstring::npos ) {
v.push_back(_parce_filter_string(wstr,_prev,_curr));
_prev = _curr + 2;
_curr = wstr.find(_delim, _prev);
}
v.push_back(_parce_filter_string(wstr, _prev, wstr.size()));
}
return v;
}
#endif
void nativeFileDialog(HWND parent_hwnd,
Win::Mode mode,
QStringList &filenames,
const wchar_t* title,
const wstring &file,
const wstring &path,
const wstring &flt,
QString* sel_filter,
bool sel_multiple)
{
#ifndef __OS_WIN_XP
const CLSID rclsid = (mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
CLSID_FileOpenDialog : CLSID_FileSaveDialog;
const IID riid = (mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
IID_IFileOpenDialog : IID_IFileSaveDialog;
HRESULT hr = CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
if (SUCCEEDED(hr)) {
IFileOpenDialog * pOpenDialog = nullptr;
IFileSaveDialog * pSaveDialog = nullptr;
LPVOID *ppv = (mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
reinterpret_cast<void**>(&pOpenDialog) : reinterpret_cast<void**>(&pSaveDialog);
hr = CoCreateInstance(rclsid,
nullptr,
CLSCTX_INPROC_SERVER,
riid,
ppv);
if (SUCCEEDED(hr)) {
hr = (mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
pOpenDialog->SetTitle(title) : pSaveDialog->SetTitle(title);
FILEOPENDIALOGOPTIONS dwFlags = FOS_PATHMUSTEXIST;
hr = (mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
pOpenDialog->GetOptions(&dwFlags) : pSaveDialog->GetOptions(&dwFlags);
if (SUCCEEDED(hr)) {
if (sel_multiple && mode != Win::Mode::SAVE)
dwFlags |= FOS_ALLOWMULTISELECT;
if (mode == Win::Mode::FOLDER)
dwFlags |= FOS_PICKFOLDERS;
QSettings _r("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced", QSettings::NativeFormat);
if ( _r.value("Hidden", 1) == 1 )
dwFlags |= FOS_FORCESHOWHIDDEN;
hr = (mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
pOpenDialog->SetOptions(dwFlags | FOS_FILEMUSTEXIST) :
pSaveDialog->SetOptions(dwFlags & !FOS_OVERWRITEPROMPT);
}
specvector filters{stringToFilters(flt)};
uint typeIndex = 1;
COMDLG_FILTERSPEC * specOpenTypes = new COMDLG_FILTERSPEC[filters.size()];
for (uint i{0}; i < filters.size(); ++i) {
specvector::const_reference iter = filters.at(i);
specOpenTypes[i] = {iter.first.c_str(), iter.second.c_str()};
if (sel_filter) {
if ( !sel_filter->isEmpty() && iter.first.find(sel_filter->toStdWString()) == 0 )
typeIndex = i + 1;
}
}
hr = (mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
pOpenDialog->SetFileTypes(filters.size(), specOpenTypes) :
pSaveDialog->SetFileTypes(filters.size(), specOpenTypes);
delete [] specOpenTypes;
(mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
pOpenDialog->SetFileTypeIndex(typeIndex) :
pSaveDialog->SetFileTypeIndex(typeIndex);
if (!path.empty()) {
IShellItem * pItem = nullptr;
hr = SHCreateItemFromParsingName(path.c_str(), nullptr, IID_PPV_ARGS(&pItem));
if (SUCCEEDED(hr)) {
(mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
pOpenDialog->SetFolder(pItem) : pSaveDialog->SetFolder(pItem);
pItem->Release();
}
}
if (!file.empty() && mode == Win::Mode::SAVE) {
pSaveDialog->SetFileName(file.c_str());
pSaveDialog->SetDefaultExtension(L"");
}
hr = (mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
pOpenDialog->Show(parent_hwnd) : pSaveDialog->Show(parent_hwnd);
if (SUCCEEDED(hr)) {
if (mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) {
IShellItemArray * items = nullptr;
hr = pOpenDialog->GetResults(&items);
if (SUCCEEDED(hr) && items) {
VectorShellItems iarray = itemsFromItemArray(items);
for (IShellItem * item : iarray) {
PWSTR pszFilePath;
hr = item->GetDisplayName(SIGDN_FILESYSPATH, &pszFilePath);
if (SUCCEEDED(hr)) {
filenames.append(QString::fromStdWString(pszFilePath));
CoTaskMemFree(pszFilePath);
}
}
for (IShellItem * item : iarray)
item->Release();
items->Release();
}
} else {
IShellItem * item;
hr = pSaveDialog->GetResult(&item);
if (SUCCEEDED(hr) && item) {
PWSTR pszFilePath;
hr = item->GetDisplayName(SIGDN_FILESYSPATH, &pszFilePath);
if (SUCCEEDED(hr)) {
filenames.append(QString::fromStdWString(pszFilePath).replace('\\', '/'));
CoTaskMemFree(pszFilePath);
}
item->Release();
}
}
if (mode != Win::Mode::FOLDER) {
uint typeIndex;
(mode == Win::Mode::OPEN) ? pOpenDialog->GetFileTypeIndex(&typeIndex) :
pSaveDialog->GetFileTypeIndex(&typeIndex);
if (sel_filter && typeIndex > 0 && typeIndex <= filters.size()) {
specvector::const_reference iter = filters.at(typeIndex - 1);
*sel_filter = QString::fromStdWString(iter.first);
}
}
}
(mode == Win::Mode::OPEN || mode == Win::Mode::FOLDER) ?
pOpenDialog->Release() : pSaveDialog->Release();
}
CoUninitialize();
}
#else
#endif
}
QStringList Win::openWinFileChooser(QWidget *parent,
Mode mode,
const QString &title,
const QString &file,
const QString &path,
const QString &filter,
QString *sel_filter,
bool sel_multiple)
{
const int pos = file.lastIndexOf('/');
QString _file = (pos != -1) ?
file.mid(pos + 1) : file;
const QString _path = (path.isEmpty() && pos != -1) ?
file.mid(0, pos) : path;
_file = _file.left(_file.lastIndexOf("."));
QStringList filenames;
HWND parent_hwnd = (parent) ? (HWND)parent->winId() : nullptr;
nativeFileDialog(parent_hwnd,
mode,
filenames,
title.toStdWString().c_str(),
_file.toStdWString(),
QDir::toNativeSeparators(_path).toStdWString(),
filter.toStdWString(),
sel_filter,
sel_multiple);
return filenames;
}

56
win-linux/src/platform_win/filechooser.h Normal file
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@ -0,0 +1,56 @@
/*
* (c) Copyright Ascensio System SIA 2010-2019
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#ifndef WINFILECHOOSER_H
#define WINFILECHOOSER_H
#include <QWidget>
#include <QString>
namespace Win
{
typedef enum {
OPEN = 0, SAVE = 1, FOLDER = 2
} Mode;
QStringList openWinFileChooser(QWidget *parent,
Mode mode,
const QString &title,
const QString &file,
const QString &path,
const QString &filter,
QString *sel_filter,
bool sel_multiple = false);
}
#endif // WINFILECHOOSER_H