tdesktop/Telegram/SourceFiles/gui/filedialog.cpp

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/*
This file is part of Telegram Desktop,
an unofficial desktop messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It 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 General Public License for more details.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014 John Preston, https://tdesktop.com
*/
#include "stdafx.h"
#include "gui/filedialog.h"
#include "app.h"
#include "application.h"
void filedialogInit() {
// hack to restore previous dir without hurting performance
if (cDialogLastPath().isEmpty()) {
QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
settings.beginGroup(QLatin1String("Qt"));
QByteArray sd = settings.value(QLatin1String("filedialog")).toByteArray();
QDataStream stream(&sd, QIODevice::ReadOnly);
if (!stream.atEnd()) {
int version = 3, _QFileDialogMagic = 190;
QByteArray splitterState;
QByteArray headerData;
QList<QUrl> bookmarks;
QStringList history;
QString currentDirectory;
qint32 marker;
qint32 v;
qint32 viewMode;
stream >> marker;
stream >> v;
if (marker == _QFileDialogMagic && v == version) {
stream >> splitterState
>> bookmarks
>> history
>> currentDirectory
>> headerData
>> viewMode;
cSetDialogLastPath(currentDirectory);
}
}
if (cDialogHelperPath().isEmpty()) {
QDir temppath(cWorkingDir() + "tdata/tdummy/");
if (!temppath.exists()) {
temppath.mkpath(temppath.absolutePath());
}
if (temppath.exists()) {
cSetDialogHelperPath(temppath.absolutePath());
}
}
}
}
// multipleFiles: 1 - multi open, 0 - single open, -1 - single save
bool _filedialogGetFiles(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter, int multipleFiles, const QString &startFile = QString()) {
filedialogInit();
// hack for fast non-native dialog create
QFileDialog dialog(App::wnd(), caption, cDialogHelperPathFinal(), filter);
dialog.setModal(true);
if (multipleFiles >= 0) { // open file or files
dialog.setFileMode(multipleFiles ? QFileDialog::ExistingFiles : QFileDialog::ExistingFile);
dialog.setAcceptMode(QFileDialog::AcceptOpen);
} else if (multipleFiles < -1) { // save dir
dialog.setAcceptMode(QFileDialog::AcceptOpen);
dialog.setFileMode(QFileDialog::Directory);
dialog.setOption(QFileDialog::ShowDirsOnly);
} else { // save file
dialog.setFileMode(QFileDialog::AnyFile);
dialog.setAcceptMode(QFileDialog::AcceptSave);
}
dialog.show();
if (!cDialogLastPath().isEmpty()) dialog.setDirectory(cDialogLastPath());
if (multipleFiles == -1) {
QString toSelect(startFile);
#ifdef Q_OS_WIN
int32 lastSlash = toSelect.lastIndexOf('/');
if (lastSlash >= 0) {
toSelect = toSelect.mid(lastSlash + 1);
}
int32 lastBackSlash = toSelect.lastIndexOf('\\');
if (lastBackSlash >= 0) {
toSelect = toSelect.mid(lastBackSlash + 1);
}
#endif
dialog.selectFile(toSelect);
}
int res = dialog.exec();
cSetDialogLastPath(dialog.directory().absolutePath());
if (res == QDialog::Accepted) {
if (multipleFiles > 0) {
files = dialog.selectedFiles();
} else {
files = dialog.selectedFiles().mid(0, 1);
}
if (multipleFiles >= 0) {
#ifdef Q_OS_WIN
remoteContent = dialog.selectedRemoteContent();
#endif
}
return true;
}
files = QStringList();
remoteContent = QByteArray();
return false;
}
bool filedialogGetOpenFiles(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter) {
return _filedialogGetFiles(files, remoteContent, caption, filter, 1);
}
bool filedialogGetOpenFile(QString &file, QByteArray &remoteContent, const QString &caption, const QString &filter) {
QStringList files;
bool result = _filedialogGetFiles(files, remoteContent, caption, filter, 0);
file = files.isEmpty() ? QString() : files.at(0);
return result;
}
bool filedialogGetSaveFile(QString &file, const QString &caption, const QString &filter, const QString &startName) {
QStringList files;
QByteArray remoteContent;
bool result = _filedialogGetFiles(files, remoteContent, caption, filter, -1, startName);
file = files.isEmpty() ? QString() : files.at(0);
return result;
}
bool filedialogGetDir(QString &dir, const QString &caption) {
QStringList files;
QByteArray remoteContent;
bool result = _filedialogGetFiles(files, remoteContent, caption, QString(), -2);
dir = files.isEmpty() ? QString() : files.at(0);
return result;
}
QString filedialogDefaultName(const QString &prefix, const QString &extension, const QString &path) {
filedialogInit();
time_t t = time(NULL);
struct tm tm;
mylocaltime(&tm, &t);
QChar zero('0');
QDir dir(path.isEmpty() ? cDialogLastPath() : path);
QString base = prefix + QString("_%1-%2-%3_%4-%5-%6").arg(tm.tm_year + 1900).arg(tm.tm_mon + 1, 2, 10, zero).arg(tm.tm_mday, 2, 10, zero).arg(tm.tm_hour, 2, 10, zero).arg(tm.tm_min, 2, 10, zero).arg(tm.tm_sec, 2, 10, zero);
QString nameBase = dir.absolutePath() + '/' + base, name = nameBase + extension;
for (int i = 0; QFileInfo(name).exists(); ++i) {
name = nameBase + QString(" (%1)").arg(i + 2) + extension;
}
return name;
}