Add base code for custom filenames

src/utils/filenamehandler.cpp

@@ -0,0 +1,63 @@
+// Copyright 2017 Alejandro Sirgo Rica
+//
+// This file is part of Flameshot.
+//
+//     Flameshot 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.
+//
+//     Flameshot 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.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with Flameshot.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "filenamehandler.h"
+#include <ctime>
+#include <locale>
+#include <QSettings>
+
+FileNameHandler::FileNameHandler(QObject *parent) : QObject(parent) {
+    std::locale::global(std::locale(std::locale("").name()));
+}
+
+QString FileNameHandler::getActualPattern() {
+    return QSettings().value("filenamePattern").toString();
+}
+
+QString FileNameHandler::getParsedPattern() {
+    return parseFilename(getActualPattern());
+}
+
+QString FileNameHandler::parseFilename(const QString &name) {
+    QString res;
+    if (name.isEmpty()) {
+        res = tr("screenshot");
+    } else {
+        std::time_t t = std::time(NULL);
+
+        char *tempData = QStringTocharArr(name);
+        char data[MAX_CHARACTERS] = {0};
+        std::strftime(data, sizeof(data),
+                      tempData, std::localtime(&t));
+        res = QString::fromLocal8Bit(data, strlen(data));
+        free(tempData);
+    }
+    return res;
+}
+
+void FileNameHandler::savePattern(const QString &pattern) {
+    QSettings().setValue("filenamePattern", pattern);
+}
+
+QString FileNameHandler::charArrToQString(const char *c) {
+    return QString::fromLocal8Bit(c, MAX_CHARACTERS);
+}
+
+char * FileNameHandler::QStringTocharArr(const QString &s) {
+    QByteArray ba = s.toLocal8Bit();
+    return const_cast<char *>(strdup(ba.constData()));
+}