Add OpenWith... tool

src/utils/desktopfileparse.cpp

@@ -0,0 +1,99 @@
+// 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 "desktopfileparse.h"
+#include <QFile>
+#include <QString>
+#include <QTextStream>
+#include <QLocale>
+
+DesktopFileParse::DesktopFileParse() {
+    QString locale = QLocale().name();
+    m_localeName = QString("Name[%1]").arg(locale);
+    m_localeDescription = QString("Comment[%1]").arg(locale);
+}
+
+DesktopAppData DesktopFileParse::parseDesktopFile(
+        const QString &fileName, bool &ok)
+{
+    DesktopAppData res;
+    ok = true;
+    QFile file(fileName);
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        ok = false;
+        return res;
+    }
+    bool nameLocaleSet = false;
+    bool descriptionLocaleSet = false;
+    bool isApplication = false;
+    bool isGraphics = false;
+    QTextStream in(&file);
+    while (!in.atEnd()) {
+        QString line = in.readLine();
+        if (line.startsWith("Icon")) {
+            res.icon = QIcon::fromTheme(
+                      line.mid(line.indexOf("=")+1).trimmed());
+        }
+        else if (!nameLocaleSet && line.startsWith("Name")) {
+            if (line.startsWith(m_localeName)) {
+                res.name = line.mid(line.indexOf("=")+1).trimmed();
+                nameLocaleSet = true;
+            } else if (line.startsWith("Name=")) {
+                res.name = line.mid(line.indexOf("=")+1).trimmed();
+            }
+        }
+        else if (!descriptionLocaleSet && line.startsWith("Comment")) {
+            if (line.startsWith(m_localeName)) {
+                res.description = line.mid(line.indexOf("=")+1).trimmed();
+                descriptionLocaleSet = true;
+            } else if (line.startsWith("Comment=")) {
+                res.description = line.mid(line.indexOf("=")+1).trimmed();
+            }
+        }
+        else if (line.startsWith("MimeType") &&
+                   !line.contains("image/png"))
+        {
+            ok = false;
+            break;
+        }
+        else if (line.startsWith("Exec")) {
+            if (line.contains("%")) {
+                res.exec = line.mid(line.indexOf("=")+1)
+                        .trimmed();
+            } else {
+                ok = false;
+                break;
+            }
+        }
+        else if (line.startsWith("Type")) {
+            if (line.contains("Application")) {
+                isApplication = true;
+            }
+        }
+        else if (line.startsWith("Categories")) {
+            if (line.contains("Graphics")) {
+                isGraphics = true;
+            }
+        }
+    }
+    file.close();
+    if (res.exec.isEmpty() || res.name.isEmpty() || !isApplication ||
+            !isGraphics) {
+        ok = false;
+    }
+    return res;
+}