Code refactor

More flexible tool API
Minor code format fixes
Clipboard freeze fixed(?)
Arrow correcly growing close to the start point
Improve maintainability
Add undo/redo stack

src/tools/save/savetool.cpp

@@ -0,0 +1,66 @@
+// Copyright(c) 2017-2018 Alejandro Sirgo Rica & Contributors
+//
+// 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 "savetool.h"
+#include "src/utils/screenshotsaver.h"
+#include <QPainter>
+
+SaveTool::SaveTool(QObject *parent) : AbstractActionTool(parent) {
+
+}
+
+bool SaveTool::closeOnButtonPressed() const {
+    return true;
+}
+
+QIcon SaveTool::icon(const QColor &background, bool inEditor) const {
+    Q_UNUSED(inEditor);
+    return QIcon(iconPath(background) + "content-save.png");
+}
+QString SaveTool::name() const {
+    return tr("Save");
+}
+
+QString SaveTool::nameID() {
+    return "";
+}
+
+QString SaveTool::description() const {
+    return tr("Save the capture");
+}
+
+CaptureTool* SaveTool::copy(QObject *parent) {
+    return new SaveTool(parent);
+}
+
+void SaveTool::pressed(const CaptureContext &context) {
+    // TODO blocks type and others
+    if (context.savePath.isEmpty()) {
+        emit requestAction(REQ_HIDE_GUI);
+        bool ok = ScreenshotSaver().saveToFilesystemGUI(
+                    context.selectedScreenshotArea());
+        if (ok) {
+            emit requestAction(REQ_CAPTURE_DONE_OK);
+        }
+    } else {
+        bool ok = ScreenshotSaver().saveToFilesystem(
+                    context.selectedScreenshotArea(), context.savePath);
+        if (ok) {
+            emit requestAction(REQ_CAPTURE_DONE_OK);
+        }
+    }
+}