[TD] Add TaskPanel for Balloons

TaskPanel can be open by double clicking either Balloon label on drawing
page or Balloon object in tree view.

src/Mod/TechDraw/Gui/TaskBalloon.cpp

@@ -0,0 +1,148 @@
+/***************************************************************************
+ *   Copyright (c) 2016 WandererFan <wandererfan@gmail.com>                *
+ *   Copyright (c) 2019 Franck Jullien <franck.jullien@gmail.com>          *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  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 Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "PreCompiled.h"
+
+#ifndef _PreComp_
+#include <cmath>
+#endif // #ifndef _PreComp_
+
+#include <Base/Console.h>
+#include <Base/Vector3D.h>
+
+#include <Gui/Application.h>
+#include <Gui/BitmapFactory.h>
+#include <Gui/Command.h>
+#include <Gui/Document.h>
+#include <Gui/Selection.h>
+#include <Gui/ViewProvider.h>
+
+#include <App/Application.h>
+#include <App/Document.h>
+#include <App/DocumentObject.h>
+
+#include <Mod/Part/App/PartFeature.h>
+
+#include <Mod/TechDraw/App/DrawViewBalloon.h>
+#include <Mod/TechDraw/App/DrawPage.h>
+#include <Mod/TechDraw/App/DrawUtil.h>
+
+#include <Mod/TechDraw/Gui/ui_TaskBalloon.h>
+
+#include "QGIViewBalloon.h"
+#include "TaskBalloon.h"
+
+using namespace Gui;
+using namespace TechDraw;
+using namespace TechDrawGui;
+
+TaskBalloon::TaskBalloon(QGIViewBalloon *parent) :
+    ui(new Ui_TaskBalloon)
+{
+    int i = 0;
+
+    m_parent = parent;
+
+    ui->setupUi(this);
+
+    QString qs = QString::number(parent->dvBalloon->SymbolScale.getValue(), 'f', 2);
+    ui->inputScale->setText(qs);
+
+    std::string value = parent->dvBalloon->Text.getValue();
+    qs = QString::fromUtf8(value.data(), value.size());
+    ui->inputValue->setText(qs);
+    ui->inputValue->selectAll();
+    QTimer::singleShot(0, ui->inputValue, SLOT(setFocus()));
+
+    i = ui->comboEndType->findText(QString::fromUtf8(parent->dvBalloon->EndType.getValueAsString()));
+    ui->comboEndType->setCurrentIndex(i);
+
+    i = ui->comboSymbol->findText(QString::fromUtf8(parent->dvBalloon->Symbol.getValueAsString()));
+    ui->comboSymbol->setCurrentIndex(i);
+}
+
+TaskBalloon::~TaskBalloon()
+{
+    delete ui;
+}
+
+
+bool TaskBalloon::accept()
+{
+        m_parent->dvBalloon->Text.setValue(ui->inputValue->text().toUtf8().constData());
+        m_parent->dvBalloon->SymbolScale.setValue(ui->inputScale->text().toDouble());
+        m_parent->dvBalloon->EndType.setValue(ui->comboEndType->currentText().toUtf8().constData());
+        m_parent->dvBalloon->Symbol.setValue(ui->comboSymbol->currentText().toUtf8().constData());
+        m_parent->updateView(true);
+
+    return true;
+}
+
+bool TaskBalloon::reject()
+{
+    return false;
+}
+
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+TaskDlgBalloon::TaskDlgBalloon(QGIViewBalloon *parent) :
+    TaskDialog()
+{
+    widget  = new TaskBalloon(parent);
+    taskbox = new Gui::TaskView::TaskBox(Gui::BitmapFactory().pixmap("TechDraw_Balloon"), widget->windowTitle(), true, 0);
+    taskbox->groupLayout()->addWidget(widget);
+    Content.push_back(taskbox);
+}
+
+TaskDlgBalloon::~TaskDlgBalloon()
+{
+}
+
+void TaskDlgBalloon::update()
+{
+    //widget->updateTask();
+}
+
+//==== calls from the TaskView ===============================================================
+void TaskDlgBalloon::open()
+{
+}
+
+void TaskDlgBalloon::clicked(int i)
+{
+    Q_UNUSED(i);
+}
+
+bool TaskDlgBalloon::accept()
+{
+    widget->accept();
+    return true;
+}
+
+bool TaskDlgBalloon::reject()
+{
+    widget->reject();
+    return true;
+}
+
+#include <Mod/TechDraw/Gui/moc_TaskBalloon.cpp>