Resolved issue #366. Update 'Point from Distance and Angle' tool to read

distance and angle between points.

--HG--
branch : develop

ChangeLog.txt

@@ -1,4 +1,5 @@
 # Version 0.5.0
+- [#366] Update 'Point from Distance and Angle' tool to read distance and angle between points.
 - [#395] Create Curve tool which uses point as control handle.
 - pdftops updated to version 3.04.
 - [#306] Layout generator optimization. Divide into strips.

src/libs/vtools/dialogs/tools/dialogendline.cpp

@@ -286,7 +286,7 @@ void DialogEndLine::ShowDialog(bool click)
             QLineF line = QLineF(point->toQPointF(), scene->getScenePos());
 
             //Radius of point circle, but little bigger. Need handle with hover sizes.
-            qreal radius = ToPixel(DefPointRadius/*mm*/, Unit::Mm)*1.5;
+            const qreal radius = ToPixel(DefPointRadius/*mm*/, Unit::Mm)*1.5;
             if (line.length() <= radius)
             {
                 return;
@@ -298,6 +298,7 @@ void DialogEndLine::ShowDialog(bool click)
         SCASSERT(line != nullptr);
 
         this->SetAngle(line->Angle());//Show in dialog angle what user choose
+        this->SetFormula(line->Length());
         emit ToolTip("");
         timerFormula->start();
         this->show();

src/libs/vtools/visualization/vistoolendline.cpp

@@ -53,7 +53,15 @@ void VisToolEndLine::RefreshGeometry()
     QLineF line;
     if (qFuzzyIsNull(length))
     {
-        line = QLineF(first->toQPointF(), Ray(first->toQPointF()));
+        if (QGuiApplication::keyboardModifiers() == Qt::ShiftModifier)
+        {
+            line = QLineF(first->toQPointF(), Visualization::scenePos);
+            line.setAngle(CorrectAngle(line.angle()));
+        }
+        else
+        {
+            line = QLineF(first->toQPointF(), Visualization::scenePos);
+        }
     }
     else
     {
@@ -61,8 +69,12 @@ void VisToolEndLine::RefreshGeometry()
         DrawPoint(point, line.p2(), mainColor);
     }
     DrawLine(this, line, mainColor, lineStyle);
-    Visualization::toolTip = QString(tr("<b>Point at distance and angle</b>: angle = %1°; <b>Shift</b> - "
-                                        "sticking angle, <b>Enter</b> - finish creation")).arg(this->line().angle());
+    static const QString prefix = VDomDocument::UnitsToStr(qApp->patternUnit(), true);
+    Visualization::toolTip = QString(tr("<b>Point at distance and angle</b>: angle = %1°, length = %2%3; "
+                                        "<b>Shift</b> - sticking angle, <b>Enter</b> - finish creation"))
+            .arg(this->line().angle())
+            .arg(qApp->TrVars()->FormulaToUser(QString::number(qApp->fromPixel(this->line().length()))))
+            .arg(prefix);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -77,6 +89,12 @@ void VisToolEndLine::SetAngle(const QString &expression)
     angle = FindVal(expression, Visualization::data->PlainVariables());
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+QString VisToolEndLine::Length() const
+{
+    return QString::number(qApp->fromPixel(this->line().length()));
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VisToolEndLine::setLength(const QString &expression)
 {

src/libs/vtools/visualization/vistoolendline.h

@@ -41,9 +41,13 @@ public:
     virtual ~VisToolEndLine() Q_DECL_OVERRIDE;
 
     virtual void RefreshGeometry() Q_DECL_OVERRIDE;
+
     QString      Angle() const;
     void         SetAngle(const QString &expression);
+
+    QString      Length() const;
     void         setLength(const QString &expression);
+
     virtual int  type() const Q_DECL_OVERRIDE {return Type;}
     enum { Type = UserType + static_cast<int>(Vis::ToolEndLine)};
 private: