Make buttons toggleable by single clicking

CircuitBuffer.h

@@ -1,15 +1,15 @@
 #ifndef CIRCUITBUFFER_H
 #define CIRCUITBUFFER_H
 
-class Part;
-class Wire;
-class Scene;
-
 #include <QList>
 #include <QPointF>
 
 #include "ePartType.h"
 
+class Part;
+class Wire;
+class Scene;
+
 class CircuitBuffer
 {
 public:

Connector.h

@@ -3,6 +3,7 @@
 
 #include <QGraphicsItem>
 #include <QList>
+
 #include "eConnectorType.h"
 
 class Part;

FileHandler.cpp

@@ -4,6 +4,7 @@
 #include <QTextStream>
 #include <QFile>
 #include <QDir>
+
 #include "Scene.h"
 #include "Part.h"
 #include "Wire.h"
@@ -14,8 +15,6 @@
 
 #include "Parts/IntegratedCircuit.h"
 
-#include <QDebug>
-
 FileHandler::FileHandler(Logic* logic)
     :m_logic(logic)
 {
@@ -74,11 +73,12 @@ bool FileHandler::open(QString filename)
 
     enum Sector
     {
+        None,
         Parts,
         Wires
     };
 
-    Sector currentSector;
+    Sector currentSector = None;
 
     // A .csim file stores all parts with IDs, this map simply keeps track of which ID corresponds to which pointer
     QMap<QString, Part*> idPartPointerMap;
@@ -116,6 +116,9 @@ bool FileHandler::open(QString filename)
             if(words.length() < 4)
                 return false;
 
+            if(currentSector == None)
+                return false;
+
             if(currentSector == Parts)
             {
                 PartType::PartType type = (PartType::PartType)words[1].toInt();

Label.cpp

@@ -2,12 +2,12 @@
 
 #include <QKeyEvent>
 #include <QGraphicsScene>
+#include <QTextCursor>
 
 Label::Label(QGraphicsItem* parent)
     :m_parentItem(parent)
 {
-    // TODO: Find out why I have to call setParentItem each time in recalculateTextAlignment
-    //setParentItem((QGraphicsItem*)m_parent);
+    setParentItem((QGraphicsItem*)m_parentItem);
     if(parent->scene() != nullptr)
         parent->scene()->addItem(this);
 }
@@ -46,10 +46,16 @@ void Label::keyPressEvent(QKeyEvent* event)
         recalculateTextAlignment();
 }
 
+void Label::focusOutEvent(QFocusEvent* event)
+{
+    QTextCursor tc = textCursor();
+    tc.clearSelection();
+    setTextCursor(tc);
+    QGraphicsTextItem::focusOutEvent(event);
+}
+
 void Label::recalculateTextAlignment()
 {
-    setParentItem(m_parentItem);
-
     if(m_alignMode & AlignMode::Right)
         setX( - boundingRect().width());
     else if(m_alignMode & AlignMode::HCenter)

Label.h

@@ -6,6 +6,10 @@
 
 #include "eAlignMode.h"
 
+QT_BEGIN_NAMESPACE
+class QFocusEvent;
+QT_END_NAMESPACE
+
 class Label : private QGraphicsTextItem
 {
 public:
@@ -23,7 +27,7 @@ private:
     AlignMode::AlignMode m_alignMode;
 
     void keyPressEvent(QKeyEvent* event) override;
-
+    void focusOutEvent(QFocusEvent* event) override;
     void recalculateTextAlignment();
 };
 

Logic.cpp

@@ -79,7 +79,6 @@ IntegratedCircuit* Logic::createIC(QString filename, QPointF pos)
         m_parentScene->addItem(ic);
     m_parts.append(ic);
     ic->setPos(pos);
-    ic->m_oldPos = pos;
     ic->m_partType = PartType::IntegratedCircuit;
     return ic;
 }
@@ -117,7 +116,6 @@ Part* Logic::createPart(PartType::PartType partType, QPointF pos)
         m_parentScene->addItem(part);
     m_parts.append(part);
     part->setPos(pos);
-    part->m_oldPos = pos;
     part->m_partType = partType;
 
     return part;

MainWindow.cpp

@@ -9,6 +9,8 @@
 #include <QTimer>
 #include <QCloseEvent>
 #include <QDir>
+#include <QUndoView>
+#include <QPushButton>
 
 #include "Connector.h"
 #include "Connector.h"

MainWindow.h

@@ -2,15 +2,13 @@
 #define MAINWINDOW_H
 
 #include <QMainWindow>
-#include <QGraphicsScene>
-#include <QToolButton>
-#include <QUndoStack>
-#include <QUndoView>
-#include <QPushButton>
 #include "eConnectorType.h"
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
+class QToolButton;
+class QUndoView;
+class QPushButton;
 QT_END_NAMESPACE
 
 class Connector;

Part.cpp

@@ -1,12 +1,11 @@
 #include "Part.h"
 
-#include <QDebug>
-
 #include <QPainter>
 #include <QStyleOptionGraphicsItem>
 #include <QGraphicsSceneDragDropEvent>
 #include <QLabel>
 #include <QGraphicsProxyWidget>
+#include <QtMath>
 
 #include "eAlignMode.h"
 #include "eConnectorType.h"
@@ -16,8 +15,6 @@
 #include "Logic.h"
 #include "Label.h"
 
-#include <QDebug>
-
 // PUBLIC
 Part::Part(Logic* logic, CircuitItemBaseShape baseShape)
     :m_logic(logic), m_baseShape(baseShape)
@@ -91,7 +88,7 @@ void Part::setWidth(int factor)
 
 void Part::recalculateLayout()
 {
-    // Return if the part isn't in any scene
+    // No need to recalculate any graphical things if this part isn't in any scene
     if(m_logic->parentScene() == nullptr)
         return;
     // Add inputs and outputs and position them correctly
@@ -215,6 +212,27 @@ QVariant Part::itemChange(GraphicsItemChange change, const QVariant & value)
     return QGraphicsItem::itemChange(change, value);
 }
 
+// PROTECTED
+void Part::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+    m_dragBeginPos = event->screenPos();
+    QGraphicsItem::mousePressEvent(event);
+}
+
+void Part::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+    QPointF deltaPos = event->screenPos() - m_dragBeginPos;
+    qreal dist = qSqrt(deltaPos.x()*deltaPos.x() + deltaPos.y()*deltaPos.y());
+    if(dist <= 5)
+    {
+        partClickedEvent();
+        return;
+    }
+    if(m_logic->parentScene() != nullptr)
+        m_logic->parentScene()->partMoved(deltaPos);
+    QGraphicsItem::mouseReleaseEvent(event);
+}
+
 // PRIVATE
 void Part::updateState()
 {

Part.h

@@ -3,7 +3,6 @@
 
 #include <QGraphicsItem>
 #include <QList>
-#include <QLineEdit>
 
 #include "ePartType.h"
 
@@ -59,9 +58,6 @@ public:
 
     void setWidth(int factor);
 
-    void addText(); //TODO
-    void addTextEdit(); //TODO
-
     void recalculateLayout();
 
     virtual QRectF boundingRect() const override;
@@ -70,7 +66,7 @@ public:
     // Symbol to be drawn inside the circuitItem
     virtual QPainterPath symbolPainterPath(QRect limits) = 0;
     virtual QVariant itemChange(GraphicsItemChange change, const QVariant & value) override;
-    // Take the inputs and calculate the outputs based on the part's logic
+    // Takes the inputs and calculates the outputs based on the part's logic
     virtual QVector<bool> compute(QVector<bool> inputs) = 0;
 
 protected:
@@ -87,12 +83,17 @@ protected:
 
     CircuitItemBaseShape m_baseShape;
 
-    QPointF m_oldPos;
+    QPointF m_dragBeginPos;
 
     PartType::PartType m_partType;
 
     int m_widthFactor;
 
+    virtual void partClickedEvent(){}
+
+    virtual void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
+    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
+
 private:
     // Updates all of the outputs using the inputs, called by Logic
     void updateState();

Parts/IntegratedCircuit.cpp

@@ -5,6 +5,7 @@
 #include "../Scene.h"
 #include "../Logic.h"
 #include "../Connector.h"
+
 #include "ToggleButton.h"
 #include "LightBulb.h"
 

Parts/ToggleButton.cpp

@@ -27,7 +27,7 @@ QPainterPath ToggleButton::symbolPainterPath(QRect limits)
     return QPainterPath();
 }
 
-void ToggleButton::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
+void ToggleButton::partClickedEvent()
 {
     m_toggleState = !m_toggleState;
     if(m_toggleState)
@@ -41,5 +41,4 @@ void ToggleButton::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
         m_brushColorSelected = Qt::GlobalColor::red;
     }
     update();
-    Part::mouseDoubleClickEvent(event);
 }

Parts/ToggleButton.h

@@ -14,9 +14,7 @@ public:
     QPainterPath symbolPainterPath(QRect limits) override;
 
 private:
-    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
-
-    QPointF m_dragBeginPos;
+    void partClickedEvent() override;
 
     bool m_toggleState = false;
 };

Scene.cpp

@@ -7,6 +7,8 @@
 #include "Connector.h"
 #include "Wire.h"
 #include "Part.h"
+#include "FileHandler.h"
+#include "Logic.h"
 
 #include "UndoCommands/AddPart.h"
 #include "UndoCommands/AddWire.h"
@@ -14,10 +16,6 @@
 #include "UndoCommands/RemoveParts.h"
 #include "UndoCommands/RemoveWire.h"
 
-#include "FileHandler.h"
-
-#include "Logic.h"
-
 
 Scene::Scene(QGraphicsView *parentGfxView, MainWindow *parentMainWindow)
     :m_parentMainWindow(parentMainWindow), m_parentGfxView(parentGfxView), m_logic(new Logic(this)), m_undoStack(new QUndoStack)
@@ -137,11 +135,6 @@ void Scene::moveParts(const QList<Part *>& parts, QPointF relPos)
 {
     m_undoStack->push(new MoveParts(this, parts, relPos));
 
-    for(auto part : parts)
-    {
-        part->m_oldPos = part->pos();
-    }
-
     m_parentMainWindow->changeMade();
 }
 
@@ -263,18 +256,11 @@ void Scene::removeConnectorsConnections(Connector *connector)
     }
 }
 
-void Scene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+void Scene::partMoved(QPointF delta)
 {
-    if (event->button() == Qt::LeftButton)
-    {
-        QList<QGraphicsItem*> movedItems = selectedItems();
-        if(!movedItems.isEmpty() && !(((Part*)movedItems[0])->pos() == ((Part*)movedItems[0])->m_oldPos))
-        {
-            QList<Part*> movedParts;
-            for(auto item : movedItems)
-                movedParts.append((Part*)item);
-            moveParts(movedParts, movedParts[0]->pos() - movedParts[0]->m_oldPos);
-        }
-    }
-    QGraphicsScene::mouseReleaseEvent(event);
+    QList<QGraphicsItem*> movedItems = selectedItems();
+    QList<Part*> movedParts;
+    for(auto item : movedItems)
+        movedParts.append((Part*)item);
+    moveParts(movedParts, delta);
 }

Scene.h

@@ -5,7 +5,6 @@
 // This includes things like undo, redo, etc...
 
 #include <QGraphicsScene>
-#include <QUndoStack>
 
 #include "ePartType.h"
 #include "CircuitBuffer.h"
@@ -91,8 +90,8 @@ private:
     void connectorClicked(Connector *connector);
     // Removal is done undoably
     void removeConnectorsConnections(Connector *connector);
-
-    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+    // Called by Part when moved by mouse. Only called by the Part that was under the mouse pointer while moved
+    void partMoved(QPointF delta);
 };
 
 #endif // SCENE_H

UndoCommands/AddPart.cpp

@@ -1,14 +1,12 @@
 #include "AddPart.h"
 
-#include "RemoveWire.h"
-
 #include "../Part.h"
 #include "../Connector.h"
 #include "../Scene.h"
 #include "../Logic.h"
 #include "../Parts/IntegratedCircuit.h"
 
-#include <QDebug>
+#include "RemoveWire.h"
 
 AddPart::AddPart(Scene* scene, PartType::PartType partType, QPointF pos, QString icFilename)
     :m_scene(scene), m_partType(partType), m_pos(pos), m_icFilename(icFilename)

UndoCommands/RemoveParts.cpp

@@ -4,6 +4,7 @@
 #include "../Part.h"
 #include "../Connector.h"
 #include "../Logic.h"
+
 #include "RemoveWire.h"
 
 RemoveParts::RemoveParts(Scene* scene, const QList<Part*>& parts)

UndoCommands/RemoveWire.cpp

@@ -4,7 +4,7 @@
 #include "../Logic.h"
 #include "../Wire.h"
 #include "../Part.h"
-#include "../Connector.h"\
+#include "../Connector.h"
 
 RemoveWire::RemoveWire(Scene* scene, Wire* wire)
     :m_scene(scene), m_wire(wire)

Wire.cpp

@@ -2,6 +2,7 @@
 
 #include <QPainter>
 #include <qdebug.h>
+
 #include "Connector.h"
 #include "eConnectorType.h"
 

main.cpp

@@ -1,6 +1,7 @@
-#include "MainWindow.h"
 #include <QApplication>
 
+#include "MainWindow.h"
+
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);