Making classes non-assignable

Following CppCheck recomendation, all classes that should not be manipulated by value are made non-assignable to ensure no mistake is made.

CMakeLists.txt

@@ -289,7 +289,7 @@ set(VMIX_SRCS
     Selection.cpp
     SessionSource.cpp
     SessionVisitor.cpp
-    GarbageVisitor.cpp
+    Interpolator.cpp
     SessionCreator.cpp
     Mixer.cpp
     FrameGrabber.cpp

FrameBuffer.h

@@ -24,6 +24,9 @@ public:
 
     FrameBufferImage(int w, int h);
     FrameBufferImage(jpegBuffer jpgimg);
+    // non assignable class
+    FrameBufferImage(FrameBufferImage const&) = delete;
+    FrameBufferImage& operator=(FrameBufferImage const&) = delete;
     ~FrameBufferImage();
 };
 
@@ -45,6 +48,7 @@ public:
 
     FrameBuffer(glm::vec3 resolution, bool useAlpha = false, bool multiSampling = false);
     FrameBuffer(uint width, uint height, bool useAlpha = false, bool multiSampling = false);
+    FrameBuffer(FrameBuffer const&) = delete;
     ~FrameBuffer();
 
     // Bind & push attribs to prepare draw

GeometryView.h

@@ -7,6 +7,9 @@ class GeometryView : public View
 {
 public:
     GeometryView();
+    // non assignable class
+    GeometryView(GeometryView const&) = delete;
+    GeometryView& operator=(GeometryView const&) = delete;
 
     void draw () override;
     void update (float dt) override;

ImGuiToolkit.cpp

@@ -1194,7 +1194,7 @@ struct InputTextCallback_UserData
 
 static int InputTextCallback(ImGuiInputTextCallbackData* data)
 {
-    InputTextCallback_UserData* user_data = (InputTextCallback_UserData*)data->UserData;
+    InputTextCallback_UserData* user_data = static_cast<InputTextCallback_UserData*>(data->UserData);
     if (data->EventFlag == ImGuiInputTextFlags_CallbackResize)
     {
 //        if (user_data->WordWrap > 1)

Interpolator.cpp

@@ -1,9 +1,27 @@
+
+#include <glm/gtc/matrix_access.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
+#include "defines.h"
+#include "Log.h"
+#include "ImageProcessingShader.h"
+
 #include "Interpolator.h"
 
+
 Interpolator::Interpolator(Source *subject, const SourceCore &target) :
-    subject_(subject), cursor_(0.f)
+    subject_(subject), from_(static_cast<SourceCore> (*subject)), to_(target), cursor_(0.f)
 {
-   from_ = static_cast<SourceCore> (*subject);
-   to_ = target;
+
+
+}
+
+
+void Interpolator::apply(float percent)
+{
+    cursor_ = CLAMP( percent, 0.f, 1.f);
+
+
+
 
 }

Interpolator.h

@@ -16,6 +16,7 @@ public:
 
     float cursor_;
 
+    void apply(float percent);
 
 };
 

LayerView.h

@@ -7,6 +7,9 @@ class LayerView : public View
 {
 public:
     LayerView();
+    // non assignable class
+    LayerView(LayerView const&) = delete;
+    LayerView& operator=(LayerView const&) = delete;
 
     void draw () override;
     void update (float dt) override;

MixingGroup.h

@@ -14,6 +14,9 @@ class MixingGroup
 
 public:
     MixingGroup (SourceList sources);
+    // non assignable class
+    MixingGroup(MixingGroup const&) = delete;
+    MixingGroup& operator=(MixingGroup const&) = delete;
     ~MixingGroup ();
 
     // Get unique id

MixingView.h

@@ -9,6 +9,9 @@ class MixingView : public View
 {
 public:
     MixingView();
+    // non assignable class
+    MixingView(MixingView const&) = delete;
+    MixingView& operator=(MixingView const&) = delete;
 
     void draw () override;
     void update (float dt) override;

NetworkSource.h

@@ -20,6 +20,7 @@ protected:
                                  const IpEndpointName& remoteEndpoint );
 public:
     inline void setParent(NetworkStream *s) { parent_ = s; }
+    StreamerResponseListener() : parent_(nullptr) {}
 };
 
 

Scene.h

@@ -239,6 +239,9 @@ class Scene  {
 
 public:
     Scene();
+    // non assignable class
+    Scene(Scene const&) = delete;
+    Scene& operator=(Scene const&) = delete;
     ~Scene();
 
     void accept (Visitor& v);

SessionVisitor.cpp

@@ -80,8 +80,8 @@ bool SessionVisitor::saveSession(const std::string& filename, Session *session)
 //    for( ; N ; N=N->NextSiblingElement())
 //        snapshots->InsertEndChild( N->DeepClone( &xmlDoc ));
 
-    XMLText *text = xmlDoc.NewText( Action::manager().snapshotsDescription() );
-    snapshots->InsertEndChild( text );
+    XMLText *desc = xmlDoc.NewText( Action::manager().snapshotsDescription() );
+    snapshots->InsertEndChild( desc );
     xmlDoc.InsertEndChild(snapshots);
 
     // 4. optional notes

Source.cpp

@@ -17,7 +17,7 @@
 
 #include "Source.h"
 
-SourceCore::SourceCore() : processingshader_(nullptr)
+SourceCore::SourceCore()
 {
     // default nodes
     groups_[View::RENDERING] = new Group;
@@ -40,6 +40,11 @@ SourceCore::SourceCore() : processingshader_(nullptr)
     renderingshader_ = static_cast<Shader *>(new ImageShader);
 }
 
+SourceCore::SourceCore(SourceCore const& other) : SourceCore()
+{
+    copy(other);
+}
+
 SourceCore::~SourceCore()
 {
     // all groups and their children are deleted in the scene
@@ -61,6 +66,22 @@ SourceCore::~SourceCore()
     groups_.clear();
 }
 
+void SourceCore::copy(SourceCore const& other)
+{
+    // copy groups properties
+    groups_[View::RENDERING]->copyTransform( other.group(View::RENDERING) );
+    groups_[View::MIXING]->copyTransform( other.group(View::MIXING) );
+    groups_[View::GEOMETRY]->copyTransform( other.group(View::GEOMETRY) );
+    groups_[View::LAYER]->copyTransform( other.group(View::LAYER) );
+    groups_[View::TEXTURE]->copyTransform( other.group(View::TEXTURE) );
+    groups_[View::TRANSITION]->copyTransform( other.group(View::TRANSITION) );
+    stored_status_->copyTransform( other.stored_status_ );
+
+    // copy shader properties
+    processingshader_->copy(*other.processingshader_);
+    renderingshader_->copy(*other.renderingshader_);
+}
+
 void SourceCore::store (View::Mode m)
 {
    stored_status_->copyTransform(groups_[m]);
@@ -69,18 +90,7 @@ void SourceCore::store (View::Mode m)
 SourceCore& SourceCore::operator= (SourceCore const& other)
 {
     if (this != &other) {  // no self assignment
-        // copy groups properties
-        groups_[View::RENDERING]->copyTransform( other.group(View::RENDERING) );
-        groups_[View::MIXING]->copyTransform( other.group(View::MIXING) );
-        groups_[View::GEOMETRY]->copyTransform( other.group(View::GEOMETRY) );
-        groups_[View::LAYER]->copyTransform( other.group(View::LAYER) );
-        groups_[View::TEXTURE]->copyTransform( other.group(View::TEXTURE) );
-        groups_[View::TRANSITION]->copyTransform( other.group(View::TRANSITION) );
-        stored_status_->copyTransform( other.stored_status_ );
-
-        // copy shader properties
-        processingshader_->copy(*other.processingshader_);
-        renderingshader_->copy(*other.renderingshader_);
+        copy(other);
     }
     return *this;
 }

Source.h

@@ -27,6 +27,8 @@ class SourceCore
 {
 public:
     SourceCore();
+    SourceCore(SourceCore const&);
+    SourceCore& operator= (SourceCore const& other);
     virtual ~SourceCore();
 
     // get handle on the nodes used to manipulate the source in a view
@@ -39,8 +41,6 @@ public:
     // a Source always has an image processing shader
     inline ImageProcessingShader *processingShader () const { return processingshader_; }
 
-    SourceCore& operator= (SourceCore const& other);
-
 protected:
     // nodes
     std::map<View::Mode, Group*> groups_;
@@ -51,6 +51,8 @@ protected:
     // pointer to the currently attached shader
     // (will be processingshader_ if image processing is enabled)
     Shader *renderingshader_;
+
+    void copy(SourceCore const& other);
 };
 
 class Source : public SourceCore
@@ -69,6 +71,9 @@ public:
     // create a source and add it to the list
     // only subclasses of sources can actually be instanciated
     Source (uint64_t id = 0);
+    // non assignable class
+    Source(Source const&) = delete;
+    Source& operator=(Source const&) = delete;
     virtual ~Source ();
 
     // Get unique id

TextureView.h

@@ -8,6 +8,9 @@ class TextureView : public View
 {
 public:
     TextureView();
+    // non assignable class
+    TextureView(TextureView const&) = delete;
+    TextureView& operator=(TextureView const&) = delete;
 
     void draw () override;
     void update (float dt) override;

TransitionView.h

@@ -7,6 +7,9 @@ class TransitionView : public View
 {
 public:
     TransitionView();
+    // non assignable class
+    TransitionView(TransitionView const&) = delete;
+    TransitionView& operator=(TransitionView const&) = delete;
 
     void draw () override;
     void update (float dt) override;

UserInterfaceManager.cpp

@@ -100,7 +100,7 @@ UserInterface::UserInterface()
     show_opengl_about = false;
     show_view_navigator  = 0;
     target_view_navigator = 1;
-    currentTextEdit = "";
+    currentTextEdit.clear();
     screenshot_step = 0;
 
     // keep hold on frame grabbers