Use nullptr instead of 0 to initialize a pointer values

ChangeLog

@@ -1,6 +1,7 @@
 2018-12-09  Markus Gans  <guru.mail@muenster.de>
 	* Better handling of the scrollbar maximum
 	* Deactivate copy constructor and assignment operator with "= delete"
+	* Use nullptr instead of 0 to initialize a pointer values
 
 2018-12-06  Markus Gans  <guru.mail@muenster.de>
 	* Easier handling of fc::SpecialCharacter

examples/Makefile.clang

@@ -29,7 +29,7 @@ endif
 all: $(OBJS)
 
 debug:
-	$(MAKE) $(MAKEFILE) DEBUG="-g -D DEBUG -Wall -Wextra -Wpedantic -Weverything -Wpadded -Wno-c++98-compat -Wno-implicit-fallthrough -Wno-reserved-id-macro"
+	$(MAKE) $(MAKEFILE) DEBUG="-g -D DEBUG -Wall -Wextra -Wpedantic -Weverything -Wpadded -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-implicit-fallthrough -Wno-reserved-id-macro"
 
 profile:
 	$(MAKE) $(MAKEFILE) PROFILE="-pg"

examples/calculator.cpp

@@ -43,7 +43,7 @@ class Button : public finalcut::FButton
 {
   public:
     // Constructor
-    explicit Button (FWidget* = 0);
+    explicit Button (FWidget* = nullptr);
 
     // Method
     void setChecked(bool);
@@ -111,7 +111,7 @@ class Calc : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit Calc (finalcut::FWidget* parent = 0);
+    explicit Calc (finalcut::FWidget* parent = nullptr);
 
     // Destructor
     ~Calc();

examples/checklist.cpp

@@ -39,7 +39,7 @@ class CheckList : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit CheckList (finalcut::FWidget* = 0);
+    explicit CheckList (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     CheckList (const CheckList&) = delete;
     // Destructor

examples/keyboard.cpp

@@ -30,7 +30,7 @@ class Keyboard : public finalcut::FWidget
 {
   public:
     // Constructor
-    explicit Keyboard (finalcut::FWidget* = 0);
+    explicit Keyboard (finalcut::FWidget* = nullptr);
 
   protected:
     // Event handlers

examples/listbox.cpp

@@ -29,7 +29,7 @@
 
 
 // Global application object
-static finalcut::FString* temp_str = 0;
+static finalcut::FString* temp_str = nullptr;
 
 
 // Function prototypes
@@ -77,7 +77,7 @@ class Listbox : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit Listbox (FWidget* = 0);
+    explicit Listbox (FWidget* = nullptr);
     // Disable copy constructor
     Listbox (const Listbox&) = delete;
     // Destructor

examples/listview.cpp

@@ -39,7 +39,7 @@ class Listview : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit Listview (finalcut::FWidget* = 0);
+    explicit Listview (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     Listview (const Listview&) = delete;
     // Destructor

examples/mandelbrot.cpp

@@ -34,7 +34,7 @@ class Mandelbrot : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit Mandelbrot (finalcut::FWidget* = 0);
+    explicit Mandelbrot (finalcut::FWidget* = nullptr);
 
     // Destructor
     ~Mandelbrot();

examples/menu.cpp

@@ -34,7 +34,7 @@ class Menu : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit Menu (finalcut::FWidget* = 0);
+    explicit Menu (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     Menu (const Menu&) = delete;
     // Destructor

examples/mouse.cpp

@@ -34,7 +34,7 @@ class ColorChooser : public finalcut::FWidget
 {
   public:
     // Constructor
-    explicit ColorChooser (finalcut::FWidget* = 0);
+    explicit ColorChooser (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     ColorChooser (const ColorChooser&) = delete;
     // Destructor
@@ -170,7 +170,7 @@ class Brushes : public finalcut::FWidget
 {
   public:
     // Constructor
-    explicit Brushes (finalcut::FWidget* = 0);
+    explicit Brushes (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     Brushes (const Brushes&) = delete;
     // Destructor
@@ -308,7 +308,7 @@ class MouseDraw : public finalcut::FDialog
     using FWidget::setGeometry;
 
     // Constructor
-    explicit MouseDraw (finalcut::FWidget* = 0);
+    explicit MouseDraw (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     MouseDraw (const MouseDraw&) = delete;
     // Destructor
@@ -339,7 +339,7 @@ class MouseDraw : public finalcut::FDialog
     void cb_colorChanged (finalcut::FWidget*, data_ptr);
 
     // Data Members
-    term_area*   canvas{0};
+    term_area*   canvas{nullptr};
     ColorChooser c_chooser{this};
     Brushes      brush{this};
 };

examples/opti-move.cpp

@@ -30,7 +30,7 @@
 static finalcut::FVTerm* terminal;
 
 // Global FApplication object
-static finalcut::FApplication* app;
+static finalcut::FApplication* app = nullptr;
 
 // function prototype
 bool keyPressed();
@@ -201,5 +201,5 @@ int main (int argc, char* argv[])
 
   // Waiting for keypress
   keyPressed();
-  app = 0;  // End of TermApp object scope
+  app = nullptr;  // End of TermApp object scope
 }

examples/scrollview.cpp

@@ -34,7 +34,7 @@ class Scrollview : public finalcut::FScrollView
 {
   public:
     // Constructor
-    explicit Scrollview (finalcut::FWidget* = 0);
+    explicit Scrollview (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     Scrollview (const Scrollview&) = delete;
     // Destructor
@@ -189,7 +189,7 @@ class Scrollviewdemo : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit Scrollviewdemo (finalcut::FWidget* = 0);
+    explicit Scrollviewdemo (finalcut::FWidget* = nullptr);
 
     // Destructor
     ~Scrollviewdemo();
@@ -198,7 +198,7 @@ class Scrollviewdemo : public finalcut::FDialog
     virtual void onClose (finalcut::FCloseEvent*);
 
     // Callback method
-    void cb_quit (finalcut::FWidget* = 0, data_ptr = 0);
+    void cb_quit (finalcut::FWidget* = nullptr, data_ptr = nullptr);
 
     // Data Members
     Scrollview sview{this};

examples/string-operations.cpp

@@ -187,7 +187,7 @@ void streamingFromFStringExample()
   std::wcout << "stream out: " << stream_wstring << std::endl;
 
   // ...to wide character
-  wchar_t stream_wchar_t = 0;
+  wchar_t stream_wchar_t = L'\0';
   finalcut::FString("w") >> stream_wchar_t;
   std::wcout << "stream out: " << stream_wchar_t << std::endl;
 

examples/term-attributes.cpp

@@ -34,7 +34,7 @@ class AttribDlg : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit AttribDlg (finalcut::FWidget* = 0);
+    explicit AttribDlg (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     AttribDlg (const AttribDlg&) = delete;
     // Destructor
@@ -49,8 +49,8 @@ class AttribDlg : public finalcut::FDialog
     virtual void onClose (finalcut::FCloseEvent*);
 
     // Callback methods
-    void cb_next (finalcut::FWidget* = 0, data_ptr = 0);
+    void cb_next (finalcut::FWidget* = nullptr, data_ptr = nullptr);
-    void cb_back (finalcut::FWidget* = 0, data_ptr = 0);
+    void cb_back (finalcut::FWidget* = nullptr, data_ptr = nullptr);
 
     // Data Members
     FColor bgcolor;
@@ -185,7 +185,7 @@ class AttribDemo : public finalcut::FWidget
 {
   public:
     // Constructor
-    explicit AttribDemo (FWidget* = 0);
+    explicit AttribDemo (FWidget* = nullptr);
 
     // Destructor
     ~AttribDemo()

examples/termcap.cpp

@@ -313,7 +313,7 @@ int main (int argc, char* argv[])
   // Pointer to the global virtual terminal object
   terminal = static_cast<finalcut::FVTerm*>(&TermApp);
 
-  finalcut::FTermcap::tcap_map* tcap = 0;
+  finalcut::FTermcap::tcap_map* tcap = nullptr;
   tcap = finalcut::FTermcap::getTermcapMap();
 
   std::cout << "--------\r\nFTermcap\r\n--------\r\n\n";

examples/timer.cpp

@@ -31,7 +31,7 @@ class Timer : public finalcut::FWidget
 {
   public:
     // Constructor
-    explicit Timer (finalcut::FWidget* = 0);
+    explicit Timer (finalcut::FWidget* = nullptr);
 
   protected:
     // Method

examples/transparent.cpp

@@ -42,7 +42,8 @@ class Transparent : public finalcut::FDialog
     } trans_type;
 
     // Constructor
-    explicit Transparent (finalcut::FWidget* = 0, trans_type = transparent);
+    explicit Transparent ( finalcut::FWidget* = nullptr
+                         , trans_type = transparent );
     // Disable copy constructor
     Transparent (const Transparent&) = delete;
     // Destructor
@@ -149,7 +150,7 @@ class MainWindow : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit MainWindow (finalcut::FWidget* = 0);
+    explicit MainWindow (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     MainWindow (const MainWindow&) = delete;
     // Destructor
@@ -183,9 +184,9 @@ class MainWindow : public finalcut::FDialog
     // Data Members
     finalcut::FString line1{};
     finalcut::FString line2{};
-    Transparent* transpwin{0};
+    Transparent* transpwin{nullptr};
-    Transparent* shadowwin{0};
+    Transparent* shadowwin{nullptr};
-    Transparent* ibg{0};
+    Transparent* ibg{nullptr};
     finalcut::FStatusBar status_bar{this};
 };
 #pragma pack(pop)

examples/treeview.cpp

@@ -114,7 +114,7 @@ class Treeview : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit Treeview (finalcut::FWidget* = 0);
+    explicit Treeview (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     Treeview (const Treeview&) = delete;
     // Destructor

examples/ui.cpp

@@ -38,7 +38,7 @@ class ProgressDialog : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit ProgressDialog (finalcut::FWidget* = 0);
+    explicit ProgressDialog (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     ProgressDialog (const ProgressDialog&) = delete;
     // Destructor
@@ -181,7 +181,7 @@ class TextWindow : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit TextWindow (finalcut::FWidget* = 0);
+    explicit TextWindow (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     TextWindow (const TextWindow&) = delete;
     // Destructor
@@ -249,7 +249,7 @@ class MyDialog : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit MyDialog (finalcut::FWidget* = 0);
+    explicit MyDialog (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     MyDialog (const MyDialog&) = delete;
     // Destructor

examples/watch.cpp

@@ -35,7 +35,7 @@ class Watch : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit Watch (finalcut::FWidget* = 0);
+    explicit Watch (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     Watch (const Watch&) = delete;
     // Destructor

examples/windows.cpp

@@ -35,7 +35,7 @@ class SmallWindow : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit SmallWindow (finalcut::FWidget* = 0);
+    explicit SmallWindow (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     SmallWindow (const SmallWindow&) = delete;
     // Destructor
@@ -164,7 +164,7 @@ class Window : public finalcut::FDialog
 {
   public:
     // Constructor
-    explicit Window (finalcut::FWidget* = 0);
+    explicit Window (finalcut::FWidget* = nullptr);
     // Disable copy constructor
     Window (const Window&) = delete;
     // Destructor
@@ -181,11 +181,7 @@ class Window : public finalcut::FDialog
     struct win_data
     {
         // Constructor
-        win_data()
+        win_data() = default;
-          : is_open(false)
-          , title()
-          , dgl(0)
-        { }
         // Disable copy constructor
         win_data (const win_data&) = delete;
 
@@ -193,9 +189,9 @@ class Window : public finalcut::FDialog
         win_data& operator = (const win_data&) = delete;
 
         // Data Members
-        bool is_open;
+        bool is_open{false};
-        finalcut::FString title;
+        finalcut::FString title{};
-        SmallWindow* dgl;
+        SmallWindow* dgl{nullptr};
     };
 
     // Method
@@ -552,7 +548,7 @@ void Window::cb_destroyWindow (finalcut::FWidget*, data_ptr data)
   if ( win_dat )
   {
     win_dat->is_open = false;
-    win_dat->dgl = 0;
+    win_dat->dgl = nullptr;
   }
 }
 

src/Makefile.clang

@@ -149,7 +149,7 @@ all: dep $(OBJS)
 $(LIB): all
 
 debug:
-	$(MAKE) $(MAKEFILE) DEBUG="-g -D DEBUG -Wall -Wextra -Wpedantic -Weverything -Wpadded -Wno-c++98-compat -Wno-implicit-fallthrough -Wno-reserved-id-macro"
+	$(MAKE) $(MAKEFILE) DEBUG="-g -D DEBUG -Wall -Wextra -Wpedantic -Weverything -Wpadded -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-implicit-fallthrough -Wno-reserved-id-macro"
 
 profile:
 	$(MAKE) $(MAKEFILE) PROFILE="-pg"

src/fapplication.cpp

@@ -32,26 +32,26 @@ namespace finalcut
 {
 
 // Global application object
-static FApplication* app_object = 0;
+static FApplication* app_object = nullptr;
 
 // Flag to exit the local event loop
 static bool app_exit_loop = false;
 
 // Static attributes
-FWidget*       FWidget::main_widget          = 0;  // main application widget
+FWidget*       FWidget::main_widget          = nullptr;  // main application widget
-FWidget*       FWidget::active_window        = 0;  // the active window
+FWidget*       FWidget::active_window        = nullptr;  // the active window
-FWidget*       FWidget::focus_widget         = 0;  // has keyboard input focus
+FWidget*       FWidget::focus_widget         = nullptr;  // has keyboard input focus
-FWidget*       FWidget::clicked_widget       = 0;  // is focused by click
+FWidget*       FWidget::clicked_widget       = nullptr;  // is focused by click
-FWidget*       FWidget::open_menu            = 0;  // currently open menu
+FWidget*       FWidget::open_menu            = nullptr;  // currently open menu
-FWidget*       FWidget::move_size_widget     = 0;  // move/size by keyboard
+FWidget*       FWidget::move_size_widget     = nullptr;  // move/size by keyboard
-FWidget*       FApplication::keyboard_widget = 0;  // has the keyboard focus
+FWidget*       FApplication::keyboard_widget = nullptr;  // has the keyboard focus
-FKeyboard*     FApplication::keyboard        = 0;  // keyboard access
+FKeyboard*     FApplication::keyboard        = nullptr;  // keyboard access
-FMouseControl* FApplication::mouse           = 0;  // mouse control
+FMouseControl* FApplication::mouse           = nullptr;  // mouse control
 int            FApplication::loop_level      = 0;  // event loop level
 int            FApplication::quit_code       = 0;
 bool           FApplication::quit_now        = false;
 
-FApplication::eventQueue*    FApplication::event_queue = 0;
+FApplication::eventQueue* FApplication::event_queue = nullptr;
 
 
 //----------------------------------------------------------------------
@@ -87,7 +87,7 @@ FApplication::~FApplication()  // destructor
   if ( event_queue )
     delete event_queue;
 
-  app_object = 0;
+  app_object = nullptr;
 }
 
 
@@ -498,7 +498,7 @@ inline void FApplication::findKeyboardWidget()
 {
   // Find the widget that has the keyboard focus
 
-  FWidget* widget = 0;
+  FWidget* widget = nullptr;
   FWidget* focus = getFocusWidget();
   FWidget* move_size = getMoveSizeWidget();
 

src/fbutton.cpp

@@ -618,7 +618,7 @@ inline void FButton::drawButtonTextLine (wchar_t button_text[])
   else
     center_offset = (getWidth() - txtlength - 1) / 2;
 
-  // Print button text line --------
+  // Print button text line
   for (pos = 0; pos < center_offset; pos++)
     print (space_char);  // █
 

src/fdialog.cpp

@@ -53,9 +53,9 @@ FDialog::~FDialog()  // destructor
   FApplication* fapp = static_cast<FApplication*>(getRootWidget());
   bool is_quit = fapp->isQuit();
   delete dialog_menu;
-  dgl_menuitem = 0;
+  dgl_menuitem = nullptr;
   delete accelerator_list;
-  accelerator_list = 0;
+  accelerator_list = nullptr;
 
   if ( ! is_quit )
     switchToPrevWindow(this);
@@ -779,7 +779,7 @@ void FDialog::draw()
   if ( tooltip && ! getMoveSizeWidget() )
   {
     delete tooltip;
-    tooltip = 0;
+    tooltip = nullptr;
   }
 
   // Fill the background
@@ -1623,7 +1623,7 @@ inline void FDialog::acceptMoveSize()
   if ( tooltip )
     delete tooltip;
 
-  tooltip = 0;
+  tooltip = nullptr;
   redraw();
 }
 
@@ -1635,7 +1635,7 @@ inline void FDialog::cancelMoveSize()
   if ( tooltip )
     delete tooltip;
 
-  tooltip = 0;
+  tooltip = nullptr;
   setPos (save_geometry.getPos());
 
   if ( isResizeable() )

src/fkeyboard.cpp

@@ -34,7 +34,7 @@ long FKeyboard::key_timeout = 100000;  // 100 ms (default timeout for keypress)
 struct timeval FKeyboard::time_keypressed{};
 
 #if defined(__linux__)
-  FTermLinux* FKeyboard::linux = 0;
+  FTermLinux* FKeyboard::linux = nullptr;
 #endif
 
 //----------------------------------------------------------------------

src/flabel.cpp

@@ -348,7 +348,7 @@ void FLabel::onAccel (FAccelEvent* ev)
 //----------------------------------------------------------------------
 void FLabel::cb_accel_widget_destroyed (FWidget*, data_ptr)
 {
-  accel_widget = 0;
+  accel_widget = nullptr;
   delAccelerator();
 }
 

src/flistview.cpp

@@ -1128,7 +1128,7 @@ void FListView::onMouseUp (FMouseEvent* ev)
 
   clicked_expander_pos.setPoint(-1, -1);
   clicked_header_pos.setPoint(-1, -1);
-  clicked_checkbox_item = 0;
+  clicked_checkbox_item = nullptr;
 }
 
 //----------------------------------------------------------------------

src/fmenu.cpp

@@ -183,7 +183,7 @@ void FMenu::onKeyPress (FKeyEvent* ev)
 //----------------------------------------------------------------------
 void FMenu::onMouseDown (FMouseEvent* ev)
 {
-  shown_sub_menu = 0;
+  shown_sub_menu = nullptr;
 
   if ( ev->getButton() != fc::LeftButton )
   {
@@ -269,7 +269,7 @@ void FMenu::onMouseMove (FMouseEvent* ev)
     isMouseOverMenuBar (ev->getTermPos())
   };
 
-  shown_sub_menu = 0;
+  shown_sub_menu = nullptr;
 
   // Mouse pointer over an entry in the menu list
   mouseMoveOverList (ev->getPos(), ms);
@@ -611,7 +611,7 @@ void FMenu::closeOpenedSubMenu()
 
   opened_sub_menu->hideSubMenus();
   opened_sub_menu->hide();
-  opened_sub_menu = 0;
+  opened_sub_menu = nullptr;
 }
 
 //----------------------------------------------------------------------
@@ -622,7 +622,7 @@ void FMenu::hideSubMenus()
   {
     opened_sub_menu->hideSubMenus();
     opened_sub_menu->hide();
-    opened_sub_menu = 0;
+    opened_sub_menu = nullptr;
   }
 
   unselectItem();

src/fmenuitem.cpp

@@ -459,7 +459,7 @@ void FMenuItem::onAccel (FAccelEvent* ev)
   else
   {
     unsetSelected();
-    mbar->selected_item = 0;
+    mbar->selected_item = nullptr;
     mbar->redraw();
     processClicked();
     mbar->drop_down = false;
@@ -536,7 +536,7 @@ FMenuList* FMenuItem::getFMenuList (FWidget& widget)
     menu_list = static_cast<FMenuList*>(Menubar);
   }
   else
-    menu_list = 0;
+    menu_list = nullptr;
 
   return menu_list;
 }
@@ -751,7 +751,7 @@ void FMenuItem::cb_destroyDialog (FWidget* widget, data_ptr)
   {
     delAccelerator(win);
     delCallback(win);
-    associated_window = 0;
+    associated_window = nullptr;
   }
 }
 

src/fobject.cpp

@@ -27,8 +27,8 @@ namespace finalcut
 
 // static class attributes
 bool                FObject::timer_modify_lock;
-FObject::TimerList* FObject::timer_list = 0;
+FObject::TimerList* FObject::timer_list = nullptr;
-const FString* fc::emptyFString::empty_string = 0;
+const FString* fc::emptyFString::empty_string = nullptr;
 
 //----------------------------------------------------------------------
 // class FObject
@@ -71,7 +71,7 @@ FObject::~FObject()  // destructor
   if ( ! has_parent && timer_list )
   {
     delete timer_list;
-    timer_list = 0;
+    timer_list = nullptr;
   }
 
   if ( ! has_parent && ! fc::emptyFString::isNull() )
@@ -80,22 +80,16 @@ FObject::~FObject()  // destructor
   // Delete children objects
   if ( hasChildren() )
   {
-    constFObjectIterator iter, last;
+    auto delete_list = children_list;
-    FObjectList delete_list = children_list;
-    iter = delete_list.begin();
-    last = delete_list.end();
 
-    while ( iter != last )
+    for (auto&& obj : delete_list)
-    {
+      delete obj;
-      delete *iter;
-      ++iter;
-    }
   }
 
   if ( parent_obj )
     parent_obj->delChild(this);
 
-  parent_obj = 0;
+  parent_obj = nullptr;
 }
 
 // public methods of FObject
@@ -110,8 +104,7 @@ FObject* FObject::getChild (int index) const
   if ( index <= 0 || index > numOfChildren() )
     return 0;
 
-  constFObjectIterator iter;
+  auto iter = begin();
-  iter = begin();
   std::advance (iter, index - 1);
   return *iter;
 }
@@ -121,7 +114,7 @@ bool FObject::isChild (FObject* obj) const
 {
   // Find out if obj is a child object of mine
 
-  FObject* p_obj = 0;
+  FObject* p_obj = nullptr;
 
   while ( obj && (p_obj = obj->getParent()) )
   {
@@ -169,7 +162,7 @@ void FObject::delChild (FObject* obj)
 
   if ( hasChildren() )
   {
-    obj->parent_obj = 0;
+    obj->parent_obj = nullptr;
     obj->has_parent = false;
     children_list.remove(obj);
   }
@@ -233,7 +226,6 @@ int FObject::addTimer (int interval)
   // Create a timer and returns the timer identifier number
   // (interval in ms)
 
-  FObject::TimerList::iterator iter, last;
   timeval time_interval;
   timeval currentTime;
   int id = 1;
@@ -242,8 +234,8 @@ int FObject::addTimer (int interval)
   // find an unused timer id
   if ( ! timer_list->empty() )
   {
-    iter = timer_list->begin();
+    auto iter = timer_list->begin();
-    last = timer_list->end();
+    auto last = timer_list->end();
 
     while ( iter != last )
     {
@@ -267,8 +259,8 @@ int FObject::addTimer (int interval)
   timer_data t = { id, time_interval, timeout, this };
 
   // insert in list sorted by timeout
-  iter = timer_list->begin();
+  auto iter = timer_list->begin();
-  last = timer_list->end();
+  auto last = timer_list->end();
 
   while ( iter != last && iter->timeout < t.timeout )
     ++iter;
@@ -284,14 +276,12 @@ bool FObject::delTimer (int id)
 {
   // Deletes a timer by using the timer identifier number
 
-  FObject::TimerList::iterator iter, last;
-
   if ( id <= 0 )
     return false;
 
   timer_modify_lock = true;
-  iter = timer_list->begin();
+  auto iter = timer_list->begin();
-  last = timer_list->end();
+  auto last = timer_list->end();
 
   while ( iter != last && iter->id != id )
     ++iter;
@@ -312,8 +302,6 @@ bool FObject::delOwnTimer()
 {
   // Deletes all timers of this object
 
-  FObject::TimerList::iterator iter;
-
   if ( ! timer_list )
     return false;
 
@@ -321,7 +309,7 @@ bool FObject::delOwnTimer()
     return false;
 
   timer_modify_lock = true;
-  iter = timer_list->begin();
+  auto iter = timer_list->begin();
 
   while ( iter != timer_list->end() )
   {
@@ -375,7 +363,6 @@ void FObject::onTimer (FTimerEvent*)
 //----------------------------------------------------------------------
 uInt FObject::processTimerEvent()
 {
-  FObject::TimerList::iterator iter, last;
   timeval currentTime;
   uInt activated = 0;
 
@@ -390,27 +377,23 @@ uInt FObject::processTimerEvent()
   if ( timer_list->empty() )
     return 0;
 
-  iter = timer_list->begin();
+  for (auto&& timer : *timer_list)
-  last  = timer_list->end();
-
-  while ( iter != last )
   {
-    if ( ! iter->id
+    if ( ! timer.id
-      || ! iter->object
+      || ! timer.object
-      || currentTime < iter->timeout )  // no timer expired
+      || currentTime < timer.timeout )  // no timer expired
       break;
 
-    iter->timeout += iter->interval;
+    timer.timeout += timer.interval;
 
-    if ( iter->timeout < currentTime )
+    if ( timer.timeout < currentTime )
-      iter->timeout = currentTime + iter->interval;
+      timer.timeout = currentTime + timer.interval;
 
-    if ( iter->interval.tv_usec > 0 || iter->interval.tv_sec > 0 )
+    if ( timer.interval.tv_usec > 0 || timer.interval.tv_sec > 0 )
       activated++;
 
-    FTimerEvent t_ev(fc::Timer_Event, iter->id);
+    FTimerEvent t_ev(fc::Timer_Event, timer.id);
-    performTimerAction (iter->object, &t_ev);
+    performTimerAction (timer.object, &t_ev);
-    ++iter;
   }
 
   return activated;

src/foptimove.cpp

@@ -121,7 +121,7 @@ void FOptiMove::set_cursor_home (char cap[])
   }
   else
   {
-    F_cursor_home.cap = 0;
+    F_cursor_home.cap = nullptr;
     F_cursor_home.duration = \
     F_cursor_home.length   = LONG_DURATION;
   }
@@ -138,7 +138,7 @@ void FOptiMove::set_cursor_to_ll (char cap[])
   }
   else
   {
-    F_cursor_to_ll.cap = 0;
+    F_cursor_to_ll.cap = nullptr;
     F_cursor_to_ll.duration = \
     F_cursor_to_ll.length   = LONG_DURATION;
   }
@@ -155,7 +155,7 @@ void FOptiMove::set_carriage_return (char cap[])
   }
   else
   {
-    F_carriage_return.cap = 0;
+    F_carriage_return.cap = nullptr;
     F_carriage_return.duration = \
     F_carriage_return.length   = LONG_DURATION;
   }
@@ -172,7 +172,7 @@ void FOptiMove::set_tabular (char cap[])
   }
   else
   {
-    F_tab.cap = 0;
+    F_tab.cap = nullptr;
     F_tab.duration = \
     F_tab.length   = LONG_DURATION;
   }
@@ -189,7 +189,7 @@ void FOptiMove::set_back_tab (char cap[])
   }
   else
   {
-    F_back_tab.cap = 0;
+    F_back_tab.cap = nullptr;
     F_back_tab.duration = \
     F_back_tab.length   = LONG_DURATION;
   }
@@ -206,7 +206,7 @@ void FOptiMove::set_cursor_up (char cap[])
   }
   else
   {
-    F_cursor_up.cap = 0;
+    F_cursor_up.cap = nullptr;
     F_cursor_up.duration = \
     F_cursor_up.length   = LONG_DURATION;
   }
@@ -223,7 +223,7 @@ void FOptiMove::set_cursor_down (char cap[])
   }
   else
   {
-    F_cursor_down.cap = 0;
+    F_cursor_down.cap = nullptr;
     F_cursor_down.duration = \
     F_cursor_down.length   = LONG_DURATION;
   }
@@ -240,7 +240,7 @@ void FOptiMove::set_cursor_left (char cap[])
   }
   else
   {
-    F_cursor_left.cap = 0;
+    F_cursor_left.cap = nullptr;
     F_cursor_left.duration = \
     F_cursor_left.length   = LONG_DURATION;
   }
@@ -257,7 +257,7 @@ void FOptiMove::set_cursor_right (char cap[])
   }
   else
   {
-    F_cursor_right.cap = 0;
+    F_cursor_right.cap = nullptr;
     F_cursor_right.duration = \
     F_cursor_right.length   = LONG_DURATION;
   }
@@ -275,7 +275,7 @@ void FOptiMove::set_cursor_address (char cap[])
   }
   else
   {
-    F_cursor_address.cap = 0;
+    F_cursor_address.cap = nullptr;
     F_cursor_address.duration = \
     F_cursor_address.length   = LONG_DURATION;
   }
@@ -293,7 +293,7 @@ void FOptiMove::set_column_address (char cap[])
   }
   else
   {
-    F_column_address.cap = 0;
+    F_column_address.cap = nullptr;
     F_column_address.duration = \
     F_column_address.length   = LONG_DURATION;
   }
@@ -311,7 +311,7 @@ void FOptiMove::set_row_address (char cap[])
   }
   else
   {
-    F_row_address.cap = 0;
+    F_row_address.cap = nullptr;
     F_row_address.duration = \
     F_row_address.length   = LONG_DURATION;
   }
@@ -329,7 +329,7 @@ void FOptiMove::set_parm_up_cursor (char cap[])
   }
   else
   {
-    F_parm_up_cursor.cap = 0;
+    F_parm_up_cursor.cap = nullptr;
     F_parm_up_cursor.duration = \
     F_parm_up_cursor.length   = LONG_DURATION;
   }
@@ -347,7 +347,7 @@ void FOptiMove::set_parm_down_cursor (char cap[])
   }
   else
   {
-    F_parm_down_cursor.cap = 0;
+    F_parm_down_cursor.cap = nullptr;
     F_parm_down_cursor.duration = \
     F_parm_down_cursor.length   = LONG_DURATION;
   }
@@ -365,7 +365,7 @@ void FOptiMove::set_parm_left_cursor (char cap[])
   }
   else
   {
-    F_parm_left_cursor.cap = 0;
+    F_parm_left_cursor.cap = nullptr;
     F_parm_left_cursor.duration = \
     F_parm_left_cursor.length   = LONG_DURATION;
   }
@@ -383,7 +383,7 @@ void FOptiMove::set_parm_right_cursor (char cap[])
   }
   else
   {
-    F_parm_right_cursor.cap = 0;
+    F_parm_right_cursor.cap = nullptr;
     F_parm_right_cursor.duration = \
     F_parm_right_cursor.length   = LONG_DURATION;
   }
@@ -401,7 +401,7 @@ void FOptiMove::set_erase_chars (char cap[])
   }
   else
   {
-    F_erase_chars.cap = 0;
+    F_erase_chars.cap = nullptr;
     F_erase_chars.duration = \
     F_erase_chars.length   = LONG_DURATION;
   }
@@ -419,7 +419,7 @@ void FOptiMove::set_repeat_char (char cap[])
   }
   else
   {
-    F_repeat_char.cap = 0;
+    F_repeat_char.cap = nullptr;
     F_repeat_char.duration = \
     F_repeat_char.length   = LONG_DURATION;
   }
@@ -436,7 +436,7 @@ void FOptiMove::set_clr_bol (char cap[])
   }
   else
   {
-    F_clr_bol.cap = 0;
+    F_clr_bol.cap = nullptr;
     F_clr_bol.duration = \
     F_clr_bol.length   = LONG_DURATION;
   }
@@ -453,7 +453,7 @@ void FOptiMove::set_clr_eol (char cap[])
   }
   else
   {
-    F_clr_eol.cap = 0;
+    F_clr_eol.cap = nullptr;
     F_clr_eol.duration = \
     F_clr_eol.length   = LONG_DURATION;
   }

src/fscrollview.cpp

@@ -45,7 +45,7 @@ FScrollView::~FScrollView()  // destructor
   delete vbar;
   delete hbar;
   removeArea (viewport);
-  child_print_area = viewport = 0;
+  child_print_area = viewport = nullptr;
 }
 
 
@@ -600,7 +600,7 @@ FVTerm::term_area* FScrollView::getPrintArea()
 
   if ( use_own_print_area || ! viewport )
   {
-    child_print_area = 0;
+    child_print_area = nullptr;
     term_area* area = FWidget::getPrintArea();
     child_print_area = viewport;
     return area;
@@ -984,7 +984,7 @@ void FScrollView::cb_HBarChange (FWidget*, data_ptr)
 //----------------------------------------------------------------------
 inline void FScrollView::redrawHBar()
 {
-  child_print_area = 0;
+  child_print_area = nullptr;
 
   if ( hbar->isVisible() )
     hbar->redraw();
@@ -995,7 +995,7 @@ inline void FScrollView::redrawHBar()
 //----------------------------------------------------------------------
 inline void FScrollView::redrawVBar()
 {
-  child_print_area = 0;
+  child_print_area = nullptr;
 
   if ( vbar->isVisible() )
     vbar->redraw();
@@ -1006,7 +1006,7 @@ inline void FScrollView::redrawVBar()
 //----------------------------------------------------------------------
 inline void FScrollView::drawHBar()
 {
-  child_print_area = 0;
+  child_print_area = nullptr;
 
   if ( hbar->isVisible() )
     hbar->drawBar();
@@ -1017,7 +1017,7 @@ inline void FScrollView::drawHBar()
 //----------------------------------------------------------------------
 inline void FScrollView::drawVBar()
 {
-  child_print_area = 0;
+  child_print_area = nullptr;
 
   if ( vbar->isVisible() )
     vbar->drawBar();

src/fstring.cpp

@@ -448,7 +448,7 @@ FString FString::clear()
 
   length  = 0;
   bufsize = 0;
-  string  = 0;
+  string  = nullptr;
   return *this;
 }
 
@@ -876,7 +876,7 @@ FStringList FString::split (const FString& delimiter)
   if ( ! (string && *string) )
     return string_list;
 
-  rest = 0;
+  rest = nullptr;
   token = extractToken(&rest, s.string, delimiter.wc_str());
 
   while ( token )
@@ -1628,7 +1628,7 @@ inline char* FString::wc_to_c_str (const wchar_t s[]) const
   if ( mblength == -1 && errno != EILSEQ )
   {
     delete[](c_string);
-    c_string = 0;
+    c_string = nullptr;
     return const_cast<char*>("");
   }
 

src/fterm.cpp

@@ -32,7 +32,7 @@ namespace finalcut
 {
 
 // global FTerm object
-static FTerm* init_term_object = 0;
+static FTerm* init_term_object = nullptr;
 
 // global init state
 static bool term_initialized = false;
@@ -42,25 +42,25 @@ int (*FTerm::Fputchar)(int);
 
 // static class attributes
 FTerm::initializationValues FTerm::init_values;
-FTermData*          FTerm::data             = 0;
+FTermData*          FTerm::data           = nullptr;
-FTermcap::tcap_map* FTerm::tcap             = 0;
+FTermcap::tcap_map* FTerm::tcap           = nullptr;
-FOptiMove*          FTerm::opti_move        = 0;
+FOptiMove*          FTerm::opti_move      = nullptr;
-FOptiAttr*          FTerm::opti_attr        = 0;
+FOptiAttr*          FTerm::opti_attr      = nullptr;
-FTermDetection*     FTerm::term_detection   = 0;
+FTermDetection*     FTerm::term_detection = nullptr;
-FTermXTerminal*     FTerm::xterm            = 0;
+FTermXTerminal*     FTerm::xterm          = nullptr;
-FKeyboard*          FTerm::keyboard         = 0;
+FKeyboard*          FTerm::keyboard       = nullptr;
-FMouseControl*      FTerm::mouse            = 0;
+FMouseControl*      FTerm::mouse          = nullptr;
 
 #if defined(__linux__)
-  FTermLinux* FTerm::linux = 0;
+  FTermLinux* FTerm::linux = nullptr;
 #elif defined(__FreeBSD__) || defined(__DragonFly__)
-  FTermFreeBSD* FTerm::freebsd = 0;
+  FTermFreeBSD* FTerm::freebsd = nullptr;
 #elif defined(__NetBSD__) || defined(__OpenBSD__)
-  FTermOpenBSD* FTerm::openbsd = 0;
+  FTermOpenBSD* FTerm::openbsd = nullptr;
 #endif
 
 #if DEBUG
-  FTermDebugData* FTerm::debug_data = 0;
+  FTermDebugData* FTerm::debug_data = nullptr;
 #endif
 
 // function prototypes
@@ -384,7 +384,7 @@ char* FTerm::cursorsVisibility (bool on)
 {
   // Hides or shows the input cursor on the terminal
 
-  char* visibility_str = 0;
+  char* visibility_str = nullptr;
 
   if ( on == data->isCursorHidden() )
     return 0;
@@ -665,7 +665,7 @@ void FTerm::setEncoding (fc::encoding enc)
   {
     if ( enc == fc::VT100 || enc == fc::PC )
     {
-      char* empty = 0;
+      char* empty = nullptr;
       opti_move->set_tabular (empty);
     }
     else
@@ -1407,7 +1407,7 @@ void FTerm::init_tab_quirks()
 
   if ( enc == fc::VT100 || enc == fc::PC )
   {
-    char* empty = 0;
+    char* empty = nullptr;
     opti_move->set_tabular (empty);
   }
 }

src/ftermcap.cpp

@@ -40,8 +40,8 @@ bool            FTermcap::no_utf8_acs_chars        = false;
 int             FTermcap::max_color                = 1;
 int             FTermcap::tabstop                  = 8;
 int             FTermcap::attr_without_color       = 0;
-FTermData*      FTermcap::fterm_data               = 0;
+FTermData*      FTermcap::fterm_data               = nullptr;
-FTermDetection* FTermcap::term_detection           = 0;
+FTermDetection* FTermcap::term_detection           = nullptr;
 
 
 //----------------------------------------------------------------------

src/ftermcapquirks.cpp

@@ -26,9 +26,9 @@ namespace finalcut
 {
 
 // static class attributes
-FTermcap::tcap_map* FTermcapQuirks::tcap           = 0;
+FTermcap::tcap_map* FTermcapQuirks::tcap           = nullptr;
-FTermData*          FTermcapQuirks::fterm_data     = 0;
+FTermData*          FTermcapQuirks::fterm_data     = nullptr;
-FTermDetection*     FTermcapQuirks::term_detection = 0;
+FTermDetection*     FTermcapQuirks::term_detection = nullptr;
 
 
 //----------------------------------------------------------------------
@@ -210,16 +210,16 @@ void FTermcapQuirks::linux()
   TCAP(fc::t_exit_bold_mode) = C_STR(CSI "22m");
   TCAP(fc::t_exit_blink_mode) = C_STR(CSI "25m");
   TCAP(fc::t_exit_reverse_mode) = C_STR(CSI "27m");
-  TCAP(fc::t_exit_secure_mode) = 0;
+  TCAP(fc::t_exit_secure_mode) = nullptr;
-  TCAP(fc::t_exit_protected_mode) = 0;
+  TCAP(fc::t_exit_protected_mode) = nullptr;
-  TCAP(fc::t_exit_crossed_out_mode) = 0;
+  TCAP(fc::t_exit_crossed_out_mode) = nullptr;
   TCAP(fc::t_orig_pair) = C_STR(CSI "39;49;25m");
 
   // Avoid underline and dim mode
-  TCAP(fc::t_enter_dim_mode)       = 0;
+  TCAP(fc::t_enter_dim_mode)       = nullptr;
-  TCAP(fc::t_exit_dim_mode)        = 0;
+  TCAP(fc::t_exit_dim_mode)        = nullptr;
-  TCAP(fc::t_enter_underline_mode) = 0;
+  TCAP(fc::t_enter_underline_mode) = nullptr;
-  TCAP(fc::t_exit_underline_mode)  = 0;
+  TCAP(fc::t_exit_underline_mode)  = nullptr;
 }
 
 //----------------------------------------------------------------------

src/ftermdetection.cpp

@@ -31,14 +31,14 @@ FTermDetection::terminalType FTermDetection::terminal_type = \
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 FTermDetection::colorEnv     FTermDetection::color_env;
 FTermDetection::secondaryDA  FTermDetection::secondary_da;
-FTermData*     FTermDetection::fterm_data = 0;
+FTermData*     FTermDetection::fterm_data = nullptr;
 char           FTermDetection::termtype[256] = { };
 char           FTermDetection::ttytypename[256] = { };
 bool           FTermDetection::decscusr_support;
 bool           FTermDetection::terminal_detection;
 bool           FTermDetection::color256;
-const FString* FTermDetection::answer_back = 0;
+const FString* FTermDetection::answer_back = nullptr;
-const FString* FTermDetection::sec_da      = 0;
+const FString* FTermDetection::sec_da      = nullptr;
 int            FTermDetection::gnome_terminal_id;
 
 #if DEBUG
@@ -182,7 +182,7 @@ bool FTermDetection::getTTYtype()
     {
       char* name;
       char* type;
-      type = name = 0;  // 0 == not found
+      type = name = nullptr;  // nullptr == not found
       p = str;
 
       while ( *p )
@@ -311,7 +311,7 @@ void FTermDetection::detectTerminal()
 {
   // Terminal detection
 
-  char* new_termtype = 0;
+  char* new_termtype = nullptr;
 
   if ( terminal_detection )
   {
@@ -359,7 +359,7 @@ void FTermDetection::detectTerminal()
 //----------------------------------------------------------------------
 char* FTermDetection::init_256colorTerminal()
 {
-  char* new_termtype = 0;
+  char* new_termtype = nullptr;
 
   if ( get256colorEnvString() )
     color256 = true;
@@ -422,7 +422,7 @@ bool FTermDetection::get256colorEnvString()
 //----------------------------------------------------------------------
 char* FTermDetection::termtype_256color_quirks()
 {
-  char* new_termtype = 0;
+  char* new_termtype = nullptr;
 
   if ( ! color256 )
     return new_termtype;

src/ftermlinux.cpp

@@ -44,7 +44,7 @@ namespace finalcut
   bool   FTermLinux::half_block_character = true;
   bool   FTermLinux::has_saved_palette = false;
 
-  FTermDetection*             FTermLinux::term_detection = 0;
+  FTermDetection*             FTermLinux::term_detection = nullptr;
   fc::linuxConsoleCursorStyle FTermLinux::linux_console_cursor_style;
   FTermLinux::ColorMap        FTermLinux::saved_color_map;
   FTermLinux::ColorMap        FTermLinux::cmap;
@@ -148,8 +148,8 @@ void FTermLinux::init()
 {
   // initialize Linux console
 
-  screen_unicode_map.entries = 0;
+  screen_unicode_map.entries = nullptr;
-  screen_font.data = 0;
+  screen_font.data = nullptr;
 
   if ( FTerm::openConsole() == 0 )
   {
@@ -342,7 +342,7 @@ bool FTermLinux::loadOldFont (uInt char_map[][fc::NUM_OF_ENCODINGS])
                                 , screen_font.height
                                 , true );
         delete[] screen_font.data;
-        screen_font.data = 0;
+        screen_font.data = nullptr;
 
         if ( ret == 0 )
           retval = true;
@@ -353,7 +353,7 @@ bool FTermLinux::loadOldFont (uInt char_map[][fc::NUM_OF_ENCODINGS])
         setUnicodeMap (&screen_unicode_map);
         initCharMap(char_map);
         delete[] screen_unicode_map.entries;
-        screen_unicode_map.entries = 0;
+        screen_unicode_map.entries = nullptr;
       }
     }
 
@@ -569,7 +569,7 @@ bool FTermLinux::getUnicodeMap()
     return false;
 
   screen_unicode_map.entry_ct = 0;
-  screen_unicode_map.entries = 0;
+  screen_unicode_map.entries = nullptr;
 
   // get count
   ret = ioctl (fd_tty, GIO_UNIMAP, &screen_unicode_map);

src/ftermxterminal.cpp

@@ -33,16 +33,16 @@ bool                 FTermXTerminal::meta_sends_esc;
 bool                 FTermXTerminal::xterm_default_colors;
 std::size_t          FTermXTerminal::term_width = 80;
 std::size_t          FTermXTerminal::term_height = 24;
-const FString*       FTermXTerminal::xterm_font = 0;
+const FString*       FTermXTerminal::xterm_font = nullptr;
-const FString*       FTermXTerminal::xterm_title = 0;
+const FString*       FTermXTerminal::xterm_title = nullptr;
-const FString*       FTermXTerminal::foreground_color = 0;
+const FString*       FTermXTerminal::foreground_color = nullptr;
-const FString*       FTermXTerminal::background_color = 0;
+const FString*       FTermXTerminal::background_color = nullptr;
-const FString*       FTermXTerminal::cursor_color = 0;
+const FString*       FTermXTerminal::cursor_color = nullptr;
-const FString*       FTermXTerminal::mouse_foreground_color = 0;
+const FString*       FTermXTerminal::mouse_foreground_color = nullptr;
-const FString*       FTermXTerminal::mouse_background_color = 0;
+const FString*       FTermXTerminal::mouse_background_color = nullptr;
-const FString*       FTermXTerminal::highlight_background_color = 0;
+const FString*       FTermXTerminal::highlight_background_color = nullptr;
-FTermcap::tcap_map*  FTermXTerminal::tcap = 0;
+FTermcap::tcap_map*  FTermXTerminal::tcap = nullptr;
-FTermDetection*      FTermXTerminal::term_detection = 0;
+FTermDetection*      FTermXTerminal::term_detection = nullptr;
 fc::xtermCursorStyle FTermXTerminal::cursor_style = fc::unknown_cursor_style;
 
 
@@ -257,7 +257,7 @@ void FTermXTerminal::resetForeground()
   if ( foreground_color )
     delete foreground_color;
 
-  foreground_color = 0;
+  foreground_color = nullptr;
   resetXTermForeground();
 }
 
@@ -269,7 +269,7 @@ void FTermXTerminal::resetBackground()
   if ( background_color )
     delete background_color;
 
-  background_color = 0;
+  background_color = nullptr;
   resetXTermBackground();
 }
 
@@ -281,7 +281,7 @@ void FTermXTerminal::resetCursorColor()
   if ( cursor_color )
     delete cursor_color;
 
-  cursor_color = 0;
+  cursor_color = nullptr;
   resetXTermCursorColor();
 }
 
@@ -293,7 +293,7 @@ void FTermXTerminal::resetMouseForeground()
   if ( mouse_foreground_color )
     delete mouse_foreground_color;
 
-  mouse_foreground_color = 0;
+  mouse_foreground_color = nullptr;
   resetXTermMouseForeground();
 }
 
@@ -305,7 +305,7 @@ void FTermXTerminal::resetMouseBackground()
   if ( mouse_background_color )
     delete mouse_background_color;
 
-  mouse_background_color = 0;
+  mouse_background_color = nullptr;
   resetXTermMouseBackground();
 }
 
@@ -317,7 +317,7 @@ void FTermXTerminal::resetHighlightBackground()
   if ( highlight_background_color )
     delete highlight_background_color;
 
-  highlight_background_color = 0;
+  highlight_background_color = nullptr;
   resetXTermHighlightBackground();
 }
 

src/ftooltip.cpp

@@ -54,7 +54,7 @@ FToolTip::~FToolTip()  // destructor
   if ( fapp->isQuit() )
     return;
 
-  FWindow* parent_win = 0;
+  FWindow* parent_win = nullptr;
 
   if ( FWidget* parent = getParentWidget() )
     parent_win = getWindowWidget(parent);

src/fvterm.cpp

@@ -34,7 +34,7 @@ namespace finalcut
 {
 
 // global FVTerm object
-static FVTerm* init_object = 0;
+static FVTerm* init_object = nullptr;
 
 // static class attributes
 bool                 FVTerm::terminal_update_complete;
@@ -47,14 +47,14 @@ uInt                 FVTerm::repeat_char_length;
 uInt                 FVTerm::clr_bol_length;
 uInt                 FVTerm::clr_eol_length;
 uInt                 FVTerm::cursor_address_length;
-std::queue<int>*     FVTerm::output_buffer = 0;
+std::queue<int>*     FVTerm::output_buffer = nullptr;
-FPoint*              FVTerm::term_pos      = 0;
+FPoint*              FVTerm::term_pos      = nullptr;
-FTerm*               FVTerm::fterm         = 0;
+FTerm*               FVTerm::fterm         = nullptr;
-FVTerm::term_area*   FVTerm::vterm         = 0;
+FVTerm::term_area*   FVTerm::vterm         = nullptr;
-FVTerm::term_area*   FVTerm::vdesktop      = 0;
+FVTerm::term_area*   FVTerm::vdesktop      = nullptr;
-FVTerm::term_area*   FVTerm::active_area   = 0;
+FVTerm::term_area*   FVTerm::active_area   = nullptr;
-FTermcap::tcap_map*  FVTerm::tcap          = 0;
+FTermcap::tcap_map*  FVTerm::tcap          = nullptr;
-FKeyboard*           FVTerm::keyboard      = 0;
+FKeyboard*           FVTerm::keyboard      = nullptr;
 FVTerm::charData     FVTerm::term_attribute;
 FVTerm::charData     FVTerm::next_attribute;
 FVTerm::charData     FVTerm::s_ch;
@@ -790,17 +790,17 @@ void FVTerm::removeArea (term_area*& area)
     if ( area->changes != 0 )
     {
       delete[] area->changes;
-      area->changes = 0;
+      area->changes = nullptr;
     }
 
     if ( area->text != 0 )
     {
       delete[] area->text;
-      area->text = 0;
+      area->text = nullptr;
     }
 
     delete area;
-    area = 0;
+    area = nullptr;
   }
 }
 
@@ -1972,8 +1972,8 @@ void FVTerm::flush_out()
 void FVTerm::init (bool disable_alt_screen)
 {
   init_object = this;
-  vterm       = 0;
+  vterm       = nullptr;
-  vdesktop    = 0;
+  vdesktop    = nullptr;
 
   try
   {

src/fwidget.cpp

@@ -31,17 +31,17 @@ namespace finalcut
 {
 
 // global FWidget object
-static FWidget* rootObject = 0;
+static FWidget* rootObject = nullptr;
 
 // static class attributes
-FStatusBar*          FWidget::statusbar          = 0;
+FStatusBar*          FWidget::statusbar          = nullptr;
-FMenuBar*            FWidget::menubar            = 0;
+FMenuBar*            FWidget::menubar            = nullptr;
-FWidget*             FWidget::show_root_widget   = 0;
+FWidget*             FWidget::show_root_widget   = nullptr;
-FWidget*             FWidget::redraw_root_widget = 0;
+FWidget*             FWidget::redraw_root_widget = nullptr;
-FWidget::widgetList* FWidget::window_list        = 0;
+FWidget::widgetList* FWidget::window_list        = nullptr;
-FWidget::widgetList* FWidget::dialog_list        = 0;
+FWidget::widgetList* FWidget::dialog_list        = nullptr;
-FWidget::widgetList* FWidget::always_on_top_list = 0;
+FWidget::widgetList* FWidget::always_on_top_list = nullptr;
-FWidget::widgetList* FWidget::close_widget       = 0;
+FWidget::widgetList* FWidget::close_widget       = nullptr;
 FWidgetColors        FWidget::wc;
 bool                 FWidget::init_desktop;
 bool                 FWidget::hideable;
@@ -73,10 +73,10 @@ FWidget::FWidget (FWidget* parent, bool disable_alt_screen)
           && "FTerm: There should be only one root object" );
 
     rootObject = this;
-    show_root_widget = 0;
+    show_root_widget = nullptr;
-    redraw_root_widget = 0;
+    redraw_root_widget = nullptr;
     modal_dialogs = 0;
-    statusbar = 0;
+    statusbar = nullptr;
     init();
   }
   else
@@ -1017,7 +1017,7 @@ void FWidget::redraw()
   {
     updateTerminal();
     flush_out();
-    redraw_root_widget = 0;
+    redraw_root_widget = nullptr;
   }
 }
 
@@ -1094,7 +1094,7 @@ void FWidget::show()
     finishTerminalUpdate();
     updateTerminal();
     flush_out();
-    show_root_widget = 0;
+    show_root_widget = nullptr;
   }
 
   FShowEvent show_ev (fc::Show_Event);
@@ -1669,7 +1669,7 @@ bool FWidget::focusNextChild()
       continue;
     }
 
-    FWidget* next = 0;
+    FWidget* next = nullptr;
     constFObjectIterator next_element;
     next_element = iter;
 
@@ -1730,7 +1730,7 @@ bool FWidget::focusPrevChild()
     if ( w != this )
       continue;
 
-    FWidget* prev = 0;
+    FWidget* prev = nullptr;
     constFObjectIterator prev_element;
     prev_element = iter;
 
@@ -1979,30 +1979,30 @@ void FWidget::init()
 void FWidget::finish()
 {
   delete accelerator_list;
-  accelerator_list = 0;
+  accelerator_list = nullptr;
 
   if ( close_widget )
   {
     delete close_widget;
-    close_widget = 0;
+    close_widget = nullptr;
   }
 
   if ( dialog_list )
   {
     delete dialog_list;
-    dialog_list = 0;
+    dialog_list = nullptr;
   }
 
   if ( always_on_top_list )
   {
     delete always_on_top_list;
-    always_on_top_list = 0;
+    always_on_top_list = nullptr;
   }
 
   if ( window_list )
   {
     delete window_list;
-    window_list = 0;
+    window_list = nullptr;
   }
 }
 

src/fwindow.cpp

@@ -29,7 +29,7 @@ namespace finalcut
 {
 
 // static attributes
-FWindow* FWindow::previous_window = 0;
+FWindow* FWindow::previous_window = nullptr;
 
 
 //----------------------------------------------------------------------
@@ -54,7 +54,7 @@ FWindow::~FWindow()  // destructor
   FApplication* fapp = static_cast<FApplication*>(getRootWidget());
 
   if ( previous_window == this )
-    previous_window = 0;
+    previous_window = nullptr;
 
   if ( isAlwaysOnTop() )
     deleteFromAlwaysOnTopList (this);

src/include/final/emptyfstring.h

@@ -92,7 +92,7 @@ inline const FString& emptyFString::get()
 inline void emptyFString::clear()
 {
   delete empty_string;
-  empty_string = 0;
+  empty_string = nullptr;
 }
 
 }  // namespace fc

src/include/final/fbutton.h

@@ -68,8 +68,8 @@ class FButton : public FWidget
 {
   public:
     // Constructors
-    explicit FButton (FWidget* = 0);
+    explicit FButton (FWidget* = nullptr);
-    explicit FButton (const FString&, FWidget* = 0);
+    explicit FButton (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FButton (const FButton&) = delete;
     // Destructor

src/include/final/fbuttongroup.h

@@ -72,8 +72,8 @@ class FButtonGroup : public FScrollView
 {
   public:
     // Constructors
-    explicit FButtonGroup (FWidget* = 0);
+    explicit FButtonGroup (FWidget* = nullptr);
-    explicit FButtonGroup (const FString&, FWidget* = 0);
+    explicit FButtonGroup (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FButtonGroup (const FButtonGroup&) = delete;
     // Destructor

src/include/final/fcheckbox.h

@@ -73,8 +73,8 @@ class FCheckBox : public FToggleButton
 {
   public:
     // Constructors
-    explicit FCheckBox (FWidget* = 0);
+    explicit FCheckBox (FWidget* = nullptr);
-    explicit FCheckBox (const FString&, FWidget* = 0);
+    explicit FCheckBox (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FCheckBox (const FCheckBox&) = delete;
     // Destructor

src/include/final/fcheckmenuitem.h

@@ -73,8 +73,8 @@ class FCheckMenuItem : public FMenuItem
 {
   public:
     // Constructors
-    explicit FCheckMenuItem (FWidget* = 0);
+    explicit FCheckMenuItem (FWidget* = nullptr);
-    explicit FCheckMenuItem (const FString&, FWidget* = 0);
+    explicit FCheckMenuItem (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FCheckMenuItem (const FCheckMenuItem&) = delete;
     // Destructor

src/include/final/fdialog.h

@@ -87,8 +87,8 @@ class FDialog : public FWindow
     };
 
     // Constructors
-    explicit FDialog (FWidget* = 0);
+    explicit FDialog (FWidget* = nullptr);
-    explicit FDialog (const FString&, FWidget* = 0);
+    explicit FDialog (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FDialog (const FDialog&) = delete;
     // Destructor
@@ -229,12 +229,12 @@ class FDialog : public FWindow
     FPoint              titlebar_click_pos{};
     FPoint              resize_click_pos{};
     FRect               save_geometry{};  // required by keyboard move/size
-    FMenu*              dialog_menu{0};
+    FMenu*              dialog_menu{nullptr};
-    FMenuItem*          dgl_menuitem{0};
+    FMenuItem*          dgl_menuitem{nullptr};
-    FMenuItem*          move_size_item{0};
+    FMenuItem*          move_size_item{nullptr};
-    FMenuItem*          zoom_item{0};
+    FMenuItem*          zoom_item{nullptr};
-    FMenuItem*          close_item{0};
+    FMenuItem*          close_item{nullptr};
-    FToolTip*           tooltip{0};
+    FToolTip*           tooltip{nullptr};
 
     // Friend function from FMenu
     friend void FMenu::hideSuperMenus();

src/include/final/fdialoglistmenu.h

@@ -79,8 +79,8 @@ class FDialogListMenu : public FMenu
 {
   public:
     // Constructors
-    explicit FDialogListMenu (FWidget* = 0);
+    explicit FDialogListMenu (FWidget* = nullptr);
-    explicit FDialogListMenu (const FString&, FWidget* = 0);
+    explicit FDialogListMenu (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FDialogListMenu (const FDialogListMenu&) = delete;
     // Destructor

src/include/final/ffiledialog.h

@@ -102,12 +102,12 @@ class FFileDialog : public FDialog
     };
 
     // Constructors
-    explicit FFileDialog (FWidget* = 0);
+    explicit FFileDialog (FWidget* = nullptr);
     FFileDialog (const FFileDialog&);  // copy constructor
     FFileDialog ( const FString&
                 , const FString&
                 , DialogType = FFileDialog::Open
-                , FWidget* = 0 );
+                , FWidget* = nullptr );
     // Destructor
     virtual ~FFileDialog();
 
@@ -186,7 +186,7 @@ class FFileDialog : public FDialog
     void          cb_processShowHidden (FWidget*, data_ptr);
 
     // Data Members
-    DIR*          directory_stream{0};
+    DIR*          directory_stream{nullptr};
     dirEntries    dir_entries{};
     FString       directory{};
     FString       filter_pattern{};

src/include/final/fkeyboard.h

@@ -60,15 +60,16 @@ class FKeyboardCommand
 {
   public:
     // Constructor
-    explicit FKeyboardCommand (FApplication* = 0, void(FApplication::*)() = 0);
+    explicit FKeyboardCommand ( FApplication* = nullptr
+                              , void(FApplication::*)() = nullptr);
 
     // Method
     void execute();
 
   private:
     // Data Members
-    FApplication* instance{0};
+    FApplication* instance{nullptr};
-    void (FApplication::*handler)(){0};
+    void (FApplication::*handler)(){nullptr};
 };
 #pragma pack(pop)
 
@@ -180,7 +181,7 @@ class FKeyboard
     FKeyboardCommand    escape_key_cmd{};
 
     static timeval      time_keypressed;
-    fc::fkeymap*        key_map{0};
+    fc::fkeymap*        key_map{nullptr};
 
 #if defined(__linux__)
     #undef linux

src/include/final/flabel.h

@@ -73,8 +73,8 @@ class FLabel : public FWidget
     using FWidget::setEnable;
 
     // Constructor
-    explicit FLabel (FWidget* = 0);
+    explicit FLabel (FWidget* = nullptr);
-    explicit FLabel (const FString&, FWidget* = 0);
+    explicit FLabel (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FLabel (const FLabel&) = delete;
     // Destructor
@@ -104,7 +104,7 @@ class FLabel : public FWidget
     FString&           getText();
 
     // Mutators
-    void               setAccelWidget (FWidget* = 0);
+    void               setAccelWidget (FWidget* = nullptr);
     void               setAlignment(fc::text_alignment);
     bool               setEmphasis(bool);
     bool               setEmphasis();
@@ -160,7 +160,7 @@ class FLabel : public FWidget
     FColor             ellipsis_color{wc.label_ellipsis_fg};
     bool               emphasis{false};
     bool               reverse_mode{false};
-    FWidget*           accel_widget{0};
+    FWidget*           accel_widget{nullptr};
 };
 #pragma pack(pop)
 

src/include/final/flineedit.h

@@ -76,8 +76,8 @@ class FLineEdit : public FWidget
     };
 
     // Constructor
-    explicit FLineEdit (FWidget* = 0);
+    explicit FLineEdit (FWidget* = nullptr);
-    explicit FLineEdit (const FString&, FWidget* = 0);
+    explicit FLineEdit (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FLineEdit (const FLineEdit&) = delete;
     // Destructor

src/include/final/flistbox.h

@@ -75,7 +75,7 @@ class FListBoxItem
     // Constructors
     FListBoxItem ();
     FListBoxItem (const FListBoxItem&);  // copy constructor
-    explicit FListBoxItem (const FString&, FWidget::data_ptr = 0);
+    explicit FListBoxItem (const FString&, FWidget::data_ptr = nullptr);
 
     // Destructor
     virtual ~FListBoxItem();
@@ -100,7 +100,7 @@ class FListBoxItem
 
     // Data Members
     FString           text{};
-    FWidget::data_ptr data_pointer{0};
+    FWidget::data_ptr data_pointer{nullptr};
     fc::brackets_type brackets{fc::NoBrackets};
     bool              selected{false};
 };
@@ -146,11 +146,11 @@ class FListBox : public FWidget
     using FWidget::setGeometry;
 
     // Constructor
-    explicit FListBox (FWidget* = 0);
+    explicit FListBox (FWidget* = nullptr);
     template <typename Iterator, typename InsertConverter>
-    FListBox (Iterator, Iterator, InsertConverter, FWidget* = 0);
+    FListBox (Iterator, Iterator, InsertConverter, FWidget* = nullptr);
     template <typename Container, typename LazyConverter>
-    FListBox (Container, LazyConverter, FWidget* = 0);
+    FListBox (Container, LazyConverter, FWidget* = nullptr);
     // Disable copy constructor
     FListBox (const FListBox&) = delete;
     // Destructor
@@ -204,11 +204,11 @@ class FListBox : public FWidget
     void         insert ( const FString&
                         , fc::brackets_type = fc::NoBrackets
                         , bool = false
-                        , data_ptr = 0 );
+                        , data_ptr = nullptr );
     void         insert ( long
                         , fc::brackets_type = fc::NoBrackets
                         , bool = false
-                        , data_ptr = 0 );
+                        , data_ptr = nullptr );
     void         remove (std::size_t);
     void         clear();
 
@@ -297,14 +297,14 @@ class FListBox : public FWidget
     // Function Pointer
     void         (*convertToItem) ( FListBoxItem&
                                   , FWidget::data_ptr
-                                  , int index ){0};
+                                  , int index ){nullptr};
 
     // Data Members
     listBoxItems      itemlist{};
-    FWidget::data_ptr source_container{0};
+    FWidget::data_ptr source_container{nullptr};
     convert_type      conv_type{FListBox::no_convert};
-    FScrollbar*       vbar{0};
+    FScrollbar*       vbar{nullptr};
-    FScrollbar*       hbar{0};
+    FScrollbar*       hbar{nullptr};
     FString           text{};
     FString           inc_search{};
     bool              multi_select{false};

src/include/final/flistview.h

@@ -129,7 +129,7 @@ class FListViewItem : public FObject
 
     // Data Members
     FStringList       column_list{};
-    FWidget::data_ptr data_pointer{0};
+    FWidget::data_ptr data_pointer{nullptr};
     FObjectIterator   root{};
     std::size_t       visible_lines{1};
     bool              expandable{false};
@@ -272,7 +272,7 @@ class FListView : public FWidget
     using FWidget::setGeometry;
 
     // Constructor
-    explicit FListView (FWidget* = 0);
+    explicit FListView (FWidget* = nullptr);
     // Disable copy constructor
     FListView (const FListView&) = delete;
     // Destructor
@@ -315,14 +315,14 @@ class FListView : public FWidget
     FObjectIterator      insert (FListViewItem*);
     FObjectIterator      insert (FListViewItem*, FObjectIterator);
     FObjectIterator      insert ( const FStringList&
-                                , data_ptr = 0 );
+                                , data_ptr = nullptr );
     FObjectIterator      insert ( const FStringList&
                                 , FObjectIterator );
     FObjectIterator      insert ( const FStringList&
                                 , data_ptr
                                 , FObjectIterator );
     FObjectIterator      insert ( const std::vector<long>&
-                                , data_ptr = 0 );
+                                , data_ptr = nullptr );
     FObjectIterator      insert ( const std::vector<long>&
                                 , FObjectIterator );
     FObjectIterator      insert ( const std::vector<long>&
@@ -428,8 +428,8 @@ class FListView : public FWidget
     FListViewIterator    last_visible_line{};
     headerItems          header{};
     FTermBuffer          headerline{};
-    FScrollbar*          vbar{0};
+    FScrollbar*          vbar{nullptr};
-    FScrollbar*          hbar{0};
+    FScrollbar*          hbar{nullptr};
     fc::dragScroll       drag_scroll{fc::noScroll};
     int                  scroll_repeat{100};
     int                  scroll_distance{1};
@@ -439,15 +439,15 @@ class FListView : public FWidget
     bool                 has_checkable_items{false};
     FPoint               clicked_expander_pos{-1, -1};
     FPoint               clicked_header_pos{-1, -1};
-    const FListViewItem* clicked_checkbox_item{0};
+    const FListViewItem* clicked_checkbox_item{nullptr};
     int                  xoffset{0};
     std::size_t          nf_offset{0};
     std::size_t          max_line_width{1};
     int                  sort_column{-1};
     sortTypes            sort_type{};
     fc::sorting_order    sort_order{fc::unsorted};
-    bool (*user_defined_ascending) (const FObject*, const FObject*){0};
+    bool (*user_defined_ascending) (const FObject*, const FObject*){nullptr};
-    bool (*user_defined_descending) (const FObject*, const FObject*){0};
+    bool (*user_defined_descending) (const FObject*, const FObject*){nullptr};
 
     // Friend class
     friend class FListViewItem;

src/include/final/fmenu.h

@@ -78,8 +78,8 @@ class FMenu : public FWindow, public FMenuList
 {
   public:
     // Constructor
-    explicit FMenu (FWidget* = 0);
+    explicit FMenu (FWidget* = nullptr);
-    explicit FMenu (const FString&, FWidget* = 0);
+    explicit FMenu (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FMenu (const FMenu&) = delete;
     // Destructor
@@ -230,9 +230,9 @@ class FMenu : public FWindow, public FMenuList
 
     // Data Members
     FMenuItem    item{};
-    FWidget*     super_menu{0};
+    FWidget*     super_menu{nullptr};
-    FMenu*       opened_sub_menu{0};
+    FMenu*       opened_sub_menu{nullptr};
-    FMenu*       shown_sub_menu{0};
+    FMenu*       shown_sub_menu{nullptr};
     std::size_t  max_item_width{0};
     std::size_t  hotkeypos{NOT_SET};
     bool         mouse_down{false};

src/include/final/fmenubar.h

@@ -77,7 +77,7 @@ class FMenuBar : public FWindow, public FMenuList
 {
   public:
     // Constructor
-    explicit FMenuBar (FWidget* = 0);
+    explicit FMenuBar (FWidget* = nullptr);
     // Disable copy constructor
     FMenuBar (const FMenuBar&) = delete;
     // Destructor

src/include/final/fmenuitem.h

@@ -82,9 +82,9 @@ class FMenuItem : public FWidget
     using FWidget::setEnable;
 
     // Constructor
-    explicit FMenuItem (FWidget* = 0);
+    explicit FMenuItem (FWidget* = nullptr);
-    explicit FMenuItem (const FString&, FWidget* = 0);
+    explicit FMenuItem (const FString&, FWidget* = nullptr);
-    FMenuItem (FKey, const FString&, FWidget* = 0);
+    FMenuItem (FKey, const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FMenuItem (const FMenuItem&) = delete;
     // Destructor
@@ -159,9 +159,9 @@ class FMenuItem : public FWidget
     std::size_t  text_length{0};
     uChar        hotkey{0};
     FKey         accel_key{0};
-    FMenu*       menu{0};
+    FMenu*       menu{nullptr};
-    FWidget*     super_menu{0};
+    FWidget*     super_menu{nullptr};
-    FDialog*     associated_window{0};
+    FDialog*     associated_window{nullptr};
 
   private:
     // Accessor

src/include/final/fmessagebox.h

@@ -95,11 +95,11 @@ class FMessageBox : public FDialog
     };
 
     // Constructors
-    explicit FMessageBox (FWidget* = 0);
+    explicit FMessageBox (FWidget* = nullptr);
     FMessageBox (const FMessageBox&);  // copy constructor
     FMessageBox ( const FString&, const FString&
                 , int, int, int
-                , FWidget* = 0 );
+                , FWidget* = nullptr );
     // Destructor
     virtual ~FMessageBox();
 
@@ -161,7 +161,7 @@ class FMessageBox : public FDialog
     // Data Members
     FString       headline_text{};
     FString       text{};
-    FString*      text_components{0};
+    FString*      text_components{nullptr};
     FStringList   text_split{};
     std::size_t   max_line_width{0};
     bool          center_text{false};
@@ -169,7 +169,7 @@ class FMessageBox : public FDialog
     uInt          num_buttons{0};
     uInt          text_num_lines{0};
     int           button_digit[3]{0};
-    FButton*      button[3]{0};
+    FButton*      button[3]{nullptr};
 };
 #pragma pack(pop)
 

src/include/final/fobject.h

@@ -71,7 +71,7 @@ class FObject
     typedef FObjectList::const_iterator constFObjectIterator;
 
     // Constructor
-    explicit FObject (FObject* = 0);
+    explicit FObject (FObject* = nullptr);
     // Disable copy constructor
     FObject (const FObject&) = delete;
     // Destructor
@@ -144,7 +144,7 @@ class FObject
     virtual void performTimerAction (const FObject*, const FEvent*);
 
     // Data Members
-    FObject*          parent_obj{};
+    FObject*          parent_obj{nullptr};
     FObjectList       children_list{};  // no children yet
     bool              has_parent{false};
     bool              widget_object{false};

src/include/final/fprogressbar.h

@@ -71,7 +71,7 @@ class FProgressbar : public FWidget
     using FWidget::setGeometry;
 
     // Constructor
-    explicit FProgressbar(FWidget* = 0);
+    explicit FProgressbar(FWidget* = nullptr);
 
     // Destructor
     virtual ~FProgressbar();

src/include/final/fradiobutton.h

@@ -73,8 +73,8 @@ class FRadioButton : public FToggleButton
 {
   public:
     // Constructors
-    explicit FRadioButton (FWidget* = 0);
+    explicit FRadioButton (FWidget* = nullptr);
-    explicit FRadioButton (const FString&, FWidget* = 0);
+    explicit FRadioButton (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FRadioButton (const FRadioButton&) = delete;
     // Destructor

src/include/final/fradiomenuitem.h

@@ -73,8 +73,8 @@ class FRadioMenuItem : public FMenuItem
 {
   public:
     // Constructors
-    explicit FRadioMenuItem (FWidget* = 0);
+    explicit FRadioMenuItem (FWidget* = nullptr);
-    explicit FRadioMenuItem (const FString&, FWidget* = 0);
+    explicit FRadioMenuItem (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FRadioMenuItem (const FRadioMenuItem&) = delete;
     // Destructor

src/include/final/fscrollbar.h

@@ -84,8 +84,8 @@ class FScrollbar : public FWidget
     };
 
     // Constructors
-    explicit FScrollbar (FWidget* = 0);
+    explicit FScrollbar (FWidget* = nullptr);
-    explicit FScrollbar (int = fc::vertical, FWidget* = 0);
+    explicit FScrollbar (int = fc::vertical, FWidget* = nullptr);
     // Disable copy constructor
     FScrollbar (const FScrollbar&) = delete;
     // Destructor

src/include/final/fscrollview.h

@@ -75,7 +75,7 @@ class FScrollView : public FWidget
     using FWidget::setPos;
 
     // Constructor
-    explicit FScrollView (FWidget* = 0);
+    explicit FScrollView (FWidget* = nullptr);
     // Disable copy constructor
     FScrollView (const FScrollView&) = delete;
     // Destructor
@@ -176,9 +176,9 @@ class FScrollView : public FWidget
     // Data Members
     FRect             scroll_geometry{1, 1, 1, 1};
     FRect             viewport_geometry{};
-    term_area*        viewport{0};  // virtual scroll content
+    term_area*        viewport{nullptr};  // virtual scroll content
-    FScrollbar*       vbar{0};
+    FScrollbar*       vbar{nullptr};
-    FScrollbar*       hbar{0};
+    FScrollbar*       hbar{nullptr};
     uInt8             nf_offset{0};
     bool              border{true};
     bool              use_own_print_area{false};

src/include/final/fstatusbar.h

@@ -80,8 +80,8 @@ class FStatusKey : public FWidget
 {
   public:
     // Constructors
-    explicit FStatusKey (FWidget* = 0);
+    explicit FStatusKey (FWidget* = nullptr);
-    FStatusKey (FKey, const FString&, FWidget* = 0);
+    FStatusKey (FKey, const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FStatusKey (const FStatusKey&) = delete;
     // Destructor
@@ -126,7 +126,7 @@ class FStatusKey : public FWidget
     FString     text{};
     bool        active{false};
     bool        mouse_focus{false};
-    FStatusBar* bar{0};
+    FStatusBar* bar{nullptr};
 };
 #pragma pack(pop)
 
@@ -192,7 +192,7 @@ class FStatusBar : public FWindow
 {
   public:
     // Constructor
-    explicit FStatusBar (FWidget* = 0);
+    explicit FStatusBar (FWidget* = nullptr);
     // Disable copy constructor
     FStatusBar (const FStatusBar&) = delete;
     // Destructor

src/include/final/fstring.h

@@ -278,10 +278,10 @@ class FString
     wchar_t* extractToken (wchar_t*[], const wchar_t[], const wchar_t[]);
 
     // Data Members
-    wchar_t*      string{0};
+    wchar_t*      string{nullptr};
     std::size_t   length{0};
     std::size_t   bufsize{0};
-    mutable char* c_string{0};
+    mutable char* c_string{nullptr};
 };
 #pragma pack(pop)
 

src/include/final/fswitch.h

@@ -73,8 +73,8 @@ class FSwitch : public FToggleButton
 {
   public:
     // Constructors
-    explicit FSwitch (FWidget* = 0);
+    explicit FSwitch (FWidget* = nullptr);
-    explicit FSwitch (const FString&, FWidget* = 0);
+    explicit FSwitch (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FSwitch (const FSwitch&) = delete;
     // Destructor

src/include/final/ftermdebugdata.h

@@ -71,8 +71,8 @@ class FTermDebugData
 
   private:
     // Data Members
-    FTermDetection* term_detection{0};
+    FTermDetection* term_detection{nullptr};
-    FTermData*      data{0};
+    FTermData*      data{nullptr};
 };
 
 // FTermDebugData inline functions

src/include/final/ftermdetection.h

@@ -215,13 +215,13 @@ class FTermDetection
     {
       void setDefault()
       {
-        string1 = 0;
+        string1 = nullptr;
-        string2 = 0;
+        string2 = nullptr;
-        string3 = 0;
+        string3 = nullptr;
-        string4 = 0;
+        string4 = nullptr;
-        string5 = 0;
+        string5 = nullptr;
-        string6 = 0;
+        string6 = nullptr;
-        string7 = 0;
+        string7 = nullptr;
       }
 
       char* string1;

src/include/final/ftextview.h

@@ -77,7 +77,7 @@ class FTextView : public FWidget
     using FWidget::setGeometry;
 
     // Constructor
-    explicit FTextView (FWidget* = 0);
+    explicit FTextView (FWidget* = nullptr);
     // Disable copy constructor
     FTextView (const FTextView&) = delete;
     // Destructor
@@ -145,8 +145,8 @@ class FTextView : public FWidget
 
     // Data Members
     FStringList        data{};
-    FScrollbar*        vbar{0};
+    FScrollbar*        vbar{nullptr};
-    FScrollbar*        hbar{0};
+    FScrollbar*        hbar{nullptr};
     bool               update_scrollbar{true};
     int                xoffset{0};
     int                yoffset{0};

src/include/final/ftogglebutton.h

@@ -74,8 +74,8 @@ class FToggleButton : public FWidget
     using FWidget::setGeometry;
 
     // Constructors
-    explicit FToggleButton (FWidget* = 0);
+    explicit FToggleButton (FWidget* = nullptr);
-    explicit FToggleButton (const FString&, FWidget* = 0);
+    explicit FToggleButton (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FToggleButton (const FToggleButton&) = delete;
     // Destructor
@@ -162,7 +162,7 @@ class FToggleButton : public FWidget
     friend class FButtonGroup;
 
     // Data Members
-    FButtonGroup* button_group{0};
+    FButtonGroup* button_group{nullptr};
     bool          focus_inside_group{true};
     FString       text{};
 };

src/include/final/ftooltip.h

@@ -75,8 +75,8 @@ class FToolTip : public FWindow
 {
   public:
     // Constructor
-    explicit FToolTip (FWidget* = 0);
+    explicit FToolTip (FWidget* = nullptr);
-    explicit FToolTip (const FString&, FWidget* = 0);
+    explicit FToolTip (const FString&, FWidget* = nullptr);
     // Disable copy constructor
     FToolTip (const FToolTip&) = delete;
     // Destructor
@@ -108,7 +108,7 @@ class FToolTip : public FWindow
 
     // Data Members
     FString       text{};
-    FString*      text_components{0};
+    FString*      text_components{nullptr};
     FStringList   text_split{};
     std::size_t   max_line_width{0};
     std::size_t   text_num_lines{0};

src/include/final/fvterm.h

@@ -427,12 +427,12 @@ class FVTerm
                            ;
 
     // Data Members
-    static        term_area* vterm;        // virtual terminal
+    static     term_area* vterm;           // virtual terminal
-    static        term_area* vdesktop;     // virtual desktop
+    static     term_area* vdesktop;        // virtual desktop
-    static        term_area* active_area;  // active area
+    static     term_area* active_area;     // active area
-    term_area*    print_area{0};           // print area for this object
+    term_area* print_area{nullptr};        // print area for this object
-    term_area*    child_print_area{0};     // print area for children
+    term_area* child_print_area{nullptr};  // print area for children
-    term_area*    vwin{0};                 // virtual window
+    term_area* vwin{nullptr};              // virtual window
 
   private:
     // Typedef and Enumeration
@@ -536,20 +536,20 @@ struct FVTerm::term_area  // define virtual terminal character properties
     // Disable assignment operator (=)
     term_area& operator = (const term_area&) = delete;
 
-    int offset_left{0};      // Distance from left terminal side
+    int offset_left{0};        // Distance from left terminal side
-    int offset_top{0};       // Distance from top of the terminal
+    int offset_top{0};         // Distance from top of the terminal
-    int width{-1};           // Window width
+    int width{-1};             // Window width
-    int height{-1};          // Window height
+    int height{-1};            // Window height
-    int right_shadow{0};     // Right window shadow
+    int right_shadow{0};       // Right window shadow
-    int bottom_shadow{0};    // Bottom window shadow
+    int bottom_shadow{0};      // Bottom window shadow
-    int cursor_x{0};         // X-position for the next write operation
+    int cursor_x{0};           // X-position for the next write operation
-    int cursor_y{0};         // Y-position for the next write operation
+    int cursor_y{0};           // Y-position for the next write operation
-    int input_cursor_x{-1};  // X-position input cursor
+    int input_cursor_x{-1};    // X-position input cursor
-    int input_cursor_y{-1};  // Y-position input cursor
+    int input_cursor_y{-1};    // Y-position input cursor
-    FWidget* widget{};       // Widget that owns this term_area
+    FWidget* widget{nullptr};  // Widget that owns this term_area
     FPreprocessing preprocessing_call{};
-    line_changes* changes{0};
+    line_changes* changes{nullptr};
-    charData* text{0};       // Text data for the output
+    charData* text{nullptr};   // Text data for the output
     bool input_cursor_visible{false};
     bool has_changes{false};
     bool visible{false};

src/include/final/fwidget.h

@@ -166,7 +166,7 @@ class FWidget : public FVTerm, public FObject
     };
 
     // Constructor
-    explicit FWidget (FWidget* = 0, bool = false);
+    explicit FWidget (FWidget* = nullptr, bool = false);
     // Disable copy constructor
     FWidget (const FWidget&) = delete;
     // Destructor
@@ -305,11 +305,11 @@ class FWidget : public FVTerm, public FObject
     void               clearStatusbarMessage();
     void               addCallback ( const FString&
                                    , FCallback
-                                   , data_ptr = null );
+                                   , data_ptr = nullptr );
     void               addCallback ( const FString&
                                    , FWidget*
                                    , FMemberCallback
-                                   , data_ptr = null );
+                                   , data_ptr = nullptr );
     void               delCallback (FCallback);
     void               delCallback (FWidget*);
     void               delCallbacks();
@@ -338,7 +338,7 @@ class FWidget : public FVTerm, public FObject
 
     // Data Members
     static widgetList* window_list;
-    Accelerators*      accelerator_list{0};
+    Accelerators*      accelerator_list{nullptr};
 
   protected:
     struct callback_data

src/include/final/fwindow.h

@@ -82,7 +82,7 @@ class FWindow : public FWidget
     using FWidget::move;
 
     // Constructor
-    explicit FWindow (FWidget* = 0);
+    explicit FWindow (FWidget* = nullptr);
     // Disable copy constructor
     FWindow (const FWindow&) = delete;
     // Destructor
@@ -179,7 +179,7 @@ class FWindow : public FWidget
     // Data Members
     bool            window_active{false};
     bool            zoomed{false};
-    FWidget*        win_focus_widget{0};
+    FWidget*        win_focus_widget{nullptr};
     FRect           normalGeometry{};
 };
 #pragma pack(pop)

test/Makefile.clang

@@ -29,7 +29,7 @@ endif
 all: $(OBJS)
 
 debug:
-	$(MAKE) $(MAKEFILE) DEBUG="-g -D DEBUG -Wall -Wextra -Wpedantic -Wpadded -Wno-c++98-compat -Wno-implicit-fallthrough"
+	$(MAKE) $(MAKEFILE) DEBUG="-g -D DEBUG -Wall -Wextra -Wpedantic -Wpadded -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-implicit-fallthrough"
 
 check: test
 test: debug

test/fkeyboard-test.cpp

@@ -279,7 +279,7 @@ class FKeyboardTest : public CPPUNIT_NS::TestFixture
     FKey key_pressed{0};
     FKey key_released{0};
     int  number_of_keys{0};
-    finalcut::FKeyboard* keyboard{0};
+    finalcut::FKeyboard* keyboard{nullptr};
 };
 #pragma pack(pop)
 

test/foptiattr-test.cpp

@@ -133,7 +133,7 @@ void FOptiAttrTest::noArgumentTest()
   CPPUNIT_ASSERT ( oa.isNormal(ch) );
 
   // Null test
-  finalcut::FOptiAttr::charData* ch_null = 0;
+  finalcut::FOptiAttr::charData* ch_null = nullptr;
   CPPUNIT_ASSERT ( oa.changeAttribute(ch, ch) == 0 );
   CPPUNIT_ASSERT_CSTRING ( oa.changeAttribute(ch, ch_null), C_STR("") );
   CPPUNIT_ASSERT_CSTRING ( oa.changeAttribute(ch_null, ch), C_STR("") );

test/fpoint-test.cpp

@@ -95,7 +95,7 @@ void FPointTest::classNameTest()
 //----------------------------------------------------------------------
 void FPointTest::noArgumentTest()
 {
-  const finalcut::FPoint point;
+  const finalcut::FPoint point{};
   CPPUNIT_ASSERT ( point.getX() == 0 );
   CPPUNIT_ASSERT ( point.getY() == 0 );
   CPPUNIT_ASSERT ( point.isNull() );
@@ -226,8 +226,8 @@ void FPointTest::equalTest()
   CPPUNIT_ASSERT ( p1 == p2 );
   CPPUNIT_ASSERT ( finalcut::FPoint(1,2) == p2 );
   CPPUNIT_ASSERT ( p1 == finalcut::FPoint(1,2) );
-  const finalcut::FPoint p3;
+  const finalcut::FPoint p3{};
-  const finalcut::FPoint p4;
+  const finalcut::FPoint p4{};
   CPPUNIT_ASSERT ( p3 == p4 );
   CPPUNIT_ASSERT ( p3 == -p4 );
 }

test/frect-test.cpp

@@ -99,7 +99,7 @@ void FRectTest::classNameTest()
 //----------------------------------------------------------------------
 void FRectTest::noArgumentTest()
 {
-  const finalcut::FRect rectangle;
+  const finalcut::FRect rectangle{};
   CPPUNIT_ASSERT ( rectangle.getX1() == 0 );
   CPPUNIT_ASSERT ( rectangle.getY1() == 0 );
   CPPUNIT_ASSERT ( rectangle.getX2() == -1 );
@@ -299,8 +299,8 @@ void FRectTest::equalTest()
   CPPUNIT_ASSERT ( r1 == r2 );
   CPPUNIT_ASSERT ( finalcut::FRect(1, 2, 10, 20) == r2 );
   CPPUNIT_ASSERT ( r1 == finalcut::FRect(1, 2, 10, 20) );
-  const finalcut::FRect r3;
+  const finalcut::FRect r3{};
-  const finalcut::FRect r4;
+  const finalcut::FRect r4{};
   CPPUNIT_ASSERT ( r3 == r4 );
 }
 

test/fstring-test.cpp

@@ -584,8 +584,8 @@ void FStringTest::equalTest()
   const std::wstring wst = L"abc";
   CPPUNIT_ASSERT ( str == wst );
 
-  const finalcut::FString null_str1;
+  const finalcut::FString null_str1{};
-  const finalcut::FString null_str2;
+  const finalcut::FString null_str2{};
   CPPUNIT_ASSERT ( ! (str == null_str2) );
   CPPUNIT_ASSERT ( ! (null_str1 == str) );
   CPPUNIT_ASSERT ( null_str1 == null_str2 );
@@ -635,8 +635,8 @@ void FStringTest::notEqualTest()
   const std::wstring wst = L"abc";
   CPPUNIT_ASSERT ( s1 != wst );
 
-  const finalcut::FString null_str1;
+  const finalcut::FString null_str1{};
-  const finalcut::FString null_str2;
+  const finalcut::FString null_str2{};
   CPPUNIT_ASSERT ( s1 != null_str2 );
   CPPUNIT_ASSERT ( null_str1 != s1 );
   CPPUNIT_ASSERT ( ! (null_str1 != null_str2) );
@@ -680,8 +680,8 @@ void FStringTest::lessEqualTest()
   CPPUNIT_ASSERT ( s1 <= wst1 && s1 == wst1 );
   CPPUNIT_ASSERT ( s1 <= wst2 && s1 != wst2 );
 
-  const finalcut::FString null_str1;
+  const finalcut::FString null_str1{};
-  const finalcut::FString null_str2;
+  const finalcut::FString null_str2{};
   const finalcut::FString empty("");
   CPPUNIT_ASSERT ( ! (s1 <= null_str2) );
   CPPUNIT_ASSERT ( null_str1 <= s2 );
@@ -715,8 +715,8 @@ void FStringTest::lessTest()
   const std::wstring wst = L"xzz";
   CPPUNIT_ASSERT ( s1 < wst );
 
-  const finalcut::FString null_str1;
+  const finalcut::FString null_str1{};
-  const finalcut::FString null_str2;
+  const finalcut::FString null_str2{};
   CPPUNIT_ASSERT ( ! (s1 < null_str2) );
   CPPUNIT_ASSERT ( null_str1 < s2 );
   CPPUNIT_ASSERT ( ! (null_str1 < null_str2) );
@@ -758,8 +758,8 @@ void FStringTest::greaterEqualTest()
   CPPUNIT_ASSERT ( s1 >= wst1 && s1 == wst1 );
   CPPUNIT_ASSERT ( s1 >= wst2 && s1 != wst2 );
 
-  const finalcut::FString null_str1;
+  const finalcut::FString null_str1{};
-  const finalcut::FString null_str2;
+  const finalcut::FString null_str2{};
   const finalcut::FString empty("");
   CPPUNIT_ASSERT ( s1 >= null_str2 );
   CPPUNIT_ASSERT ( ! (null_str1 >= s2) );
@@ -793,8 +793,8 @@ void FStringTest::greaterTest()
   const std::wstring wst = L"xww";
   CPPUNIT_ASSERT ( s1 > wst );
 
-  const finalcut::FString null_str1;
+  const finalcut::FString null_str1{};
-  const finalcut::FString null_str2;
+  const finalcut::FString null_str2{};
   CPPUNIT_ASSERT ( s1 > null_str2 );
   CPPUNIT_ASSERT ( ! (null_str1 > s2) );
   CPPUNIT_ASSERT ( ! (null_str1 > null_str2) );
@@ -1032,7 +1032,7 @@ void FStringTest::formatTest()
   CPPUNIT_ASSERT ( str2 == "Add a looo" + finalcut::FString(2048, 'o')
                            + "ooong string" );
 
-  const finalcut::FString null_fstring;
+  const finalcut::FString null_fstring{};
   str2.sprintf (null_fstring, 0);
   CPPUNIT_ASSERT ( str2.isNull() );
 
@@ -1272,7 +1272,7 @@ void FStringTest::trimTest()
   CPPUNIT_ASSERT ( trim_str2.ltrim().getLength() == 0 );
   CPPUNIT_ASSERT ( trim_str2.ltrim().capacity() == 0 );
 
-  const finalcut::FString trim_str3;
+  const finalcut::FString trim_str3{};
   CPPUNIT_ASSERT ( trim_str3.ltrim().isEmpty() );
   CPPUNIT_ASSERT ( trim_str3.ltrim().isEmpty() );
   CPPUNIT_ASSERT ( trim_str3.ltrim().getLength() == 0 );
@@ -1663,7 +1663,7 @@ void FStringTest::removeTest()
 void FStringTest::includesTest()
 {
   const finalcut::FString str = "Look behind you, a three-headed monkey!";
-  const finalcut::FString empty1;
+  const finalcut::FString empty1{};
   const wchar_t* empty2 = 0;
   const char* empty3 = 0;
   const finalcut::FString search1 = "you";

test/ftermdetection-test.cpp

@@ -436,7 +436,7 @@ class FTermDetectionTest : public CPPUNIT_NS::TestFixture
 #pragma pack(pop)
 
 // static class attributes
-bool* FTermDetectionTest::shared_state = 0;
+bool* FTermDetectionTest::shared_state = nullptr;
 
 //----------------------------------------------------------------------
 FTermDetectionTest::FTermDetectionTest()