#ifndef CONTAINERVWIDGET_H
#define CONTAINERVWIDGET_H

#include "Widget.h"



/// Example of program using ContainerVWidget controls
///
/// The following simple example demonstrates how to use the ContainerVWidget controls.
/// \image html ContainerVWidgetExample.jpg
///
/// ### Examples of usage:
/// ~~~~~~~~~~~~~~~~~~~~~~.cpp
/// #include "Toolkit/GUIToolkit.h"
///
/// int main ( int argc, char** argv )
/// {
///     bool done = false;
///
///     WidgetApplication *MyApp = new WidgetApplication();
///     MyApp->setuniformbackgroundcolor(0, 0, 0);
///
///     DesktopWidget *desktop1 = new DesktopWidget( (char*) "First Desktop", 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, nullptr );
///
///    WindowWidget *window = new WindowWidget( (char*) "Examples of ContainerVWidget", 5, 5, 310, 230, desktop1 );
///    ContainerVWidget *containervert = new ContainerVWidget( (char*) "container", 1, 1, 1, 1, window );
///
///    LabelWidget *labelB = new LabelWidget( (char*) "Examples of ContainerVWidget", 1, 1, 1, 1, containervert );
///
///    ContainerHWidget *contH1 = new ContainerHWidget( (char*) "container", 1, 1, 1, 1, containervert );
///    CommuterWidget *com11 = new CommuterWidget( (char*) "St.1 Normal", 1, 1, 1, 1, contH1 );
///    com11->settype( CommuterWidget::style1 );
///    com11->setnormal();
///    CommuterWidget *com12 = new CommuterWidget( (char*) "St.1 Reverse", 1, 1, 1, 1, contH1 );
///    com12->settype( CommuterWidget::style1 );
///    com12->setreversed();
///
///    ContainerHWidget *contH2 = new ContainerHWidget( (char*) "container", 1, 1, 1, 1, containervert );
///    CommuterWidget *com21 = new CommuterWidget( (char*) "St.2 Normal", 1, 1, 1, 1, contH2 );
///    com21->settype( CommuterWidget::style2 );
///    com21->setnormal();
///    CommuterWidget *com22 = new CommuterWidget( (char*) "St.2 Reverse", 1, 1, 1, 1, contH2 );
///    com22->settype( CommuterWidget::style2 );
///    com22->setreversed();
///
///    ContainerHWidget *contH3 = new ContainerHWidget( (char*) "container", 1, 1, 1, 1, containervert );
///    CommuterWidget *com31 = new CommuterWidget( (char*) "St.3 Normal", 1, 1, 1, 1, contH3 );
///    com31->settype( CommuterWidget::style3 );
///    com31->setnormal();
///    CommuterWidget *com32 = new CommuterWidget( (char*) "St.3 Reverse", 1, 1, 1, 1, contH3 );
///    com32->settype( CommuterWidget::style3 );
///    com32->setreversed();
///
///    ContainerHWidget *contH4 = new ContainerHWidget( (char*) "container", 1, 1, 1, 1, containervert );
///    CommuterWidget *com41 = new CommuterWidget( (char*) "St.4 Normal", 1, 1, 1, 1, contH4 );
///    com41->settype( CommuterWidget::style4 );
///    com41->setnormal();
///    CommuterWidget *com42 = new CommuterWidget( (char*) "St.4 Reverse", 1, 1, 1, 1, contH4 );
///    com42->settype( CommuterWidget::style4 );
///    com42->setreversed();
///
///     // the button to be clicked to quit
///     ButtonWidget *buttonQuit = new ButtonWidget( (char*) "Quit [CTRL]+[ESC]", 1, 1, 1, 1, contH );
///
///     // We ask for an automatic positioning of the widgets in the grid
///     // Note : this will fully override the dimensions given to the Widgets manually
///     window->adjust();
///
///     MyApp->addchild( desktop1 );
///
///     KeyboardTask *keyboard = MyApp->getkeyboardhandler();
///
///     // We render the app for the first time so what we can see what's happening on the screen
///     MyApp->render();
///
///     while (!done)
///     {
///
///         MyApp->logic();
///
///         if ((keyboard->kbCTRL && keyboard->kbESC) || buttonQuit->ispressed()) done = true;
///
///     }
///
///     return 0;
/// }
/// ~~~~~~~~~~~~~~~~~~~~~~



/// ContainerVWidget class.
///
/// The class to be used for using a ContainerVWidget control widget.
/// ContainerVWidget inherits from Widget class.
/// @see  Widget
///
/// ### Examples of usage:
/// ~~~~~~~~~~~~~~~~~~~~~~.cpp
/// CommuterWidget* myContainerV = new ContainerVWidget();        // Simple constructor, will need specific properties assignement later
/// ~~~~~~~~~~~~~~~~~~~~~~
/// ~~~~~~~~~~~~~~~~~~~~~~.cpp
/// CommuterWidget* myContainerV = new ContainerVWidget( "I am a ContainerVWidget", 10, 50, 100, 15, parent );        // Full constructor
/// ~~~~~~~~~~~~~~~~~~~~~~
class ContainerVWidget : public Widget
{
public:


    /// Simple constructor.
    ///
    /// Widget properties are set to default, nothing more.
    /// Simple constructor, will need specific properties assignement later.
    /// @param None
    /// @returns Nothing
    /// @see Widget()
    ContainerVWidget()
    {
        widgettype = (char*) "ContainerV";
    };


    /// Advanced constructor.
    ///
    /// Widget properties are set with parameters values given at call.
    /// @param l : text string (char*) that will be used as the ContainerHWidget textual content
    /// @param x : position x in pixels relatively to the parent Widget usable drawspace
    /// @param y : position y in pixels relatively to the parent Widget usable drawspace
    /// @param w : width in pixel of the ButtonWidget
    /// @param h : height in pixel of the ButtonWidget
    /// @param p : pointer type to a Widget* to create a link with the parent widget (if any).
    /// @note *p* should be set to *nullptr* if no parent exists
    /// @note *p* can be omitted (i.e. set to *nullptr*) and parent-children link can be created with a call to the Widget::addchild() method of the parent Widget.
    /// @returns Nothing
    /// @see Widget( char*, int, int, int, int, Widget* )
    ContainerVWidget( char *l, unsigned int x, unsigned int y, unsigned int w, unsigned int h, Widget *p ) : Widget( l, x, y, w, h, p )
    {
        widgettype = (char*) "ContainerV";
    };


    /// Object destructor
    ///
    /// Object destructor, remove all trace of the object and free allocated memory
    /// @param None
    /// @returns Nothing
    /// @see ~Widget()
    virtual ~ContainerVWidget() { };


    /// Adjust method
    ///
    /// This method permits to automatically adjust the dimensions of  both the container and of the children widgets
    /// @param None
    /// @returns Nothing
    /// @see Widget::adjust()
    virtual void adjust() override;


    /// How many children do have the container ?
    ///
    /// This method returns the number of children of the container (this is very usefull for setting their dimensions in the adjust() method.
    /// @param None
    /// @returns int number of children of the container
    /// @see ~Widget()
    virtual int getsize()
    {
        return nbchildren;
    };


    /// The ContainerVWidget logic mechanism
    ///
    /// Widget method to be launched to drive the the mechanics behind the CheckBoxWidget behavior.
    /// @param mouse : pointer to a CursorTask handler object serving at passing the mouse (Touchpad) state and position
    /// @param keyboard : pointer to a KeyboardTask handler object serving at passing the keyboard state
    /// @returns Nothing, but will launch the logic() method of all the Widgets belonging to chidren (vector<Widget*>)
    /// @note This method overrides Widget::logic( CursorTask*, KeyboardTask*)
    /// @note This method is not intended to be used by a direct call from the user, it is normally called through cascaded calls to children->logic() from the WidgetApplication class
    /// @note Direct call can be used when the Widget is used out of the WidgetApplication 'ecosystem', for example in an application that just use few individual widgets (not recommended cause it may need intensive work from the developper to create adequate working conditions).
    /// @warning Before calling the logic method, a mouse handler and a keyboard handler must be instancied and properly updated through their respective logic() methods. This is normally done by using the WidgetApplication class.
    virtual void logic( CursorTask *mouse, KeyboardTask *keyboard ) override;


    /// The ContainerVWidget render method.
    ///
    /// Widget method to be launched to draw the ContainerHWidget.
    /// This actually do nothing cause ContainerHWidget and ContainerVWidget are just containers and nothing is actually drawn
    /// But this method is overriden as for all Widget and cascades the render() order to children widgets
    /// @param screen : pointer to a SDL_Surface object where we would like to draw the widget
    /// @param colors : pointer to a ColorEngine object giving all the color options to be used (theme) for drawing the widget
    /// @param fonts : pointer to a FontEngine object giving all the fonts options to be used (theme) for drawing the widget
    /// @returns Nothing, but will launch the render() method of all the Widgets belonging to chidren (vector<Widget*>)
    /// @note This method overrides Widget::render( SDL_Surface*, ColorEngine*, FontEngine*)
    /// @note This method is not intended to be used by a direct call from the user, it is normally called through cascaded calls to children->render() from the WidgetApplication class.
    /// @note Direct call can be used when the Widget is used out of the WidgetApplication 'ecosystem', for example in an application that just use few individual widgets (not recommended cause it may need intensive work from the developper to create adequate working conditions).
    /// @warning Before calling the render method, a SDL_Surface (i.e. a rendering context) as well as a ColorEngine and FontEngine objects must be properly instancied. This is normally done by using the WidgetApplication class.
    virtual void render( SDL_Surface *screen, ColorEngine *colors, FontEngine *fonts ) override;

protected:


private:

};

#endif// CONTAINERVWIDGET_H