class: ewol::widget::Scroll
enum:
Constructor and Destructor:
# Scroll ();
+ virtual ~Scroll ();
Synopsis:
# ewol::object::ParamRange<vec2> m_limit;
# void init (const std::string & _shaperName);
+ DECLARE_WIDGET_FACTORY (Scroll ,
"Scroll" );
+ void setLimit (const vec2 & _limit);
+ const vec2 & getLimit () const;
+ void calculateMinMaxSize ();
+ virtual void onRegenerateDisplay ();
+ virtual bool onEventInput (const ewol::event::Input & _event);
+ virtual void systemDraw (const ewol::DrawProperty & _displayProp);
+ virtual std::shared_ptr<ewol::Widget> getWidgetAtPos (const vec2 & _pos);
# virtual void onDraw ();
# virtual void onParameterChangeValue (const ewol::object::ParameterRef & _paramPointer);
Object Hierarchy:
+std::enable_shared_from_this<Object>
+ewol::object::ParameterList
+ewol::object::SignalList
+--> +ewol::Object
+--> +ewol::Widget
+--> +ewol::widget::Container
+--> ewol::widget::Scroll
Detail:
m_limit
# ewol::object::ParamRange<vec2> m_limit;
Scroll
# Scroll ();
init
# void init (const std::string & _shaperName);
DECLARE_WIDGET_FACTORY
+ DECLARE_WIDGET_FACTORY (Scroll ,
"Scroll" );
~Scroll
+ virtual ~Scroll ();
setLimit
+ void setLimit (const vec2 & _limit);
set the limit of scrolling
Note: This permit to scoll element upper the end of the display
Parameter [input]: _limit scrolling limit [0..1] (represent a pourcent)
getLimit
+ const vec2 & getLimit () const;
get the limit of scrolling
Return: scrolling limit
calculateMinMaxSize
+ void calculateMinMaxSize ();
calculate the minimum and maximum size (need to estimate expend properties of the widget)
Note: : INTERNAL EWOL SYSTEM
onRegenerateDisplay
+ virtual void onRegenerateDisplay ();
Event generated when a redraw is needed
onEventInput
+ virtual bool onEventInput (const ewol::event::Input & _event);
Event on an input of this Widget (finger, mouse, stilet)
Parameter [input]: _event Event properties
Return: true the event is used<br/>false the event is not used
systemDraw
+ virtual void systemDraw (const ewol::DrawProperty & _displayProp);
{SYSTEM} extern interface to request a draw ... (called by the drawing thread [Android, X11, ...])
This function generate a clipping with the viewport openGL system. Like this a widget draw can not draw over an other widget
Note: This function is virtual for the scrolled widget, and the more complicated openGl widget
Note: : INTERNAL EWOL SYSTEM
Parameter [input]: _displayProp properties of the current display
getWidgetAtPos
+ virtual std::shared_ptr<ewol::Widget> getWidgetAtPos (const vec2 & _pos);
get the widget at the specific windows absolute position
Note: : INTERNAL EWOL SYSTEM
Parameter [input]: _pos gAbsolute position of the requested widget knowledge
Return: nullptr No widget found<br/>pointer on the widget found
onDraw
# virtual void onDraw ();
Common widget drawing function (called by the drawing thread [Android, X11, ...])
onParameterChangeValue
# virtual void onParameterChangeValue (const ewol::object::ParameterRef & _paramPointer);
+std::enable_shared_from_this<Object>
+ewol::object::ParameterList
+ewol::object::SignalList
+--> +ewol::Object
+--> +ewol::Widget
+--> +ewol::widget::Container
+--> ewol::widget::Scroll
Detail:
m_limit
# ewol::object::ParamRange<vec2> m_limit;
Scroll
# Scroll ();
init
# void init (const std::string & _shaperName);
DECLARE_WIDGET_FACTORY
+ DECLARE_WIDGET_FACTORY (Scroll ,
"Scroll" );
~Scroll
+ virtual ~Scroll ();
setLimit
+ void setLimit (const vec2 & _limit);set the limit of scrolling
Note: This permit to scoll element upper the end of the display
| Parameter [input]: | _limit | scrolling limit [0..1] (represent a pourcent) |
getLimit
+ const vec2 & getLimit () const;get the limit of scrolling
| Return: | scrolling limit |
calculateMinMaxSize
+ void calculateMinMaxSize ();calculate the minimum and maximum size (need to estimate expend properties of the widget)
Note: : INTERNAL EWOL SYSTEM
onRegenerateDisplay
+ virtual void onRegenerateDisplay ();Event generated when a redraw is needed
onEventInput
+ virtual bool onEventInput (const ewol::event::Input & _event);Event on an input of this Widget (finger, mouse, stilet)
| Parameter [input]: | _event | Event properties |
| Return: | true the event is used<br/>false the event is not used |
systemDraw
+ virtual void systemDraw (const ewol::DrawProperty & _displayProp);{SYSTEM} extern interface to request a draw ... (called by the drawing thread [Android, X11, ...]) This function generate a clipping with the viewport openGL system. Like this a widget draw can not draw over an other widget
Note: This function is virtual for the scrolled widget, and the more complicated openGl widget
Note: : INTERNAL EWOL SYSTEM
| Parameter [input]: | _displayProp | properties of the current display |
getWidgetAtPos
+ virtual std::shared_ptr<ewol::Widget> getWidgetAtPos (const vec2 & _pos);get the widget at the specific windows absolute position
Note: : INTERNAL EWOL SYSTEM
| Parameter [input]: | _pos | gAbsolute position of the requested widget knowledge |
| Return: | nullptr No widget found<br/>pointer on the widget found |
onDraw
# virtual void onDraw ();Common widget drawing function (called by the drawing thread [Android, X11, ...])
onParameterChangeValue
# virtual void onParameterChangeValue (const ewol::object::ParameterRef & _paramPointer);