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gcn::Button

gcn::Button Class Reference

#include <button.hpp>

Inheritance diagram for gcn::Button:

gcn::Widget gcn::MouseListener gcn::KeyListener List of all members.

Detailed Description

A regular button.

Add an ActionListener to it to know when it has been clicked.

NOTE: You can only have text (a caption) on the button. If you want it to handle, for instance images, you can implement an ImageButton of your own and overload member functions from Button.

Definition at line 73 of file button.hpp.

Public Member Functions

 Button ()
 Constructor.
 Button (const std::string &caption)
 Constructor.
virtual void setCaption (const std::string &caption)
 Sets the Button caption.
virtual const std::string & getCaption () const
 Gets the Button caption.
virtual void setAlignment (unsigned int alignment)
 Sets the alignment for the caption.
virtual unsigned int getAlignment () const
 Gets the alignment for the caption.
virtual void adjustSize ()
 Adjusts the buttons size to fit the content.
virtual bool isPressed () const
 Checks if the button is pressed down.
virtual void draw (Graphics *graphics)
 Draws the Widget.
virtual void drawBorder (Graphics *graphics)
 Draws a the Widget border.
virtual void lostFocus ()
 Called if the Widget looses focus.
virtual void mouseClick (int x, int y, int button, int count)
 Called when a mouse button is pressed and released (clicked) when the mouse is in the Widget area or if the Widget has focus.
virtual void mousePress (int x, int y, int button)
 Called when a mouse button is pressed when the mouse is in the Widget area or if the Widget has focus.
virtual void mouseRelease (int x, int y, int button)
 Called when a mouse button is released when the mouse is in the Widget area or if the Widget has focus.
virtual void keyPress (const Key &key)
 Called if a key is pressed when the widget has keyboard focus.
virtual void keyRelease (const Key &key)
 Called if a key is released when the widget has keyboard focus.

Protected Attributes

std::string mCaption
bool mMouseDown
bool mKeyDown
unsigned int mAlignment

Constructor & Destructor Documentation

gcn::Button::Button (  const std::string &  caption  ) 
 

Constructor.

Parameters:
caption the caption of the Button.

Definition at line 74 of file button.cpp.

References gcn::Widget::addKeyListener(), gcn::Widget::addMouseListener(), adjustSize(), gcn::Widget::setBorderSize(), and gcn::Widget::setFocusable().

Member Function Documentation

void gcn::Button::draw (  Graphics *  graphics  )  [virtual]
 

Draws the Widget.

It is called by the parent widget when it is time for the Widget to draw itself. The graphics object is set up so that all drawing is relative to the Widget, i.e coordinate (0,0) is the top-left corner of the Widget. It is not porelative to the Widget, i.e coordinate (0,0) is the top-left corner of the Widget. It is not porelative to the Widget, i.e coordinate (0,0) is the top-left corner of the Widget. It is not porelative to the Widget, i.e coordinate (0,0) is the top-left corner of the Widget. It is not porelative to the Widget, i.e coordinate (0,0) is the top-left corner of the Widget. It is not porelative to the Widget, i.e coordinate (0,0) is the top-left corner of the Widget. It is not porelative to the Widget, i.e coordinate (0,0) is the top-left corner of the Widget. It is not porelative to the Widget, i.e coordinate (0,0) is the top-left corner of the Widget. It is not porelative to the Widget, i.e coordinate (0,0) is the top-left corner of the Widget. 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