| #include "helloworld.h" |
| |
| #include <iostream> |
| |
| HelloWorld::HelloWorld() |
| : m_button("Hello World") // creates a new button with label "Hello World". |
| { |
| // Sets the border width of the window. |
| set_border_width(10); |
| |
| // When the button receives the "clicked" signal, it will call the |
| // on_button_clicked() method defined below. |
| m_button.signal_clicked().connect( |
| sigc::mem_fun(*this, &HelloWorld::on_button_clicked)); |
| |
| // This packs the button into the Window (a container). |
| add(m_button); |
| |
| // The final step is to display this newly created widget... |
| m_button.show(); |
| } |
| |
| HelloWorld::~HelloWorld() |
| { |
| } |
| |
| void HelloWorld::on_button_clicked() |
| { |
| std::cout << "Hello World" << std::endl; |
| } |