src/MyWindow.cpp

#include "../include/MyWindow.h"
#include <string>
#include <iostream>
#include <X11/Xlib.h>

int         MyWindow::default_width   = 400;
int         MyWindow::default_height  = 400;
std::string MyWindow::default_caption = "Hello World!";

MyWindow::MyWindow()
{   //ctor
    Display*                display = XOpenDisplay(NULL);
    Visual*                  visual = XDefaultVisual(display, 0);
    int                       depth = XDefaultDepth(display, 0);
    XSetWindowAttributes attributes;
    Window                   window = XCreateWindow(display, XRootWindow(display, 0), 0, 0, MyWindow::default_width, MyWindow::default_height, 16, depth, InputOutput, visual, CWBackPixel, &attributes);
    XStoreName(display, window, MyWindow::default_caption.c_str());
    XSelectInput(display, window, ExposureMask | KeyPressMask | KeyReleaseMask);
}

MyWindow::~MyWindow()
{   //dtor
}

void MyWindow::loop()
{
    XEvent event;
    while (true) {
        XNextEvent(display, &event);
        switch(event.type) {
            case Expose: {
                std::cout << "draw" << std::endl;
                break;
            }
            case KeyPress: {
                std::cout << "Key Pressed: " << event.xkey.keycode << std::endl;
                break;
            }
            case KeyRelease: {
                std::cout << "Key Released: " << event.xkey.keycode << std::endl;
                break;
            }
            default: {break;}
        }
    }
}

void MyWindow::show() {
    XMapWindow(display, window);
}