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#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <assert.h>

#include <sys/types.h>

#include <sys/time.h>

#include <X11/Xproto.h>

#include <X11/Xatom.h>

#include <X11/Xlib.h>

#include <X11/Xutil.h>

#include <X11/Xresource.h>

#include <X11/keysym.h>



#include "WinMgr.h"



/// _SET would be nice to have

#define _NET_WM_STATE_REMOVE 0

#define _NET_WM_STATE_ADD 1

#define _NET_WM_STATE_TOGGLE 2



#define KEY_MODMASK(x) ((x) & (ControlMask | ShiftMask | Mod1Mask))

#define BUTTON_MASK(x) ((x) & (Button1Mask | Button2Mask | Button3Mask))

#define BUTTON_MODMASK(x) ((x) & (ControlMask | ShiftMask | Mod1Mask | Button1Mask | Button2Mask | Button3Mask))



static char *displayName = 0;

static Display *display = 0;

static Colormap defaultColormap;

static Window root = None;

static Window window = None;





int rx = -1, ry = -1;

int wx = -1, wy = -1;

int ww = -1, wh = -1;



int main(int argc, char **argv) {

    XSetWindowAttributes attr;

    Atom state[1];



    assert((display = XOpenDisplay(displayName)) != 0);

    root = RootWindow(display, DefaultScreen(display));

    defaultColormap = DefaultColormap(display, DefaultScreen(display));



    window = XCreateWindow(display, root,

                           100,

                           100,

                           64, 64,

                           0,

                           CopyFromParent, InputOutput, CopyFromParent,

                           0, &attr);



    XSetWindowBackground(display, window, BlackPixel(display, DefaultScreen(display)));



    XSelectInput(display, window,

                 StructureNotifyMask |

                 ButtonPressMask | ButtonReleaseMask |

                 KeyPressMask | KeyReleaseMask |

                 PropertyChangeMask);



    XSelectInput(display, root, PropertyChangeMask);

    

    XMapRaised(display, window);

    

    while (1) {

        if (argc > 1) {

            int nwx, nwy, nww, nwh;

            int nrx, nry;

            int bw;

            int depth;

            Window xroot, child;



            XGetGeometry(display, window, &xroot, &nwx, &nwy, &nww, &nwh, &bw, &depth);

            XTranslateCoordinates(display, window, root, 0, 0, &nrx, &nry, &child);



            if (nwx != wx || nwy != wy || nww != ww || nwh != nwh || nrx != rx || nry != ry) {

                fprintf(stderr, "%d %d %d %d %d %d\n", nwx, nwy, nww, nwh, nrx, nry);

                wx = nwx;

                wy = nwy;

                ww = nww;

                wh = nwh;

                rx = nrx;

                ry = nry;

            }



            XFlush(display);

        } else {

            XEvent xev;

            XConfigureEvent &configure = xev.xconfigure;

//            XMapEvent &map = xev.xmap;



            XNextEvent(display, &xev);



            switch (xev.type) {

            case ConfigureNotify:

                fprintf(stderr, "ConfigureNotify %d %d %d %d %d\n",

                        configure.x, configure.y, 

                        configure.width, configure.height,

                        configure.send_event);

                break;

            case MapNotify:

                fprintf(stderr, "MapNotify\n");

                break;

            case PropertyNotify:

                break;

            default:

                fprintf(stderr, "event=%d\n", xev.type);

                break;

            }

        }

    }

}