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#include <X11/X.h>
#include <X11/Xlib.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#define NIL (0)
#define internal static
#define global static
#define local static
typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
typedef int8_t i8;
typedef int16_t i16;
typedef int32_t i32;
typedef int64_t i64;
typedef float f32;
typedef double f64;
typedef i16 b16;
typedef i32 b32;
typedef struct
{
i32 x;
i32 y;
u32 height;
u32 width;
u32 border_width;
i32 window_depth;
u32 window_class;
u64 value_mask;
} WindowProperties;
typedef struct
{
i32 x;
i32 y;
i32 z;
} vertex;
void
sleep_ms(long ms)
{
struct timespec ts;
ts.tv_sec = ms / 1000;
ts.tv_nsec = (ms % 1000) * 1000000L;
while (nanosleep(&ts, &ts))
{
NULL;
}
}
void
move_down(double *y)
{
++*y;
}
void
move_up(double *y)
{
--*y;
}
typedef struct
{
void (*move)(double *a);
} movement;
int
main()
{
Display *MainDisplay = XOpenDisplay(NIL);
Window root = XDefaultRootWindow(MainDisplay);
int screen = DefaultScreen(MainDisplay);
Visual *v = DefaultVisual(MainDisplay, screen);
XSetWindowAttributes wa = {
.background_pixmap = None,
.background_pixel = BlackPixel(MainDisplay, DefaultScreen(MainDisplay)),
.border_pixmap = CopyFromParent,
.border_pixel = 0,
.bit_gravity = ForgetGravity,
.win_gravity = NorthWestGravity,
.backing_store = NotUseful,
.backing_planes = 1,
.backing_pixel = 0,
.save_under = False,
.event_mask = {},
.do_not_propagate_mask = {},
.override_redirect = False,
.colormap = CopyFromParent,
.cursor = None
};
i32 dp_heigth = DisplayHeight(MainDisplay, screen);
i32 dp_width = DisplayWidth(MainDisplay, screen);
WindowProperties p = {
.x = dp_width / 2,
.y = dp_heigth / 2,
.width = (u32)400,
.height = (u32)400,
.border_width = 0,
.window_depth = CopyFromParent,
.window_class = CopyFromParent,
.value_mask = CWBackPixel,
};
Window window =
XCreateWindow(
MainDisplay,
root,
p.x,
p.y,
p.width,
p.height,
p.border_width,
p.window_depth,
p.window_class,
v,
p.value_mask,
&wa);
XSetWindowBorder(MainDisplay, window, 60);
XSelectInput(MainDisplay, window, ExposureMask | StructureNotifyMask);
XMapWindow(MainDisplay, window);
double x = p.width / 2;
double y = p.height / 2;
u32 rect_width = 50;
u32 rect_height = 50;
b16 running = 1;
u64 color = 0x0000ff00;
GC gc = XCreateGC(MainDisplay, window, 0, NIL);
GC textGc = XCreateGC(MainDisplay, window, 0, NIL);
XSetForeground(MainDisplay, gc, color);
double *pX = &x;
double *pY = &y;
movement m = {
.move = move_down
};
while (running)
{
if (*pY + rect_height >= p.height)
{
m.move = move_up;
}
else if (*pY <= 0)
{
m.move = move_down;
}
char words[] = "working";
XTextItem ti = {
.chars = words,
.nchars = (int)strlen(words),
.delta = 0,
.font = None
};
XClearWindow(MainDisplay, window);
XDrawText(
MainDisplay,
window,
textGc,
50,
50,
&ti,
1);
XFillRectangle(
MainDisplay,
window,
gc,
(i32)*pX,
(i32)*pY,
rect_height,
rect_width);
XFillRectangle(
MainDisplay,
window,
gc,
(i32)*pX + 100,
(i32)*pY,
rect_height,
rect_width);
XFillRectangle(
MainDisplay,
window,
gc,
(i32)*pX - 100,
(i32)*pY,
rect_height,
rect_width);
m.move(pY);
sleep_ms(10);
XFlush(MainDisplay);
}
XFreeGC(MainDisplay, gc);
XFreeGC(MainDisplay, textGc);
XCloseDisplay(MainDisplay);
return 0;
}
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