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#include <stdlib.h>
#include <stdio.h>
#include <xcb/xcb.h>
int main(int argc, char **argv)
{
xcb_point_t points[] = {
{10, 10},
{10, 20},
{20, 10},
{20, 20}
};
xcb_point_t polyline[] = {
{50, 10},
{ 5, 20},
{20,-20},
{10, 10}
};
xcb_segment_t segments[] = {
{100, 10, 140, 30},
{110, 25, 130, 60}
};
xcb_rectangle_t rectangles[] = {
{10, 50, 40, 20},
{80, 50, 10, 40}
};
xcb_arc_t arcs[] = {
{10, 100, 60, 40, 0, 90 << 6},
{90, 100, 55, 40, 0, 270 << 6}
};
xcb_connection_t *connection = xcb_connect(NULL, NULL);
xcb_screen_t *screen = xcb_setup_roots_iterator(xcb_get_setup(connection)).data;
xcb_drawable_t window = screen->root;
xcb_gcontext_t foreground = xcb_generate_id(connection);
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_GRAPHICS_EXPOSURES;
uint32_t values[2] = { screen->black_pixel, 0};
xcb_create_gc(connection, foreground, window, mask, values);
window = xcb_generate_id(connection);
mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
values[0] = screen->white_pixel;
values[1] = XCB_EVENT_MASK_EXPOSURE;
xcb_create_window(connection,
screen->root_depth,
window,
screen->root,
0, 0,
150, 150,
10,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual,
mask, values);
xcb_map_window(connection, window);
xcb_flush(connection);
printf("Window mapped.\n");
xcb_generic_event_t *event;
while ((event = xcb_wait_for_event(connection))) {
printf("We're waiting.\n");
switch (event->response_type & ~0x80) {
case XCB_EXPOSE:
printf("Expose event.\n");
xcb_poly_point(connection,
XCB_COORD_MODE_ORIGIN,
window,
foreground,
4, points);
xcb_poly_line(connection,
XCB_COORD_MODE_PREVIOUS,
window,
foreground,
4, polyline);
xcb_poly_segment(connection,
window,
foreground,
2, segments);
xcb_poly_rectangle(connection,
window,
foreground,
2, rectangles);
xcb_poly_arc(connection,
window,
foreground,
2, arcs);
xcb_flush(connection);
break;
default:
break;
}
free(event);
}
printf("We did derp.\n");
xcb_disconnect(connection);
/*#include <stdbool.h>*/
/*#include <stdio.h>*/
/*#include <stdlib.h>*/
/*#include <xcb/xcb.h>*/
/*#include <inttypes.h>*/
/*int main(int argc, char **argv)*/
/*{*/
/*int i, screen_num;*/
/*xcb_connection_t *connection = xcb_connect(NULL, &screen_num);*/
/*const xcb_setup_t *setup = xcb_get_setup(connection);*/
/*xcb_screen_iterator_t iter = xcb_setup_roots_iterator(setup);*/
/*for (i = 0; i < screen_num; i++) {*/
/*xcb_screen_next(&iter);*/
/*}*/
/*xcb_screen_t *screen = iter.data;*/
/*printf("\n");*/
/*printf("Information about screen %"PRIu32":\n", screen->root);*/
/*printf(" width : %"PRIu16"\n", screen->width_in_pixels);*/
/*printf(" height : %"PRIu16"\n", screen->height_in_pixels);*/
/*printf(" white pixel : %"PRIu32"\n", screen->white_pixel);*/
/*printf(" black pixel : %"PRIu32"\n", screen->black_pixel);*/
/*xcb_disconnect(connection);*/
return 0;
}
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