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#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <xcb/xcb.h>
// #include <X11/Xft/Xft.h>
#include "pipe.h"
xcb_connection_t* connection;
xcb_screen_t* screen;
xcb_window_t win;
xcb_gc_t rect_gc;
xcb_gc_t text_gc;
static int height = 16;
static float width = 1;
static int err_code = 1;
void die(const char* fmt, ...) {
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
putc('\n', stderr);
exit(err_code);
}
void draw_bar(void) {
}
void init(void) {
connection = xcb_connect(NULL, NULL);
screen = xcb_setup_roots_iterator(
xcb_get_setup(connection)
).data;
win = xcb_generate_id(connection);
xcb_create_window(
connection,
XCB_COPY_FROM_PARENT,
win,
screen->root,
0, 0,
100, height,
0,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual,
XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK,
(uint32_t[]){0x000000, XCB_EVENT_MASK_EXPOSURE}
);
xcb_font_t font = xcb_generate_id(connection);
const char font_name[] = "commit";
xcb_open_font(
connection,
font,
strlen(font_name),
font_name
);
text_gc = xcb_generate_id(connection);
xcb_create_gc(
connection,
text_gc,
win,
XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT,
(uint32_t[]){0x000000, 0xFFFFFF, font}
);
xcb_close_font(connection, font);
rect_gc = xcb_generate_id(connection);
xcb_create_gc(
connection,
rect_gc,
win,
XCB_GC_FOREGROUND | XCB_GC_GRAPHICS_EXPOSURES,
(uint32_t[]){0xFF0000, 0}
);
xcb_map_window(connection, win);
xcb_flush(connection);
}
void deinit(void) {
xcb_disconnect(connection);
}
int main(void) {
init_pipe();
while (1) {
await_change();
}
init();
xcb_generic_event_t* ev;
while ((ev = xcb_wait_for_event(connection))) {
switch (ev->response_type & ~0x80) {
case XCB_EXPOSE: {
xcb_rectangle_t rect = {10, 50, 200, 200};
xcb_poly_rectangle(connection, win, rect_gc, 1, &rect);
const char text[] = "hello, world!";
xcb_image_text_8(connection, strlen(text), win, text_gc, 50, 50, text);
xcb_flush(connection);
break;
}
}
free(ev);
}
deinit();
return 0;
}
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