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#include <stdio.h>
#include <poll.h>
#include <unistd.h>
#include "state.h"
#include "wayland.h"
#include "graphics.h"
#include "input_field.h"
void poll_events(client_state* state);
int main() {
client_state state = {0};
state.running = true;
state.display = wl_display_connect(NULL);
if (!state.display) {
fprintf(stderr, "Failed to Connect to wayland display\n");
return 0;
}
// bind globals and roundtrip
setup_registry_and_globals(&state);
wl_display_roundtrip(state.display);
// set up other objects and roundtrip
setup_seat(&state);
create_surface(&state);
wl_display_roundtrip(state.display);
// set up graphics
if (!init_gl(&state)) {
fprintf(stderr, "Failed to Initalize EGL/OpenGL\n");
return 1;
}
// event loop
while (state.running) {
poll_events(&state);
render_frame(&state);
}
}
void poll_events(client_state* state) {
enum { DISPLAY_FD, KEYREPEAT_FD };
struct pollfd fds[] = {
[DISPLAY_FD] = { wl_display_get_fd(state->display), POLLIN },
[KEYREPEAT_FD] = { state->key_repeat_timer_fd, POLLIN },
};
bool event = false;
while (!event) {
while (wl_display_prepare_read(state->display) != 0) {
if (wl_display_dispatch_pending(state->display) > 0) {
return;
}
}
if (poll(fds, sizeof(fds) / sizeof(fds[0]), -1) == -1) {
wl_display_cancel_read(state->display);
return;
}
if (fds[DISPLAY_FD].revents & POLLIN) {
wl_display_read_events(state->display);
if (wl_display_dispatch_pending(state->display) > 0)
event = true;
}
else {
wl_display_cancel_read(state->display);
}
if (fds[KEYREPEAT_FD].revents & POLLIN) {
uint64_t repeats;
if (read(state->key_repeat_timer_fd, &repeats, sizeof(repeats)) == 8) {
for (uint64_t i = 0; i < repeats; i++) {
type_key(state, state->repeat_key);
}
event = true;
}
}
}
}
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