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#include <stdlib.h>
#include <locale.h>
#include <signal.h>
#include <math.h>
#include "window.h"
#include "layout.h"
#include "util.h"
#include "event.h"
#include "config.h"
#include "block.h"
#include "lua/api.h"
#ifdef RELEASE
#define ANY_LOG_VALUE_BEFORE(level, module, func, message) \
"[%s%s%s] %s%s%s: %s [", any_log_colors[ANY_LOG_ALL + 2], func, any_log_colors[ANY_LOG_ALL], \
any_log_colors[level], any_log_level_strings[level], any_log_colors[ANY_LOG_ALL], message
#define ANY_LOG_FORMAT_BEFORE(level, module, func) \
"[%s%s%s] %s%s%s: ", any_log_colors[ANY_LOG_ALL + 2], func, any_log_colors[ANY_LOG_ALL], \
any_log_colors[level], any_log_level_strings[level], any_log_colors[ANY_LOG_ALL]
#define ANY_LOG_FUNC_COLOR ""
#define ANY_LOG_NO_TRACE
#endif
#define ANY_LOG_VALUE_STRING(key, value) "%s=\"%s\"", key, value ? value : "(null)"
#define ANY_LOG_IMPLEMENT
#include "any_log.h"
static sig_atomic_t running = true;
static void signal_quit(int status)
{
running = false;
}
static cairo_surface_t *render_all(layout_t *layout, config_t *config, layout_info_t info)
{
cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
config->width,
config->height);
log_value_trace("Created cairo surface",
"i:width", config->width,
"i:height", config->height);
cairo_t *cr = cairo_create(surface);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_matrix_t matrix;
cairo_matrix_init_scale(&matrix, 1.0 / config->width, 1.0);
cairo_pattern_set_matrix(config->background.pattern, &matrix);
cairo_set_source(cr, config->background.pattern);
cairo_paint(cr);
layout_render(layout, cr);
log_trace("Rendered layouts");
cairo_destroy(cr);
return surface;
}
int main(int argc, char **argv)
{
setlocale(LC_CTYPE, "");
any_log_level_t log_level = ANY_LOG_INFO;
if (argc != 1 && !strcmp(argv[1], "--trace"))
log_level = ANY_LOG_TRACE;
any_log_init(stdout, log_level);
config_t config;
config_init(&config);
log_debug("Copied default config");
lua_api_t lua;
lua_api_init(&lua);
if (luaL_dofile(lua.state, "example.lua") != LUA_OK) {
const char *error_message = lua_tostring(lua.state, -1);
log_error("Lua script failed: %s", error_message);
}
const char *config_path = "comet.conf";
FILE *config_file = fopen(config_path, "rb");
if (config_file != NULL) {
log_info("Reading config '%s'", config_path);
int errors = config_read(&config, config_file);
if (errors > 0) {
log_error("Config file contained %d syntax errors", errors);
return EXIT_FAILURE;
}
}
int errors = config_validate(&config);
if (errors > 0) {
log_error("Config file contained %d errors", errors);
return EXIT_FAILURE;
}
signal(SIGINT, signal_quit);
signal(SIGTERM, signal_quit);
display_t display;
display_init(&display);
window_t window;
window_init(&window, &display, &config);
log_debug("Searching font '%s'", config.font);
PangoFontDescription *fontdesc = pango_font_description_from_string(config.font);
log_debug("Loaded font family '%s'", pango_font_description_get_family(fontdesc));
layout_info_t info = {
.fontdesc = fontdesc,
.context = pango_cairo_create_context(window.cr),
.x_offset = 0,
.height = config.height,
};
block_t *block = NULL;
if (!config_resolve(&config, &block)) {
log_error("Config could not be resolved");
return EXIT_FAILURE;
}
log_debug("Starting bar");
window_resize(&window, config.width, config.height);
window_move(&window, config.x_offset, config.y_offset);
const double fps = 60.0;
const double freq = 1.0 / fps + 0.5e-9;
// TODO: Allow ondemand/lazy rendering
struct timespec rate, start, end, diff;
rate.tv_sec = (long)freq;
rate.tv_nsec = (freq - rate.tv_sec) * 1000000000ul;
event_state_t state = { 0 };
state.config = &config;
while (running) {
timespec_get(&start, TIME_UTC);
block_update(block);
layout_t layout;
layout_init(&layout, block, info);
state.layout = &layout;
event_dispatch(&state, &window);
cairo_surface_t *surface = render_all(&layout, &config, info);
window_present(&window, surface);
cairo_surface_destroy(surface);
layout_free(&layout);
timespec_get(&end, TIME_UTC);
diff = timespec_diff(rate, timespec_diff(end, start));
nanosleep(&diff, NULL);
}
log_debug("Quitting bar");
g_object_unref(info.context);
pango_font_description_free(fontdesc);
window_close(&window);
display_close(&display);
config_free(&config);
lua_api_close(&lua);
return 0;
}
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