boo/lib/x11/ApplicationUnix.cpp

/* Meta-implementation for dynamically-constructing user's preferred
 * platform interface
 */

#define APPLICATION_UNIX_CPP
#include "ApplicationXlib.hpp"
#include "ApplicationWayland.hpp"

#include <memory>
#include <dbus/dbus.h>
#include <cstdio>

/* No icon by default */
extern "C" const uint8_t MAINICON_NETWM[] __attribute__((weak)) = {};
extern "C" const size_t MAINICON_NETWM_SZ __attribute__((weak)) = 0;

DBusConnection* RegisterDBus(const char* appName, bool& isFirst) {
  isFirst = true;
  DBusError err = {};
  dbus_error_init(&err);

  /* connect to the bus and check for errors */
  DBusConnection* conn = dbus_bus_get(DBUS_BUS_SESSION, &err);
  if (dbus_error_is_set(&err)) {
    fprintf(stderr, "DBus Connection Error (%s)\n", err.message);
    dbus_error_free(&err);
  }
  if (NULL == conn)
    return NULL;

  /* request our name on the bus and check for errors */
  char busName[256];
  snprintf(busName, 256, "boo.%s.unique", appName);
  int ret = dbus_bus_request_name(conn, busName, DBUS_NAME_FLAG_DO_NOT_QUEUE, &err);
  if (dbus_error_is_set(&err)) {
    fprintf(stderr, "DBus Name Error (%s)\n", err.message);
    dbus_error_free(&err);
    dbus_connection_close(conn);
    return NULL;
  }
  if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret)
    isFirst = false;

  return conn;
}

namespace boo {

IApplication* APP = nullptr;
int ApplicationRun(IApplication::EPlatformType platform, IApplicationCallback& cb, std::string_view uniqueName,
                   std::string_view friendlyName, std::string_view pname, const std::vector<std::string>& args,
                   std::string_view gfxApi, uint32_t samples, uint32_t anisotropy, bool deepColor,
                   bool singleInstance) {
  std::string thrName = std::string(friendlyName) + " Main";
  logvisor::RegisterThreadName(thrName.c_str());
  if (APP)
    return 1;
  if (platform == IApplication::EPlatformType::Wayland)
    APP = new ApplicationWayland(cb, uniqueName, friendlyName, pname, args, gfxApi, samples, anisotropy, deepColor,
                                 singleInstance);
  else if (platform == IApplication::EPlatformType::Xlib || platform == IApplication::EPlatformType::Auto)
    APP = new ApplicationXlib(cb, uniqueName, friendlyName, pname, args, gfxApi, samples, anisotropy, deepColor,
                              singleInstance);
  else
    return 1;
  int ret = APP->run();
  delete APP;
  APP = nullptr;
  return ret;
}

} // namespace boo