Function init_module_gui

src/app/modules/gui.cpp:159–213

Initializes GUI.

// Initializes GUI.
int init_module_gui()
{
  bool maximized = false;
  std::string lastError = "Unknown error";
  bool gpuAccel = Preferences::instance().general.gpuAcceleration();

  if (!create_main_display(gpuAccel, maximized, lastError)) {
    // If we've created the display with hardware acceleration,
    // now we try to do it without hardware acceleration.
    if (gpuAccel &&
        (int(she::instance()->capabilities()) &
         int(she::Capabilities::GpuAccelerationSwitch)) == int(she::Capabilities::GpuAccelerationSwitch)) {
      if (create_main_display(false, maximized, lastError)) {
        // Disable hardware acceleration
        Preferences::instance().general.gpuAcceleration(false);
      }
    }
  }

  if (!main_display) {
    she::error_message(
      ("Unable to create a user-interface display.\nDetails: "+lastError+"\n").c_str());
    return -1;
  }

  // Create the default-manager
  manager = new CustomizedGuiManager();
  manager->setDisplay(main_display);

  setLanguage(Preferences::instance().general.language());

  // Setup the GUI theme for all widgets
  gui_theme = new SkinTheme();
  {
      auto uiScale = Preferences::instance().experimental.uiScale();
      if (uiScale < 1) {
	  #ifdef EMSCRIPTEN
	  uiScale = 2;
	  #else
          uiScale = 2 + (ui::display_h() > 400) + (ui::display_h() > 800);
	  #endif
          Preferences::instance().experimental.uiScale(uiScale);
      }
      gui_theme->setScale(uiScale);
  }
  CurrentTheme::set(gui_theme);

  if (maximized)
    main_display->maximize();

  // Set graphics options for next time
  save_gui_config();

  return 0;
}

void exit_module_gui()
{