# src Directory Reference

## Directories
directory | ai
directory | blitter
directory | core
directory | depend
directory | misc
directory | music
directory | network
directory | os
directory | pathfinder
directory | saveload
directory | script
directory | sound
directory | spriteloader
directory | strgen
directory | table
directory | thread
directory | video
directory | widgets
## Files
file | aircraft.h [code]

| Base for aircraft.
file | aircraft_cmd.cpp [code]

| This file deals with aircraft and airport movements functionalities.
file | aircraft_gui.cpp [code]

| The GUI of aircraft.
file | airport.cpp [code]

| Functions related to airports.
file | airport.h [code]

| Various declarations for airports.
file | airport_gui.cpp [code]

| The GUI for airports.
file | animated_tile.cpp [code]

| Everything related to animated tiles.
file | animated_tile_func.h [code]

| Tile animation!
file | articulated_vehicles.cpp [code]

| Implementation of articulated vehicles.
file | articulated_vehicles.h [code]

| Functions related to articulated vehicles.
file | autoreplace.cpp [code]

| Management of replacement lists.
file | autoreplace_base.h [code]

| Base class for autoreplaces/autorenews.
file | autoreplace_cmd.cpp [code]

| Deals with autoreplace execution but not the setup.
file | autoreplace_func.h [code]

| Functions related to autoreplacing.
file | autoreplace_gui.cpp [code]

| GUI for autoreplace handling.
file | autoreplace_gui.h [code]

| Functions related to the autoreplace GUIs.
file | autoreplace_type.h [code]

| Types related to autoreplacing.
file | autoslope.h [code]

| Functions related to autoslope.
file | base_media_base.h [code]

| Generic functions for replacing base data (graphics, sounds).
file | base_media_func.h [code]

| Generic function implementations for base data (graphics, sounds).
file | base_station_base.h [code]

| Base classes/functions for base stations.
file | bmp.cpp [code]

| Read and write support for bmps.
file | bmp.h [code]

| Read and write support for bmps.
file | bridge.h [code]

| Header file for bridges.
file | bridge_gui.cpp [code]

| Graphical user interface for bridge construction.
file | bridge_map.cpp [code]

| Map accessor functions for bridges.
file | bridge_map.h [code]

| Map accessor functions for bridges.
file | build_vehicle_gui.cpp [code]

| GUI for building vehicles.
file | cargo_type.h [code]

| Types related to cargos.
file | cargopacket.cpp [code]

| Implementation of the cargo packets.
file | cargopacket.h [code]

| Base class for cargo packets.
file | cargotype.cpp [code]

| Implementation of cargos.
file | cargotype.h [code]

| Types/functions related to cargos.
file | cheat.cpp [code]

| Handling (loading/saving/initializing) of cheats.
file | cheat_func.h [code]

| Functions related to cheating.
file | cheat_gui.cpp [code]

| GUI related to cheating.
file | cheat_type.h [code]

| Types related to cheating.
file | clear_cmd.cpp [code]

| Commands related to clear tiles.
file | clear_map.h [code]

| Map accessors for 'clear' tiles.
file | cmd_helper.h [code]

| Helper functions to extract data from command parameters.
file | command.cpp [code]

| Handling of commands.
file | command_func.h [code]

| Functions related to commands.
file | command_type.h [code]

| Types related to commands.
file | company_base.h [code]

| Definition of stuff that is very close to a company, like the company struct itself.
file | company_cmd.cpp [code]

| Handling of companies.
file | company_func.h [code]

| Functions related to companies.
file | company_gui.cpp [code]

| Company related GUIs.
file | company_gui.h [code]

| GUI Functions related to companies.
file | company_manager_face.h [code]

| Functionality related to the company manager's face.
file | company_type.h [code]

| Types related to companies.
file | console.cpp [code]

| Handling of the in-game console.
file | console_cmds.cpp [code]

| Implementation of the console hooks.
file | console_func.h [code]

| Console functions used outside of the console code.
file | console_gui.cpp [code]

| Handling the GUI of the in-game console.
file | console_gui.h [code]

| GUI related functions in the console.
file | console_internal.h [code]

| Internally used functions for the console.
file | console_type.h [code]

| Globally used console related types.
file | crashlog.cpp [code]

| Implementation of generic function to be called to log a crash.
file | crashlog.h [code]

| Functions to be called to log a crash.
file | currency.cpp [code]

| Support for different currencies.
file | currency.h [code]

| Functions to handle different currencies.
file | date.cpp [code]

| Handling of dates in our native format and transforming them to something human readable.
file | date_func.h [code]

| Functions related to dates.
file | date_gui.cpp [code]

| Graphical selection of a date.
file | date_gui.h [code]

| Functions related to the graphical selection of a date.
file | date_type.h [code]

| Types related to the dates in OpenTTD.
file | debug.cpp [code]

| Handling of printing debug messages.
file | debug.h [code]

| Functions related to debugging.
file | dedicated.cpp [code]

| Forking support for dedicated servers.
file | depot.cpp [code]

| Handling of depots.
file | depot_base.h [code]

| Base for all depots (except hangars).
file | depot_func.h [code]

| Functions related to depots.
file | depot_gui.cpp [code]

| The GUI for depots.
file | depot_map.h [code]

| Map related accessors for depots.
file | depot_type.h [code]

| Header files for depots (not hangars).
file | direction_func.h [code]

| Different functions related to conversions between directions.
file | direction_type.h [code]

| Different types to 'show' directions.
file | disaster_cmd.cpp [code]

| All disaster/easter egg vehicles are handled here.
file | dock_gui.cpp [code]

| GUI to create amazing water objects.
file | driver.cpp [code]

| Base for all driver handling.
file | driver.h [code]

| Base for all drivers (video, sound, music, etc).
file | dummy_land.cpp [code]

| Handling of void (or dummy) tiles.
file | economy.cpp [code]

| Handling of the economy.
file | economy_base.h [code]

| Base classes related to the economy.
file | economy_func.h [code]

| Functions related to the economy.
file | economy_type.h [code]

| Types related to the economy.
file | effectvehicle.cpp [code]

| Implementation of everything generic to vehicles.
file | effectvehicle_base.h [code]

| Base class for all effect vehicles.
file | effectvehicle_func.h [code]

| Functions related to effect vehicles.
file | elrail.cpp [code]

| This file deals with displaying wires and pylons for electric railways.
file | elrail_func.h [code]

| header file for electrified rail specific functions
file | endian_check.cpp [code]

| This pretty simple file checks if the system is LITTLE_ENDIAN or BIG_ENDIAN it does that by putting a 1 and a 0 in an array, and read it out as one number.
file | engine.cpp [code]

| Base for all engine handling.
file | engine_base.h [code]

| Base class for engines.
file | engine_func.h [code]

| Functions related to engines.
file | engine_gui.cpp [code]

| GUI to show engine related information.
file | engine_gui.h [code]

| Engine GUI functions, used by build_vehicle_gui and autoreplace_gui.
file | engine_type.h [code]

| Types related to engines.
file | fileio.cpp [code]

| Standard In/Out file operations.
file | fileio_func.h [code]

| Functions for Standard In/Out file operations.
file | fileio_type.h [code]

| Types for Standard In/Out file operations.
file | fios.cpp [code]

| This file contains functions for building file lists for the save/load dialogs.
file | fios.h [code]

| Declarations for savegames operations.
file | fontcache.cpp [code]

| Cache for characters from fonts.
file | fontcache.h [code]

| Functions to read fonts from files and cache them.
file | functions.h [code]

| Some generic functions that actually shouldn't be here.
file | gamelog.cpp [code]

| Definition of functions used for logging of important changes in the game.
file | gamelog.h [code]

| Functions to be called to log possibly unsafe game events.
file | gamelog_internal.h [code]

| Declaration shared among gamelog.cpp and saveload/gamelog_sl.cpp.
file | genworld.cpp [code]

| Functions to generate a map.
file | genworld.h [code]

| Functions related to world/map generation.
file | genworld_gui.cpp [code]

| GUI to configure and show progress during map generation.
file | gfx.cpp [code]

| Handling of drawing text and other gfx related stuff.
file | gfx_func.h [code]

| Functions related to the gfx engine.
file | gfx_type.h [code]

| Types related to the graphics and/or input devices.
file | gfxinit.cpp [code]

| Initializing of the (GRF) graphics.
file | gfxinit.h [code]

| Functions related to the graphics initialization.
file | graph_gui.cpp [code]

| GUI that shows performance graphs.
file | graph_gui.h [code]

| Graph GUI functions.
file | group.h [code]

| Base class from groups.
file | group_cmd.cpp [code]

| Handling of the engine groups.
file | group_gui.cpp [code]

| GUI for the group window.
file | group_gui.h [code]

| Functions/definitions that have something to do with groups.
file | group_type.h [code]

| Types of a group.
file | gui.h [code]

| GUI functions that shouldn't be here.
file | heightmap.cpp [code]

| Creating of maps from heightmaps.
file | heightmap.h [code]

| Functions related to creating heightmaps from files.
file | highscore.cpp [code]

| Definition of functions used for highscore handling.
file | highscore.h [code]

| Declaration of functions and types defined in highscore.h and highscore_gui.h.
file | highscore_gui.cpp [code]

| Definition of the HighScore and EndGame windows.
file | house.h [code]

| definition of HouseSpec and accessors
file | house_type.h [code]

| declaration of basic house types and enums
file | industry.h [code]

| Base of all industries.
file | industry_cmd.cpp [code]

| Handling of industry tiles.
file | industry_gui.cpp [code]

| GUIs related to industries.
file | industry_map.h [code]

| Accessors for industries.
file | industry_type.h [code]

| Types related to the industry.
file | industrytype.h [code]

| Industry type specs.
file | ini.cpp [code]

| Definition of the IniItem class, related to reading/writing '*.ini' files.
file | ini_type.h [code]

| Types related to reading/writing '*.ini' files.
file | intro_gui.cpp [code]

| The main menu GUI.
file | landscape.cpp [code]

| Functions related to the landscape (slopes etc.
file | landscape.h [code]

| Functions related to OTTD's landscape.
file | landscape_type.h [code]

| Types related to the landscape.
file | livery.h [code]

| Functions/types related to livery colours.
file | main_gui.cpp [code]

| Handling of the main viewport.
file | map.cpp [code]

| Base functions related to the map and distances on them.
file | map_func.h [code]

| Functions related to maps.
file | map_type.h [code]

| Types related to maps.
file | misc.cpp [code]

| Misc functions that shouldn't be here.
file | misc_cmd.cpp [code]

| Some misc functions that are better fitted in other files, but never got moved there.
file | misc_gui.cpp [code]

| GUIs for a number of misc windows.
file | mixer.cpp [code]

| Mixing of sound samples.
file | mixer.h [code]

| Functions to mix sound samples.
file | music.cpp [code]

| The songs that OpenTTD knows.
file | music_gui.cpp [code]

| GUI for the music playback.
file | newgrf.cpp [code]

| Base of all NewGRF support.
file | newgrf.h [code]

| Base for the NewGRF implementation.
file | newgrf_callbacks.h [code]

| Callbacks that NewGRFs could implement.
file | newgrf_canal.cpp [code]

| Implementation of NewGRF canals.
file | newgrf_canal.h [code]

| Handling of NewGRF canals.
file | newgrf_cargo.cpp [code]

| Implementation of NewGRF cargoes.
file | newgrf_cargo.h [code]

| Cargo support for NewGRFs.
file | newgrf_commons.cpp [code]

| Implementation of the class OverrideManagerBase and its descendance, present and futur.
file | newgrf_commons.h [code]

| This file simplyfies and embeds a common mechanism of loading/saving and mapping of grf entities.
file | newgrf_config.cpp [code]

| Finding NewGRFs and configuring them.
file | newgrf_config.h [code]

| Functions to find and configure NewGRFs.
file | newgrf_engine.cpp [code]

| NewGRF handling of engines.
file | newgrf_engine.h [code]

| Functions for NewGRF engines.
file | newgrf_generic.cpp [code]

| Handling of generic feature callbacks.
file | newgrf_generic.h [code]

| Functions related to generic callbacks.
file | newgrf_gui.cpp [code]

| GUI to change NewGRF settings.
file | newgrf_house.cpp [code]

| Implementation of NewGRF houses.
file | newgrf_house.h [code]

| Functions related to NewGRF houses.
file | newgrf_industries.cpp [code]

| Handling of NewGRF industries.
file | newgrf_industries.h [code]

| Functions for NewGRF industries.
file | newgrf_industrytiles.cpp [code]

| NewGRF handling of industry tiles.
file | newgrf_industrytiles.h [code]

| NewGRF handling of industry tiles.
file | newgrf_properties.h [code]

| Properties of NewGRF Action 0.
file | newgrf_railtype.cpp [code]

| NewGRF handling of rail types.
file | newgrf_railtype.h [code]
file | newgrf_sound.cpp [code]

| Handling NewGRF provided sounds.
file | newgrf_sound.h [code]

| Functions related to NewGRF provided sounds.
file | newgrf_spritegroup.cpp [code]

| Handling of primarily NewGRF action 2.
file | newgrf_spritegroup.h [code]

| Action 2 handling.
file | newgrf_station.cpp [code]

| Functions for dealing with station classes and custom stations.
file | newgrf_station.h [code]

| Header file for NewGRF stations.
file | newgrf_storage.cpp [code]

| Functionality related to the temporary and persistent storage arrays for NewGRFs.
file | newgrf_storage.h [code]

| Functionality related to the temporary and persistent storage arrays for NewGRFs.
file | newgrf_text.cpp [code]

| Implementation of Action 04 "universal holder" structure and functions.
file | newgrf_text.h [code]

| Header of Action 04 "universal holder" structure and functions.
file | newgrf_town.cpp [code]

| Implementation of the town part of NewGRF houses.
file | newgrf_town.h [code]

| Functions to handle the town part of NewGRF towns.
file | newgrf_townname.cpp [code]

| Implementation of Action 0F "universal holder" structure and functions.
file | newgrf_townname.h [code]

| Header of Action 0F "universal holder" structure and functions.
file | news_func.h [code]

| Functions related to news.
file | news_gui.cpp [code]

| GUI functions related to news messages.
file | news_gui.h [code]

| GUI functions related to the news.
file | news_type.h [code]

| Types related to news.
file | openttd.cpp [code]

| Functions related to starting OpenTTD.
file | openttd.h [code]

| Some generic types.
file | order_base.h [code]

| Base class for orders.
file | order_cmd.cpp [code]

| Handling of orders.
file | order_func.h [code]

| Functions related to orders.
file | order_gui.cpp [code]

| GUI related to orders.
file | order_type.h [code]

| Types related to orders.
file | os_timer.cpp [code]

| OS/compiler dependant real time tick sampling.
file | osk_gui.cpp [code]

| The On Screen Keyboard GUI.
file | pbs.cpp [code]

| PBS support routines.
file | pbs.h [code]

| PBS support routines.
file | querystring_gui.h [code]

| Base for the GUIs that have an edit box in them.
file | rail.cpp [code]

| Implementation of rail specific functions.
file | rail.h [code]

| Rail specific functions.
file | rail_cmd.cpp [code]

| Handling of rail tiles.
file | rail_gui.cpp [code]

| File for dealing with rail construction user interface.
file | rail_gui.h [code]

| Functions/types etc.
file | rail_map.h [code]

| Hides the direct accesses to the map array with map accessors.
file | rail_type.h [code]

| The different types of rail.
file | rev.h [code]

| declaration of OTTD revision dependant variables
file | road.cpp [code]

| Generic road related functions.
file | road_cmd.cpp [code]

| Commands related to road tiles.
file | road_cmd.h [code]

| Road related functions.
file | road_func.h [code]

| Functions related to roads.
file | road_gui.cpp [code]

| GUI for building roads.
file | road_gui.h [code]

| Functions/types related to the road GUIs.
file | road_internal.h [code]

| Functions used internally by the roads.
file | road_map.cpp [code]

| Complex road accessors.
file | road_map.h [code]

| Map accessors for roads.
file | road_type.h [code]

| Enums and other types related to roads.
file | roadstop.cpp [code]

| Implementation of the roadstop base class.
file | roadstop_base.h [code]

| Base class for roadstops.
file | roadveh.h [code]

| Road vehicle states.
file | roadveh_cmd.cpp [code]

| Handling of road vehicles.
file | roadveh_gui.cpp [code]

| GUI for road vehicles.
file | screenshot.cpp [code]

| The creation of screenshots!
file | screenshot.h [code]

| Functions to make screenshots.
file | sdl.cpp [code]

| Implementation of SDL support.
file | sdl.h [code]

| SDL support.
file | settings.cpp [code]

| All actions handling saving and loading of the settings/configuration goes on in this file.
file | settings_func.h [code]

| Functions related to setting/changing the settings.
file | settings_gui.cpp [code]

| GUI for settings.
file | settings_internal.h [code]

| Functions and types used internally for the settings configurations.
file | settings_type.h [code]

| Types related to global configuration settings.
file | ship.h [code]

| Base for ships.
file | ship_cmd.cpp [code]

| Handling of ships.
file | ship_gui.cpp [code]

| GUI for ships.
file | signal.cpp [code]

| functions related to rail signals updating
file | signal_func.h [code]

| Functions related to signals.
file | signal_type.h [code]

| Types and classes related to signals.
file | signs.cpp [code]

| Handling of signs.
file | signs_base.h [code]

| Base class for signs.
file | signs_cmd.cpp [code]

| Handling of sign related commands.
file | signs_func.h [code]

| Functions related to signs.
file | signs_gui.cpp [code]

| The GUI for signs.
file | signs_type.h [code]

| Types related to signs.
file | slope_func.h [code]

| Functions related to slopes.
file | slope_type.h [code]

| Definitions of a slope.
file | smallmap_gui.cpp [code]

| GUI that shows a small map of the world with metadata like owner or height.
file | smallmap_gui.h [code]

| Smallmap GUI functions.
file | sortlist_type.h [code]

| Base types for having sorted lists in GUIs.
file | sound.cpp [code]

| Handling of playing sounds.
file | sound_func.h [code]

| Functions related to sound.
file | sound_type.h [code]

| Types related to sounds.
file | sprite.cpp [code]

| Handling of sprites.
file | sprite.h [code]

| Base for drawing complex sprites.
file | spritecache.cpp [code]

| Caching of sprites.
file | spritecache.h [code]

| Functions to cache sprites in memory.
file | station.cpp [code]

| Implementation of the station base class.
file | station_base.h [code]

| Base classes/functions for stations.
file | station_cmd.cpp [code]

| Handling of station tiles.
file | station_func.h [code]

| Functions related to stations.
file | station_gui.cpp [code]

| The GUI for stations.
file | station_gui.h [code]

| Contains enums and function declarations connected with stations GUI.
file | station_map.h [code]

| Maps accessors for stations.
file | station_type.h [code]

| Types related to stations.
file | statusbar_gui.cpp [code]

| The GUI for the bottom status bar.
file | statusbar_gui.h [code]

| Functions, definitions and such used only by the GUI.
file | stdafx.h [code]

| Definition of base types and functions in a cross-platform compatible way.
file | string.cpp [code]

| Handling of C-type strings (char*).
file | string_func.h [code]

| Functions related to low-level strings.
file | string_type.h [code]

| Types for strings.
file | strings.cpp [code]

| Handling of translated strings.
file | strings_func.h [code]

| Functions related to OTTD's strings.
file | strings_type.h [code]

| Types related to strings.
file | subsidy.cpp [code]

| Handling of subsidies.
file | subsidy_base.h [code]

| Subsidy base class.
file | subsidy_func.h [code]

| Functions related to subsidies.
file | subsidy_gui.cpp [code]

| GUI for subsidies.
file | subsidy_type.h [code]

| basic types related to subsidies
file | tar_type.h [code]

| Structs, typedefs and macros used for TAR file handling.
file | terraform_cmd.cpp [code]

| Commands related to terraforming.
file | terraform_gui.cpp [code]

| GUI related to terraforming the map.
file | terraform_gui.h [code]

| GUI stuff related to terraforming.
file | textbuf_gui.h [code]

| Stuff related to the text buffer GUI.
file | texteff.cpp [code]

| Handling of text effects.
file | texteff.hpp [code]

| Functions related to text effects.
file | tgp.cpp [code]

| OTTD Perlin Noise Landscape Generator, aka TerraGenesis Perlin.
file | tgp.h [code]

| Functions for the Perlin noise enhanced map generator.
file | tile_cmd.h [code]

| Generic 'commands' that can be performed on all tiles.
file | tile_map.cpp [code]

| Global tile accessors.
file | tile_map.h [code]

| Map writing/reading functions for tiles.
file | tile_type.h [code]

| Types related to tiles.
file | tilearea.cpp [code]

| Handling of tile areas.
file | tilearea_type.h [code]

| Type for storing the 'area' of something uses on the map.
file | tilehighlight_func.h [code]

| Functions related to tile highlights.
file | tilehighlight_type.h [code]

| Types related to highlighting tiles.
file | timetable.h [code]

| Functions related to time tabling.
file | timetable_cmd.cpp [code]

| Commands related to time tabling.
file | timetable_gui.cpp [code]

| GUI for time tabling.
file | toolbar_gui.cpp [code]

| Code related to the (main) toolbar.
file | toolbar_gui.h [code]

| Stuff related to the (main) toolbar.
file | town.h [code]

| Base of the town class.
file | town_cmd.cpp [code]

| Handling of town tiles.
file | town_gui.cpp [code]

| GUI for towns.
file | town_map.h [code]

| Accessors for towns.
file | town_type.h [code]

| Types related to towns.
file | townname.cpp [code]

| Town name generators.
file | townname_func.h [code]

| Town name generator stuff.
file | townname_type.h [code]

| Definition of structures used for generating town names.
file | track_func.h [code]

| Different conversion functions from one kind of track to another.
file | track_type.h [code]

| All types related to tracks.
file | train.h [code]

| Base for the train class.
file | train_cmd.cpp [code]

| Handling of trains.
file | train_gui.cpp [code]

| GUI for trains.
file | transparency.h [code]

| Functions related to transparency.
file | transparency_gui.cpp [code]

| The transparency GUI.
file | transparency_gui.h [code]

| GUI functions related to transparency.
file | transport_type.h [code]

| Base types related to transport.
file | tree_cmd.cpp [code]

| Handling of tree tiles.
file | tree_gui.cpp [code]

| GUIs for building trees.
file | tree_map.h [code]

| Map accessors for tree tiles.
file | tunnel_map.cpp [code]

| Map accessors for tunnels.
file | tunnel_map.h [code]

| Map accessors for tunnels.
file | tunnelbridge.h [code]

| Header file for things common for tunnels and bridges.
file | tunnelbridge_cmd.cpp [code]

| This file deals with tunnels and bridges (non-gui stuff).
file | tunnelbridge_map.h [code]

| Functions that have tunnels and bridges in common.
file | unmovable.h [code]

| Functions related to unmovable objects.
file | unmovable_cmd.cpp [code]

| Handling of unmovable tiles.
file | unmovable_map.h [code]

| Map accessors for unmovable tiles.
file | variables.h [code]

| Messing file that will cease to exist some time in the future.
file | vehicle.cpp [code]

| Base implementations of all vehicles.
file | vehicle_base.h [code]

| Base class for all vehicles.
file | vehicle_cmd.cpp [code]

| Commands for vehicles.
file | vehicle_func.h [code]

| Functions related to vehicles.
file | vehicle_gui.cpp [code]

| The base GUI for all vehicles.
file | vehicle_gui.h [code]

| Functions related to the vehicle's GUIs.
file | vehicle_gui_base.h [code]

| Functions/classes shared between the different vehicle list GUIs.
file | vehicle_type.h [code]

| Types related to vehicles.
file | vehiclelist.cpp [code]

| Lists of vehicles.
file | vehiclelist.h [code]

| Functions and type for generating vehicle lists.
file | viewport.cpp [code]

| Handling of all viewports.
file | viewport_func.h [code]

| Functions related to (drawing on) viewports.
file | viewport_gui.cpp [code]

| Extra viewport window.
file | viewport_type.h [code]

| Types related to viewports.
file | void_map.h [code]

| Map accessors for void tiles.
file | water.h [code]

| Functions related to water (management).
file | water_cmd.cpp [code]

| Handling of water tiles.
file | water_map.h [code]

| Map accessors for water tiles.
file | waypoint.cpp [code]

| Handling of waypoints.
file | waypoint_base.h [code]

| Base of waypoints.
file | waypoint_cmd.cpp [code]

| Command Handling for waypoints.
file | waypoint_func.h [code]

| Functions related to waypoints.
file | waypoint_gui.cpp [code]

| Handling of waypoints gui.
file | widget.cpp [code]

| Handling of the default/simple widgets.
file | widget_type.h [code]

| Definitions about widgets.
file | window.cpp [code]

| Windowing system, widgets and events.
file | window_func.h [code]

| Window functions not directly related to making/drawing windows.
file | window_gui.h [code]

| Functions, definitions and such used only by the GUI.
file | window_type.h [code]

| Types related to windows.
file | zoom_func.h [code]

| Functions related to zooming.
file | zoom_type.h [code]

| Types related to zooming in and out.