/*
Simple DirectMedia Layer
- Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
+ Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
* to how they would like the library to work.
*/
-#ifndef _SDL_hints_h
-#define _SDL_hints_h
+#ifndef SDL_hints_h_
+#define SDL_hints_h_
#include "SDL_stdinc.h"
* "opengl"
* "opengles2"
* "opengles"
+ * "metal"
* "software"
*
* The default varies by platform, but it's the first one in the list that
#define SDL_HINT_RENDER_DIRECT3D11_DEBUG "SDL_RENDER_DIRECT3D11_DEBUG"
/**
+ * \brief A variable controlling the scaling policy for SDL_RenderSetLogicalSize.
+ *
+ * This variable can be set to the following values:
+ * "0" or "letterbox" - Uses letterbox/sidebars to fit the entire rendering on screen
+ * "1" or "overscan" - Will zoom the rendering so it fills the entire screen, allowing edges to be drawn offscreen
+ *
+ * By default letterbox is used
+ */
+#define SDL_HINT_RENDER_LOGICAL_SIZE_MODE "SDL_RENDER_LOGICAL_SIZE_MODE"
+
+/**
* \brief A variable controlling the scaling quality
*
* This variable can be set to the following values:
#define SDL_HINT_VIDEO_ALLOW_SCREENSAVER "SDL_VIDEO_ALLOW_SCREENSAVER"
/**
+ * \brief A variable controlling whether the graphics context is externally managed.
+ *
+ * This variable can be set to the following values:
+ * "0" - SDL will manage graphics contexts that are attached to windows.
+ * "1" - Disable graphics context management on windows.
+ *
+ * By default SDL will manage OpenGL contexts in certain situations. For example, on Android the
+ * context will be automatically saved and restored when pausing the application. Additionally, some
+ * platforms will assume usage of OpenGL if Vulkan isn't used. Setting this to "1" will prevent this
+ * behavior, which is desireable when the application manages the graphics context, such as
+ * an externally managed OpenGL context or attaching a Vulkan surface to the window.
+ */
+#define SDL_HINT_VIDEO_EXTERNAL_CONTEXT "SDL_VIDEO_EXTERNAL_CONTEXT"
+
+/**
* \brief A variable controlling whether the X11 VidMode extension should be used.
*
* This variable can be set to the following values:
#define SDL_HINT_VIDEO_X11_XRANDR "SDL_VIDEO_X11_XRANDR"
/**
+ * \brief A variable forcing the visual ID chosen for new X11 windows
+ *
+ */
+#define SDL_HINT_VIDEO_X11_WINDOW_VISUALID "SDL_VIDEO_X11_WINDOW_VISUALID"
+
+/**
* \brief A variable controlling whether the X11 _NET_WM_PING protocol should be supported.
*
* This variable can be set to the following values:
#define SDL_HINT_VIDEO_X11_NET_WM_PING "SDL_VIDEO_X11_NET_WM_PING"
/**
+ * \brief A variable controlling whether the X11 _NET_WM_BYPASS_COMPOSITOR hint should be used.
+ *
+ * This variable can be set to the following values:
+ * "0" - Disable _NET_WM_BYPASS_COMPOSITOR
+ * "1" - Enable _NET_WM_BYPASS_COMPOSITOR
+ *
+ * By default SDL will use _NET_WM_BYPASS_COMPOSITOR
+ *
+ */
+#define SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR "SDL_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR"
+
+/**
+ * \brief A variable controlling whether X11 should use GLX or EGL by default
+ *
+ * This variable can be set to the following values:
+ * "0" - Use GLX
+ * "1" - Use EGL
+ *
+ * By default SDL will use GLX when both are present.
+ */
+#define SDL_HINT_VIDEO_X11_FORCE_EGL "SDL_VIDEO_X11_FORCE_EGL"
+
+/**
* \brief A variable controlling whether the window frame and title bar are interactive when the cursor is hidden
*
* This variable can be set to the following values:
#define SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN "SDL_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN"
/**
+ * \brief A variable to specify custom icon resource id from RC file on Windows platform
+ */
+#define SDL_HINT_WINDOWS_INTRESOURCE_ICON "SDL_WINDOWS_INTRESOURCE_ICON"
+#define SDL_HINT_WINDOWS_INTRESOURCE_ICON_SMALL "SDL_WINDOWS_INTRESOURCE_ICON_SMALL"
+
+/**
* \brief A variable controlling whether the windows message loop is processed by SDL
*
* This variable can be set to the following values:
#define SDL_HINT_GRAB_KEYBOARD "SDL_GRAB_KEYBOARD"
/**
-* \brief A variable controlling whether relative mouse mode is implemented using mouse warping
-*
-* This variable can be set to the following values:
-* "0" - Relative mouse mode uses raw input
-* "1" - Relative mouse mode uses mouse warping
-*
-* By default SDL will use raw input for relative mouse mode
-*/
+ * \brief A variable setting the double click time, in milliseconds.
+ */
+#define SDL_HINT_MOUSE_DOUBLE_CLICK_TIME "SDL_MOUSE_DOUBLE_CLICK_TIME"
+
+/**
+ * \brief A variable setting the double click radius, in pixels.
+ */
+#define SDL_HINT_MOUSE_DOUBLE_CLICK_RADIUS "SDL_MOUSE_DOUBLE_CLICK_RADIUS"
+
+/**
+ * \brief A variable setting the speed scale for mouse motion, in floating point, when the mouse is not in relative mode
+ */
+#define SDL_HINT_MOUSE_NORMAL_SPEED_SCALE "SDL_MOUSE_NORMAL_SPEED_SCALE"
+
+/**
+ * \brief A variable setting the scale for mouse motion, in floating point, when the mouse is in relative mode
+ */
+#define SDL_HINT_MOUSE_RELATIVE_SPEED_SCALE "SDL_MOUSE_RELATIVE_SPEED_SCALE"
+
+/**
+ * \brief A variable controlling whether relative mouse motion is affected by renderer scaling
+ *
+ * This variable can be set to the following values:
+ * "0" - Relative motion is unaffected by DPI or renderer's logical size
+ * "1" - Relative motion is scaled according to DPI scaling and logical size
+ *
+ * By default relative mouse deltas are affected by DPI and renderer scaling
+ */
+#define SDL_HINT_MOUSE_RELATIVE_SCALING "SDL_MOUSE_RELATIVE_SCALING"
+
+/**
+ * \brief A variable controlling whether relative mouse mode is implemented using mouse warping
+ *
+ * This variable can be set to the following values:
+ * "0" - Relative mouse mode uses raw input
+ * "1" - Relative mouse mode uses mouse warping
+ *
+ * By default SDL will use raw input for relative mouse mode
+ */
#define SDL_HINT_MOUSE_RELATIVE_MODE_WARP "SDL_MOUSE_RELATIVE_MODE_WARP"
/**
- * \brief Minimize your SDL_Window if it loses key focus when in fullscreen mode. Defaults to true.
+ * \brief Allow mouse click events when clicking to focus an SDL window
+ *
+ * This variable can be set to the following values:
+ * "0" - Ignore mouse clicks that activate a window
+ * "1" - Generate events for mouse clicks that activate a window
+ *
+ * By default SDL will ignore mouse clicks that activate a window
+ */
+#define SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH "SDL_MOUSE_FOCUS_CLICKTHROUGH"
+
+/**
+ * \brief A variable controlling whether touch events should generate synthetic mouse events
+ *
+ * This variable can be set to the following values:
+ * "0" - Touch events will not generate mouse events
+ * "1" - Touch events will generate mouse events
+ *
+ * By default SDL will generate mouse events for touch events
+ */
+#define SDL_HINT_TOUCH_MOUSE_EVENTS "SDL_TOUCH_MOUSE_EVENTS"
+
+/**
+ * \brief A variable controlling whether mouse events should generate synthetic touch events
+ *
+ * This variable can be set to the following values:
+ * "0" - Mouse events will not generate touch events (default for desktop platforms)
+ * "1" - Mouse events will generate touch events (default for mobile platforms, such as Android and iOS)
+ */
+
+#define SDL_HINT_MOUSE_TOUCH_EVENTS "SDL_MOUSE_TOUCH_EVENTS"
+
+/**
+ * \brief Minimize your SDL_Window if it loses key focus when in fullscreen mode. Defaults to false.
+ * \warning Before SDL 2.0.14, this defaulted to true! In 2.0.14, we're
+ * seeing if "true" causes more problems than it solves in modern times.
*
*/
#define SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS "SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS"
* this is problematic. This functionality can be disabled by setting this
* hint.
*
- * As of SDL 2.0.4, SDL_EnableScreenSaver and SDL_DisableScreenSaver accomplish
- * the same thing on iOS. They should be preferred over this hint.
+ * As of SDL 2.0.4, SDL_EnableScreenSaver() and SDL_DisableScreenSaver()
+ * accomplish the same thing on iOS. They should be preferred over this hint.
*
* This variable can be set to the following values:
* "0" - Enable idle timer
#define SDL_HINT_IDLE_TIMER_DISABLED "SDL_IOS_IDLE_TIMER_DISABLED"
/**
- * \brief A variable controlling which orientations are allowed on iOS.
+ * \brief A variable controlling which orientations are allowed on iOS/Android.
*
* In some circumstances it is necessary to be able to explicitly control
* which UI orientations are allowed.
* "LandscapeLeft", "LandscapeRight", "Portrait" "PortraitUpsideDown"
*/
#define SDL_HINT_ORIENTATIONS "SDL_IOS_ORIENTATIONS"
-
+
+/**
+ * \brief A variable controlling whether controllers used with the Apple TV
+ * generate UI events.
+ *
+ * When UI events are generated by controller input, the app will be
+ * backgrounded when the Apple TV remote's menu button is pressed, and when the
+ * pause or B buttons on gamepads are pressed.
+ *
+ * More information about properly making use of controllers for the Apple TV
+ * can be found here:
+ * https://developer.apple.com/tvos/human-interface-guidelines/remote-and-controllers/
+ *
+ * This variable can be set to the following values:
+ * "0" - Controller input does not generate UI events (the default).
+ * "1" - Controller input generates UI events.
+ */
+#define SDL_HINT_APPLE_TV_CONTROLLER_UI_EVENTS "SDL_APPLE_TV_CONTROLLER_UI_EVENTS"
+
+/**
+ * \brief A variable controlling whether the Apple TV remote's joystick axes
+ * will automatically match the rotation of the remote.
+ *
+ * This variable can be set to the following values:
+ * "0" - Remote orientation does not affect joystick axes (the default).
+ * "1" - Joystick axes are based on the orientation of the remote.
+ */
+#define SDL_HINT_APPLE_TV_REMOTE_ALLOW_ROTATION "SDL_APPLE_TV_REMOTE_ALLOW_ROTATION"
+
+/**
+ * \brief A variable controlling whether the home indicator bar on iPhone X
+ * should be hidden.
+ *
+ * This variable can be set to the following values:
+ * "0" - The indicator bar is not hidden (default for windowed applications)
+ * "1" - The indicator bar is hidden and is shown when the screen is touched (useful for movie playback applications)
+ * "2" - The indicator bar is dim and the first swipe makes it visible and the second swipe performs the "home" action (default for fullscreen applications)
+ */
+#define SDL_HINT_IOS_HIDE_HOME_INDICATOR "SDL_IOS_HIDE_HOME_INDICATOR"
+
/**
* \brief A variable controlling whether the Android / iOS built-in
- * accelerometer should be listed as a joystick device, rather than listing
- * actual joysticks only.
+ * accelerometer should be listed as a joystick device.
*
* This variable can be set to the following values:
- * "0" - List only real joysticks and accept input from them
- * "1" - List real joysticks along with the accelerometer as if it were a 3 axis joystick (the default).
+ * "0" - The accelerometer is not listed as a joystick
+ * "1" - The accelerometer is available as a 3 axis joystick (the default).
*/
#define SDL_HINT_ACCELEROMETER_AS_JOYSTICK "SDL_ACCELEROMETER_AS_JOYSTICK"
+/**
+ * \brief A variable controlling whether the Android / tvOS remotes
+ * should be listed as joystick devices, instead of sending keyboard events.
+ *
+ * This variable can be set to the following values:
+ * "0" - Remotes send enter/escape/arrow key events
+ * "1" - Remotes are available as 2 axis, 2 button joysticks (the default).
+ */
+#define SDL_HINT_TV_REMOTE_AS_JOYSTICK "SDL_TV_REMOTE_AS_JOYSTICK"
/**
* \brief A variable that lets you disable the detection and use of Xinput gamepad devices
*/
#define SDL_HINT_XINPUT_ENABLED "SDL_XINPUT_ENABLED"
-
/**
* \brief A variable that causes SDL to use the old axis and button mapping for XInput devices.
*
*/
#define SDL_HINT_XINPUT_USE_OLD_JOYSTICK_MAPPING "SDL_XINPUT_USE_OLD_JOYSTICK_MAPPING"
+/**
+ * \brief A variable that overrides the automatic controller type detection
+ *
+ * The variable should be comma separated entries, in the form: VID/PID=type
+ *
+ * The VID and PID should be hexadecimal with exactly 4 digits, e.g. 0x00fd
+ *
+ * The type should be one of:
+ * Xbox360
+ * XboxOne
+ * PS3
+ * PS4
+ * PS5
+ * SwitchPro
+ *
+ * This hint affects what driver is used, and must be set before calling SDL_Init(SDL_INIT_GAMECONTROLLER)
+ */
+#define SDL_HINT_GAMECONTROLLERTYPE "SDL_GAMECONTROLLERTYPE"
/**
- * \brief A variable that lets you manually hint extra gamecontroller db entries
+ * \brief A variable that lets you manually hint extra gamecontroller db entries.
*
* The variable should be newline delimited rows of gamecontroller config data, see SDL_gamecontroller.h
*
*/
#define SDL_HINT_GAMECONTROLLERCONFIG "SDL_GAMECONTROLLERCONFIG"
+/**
+ * \brief A variable that lets you provide a file with extra gamecontroller db entries.
+ *
+ * The file should contain lines of gamecontroller config data, see SDL_gamecontroller.h
+ *
+ * This hint must be set before calling SDL_Init(SDL_INIT_GAMECONTROLLER)
+ * You can update mappings after the system is initialized with SDL_GameControllerMappingForGUID() and SDL_GameControllerAddMapping()
+ */
+#define SDL_HINT_GAMECONTROLLERCONFIG_FILE "SDL_GAMECONTROLLERCONFIG_FILE"
+
+/**
+ * \brief A variable containing a list of devices to skip when scanning for game controllers.
+ *
+ * The format of the string is a comma separated list of USB VID/PID pairs
+ * in hexadecimal form, e.g.
+ *
+ * 0xAAAA/0xBBBB,0xCCCC/0xDDDD
+ *
+ * The variable can also take the form of @file, in which case the named
+ * file will be loaded and interpreted as the value of the variable.
+ */
+#define SDL_HINT_GAMECONTROLLER_IGNORE_DEVICES "SDL_GAMECONTROLLER_IGNORE_DEVICES"
+
+/**
+ * \brief If set, all devices will be skipped when scanning for game controllers except for the ones listed in this variable.
+ *
+ * The format of the string is a comma separated list of USB VID/PID pairs
+ * in hexadecimal form, e.g.
+ *
+ * 0xAAAA/0xBBBB,0xCCCC/0xDDDD
+ *
+ * The variable can also take the form of @file, in which case the named
+ * file will be loaded and interpreted as the value of the variable.
+ */
+#define SDL_HINT_GAMECONTROLLER_IGNORE_DEVICES_EXCEPT "SDL_GAMECONTROLLER_IGNORE_DEVICES_EXCEPT"
+
+/**
+ * \brief If set, game controller face buttons report their values according to their labels instead of their positional layout.
+ *
+ * For example, on Nintendo Switch controllers, normally you'd get:
+ *
+ * (Y)
+ * (X) (B)
+ * (A)
+ *
+ * but if this hint is set, you'll get:
+ *
+ * (X)
+ * (Y) (A)
+ * (B)
+ *
+ * The variable can be set to the following values:
+ * "0" - Report the face buttons by position, as though they were on an Xbox controller.
+ * "1" - Report the face buttons by label instead of position
+ *
+ * The default value is "1". This hint may be set at any time.
+ */
+#define SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS "SDL_GAMECONTROLLER_USE_BUTTON_LABELS"
/**
* \brief A variable that lets you enable joystick (and gamecontroller) events even when your app is in the background.
*/
#define SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS "SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS"
+/**
+ * \brief A variable controlling whether the HIDAPI joystick drivers should be used.
+ *
+ * This variable can be set to the following values:
+ * "0" - HIDAPI drivers are not used
+ * "1" - HIDAPI drivers are used (the default)
+ *
+ * This variable is the default for all drivers, but can be overridden by the hints for specific drivers below.
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI "SDL_JOYSTICK_HIDAPI"
+
+/**
+ * \brief A variable controlling whether the HIDAPI driver for PS4 controllers should be used.
+ *
+ * This variable can be set to the following values:
+ * "0" - HIDAPI driver is not used
+ * "1" - HIDAPI driver is used
+ *
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_PS4 "SDL_JOYSTICK_HIDAPI_PS4"
+
+/**
+ * \brief A variable controlling whether the HIDAPI driver for PS5 controllers should be used.
+ *
+ * This variable can be set to the following values:
+ * "0" - HIDAPI driver is not used
+ * "1" - HIDAPI driver is used
+ *
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_PS5 "SDL_JOYSTICK_HIDAPI_PS5"
+
+/**
+ * \brief A variable controlling whether extended input reports should be used for PS4 controllers when using the HIDAPI driver.
+ *
+ * This variable can be set to the following values:
+ * "0" - extended reports are not enabled (the default)
+ * "1" - extended reports
+ *
+ * Extended input reports allow rumble on Bluetooth PS4 controllers, but
+ * break DirectInput handling for applications that don't use SDL.
+ *
+ * Once extended reports are enabled, they can not be disabled without
+ * power cycling the controller.
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE "SDL_JOYSTICK_HIDAPI_PS4_RUMBLE"
+
+/**
+ * \brief A variable controlling whether the HIDAPI driver for Steam Controllers should be used.
+ *
+ * This variable can be set to the following values:
+ * "0" - HIDAPI driver is not used
+ * "1" - HIDAPI driver is used
+ *
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_STEAM "SDL_JOYSTICK_HIDAPI_STEAM"
+
+/**
+ * \brief A variable controlling whether the HIDAPI driver for Nintendo Switch controllers should be used.
+ *
+ * This variable can be set to the following values:
+ * "0" - HIDAPI driver is not used
+ * "1" - HIDAPI driver is used
+ *
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_SWITCH "SDL_JOYSTICK_HIDAPI_SWITCH"
+
+/**
+ * \brief A variable controlling whether the HIDAPI driver for XBox controllers should be used.
+ *
+ * This variable can be set to the following values:
+ * "0" - HIDAPI driver is not used
+ * "1" - HIDAPI driver is used
+ *
+ * The default is "0" on Windows, otherwise the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_XBOX "SDL_JOYSTICK_HIDAPI_XBOX"
+
+ /**
+ * \brief A variable controlling whether the HIDAPI driver for XBox controllers on Windows should pull correlated
+ * data from XInput.
+ *
+ * This variable can be set to the following values:
+ * "0" - HIDAPI Xbox driver will only use HIDAPI data
+ * "1" - HIDAPI Xbox driver will also pull data from XInput, providing better trigger axes, guide button
+ * presses, and rumble support
+ *
+ * The default is "1". This hint applies to any joysticks opened after setting the hint.
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_CORRELATE_XINPUT "SDL_JOYSTICK_HIDAPI_CORRELATE_XINPUT"
+
+/**
+ * \brief A variable controlling whether the HIDAPI driver for Nintendo GameCube controllers should be used.
+ *
+ * This variable can be set to the following values:
+ * "0" - HIDAPI driver is not used
+ * "1" - HIDAPI driver is used
+ *
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_GAMECUBE "SDL_JOYSTICK_HIDAPI_GAMECUBE"
+
+/**
+ * \brief A variable that controls whether Steam Controllers should be exposed using the SDL joystick and game controller APIs
+ *
+ * The variable can be set to the following values:
+ * "0" - Do not scan for Steam Controllers
+ * "1" - Scan for Steam Controllers (the default)
+ *
+ * The default value is "1". This hint must be set before initializing the joystick subsystem.
+ */
+#define SDL_HINT_ENABLE_STEAM_CONTROLLERS "SDL_ENABLE_STEAM_CONTROLLERS"
+
+ /**
+ * \brief A variable controlling whether the RAWINPUT joystick drivers should be used for better handling XInput-capable devices.
+ *
+ * This variable can be set to the following values:
+ * "0" - RAWINPUT drivers are not used
+ * "1" - RAWINPUT drivers are used (the default)
+ *
+ */
+#define SDL_HINT_JOYSTICK_RAWINPUT "SDL_JOYSTICK_RAWINPUT"
+
+ /**
+ * \brief A variable controlling whether a separate thread should be used
+ * for handling joystick detection and raw input messages on Windows
+ *
+ * This variable can be set to the following values:
+ * "0" - A separate thread is not used (the default)
+ * "1" - A separate thread is used for handling raw input messages
+ *
+ */
+#define SDL_HINT_JOYSTICK_THREAD "SDL_JOYSTICK_THREAD"
+
+ /**
+ * \brief A variable controlling whether joysticks on Linux adhere to their HID-defined deadzones or return unfiltered values.
+ *
+ * This variable can be set to the following values:
+ * "0" - Return unfiltered joystick axis values (the default)
+ * "1" - Return axis values with deadzones taken into account
+ */
+#define SDL_HINT_LINUX_JOYSTICK_DEADZONES "SDL_LINUX_JOYSTICK_DEADZONES"
/**
* \brief If set to "0" then never set the top most bit on a SDL Window, even if the video mode expects it.
*/
#define SDL_HINT_ALLOW_TOPMOST "SDL_ALLOW_TOPMOST"
-
/**
* \brief A variable that controls the timer resolution, in milliseconds.
*
#define SDL_HINT_TIMER_RESOLUTION "SDL_TIMER_RESOLUTION"
+/**
+ * \brief A variable describing the content orientation on QtWayland-based platforms.
+ *
+ * On QtWayland platforms, windows are rotated client-side to allow for custom
+ * transitions. In order to correctly position overlays (e.g. volume bar) and
+ * gestures (e.g. events view, close/minimize gestures), the system needs to
+ * know in which orientation the application is currently drawing its contents.
+ *
+ * This does not cause the window to be rotated or resized, the application
+ * needs to take care of drawing the content in the right orientation (the
+ * framebuffer is always in portrait mode).
+ *
+ * This variable can be one of the following values:
+ * "primary" (default), "portrait", "landscape", "inverted-portrait", "inverted-landscape"
+ */
+#define SDL_HINT_QTWAYLAND_CONTENT_ORIENTATION "SDL_QTWAYLAND_CONTENT_ORIENTATION"
+
+/**
+ * \brief Flags to set on QtWayland windows to integrate with the native window manager.
+ *
+ * On QtWayland platforms, this hint controls the flags to set on the windows.
+ * For example, on Sailfish OS "OverridesSystemGestures" disables swipe gestures.
+ *
+ * This variable is a space-separated list of the following values (empty = no flags):
+ * "OverridesSystemGestures", "StaysOnTop", "BypassWindowManager"
+ */
+#define SDL_HINT_QTWAYLAND_WINDOW_FLAGS "SDL_QTWAYLAND_WINDOW_FLAGS"
/**
* \brief A string specifying SDL's threads stack size in bytes or "0" for the backend's default size
* Use this hint in case you need to set SDL's threads stack size to other than the default.
* This is specially useful if you build SDL against a non glibc libc library (such as musl) which
* provides a relatively small default thread stack size (a few kilobytes versus the default 8MB glibc uses).
-* Support for this hint is currently available only in the pthread backend.
+* Support for this hint is currently available only in the pthread, Windows, and PSP backend.
+*
+* Instead of this hint, in 2.0.9 and later, you can use
+* SDL_CreateThreadWithStackSize(). This hint only works with the classic
+* SDL_CreateThread().
*/
#define SDL_HINT_THREAD_STACK_SIZE "SDL_THREAD_STACK_SIZE"
/**
+* \brief A string specifying additional information to use with SDL_SetThreadPriority.
+*
+* By default SDL_SetThreadPriority will make appropriate system changes in order to
+* apply a thread priority. For example on systems using pthreads the scheduler policy
+* is changed automatically to a policy that works well with a given priority.
+* Code which has specific requirements can override SDL's default behavior with this hint.
+*
+* pthread hint values are "current", "other", "fifo" and "rr".
+* Currently no other platform hint values are defined but may be in the future.
+*
+* \note On Linux, the kernel may send SIGKILL to realtime tasks which exceed the distro
+* configured execution budget for rtkit. This budget can be queried through RLIMIT_RTTIME
+* after calling SDL_SetThreadPriority().
+*/
+#define SDL_HINT_THREAD_PRIORITY_POLICY "SDL_THREAD_PRIORITY_POLICY"
+
+/**
+ * \brief Specifies whether SDL_THREAD_PRIORITY_TIME_CRITICAL should be treated as realtime.
+ *
+ * On some platforms, like Linux, a realtime priority thread may be subject to restrictions
+ * that require special handling by the application. This hint exists to let SDL know that
+ * the app is prepared to handle said restrictions.
+ *
+ * On Linux, SDL will apply the following configuration to any thread that becomes realtime:
+ * * The SCHED_RESET_ON_FORK bit will be set on the scheduling policy,
+ * * An RLIMIT_RTTIME budget will be configured to the rtkit specified limit.
+ * * Exceeding this limit will result in the kernel sending SIGKILL to the app,
+ * * Refer to the man pages for more information.
+ *
+ * This variable can be set to the following values:
+ * "0" - default platform specific behaviour
+ * "1" - Force SDL_THREAD_PRIORITY_TIME_CRITICAL to a realtime scheduling policy
+ */
+#define SDL_HINT_THREAD_FORCE_REALTIME_TIME_CRITICAL "SDL_THREAD_FORCE_REALTIME_TIME_CRITICAL"
+
+/**
* \brief If set to 1, then do not allow high-DPI windows. ("Retina" on Mac and iOS)
*/
#define SDL_HINT_VIDEO_HIGHDPI_DISABLED "SDL_VIDEO_HIGHDPI_DISABLED"
* privacy policy.
*
* To setup a URL to an app's privacy policy, set SDL_HINT_WINRT_PRIVACY_POLICY_URL
- * before calling any SDL_Init functions. The contents of the hint should
+ * before calling any SDL_Init() functions. The contents of the hint should
* be a valid URL. For example, "http://www.example.com".
*
* The default value is "", which will prevent SDL from adding a privacy policy
* The contents of this hint should be encoded as a UTF8 string.
*
* The default value is "Privacy Policy". This hint should only be set during app
- * initialization, preferably before any calls to SDL_Init.
+ * initialization, preferably before any calls to SDL_Init().
*
* For additional information on linking to a privacy policy, see the documentation for
* SDL_HINT_WINRT_PRIVACY_POLICY_URL.
*/
#define SDL_HINT_IME_INTERNAL_EDITING "SDL_IME_INTERNAL_EDITING"
+/**
+ * \brief A variable to control whether we trap the Android back button to handle it manually.
+ * This is necessary for the right mouse button to work on some Android devices, or
+ * to be able to trap the back button for use in your code reliably. If set to true,
+ * the back button will show up as an SDL_KEYDOWN / SDL_KEYUP pair with a keycode of
+ * SDL_SCANCODE_AC_BACK.
+ *
+ * The variable can be set to the following values:
+ * "0" - Back button will be handled as usual for system. (default)
+ * "1" - Back button will be trapped, allowing you to handle the key press
+ * manually. (This will also let right mouse click work on systems
+ * where the right mouse button functions as back.)
+ *
+ * The value of this hint is used at runtime, so it can be changed at any time.
+ */
+#define SDL_HINT_ANDROID_TRAP_BACK_BUTTON "SDL_ANDROID_TRAP_BACK_BUTTON"
+
+/**
+ * \brief A variable to control whether the event loop will block itself when the app is paused.
+ *
+ * The variable can be set to the following values:
+ * "0" - Non blocking.
+ * "1" - Blocking. (default)
+ *
+ * The value should be set before SDL is initialized.
+ */
+#define SDL_HINT_ANDROID_BLOCK_ON_PAUSE "SDL_ANDROID_BLOCK_ON_PAUSE"
+
+/**
+ * \brief A variable to control whether SDL will pause audio in background
+ * (Requires SDL_ANDROID_BLOCK_ON_PAUSE as "Non blocking")
+ *
+ * The variable can be set to the following values:
+ * "0" - Non paused.
+ * "1" - Paused. (default)
+ *
+ * The value should be set before SDL is initialized.
+ */
+#define SDL_HINT_ANDROID_BLOCK_ON_PAUSE_PAUSEAUDIO "SDL_ANDROID_BLOCK_ON_PAUSE_PAUSEAUDIO"
+
/**
- * \brief A variable to control whether mouse and touch events are to be treated together or separately
+ * \brief A variable to control whether the return key on the soft keyboard
+ * should hide the soft keyboard on Android and iOS.
*
* The variable can be set to the following values:
- * "0" - Mouse events will be handled as touch events, and touch will raise fake mouse
- * events. This is the behaviour of SDL <= 2.0.3. (default)
- * "1" - Mouse events will be handled separately from pure touch events.
+ * "0" - The return key will be handled as a key event. This is the behaviour of SDL <= 2.0.3. (default)
+ * "1" - The return key will hide the keyboard.
*
* The value of this hint is used at runtime, so it can be changed at any time.
*/
-#define SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH "SDL_ANDROID_SEPARATE_MOUSE_AND_TOUCH"
+#define SDL_HINT_RETURN_KEY_HIDES_IME "SDL_RETURN_KEY_HIDES_IME"
/**
* \brief override the binding element for keyboard inputs for Emscripten builds
#define SDL_HINT_EMSCRIPTEN_KEYBOARD_ELEMENT "SDL_EMSCRIPTEN_KEYBOARD_ELEMENT"
/**
+ * \brief Disable giving back control to the browser automatically
+ * when running with asyncify
+ *
+ * With -s ASYNCIFY, SDL2 calls emscripten_sleep during operations
+ * such as refreshing the screen or polling events.
+ *
+ * This hint only applies to the emscripten platform
+ *
+ * The variable can be set to the following values:
+ * "0" - Disable emscripten_sleep calls (if you give back browser control manually or use asyncify for other purposes)
+ * "1" - Enable emscripten_sleep calls (the default)
+ */
+#define SDL_HINT_EMSCRIPTEN_ASYNCIFY "SDL_EMSCRIPTEN_ASYNCIFY"
+
+/**
* \brief Tell SDL not to catch the SIGINT or SIGTERM signals.
*
- * This hint only applies to Unix-like platforms.
+ * This hint only applies to Unix-like platforms, and should set before
+ * any calls to SDL_Init()
*
* The variable can be set to the following values:
* "0" - SDL will install a SIGINT and SIGTERM handler, and when it
* "0" - SDL will generate a window-close event when it sees Alt+F4.
* "1" - SDL will only do normal key handling for Alt+F4.
*/
-#define SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4 "SDL_WINDOWS_NO_CLOSE_ON_ALT_F4"
+#define SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4 "SDL_WINDOWS_NO_CLOSE_ON_ALT_F4"
+
+/**
+ * \brief Prevent SDL from using version 4 of the bitmap header when saving BMPs.
+ *
+ * The bitmap header version 4 is required for proper alpha channel support and
+ * SDL will use it when required. Should this not be desired, this hint can
+ * force the use of the 40 byte header version which is supported everywhere.
+ *
+ * The variable can be set to the following values:
+ * "0" - Surfaces with a colorkey or an alpha channel are saved to a
+ * 32-bit BMP file with an alpha mask. SDL will use the bitmap
+ * header version 4 and set the alpha mask accordingly.
+ * "1" - Surfaces with a colorkey or an alpha channel are saved to a
+ * 32-bit BMP file without an alpha mask. The alpha channel data
+ * will be in the file, but applications are going to ignore it.
+ *
+ * The default value is "0".
+ */
+#define SDL_HINT_BMP_SAVE_LEGACY_FORMAT "SDL_BMP_SAVE_LEGACY_FORMAT"
+
+/**
+ * \brief Tell SDL not to name threads on Windows with the 0x406D1388 Exception.
+ * The 0x406D1388 Exception is a trick used to inform Visual Studio of a
+ * thread's name, but it tends to cause problems with other debuggers,
+ * and the .NET runtime. Note that SDL 2.0.6 and later will still use
+ * the (safer) SetThreadDescription API, introduced in the Windows 10
+ * Creators Update, if available.
+ *
+ * The variable can be set to the following values:
+ * "0" - SDL will raise the 0x406D1388 Exception to name threads.
+ * This is the default behavior of SDL <= 2.0.4.
+ * "1" - SDL will not raise this exception, and threads will be unnamed. (default)
+ * This is necessary with .NET languages or debuggers that aren't Visual Studio.
+ */
+#define SDL_HINT_WINDOWS_DISABLE_THREAD_NAMING "SDL_WINDOWS_DISABLE_THREAD_NAMING"
+
+/**
+ * \brief Tell SDL which Dispmanx layer to use on a Raspberry PI
+ *
+ * Also known as Z-order. The variable can take a negative or positive value.
+ * The default is 10000.
+ */
+#define SDL_HINT_RPI_VIDEO_LAYER "SDL_RPI_VIDEO_LAYER"
+
+/**
+ * \brief Tell the video driver that we only want a double buffer.
+ *
+ * By default, most lowlevel 2D APIs will use a triple buffer scheme that
+ * wastes no CPU time on waiting for vsync after issuing a flip, but
+ * introduces a frame of latency. On the other hand, using a double buffer
+ * scheme instead is recommended for cases where low latency is an important
+ * factor because we save a whole frame of latency.
+ * We do so by waiting for vsync immediately after issuing a flip, usually just
+ * after eglSwapBuffers call in the backend's *_SwapWindow function.
+ *
+ * Since it's driver-specific, it's only supported where possible and
+ * implemented. Currently supported the following drivers:
+ * - KMSDRM (kmsdrm)
+ * - Raspberry Pi (raspberrypi)
+ */
+#define SDL_HINT_VIDEO_DOUBLE_BUFFER "SDL_VIDEO_DOUBLE_BUFFER"
+
+/**
+ * \brief A variable controlling what driver to use for OpenGL ES contexts.
+ *
+ * On some platforms, currently Windows and X11, OpenGL drivers may support
+ * creating contexts with an OpenGL ES profile. By default SDL uses these
+ * profiles, when available, otherwise it attempts to load an OpenGL ES
+ * library, e.g. that provided by the ANGLE project. This variable controls
+ * whether SDL follows this default behaviour or will always load an
+ * OpenGL ES library.
+ *
+ * Circumstances where this is useful include
+ * - Testing an app with a particular OpenGL ES implementation, e.g ANGLE,
+ * or emulator, e.g. those from ARM, Imagination or Qualcomm.
+ * - Resolving OpenGL ES function addresses at link time by linking with
+ * the OpenGL ES library instead of querying them at run time with
+ * SDL_GL_GetProcAddress().
+ *
+ * Caution: for an application to work with the default behaviour across
+ * different OpenGL drivers it must query the OpenGL ES function
+ * addresses at run time using SDL_GL_GetProcAddress().
+ *
+ * This variable is ignored on most platforms because OpenGL ES is native
+ * or not supported.
+ *
+ * This variable can be set to the following values:
+ * "0" - Use ES profile of OpenGL, if available. (Default when not set.)
+ * "1" - Load OpenGL ES library using the default library names.
+ *
+ */
+#define SDL_HINT_OPENGL_ES_DRIVER "SDL_OPENGL_ES_DRIVER"
+
+/**
+ * \brief A variable controlling speed/quality tradeoff of audio resampling.
+ *
+ * If available, SDL can use libsamplerate ( http://www.mega-nerd.com/SRC/ )
+ * to handle audio resampling. There are different resampling modes available
+ * that produce different levels of quality, using more CPU.
+ *
+ * If this hint isn't specified to a valid setting, or libsamplerate isn't
+ * available, SDL will use the default, internal resampling algorithm.
+ *
+ * Note that this is currently only applicable to resampling audio that is
+ * being written to a device for playback or audio being read from a device
+ * for capture. SDL_AudioCVT always uses the default resampler (although this
+ * might change for SDL 2.1).
+ *
+ * This hint is currently only checked at audio subsystem initialization.
+ *
+ * This variable can be set to the following values:
+ *
+ * "0" or "default" - Use SDL's internal resampling (Default when not set - low quality, fast)
+ * "1" or "fast" - Use fast, slightly higher quality resampling, if available
+ * "2" or "medium" - Use medium quality resampling, if available
+ * "3" or "best" - Use high quality resampling, if available
+ */
+#define SDL_HINT_AUDIO_RESAMPLING_MODE "SDL_AUDIO_RESAMPLING_MODE"
+
+/**
+ * \brief A variable controlling the audio category on iOS and Mac OS X
+ *
+ * This variable can be set to the following values:
+ *
+ * "ambient" - Use the AVAudioSessionCategoryAmbient audio category, will be muted by the phone mute switch (default)
+ * "playback" - Use the AVAudioSessionCategoryPlayback category
+ *
+ * For more information, see Apple's documentation:
+ * https://developer.apple.com/library/content/documentation/Audio/Conceptual/AudioSessionProgrammingGuide/AudioSessionCategoriesandModes/AudioSessionCategoriesandModes.html
+ */
+#define SDL_HINT_AUDIO_CATEGORY "SDL_AUDIO_CATEGORY"
+
+
+/**
+ * \brief Set Tizen indicator opacity
+ *
+ * The variable can be one of
+ * "#opaque" - Opacifies the indicator
+ * "#translucent" - Be translucent the indicator
+ * "#transparent" - Transparentizes the indicator (this is the default)
+ * "#bg_transparent" - Transparentizes the indicator background
+ */
+#define SDL_HINT_TIZEN_INDICATOR_OPACITY "SDL_TIZEN_INDICATOR_OPACITY"
+
+/**
+ * \brief A variable controlling whether the 2D render API is compatible or efficient.
+ *
+ * This variable can be set to the following values:
+ *
+ * "0" - Don't use batching to make rendering more efficient.
+ * "1" - Use batching, but might cause problems if app makes its own direct OpenGL calls.
+ *
+ * Up to SDL 2.0.9, the render API would draw immediately when requested. Now
+ * it batches up draw requests and sends them all to the GPU only when forced
+ * to (during SDL_RenderPresent, when changing render targets, by updating a
+ * texture that the batch needs, etc). This is significantly more efficient,
+ * but it can cause problems for apps that expect to render on top of the
+ * render API's output. As such, SDL will disable batching if a specific
+ * render backend is requested (since this might indicate that the app is
+ * planning to use the underlying graphics API directly). This hint can
+ * be used to explicitly request batching in this instance. It is a contract
+ * that you will either never use the underlying graphics API directly, or
+ * if you do, you will call SDL_RenderFlush() before you do so any current
+ * batch goes to the GPU before your work begins. Not following this contract
+ * will result in undefined behavior.
+ */
+#define SDL_HINT_RENDER_BATCHING "SDL_RENDER_BATCHING"
+
+/**
+ * \brief A variable controlling whether SDL updates joystick state when getting input events
+ *
+ * This variable can be set to the following values:
+ *
+ * "0" - You'll call SDL_JoystickUpdate() manually
+ * "1" - SDL will automatically call SDL_JoystickUpdate() (default)
+ *
+ * This hint can be toggled on and off at runtime.
+ */
+#define SDL_HINT_AUTO_UPDATE_JOYSTICKS "SDL_AUTO_UPDATE_JOYSTICKS"
+
+
+/**
+ * \brief A variable controlling whether SDL updates sensor state when getting input events
+ *
+ * This variable can be set to the following values:
+ *
+ * "0" - You'll call SDL_SensorUpdate() manually
+ * "1" - SDL will automatically call SDL_SensorUpdate() (default)
+ *
+ * This hint can be toggled on and off at runtime.
+ */
+#define SDL_HINT_AUTO_UPDATE_SENSORS "SDL_AUTO_UPDATE_SENSORS"
+
+
+/**
+ * \brief A variable controlling whether SDL logs all events pushed onto its internal queue.
+ *
+ * This variable can be set to the following values:
+ *
+ * "0" - Don't log any events (default)
+ * "1" - Log all events except mouse and finger motion, which are pretty spammy.
+ * "2" - Log all events.
+ *
+ * This is generally meant to be used to debug SDL itself, but can be useful
+ * for application developers that need better visibility into what is going
+ * on in the event queue. Logged events are sent through SDL_Log(), which
+ * means by default they appear on stdout on most platforms or maybe
+ * OutputDebugString() on Windows, and can be funneled by the app with
+ * SDL_LogSetOutputFunction(), etc.
+ *
+ * This hint can be toggled on and off at runtime, if you only need to log
+ * events for a small subset of program execution.
+ */
+#define SDL_HINT_EVENT_LOGGING "SDL_EVENT_LOGGING"
+
+
+
+/**
+ * \brief Controls how the size of the RIFF chunk affects the loading of a WAVE file.
+ *
+ * The size of the RIFF chunk (which includes all the sub-chunks of the WAVE
+ * file) is not always reliable. In case the size is wrong, it's possible to
+ * just ignore it and step through the chunks until a fixed limit is reached.
+ *
+ * Note that files that have trailing data unrelated to the WAVE file or
+ * corrupt files may slow down the loading process without a reliable boundary.
+ * By default, SDL stops after 10000 chunks to prevent wasting time. Use the
+ * environment variable SDL_WAVE_CHUNK_LIMIT to adjust this value.
+ *
+ * This variable can be set to the following values:
+ *
+ * "force" - Always use the RIFF chunk size as a boundary for the chunk search
+ * "ignorezero" - Like "force", but a zero size searches up to 4 GiB (default)
+ * "ignore" - Ignore the RIFF chunk size and always search up to 4 GiB
+ * "maximum" - Search for chunks until the end of file (not recommended)
+ */
+#define SDL_HINT_WAVE_RIFF_CHUNK_SIZE "SDL_WAVE_RIFF_CHUNK_SIZE"
+
+/**
+ * \brief Controls how a truncated WAVE file is handled.
+ *
+ * A WAVE file is considered truncated if any of the chunks are incomplete or
+ * the data chunk size is not a multiple of the block size. By default, SDL
+ * decodes until the first incomplete block, as most applications seem to do.
+ *
+ * This variable can be set to the following values:
+ *
+ * "verystrict" - Raise an error if the file is truncated
+ * "strict" - Like "verystrict", but the size of the RIFF chunk is ignored
+ * "dropframe" - Decode until the first incomplete sample frame
+ * "dropblock" - Decode until the first incomplete block (default)
+ */
+#define SDL_HINT_WAVE_TRUNCATION "SDL_WAVE_TRUNCATION"
+
+/**
+ * \brief Controls how the fact chunk affects the loading of a WAVE file.
+ *
+ * The fact chunk stores information about the number of samples of a WAVE
+ * file. The Standards Update from Microsoft notes that this value can be used
+ * to 'determine the length of the data in seconds'. This is especially useful
+ * for compressed formats (for which this is a mandatory chunk) if they produce
+ * multiple sample frames per block and truncating the block is not allowed.
+ * The fact chunk can exactly specify how many sample frames there should be
+ * in this case.
+ *
+ * Unfortunately, most application seem to ignore the fact chunk and so SDL
+ * ignores it by default as well.
+ *
+ * This variable can be set to the following values:
+ *
+ * "truncate" - Use the number of samples to truncate the wave data if
+ * the fact chunk is present and valid
+ * "strict" - Like "truncate", but raise an error if the fact chunk
+ * is invalid, not present for non-PCM formats, or if the
+ * data chunk doesn't have that many samples
+ * "ignorezero" - Like "truncate", but ignore fact chunk if the number of
+ * samples is zero
+ * "ignore" - Ignore fact chunk entirely (default)
+ */
+#define SDL_HINT_WAVE_FACT_CHUNK "SDL_WAVE_FACT_CHUNK"
+
+/**
+ * \brief Override for SDL_GetDisplayUsableBounds()
+ *
+ * If set, this hint will override the expected results for
+ * SDL_GetDisplayUsableBounds() for display index 0. Generally you don't want
+ * to do this, but this allows an embedded system to request that some of the
+ * screen be reserved for other uses when paired with a well-behaved
+ * application.
+ *
+ * The contents of this hint must be 4 comma-separated integers, the first
+ * is the bounds x, then y, width and height, in that order.
+ */
+#define SDL_HINT_DISPLAY_USABLE_BOUNDS "SDL_DISPLAY_USABLE_BOUNDS"
+
+/**
+ * \brief Specify an application name for an audio device.
+ *
+ * Some audio backends (such as PulseAudio) allow you to describe your audio
+ * stream. Among other things, this description might show up in a system
+ * control panel that lets the user adjust the volume on specific audio
+ * streams instead of using one giant master volume slider.
+ *
+ * This hints lets you transmit that information to the OS. The contents of
+ * this hint are used while opening an audio device. You should use a string
+ * that describes your program ("My Game 2: The Revenge")
+ *
+ * Setting this to "" or leaving it unset will have SDL use a reasonable
+ * default: probably the application's name or "SDL Application" if SDL
+ * doesn't have any better information.
+ *
+ * On targets where this is not supported, this hint does nothing.
+ */
+#define SDL_HINT_AUDIO_DEVICE_APP_NAME "SDL_AUDIO_DEVICE_APP_NAME"
+
+/**
+ * \brief Specify an application name for an audio device.
+ *
+ * Some audio backends (such as PulseAudio) allow you to describe your audio
+ * stream. Among other things, this description might show up in a system
+ * control panel that lets the user adjust the volume on specific audio
+ * streams instead of using one giant master volume slider.
+ *
+ * This hints lets you transmit that information to the OS. The contents of
+ * this hint are used while opening an audio device. You should use a string
+ * that describes your what your program is playing ("audio stream" is
+ * probably sufficient in many cases, but this could be useful for something
+ * like "team chat" if you have a headset playing VoIP audio separately).
+ *
+ * Setting this to "" or leaving it unset will have SDL use a reasonable
+ * default: "audio stream" or something similar.
+ *
+ * On targets where this is not supported, this hint does nothing.
+ */
+#define SDL_HINT_AUDIO_DEVICE_STREAM_NAME "SDL_AUDIO_DEVICE_STREAM_NAME"
+
+
+/**
+ * \brief Override for SDL_GetPreferredLocales()
+ *
+ * If set, this will be favored over anything the OS might report for the
+ * user's preferred locales. Changing this hint at runtime will not generate
+ * a SDL_LOCALECHANGED event (but if you can change the hint, you can push
+ * your own event, if you want).
+ *
+ * The format of this hint is a comma-separated list of language and locale,
+ * combined with an underscore, as is a common format: "en_GB". Locale is
+ * optional: "en". So you might have a list like this: "en_GB,jp,es_PT"
+ */
+#define SDL_HINT_PREFERRED_LOCALES "SDL_PREFERRED_LOCALES"
+
/**
* \brief An enumeration of hint priorities
extern DECLSPEC const char * SDLCALL SDL_GetHint(const char *name);
/**
+ * \brief Get a hint
+ *
+ * \return The boolean value of a hint variable.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_GetHintBoolean(const char *name, SDL_bool default_value);
+
+/**
+ * \brief type definition of the hint callback function.
+ */
+typedef void (SDLCALL *SDL_HintCallback)(void *userdata, const char *name, const char *oldValue, const char *newValue);
+
+/**
* \brief Add a function to watch a particular hint
*
* \param name The hint to watch
* \param callback The function to call when the hint value changes
* \param userdata A pointer to pass to the callback function
*/
-typedef void (*SDL_HintCallback)(void *userdata, const char *name, const char *oldValue, const char *newValue);
extern DECLSPEC void SDLCALL SDL_AddHintCallback(const char *name,
SDL_HintCallback callback,
void *userdata);
#endif
#include "close_code.h"
-#endif /* _SDL_hints_h */
+#endif /* SDL_hints_h_ */
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