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Added SDL_GetSystemTheme() to return whether the system is using a dark or light color theme, and SDL_EVENT_SYSTEM_THEME_CHANGED is sent when this changes

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Fixes https://github.com/libsdl-org/SDL/issues/5334
Fixes https://github.com/libsdl-org/SDL/issues/6958
Closes https://github.com/libsdl-org/SDL/pull/6440
This commit is contained in:
Sam Lantinga
2023-03-07 00:01:34 -08:00
parent fb0c3197e0
commit 8994878767
27 changed files with 243 additions and 21 deletions
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2
include/SDL3/SDL_events.h
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@@ -87,6 +87,8 @@ typedef enum
SDL_EVENT_LOCALE_CHANGED, /**< The user's locale preferences have changed. */
SDL_EVENT_SYSTEM_THEME_CHANGED, /**< The system theme changed */
/* Display events */
/* 0x150 was SDL_DISPLAYEVENT, reserve the number for sdl2-compat */
SDL_EVENT_DISPLAY_ORIENTATION = 0x151, /**< Display orientation has changed to data1 */

43
include/SDL3/SDL_video.h
View File

@@ -43,6 +43,16 @@ extern "C" {
typedef Uint32 SDL_DisplayID;
typedef Uint32 SDL_WindowID;
/**
* \brief System theme
*/
typedef enum
{
SDL_SYSTEM_THEME_UNKNOWN, /**< Unknown system theme */
SDL_SYSTEM_THEME_LIGHT, /**< Light colored system theme */
SDL_SYSTEM_THEME_DARK, /**< Dark colored system theme */
} SDL_SystemTheme;
/**
* \brief The structure that defines a display mode
*
@@ -65,6 +75,18 @@ typedef struct
void *driverdata; /**< driver-specific data, initialize to 0 */
} SDL_DisplayMode;
/**
* \brief Display orientation
*/
typedef enum
{
SDL_ORIENTATION_UNKNOWN, /**< The display orientation can't be determined */
SDL_ORIENTATION_LANDSCAPE, /**< The display is in landscape mode, with the right side up, relative to portrait mode */
SDL_ORIENTATION_LANDSCAPE_FLIPPED, /**< The display is in landscape mode, with the left side up, relative to portrait mode */
SDL_ORIENTATION_PORTRAIT, /**< The display is in portrait mode */
SDL_ORIENTATION_PORTRAIT_FLIPPED /**< The display is in portrait mode, upside down */
} SDL_DisplayOrientation;
/**
* \brief The type used to identify a window
*
@@ -151,18 +173,6 @@ typedef enum
#define SDL_WINDOWPOS_ISCENTERED(X) \
(((X)&0xFFFF0000) == SDL_WINDOWPOS_CENTERED_MASK)
/**
* \brief Display orientation
*/
typedef enum
{
SDL_ORIENTATION_UNKNOWN, /**< The display orientation can't be determined */
SDL_ORIENTATION_LANDSCAPE, /**< The display is in landscape mode, with the right side up, relative to portrait mode */
SDL_ORIENTATION_LANDSCAPE_FLIPPED, /**< The display is in landscape mode, with the left side up, relative to portrait mode */
SDL_ORIENTATION_PORTRAIT, /**< The display is in portrait mode */
SDL_ORIENTATION_PORTRAIT_FLIPPED /**< The display is in portrait mode, upside down */
} SDL_DisplayOrientation;
/**
* \brief Window flash operation
*/
@@ -297,6 +307,15 @@ extern DECLSPEC const char *SDLCALL SDL_GetVideoDriver(int index);
*/
extern DECLSPEC const char *SDLCALL SDL_GetCurrentVideoDriver(void);
/**
* Get the current system theme
*
* \returns the current system theme, light, dark, or unknown
*
* \since This function is available since SDL 3.0.0.
*/
extern DECLSPEC SDL_SystemTheme SDLCALL SDL_GetSystemTheme(void);
/**
* Get a list of currently connected displays.
*