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| author | Alex Szpakowski <slime73@gmail.com> | 2018-11-10 16:15:48 -0400 |
|---|---|---|
| committer | Alex Szpakowski <slime73@gmail.com> | 2018-11-10 16:15:48 -0400 |
| commit | e4a845faec1803b3e5c92e2f671f7651cfba4238 (patch) | |
| tree | d0ddacbea6a26f0f9fdd1da41c432fbc1e278a5c /include | |
| parent | 9fd857ef3e8b96088bdc8132a330723f002ca2c3 (diff) | |
Add SDL_TouchDeviceType enum and SDL_GetTouchDeviceType(SDL_TouchID id).
Touch device types include SDL_TOUCH_DEVICE_DIRECT (a touch screen with window-relative coordinates for touches), SDL_TOUCH_DEVICE_INDIRECT_ABSOLUTE (a trackpad-style device with absolute device coordinates), and SDL_TOUCH_DEVICE_INDIRECT_RELATIVE (a trackpad-style device with screen cursor-relative coordinates).
Phone screens are an example of a direct device type. Mac trackpads are the indirect-absolute touch device type. The Apple TV remote is an indirect-relative touch device type.
Diffstat (limited to 'include')
| -rw-r--r-- | include/SDL_touch.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/SDL_touch.h b/include/SDL_touch.h index f4075e79a5..926a9e189c 100644 --- a/include/SDL_touch.h +++ b/include/SDL_touch.h @@ -41,6 +41,14 @@ extern "C" { typedef Sint64 SDL_TouchID; typedef Sint64 SDL_FingerID; +typedef enum +{ + SDL_TOUCH_DEVICE_INVALID = -1, + SDL_TOUCH_DEVICE_DIRECT, /* touch screen with window-relative coordinates */ + SDL_TOUCH_DEVICE_INDIRECT_ABSOLUTE, /* trackpad with absolute device coordinates */ + SDL_TOUCH_DEVICE_INDIRECT_RELATIVE, /* trackpad with screen cursor-relative coordinates */ +} SDL_TouchDeviceType; + typedef struct SDL_Finger { SDL_FingerID id; @@ -66,6 +74,11 @@ extern DECLSPEC int SDLCALL SDL_GetNumTouchDevices(void); extern DECLSPEC SDL_TouchID SDLCALL SDL_GetTouchDevice(int index); /** + * \brief Get the type of the given touch device. + */ +extern DECLSPEC SDL_TouchDeviceType SDLCALL SDL_GetTouchDeviceType(SDL_TouchID touchID); + +/** * \brief Get the number of active fingers for a given touch device. */ extern DECLSPEC int SDLCALL SDL_GetNumTouchFingers(SDL_TouchID touchID); |