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Add cursor position to mouse wheel event (thanks @meyraud705!) 

Fixes https://github.com/libsdl-org/SDL/pull/6351
This commit is contained in:
Sam Lantinga 2022-10-08 12:01:42 -07:00
parent 5490505a2b
commit 4f318c904a
2 changed files with 4 additions and 0 deletions
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2
include/SDL_events.h
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@ -318,6 +318,8 @@ typedef struct SDL_MouseWheelEvent
Uint32 direction; /**< Set to one of the SDL_MOUSEWHEEL_* defines. When FLIPPED the values in X and Y will be opposite. Multiply by -1 to change them back */ Uint32 direction; /**< Set to one of the SDL_MOUSEWHEEL_* defines. When FLIPPED the values in X and Y will be opposite. Multiply by -1 to change them back */
float preciseX; /**< The amount scrolled horizontally, positive to the right and negative to the left, with float precision (added in 2.0.18) */ float preciseX; /**< The amount scrolled horizontally, positive to the right and negative to the left, with float precision (added in 2.0.18) */
float preciseY; /**< The amount scrolled vertically, positive away from the user and negative toward the user, with float precision (added in 2.0.18) */ float preciseY; /**< The amount scrolled vertically, positive away from the user and negative toward the user, with float precision (added in 2.0.18) */
Sint32 mouse_x; /**< X coordinate, relative to window (added in 2.26.0) */
Sint32 mouse_y; /**< Y coordinate, relative to window (added in 2.26.0) */
} SDL_MouseWheelEvent; } SDL_MouseWheelEvent;
/** /**

2
src/events/SDL_mouse.c
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@ -868,6 +868,8 @@ SDL_SendMouseWheel(SDL_Window * window, SDL_MouseID mouseID, float x, float y, S
event.wheel.preciseX = x; event.wheel.preciseX = x;
event.wheel.preciseY = y; event.wheel.preciseY = y;
event.wheel.direction = (Uint32)direction; event.wheel.direction = (Uint32)direction;
event.wheel.mouse_x = mouse->x;
event.wheel.mouse_y = mouse->y;
posted = (SDL_PushEvent(&event) > 0); posted = (SDL_PushEvent(&event) > 0);
} }
return posted; return posted;