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Man Pages


Manual Reference Pages  -  SDL_MOUSEMOTIONEVENT (3)

NAME

SDL_MouseMotionEvent - Mouse motion event structure

CONTENTS

STRUCTURE DEFINITION

typedef struct{
  Uint8 type;
  Uint8 state;
  Uint16 x, y;
  Sint16 xrel, yrel;
} SDL_MouseMotionEvent;

STRUCTURE DATA

type SDL_MOUSEMOTION
state The current button state
x, y The X/Y coordinates of the mouse
xrel, yrel Relative motion in the X/Y direction

DESCRIPTION

SDL_MouseMotionEvent is a member of the SDL_Event union and is used when an event of type SDL_MOUSEMOTION is reported.

Simply put, a SDL_MOUSEMOTION type event occurs when a user moves the mouse within the application window or when SDL_WarpMouse is called. Both the absolute (x and y) and relative (xrel and yrel) coordinates are reported along with the current button states (state). The button state can be interpreted using the SDL_BUTTON macro (see SDL_GetMouseState).

If the cursor is hidden (SDL_ShowCursor(0)) and the input is grabbed (SDL_WM_GrabInput(SDL_GRAB_ON)), then the mouse will give relative motion events even when the cursor reaches the edge fo the screen. This is currently only implemented on Windows and Linux/Unix-a-likes.

SEE ALSO

SDL_Event, SDL_MouseButtonEvent

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SDL SDL_MOUSEMOTIONEVENT (3) Tue 11 Sep 2001, 22:59

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