SDL_MouseMotionEvent
A structure that contains mouse motion event information.
Contents
Data Fields
Uint32 |
type |
the event type; SDL_MOUSEMOTION |
Uint32 |
windowID |
the window with mouse focus, if any |
Uint8 |
state |
the state of the button; see Remarks for details |
int |
x |
X coordinate, relative to window |
int |
y |
Y coordinate, relative to window |
int |
xrel |
relative motion in the X direction |
int |
yrel |
relative motion in the Y direction |
Code Examples
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Remarks
SDL_MouseMotionEvent is a member of the SDL_Event union and is used when an event of type SDL_MOUSEMOTION is reported. You would access it through the event's motion field.
An SDL_MOUSEMOTION event occurs whenever a user moves the mouse within the application window or when SDL_WarpMouseInWindow() is called.
state is an 8-bit button bitmask of the current button state and is the same as that returned by SDL_GetMouseState(). You can test different buttons by using the following masks:
SDL_BUTTON_LMASK |
SDL_BUTTON_MMASK |
SDL_BUTTON_RMASK |
SDL_BUTTON_X1MASK |
SDL_BUTTON_X2MASK |
Relative motion is stored in xrel and yrel and is relative to the last motion event. If relative mouse mode is enabled with SDL_SetRelativeMouseMode(), then the mouse will give relative motion events even when the cursor reaches the edge of the screen.
Related Enumerations
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