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| ||Uint8||'''state'''||the current button state|| | ||Uint8||'''state'''||the current button state; see [[#Remarks|Remarks]] for details|| |
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| The button state can be interpreted using the SDL_BUTTON macro (see [[SDL_GetMouseState]]()). | '''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 SDL_BUTTON(X) macros with the following masks: ||SDL_BUTTON_LMASK||SDL_BUTTON(SDL_BUTTON_LEFT)|| ||SDL_BUTTON_MMASK||SDL_BUTTON(SDL_BUTTON_MIDDLE)|| ||SDL_BUTTON_RMASK||SDL_BUTTON(SDL_BUTTON_RIGHT)|| ||SDL_BUTTON_X1MASK||SDL_BUTTON(SDL_BUTTON_X1)|| ||SDL_BUTTON_X2MASK||SDL_BUTTON(SDL_BUTTON_X2)|| |
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SDL_MouseMotionEvent
A structure that contains mouse motion event information.
Contents
Data Fields
Uint32 |
type |
SDL_MOUSEMOTION |
Uint32 |
windowID |
the window with mouse focus, if any |
Uint8 |
state |
the current button state; 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
You can add your code example here
Remarks
SDL_MouseMotionEvent is a member of the SDL_Event structure and is used when an event of type SDL_MOUSEMOTION is reported.
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 SDL_BUTTON(X) macros with the following masks:
SDL_BUTTON_LMASK |
SDL_BUTTON(SDL_BUTTON_LEFT) |
SDL_BUTTON_MMASK |
SDL_BUTTON(SDL_BUTTON_MIDDLE) |
SDL_BUTTON_RMASK |
SDL_BUTTON(SDL_BUTTON_RIGHT) |
SDL_BUTTON_X1MASK |
SDL_BUTTON(SDL_BUTTON_X1) |
SDL_BUTTON_X2MASK |
SDL_BUTTON(SDL_BUTTON_X2) |
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 of the screen. This is currently only implemented on Windows and Linux/Unix-alikes.
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Related Enumerations
Related Structures
