lg_mouse.c File Reference

Functions
zboolean	lg_mouse_get_state (SDL_Event event, zboolean *left_click, zboolean *right_click, int *dx, int *dy, int *dz_wheel)
int	lg_mouse_override_delta_threshold (int new_threshold)

Detailed Description

 === Mouse-related stuff ===

Function Documentation

lg_mouse_get_state()

zboolean lg_mouse_get_state	(	SDL_Event	event,
		zboolean *	left_click,
		zboolean *	right_click,
		int *	dx,
		int *	dy,
		int *	dz_wheel
	)

Get mouse inputs: left/right click, delta x/y since last call IF left or right button is pressed, wheel actions since last call

=== This is the func you can/should use to get mouse inputs inside the game main loop ===

Does NOT invoke SDL_PollEvent()

Parameters

event	A SDL_Event
left_click	Pointer to zboolean that will get left clicks
right_click	Pointer to zboolean that will get right clicks
dx	Pointer to int that will get delta x since last call
dy	Pointer to int that will get delta y since last call
dz_wheel	Pointer to int that will get delta z (wheel forward/backward motions) since last call

Returns

TRUE if there was some mouse activity, FALSE otherwise

lg_mouse_override_delta_threshold()

int lg_mouse_override_delta_threshold

(

int

new_threshold

)

Override mouse delta threshold

Default value is MOUSE_DELTA_THRESHOLD defined in lg_mouse.h

Parameters

new_threshold

Returns

LG_OK if OK, LG_ERROR if new_threshold is < 1