149 lines
4.7 KiB
C
149 lines
4.7 KiB
C
/*****************************************************************************
|
|
* vlc_mouse.h: mouse related structures and functions
|
|
*****************************************************************************
|
|
* Copyright (C) 2009 Laurent Aimar
|
|
* $Id: b48853570a09ad1d77cc95cda0c5b04b5028ee80 $
|
|
*
|
|
* Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 2.1 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
|
|
*****************************************************************************/
|
|
|
|
#ifndef _VLC_MOUSE_H
|
|
#define _VLC_MOUSE_H 1
|
|
|
|
/**
|
|
* Mouse buttons
|
|
*/
|
|
enum
|
|
{
|
|
MOUSE_BUTTON_LEFT=0,
|
|
MOUSE_BUTTON_CENTER,
|
|
MOUSE_BUTTON_RIGHT,
|
|
MOUSE_BUTTON_WHEEL_UP,
|
|
MOUSE_BUTTON_WHEEL_DOWN,
|
|
MOUSE_BUTTON_WHEEL_LEFT,
|
|
MOUSE_BUTTON_WHEEL_RIGHT,
|
|
MOUSE_BUTTON_MAX
|
|
};
|
|
|
|
/**
|
|
* Mouse state
|
|
*/
|
|
typedef struct
|
|
{
|
|
/* Coordinate */
|
|
int i_x;
|
|
int i_y;
|
|
/* Mask of pressed button */
|
|
int i_pressed;
|
|
/* Is double clicked */
|
|
bool b_double_click;
|
|
} vlc_mouse_t;
|
|
|
|
static inline void vlc_mouse_Init( vlc_mouse_t *p_mouse )
|
|
{
|
|
p_mouse->i_x = 0;
|
|
p_mouse->i_y = 0;
|
|
p_mouse->i_pressed = 0;
|
|
p_mouse->b_double_click = false;
|
|
}
|
|
|
|
/* */
|
|
static inline void vlc_mouse_SetPressed( vlc_mouse_t *p_mouse,
|
|
int i_button )
|
|
{
|
|
p_mouse->i_pressed |= 1 << i_button;
|
|
}
|
|
static inline void vlc_mouse_SetReleased( vlc_mouse_t *p_mouse,
|
|
int i_button )
|
|
{
|
|
p_mouse->i_pressed &= ~(1 << i_button);
|
|
}
|
|
static inline void vlc_mouse_SetPosition( vlc_mouse_t *p_mouse,
|
|
int i_x, int i_y )
|
|
{
|
|
p_mouse->i_x = i_x;
|
|
p_mouse->i_y = i_y;
|
|
}
|
|
|
|
/* */
|
|
static inline bool vlc_mouse_IsPressed( const vlc_mouse_t *p_mouse,
|
|
int i_button )
|
|
{
|
|
return ( p_mouse->i_pressed & (1 << i_button) ) != 0;
|
|
}
|
|
static inline bool vlc_mouse_IsLeftPressed( const vlc_mouse_t *p_mouse )
|
|
{
|
|
return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_LEFT );
|
|
}
|
|
static inline bool vlc_mouse_IsCenterPressed( const vlc_mouse_t *p_mouse )
|
|
{
|
|
return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_CENTER );
|
|
}
|
|
static inline bool vlc_mouse_IsRightPressed( const vlc_mouse_t *p_mouse )
|
|
{
|
|
return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_RIGHT );
|
|
}
|
|
static inline bool vlc_mouse_IsWheelUpPressed( const vlc_mouse_t *p_mouse )
|
|
{
|
|
return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_WHEEL_UP );
|
|
}
|
|
static inline bool vlc_mouse_IsWheelDownPressed( const vlc_mouse_t *p_mouse )
|
|
{
|
|
return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_WHEEL_DOWN );
|
|
}
|
|
static inline void vlc_mouse_GetMotion( int *pi_x, int *pi_y,
|
|
const vlc_mouse_t *p_old,
|
|
const vlc_mouse_t *p_new )
|
|
{
|
|
*pi_x = p_new->i_x - p_old->i_x;
|
|
*pi_y = p_new->i_y - p_old->i_y;
|
|
}
|
|
|
|
/* */
|
|
static inline bool vlc_mouse_HasChanged( const vlc_mouse_t *p_old,
|
|
const vlc_mouse_t *p_new )
|
|
{
|
|
return p_old->i_x != p_new->i_x || p_old->i_y != p_new->i_y ||
|
|
p_old->i_pressed != p_new->i_pressed;
|
|
}
|
|
static inline bool vlc_mouse_HasMoved( const vlc_mouse_t *p_old,
|
|
const vlc_mouse_t *p_new )
|
|
{
|
|
return p_old->i_x != p_new->i_x || p_old->i_y != p_new->i_y;
|
|
}
|
|
static inline bool vlc_mouse_HasButton( const vlc_mouse_t *p_old,
|
|
const vlc_mouse_t *p_new )
|
|
{
|
|
return p_old->i_pressed != p_new->i_pressed;
|
|
}
|
|
static inline bool vlc_mouse_HasPressed( const vlc_mouse_t *p_old,
|
|
const vlc_mouse_t *p_new,
|
|
int i_button )
|
|
{
|
|
const int i_mask = 1 << i_button;
|
|
return (p_old->i_pressed & i_mask) == 0 && (p_new->i_pressed & i_mask);
|
|
}
|
|
static inline bool vlc_mouse_HasReleased( const vlc_mouse_t *p_old,
|
|
const vlc_mouse_t *p_new,
|
|
int i_button )
|
|
{
|
|
const int i_mask = 1 << i_button;
|
|
return (p_old->i_pressed & i_mask) && (p_new->i_pressed & i_mask) == 0;
|
|
}
|
|
#endif /* _VLC_MOUSE_H */
|
|
|