1 /*****************************************************************************
2 * vlc_mouse.h: mouse related structures and functions
3 *****************************************************************************
4 * Copyright (C) 2009 Laurent Aimar
7 * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
25 #define _VLC_MOUSE_H 1
35 MOUSE_BUTTON_WHEEL_UP,
36 MOUSE_BUTTON_WHEEL_DOWN,
48 /* Mask of pressed button */
50 /* Is double clicked */
54 static inline void vlc_mouse_Init( vlc_mouse_t *p_mouse )
58 p_mouse->i_pressed = 0;
59 p_mouse->b_double_click = false;
63 static inline void vlc_mouse_SetPressed( vlc_mouse_t *p_mouse,
66 p_mouse->i_pressed |= 1 << i_button;
68 static inline void vlc_mouse_SetReleased( vlc_mouse_t *p_mouse,
71 p_mouse->i_pressed &= ~(1 << i_button);
73 static inline void vlc_mouse_SetPosition( vlc_mouse_t *p_mouse,
81 static inline bool vlc_mouse_IsPressed( const vlc_mouse_t *p_mouse,
84 return ( p_mouse->i_pressed & (1 << i_button) ) != 0;
86 static inline bool vlc_mouse_IsLeftPressed( const vlc_mouse_t *p_mouse )
88 return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_LEFT );
90 static inline bool vlc_mouse_IsCenterPressed( const vlc_mouse_t *p_mouse )
92 return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_CENTER );
94 static inline bool vlc_mouse_IsRightPressed( const vlc_mouse_t *p_mouse )
96 return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_RIGHT );
98 static inline bool vlc_mouse_IsWheelUpPressed( const vlc_mouse_t *p_mouse )
100 return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_WHEEL_UP );
102 static inline bool vlc_mouse_IsWheelDownPressed( const vlc_mouse_t *p_mouse )
104 return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_WHEEL_DOWN );
106 static inline void vlc_mouse_GetMotion( int *pi_x, int *pi_y,
107 const vlc_mouse_t *p_old,
108 const vlc_mouse_t *p_new )
110 *pi_x = p_new->i_x - p_old->i_x;
111 *pi_y = p_new->i_y - p_old->i_y;
115 static inline bool vlc_mouse_HasChanged( const vlc_mouse_t *p_old,
116 const vlc_mouse_t *p_new )
118 return p_old->i_x != p_new->i_x || p_old->i_x != p_new->i_x ||
119 p_old->i_pressed != p_new->i_pressed;
121 static inline bool vlc_mouse_HasMoved( const vlc_mouse_t *p_old,
122 const vlc_mouse_t *p_new )
124 return p_old->i_x != p_new->i_x || p_old->i_y != p_new->i_y;
126 static inline bool vlc_mouse_HasButton( const vlc_mouse_t *p_old,
127 const vlc_mouse_t *p_new )
129 return p_old->i_pressed != p_new->i_pressed;
131 static inline bool vlc_mouse_HasPressed( const vlc_mouse_t *p_old,
132 const vlc_mouse_t *p_new,
135 const int i_mask = 1 << i_button;
136 return (p_old->i_pressed & i_mask) == 0 && (p_new->i_pressed & i_mask);
138 static inline bool vlc_mouse_HasReleased( const vlc_mouse_t *p_old,
139 const vlc_mouse_t *p_new,
142 const int i_mask = 1 << i_button;
143 return (p_old->i_pressed & i_mask) && (p_new->i_pressed & i_mask) == 0;
145 #endif /* _VLC_MOUSE_H */