Add encoder support for Dirac using the Schroedinger library.
[vlc/asuraparaju-public.git] / include / vlc_mouse.h
blobdff2129424d7f9c8f5c342f175572058d8b002f9
1 /*****************************************************************************
2 * vlc_mouse.h: mouse related structures and functions
3 *****************************************************************************
4 * Copyright (C) 2009 Laurent Aimar
5 * $Id$
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 *****************************************************************************/
24 #ifndef _VLC_MOUSE_H
25 #define _VLC_MOUSE_H 1
27 /**
28 * Mouse button
30 enum
32 MOUSE_BUTTON_LEFT,
33 MOUSE_BUTTON_CENTER,
34 MOUSE_BUTTON_RIGHT,
35 MOUSE_BUTTON_WHEEL_UP,
36 MOUSE_BUTTON_WHEEL_DOWN,
39 /**
40 * Mouse state
42 typedef struct
44 /* Coordinate */
45 int i_x;
46 int i_y;
47 /* Mask of pressed button */
48 int i_pressed;
49 /* Is double clicked */
50 bool b_double_click;
51 } vlc_mouse_t;
53 static inline void vlc_mouse_Init( vlc_mouse_t *p_mouse )
55 p_mouse->i_x = 0;
56 p_mouse->i_y = 0;
57 p_mouse->i_pressed = 0;
58 p_mouse->b_double_click = false;
61 /* */
62 static inline void vlc_mouse_SetPressed( vlc_mouse_t *p_mouse,
63 int i_button )
65 p_mouse->i_pressed |= 1 << i_button;
67 static inline void vlc_mouse_SetReleased( vlc_mouse_t *p_mouse,
68 int i_button )
70 p_mouse->i_pressed &= ~(1 << i_button);
72 static inline void vlc_mouse_SetPosition( vlc_mouse_t *p_mouse,
73 int i_x, int i_y )
75 p_mouse->i_x = i_x;
76 p_mouse->i_y = i_y;
79 /* */
80 static inline bool vlc_mouse_IsPressed( const vlc_mouse_t *p_mouse,
81 int i_button )
83 return ( p_mouse->i_pressed & (1 << i_button) ) != 0;
85 static inline bool vlc_mouse_IsLeftPressed( const vlc_mouse_t *p_mouse )
87 return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_LEFT );
89 static inline bool vlc_mouse_IsCenterPressed( const vlc_mouse_t *p_mouse )
91 return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_CENTER );
93 static inline bool vlc_mouse_IsRightPressed( const vlc_mouse_t *p_mouse )
95 return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_RIGHT );
97 static inline bool vlc_mouse_IsWheelUpPressed( const vlc_mouse_t *p_mouse )
99 return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_WHEEL_UP );
101 static inline bool vlc_mouse_IsWheelDownPressed( const vlc_mouse_t *p_mouse )
103 return vlc_mouse_IsPressed( p_mouse, MOUSE_BUTTON_WHEEL_DOWN );
105 static inline void vlc_mouse_GetMotion( int *pi_x, int *pi_y,
106 const vlc_mouse_t *p_old,
107 const vlc_mouse_t *p_new )
109 *pi_x = p_new->i_x - p_old->i_x;
110 *pi_y = p_new->i_y - p_old->i_y;
113 /* */
114 static inline bool vlc_mouse_HasChanged( const vlc_mouse_t *p_old,
115 const vlc_mouse_t *p_new )
117 return p_old->i_x != p_new->i_x || p_old->i_x != p_new->i_x ||
118 p_old->i_pressed != p_new->i_pressed;
120 static inline bool vlc_mouse_HasMoved( const vlc_mouse_t *p_old,
121 const vlc_mouse_t *p_new )
123 return p_old->i_x != p_new->i_x || p_old->i_y != p_new->i_y;
125 static inline bool vlc_mouse_HasButton( const vlc_mouse_t *p_old,
126 const vlc_mouse_t *p_new )
128 return p_old->i_pressed != p_new->i_pressed;
130 static inline bool vlc_mouse_HasPressed( const vlc_mouse_t *p_old,
131 const vlc_mouse_t *p_new,
132 int i_button )
134 const int i_mask = 1 << i_button;
135 return (p_old->i_pressed & i_mask) == 0 && (p_new->i_pressed & i_mask);
137 static inline bool vlc_mouse_HasReleased( const vlc_mouse_t *p_old,
138 const vlc_mouse_t *p_new,
139 int i_button )
141 const int i_mask = 1 << i_button;
142 return (p_old->i_pressed & i_mask) && (p_new->i_pressed & i_mask) == 0;
144 #endif /* _VLC_MOUSE_H */