--- /dev/null
+/*****************************************************************************
+ * geatures.c: control vlc with mouse gestures
+ *****************************************************************************
+ * Copyright (C) 2002 VideoLAN
+ * $Id: gestures.c,v 1.1 2003/02/09 23:42:06 sigmunau Exp $
+ *
+ * Authors: Sigmund Augdal <sigmunau@idi.ntnu.no>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h> /* malloc(), free() */
+#include <string.h>
+#include <unistd.h>
+
+#include <vlc/vlc.h>
+#include <vlc/intf.h>
+#include <vlc/vout.h>
+
+#include "stream_control.h"
+#include "input_ext-intf.h"
+
+/*****************************************************************************
+ * intf_sys_t: description and status of interface
+ *****************************************************************************/
+struct intf_sys_t
+{
+ vlc_object_t * p_vout;
+ input_thread_t * p_input;
+ vlc_bool_t b_got_gesture;
+ vlc_bool_t b_button_pressed;
+ int i_mouse_x, i_mouse_y;
+ int i_last_x, i_last_y;
+ unsigned int i_pattern;
+ int i_num_gestures;
+ int i_threshold;
+ int i_button_mask;
+};
+
+/*****************************************************************************
+ * Local prototypes.
+ *****************************************************************************/
+#define UP 1
+#define DOWN 2
+#define LEFT 3
+#define RIGHT 4
+#define NONE 0
+#define GESTURE( a, b, c, d ) (a | ( b << 4 ) | ( c << 8 ) | ( d << 12 ))
+
+int E_(Open) ( vlc_object_t * );
+void E_(Close) ( vlc_object_t * );
+static int InitThread ( intf_thread_t *p_intf );
+static int MouseEvent ( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
+
+/* Exported functions */
+static void RunIntf ( intf_thread_t *p_intf );
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define THRESHOLD_TEXT N_( "Motion threshold" )
+#define THRESHOLD_LONGTEXT N_( \
+ "the amount of movement required for a mouse" \
+ " gesture to be recorded" )
+
+#define BUTTON_TEXT N_( "Mouse button" )
+#define BUTTON_LONGTEXT N_( \
+ "the mouse button to be held down during mouse gestures" )
+
+static char *button_list[] = { "left", "middle", "right", NULL };
+
+vlc_module_begin();
+ add_category_hint( N_( "Gestures" ), NULL );
+ add_integer( "gestures-threshold", 30, NULL, THRESHOLD_TEXT, THRESHOLD_LONGTEXT );
+ add_string_from_list( "gestures-button", "right", button_list, NULL,
+ BUTTON_TEXT, BUTTON_LONGTEXT );
+ set_description( _("mouse gestures control module") );
+
+ set_capability( "interface", 0 );
+ set_callbacks( E_(Open), E_(Close) );
+vlc_module_end();
+
+/*****************************************************************************
+ * OpenIntf: initialize interface
+ *****************************************************************************/
+int E_(Open) ( vlc_object_t *p_this )
+{
+ intf_thread_t *p_intf = (intf_thread_t *)p_this;
+
+ /* Allocate instance and initialize some members */
+ p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
+ if( p_intf->p_sys == NULL )
+ {
+ return( 1 );
+ };
+
+ p_intf->pf_run = RunIntf;
+
+ return( 0 );
+}
+
+/*****************************************************************************
+ * gesture: return a subpattern within a pattern
+ *****************************************************************************/
+static int gesture( int i_pattern, int i_num )
+{
+ return ( i_pattern >> ( i_num * 4 ) ) & 0xF;
+}
+
+/*****************************************************************************
+ * CloseIntf: destroy dummy interface
+ *****************************************************************************/
+void E_(Close) ( vlc_object_t *p_this )
+{
+ intf_thread_t *p_intf = (intf_thread_t *)p_this;
+
+ /* Destroy structure */
+ free( p_intf->p_sys );
+}
+
+
+/*****************************************************************************
+ * RunIntf: main loop
+ *****************************************************************************/
+static void RunIntf( intf_thread_t *p_intf )
+{
+ playlist_t * p_playlist = NULL;
+ p_intf->p_sys->p_vout = NULL;
+
+ if( InitThread( p_intf ) < 0 )
+ {
+ msg_Err( p_intf, "can't initialize intf" );
+ return;
+ }
+ msg_Dbg( p_intf, "intf initialized" );
+
+ /* Main loop */
+ while( !p_intf->b_die )
+ {
+ vlc_mutex_lock( &p_intf->change_lock );
+
+ /*
+ * mouse cursor
+ */
+ if( p_intf->p_sys->b_got_gesture )
+ {
+ /* Do something */
+ switch( p_intf->p_sys->i_pattern )
+ {
+ case LEFT:
+ p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
+ FIND_ANYWHERE );
+ if( p_playlist == NULL )
+ {
+ break;
+ }
+
+ playlist_Prev( p_playlist );
+ vlc_object_release( p_playlist );
+ break;
+ case RIGHT:
+ p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
+ FIND_ANYWHERE );
+ if( p_playlist == NULL )
+ {
+ break;
+ }
+
+ playlist_Next( p_playlist );
+ vlc_object_release( p_playlist );
+ break;
+
+ case DOWN:
+ if (p_intf->p_sys->p_vout
+ && ((vout_thread_t *)p_intf->p_sys->p_vout)->b_fullscreen )
+ {
+ ((vout_thread_t *)p_intf->p_sys->p_vout)->i_changes |= VOUT_FULLSCREEN_CHANGE;
+ }
+ break;
+ case GESTURE(DOWN,LEFT,UP,RIGHT):
+ msg_Dbg(p_intf, "A square!" );
+ break;
+ default:
+ break;
+ }
+ p_intf->p_sys->i_num_gestures = 0;
+ p_intf->p_sys->i_pattern = 0;
+ p_intf->p_sys->b_got_gesture = VLC_FALSE;
+ }
+
+
+ vlc_mutex_unlock( &p_intf->change_lock );
+
+ /*
+ * video output
+ */
+ if( p_intf->p_sys->p_vout && p_intf->p_sys->p_vout->b_die )
+ {
+ var_DelCallback( p_intf->p_sys->p_vout, "mouse-moved",
+ MouseEvent, p_intf );
+ var_DelCallback( p_intf->p_sys->p_vout, "mouse-button-down",
+ MouseEvent, p_intf );
+ vlc_object_release( p_intf->p_sys->p_vout );
+ p_intf->p_sys->p_vout = NULL;
+ }
+
+ if( p_intf->p_sys->p_vout == NULL )
+ {
+ p_intf->p_sys->p_vout = vlc_object_find( p_intf,
+ VLC_OBJECT_VOUT, FIND_ANYWHERE );
+ if( p_intf->p_sys->p_vout )
+ {
+ var_AddCallback( p_intf->p_sys->p_vout, "mouse-moved",
+ MouseEvent, p_intf );
+ var_AddCallback( p_intf->p_sys->p_vout, "mouse-button-down",
+ MouseEvent, p_intf );
+ }
+ }
+
+ /* Wait a bit */
+ msleep( INTF_IDLE_SLEEP );
+ }
+
+ if( p_intf->p_sys->p_vout )
+ {
+ var_DelCallback( p_intf->p_sys->p_vout, "mouse-moved",
+ MouseEvent, p_intf );
+ var_DelCallback( p_intf->p_sys->p_vout, "mouse-button-down",
+ MouseEvent, p_intf );
+ vlc_object_release( p_intf->p_sys->p_vout );
+ }
+}
+
+/*****************************************************************************
+ * InitThread:
+ *****************************************************************************/
+static int InitThread( intf_thread_t * p_intf )
+{
+ char *psz_button;
+ /* we might need some locking here */
+ if( !p_intf->b_die )
+ {
+ input_thread_t * p_input;
+
+ p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT, FIND_PARENT );
+
+ vlc_mutex_lock( &p_intf->change_lock );
+
+ p_intf->p_sys->p_input = p_input;
+ p_intf->p_sys->b_got_gesture = VLC_FALSE;
+ p_intf->p_sys->b_button_pressed = VLC_FALSE;
+ p_intf->p_sys->i_threshold = config_GetInt( p_intf, "gestures-threshold" );
+ psz_button = config_GetPsz( p_intf, "gestures-button" );
+ if ( !strcmp( psz_button, "left" ) )
+ {
+ p_intf->p_sys->i_button_mask = 1;
+ }
+ else if ( !strcmp( psz_button, "middle" ) )
+ {
+ p_intf->p_sys->i_button_mask = 2;
+ }
+ else if ( !strcmp( psz_button, "right" ) )
+ {
+ p_intf->p_sys->i_button_mask = 4;
+ }
+
+ p_intf->p_sys->i_pattern = 0;
+ p_intf->p_sys->i_num_gestures = 0;
+ vlc_mutex_unlock( &p_intf->change_lock );
+
+ return 0;
+ }
+ else
+ {
+ return -1;
+ }
+}
+
+/*****************************************************************************
+ * MouseEvent: callback for mouse events
+ *****************************************************************************/
+static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ vlc_value_t val;
+ int pattern = 0;
+
+ signed int i_horizontal, i_vertical;
+ intf_thread_t *p_intf = (intf_thread_t *)p_data;
+
+ /* don't process new gestures before the last events are processed */
+ if( p_intf->p_sys->b_got_gesture ) {
+ return VLC_SUCCESS;
+ }
+
+ vlc_mutex_lock( &p_intf->change_lock );
+ if( !strcmp(psz_var, "mouse-moved" ) && p_intf->p_sys->b_button_pressed ) {
+ var_Get( p_intf->p_sys->p_vout, "mouse-x", &val );
+ p_intf->p_sys->i_mouse_x = val.i_int;
+ var_Get( p_intf->p_sys->p_vout, "mouse-y", &val );
+ p_intf->p_sys->i_mouse_y = val.i_int;
+ i_horizontal = p_intf->p_sys->i_mouse_x -
+ p_intf->p_sys->i_last_x;
+ i_horizontal = i_horizontal / p_intf->p_sys->i_threshold;
+ i_vertical = p_intf->p_sys->i_mouse_y
+ - p_intf->p_sys->i_last_y;
+ i_vertical = i_vertical / p_intf->p_sys->i_threshold;
+
+ if ( i_horizontal < 0 )
+ {
+ msg_Dbg( p_intf, "left gesture(%d)", i_horizontal );
+ pattern = LEFT;
+ }
+ else if ( i_horizontal > 0 )
+ {
+ msg_Dbg( p_intf, "right gesture(%d)", i_horizontal );
+ pattern = RIGHT;
+ }
+ if ( i_vertical < 0 )
+ {
+ msg_Dbg( p_intf, "up gesture(%d)", i_vertical );
+ pattern = UP;
+ }
+ else if ( i_vertical > 0 )
+ {
+ msg_Dbg( p_intf, "down gesture(%d)", i_vertical );
+ pattern = DOWN;
+ }
+ if (pattern )
+ {
+ p_intf->p_sys->i_last_y = p_intf->p_sys->i_mouse_y;
+ p_intf->p_sys->i_last_x = p_intf->p_sys->i_mouse_x;
+ if( gesture(p_intf->p_sys->i_pattern, p_intf->p_sys->i_num_gestures - 1 ) != pattern )
+ {
+ p_intf->p_sys->i_pattern |= pattern << ( p_intf->p_sys->i_num_gestures * 4 );
+ p_intf->p_sys->i_num_gestures++;
+ }
+ }
+
+ }
+ if( !strcmp( psz_var, "mouse-button-down" ) && newval.i_int & p_intf->p_sys->i_button_mask
+ && !p_intf->p_sys->b_button_pressed )
+ {
+ p_intf->p_sys->b_button_pressed = VLC_TRUE;
+ var_Get( p_intf->p_sys->p_vout, "mouse-x", &val );
+ p_intf->p_sys->i_last_x = val.i_int;
+ var_Get( p_intf->p_sys->p_vout, "mouse-y", &val );
+ p_intf->p_sys->i_last_y = val.i_int;
+ }
+ if( !strcmp( psz_var, "mouse-button-down" ) && !( newval.i_int & p_intf->p_sys->i_button_mask )
+ && p_intf->p_sys->b_button_pressed )
+ {
+ p_intf->p_sys->b_button_pressed = VLC_FALSE;
+ p_intf->p_sys->b_got_gesture = VLC_TRUE;
+ }
+
+ vlc_mutex_unlock( &p_intf->change_lock );
+
+ return VLC_SUCCESS;
+}
* xcommon.c: Functions common to the X11 and XVideo plugins
*****************************************************************************
* Copyright (C) 1998-2001 VideoLAN
- * $Id: xcommon.c,v 1.13 2003/02/01 18:54:10 sam Exp $
+ * $Id: xcommon.c,v 1.14 2003/02/09 23:42:06 sigmunau Exp $
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
switch( ((XButtonEvent *)&xevent)->button )
{
case Button1:
-
+ var_Get( p_vout, "mouse-button-down", &val );
+ val.i_int |= 1;
+ var_Set( p_vout, "mouse-button-down", val );
+
/* detect double-clicks */
if( ( ((XButtonEvent *)&xevent)->time -
p_vout->p_sys->i_time_button_last_pressed ) < 300 )
p_vout->p_sys->i_time_button_last_pressed =
((XButtonEvent *)&xevent)->time;
break;
-
+ case Button2:
+ var_Get( p_vout, "mouse-button-down", &val );
+ val.i_int |= 2;
+ var_Set( p_vout, "mouse-button-down", val );
+ break;
+
+ case Button3:
+ var_Get( p_vout, "mouse-button-down", &val );
+ val.i_int |= 4;
+ var_Set( p_vout, "mouse-button-down", val );
+ break;
+
case Button4:
+ var_Get( p_vout, "mouse-button-down", &val );
+ val.i_int |= 8;
+ var_Set( p_vout, "mouse-button-down", val );
input_Seek( p_vout, 15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
break;
case Button5:
+ var_Get( p_vout, "mouse-button-down", &val );
+ val.i_int |= 16;
+ var_Set( p_vout, "mouse-button-down", val );
input_Seek( p_vout, -15, INPUT_SEEK_SECONDS | INPUT_SEEK_CUR );
break;
}
switch( ((XButtonEvent *)&xevent)->button )
{
case Button1:
+ var_Get( p_vout, "mouse-button-down", &val );
+ val.i_int &= ~1;
+ var_Set( p_vout, "mouse-button-down", val );
+
val.b_bool = VLC_TRUE;
var_Set( p_vout, "mouse-clicked", val );
break;
-
+
+ case Button2:
+ var_Get( p_vout, "mouse-button-down", &val );
+ val.i_int &= ~2;
+ var_Set( p_vout, "mouse-button-down", val );
+ break;
+
case Button3:
{
intf_thread_t *p_intf;
+ var_Get( p_vout, "mouse-button-down", &val );
+ val.i_int &= ~4;
+ var_Set( p_vout, "mouse-button-down", val );
p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
FIND_ANYWHERE );
if( p_intf )
}
}
break;
+
+ case Button4:
+ var_Get( p_vout, "mouse-button-down", &val );
+ val.i_int &= ~8;
+ var_Set( p_vout, "mouse-button-down", val );
+ break;
+
+ case Button5:
+ var_Get( p_vout, "mouse-button-down", &val );
+ val.i_int &= ~16;
+ var_Set( p_vout, "mouse-button-down", val );
+ break;
+
}
}
/* Mouse move */
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