1 /*****************************************************************************
2 * showintf.c: control the display of the interface in fullscreen mode
3 *****************************************************************************
4 * Copyright (C) 2004 VideoLAN
7 * Authors: Olivier Teuliere <ipkiss@via.ecp.fr>
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
27 #include <stdlib.h> /* malloc(), free() */
38 /*****************************************************************************
39 * intf_sys_t: description and status of interface
40 *****************************************************************************/
43 vlc_object_t * p_vout;
44 vlc_bool_t b_button_pressed;
45 vlc_bool_t b_triggered;
49 /*****************************************************************************
51 *****************************************************************************/
52 int E_(Open) ( vlc_object_t * );
53 void E_(Close)( vlc_object_t * );
54 static void RunIntf( intf_thread_t *p_intf );
55 static int InitThread( intf_thread_t *p_intf );
56 static int MouseEvent( vlc_object_t *, char const *,
57 vlc_value_t, vlc_value_t, void * );
59 /*****************************************************************************
61 *****************************************************************************/
62 #define THRESHOLD_TEXT N_( "Threshold" )
63 #define THRESHOLD_LONGTEXT N_( "Height of the zone triggering the interface" )
66 set_shortname( "Showintf" );
67 set_category( CAT_INTERFACE );
68 set_subcategory( SUBCAT_INTERFACE_CONTROL );
69 add_integer( "showintf-threshold", 10, NULL, THRESHOLD_TEXT, THRESHOLD_LONGTEXT, VLC_TRUE );
70 set_description( _("Interface showing control interface") );
72 set_capability( "interface", 0 );
73 set_callbacks( E_(Open), E_(Close) );
76 /*****************************************************************************
77 * Open: initialize interface
78 *****************************************************************************/
79 int E_(Open)( vlc_object_t *p_this )
81 intf_thread_t *p_intf = (intf_thread_t *)p_this;
83 /* Allocate instance and initialize some members */
84 p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
85 if( p_intf->p_sys == NULL )
90 p_intf->pf_run = RunIntf;
95 /*****************************************************************************
96 * Close: destroy interface
97 *****************************************************************************/
98 void E_(Close)( vlc_object_t *p_this )
100 intf_thread_t *p_intf = (intf_thread_t *)p_this;
102 /* Destroy structure */
103 free( p_intf->p_sys );
107 /*****************************************************************************
109 *****************************************************************************/
110 static void RunIntf( intf_thread_t *p_intf )
112 p_intf->p_sys->p_vout = NULL;
114 if( InitThread( p_intf ) < 0 )
116 msg_Err( p_intf, "cannot initialize intf" );
121 while( !p_intf->b_die )
123 vlc_mutex_lock( &p_intf->change_lock );
125 /* Notify the interfaces */
126 if( p_intf->p_sys->b_triggered )
128 playlist_t *p_playlist =
129 (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
132 if( p_playlist != NULL )
135 val.b_bool = VLC_TRUE;
136 var_Set( p_playlist, "intf-show", val );
137 vlc_object_release( p_playlist );
139 p_intf->p_sys->b_triggered = VLC_FALSE;
142 vlc_mutex_unlock( &p_intf->change_lock );
145 /* Take care of the video output */
146 if( p_intf->p_sys->p_vout && p_intf->p_sys->p_vout->b_die )
148 var_DelCallback( p_intf->p_sys->p_vout, "mouse-moved",
149 MouseEvent, p_intf );
150 var_DelCallback( p_intf->p_sys->p_vout, "mouse-button-down",
151 MouseEvent, p_intf );
152 vlc_object_release( p_intf->p_sys->p_vout );
153 p_intf->p_sys->p_vout = NULL;
156 if( p_intf->p_sys->p_vout == NULL )
158 p_intf->p_sys->p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
160 if( p_intf->p_sys->p_vout )
162 var_AddCallback( p_intf->p_sys->p_vout, "mouse-moved",
163 MouseEvent, p_intf );
164 var_AddCallback( p_intf->p_sys->p_vout, "mouse-button-down",
165 MouseEvent, p_intf );
170 msleep( INTF_IDLE_SLEEP );
173 if( p_intf->p_sys->p_vout )
175 var_DelCallback( p_intf->p_sys->p_vout, "mouse-moved",
176 MouseEvent, p_intf );
177 var_DelCallback( p_intf->p_sys->p_vout, "mouse-button-down",
178 MouseEvent, p_intf );
179 vlc_object_release( p_intf->p_sys->p_vout );
183 /*****************************************************************************
185 *****************************************************************************/
186 static int InitThread( intf_thread_t * p_intf )
190 vlc_mutex_lock( &p_intf->change_lock );
192 p_intf->p_sys->b_triggered = VLC_FALSE;
193 p_intf->p_sys->b_button_pressed = VLC_FALSE;
194 p_intf->p_sys->i_threshold =
195 config_GetInt( p_intf, "showintf-threshold" );
197 vlc_mutex_unlock( &p_intf->change_lock );
207 /*****************************************************************************
208 * MouseEvent: callback for mouse events
209 *****************************************************************************/
210 static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
211 vlc_value_t oldval, vlc_value_t newval, void *p_data )
215 int i_mouse_x, i_mouse_y;
216 intf_thread_t *p_intf = (intf_thread_t *)p_data;
218 /* Do nothing when the interface is already requested */
219 if( p_intf->p_sys->b_triggered )
222 /* Nothing to do when not in fullscreen mode */
223 var_Get( p_intf->p_sys->p_vout, "fullscreen", &val );
227 vlc_mutex_lock( &p_intf->change_lock );
228 if( !strcmp( psz_var, "mouse-moved" ) && !p_intf->p_sys->b_button_pressed )
230 var_Get( p_intf->p_sys->p_vout, "mouse-x", &val );
231 i_mouse_x = val.i_int;
232 var_Get( p_intf->p_sys->p_vout, "mouse-y", &val );
233 i_mouse_y = val.i_int;
235 /* Very basic test, we even ignore the x value :) */
236 if ( i_mouse_y < p_intf->p_sys->i_threshold )
238 msg_Dbg( p_intf, "interface showing requested" );
239 p_intf->p_sys->b_triggered = VLC_TRUE;
243 /* We keep track of the button state to avoid interferences with the
245 if( !p_intf->p_sys->b_button_pressed &&
246 !strcmp( psz_var, "mouse-button-down" ) )
248 p_intf->p_sys->b_button_pressed = VLC_TRUE;
250 if( p_intf->p_sys->b_button_pressed &&
251 !strcmp( psz_var, "mouse-button-down" ) )
253 p_intf->p_sys->b_button_pressed = VLC_FALSE;
256 vlc_mutex_unlock( &p_intf->change_lock );