* modules/gui/gtk/gnome.c, modules/gui/gtk/gtk.c: input_Seek() was incorrectly trigge...
[vlc.git] / modules / gui / gtk / gtk.c
1 /*****************************************************************************
2  * gtk.c : Gtk+ plugin for vlc
3  *****************************************************************************
4  * Copyright (C) 2000-2001 VideoLAN
5  * $Id: gtk.c,v 1.13 2003/01/26 22:57:21 gbazin Exp $
6  *
7  * Authors: Samuel Hocevar <sam@zoy.org>
8  *
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.
13  *
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.
18  *
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  *****************************************************************************/
23
24 /*****************************************************************************
25  * Preamble
26  *****************************************************************************/
27 #include <stdlib.h>                                      /* malloc(), free() */
28 #include <errno.h>                                                 /* ENOMEM */
29 #include <string.h>                                            /* strerror() */
30 #include <stdio.h>
31
32 #include <vlc/vlc.h>
33 #include <vlc/intf.h>
34
35 #include <gtk/gtk.h>
36
37 #include "gtk_callbacks.h"
38 #include "gtk_interface.h"
39 #include "gtk_support.h"
40
41 #include "menu.h"
42 #include "display.h"
43 #include "common.h"
44
45 /*****************************************************************************
46  * Local prototypes.
47  *****************************************************************************/
48 static int  Open         ( vlc_object_t * );
49 static void Close        ( vlc_object_t * );
50
51 static void Run          ( intf_thread_t * );
52 static int  Manage       ( intf_thread_t * );
53
54 /*****************************************************************************
55  * Module descriptor
56  *****************************************************************************/
57 #define TOOLTIPS_TEXT N_("show tooltips")
58 #define TOOLTIPS_LONGTEXT N_("Show tooltips for configuration options.")
59
60 #define PREFS_MAXH_TEXT N_("maximum height for the configuration windows")
61 #define PREFS_MAXH_LONGTEXT N_( \
62     "You can set the maximum height that the configuration windows in the " \
63     "preferences menu will occupy.")
64
65 vlc_module_begin();
66 #ifdef WIN32
67     int i = 90;
68 #else
69     int i = getenv( "DISPLAY" ) == NULL ? 10 : 90;
70 #endif
71     add_category_hint( N_("Gtk+"), NULL );
72     add_bool( "gtk-tooltips", 1, E_(GtkHideTooltips),
73               TOOLTIPS_TEXT, TOOLTIPS_LONGTEXT );
74     add_integer( "gtk-prefs-maxh", 480, NULL,
75                  PREFS_MAXH_TEXT, PREFS_MAXH_LONGTEXT );
76
77     set_description( _("Gtk+ interface module") );
78     set_capability( "interface", i );
79     set_callbacks( Open, Close );
80     add_shortcut( "gtk" );
81     set_program( "gvlc" );
82 vlc_module_end();
83
84 /*****************************************************************************
85  * Open: initialize and create window
86  *****************************************************************************/
87 static int Open( vlc_object_t *p_this )
88 {
89     intf_thread_t *p_intf = (intf_thread_t *)p_this;
90
91     /* Allocate instance and initialize some members */
92     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
93     if( p_intf->p_sys == NULL )
94     {
95         msg_Err( p_intf, "out of memory" );
96         return VLC_ENOMEM;
97     }
98
99 #ifdef NEED_GTK_MAIN
100     p_intf->p_sys->p_gtk_main = module_Need( p_this, "gtk_main", "gtk" );
101     if( p_intf->p_sys->p_gtk_main == NULL )
102     {
103         free( p_intf->p_sys );
104         return VLC_ENOMOD;
105     }
106 #endif
107
108     p_intf->pf_run = Run;
109
110     p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
111
112     /* Initialize Gtk+ thread */
113     p_intf->p_sys->b_playing = 0;
114     p_intf->p_sys->b_deinterlace_update = 0;
115
116     p_intf->p_sys->b_aout_update = 0;
117     p_intf->p_sys->b_vout_update = 0;
118
119     p_intf->p_sys->b_popup_changed = 0;
120     p_intf->p_sys->b_window_changed = 0;
121     p_intf->p_sys->b_playlist_changed = 0;
122     p_intf->p_sys->b_program_update = 0;
123     p_intf->p_sys->b_title_update = 0;
124     p_intf->p_sys->b_chapter_update = 0;
125     p_intf->p_sys->b_spu_update = 0;
126     p_intf->p_sys->b_audio_update = 0;
127
128     p_intf->p_sys->p_input = NULL;
129     p_intf->p_sys->i_playing = -1;
130     p_intf->p_sys->b_slider_free = 1;
131
132     p_intf->p_sys->i_part = 0;
133
134     p_intf->p_sys->b_mute = 0;
135     return VLC_SUCCESS;
136 }
137
138 /*****************************************************************************
139  * Close: destroy interface window
140  *****************************************************************************/
141 static void Close( vlc_object_t *p_this )
142 {
143     intf_thread_t *p_intf = (intf_thread_t *)p_this;
144
145     if( p_intf->p_sys->p_input )
146     {
147         vlc_object_release( p_intf->p_sys->p_input );
148     }
149
150     msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
151
152 #ifdef NEED_GTK_MAIN
153     module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
154 #endif
155
156     /* Destroy structure */
157     free( p_intf->p_sys );
158 }
159
160 /*****************************************************************************
161  * Run: Gtk+ thread
162  *****************************************************************************
163  * this part of the interface is in a separate thread so that we can call
164  * gtk_main() from within it without annoying the rest of the program.
165  *****************************************************************************/
166 static void Run( intf_thread_t *p_intf )
167 {
168     /* The data types we are allowed to receive */
169     static GtkTargetEntry target_table[] =
170     {
171         { "STRING", 0, DROP_ACCEPT_STRING },
172         { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
173         { "text/plain", 0, DROP_ACCEPT_TEXT_PLAIN }
174     };
175     char *psz_sout;
176     GString *       p_target;
177
178 #ifdef NEED_GTK_MAIN
179     gdk_threads_enter();
180 #else
181     /* gtk_init needs to know the command line. We don't care, so we
182      * give it an empty one */
183     char  *p_args[] = { "" };
184     char **pp_args  = p_args;
185     int    i_args   = 1;
186     int    i_dummy;
187
188     gtk_init( &i_args, &pp_args );
189 #endif
190
191     /* Create some useful widgets that will certainly be used */
192     p_intf->p_sys->p_window = create_intf_window();
193     p_intf->p_sys->p_popup = create_intf_popup();
194     p_intf->p_sys->p_playwin = create_intf_playlist();
195     p_intf->p_sys->p_messages = create_intf_messages();
196     p_intf->p_sys->p_tooltips = gtk_tooltips_new();
197     p_intf->p_sys->p_sout = create_intf_sout();
198
199     /* Set the title of the main window */
200     gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
201                           VOUT_TITLE " (Gtk+ interface)");
202
203     /* Accept file drops on the main window */
204     gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
205                        GTK_DEST_DEFAULT_ALL, target_table,
206                        DROP_ACCEPT_END, GDK_ACTION_COPY );
207
208     /* Accept file drops on the playlist window */
209     gtk_drag_dest_set( GTK_WIDGET( lookup_widget( p_intf->p_sys->p_playwin,
210                                    "playlist_clist") ),
211                        GTK_DEST_DEFAULT_ALL, target_table,
212                        DROP_ACCEPT_END, GDK_ACTION_COPY );
213
214     /* Get the slider object */
215     p_intf->p_sys->p_slider_frame = GTK_FRAME( gtk_object_get_data(
216         GTK_OBJECT( p_intf->p_sys->p_window ), "slider_frame" ) );
217
218     /* Configure the log window */
219     p_intf->p_sys->p_messages_text = GTK_TEXT( gtk_object_get_data(
220         GTK_OBJECT(p_intf->p_sys->p_messages ), "messages_textbox" ) );
221     gtk_text_set_line_wrap( p_intf->p_sys->p_messages_text, TRUE);
222     gtk_text_set_word_wrap( p_intf->p_sys->p_messages_text, FALSE);
223
224     /* Get the interface labels */
225 #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
226                          GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
227     p_intf->p_sys->p_label_title = P_LABEL( "title_label" );
228     p_intf->p_sys->p_label_chapter = P_LABEL( "chapter_label" );
229 #undef P_LABEL
230
231     /* Connect the date display to the slider */
232 #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
233                          GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
234     p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
235
236     gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
237                          GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
238     p_intf->p_sys->f_adj_oldvalue = 0;
239 #undef P_SLIDER
240
241
242
243     /* We don't create these ones yet because we perhaps won't need them */
244     p_intf->p_sys->p_about = NULL;
245     p_intf->p_sys->p_modules = NULL;
246     p_intf->p_sys->p_open = NULL;
247     p_intf->p_sys->p_jump = NULL;
248
249     /* Hide tooltips if the option is set */
250     if( !config_GetInt( p_intf, "gtk-tooltips" ) )
251     {
252         gtk_tooltips_disable( p_intf->p_sys->p_tooltips );
253     }
254
255     /* Store p_intf to keep an eye on it */
256     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
257                          "p_intf", p_intf );
258
259     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
260                          "p_intf", p_intf );
261
262     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_playwin ),
263                          "p_intf", p_intf );
264
265     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_messages ),
266                          "p_intf", p_intf );
267
268     gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
269                          "p_intf", p_intf );
270     gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
271                          "p_intf", p_intf );
272
273     psz_sout = config_GetPsz( p_intf, "sout" );
274     p_target = g_string_new( psz_sout ? psz_sout : "" );
275     if( psz_sout ) free( psz_sout );
276
277     gtk_entry_set_text( gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ), "sout_entry_target" ), p_target->str );
278     g_string_free( p_target, TRUE );
279
280     /* FIXME it's to be sure that only file entry is selected */
281     gtk_toggle_button_set_active(  gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
282                                    "sout_access_udp" ), TRUE );
283
284     gtk_toggle_button_set_active(  gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
285                                    "sout_access_file" ), TRUE );
286
287     /* Show the control window */
288     gtk_widget_show( p_intf->p_sys->p_window );
289
290 #ifdef NEED_GTK_MAIN
291     while( !p_intf->b_die )
292     {
293         Manage( p_intf );
294
295         /* Sleep to avoid using all CPU - since some interfaces need to
296          * access keyboard events, a 100ms delay is a good compromise */
297         gdk_threads_leave();
298         msleep( INTF_IDLE_SLEEP );
299         gdk_threads_enter();
300     }
301 #else
302     /* Sleep to avoid using all CPU - since some interfaces needs to access
303      * keyboard events, a 100ms delay is a good compromise */
304     i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage,
305                                p_intf );
306     /* Enter Gtk mode */
307     gtk_main();
308     /* Remove the timeout */
309     gtk_timeout_remove( i_dummy );
310 #endif
311
312     /* Destroy the Tooltips structure */
313     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_tooltips) );
314     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_messages) );
315     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_playwin) );
316     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_popup) );
317     gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
318
319 #ifdef NEED_GTK_MAIN
320     gdk_threads_leave();
321 #endif
322 }
323
324 /* following functions are local */
325
326 /*****************************************************************************
327  * Manage: manage main thread messages
328  *****************************************************************************
329  * In this function, called approx. 10 times a second, we check what the
330  * main program wanted to tell us.
331  *****************************************************************************/
332 static int Manage( intf_thread_t *p_intf )
333 {
334     int i_start, i_stop;
335
336     vlc_mutex_lock( &p_intf->change_lock );
337
338     /* If the "display popup" flag has changed */
339     if( p_intf->b_menu_change )
340     {
341         if( !GTK_IS_WIDGET( p_intf->p_sys->p_popup ) )
342         {
343             p_intf->p_sys->p_popup = create_intf_popup();
344             gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_popup ),
345                                  "p_intf", p_intf );
346         }
347         gtk_menu_popup( GTK_MENU( p_intf->p_sys->p_popup ),
348                         NULL, NULL, NULL, NULL, 0, GDK_CURRENT_TIME );
349         p_intf->b_menu_change = 0;
350     }
351
352     /* Update the log window */
353     vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
354     i_stop = *p_intf->p_sys->p_sub->pi_stop;
355     vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
356
357     if( p_intf->p_sys->p_sub->i_start != i_stop )
358     {
359         static GdkColor white  = { 0, 0xffff, 0xffff, 0xffff };
360         static GdkColor gray   = { 0, 0xaaaa, 0xaaaa, 0xaaaa };
361         static GdkColor yellow = { 0, 0xffff, 0xffff, 0x6666 };
362         static GdkColor red    = { 0, 0xffff, 0x6666, 0x6666 };
363
364         static const char * ppsz_type[4] = { ": ", " error: ", " warning: ",
365                                              " debug: " };
366         static GdkColor *   pp_color[4] = { &white, &red, &yellow, &gray };
367
368         for( i_start = p_intf->p_sys->p_sub->i_start;
369              i_start != i_stop;
370              i_start = (i_start+1) % VLC_MSG_QSIZE )
371         {
372             /* Append all messages to log window */
373             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
374              NULL, p_intf->p_sys->p_sub->p_msg[i_start].psz_module, -1 );
375
376             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
377                 NULL, ppsz_type[p_intf->p_sys->p_sub->p_msg[i_start].i_type],
378                 -1 );
379
380             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL,
381                 pp_color[p_intf->p_sys->p_sub->p_msg[i_start].i_type], NULL,
382                 p_intf->p_sys->p_sub->p_msg[i_start].psz_msg, -1 );
383
384             gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
385                 NULL, "\n", -1 );
386         }
387
388         vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
389         p_intf->p_sys->p_sub->i_start = i_start;
390         vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
391
392         gtk_text_set_point( p_intf->p_sys->p_messages_text,
393                     gtk_text_get_length( p_intf->p_sys->p_messages_text ) );
394     }
395
396     /* Update the playlist */
397     GtkPlayListManage( p_intf );
398
399     /* Update the input */
400     if( p_intf->p_sys->p_input == NULL )
401     {
402         p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
403                                                           FIND_ANYWHERE );
404     }
405     else if( p_intf->p_sys->p_input->b_dead )
406     {
407         vlc_object_release( p_intf->p_sys->p_input );
408         p_intf->p_sys->p_input = NULL;
409     }
410
411     if( p_intf->p_sys->p_input )
412     {
413         input_thread_t  *p_input = p_intf->p_sys->p_input;
414         aout_instance_t *p_aout  = NULL;
415         vout_thread_t   *p_vout  = NULL;
416         vlc_bool_t      b_need_menus = VLC_FALSE;
417
418         vlc_mutex_lock( &p_input->stream.stream_lock );
419
420         if( !p_input->b_die )
421         {
422             /* New input or stream map change */
423             if( p_input->stream.b_changed )
424             {
425                 E_(GtkModeManage)( p_intf );
426                 GtkSetupMenus( p_intf );
427                 p_intf->p_sys->b_playing = 1;
428             }
429
430             /* Manage the slider */
431             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
432             {
433                 float newvalue = p_intf->p_sys->p_adj->value;
434
435 #define p_area p_input->stream.p_selected_area
436                 /* If the user hasn't touched the slider since the last time,
437                  * then the input can safely change it */
438                 if( newvalue == p_intf->p_sys->f_adj_oldvalue )
439                 {
440                     /* Update the value */
441                     p_intf->p_sys->p_adj->value =
442                     p_intf->p_sys->f_adj_oldvalue =
443                         ( 100. * p_area->i_tell ) / p_area->i_size;
444
445                     gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
446                                              "value_changed" );
447                 }
448                 /* Otherwise, send message to the input if the user has
449                  * finished dragging the slider.
450                  * Beware, the hack below is needed by the dvdplay plugin! */
451                 else if( p_intf->p_sys->b_slider_free
452                 /* hack -> */ && (p_intf->p_sys->f_adj_oldvalue <= 100.) )
453                 {
454                     off_t i_seek = ( newvalue * p_area->i_size ) / 100;
455
456                     /* release the lock to be able to seek */
457                     vlc_mutex_unlock( &p_input->stream.stream_lock );
458                     input_Seek( p_input, i_seek, INPUT_SEEK_SET );
459                     vlc_mutex_lock( &p_input->stream.stream_lock );
460
461                     /* Update the old value */
462                     p_intf->p_sys->f_adj_oldvalue = newvalue;
463                 }
464 #undef p_area
465             }
466
467             if( p_intf->p_sys->i_part !=
468                 p_input->stream.p_selected_area->i_part )
469             {
470                 p_intf->p_sys->b_chapter_update = 1;
471                 b_need_menus = VLC_TRUE;
472             }
473
474             /* Does the audio output require to update the menus ? */
475             p_aout = (aout_instance_t *)vlc_object_find( p_intf, VLC_OBJECT_AOUT,
476                                                          FIND_ANYWHERE );
477             if( p_aout != NULL )
478             {
479                 vlc_value_t val;
480                 if( var_Get( (vlc_object_t *)p_aout, "intf-change", &val ) >= 0
481                     && val.b_bool )
482                 {
483                     p_intf->p_sys->b_aout_update = 1;
484                     b_need_menus = 1;
485                 }
486
487                 vlc_object_release( (vlc_object_t *)p_aout );
488             }
489
490             /* Does the video output require to update the menus ? */
491             p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
492                                                        FIND_ANYWHERE );
493             if( p_vout != NULL ) 
494             {
495                 vlc_value_t val;
496                 if( var_Get( (vlc_object_t *)p_vout, "intf-change", &val ) >= 0
497                     && val.b_bool )
498                 {
499                     p_intf->p_sys->b_vout_update = 1;
500                     b_need_menus = 1;
501                 }
502
503                 vlc_object_release( (vlc_object_t *)p_vout );
504             }
505             if( b_need_menus )
506             {
507                 GtkSetupMenus( p_intf );
508             }
509         }
510
511         vlc_mutex_unlock( &p_input->stream.stream_lock );
512     }
513     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
514     {
515         E_(GtkModeManage)( p_intf );
516         p_intf->p_sys->b_playing = 0;
517     }
518
519 #ifndef NEED_GTK_MAIN
520     if( p_intf->b_die )
521     {
522         vlc_mutex_unlock( &p_intf->change_lock );
523
524         /* Prepare to die, young Skywalker */
525         gtk_main_quit();
526
527         return FALSE;
528     }
529 #endif
530
531     vlc_mutex_unlock( &p_intf->change_lock );
532
533     return TRUE;
534 }