1 /*****************************************************************************
2 * gtk.c : Gtk+ plugin for vlc
3 *****************************************************************************
4 * Copyright (C) 2000-2001 VideoLAN
5 * $Id: gtk.c,v 1.11 2003/01/20 20:07:06 fenrir Exp $
7 * Authors: Samuel Hocevar <sam@zoy.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
27 #include <stdlib.h> /* malloc(), free() */
28 #include <errno.h> /* ENOMEM */
29 #include <string.h> /* strerror() */
37 #include "gtk_callbacks.h"
38 #include "gtk_interface.h"
39 #include "gtk_support.h"
45 /*****************************************************************************
47 *****************************************************************************/
48 static int Open ( vlc_object_t * );
49 static void Close ( vlc_object_t * );
51 static void Run ( intf_thread_t * );
52 static int Manage ( intf_thread_t * );
54 /*****************************************************************************
56 *****************************************************************************/
57 #define TOOLTIPS_TEXT N_("show tooltips")
58 #define TOOLTIPS_LONGTEXT N_("Show tooltips for configuration options.")
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.")
69 int i = getenv( "DISPLAY" ) == NULL ? 10 : 90;
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 );
77 set_description( _("Gtk+ interface module") );
78 set_capability( "interface", i );
79 set_callbacks( Open, Close );
80 add_shortcut( "gtk" );
81 set_program( "gvlc" );
84 /*****************************************************************************
85 * Open: initialize and create window
86 *****************************************************************************/
87 static int Open( vlc_object_t *p_this )
89 intf_thread_t *p_intf = (intf_thread_t *)p_this;
91 /* Allocate instance and initialize some members */
92 p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
93 if( p_intf->p_sys == NULL )
95 msg_Err( p_intf, "out of memory" );
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 )
103 free( p_intf->p_sys );
108 p_intf->pf_run = Run;
110 p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
112 /* Initialize Gtk+ thread */
113 p_intf->p_sys->b_playing = 0;
114 p_intf->p_sys->b_deinterlace_update = 0;
116 p_intf->p_sys->b_aout_update = 0;
117 p_intf->p_sys->b_vout_update = 0;
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;
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;
132 p_intf->p_sys->i_part = 0;
134 p_intf->p_sys->b_mute = 0;
138 /*****************************************************************************
139 * Close: destroy interface window
140 *****************************************************************************/
141 static void Close( vlc_object_t *p_this )
143 intf_thread_t *p_intf = (intf_thread_t *)p_this;
145 if( p_intf->p_sys->p_input )
147 vlc_object_release( p_intf->p_sys->p_input );
150 msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
153 module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
156 /* Destroy structure */
157 free( p_intf->p_sys );
160 /*****************************************************************************
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 )
168 /* The data types we are allowed to receive */
169 static GtkTargetEntry target_table[] =
171 { "STRING", 0, DROP_ACCEPT_STRING },
172 { "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
173 { "text/plain", 0, DROP_ACCEPT_TEXT_PLAIN }
179 /* gtk_init needs to know the command line. We don't care, so we
180 * give it an empty one */
181 char *p_args[] = { "" };
182 char **pp_args = p_args;
186 gtk_init( &i_args, &pp_args );
189 /* Create some useful widgets that will certainly be used */
190 p_intf->p_sys->p_window = create_intf_window();
191 p_intf->p_sys->p_popup = create_intf_popup();
192 p_intf->p_sys->p_playwin = create_intf_playlist();
193 p_intf->p_sys->p_messages = create_intf_messages();
194 p_intf->p_sys->p_tooltips = gtk_tooltips_new();
196 /* Set the title of the main window */
197 gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
198 VOUT_TITLE " (Gtk+ interface)");
200 /* Accept file drops on the main window */
201 gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
202 GTK_DEST_DEFAULT_ALL, target_table,
203 DROP_ACCEPT_END, GDK_ACTION_COPY );
205 /* Accept file drops on the playlist window */
206 gtk_drag_dest_set( GTK_WIDGET( lookup_widget( p_intf->p_sys->p_playwin,
208 GTK_DEST_DEFAULT_ALL, target_table,
209 DROP_ACCEPT_END, GDK_ACTION_COPY );
211 /* Get the slider object */
212 p_intf->p_sys->p_slider_frame = GTK_FRAME( gtk_object_get_data(
213 GTK_OBJECT( p_intf->p_sys->p_window ), "slider_frame" ) );
215 /* Configure the log window */
216 p_intf->p_sys->p_messages_text = GTK_TEXT( gtk_object_get_data(
217 GTK_OBJECT(p_intf->p_sys->p_messages ), "messages_textbox" ) );
218 gtk_text_set_line_wrap( p_intf->p_sys->p_messages_text, TRUE);
219 gtk_text_set_word_wrap( p_intf->p_sys->p_messages_text, FALSE);
221 /* Get the interface labels */
222 #define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
223 GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
224 p_intf->p_sys->p_label_title = P_LABEL( "title_label" );
225 p_intf->p_sys->p_label_chapter = P_LABEL( "chapter_label" );
228 /* Connect the date display to the slider */
229 #define P_SLIDER GTK_RANGE( gtk_object_get_data( \
230 GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
231 p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
233 gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
234 GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
235 p_intf->p_sys->f_adj_oldvalue = 0;
238 /* We don't create these ones yet because we perhaps won't need them */
239 p_intf->p_sys->p_about = NULL;
240 p_intf->p_sys->p_modules = NULL;
241 p_intf->p_sys->p_open = NULL;
242 p_intf->p_sys->p_jump = NULL;
244 /* Hide tooltips if the option is set */
245 if( !config_GetInt( p_intf, "gtk-tooltips" ) )
247 gtk_tooltips_disable( p_intf->p_sys->p_tooltips );
250 /* Store p_intf to keep an eye on it */
251 gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
254 gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
257 gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_playwin ),
260 gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_messages ),
263 gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
266 /* Show the control window */
267 gtk_widget_show( p_intf->p_sys->p_window );
270 while( !p_intf->b_die )
274 /* Sleep to avoid using all CPU - since some interfaces need to
275 * access keyboard events, a 100ms delay is a good compromise */
277 msleep( INTF_IDLE_SLEEP );
281 /* Sleep to avoid using all CPU - since some interfaces needs to access
282 * keyboard events, a 100ms delay is a good compromise */
283 i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage,
287 /* Remove the timeout */
288 gtk_timeout_remove( i_dummy );
291 /* Destroy the Tooltips structure */
292 gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_tooltips) );
293 gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_messages) );
294 gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_playwin) );
295 gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_popup) );
296 gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
303 /* following functions are local */
305 /*****************************************************************************
306 * Manage: manage main thread messages
307 *****************************************************************************
308 * In this function, called approx. 10 times a second, we check what the
309 * main program wanted to tell us.
310 *****************************************************************************/
311 static int Manage( intf_thread_t *p_intf )
315 vlc_mutex_lock( &p_intf->change_lock );
317 /* If the "display popup" flag has changed */
318 if( p_intf->b_menu_change )
320 if( !GTK_IS_WIDGET( p_intf->p_sys->p_popup ) )
322 p_intf->p_sys->p_popup = create_intf_popup();
323 gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_popup ),
326 gtk_menu_popup( GTK_MENU( p_intf->p_sys->p_popup ),
327 NULL, NULL, NULL, NULL, 0, GDK_CURRENT_TIME );
328 p_intf->b_menu_change = 0;
331 /* Update the log window */
332 vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
333 i_stop = *p_intf->p_sys->p_sub->pi_stop;
334 vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
336 if( p_intf->p_sys->p_sub->i_start != i_stop )
338 static GdkColor white = { 0, 0xffff, 0xffff, 0xffff };
339 static GdkColor gray = { 0, 0xaaaa, 0xaaaa, 0xaaaa };
340 static GdkColor yellow = { 0, 0xffff, 0xffff, 0x6666 };
341 static GdkColor red = { 0, 0xffff, 0x6666, 0x6666 };
343 static const char * ppsz_type[4] = { ": ", " error: ", " warning: ",
345 static GdkColor * pp_color[4] = { &white, &red, &yellow, &gray };
347 for( i_start = p_intf->p_sys->p_sub->i_start;
349 i_start = (i_start+1) % VLC_MSG_QSIZE )
351 /* Append all messages to log window */
352 gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
353 NULL, p_intf->p_sys->p_sub->p_msg[i_start].psz_module, -1 );
355 gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
356 NULL, ppsz_type[p_intf->p_sys->p_sub->p_msg[i_start].i_type],
359 gtk_text_insert( p_intf->p_sys->p_messages_text, NULL,
360 pp_color[p_intf->p_sys->p_sub->p_msg[i_start].i_type], NULL,
361 p_intf->p_sys->p_sub->p_msg[i_start].psz_msg, -1 );
363 gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
367 vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
368 p_intf->p_sys->p_sub->i_start = i_start;
369 vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
371 gtk_text_set_point( p_intf->p_sys->p_messages_text,
372 gtk_text_get_length( p_intf->p_sys->p_messages_text ) );
375 /* Update the playlist */
376 GtkPlayListManage( p_intf );
378 /* Update the input */
379 if( p_intf->p_sys->p_input == NULL )
381 p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
384 else if( p_intf->p_sys->p_input->b_dead )
386 vlc_object_release( p_intf->p_sys->p_input );
387 p_intf->p_sys->p_input = NULL;
390 if( p_intf->p_sys->p_input )
392 input_thread_t *p_input = p_intf->p_sys->p_input;
393 aout_instance_t *p_aout = NULL;
394 vout_thread_t *p_vout = NULL;
395 vlc_bool_t b_need_menus = VLC_FALSE;
397 vlc_mutex_lock( &p_input->stream.stream_lock );
399 if( !p_input->b_die )
401 /* New input or stream map change */
402 if( p_input->stream.b_changed )
404 E_(GtkModeManage)( p_intf );
405 GtkSetupMenus( p_intf );
406 p_intf->p_sys->b_playing = 1;
409 /* Manage the slider */
410 if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
412 float newvalue = p_intf->p_sys->p_adj->value;
414 #define p_area p_input->stream.p_selected_area
415 /* If the user hasn't touched the slider since the last time,
416 * then the input can safely change it */
417 if( newvalue == p_intf->p_sys->f_adj_oldvalue )
419 /* Update the value */
420 p_intf->p_sys->p_adj->value =
421 p_intf->p_sys->f_adj_oldvalue =
422 ( 100. * p_area->i_tell ) / p_area->i_size;
424 gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
427 /* Otherwise, send message to the input if the user has
428 * finished dragging the slider */
429 else if( p_intf->p_sys->b_slider_free )
431 off_t i_seek = ( newvalue * p_area->i_size ) / 100;
433 /* release the lock to be able to seek */
434 vlc_mutex_unlock( &p_input->stream.stream_lock );
435 input_Seek( p_input, i_seek, INPUT_SEEK_SET );
436 vlc_mutex_lock( &p_input->stream.stream_lock );
438 /* Update the old value */
439 p_intf->p_sys->f_adj_oldvalue = newvalue;
444 if( p_intf->p_sys->i_part !=
445 p_input->stream.p_selected_area->i_part )
447 p_intf->p_sys->b_chapter_update = 1;
448 b_need_menus = VLC_TRUE;
451 /* Does the audio output require to update the menus ? */
452 p_aout = (aout_instance_t *)vlc_object_find( p_intf, VLC_OBJECT_AOUT,
457 if( var_Get( (vlc_object_t *)p_aout, "intf-change", &val ) >= 0
460 p_intf->p_sys->b_aout_update = 1;
464 vlc_object_release( (vlc_object_t *)p_aout );
467 /* Does the video output require to update the menus ? */
468 p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
473 if( var_Get( (vlc_object_t *)p_vout, "intf-change", &val ) >= 0
476 p_intf->p_sys->b_vout_update = 1;
480 vlc_object_release( (vlc_object_t *)p_vout );
484 GtkSetupMenus( p_intf );
488 vlc_mutex_unlock( &p_input->stream.stream_lock );
490 else if( p_intf->p_sys->b_playing && !p_intf->b_die )
492 E_(GtkModeManage)( p_intf );
493 p_intf->p_sys->b_playing = 0;
496 #ifndef NEED_GTK_MAIN
499 vlc_mutex_unlock( &p_intf->change_lock );
501 /* Prepare to die, young Skywalker */
508 vlc_mutex_unlock( &p_intf->change_lock );