research.m1stereo.tv/gitweb/ - melted_gui/blob - src/instance.c

   1 /*
   2  * instance.c -- GTK+ 2 melted gui
   3  * Copyright (C) 2012 Maksym Veremeyenko <verem@m1stereo.tv>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software Foundation,
  17  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifndef _GNU_SOURCE
  21 #define _GNU_SOURCE
  22 #endif
  23
  24 #ifdef HAVE_CONFIG_H
  25 #  include <config.h>
  26 #endif
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <gtk/gtk.h>
  32 #include <gdk/gdkkeysyms.h>
  33 #include <pthread.h>
  34
  35 #include "instance.h"
  36 #include "ui.h"
  37 #include "opts.h"
  38 #include "timecode.h"
  39 #include "player.h"
  40 #include "library.h"
  41 #include "playlist.h"
  42
  43 GtkTargetEntry drag_targets[] = { { (char*) "application/playlist_item_t", 0, 0 } };
  44
  45 gboolean instance_button_click(instance_t* app, control_buttons_t button)
  46 {
  47 #if 0
  48     switch(button)
  49     {
  50         case BUTTON_PLAYLIST_ITEM_ADD:
  51             omnplay_playlist_item_add(app, 0);
  52             break;
  53         case BUTTON_PLAYLIST_ITEM_DEL:
  54             omnplay_playlist_item_del(app);
  55             break;
  56         case BUTTON_PLAYLIST_ITEM_EDIT:
  57             omnplay_playlist_item_edit(app);
  58             break;
  59         case BUTTON_PLAYLIST_LOAD:
  60             omnplay_playlist_load(app);
  61             break;
  62         case BUTTON_PLAYLIST_SAVE:
  63             omnplay_playlist_save(app);
  64             break;
  65         case BUTTON_PLAYLIST_BLOCK_SINGLE:
  66         case BUTTON_PLAYLIST_BLOCK_LOOP:
  67             omnplay_playlist_block(app, button);
  68             break;
  69         case BUTTON_PLAYLIST_ITEM_UP:
  70             omnplay_playlist_item_swap(app, -1);
  71             break;
  72         case BUTTON_PLAYLIST_ITEM_DOWN:
  73             omnplay_playlist_item_swap(app, +1);
  74             break;
  75         case BUTTON_PLAYER_CUE:
  76         case BUTTON_PLAYER_PLAY:
  77         case BUTTON_PLAYER_PAUSE:
  78         case BUTTON_PLAYER_STOP:
  79             omnplay_ctl(app, button);
  80             break;
  81         case BUTTON_LIBRARY_ADD:
  82             omnplay_library_add(app, 0);
  83             break;
  84         case BUTTON_LIBRARY_REFRESH:
  85             omnplay_library_refresh(app);
  86             break;
  87         case BUTTON_LIBRARY_FIND:
  88             omnplay_library_search(app, 0);
  89             break;
  90         case BUTTON_LIBRARY_FIND_NEXT:
  91             omnplay_library_search(app, 1);
  92             break;
  93         case BUTTON_PLAYLIST_RELINK:
  94             omnplay_playlist_relink(app);
  95             break;
  96     };
  97 #endif
  98     return TRUE;
  99 };
 100
 101 static gboolean on_button_click(GtkWidget *button, gpointer user_data)
 102 {
 103     int i;
 104     instance_t* app = (instance_t*)user_data;
 105
 106     for(i = 1; i < BUTTON_LAST; i++)
 107         if(app->buttons[i] == button)
 108             return instance_button_click(app, (control_buttons_t)i);
 109
 110     return FALSE;
 111 };
 112
 113 static gboolean on_main_window_delete_event( GtkWidget *widget, GdkEvent *event, gpointer user_data )
 114 {
 115     g_print ("delete event occurred [start]\n");
 116     gdk_threads_leave();
 117     instance_release((instance_t*)user_data);
 118     gdk_threads_enter();
 119     g_print ("delete event occurred [finish]\n");
 120
 121     return FALSE;
 122 }
 123
 124 static void on_main_window_destroy( GtkWidget *widget, gpointer user_data )
 125 {
 126     g_print ("destroy occurred\n");
 127     gtk_main_quit();
 128 }
 129
 130 instance_t* instance_create(int argc, char** argv)
 131 {
 132     int i, c;
 133     instance_t* app;
 134
 135     /* prepare application instance */
 136     app = (instance_t*)malloc(sizeof(instance_t));
 137     memset(app, 0, sizeof(instance_t));
 138
 139     /* load parameters from command line */
 140     if(!instance_opt(argc, argv, app) && app->players.count)
 141         app->window = ui_create(app);
 142     else
 143         instance_usage();
 144
 145     return app;
 146 };
 147
 148 void instance_destroy(instance_t* app)
 149 {
 150     free(app);
 151 };
 152
 153 void instance_init(instance_t* app)
 154 {
 155     int i;
 156     pthread_mutexattr_t attr;
 157
 158     gtk_signal_connect( GTK_OBJECT( app->window ), "delete-event",
 159         GTK_SIGNAL_FUNC(on_main_window_delete_event), app);
 160
 161     gtk_signal_connect( GTK_OBJECT( app->window ), "destroy",
 162         GTK_SIGNAL_FUNC(on_main_window_destroy), app);
 163
 164 #if 0
 165     gtk_widget_add_events(app->playlist_grid, GDK_BUTTON_PRESS_MASK);
 166     gtk_widget_add_events(app->playlist_grid, GDK_KEY_PRESS_MASK);
 167     gtk_signal_connect(GTK_OBJECT(app->playlist_grid), "key-press-event",
 168         GTK_SIGNAL_FUNC(on_playlist_grid_key), app);
 169
 170     gtk_widget_add_events(app->library_grid, GDK_BUTTON_PRESS_MASK);
 171     gtk_widget_add_events(app->library_grid, GDK_KEY_PRESS_MASK);
 172     gtk_signal_connect(GTK_OBJECT(app->library_grid), "key-press-event",
 173         GTK_SIGNAL_FUNC(on_library_grid_key), app);
 174
 175     gtk_signal_connect(GTK_OBJECT(app->playlist_grid), "button-press-event",
 176         GTK_SIGNAL_FUNC(on_playlist_grid_button), app);
 177
 178     gtk_signal_connect(GTK_OBJECT(app->library_grid), "button-press-event",
 179         GTK_SIGNAL_FUNC(on_library_grid_button), app);
 180 #endif
 181
 182     /* create lock */
 183     pthread_mutexattr_init(&attr);
 184     pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 185     pthread_mutex_init(&app->players.lock, &attr);
 186     pthread_mutex_init(&app->playlist.lock, &attr);
 187     pthread_mutex_init(&app->library.lock, &attr);
 188     pthread_mutexattr_destroy(&attr);
 189
 190     /* run unit monitoring threads */
 191     for(i = 0; i < app->players.count; i++)
 192         player_run(app, i);
 193
 194     /* attach buttons click */
 195     for(i = 1; i < BUTTON_LAST; i++)
 196         gtk_signal_connect(GTK_OBJECT(app->buttons[i]), "clicked",
 197             GTK_SIGNAL_FUNC( on_button_click), app );
 198
 199     /* init library */
 200     library_init(app);
 201
 202     /* init playlist */
 203     playlist_init(app);
 204 };
 205
 206 void instance_release(instance_t* app)
 207 {
 208     int i;
 209
 210     app->f_exit = 1;
 211
 212     /* stop unit monitoring threads */
 213     for(i = 0; i < app->players.count; i++)
 214         player_stop(app, i);
 215
 216     /* release laylist */
 217     playlist_release(app);
 218
 219     /* release library */
 220     library_release(app);
 221
 222     /* destroy lock */
 223     pthread_mutex_destroy(&app->players.lock);
 224
 225     /* destroy lock */
 226     pthread_mutex_destroy(&app->playlist.lock);
 227
 228     /* destroy library lock */
 229     pthread_mutex_destroy(&app->library.lock);
 230 };