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
  42 gboolean instance_button_click(instance_t* app, control_buttons_t button)
  43 {
  44 #if 0
  45     switch(button)
  46     {
  47         case BUTTON_PLAYLIST_ITEM_ADD:
  48             omnplay_playlist_item_add(app, 0);
  49             break;
  50         case BUTTON_PLAYLIST_ITEM_DEL:
  51             omnplay_playlist_item_del(app);
  52             break;
  53         case BUTTON_PLAYLIST_ITEM_EDIT:
  54             omnplay_playlist_item_edit(app);
  55             break;
  56         case BUTTON_PLAYLIST_LOAD:
  57             omnplay_playlist_load(app);
  58             break;
  59         case BUTTON_PLAYLIST_SAVE:
  60             omnplay_playlist_save(app);
  61             break;
  62         case BUTTON_PLAYLIST_BLOCK_SINGLE:
  63         case BUTTON_PLAYLIST_BLOCK_LOOP:
  64             omnplay_playlist_block(app, button);
  65             break;
  66         case BUTTON_PLAYLIST_ITEM_UP:
  67             omnplay_playlist_item_swap(app, -1);
  68             break;
  69         case BUTTON_PLAYLIST_ITEM_DOWN:
  70             omnplay_playlist_item_swap(app, +1);
  71             break;
  72         case BUTTON_PLAYER_CUE:
  73         case BUTTON_PLAYER_PLAY:
  74         case BUTTON_PLAYER_PAUSE:
  75         case BUTTON_PLAYER_STOP:
  76             omnplay_ctl(app, button);
  77             break;
  78         case BUTTON_LIBRARY_ADD:
  79             omnplay_library_add(app, 0);
  80             break;
  81         case BUTTON_LIBRARY_REFRESH:
  82             omnplay_library_refresh(app);
  83             break;
  84         case BUTTON_LIBRARY_FIND:
  85             omnplay_library_search(app, 0);
  86             break;
  87         case BUTTON_LIBRARY_FIND_NEXT:
  88             omnplay_library_search(app, 1);
  89             break;
  90         case BUTTON_PLAYLIST_RELINK:
  91             omnplay_playlist_relink(app);
  92             break;
  93     };
  94 #endif
  95     return TRUE;
  96 };
  97
  98 static gboolean on_button_click(GtkWidget *button, gpointer user_data)
  99 {
 100     int i;
 101     instance_t* app = (instance_t*)user_data;
 102
 103     for(i = 1; i < BUTTON_LAST; i++)
 104         if(app->buttons[i] == button)
 105             return instance_button_click(app, (control_buttons_t)i);
 106
 107     return FALSE;
 108 };
 109
 110 static gboolean on_main_window_delete_event( GtkWidget *widget, GdkEvent *event, gpointer user_data )
 111 {
 112     g_print ("delete event occurred [start]\n");
 113     gdk_threads_leave();
 114     instance_release((instance_t*)user_data);
 115     gdk_threads_enter();
 116     g_print ("delete event occurred [finish]\n");
 117
 118     return FALSE;
 119 }
 120
 121 static void on_main_window_destroy( GtkWidget *widget, gpointer user_data )
 122 {
 123     g_print ("destroy occurred\n");
 124     gtk_main_quit();
 125 }
 126
 127 instance_t* instance_create(int argc, char** argv)
 128 {
 129     int i, c;
 130     instance_t* app;
 131
 132     /* prepare application instance */
 133     app = (instance_t*)malloc(sizeof(instance_t));
 134     memset(app, 0, sizeof(instance_t));
 135
 136     /* load parameters from command line */
 137     if(!instance_opt(argc, argv, app) && app->players.count)
 138         app->window = ui_create(app);
 139     else
 140         instance_usage();
 141
 142     return app;
 143 };
 144
 145 void instance_destroy(instance_t* app)
 146 {
 147     free(app);
 148 };
 149
 150 void instance_init(instance_t* app)
 151 {
 152     int i;
 153     pthread_mutexattr_t attr;
 154
 155     pthread_mutexattr_init(&attr);
 156     pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 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_mutex_init(&app->players.lock, &attr);
 184     pthread_mutex_init(&app->playlist.lock, &attr);
 185     pthread_mutex_init(&app->library.lock, &attr);
 186     pthread_mutexattr_destroy(&attr);
 187
 188     /* run unit monitoring threads */
 189     for(i = 0; i < app->players.count; i++)
 190         player_run(app, i);
 191
 192     /* attach buttons click */
 193     for(i = 1; i < BUTTON_LAST; i++)
 194         gtk_signal_connect(GTK_OBJECT(app->buttons[i]), "clicked",
 195             GTK_SIGNAL_FUNC( on_button_click), app );
 196
 197     /* load library */
 198     library_init(app);
 199
 200 #if 0
 201     /* setup drag n drop source/target */
 202     static GtkTargetEntry drag_targets[] = { { (char*) "application/playlist_item_t", 0, 0 } };
 203
 204     gtk_drag_source_set(app->library_grid, GDK_BUTTON1_MASK,
 205         drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY));
 206
 207     gtk_drag_source_set(app->playlist_grid, GDK_BUTTON1_MASK,
 208         drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE));
 209
 210     gtk_drag_dest_set(app->playlist_grid, (GtkDestDefaults)(GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
 211         drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE));
 212
 213     g_signal_connect (app->library_grid, "drag_data_get", G_CALLBACK(library_grid_drag_data_get_cb), app);
 214     g_signal_connect (app->playlist_grid, "drag_data_get", G_CALLBACK(playlist_grid_drag_data_get_cb), app);
 215     g_signal_connect (app->library_grid, "drag_begin", G_CALLBACK(library_grid_drag_begin_cb), app);
 216     g_signal_connect (app->playlist_grid, "drag_begin", G_CALLBACK(playlist_grid_drag_begin_cb), app);
 217     g_signal_connect (app->playlist_grid, "drag_data_received", G_CALLBACK (playlist_grid_drag_data_received), app);
 218     g_signal_connect (app->playlist_grid, "drag_data_delete", G_CALLBACK (playlist_grid_drag_data_delete), app);
 219     g_signal_connect (app->playlist_grid, "drag_motion", G_CALLBACK (playlist_grid_drag_motion), app);
 220 #endif
 221 };
 222
 223 void instance_release(instance_t* app)
 224 {
 225     int i;
 226
 227     app->f_exit = 1;
 228
 229     library_release(app);
 230
 231     /* stop unit monitoring threads */
 232     for(i = 0; i < app->players.count; i++)
 233         player_stop(app, i);
 234
 235     /* destroy lock */
 236     pthread_mutex_destroy(&app->players.lock);
 237
 238     /* destroy lock */
 239     pthread_mutex_destroy(&app->playlist.lock);
 240
 241 #if 0
 242     /* load library */
 243     omnplay_library_save(app);
 244 #endif
 245
 246     /* destroy library lock */
 247     pthread_mutex_destroy(&app->library.lock);
 248 };