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
  41 static gboolean on_main_window_delete_event( GtkWidget *widget, GdkEvent *event, gpointer user_data )
  42 {
  43     g_print ("delete event occurred [start]\n");
  44     gdk_threads_leave();
  45     instance_release((instance_t*)user_data);
  46     gdk_threads_enter();
  47     g_print ("delete event occurred [finish]\n");
  48
  49     return FALSE;
  50 }
  51
  52 static void on_main_window_destroy( GtkWidget *widget, gpointer user_data )
  53 {
  54     g_print ("destroy occurred\n");
  55     gtk_main_quit();
  56 }
  57
  58 instance_t* instance_create(int argc, char** argv)
  59 {
  60     int i, c;
  61     instance_t* app;
  62
  63     /* prepare application instance */
  64     app = (instance_t*)malloc(sizeof(instance_t));
  65     memset(app, 0, sizeof(instance_t));
  66
  67     /* load parameters from command line */
  68     if(!instance_opt(argc, argv, app) && app->players.count)
  69         app->window = ui_create(app);
  70     else
  71         instance_usage();
  72
  73     return app;
  74 };
  75
  76 void instance_destroy(instance_t* app)
  77 {
  78     free(app);
  79 };
  80
  81 void instance_init(instance_t* app)
  82 {
  83     int i;
  84     pthread_mutexattr_t attr;
  85
  86     pthread_mutexattr_init(&attr);
  87     pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  88
  89     gtk_signal_connect( GTK_OBJECT( app->window ), "delete-event",
  90         GTK_SIGNAL_FUNC(on_main_window_delete_event), app);
  91
  92     gtk_signal_connect( GTK_OBJECT( app->window ), "destroy",
  93         GTK_SIGNAL_FUNC(on_main_window_destroy), app);
  94
  95 #if 0
  96     gtk_widget_add_events(app->playlist_grid, GDK_BUTTON_PRESS_MASK);
  97     gtk_widget_add_events(app->playlist_grid, GDK_KEY_PRESS_MASK);
  98     gtk_signal_connect(GTK_OBJECT(app->playlist_grid), "key-press-event",
  99         GTK_SIGNAL_FUNC(on_playlist_grid_key), app);
 100
 101     gtk_widget_add_events(app->library_grid, GDK_BUTTON_PRESS_MASK);
 102     gtk_widget_add_events(app->library_grid, GDK_KEY_PRESS_MASK);
 103     gtk_signal_connect(GTK_OBJECT(app->library_grid), "key-press-event",
 104         GTK_SIGNAL_FUNC(on_library_grid_key), app);
 105
 106     gtk_signal_connect(GTK_OBJECT(app->playlist_grid), "button-press-event",
 107         GTK_SIGNAL_FUNC(on_playlist_grid_button), app);
 108
 109     gtk_signal_connect(GTK_OBJECT(app->library_grid), "button-press-event",
 110         GTK_SIGNAL_FUNC(on_library_grid_button), app);
 111 #endif
 112
 113     /* create lock */
 114     pthread_mutex_init(&app->players.lock, &attr);
 115     pthread_mutex_init(&app->playlist.lock, &attr);
 116     pthread_mutex_init(&app->library.lock, &attr);
 117     pthread_mutexattr_destroy(&attr);
 118
 119     /* run unit monitoring threads */
 120     for(i = 0; i < app->players.count; i++)
 121         player_run(app, i);
 122
 123 #if 0
 124
 125     /* attach buttons click */
 126     for(i = 1; i < BUTTON_LAST; i++)
 127         gtk_signal_connect(GTK_OBJECT(app->buttons[i]), "clicked",
 128             GTK_SIGNAL_FUNC( on_button_click), app );
 129
 130     /* load library */
 131     omnplay_library_load(app);
 132 #endif
 133
 134 #if 0
 135     /* setup drag n drop source/target */
 136     static GtkTargetEntry drag_targets[] = { { (char*) "application/playlist_item_t", 0, 0 } };
 137
 138     gtk_drag_source_set(app->library_grid, GDK_BUTTON1_MASK,
 139         drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY));
 140
 141     gtk_drag_source_set(app->playlist_grid, GDK_BUTTON1_MASK,
 142         drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE));
 143
 144     gtk_drag_dest_set(app->playlist_grid, (GtkDestDefaults)(GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
 145         drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE));
 146
 147     g_signal_connect (app->library_grid, "drag_data_get", G_CALLBACK(library_grid_drag_data_get_cb), app);
 148     g_signal_connect (app->playlist_grid, "drag_data_get", G_CALLBACK(playlist_grid_drag_data_get_cb), app);
 149     g_signal_connect (app->library_grid, "drag_begin", G_CALLBACK(library_grid_drag_begin_cb), app);
 150     g_signal_connect (app->playlist_grid, "drag_begin", G_CALLBACK(playlist_grid_drag_begin_cb), app);
 151     g_signal_connect (app->playlist_grid, "drag_data_received", G_CALLBACK (playlist_grid_drag_data_received), app);
 152     g_signal_connect (app->playlist_grid, "drag_data_delete", G_CALLBACK (playlist_grid_drag_data_delete), app);
 153     g_signal_connect (app->playlist_grid, "drag_motion", G_CALLBACK (playlist_grid_drag_motion), app);
 154 #endif
 155 };
 156
 157 void instance_release(instance_t* app)
 158 {
 159     int i;
 160
 161     app->f_exit = 1;
 162
 163     /* stop unit monitoring threads */
 164     for(i = 0; i < app->players.count; i++)
 165         player_stop(app, i);
 166
 167     /* destroy lock */
 168     pthread_mutex_destroy(&app->players.lock);
 169
 170     /* destroy lock */
 171     pthread_mutex_destroy(&app->playlist.lock);
 172
 173 #if 0
 174     /* load library */
 175     omnplay_library_save(app);
 176 #endif
 177
 178     /* destroy library lock */
 179     pthread_mutex_destroy(&app->library.lock);
 180 };