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

   1 /*
   2  * library.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 #ifdef HAVE_CONFIG_H
  21 #  include <config.h>
  22 #endif
  23
  24 #ifndef _GNU_SOURCE
  25 #define _GNU_SOURCE
  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 #include <string.h>
  35
  36 #include <mvcp/mvcp.h>
  37 #include <mvcp/mvcp_remote.h>
  38
  39 #include "library.h"
  40 #include "ui.h"
  41 #include "timecode.h"
  42 #include "support.h"
  43
  44 extern GtkTargetEntry drag_targets[];
  45
  46 void library_release(instance_t* app)
  47 {
  48     mvcp_close(app->library.handle[0]);
  49     mvcp_parser_close(app->library.handle[1]);
  50 };
  51
  52 static void library_add_fake(instance_t* app, GtkTreeStore *tree_store, GtkTreeIter* parent)
  53 {
  54     GtkTreeIter iter;
  55     gtk_tree_store_append(tree_store, &iter, parent);
  56     gtk_tree_store_set(tree_store, &iter, -1);
  57 };
  58
  59 static int library_init_load(instance_t* app)
  60 {
  61     GtkTreeIter iter;
  62     GtkTreeStore *tree_store;
  63
  64     tree_store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->library_tree)));
  65     gtk_tree_store_clear(tree_store);
  66
  67     gtk_tree_store_append(tree_store, &iter, NULL);
  68     gtk_tree_store_set(tree_store, &iter,
  69         0, app->library.icons[0],
  70         1, "<dir>>",
  71         2, "LIBRARY",
  72         3, NULL,
  73         4, NULL,
  74         5, FALSE,
  75         6, "red",
  76         -1 );
  77     library_add_fake(app, tree_store, &iter);
  78
  79     gtk_tree_view_collapse_all(GTK_TREE_VIEW(app->library_tree));
  80
  81     return 0;
  82 };
  83
  84 static void library_add_item(instance_t* app, GtkTreeStore *treestore, GtkTreeIter *iter,
  85     mvcp_dir_entry e, mvcp_list_entry p)
  86 {
  87     GtkTreeIter this, child;
  88
  89     if(e->dir)
  90     {
  91         gtk_tree_store_prepend(treestore, &this, iter);
  92
  93         gtk_tree_store_set(treestore, &this,
  94             0, app->library.icons[0],
  95             1, "<dir>",
  96             2, e->name,
  97             3, e,
  98             4, NULL,
  99             5, FALSE,
 100             6, "red",
 101             -1 );
 102
 103         gtk_tree_store_append(treestore, &child, &this);
 104         gtk_tree_store_set(treestore, &child, -1);
 105     }
 106     else
 107     {
 108         char dur[32];
 109
 110         if(p)
 111             frames2tc(p->size, p->fps, dur);
 112         else
 113             strcpy(dur, "<file>");
 114
 115         gtk_tree_store_append(treestore, &this, iter);
 116
 117         gtk_tree_store_set(treestore, &this,
 118             0, app->library.icons[1],
 119             1, dur,
 120             2, e->name,
 121             3, e,
 122             4, p,
 123             5, FALSE,
 124             6, "red",
 125             -1 );
 126     };
 127 };
 128
 129 static void on_library_row_expanded
 130 (
 131     GtkTreeView *treeview,
 132     GtkTreeIter *iter,
 133     GtkTreePath *path,
 134     gpointer user_data
 135 )
 136 {
 137     int i;
 138     char* p;
 139     GtkTreeIter fake;
 140     GtkTreeModel *model;
 141     GdkCursor* cursor;
 142     mvcp_dir dir;
 143     mvcp_dir_entry_t *e;
 144     instance_t* app = (instance_t*)user_data;
 145     char msg[PATH_MAX];
 146
 147 //    g_warning("on_library_row_expanded: HERE");
 148
 149     /* Set busy cursor */
 150     cursor = gdk_cursor_new(GDK_WATCH);
 151     gdk_window_set_cursor(gtk_widget_get_toplevel(GTK_WIDGET(treeview))->window, cursor);
 152     gdk_cursor_unref(cursor);
 153     gdk_flush();
 154
 155     model = gtk_tree_view_get_model(treeview);
 156
 157     /* save fake item */
 158     gtk_tree_model_iter_children(GTK_TREE_MODEL(model), &fake, iter);
 159
 160     /* request mvcp entry */
 161     gtk_tree_model_get(GTK_TREE_MODEL(model), iter,
 162         3, &e,
 163         -1);
 164
 165     /* setup root path */
 166     if(!e)
 167         p = "/";
 168     else
 169         p = e->full;
 170
 171     /* read dir */
 172     dir = mvcp_dir_init(app->library.handle[0], p);
 173     for (i = 0; i < mvcp_dir_count(dir); i++)
 174     {
 175         mvcp_dir_entry_t dir_entry;
 176         mvcp_list_entry_t *list_e = NULL, list_entry;
 177
 178         if(mvcp_ok != mvcp_dir_get(dir, i, &dir_entry))
 179             continue;
 180
 181 //        g_warning("on_library_row_expanded: path=[%s], entry.dur=[%d], entry.full=[%s], entry.name[%s]",
 182 //            p, entry.dir, entry.full, entry.name);
 183
 184         e = (mvcp_dir_entry_t*)malloc(sizeof(mvcp_dir_entry_t));
 185         *e = dir_entry;
 186
 187         snprintf(msg, sizeof(msg), "probing [%s]", e->full);
 188         ui_set_status(app, msg, 0);
 189
 190         gdk_threads_leave();
 191
 192         if(!e->dir && mvcp_ok == mvcp_probe_clip( app->library.handle[0], e->full, &list_entry))
 193         {
 194             list_e = (mvcp_list_entry_t*)malloc(sizeof(mvcp_list_entry_t));
 195             *list_e = list_entry;
 196         };
 197
 198         gdk_threads_enter();
 199
 200         library_add_item(app, GTK_TREE_STORE(model), iter, e, list_e);
 201     };
 202
 203     snprintf(msg, sizeof(msg), "read [%s] done", p);
 204     ui_set_status(app, msg, 0);
 205
 206     /* restore cursor */
 207     gdk_window_set_cursor(gtk_widget_get_toplevel(GTK_WIDGET(treeview))->window, NULL);
 208
 209     /* delete fake item */
 210     gtk_tree_store_remove(GTK_TREE_STORE(model), &fake);
 211 };
 212
 213 static void on_library_row_collapsed
 214 (
 215     GtkTreeView *treeview,
 216     GtkTreeIter *iter,
 217     GtkTreePath *path,
 218     gpointer user_data
 219 )
 220 {
 221     GtkTreeModel *model;
 222     GtkTreeIter child;
 223 //    g_warning("on_library_row_collapsed: HERE");
 224
 225     /* delete all items */
 226     model = gtk_tree_view_get_model(treeview);
 227     while (gtk_tree_model_iter_children(GTK_TREE_MODEL(model), &child, iter))
 228     {
 229         mvcp_dir_entry_t *e;
 230         mvcp_list_entry_t *l;
 231
 232         /* request mvcp entry */
 233         gtk_tree_model_get(GTK_TREE_MODEL(model), &child,
 234             3, &e,
 235             4, &l,
 236             -1);
 237
 238         /* free entry */
 239         if(e) free(e);
 240         if(l) free(l);
 241
 242         gtk_tree_store_remove(GTK_TREE_STORE(model), &child);
 243     };
 244
 245     /* add a fake element */
 246     library_add_fake(user_data, GTK_TREE_STORE(model), iter);
 247 };
 248
 249 static void library_drag_data_get_cb(GtkWidget *widget, GdkDragContext *context,
 250     GtkSelectionData *selection_data, guint info, guint time, gpointer userdata)
 251 {
 252     int c;
 253     playlist_item_t* items;
 254     instance_t* app = (instance_t*)userdata;
 255
 256     g_warning("library_drag_data_get_cb");
 257
 258     items = library_get_selected_items(app, &c);
 259
 260     /* clear item */
 261     if(items)
 262     {
 263         gtk_selection_data_set(selection_data, selection_data->target, 8,
 264             (const guchar *)items, sizeof(playlist_item_t) * c);
 265         free(items);
 266     };
 267 };
 268
 269 static void library_drag_begin_cb(GtkWidget *widget, GdkDragContext *context, gpointer userdata)
 270 {
 271     g_warning("library_drag_begin_cb");
 272     gtk_drag_source_set_icon_stock(widget, GTK_STOCK_DND);
 273 };
 274
 275
 276 void library_init(instance_t* app)
 277 {
 278     /* connect to library */
 279     app->library.handle[1] = mvcp_parser_init_remote(app->players.host, app->library.port);
 280     app->library.handle[0] = mvcp_init(app->library.handle[1]);
 281     if(mvcp_connect(app->library.handle[0]) != mvcp_ok)
 282     {
 283         g_warning("library_init: failed to connect to server %s:%d",
 284             app->players.host, app->library.port);
 285         return;
 286     };
 287
 288     /* setup icons */
 289     app->library.icons[0] = create_pixbuf("Axialis_Team_playlist_open_16x16.png");
 290     app->library.icons[1] = create_pixbuf("Axialis_Team_playlist_save_16x16.png");
 291
 292     /* load lib */
 293     library_init_load(app);
 294
 295     /* allow drag source */
 296     gtk_drag_source_set(app->library_tree, GDK_BUTTON1_MASK,
 297         drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY));
 298
 299     /* set handlers */
 300     gtk_signal_connect(GTK_OBJECT(app->library_tree), "row-expanded",
 301         GTK_SIGNAL_FUNC(on_library_row_expanded), app);
 302     gtk_signal_connect(GTK_OBJECT(app->library_tree), "row-collapsed",
 303         GTK_SIGNAL_FUNC(on_library_row_collapsed), app);
 304     g_signal_connect(GTK_OBJECT(app->library_tree), "drag_data_get",
 305         G_CALLBACK(library_drag_data_get_cb), app);
 306     g_signal_connect(GTK_OBJECT(app->library_tree), "drag_begin",
 307         G_CALLBACK(library_drag_begin_cb), app);
 308
 309 };
 310
 311 static void library_get_selected_items_iter
 312 (
 313     GtkTreeModel *model,
 314     GtkTreePath *path,
 315     GtkTreeIter *iter,
 316     gpointer data
 317 )
 318 {
 319     int l;
 320     mvcp_dir_entry_t *dir;
 321     mvcp_list_entry_t *list;
 322     playlist_item_t** pitems = (playlist_item_t**)data;
 323     playlist_item_t* items = *pitems;
 324
 325     /* request pointers to list and dir entries of library items */
 326     gtk_tree_model_get(model, iter,
 327         3, &dir,
 328         4, &list,
 329         -1);
 330
 331     /* check if defined */
 332     if(dir && list)
 333     {
 334         /* allocate items */
 335         if(!items)
 336         {
 337             items = (playlist_item_t*)malloc(sizeof(playlist_item_t));
 338             memset(items, 0, sizeof(playlist_item_t));
 339         };
 340
 341         /* find numbers of items in list */
 342         for(l = 0; items[l].id[0]; l++);
 343         g_warning("library_get_selected_items_iter: l=%d", l);
 344
 345         /* realloc items */
 346         items = (playlist_item_t*)realloc(items, (l + 2) * sizeof(playlist_item_t));
 347
 348         /* clean last item */
 349         memset(&items[l + 1], 0, sizeof(playlist_item_t));
 350
 351         /* setup items */
 352         memset(&items[l + 0], 0, sizeof(playlist_item_t));
 353         strncpy(items[l].title, dir->name, PATH_MAX);
 354         strncpy(items[l].id, dir->full, PATH_MAX);
 355         items[l].dur = list->size;
 356     };
 357
 358     *pitems = items;
 359 };
 360
 361 playlist_item_t* library_get_selected_items(instance_t* app, int *count)
 362 {
 363     int l = 0;
 364     playlist_item_t* items = NULL;
 365
 366     GtkTreeSelection *selection;
 367
 368     selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(app->library_tree));
 369     if(selection)
 370     {
 371         gtk_tree_selection_selected_foreach(
 372             selection,
 373             library_get_selected_items_iter,
 374             &items);
 375
 376         if(items)
 377             for(; items[l].id[0]; l++);
 378     };
 379
 380     *count = l;
 381     return items;
 382 };
 383
 384 int library_normalize_item(instance_t* app, playlist_item_t* item)
 385 {
 386 #if 0
 387     int r = 0;
 388     playlist_item_t* lib;
 389     playlist_item_t prev;
 390
 391     pthread_mutex_lock(&app->library.lock);
 392
 393     prev = *item;
 394
 395     lib = omnplay_library_find(app, item->id);
 396
 397     item->error = 0;
 398
 399     if(lib)
 400     {
 401         if(!item->title[0])
 402         {
 403             strcpy(item->title, lib->title);
 404             r++;
 405         };
 406
 407         if(item->in < lib->in || item->in >= (lib->in + lib->dur))
 408         {
 409             item->in = lib->in;
 410             r++;
 411         };
 412
 413         if(!item->dur || (item->in + item->dur) > (lib->in + lib->dur))
 414         {
 415             item->dur = lib->in + lib->dur - item->in;
 416             r++;
 417         };
 418
 419         if(r)
 420             g_warning("omnplay_library_normalize_item: [%s,%d,%d]->[%s,%d,%d]\n",
 421                 prev.title, prev.in, prev.dur, item->title, item->in, item->dur);
 422     }
 423     else
 424     {
 425         r = 1;
 426         item->error = PLAYLIST_ITEM_ERROR_LIB;
 427     };
 428
 429     pthread_mutex_unlock(&app->library.lock);
 430
 431     return r;
 432 #else
 433     return 0;
 434 #endif
 435 };
 436
 437 int library_relink_item(instance_t* app, playlist_item_t* item)
 438 {
 439 #if 0
 440     int r = 0;
 441     playlist_item_t* lib;
 442
 443     pthread_mutex_lock(&app->library.lock);
 444
 445     lib = omnplay_library_find(app, item->id);
 446
 447     item->error = 0;
 448
 449     if(lib)
 450     {
 451         r = 1;
 452         strcpy(item->title, lib->title);
 453         item->dur = lib->dur;
 454         item->in = lib->in;
 455     }
 456     else
 457     {
 458         r = 1;
 459         item->error = PLAYLIST_ITEM_ERROR_LIB;
 460     };
 461
 462     pthread_mutex_unlock(&app->library.lock);
 463
 464     return r;
 465 #else
 466     return 0;
 467 #endif
 468 };