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         if(!e->dir && mvcp_ok == mvcp_probe_clip( app->library.handle[0], e->full, &list_entry))
 191         {
 192             list_e = (mvcp_list_entry_t*)malloc(sizeof(mvcp_list_entry_t));
 193             *list_e = list_entry;
 194         };
 195
 196         library_add_item(app, GTK_TREE_STORE(model), iter, e, list_e);
 197     };
 198
 199     snprintf(msg, sizeof(msg), "read [%s] done", p);
 200     ui_set_status(app, msg, 0);
 201
 202     /* restore cursor */
 203     gdk_window_set_cursor(gtk_widget_get_toplevel(GTK_WIDGET(treeview))->window, NULL);
 204
 205     /* delete fake item */
 206     gtk_tree_store_remove(GTK_TREE_STORE(model), &fake);
 207 };
 208
 209 static void on_library_row_collapsed
 210 (
 211     GtkTreeView *treeview,
 212     GtkTreeIter *iter,
 213     GtkTreePath *path,
 214     gpointer user_data
 215 )
 216 {
 217     GtkTreeModel *model;
 218     GtkTreeIter child;
 219 //    g_warning("on_library_row_collapsed: HERE");
 220
 221     /* delete all items */
 222     model = gtk_tree_view_get_model(treeview);
 223     while (gtk_tree_model_iter_children(GTK_TREE_MODEL(model), &child, iter))
 224     {
 225         mvcp_dir_entry_t *e;
 226         mvcp_list_entry_t *l;
 227
 228         /* request mvcp entry */
 229         gtk_tree_model_get(GTK_TREE_MODEL(model), &child,
 230             3, &e,
 231             4, &l,
 232             -1);
 233
 234         /* free entry */
 235         if(e) free(e);
 236         if(l) free(l);
 237
 238         gtk_tree_store_remove(GTK_TREE_STORE(model), &child);
 239     };
 240
 241     /* add a fake element */
 242     library_add_fake(user_data, GTK_TREE_STORE(model), iter);
 243 };
 244
 245 static void library_drag_data_get_cb(GtkWidget *widget, GdkDragContext *context,
 246     GtkSelectionData *selection_data, guint info, guint time, gpointer userdata)
 247 {
 248     int c;
 249     playlist_item_t* items;
 250     instance_t* app = (instance_t*)userdata;
 251
 252     g_warning("library_drag_data_get_cb");
 253
 254     items = library_get_selected_items(app, &c);
 255
 256     /* clear item */
 257     if(items)
 258     {
 259         gtk_selection_data_set(selection_data, selection_data->target, 8,
 260             (const guchar *)items, sizeof(playlist_item_t) * c);
 261         free(items);
 262     };
 263 };
 264
 265 static void library_drag_begin_cb(GtkWidget *widget, GdkDragContext *context, gpointer userdata)
 266 {
 267     g_warning("library_drag_begin_cb");
 268     gtk_drag_source_set_icon_stock(widget, GTK_STOCK_DND);
 269 };
 270
 271
 272 void library_init(instance_t* app)
 273 {
 274     /* connect to library */
 275     app->library.handle[1] = mvcp_parser_init_remote(app->players.host, app->library.port);
 276     app->library.handle[0] = mvcp_init(app->library.handle[1]);
 277     if(mvcp_connect(app->library.handle[0]) != mvcp_ok)
 278     {
 279         g_warning("library_init: failed to connect to server %s:%d",
 280             app->players.host, app->library.port);
 281         return;
 282     };
 283
 284     /* setup icons */
 285     app->library.icons[0] = create_pixbuf("Axialis_Team_playlist_open_16x16.png");
 286     app->library.icons[1] = create_pixbuf("Axialis_Team_playlist_save_16x16.png");
 287
 288     /* load lib */
 289     library_init_load(app);
 290
 291     /* allow drag source */
 292     gtk_drag_source_set(app->library_tree, GDK_BUTTON1_MASK,
 293         drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY));
 294
 295     /* set handlers */
 296     gtk_signal_connect(GTK_OBJECT(app->library_tree), "row-expanded",
 297         GTK_SIGNAL_FUNC(on_library_row_expanded), app);
 298     gtk_signal_connect(GTK_OBJECT(app->library_tree), "row-collapsed",
 299         GTK_SIGNAL_FUNC(on_library_row_collapsed), app);
 300     g_signal_connect(GTK_OBJECT(app->library_tree), "drag_data_get",
 301         G_CALLBACK(library_drag_data_get_cb), app);
 302     g_signal_connect(GTK_OBJECT(app->library_tree), "drag_begin",
 303         G_CALLBACK(library_drag_begin_cb), app);
 304
 305 };
 306
 307 static void library_get_selected_items_iter
 308 (
 309     GtkTreeModel *model,
 310     GtkTreePath *path,
 311     GtkTreeIter *iter,
 312     gpointer data
 313 )
 314 {
 315     int l;
 316     mvcp_dir_entry_t *dir;
 317     mvcp_list_entry_t *list;
 318     playlist_item_t** pitems = (playlist_item_t**)data;
 319     playlist_item_t* items = *pitems;
 320
 321     /* request pointers to list and dir entries of library items */
 322     gtk_tree_model_get(model, iter,
 323         3, &dir,
 324         4, &list,
 325         -1);
 326
 327     /* check if defined */
 328     if(dir && list)
 329     {
 330         /* allocate items */
 331         if(!items)
 332         {
 333             items = (playlist_item_t*)malloc(sizeof(playlist_item_t));
 334             memset(items, 0, sizeof(playlist_item_t));
 335         };
 336
 337         /* find numbers of items in list */
 338         for(l = 0; items[l].id[0]; l++);
 339         g_warning("library_get_selected_items_iter: l=%d", l);
 340
 341         /* realloc items */
 342         items = (playlist_item_t*)realloc(items, (l + 2) * sizeof(playlist_item_t));
 343
 344         /* clean last item */
 345         memset(&items[l + 1], 0, sizeof(playlist_item_t));
 346
 347         /* setup items */
 348         memset(&items[l + 0], 0, sizeof(playlist_item_t));
 349         strncpy(items[l].title, dir->name, PATH_MAX);
 350         strncpy(items[l].id, dir->full, PATH_MAX);
 351         items[l].dur = list->size;
 352     };
 353
 354     *pitems = items;
 355 };
 356
 357 playlist_item_t* library_get_selected_items(instance_t* app, int *count)
 358 {
 359     int l = 0;
 360     playlist_item_t* items = NULL;
 361
 362     GtkTreeSelection *selection;
 363
 364     selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(app->library_tree));
 365     if(selection)
 366     {
 367         gtk_tree_selection_selected_foreach(
 368             selection,
 369             library_get_selected_items_iter,
 370             &items);
 371
 372         if(items)
 373             for(; items[l].id[0]; l++);
 374     };
 375
 376     *count = l;
 377     return items;
 378 };
 379
 380 int library_normalize_item(instance_t* app, playlist_item_t* item)
 381 {
 382 #if 0
 383     int r = 0;
 384     playlist_item_t* lib;
 385     playlist_item_t prev;
 386
 387     pthread_mutex_lock(&app->library.lock);
 388
 389     prev = *item;
 390
 391     lib = omnplay_library_find(app, item->id);
 392
 393     item->error = 0;
 394
 395     if(lib)
 396     {
 397         if(!item->title[0])
 398         {
 399             strcpy(item->title, lib->title);
 400             r++;
 401         };
 402
 403         if(item->in < lib->in || item->in >= (lib->in + lib->dur))
 404         {
 405             item->in = lib->in;
 406             r++;
 407         };
 408
 409         if(!item->dur || (item->in + item->dur) > (lib->in + lib->dur))
 410         {
 411             item->dur = lib->in + lib->dur - item->in;
 412             r++;
 413         };
 414
 415         if(r)
 416             g_warning("omnplay_library_normalize_item: [%s,%d,%d]->[%s,%d,%d]\n",
 417                 prev.title, prev.in, prev.dur, item->title, item->in, item->dur);
 418     }
 419     else
 420     {
 421         r = 1;
 422         item->error = PLAYLIST_ITEM_ERROR_LIB;
 423     };
 424
 425     pthread_mutex_unlock(&app->library.lock);
 426
 427     return r;
 428 #else
 429     return 0;
 430 #endif
 431 };
 432
 433 int library_relink_item(instance_t* app, playlist_item_t* item)
 434 {
 435 #if 0
 436     int r = 0;
 437     playlist_item_t* lib;
 438
 439     pthread_mutex_lock(&app->library.lock);
 440
 441     lib = omnplay_library_find(app, item->id);
 442
 443     item->error = 0;
 444
 445     if(lib)
 446     {
 447         r = 1;
 448         strcpy(item->title, lib->title);
 449         item->dur = lib->dur;
 450         item->in = lib->in;
 451     }
 452     else
 453     {
 454         r = 1;
 455         item->error = PLAYLIST_ITEM_ERROR_LIB;
 456     };
 457
 458     pthread_mutex_unlock(&app->library.lock);
 459
 460     return r;
 461 #else
 462     return 0;
 463 #endif
 464 };