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
 146 //    g_warning("on_library_row_expanded: HERE");
 147
 148     /* Set busy cursor */
 149     cursor = gdk_cursor_new(GDK_WATCH);
 150     gdk_window_set_cursor(gtk_widget_get_toplevel(GTK_WIDGET(treeview))->window, cursor);
 151     gdk_cursor_unref(cursor);
 152     gdk_flush();
 153
 154     model = gtk_tree_view_get_model(treeview);
 155
 156     /* save fake item */
 157     gtk_tree_model_iter_children(GTK_TREE_MODEL(model), &fake, iter);
 158
 159     /* request mvcp entry */
 160     gtk_tree_model_get(GTK_TREE_MODEL(model), iter,
 161         3, &e,
 162         -1);
 163
 164     /* setup root path */
 165     if(!e)
 166         p = "/";
 167     else
 168         p = e->full;
 169
 170     /* read dir */
 171     dir = mvcp_dir_init(app->library.handle[0], p);
 172     for (i = 0; i < mvcp_dir_count(dir); i++)
 173     {
 174         mvcp_dir_entry_t dir_entry;
 175         mvcp_list_entry_t *list_e = NULL, list_entry;
 176
 177         if(mvcp_ok != mvcp_dir_get(dir, i, &dir_entry))
 178             continue;
 179
 180 //        g_warning("on_library_row_expanded: path=[%s], entry.dur=[%d], entry.full=[%s], entry.name[%s]",
 181 //            p, entry.dir, entry.full, entry.name);
 182
 183         e = (mvcp_dir_entry_t*)malloc(sizeof(mvcp_dir_entry_t));
 184         *e = dir_entry;
 185
 186         if(!e->dir && mvcp_ok == mvcp_probe_clip( app->library.handle[0], e->full, &list_entry))
 187         {
 188             list_e = (mvcp_list_entry_t*)malloc(sizeof(mvcp_list_entry_t));
 189             *list_e = list_entry;
 190         };
 191
 192         library_add_item(app, GTK_TREE_STORE(model), iter, e, list_e);
 193     };
 194
 195     /* restore cursor */
 196     gdk_window_set_cursor(gtk_widget_get_toplevel(GTK_WIDGET(treeview))->window, NULL);
 197
 198     /* delete fake item */
 199     gtk_tree_store_remove(GTK_TREE_STORE(model), &fake);
 200 };
 201
 202 static void on_library_row_collapsed
 203 (
 204     GtkTreeView *treeview,
 205     GtkTreeIter *iter,
 206     GtkTreePath *path,
 207     gpointer user_data
 208 )
 209 {
 210     GtkTreeModel *model;
 211     GtkTreeIter child;
 212 //    g_warning("on_library_row_collapsed: HERE");
 213
 214     /* delete all items */
 215     model = gtk_tree_view_get_model(treeview);
 216     while (gtk_tree_model_iter_children(GTK_TREE_MODEL(model), &child, iter))
 217     {
 218         mvcp_dir_entry_t *e;
 219         mvcp_list_entry_t *l;
 220
 221         /* request mvcp entry */
 222         gtk_tree_model_get(GTK_TREE_MODEL(model), &child,
 223             3, &e,
 224             4, &l,
 225             -1);
 226
 227         /* free entry */
 228         if(e) free(e);
 229         if(l) free(l);
 230
 231         gtk_tree_store_remove(GTK_TREE_STORE(model), &child);
 232     };
 233
 234     /* add a fake element */
 235     library_add_fake(user_data, GTK_TREE_STORE(model), iter);
 236 };
 237
 238 static void library_drag_data_get_cb(GtkWidget *widget, GdkDragContext *context,
 239     GtkSelectionData *selection_data, guint info, guint time, gpointer userdata)
 240 {
 241     int c;
 242     playlist_item_t* items;
 243     instance_t* app = (instance_t*)userdata;
 244
 245     g_warning("library_drag_data_get_cb");
 246
 247     items = library_get_selected_items(app, &c);
 248
 249     /* clear item */
 250     if(items)
 251     {
 252         gtk_selection_data_set(selection_data, selection_data->target, 8,
 253             (const guchar *)items, sizeof(playlist_item_t) * c);
 254         free(items);
 255     };
 256 };
 257
 258 static void library_drag_begin_cb(GtkWidget *widget, GdkDragContext *context, gpointer userdata)
 259 {
 260     g_warning("library_drag_begin_cb");
 261     gtk_drag_source_set_icon_stock(widget, GTK_STOCK_DND);
 262 };
 263
 264
 265 void library_init(instance_t* app)
 266 {
 267     /* connect to library */
 268     app->library.handle[1] = mvcp_parser_init_remote(app->players.host, app->library.port);
 269     app->library.handle[0] = mvcp_init(app->library.handle[1]);
 270     if(mvcp_connect(app->library.handle[0]) != mvcp_ok)
 271     {
 272         g_warning("library_init: failed to connect to server %s", app->players.host);
 273         return;
 274     };
 275
 276     /* setup icons */
 277     app->library.icons[0] = create_pixbuf("Axialis_Team_playlist_open_16x16.png");
 278     app->library.icons[1] = create_pixbuf("Axialis_Team_playlist_save_16x16.png");
 279
 280     /* load lib */
 281     library_init_load(app);
 282
 283     /* allow drag source */
 284     gtk_drag_source_set(app->library_tree, GDK_BUTTON1_MASK,
 285         drag_targets, 1, (GdkDragAction)(GDK_ACTION_COPY));
 286
 287     /* set handlers */
 288     gtk_signal_connect(GTK_OBJECT(app->library_tree), "row-expanded",
 289         GTK_SIGNAL_FUNC(on_library_row_expanded), app);
 290     gtk_signal_connect(GTK_OBJECT(app->library_tree), "row-collapsed",
 291         GTK_SIGNAL_FUNC(on_library_row_collapsed), app);
 292     g_signal_connect(GTK_OBJECT(app->library_tree), "drag_data_get",
 293         G_CALLBACK(library_drag_data_get_cb), app);
 294     g_signal_connect(GTK_OBJECT(app->library_tree), "drag_begin",
 295         G_CALLBACK(library_drag_begin_cb), app);
 296
 297 };
 298
 299 static void library_get_selected_items_iter
 300 (
 301     GtkTreeModel *model,
 302     GtkTreePath *path,
 303     GtkTreeIter *iter,
 304     gpointer data
 305 )
 306 {
 307     int l;
 308     mvcp_dir_entry_t *dir;
 309     mvcp_list_entry_t *list;
 310     playlist_item_t** pitems = (playlist_item_t**)data;
 311     playlist_item_t* items = *pitems;
 312
 313     /* request pointers to list and dir entries of library items */
 314     gtk_tree_model_get(model, iter,
 315         3, &dir,
 316         4, &list,
 317         -1);
 318
 319     /* check if defined */
 320     if(dir && list)
 321     {
 322         /* allocate items */
 323         if(!items)
 324         {
 325             items = (playlist_item_t*)malloc(sizeof(playlist_item_t));
 326             memset(items, 0, sizeof(playlist_item_t));
 327         };
 328
 329         /* find numbers of items in list */
 330         for(l = 0; items[l].id[0]; l++);
 331         g_warning("library_get_selected_items_iter: l=%d", l);
 332
 333         /* realloc items */
 334         items = (playlist_item_t*)realloc(items, (l + 2) * sizeof(playlist_item_t));
 335
 336         /* clean last item */
 337         memset(&items[l + 1], 0, sizeof(playlist_item_t));
 338
 339         /* setup items */
 340         memset(&items[l + 0], 0, sizeof(playlist_item_t));
 341         strncpy(items[l].title, dir->name, PATH_MAX);
 342         strncpy(items[l].id, dir->full, PATH_MAX);
 343         items[l].dur = list->size;
 344     };
 345
 346     *pitems = items;
 347 };
 348
 349 playlist_item_t* library_get_selected_items(instance_t* app, int *count)
 350 {
 351     int l = 0;
 352     playlist_item_t* items = NULL;
 353
 354     GtkTreeSelection *selection;
 355
 356     selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(app->library_tree));
 357     if(selection)
 358     {
 359         gtk_tree_selection_selected_foreach(
 360             selection,
 361             library_get_selected_items_iter,
 362             &items);
 363
 364         if(items)
 365             for(; items[l].id[0]; l++);
 366     };
 367
 368     *count = l;
 369     return items;
 370 };
 371
 372 int library_normalize_item(instance_t* app, playlist_item_t* item)
 373 {
 374 #if 0
 375     int r = 0;
 376     playlist_item_t* lib;
 377     playlist_item_t prev;
 378
 379     pthread_mutex_lock(&app->library.lock);
 380
 381     prev = *item;
 382
 383     lib = omnplay_library_find(app, item->id);
 384
 385     item->error = 0;
 386
 387     if(lib)
 388     {
 389         if(!item->title[0])
 390         {
 391             strcpy(item->title, lib->title);
 392             r++;
 393         };
 394
 395         if(item->in < lib->in || item->in >= (lib->in + lib->dur))
 396         {
 397             item->in = lib->in;
 398             r++;
 399         };
 400
 401         if(!item->dur || (item->in + item->dur) > (lib->in + lib->dur))
 402         {
 403             item->dur = lib->in + lib->dur - item->in;
 404             r++;
 405         };
 406
 407         if(r)
 408             g_warning("omnplay_library_normalize_item: [%s,%d,%d]->[%s,%d,%d]\n",
 409                 prev.title, prev.in, prev.dur, item->title, item->in, item->dur);
 410     }
 411     else
 412     {
 413         r = 1;
 414         item->error = PLAYLIST_ITEM_ERROR_LIB;
 415     };
 416
 417     pthread_mutex_unlock(&app->library.lock);
 418
 419     return r;
 420 #else
 421     return 0;
 422 #endif
 423 };
 424
 425 int library_relink_item(instance_t* app, playlist_item_t* item)
 426 {
 427 #if 0
 428     int r = 0;
 429     playlist_item_t* lib;
 430
 431     pthread_mutex_lock(&app->library.lock);
 432
 433     lib = omnplay_library_find(app, item->id);
 434
 435     item->error = 0;
 436
 437     if(lib)
 438     {
 439         r = 1;
 440         strcpy(item->title, lib->title);
 441         item->dur = lib->dur;
 442         item->in = lib->in;
 443     }
 444     else
 445     {
 446         r = 1;
 447         item->error = PLAYLIST_ITEM_ERROR_LIB;
 448     };
 449
 450     pthread_mutex_unlock(&app->library.lock);
 451
 452     return r;
 453 #else
 454     return 0;
 455 #endif
 456 };