[disorder] / disobedience / choose-menu.c

/*
 * This file is part of DisOrder
 * Copyright (C) 2008 Richard Kettlewell
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
/** @file disobedience/choose-menu.c
 * @brief Popup menu for choose screen
 */
#include "disobedience.h"
#include "popup.h"
#include "choose.h"

static void choose_playchildren_callback(GtkTreeModel *model,
                                         GtkTreePath *path,
                                         GtkTreeIter *iter,
                                         gpointer data);
static void choose_playchildren_received(void *v,
                                         const char *err,
                                         int nvec, char **vec);
static void choose_playchildren_played(void *v,
                                       const char *err,
                                       const char *id);

/** @brief Popup menu */
static GtkWidget *choose_menu;

/** @brief Path to directory pending a "select children" operation */
static GtkTreePath *choose_eventually_select_children;

/** @brief Should edit->select all be sensitive?  No, for the choose tab. */
static int choose_selectall_sensitive(void attribute((unused)) *extra) {
  return FALSE;
}

/** @brief Activate edit->select all (which should do nothing) */
static void choose_selectall_activate(GtkMenuItem attribute((unused)) *item,
                                      gpointer attribute((unused)) userdata) {
}

/** @brief Should 'select none' be sensitive
 *
 * Yes if anything is selected.
 */
static int choose_selectnone_sensitive(void attribute((unused)) *extra) {
  return gtk_tree_selection_count_selected_rows(choose_selection) > 0;
}

/** @brief Activate select none */
static void choose_selectnone_activate(GtkMenuItem attribute((unused)) *item,
                                       gpointer attribute((unused)) userdata) {
  gtk_tree_selection_unselect_all(choose_selection);
}

static void choose_play_sensitive_callback(GtkTreeModel attribute((unused)) *model,
                                           GtkTreePath attribute((unused)) *path,
                                           GtkTreeIter *iter,
                                           gpointer data) {
  int *filesp = data;

  if(*filesp == -1)
    return;
  if(choose_is_dir(iter))
    *filesp = -1;
  else if(choose_is_file(iter))
    ++*filesp;
}

/** @brief Should 'play' be sensitive?
 *
 * Yes if tracks are selected and no directories are */
static int choose_play_sensitive(void attribute((unused)) *extra) {
  int files = 0;
  
  gtk_tree_selection_selected_foreach(choose_selection,
                                      choose_play_sensitive_callback,
                                      &files);
  return files > 0;
}

static void choose_gather_selected_files_callback(GtkTreeModel attribute((unused)) *model,
                                                  GtkTreePath attribute((unused)) *path,
                                                  GtkTreeIter *iter,
                                                  gpointer data) {
  struct vector *v = data;

  if(choose_is_file(iter))
    vector_append(v, choose_get_track(iter));
}

static void choose_gather_selected_dirs_callback(GtkTreeModel attribute((unused)) *model,
                                                 GtkTreePath attribute((unused)) *path,
                                                 GtkTreeIter *iter,
                                                 gpointer data) {
  struct vector *v = data;

  if(choose_is_dir(iter))
    vector_append(v, choose_get_track(iter));
}

  
static void choose_play_activate(GtkMenuItem attribute((unused)) *item,
                                 gpointer attribute((unused)) userdata) {
  struct vector v[1];
  vector_init(v);
  gtk_tree_selection_selected_foreach(choose_selection,
                                      choose_gather_selected_files_callback,
                                      v);
  for(int n = 0; n < v->nvec; ++n)
    disorder_eclient_play(client, choose_play_completed, v->vec[n], 0);
}
  
static int choose_properties_sensitive(void *extra) {
  return choose_play_sensitive(extra);
}
  
static void choose_properties_activate(GtkMenuItem attribute((unused)) *item,
                                       gpointer attribute((unused)) userdata) {
  struct vector v[1];
  vector_init(v);
  gtk_tree_selection_selected_foreach(choose_selection,
                                      choose_gather_selected_files_callback,
                                      v);
  properties(v->nvec, (const char **)v->vec, toplevel);
}

/** @brief Set sensitivity for select children
 *
 * Sensitive if we've selected exactly one directory.
 */
static int choose_selectchildren_sensitive(void attribute((unused)) *extra) {
  struct vector v[1];
  /* Only one thing should be selected */
  if(gtk_tree_selection_count_selected_rows(choose_selection) != 1)
    return FALSE;
  /* The selected thing should be a directory */
  vector_init(v);
  gtk_tree_selection_selected_foreach(choose_selection,
                                      choose_gather_selected_dirs_callback,
                                      v);
  return v->nvec == 1;
}

/** @brief Actually select the children of path
 *
 * We deselect everything else, too.
 */
static void choose_select_children(GtkTreePath *path) {
  GtkTreeIter iter[1], child[1];
  
  if(gtk_tree_model_get_iter(GTK_TREE_MODEL(choose_store), iter, path)) {
    gtk_tree_selection_unselect_all(choose_selection);
    for(int n = 0;
        gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(choose_store), child,
                                      iter, n);
        ++n) {
      if(choose_is_file(child))
        gtk_tree_selection_select_iter(choose_selection, child);
    }
  }
}

/** @brief Called to expand the children of path/iter */
static void choose_selectchildren_callback(GtkTreeModel attribute((unused)) *model,
                                           GtkTreePath *path,
                                           GtkTreeIter attribute((unused)) *iter,
                                           gpointer attribute((unused)) data) {
  if(gtk_tree_view_row_expanded(GTK_TREE_VIEW(choose_view), path)) {
    /* Directory is already expanded */
    choose_select_children(path);
  } else {
    /* Directory is not expanded, so expand it */
    gtk_tree_view_expand_row(GTK_TREE_VIEW(choose_view), path, FALSE/*!expand_all*/);
    /* Select its children when it's done */
    if(choose_eventually_select_children)
      gtk_tree_path_free(choose_eventually_select_children);
    choose_eventually_select_children = gtk_tree_path_copy(path);
  }
}

/** @brief Called when all pending track fetches are finished
 *
 * If there's a pending select-children operation, it can now be actioned
 * (or might have gone stale).
 */
void choose_menu_moretracks(const char attribute((unused)) *event,
                            void attribute((unused)) *eventdata,
                            void attribute((unused)) *callbackdata) {
  if(choose_eventually_select_children) {
    choose_select_children(choose_eventually_select_children);
    gtk_tree_path_free(choose_eventually_select_children);
    choose_eventually_select_children = 0;
  }
}

/** @brief Select all children
 *
 * Easy enough if the directory is already expanded, we can just select its
 * children.  However if it is not then we must expand it and _when this has
 * completed_ select its children.
 *
 * The way this is implented could cope with multiple directories but
 * choose_selectchildren_sensitive() should stop this.
 */
static void choose_selectchildren_activate
    (GtkMenuItem attribute((unused)) *item,
     gpointer attribute((unused)) userdata) {
  gtk_tree_selection_selected_foreach(choose_selection,
                                      choose_selectchildren_callback,
                                      0);
}

/** @brief Play all children */
static void choose_playchildren_activate
    (GtkMenuItem attribute((unused)) *item,
     gpointer attribute((unused)) userdata) {
  /* Only one thing is selected */
  gtk_tree_selection_selected_foreach(choose_selection,
                                      choose_playchildren_callback,
                                      0);
}

static void choose_playchildren_callback(GtkTreeModel attribute((unused)) *model,
                                         GtkTreePath *path,
                                         GtkTreeIter *iter,
                                         gpointer attribute((unused)) data) {
  /* Find the children and play them */
  disorder_eclient_files(client, choose_playchildren_received,
                         choose_get_track(iter),
                         NULL/*re*/,
                         NULL);
  /* Expand the node */
  gtk_tree_view_expand_row(GTK_TREE_VIEW(choose_view), path, FALSE);
}

static void choose_playchildren_received(void attribute((unused)) *v,
                                         const char *err,
                                         int nvec, char **vec) {
  if(err) {
    popup_protocol_error(0, err);
    return;
  }
  for(int n = 0; n < nvec; ++n)
    disorder_eclient_play(client, choose_playchildren_played, vec[n], NULL);
}

static void choose_playchildren_played(void attribute((unused)) *v,
                                       const char *err,
                                       const char attribute((unused)) *id) {
  if(err) {
    popup_protocol_error(0, err);
    return;
  }
}

/** @brief Pop-up menu for choose */
static struct menuitem choose_menuitems[] = {
  {
    "Play track",
    GTK_STOCK_MEDIA_PLAY,
    choose_play_activate,
    choose_play_sensitive,
    0,
    0
  },
  {
    "Track properties",
    GTK_STOCK_PROPERTIES,
    choose_properties_activate,
    choose_properties_sensitive,
    0,
    0
  },
  {
    "Select children",
    NULL,
    choose_selectchildren_activate,
    choose_selectchildren_sensitive,
    0,
    0
  },
  {
    "Play children",
    NULL,
    choose_playchildren_activate,
    choose_selectchildren_sensitive,    /* re-use */
    0,
    0
  },
  {
    "Deselect all tracks",
    NULL,
    choose_selectnone_activate,
    choose_selectnone_sensitive,
    0,
    0
  },
};

const struct tabtype choose_tabtype = {
  choose_properties_sensitive,
  choose_selectall_sensitive,
  choose_selectnone_sensitive,
  choose_properties_activate,
  choose_selectall_activate,
  choose_selectnone_activate,
  0,
  0
};

/** @brief Called when a mouse button is pressed or released */
gboolean choose_button_event(GtkWidget attribute((unused)) *widget,
                             GdkEventButton *event,
                             gpointer attribute((unused)) user_data) {
  if(event->type == GDK_BUTTON_RELEASE && event->button == 2) {
    /* Middle click release - play track */
    ensure_selected(GTK_TREE_VIEW(choose_view), event);
    choose_play_activate(NULL, NULL);
  } else if(event->type == GDK_BUTTON_PRESS && event->button == 3) {
    /* Right click press - pop up the menu */
    ensure_selected(GTK_TREE_VIEW(choose_view), event);
    popup(&choose_menu, event,
          choose_menuitems, sizeof choose_menuitems / sizeof *choose_menuitems,
          0);
    return TRUE;
  }
  return FALSE;
}

/*
Local Variables:
c-basic-offset:2
comment-column:40
fill-column:79
indent-tabs-mode:nil
End:
*/
Commit	Line	Data
6982880f RK	1	/*
	2	* This file is part of DisOrder
	3	* Copyright (C) 2008 Richard Kettlewell
	4	*
e7eb3a27	5	* This program is free software: you can redistribute it and/or modify
6982880f	6	* it under the terms of the GNU General Public License as published by
e7eb3a27	7	* the Free Software Foundation, either version 3 of the License, or
6982880f RK	8	* (at your option) any later version.
6982880f RK	9	*
e7eb3a27 RK	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	*
6982880f	15	* You should have received a copy of the GNU General Public License
e7eb3a27	16	* along with this program. If not, see <http://www.gnu.org/licenses/>.
6982880f	17	*/
132a5a4a RK	18	/** @file disobedience/choose-menu.c
	19	* @brief Popup menu for choose screen
	20	*/
6982880f RK	21	#include "disobedience.h"
	22	#include "popup.h"
	23	#include "choose.h"
	24
a49ece1c RK	25	static void choose_playchildren_callback(GtkTreeModel *model,
	26	GtkTreePath *path,
	27	GtkTreeIter *iter,
	28	gpointer data);
	29	static void choose_playchildren_received(void *v,
	30	const char *err,
	31	int nvec, char **vec);
ad131c25 RK	32	static void choose_playchildren_played(void *v,
	33	const char *err,
	34	const char *id);
a49ece1c	35
6982880f RK	36	/** @brief Popup menu */
	37	static GtkWidget *choose_menu;
	38
a0e78d96 RK	39	/** @brief Path to directory pending a "select children" operation */
	40	static GtkTreePath *choose_eventually_select_children;
	41
a0e78d96	42	/** @brief Should edit->select all be sensitive? No, for the choose tab. */
6982880f	43	static int choose_selectall_sensitive(void attribute((unused)) *extra) {
a0e78d96	44	return FALSE;
e8a26cdd RK	45	}
e8a26cdd RK	46
a0e78d96	47	/** @brief Activate edit->select all (which should do nothing) */
6982880f RK	48	static void choose_selectall_activate(GtkMenuItem attribute((unused)) *item,
6982880f RK	49	gpointer attribute((unused)) userdata) {
6982880f	50	}
a98fd571 RK	51
	52	/** @brief Should 'select none' be sensitive
	53	*
	54	* Yes if anything is selected.
	55	*/
6982880f RK	56	static int choose_selectnone_sensitive(void attribute((unused)) *extra) {
	57	return gtk_tree_selection_count_selected_rows(choose_selection) > 0;
	58	}
a98fd571 RK	59
a98fd571 RK	60	/** @brief Activate select none */
6982880f RK	61	static void choose_selectnone_activate(GtkMenuItem attribute((unused)) *item,
	62	gpointer attribute((unused)) userdata) {
	63	gtk_tree_selection_unselect_all(choose_selection);
	64	}
a98fd571 RK	65
	66	static void choose_play_sensitive_callback(GtkTreeModel attribute((unused)) *model,
	67	GtkTreePath attribute((unused)) *path,
	68	GtkTreeIter *iter,
	69	gpointer data) {
	70	int *filesp = data;
	71
	72	if(*filesp == -1)
	73	return;
	74	if(choose_is_dir(iter))
	75	*filesp = -1;
	76	else if(choose_is_file(iter))
	77	++*filesp;
	78	}
	79
	80	/** @brief Should 'play' be sensitive?
	81	*
	82	* Yes if tracks are selected and no directories are */
6982880f	83	static int choose_play_sensitive(void attribute((unused)) *extra) {
a98fd571 RK	84	int files = 0;
	85
	86	gtk_tree_selection_selected_foreach(choose_selection,
	87	choose_play_sensitive_callback,
	88	&files);
	89	return files > 0;
487f69b2	90	}
a98fd571 RK	91
	92	static void choose_gather_selected_files_callback(GtkTreeModel attribute((unused)) *model,
	93	GtkTreePath attribute((unused)) *path,
	94	GtkTreeIter *iter,
	95	gpointer data) {
	96	struct vector *v = data;
	97
	98	if(choose_is_file(iter))
	99	vector_append(v, choose_get_track(iter));
	100	}
	101
a0e78d96 RK	102	static void choose_gather_selected_dirs_callback(GtkTreeModel attribute((unused)) *model,
	103	GtkTreePath attribute((unused)) *path,
	104	GtkTreeIter *iter,
	105	gpointer data) {
	106	struct vector *v = data;
	107
	108	if(choose_is_dir(iter))
	109	vector_append(v, choose_get_track(iter));
	110	}
	111
6982880f RK	112
	113	static void choose_play_activate(GtkMenuItem attribute((unused)) *item,
	114	gpointer attribute((unused)) userdata) {
a98fd571 RK	115	struct vector v[1];
	116	vector_init(v);
	117	gtk_tree_selection_selected_foreach(choose_selection,
	118	choose_gather_selected_files_callback,
	119	v);
	120	for(int n = 0; n < v->nvec; ++n)
ad131c25	121	disorder_eclient_play(client, choose_play_completed, v->vec[n], 0);
6982880f RK	122	}
6982880f RK	123
487f69b2 RK	124	static int choose_properties_sensitive(void *extra) {
487f69b2 RK	125	return choose_play_sensitive(extra);
6982880f RK	126	}
	127
	128	static void choose_properties_activate(GtkMenuItem attribute((unused)) *item,
	129	gpointer attribute((unused)) userdata) {
487f69b2 RK	130	struct vector v[1];
487f69b2 RK	131	vector_init(v);
a98fd571 RK	132	gtk_tree_selection_selected_foreach(choose_selection,
	133	choose_gather_selected_files_callback,
	134	v);
d8b71e03	135	properties(v->nvec, (const char **)v->vec, toplevel);
6982880f RK	136	}
6982880f RK	137
a0e78d96 RK	138	/** @brief Set sensitivity for select children
	139	*
	140	* Sensitive if we've selected exactly one directory.
	141	*/
	142	static int choose_selectchildren_sensitive(void attribute((unused)) *extra) {
	143	struct vector v[1];
	144	/* Only one thing should be selected */
	145	if(gtk_tree_selection_count_selected_rows(choose_selection) != 1)
	146	return FALSE;
	147	/* The selected thing should be a directory */
	148	vector_init(v);
	149	gtk_tree_selection_selected_foreach(choose_selection,
	150	choose_gather_selected_dirs_callback,
	151	v);
	152	return v->nvec == 1;
	153	}
	154
	155	/** @brief Actually select the children of path
	156	*
	157	* We deselect everything else, too.
	158	*/
	159	static void choose_select_children(GtkTreePath *path) {
	160	GtkTreeIter iter[1], child[1];
	161
	162	if(gtk_tree_model_get_iter(GTK_TREE_MODEL(choose_store), iter, path)) {
	163	gtk_tree_selection_unselect_all(choose_selection);
	164	for(int n = 0;
	165	gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(choose_store), child,
	166	iter, n);
	167	++n) {
	168	if(choose_is_file(child))
	169	gtk_tree_selection_select_iter(choose_selection, child);
	170	}
	171	}
	172	}
	173
	174	/** @brief Called to expand the children of path/iter */
	175	static void choose_selectchildren_callback(GtkTreeModel attribute((unused)) *model,
	176	GtkTreePath *path,
	177	GtkTreeIter attribute((unused)) *iter,
	178	gpointer attribute((unused)) data) {
	179	if(gtk_tree_view_row_expanded(GTK_TREE_VIEW(choose_view), path)) {
	180	/* Directory is already expanded */
	181	choose_select_children(path);
	182	} else {
	183	/* Directory is not expanded, so expand it */
	184	gtk_tree_view_expand_row(GTK_TREE_VIEW(choose_view), path, FALSE/!expand_all/);
	185	/* Select its children when it's done */
	186	if(choose_eventually_select_children)
	187	gtk_tree_path_free(choose_eventually_select_children);
	188	choose_eventually_select_children = gtk_tree_path_copy(path);
	189	}
	190	}
	191
	192	/** @brief Called when all pending track fetches are finished
	193	*
	194	* If there's a pending select-children operation, it can now be actioned
	195	* (or might have gone stale).
	196	*/
	197	void choose_menu_moretracks(const char attribute((unused)) *event,
	198	void attribute((unused)) *eventdata,
	199	void attribute((unused)) *callbackdata) {
	200	if(choose_eventually_select_children) {
	201	choose_select_children(choose_eventually_select_children);
202	gtk_tree_path_free(choose_eventually_select_children);
203	choose_eventually_select_children = 0;
204	}
205	}
206
207	/** @brief Select all children
208	*
209	* Easy enough if the directory is already expanded, we can just select its
210	* children. However if it is not then we must expand it and _when this has
211	* completed_ select its children.
212	*
213	* The way this is implented could cope with multiple directories but
214	* choose_selectchildren_sensitive() should stop this.
215	*/
216	static void choose_selectchildren_activate
217	(GtkMenuItem attribute((unused)) *item,
218	gpointer attribute((unused)) userdata) {
219	gtk_tree_selection_selected_foreach(choose_selection,
220	choose_selectchildren_callback,
221	0);
222	}
223
a49ece1c RK	224	/** @brief Play all children */
	225	static void choose_playchildren_activate
	226	(GtkMenuItem attribute((unused)) *item,
	227	gpointer attribute((unused)) userdata) {
	228	/* Only one thing is selected */
	229	gtk_tree_selection_selected_foreach(choose_selection,
	230	choose_playchildren_callback,
	231	0);
	232	}
	233
	234	static void choose_playchildren_callback(GtkTreeModel attribute((unused)) *model,
	235	GtkTreePath *path,
	236	GtkTreeIter *iter,
	237	gpointer attribute((unused)) data) {
	238	/* Find the children and play them */
	239	disorder_eclient_files(client, choose_playchildren_received,
	240	choose_get_track(iter),
	241	NULL/re/,
	242	NULL);
	243	/* Expand the node */
	244	gtk_tree_view_expand_row(GTK_TREE_VIEW(choose_view), path, FALSE);
	245	}
	246
	247	static void choose_playchildren_received(void attribute((unused)) *v,
	248	const char *err,
	249	int nvec, char **vec) {
	250	if(err) {
	251	popup_protocol_error(0, err);
	252	return;
	253	}
	254	for(int n = 0; n < nvec; ++n)
ad131c25	255	disorder_eclient_play(client, choose_playchildren_played, vec[n], NULL);
a49ece1c RK	256	}
	257
	258	static void choose_playchildren_played(void attribute((unused)) *v,
ad131c25 RK	259	const char *err,
ad131c25 RK	260	const char attribute((unused)) *id) {
a49ece1c RK	261	if(err) {
	262	popup_protocol_error(0, err);
	263	return;
	264	}
	265	}
	266
6982880f RK	267	/** @brief Pop-up menu for choose */
	268	static struct menuitem choose_menuitems[] = {
	269	{
	270	"Play track",
ba6f3dd4	271	GTK_STOCK_MEDIA_PLAY,
6982880f RK	272	choose_play_activate,
	273	choose_play_sensitive,
	274	0,
	275	0
	276	},
	277	{
	278	"Track properties",
ba6f3dd4	279	GTK_STOCK_PROPERTIES,
6982880f RK	280	choose_properties_activate,
	281	choose_properties_sensitive,
	282	0,
	283	0
	284	},
	285	{
a0e78d96	286	"Select children",
ba6f3dd4	287	NULL,
a0e78d96 RK	288	choose_selectchildren_activate,
a0e78d96 RK	289	choose_selectchildren_sensitive,
6982880f RK	290	0,
	291	0
	292	},
a49ece1c RK	293	{
a49ece1c RK	294	"Play children",
ba6f3dd4	295	NULL,
a49ece1c RK	296	choose_playchildren_activate,
	297	choose_selectchildren_sensitive, /* re-use */
	298	0,
	299	0
	300	},
6982880f RK	301	{
6982880f RK	302	"Deselect all tracks",
ba6f3dd4	303	NULL,
6982880f RK	304	choose_selectnone_activate,
	305	choose_selectnone_sensitive,
	306	0,
	307	0
	308	},
	309	};
	310
	311	const struct tabtype choose_tabtype = {
	312	choose_properties_sensitive,
	313	choose_selectall_sensitive,
	314	choose_selectnone_sensitive,
	315	choose_properties_activate,
	316	choose_selectall_activate,
	317	choose_selectnone_activate,
	318	0,
	319	0
	320	};
	321
	322	/** @brief Called when a mouse button is pressed or released */
	323	gboolean choose_button_event(GtkWidget attribute((unused)) *widget,
	324	GdkEventButton *event,
	325	gpointer attribute((unused)) user_data) {
	326	if(event->type == GDK_BUTTON_RELEASE && event->button == 2) {
	327	/* Middle click release - play track */
487f69b2 RK	328	ensure_selected(GTK_TREE_VIEW(choose_view), event);
487f69b2 RK	329	choose_play_activate(NULL, NULL);
6982880f RK	330	} else if(event->type == GDK_BUTTON_PRESS && event->button == 3) {
	331	/* Right click press - pop up the menu */
	332	ensure_selected(GTK_TREE_VIEW(choose_view), event);
	333	popup(&choose_menu, event,
	334	choose_menuitems, sizeof choose_menuitems / sizeof *choose_menuitems,
	335	0);
	336	return TRUE;
	337	}
	338	return FALSE;
	339	}
	340
	341	/*
	342	Local Variables:
	343	c-basic-offset:2
	344	comment-column:40
	345	fill-column:79
	346	indent-tabs-mode:nil
	347	End:
	348	*/