/* A Gui in gtk+ for MuSE - Multiple Streaming Engine
 * Copyright (C) 2002-2004 nightolo <night@autistici.org>
 *
 * This source code is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Public License as published 
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * This source code 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.
 * Please refer to the GNU Public License for more details.
 *
 * You should have received a copy of the GNU Public License along with
 * this source code; if not, write to:
 * Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <stdlib.h>
#include <gtk/gtk.h>
#include <jutils.h>

#include <gen.h>
#include <gchan.h>
#include <gchan_events.h>
#include <listpack.h>

#include <jmixer.h>
#include <config.h>

		     
void gcb_event_pause_channel(GtkWidget *w, GdkEventButton *s, struct gchan *o)
{
	if(o->channel != 1)
		return;
	
	gcb_pause_channel(w, o);
}

gboolean gcb_event_set_position(GtkWidget *w, GdkEventButton *s, struct gchan *o)
{
	float position;

	if(o->channel != 1) {
		/* get your hands off! */
		gtk_adjustment_set_value(GTK_ADJUSTMENT(o->adjprog), 0.0);
		return FALSE;
	}
	// gtk_adjustment_changed(GTK_ADJUSTMENT(o->adjprog)); just a try..
	position=GTK_ADJUSTMENT(o->adjprog)->value;
	mixer->set_position(o->idx-1, position);
	/* muse-core will play channel with set_position */	
	return FALSE;
}

/* drag'n'drop stuff */

void DND_begin(GtkWidget *w, GdkDragContext *dc, struct gchan *o)
{
	/* if we don't lock set_channel into DND operation we'll get 
	 * wrong song position */
	dndlock = TRUE;
	dndch = o->idx; 

	func("drag_begin");
	
}

void DND_end(GtkWidget *w, GdkDragContext *dc, struct gchan *o)
{
	/* release lock, good work boy :) */
	dndlock = FALSE;
	
	dndch = 0;
	func("drag_end");
}

gboolean DND_data_motion(GtkWidget *w, GdkDragContext *dc, gint x, gint y,
				guint t, struct gchan *o)
{
	gdk_drag_status(dc, GDK_ACTION_MOVE, t);
	//	func("drag_data_motion");
	return FALSE;
}

gboolean DND_data_get(GtkWidget *w, GdkDragContext *dc, 
				GtkSelectionData *selection, guint info, struct gchan *o)
{
	func("DND_data_get, it isn't needed");
	gtk_selection_data_set(selection, GDK_SELECTION_TYPE_STRING,
					8, (guchar *) "fuco", strlen("fuco"));
	return TRUE;
}

void DND_data_received(GtkWidget *w, GdkDragContext *dc, gint x, gint y,
				GtkSelectionData *selection, guint info, guint t,
				struct gchan *o)
{
	GtkTreeIter iter, itersrc;
	GtkTreeModel *model, *modelsrc;
	GtkTreePath *path, *pathsrc;
	GtkTreeSelection *selectsrc;
	GtkWidget *source;
	gint row=0, rowsrc=0;
	gchar *title;
	GList *rowlist, *titlelist;

	
	/* <federico> nightolo: if gtk_drag_get_source_widget(drag_context) returns NULL, it comes from another process
	 * tnx to #gtk+ :) 
	 */
	func("DND_data_received");	
	if( !(source = gtk_drag_get_source_widget(dc)) ) {
		func("DND_data_received:error, no source");
		return;
	}
	func("source = %p info %d", source, info);
	
	model = gtk_tree_view_get_model(GTK_TREE_VIEW(w));
	modelsrc = gtk_tree_view_get_model(GTK_TREE_VIEW(source));
	selectsrc = gtk_tree_view_get_selection(GTK_TREE_VIEW(source));
	rowlist = gtk_tree_selection_get_selected_rows(selectsrc, &modelsrc);
	titlelist = NULL;
	
	rowlist = g_list_first(rowlist);
	if(rowlist->data) {
		rowsrc = gtk_tree_path_get_indices((GtkTreePath *)rowlist->data)[0];
		while(rowlist && rowlist->data) {
			gtk_tree_model_get_iter(modelsrc, &itersrc, (GtkTreePath *)rowlist->data);
			gtk_tree_model_get(modelsrc, &itersrc, TITLE, &title, -1);
			
			titlelist = g_list_append(titlelist, (void *) title);
			rowlist = g_list_next(rowlist);
	//		gtk_tree_path_free((GtkTreePath *)rowlist->data);

		}
		func("DND_data_received I part -> ok");
	} else
		return;
	
	
	if(gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(w),
				x, y, &path, NULL, NULL, NULL)) {
		row = gtk_tree_path_get_indices(path)[0];
		func("GTKGUI2::DND_data_received row = %d", row);
		gtk_tree_path_free(path);
	}
	
/*	if(!source && (info == DRAG_TAR_INFO_1 || info == DRAG_TAR_INFO_0)) {
		func("I got text/uri");
		mixer->add_to_playlist(o->idx-1, title);
	} else {*/
	func("dndch = %d rowsrc = %d row = %d", dndch-1, rowsrc+1, row+1);
	
	rowlist = g_list_first(rowlist);
	for(; titlelist != NULL; row++ && rowsrc++) {
		func("riga %d", row);
		gtk_list_store_insert(GTK_LIST_STORE(model), &iter, row);
		gtk_list_store_set(GTK_LIST_STORE(model), &iter,
						TITLE, titlelist->data, -1);

		mixer->move_song(dndch-1, rowsrc+1, o->idx-1, row+1);
		titlelist = g_list_next(titlelist);		
	}
	//}
	
	func("drag_data_received");
}

void DND_data_delete(GtkWidget *w, GdkDragContext *dc, struct gchan *o)
{
	GtkTreeIter iter;
	GtkTreeModel *model;
	GtkTreeSelection *select;
	GtkTreePath *path;
	GtkTreeRowReference *ref;
	gint row;
	GList *pathlist, *reflist;
	
	select = gtk_tree_view_get_selection(GTK_TREE_VIEW(w));
	pathlist = gtk_tree_selection_get_selected_rows(select, &model);
	reflist = NULL;
	
	while(pathlist) {
		ref = gtk_tree_row_reference_new(model, (GtkTreePath *)pathlist->data);
		reflist = g_list_append(reflist, (void *) ref);
		pathlist = g_list_next(pathlist);
	}
	reflist = g_list_first(reflist);
	while(reflist) {
		path = gtk_tree_row_reference_get_path((GtkTreeRowReference *)reflist->data);
		row = gtk_tree_path_get_indices(path)[0];
		if(gtk_tree_model_get_iter(model, &iter, path)) {
		  //			notice("removed %d", row);
			gtk_list_store_remove(GTK_LIST_STORE(model), &iter);
		}
		gtk_tree_path_free(path);
		reflist = g_list_next(reflist);

	}
	
	func("drag_data_delete");
}

/* end */

gboolean gcb_event_view_popup(GtkWidget *w, GdkEventButton *s, struct gchan *o)
{
	GtkWidget *tmpwid;
	GtkWidget *menupop = gtk_menu_new();
	GtkTreeSelection *select;
	GtkTreePath *path;
	gint *row = NULL;
	
	if(s->button == 3) {
		/*select = gtk_tree_view_get_selection(GTK_TREE_VIEW(w));
		if(gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(w), 
				(gint) s->x, (gint) s->y,
				&path, NULL, NULL, NULL)) {
			gtk_tree_selection_unselect_all(select);
			
			gtk_tree_selection_select_path(select, path);
			
			if((row = gtk_tree_path_get_indices(path)))
				act(_("il row e' %d"), row[0]);
			gtk_tree_path_free(path);
		}
		*/
		tmpwid = gtk_menu_item_new_with_label(_("Add File..."));
		g_signal_connect(G_OBJECT(tmpwid), "activate",
				G_CALLBACK(spawnfilew), o);
		gtk_menu_append(GTK_MENU(menupop), tmpwid);

		tmpwid = gtk_menu_item_new_with_label(_("Add Url..."));
		g_signal_connect(G_OBJECT(tmpwid), "activate",
				G_CALLBACK(httpwin), o);
		gtk_menu_append(GTK_MENU(menupop), tmpwid);
		
//		if(row) {
			tmpwid = gtk_menu_item_new_with_label(_("Delete"));
			g_signal_connect(G_OBJECT(tmpwid), "activate",
					G_CALLBACK(gcb_rem_from_playlist), 
					o);
			gtk_menu_append(GTK_MENU(menupop), tmpwid);
//		}
		
		tmpwid = gtk_menu_item_new_with_label(_("Cancel"));
		g_signal_connect(G_OBJECT(tmpwid), "activate",
				G_CALLBACK(gtk_widget_destroy), NULL);
		gtk_menu_append(GTK_MENU(menupop), tmpwid);

		g_signal_connect(G_OBJECT(menupop), "selection-done",
				G_CALLBACK(gtk_widget_destroy), menupop);
		gtk_menu_popup(GTK_MENU(menupop), NULL, NULL, NULL, NULL,
				s->button, s->time);
		
		gtk_widget_show_all(menupop);
		return TRUE;
	}
	if(s->type == GDK_2BUTTON_PRESS || s->type == GDK_3BUTTON_PRESS) {
		gcb_stop_channel(w, o);
		gcb_play_channel(w, o);
		return TRUE;
	}
	return FALSE;
	
}