gnoemoe/gnoemoe/dialogs/gm-world-properties-dialog.c

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>

#include <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>

#include "gm-world-properties-dialog.h"
#include "gm-triggers-dialog.h"
#include "../gm-triggers.h"
#include "../gm-support.h"
#include "../gm-app.h"
#include "../gm-debug.h"
#include "../gm-options.h"
#include "../gm-pixbuf.h"

typedef struct _GmWorldPropertiesDialog {
	GtkWidget *dialog;
	GtkWidget *combo_box_charset;
	GtkWidget *tree_view_triggers;
	
	GladeXML *xml;
	GmWorld *world;
	gboolean is_new;
	
	gulong handler_id;
} GmWorldPropertiesDialog;

static const encoding encodings[] = {
  {"ISO-8859-1", N_("Western")},
  {"ISO-8859-2", N_("Central European")},
  {"ISO-8859-3", N_("South European")},
  {"ISO-8859-4", N_("Baltic")},
  {"ISO-8859-5", N_("Cyrillic")},
  {"ISO-8859-6", N_("Arabic")},
  {"ISO-8859-7", N_("Greek")},
  {"ISO-8859-8", N_("Hebrew Visual")},
  {"ISO-8859-8-I", N_("Hebrew")},
  {"ISO-8859-9", N_("Turkish")},
  {"ISO-8859-10", N_("Nordic")},
  {"ISO-8859-13", N_("Baltic")},
  {"ISO-8859-14", N_("Celtic")},
  {"ISO-8859-15", N_("Western")},
  {"ISO-8859-16", N_("Romanian")},
  {"UTF-7", N_("Unicode")},
  {"UTF-8", N_("Unicode")},
  {"UTF-16", N_("Unicode")},
  {"UCS-2", N_("Unicode")},
  {"UCS-4", N_("Unicode")},
  {"ARMSCII-8", N_("Armenian")},
  {"BIG5", N_("Chinese Traditional")},
  {"BIG5-HKSCS", N_("Chinese Traditional")},
  {"CP866", N_("Cyrillic/Russian")},

  {"EUC-JP", N_("Japanese")},
  {"EUC-KR", N_("Korean")},
  {"EUC-TW", N_("Chinese Traditional")},
  {"GB18030", N_("Chinese Simplified")},
  {"GB2312", N_("Chinese Simplified")},
  {"GBK", N_("Chinese Simplified")},
  {"GEORGIAN-ACADEMY", N_("Georgian")},
  {"HZ", N_("Chinese Simplified")},

  {"IBM850", N_("Western")},
  {"IBM852", N_("Central European")},
  {"IBM855", N_("Cyrillic")},
  {"IBM857", N_("Turkish")},
  {"IBM862", N_("Hebrew")},
  {"IBM864", N_("Arabic")},

  {"ISO-2022-JP", N_("Japanese")},
  {"ISO-2022-KR", N_("Korean")},
  {"ISO-IR-111", N_("Cyrillic")},
  {"JOHAB", N_("Korean")},
  {"KOI8R", N_("Cyrillic")},
  {"KOI8-R", N_("Cyrillic")},
  {"KOI8U", N_("Cyrillic/Ukrainian")},

  {"SHIFT_JIS", N_("Japanese")},
  {"TCVN", N_("Vietnamese")},
  {"TIS-620", N_("Thai")},
  {"UHC", N_("Korean")},
  {"VISCII", N_("Vietnamese")},

  {"WINDOWS-1250", N_("Central European")},
  {"WINDOWS-1251", N_("Cyrillic")},
  {"WINDOWS-1252", N_("Western")},
  {"WINDOWS-1253", N_("Greek")},
  {"WINDOWS-1254", N_("Turkish")},
  {"WINDOWS-1255", N_("Hebrew")},
  {"WINDOWS-1256", N_("Arabic")},
  {"WINDOWS-1257", N_("Baltic")},
  {"WINDOWS-1258", N_("Vietnamese")}
};

static GList *gm_world_properties_dialog_open = NULL;

void gm_world_properties_dialog_run_dialog(GmWorldPropertiesDialog *properties);

void on_button_add_trigger_clicked(GtkButton *button, 
		GmWorldPropertiesDialog *properties);
void on_button_edit_trigger_clicked(GtkButton *button, 
		GmWorldPropertiesDialog *properties);
void on_button_delete_trigger_clicked(GtkButton *button, 
		GmWorldPropertiesDialog *properties);
void on_tree_view_triggers_row_activated(GtkTreeView *treeview, 
		GtkTreePath *arg1, GtkTreeViewColumn *arg2, 
		GmWorldPropertiesDialog *properties);
void on_gm_world_properties_dialog_app_world_removed(GmApp *app, GmWorld *world, 
		GmWorldPropertiesDialog *properties);

void on_gm_world_properties_dialog_response(GtkDialog *dialog, gint response, 
		GmWorldPropertiesDialog *properties);

GtkWidget *
gm_world_properties_dialog_widget(GmWorldPropertiesDialog *properties, 
		gchar *name) {
	return glade_xml_get_widget(properties->xml, name);
}

void
gm_world_properties_dialog_populate_charsets(
		GmWorldPropertiesDialog *properties) {
	int i;
	const gchar *select = gm_options_get(gm_world_options(properties->world), 
			"charset");
	gchar text[255];
	GtkListStore *store;
	GtkComboBoxEntry *combo = GTK_COMBO_BOX_ENTRY(properties->combo_box_charset);
	store = gtk_list_store_new(1, G_TYPE_STRING);
	gtk_combo_box_set_model(GTK_COMBO_BOX(combo), GTK_TREE_MODEL(store));
	gtk_combo_box_entry_set_text_column(combo, 0);
               
	for (i = 0; i < (int)(sizeof(encodings) / sizeof(encoding)); i++) {
		sprintf(text, "%s - %s", encodings[i].charset, _(encodings[i].name));
		gtk_combo_box_append_text(GTK_COMBO_BOX(combo), text);
    
		if (strcasecmp(encodings[i].charset, select) == 0) {
			gtk_entry_set_text(GTK_ENTRY(GTK_BIN(combo)->child), text);
		}
	}
}

void
gm_world_properties_dialog_remove_trigger(GmWorldPropertiesDialog *properties, 
		GtkTreeIter *iter) {
	GtkTreeView *tree_view = GTK_TREE_VIEW(properties->tree_view_triggers);
	GtkListStore *store = GTK_LIST_STORE(gtk_tree_view_get_model(tree_view));
  
	gtk_list_store_remove(store, iter);
  
	if (gtk_tree_model_iter_n_children(GTK_TREE_MODEL(store), NULL) == 0) {
		gtk_widget_set_sensitive(gm_world_properties_dialog_widget(properties, 
				"button_edit_trigger"), FALSE);
		gtk_widget_set_sensitive(gm_world_properties_dialog_widget(properties, 
				"button_delete_trigger"), FALSE);
	}
}

void
gm_world_properties_dialog_update_trigger(GmWorldPropertiesDialog *properties, 
		GtkTreeIter *iter, GmTrigger *t) {
	GtkTreeView *tree_view = GTK_TREE_VIEW(properties->tree_view_triggers);
	GtkListStore *store = GTK_LIST_STORE(gtk_tree_view_get_model(tree_view));
	gchar *text;

	text = g_strdup_printf(_("<b>%s</b>\nConditions: %d\nActions: %d"), 
			t->name, g_list_length(t->conditions), g_list_length(t->actions));
	gtk_list_store_set(store, iter, 1, text, 2, t, -1);

	switch (t->event) {
		case TT_OUTPUT:
			gtk_list_store_set(store, iter, 0, 
					gm_pixbuf_get_at_size("world.svg", 32, 32), -1);
		break;
		case TT_USERS:
			gtk_list_store_set(store, iter, 0, 
					gm_pixbuf_get_at_size("ice-userlist/programmer.svg", 32, 
					32), -1);
		break;
		default:
		break;
	}

	g_free(text);
}

void
gm_world_properties_dialog_add_trigger(GmWorldPropertiesDialog *properties, 
		GmTrigger *t) {
	GtkTreeView *tree_view = GTK_TREE_VIEW(properties->tree_view_triggers);
	GtkListStore *store = GTK_LIST_STORE(gtk_tree_view_get_model(tree_view));
	GtkTreeIter iter;

	gtk_list_store_append(store, &iter);
	gm_world_properties_dialog_update_trigger(properties, &iter, t);

	gtk_tree_selection_select_iter(gtk_tree_view_get_selection(tree_view), 
			&iter);

	gtk_widget_set_sensitive(gm_world_properties_dialog_widget(properties, 
			"button_edit_trigger"), TRUE);
	gtk_widget_set_sensitive(gm_world_properties_dialog_widget(properties,
			"button_delete_trigger"), TRUE);
}

void
gm_world_properties_dialog_populate_tree_view_triggers(
		GmWorldPropertiesDialog *properties) {
	GtkTreeView *tree_view = GTK_TREE_VIEW(properties->tree_view_triggers);
	GtkListStore *store = gtk_list_store_new(3, GDK_TYPE_PIXBUF, G_TYPE_STRING, 
			G_TYPE_POINTER);
	GtkCellRenderer *renderer;
	GtkTreeViewColumn *column;
	const GList *item;
	GmTrigger *t;

	gtk_tree_view_set_model(GTK_TREE_VIEW(tree_view), GTK_TREE_MODEL(store));

	renderer = gtk_cell_renderer_pixbuf_new();
	column = gtk_tree_view_column_new_with_attributes(NULL, renderer, "pixbuf", 
			0, NULL);
	gtk_tree_view_column_set_min_width(column, 40);

	gtk_tree_view_append_column(tree_view, column);

	renderer = gtk_cell_renderer_text_new();
	column = gtk_tree_view_column_new_with_attributes(NULL, renderer, "markup", 
			1, NULL);
	gtk_tree_view_append_column(tree_view, column);  

	for (item = gm_triggers_list(gm_world_triggers(properties->world)); item; 
  		item = item->next) {
		t = gm_trigger_dup((GmTrigger *)(item->data));
		gm_world_properties_dialog_add_trigger(properties, t);
	}
  
	if (gtk_tree_model_iter_n_children(GTK_TREE_MODEL(store), NULL) == 0) {
		gtk_widget_set_sensitive(gm_world_properties_dialog_widget(properties, 
				"button_edit_trigger"), FALSE);
		gtk_widget_set_sensitive(gm_world_properties_dialog_widget(properties, 
				"button_delete_trigger"), FALSE);  
	}
}

GmWorldPropertiesDialog *
gm_world_properties_dialog_find(GmWorld *world) {
	GmWorldPropertiesDialog *result = NULL;
	GList *item;
	
	for (item = gm_world_properties_dialog_open; item; item = item->next) {
		result = (GmWorldPropertiesDialog *)(item->data);
		
		if (result->world == world) {
			return result;
		}
	}
	
	return NULL;
}

void
gm_world_properties_dialog_initialize(GmWorldPropertiesDialog *properties) {
	GmOptions *options = gm_world_options(properties->world);
	const gchar *logo;
	
	gtk_entry_set_text(GTK_ENTRY(gm_world_properties_dialog_widget(properties,
			"entry_name")), gm_options_get(options, "name"));
	gtk_entry_set_text(GTK_ENTRY(gm_world_properties_dialog_widget(properties,
			"entry_host")), gm_options_get(options, "host"));
	gtk_spin_button_set_value(GTK_SPIN_BUTTON(gm_world_properties_dialog_widget(
			properties, "spin_button_port")), (double)(gm_options_get_int(
			options, "port")));
	gtk_entry_set_text(GTK_ENTRY(gm_world_properties_dialog_widget(properties,
			"entry_player_name")), gm_options_get(options, "player_name"));
	gtk_entry_set_text(GTK_ENTRY(gm_world_properties_dialog_widget(properties, 
			"entry_password")), gm_options_get(options, "password"));
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(
			gm_world_properties_dialog_widget(properties, 
			"check_button_auto_reconnect")),
			gm_options_get_int(options, "reconnect"));
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(
			gm_world_properties_dialog_widget(properties, 
			"check_button_auto_load")), 
			gm_options_get_int(options, "autoload"));                               
	
	gm_world_properties_dialog_populate_charsets(properties);
	gm_world_properties_dialog_populate_tree_view_triggers(properties);

	glade_xml_signal_connect_data(properties->xml, 
			"on_button_add_trigger_clicked",
			G_CALLBACK(on_button_add_trigger_clicked), properties);
	glade_xml_signal_connect_data(properties->xml, 
			"on_button_edit_trigger_clicked",
			G_CALLBACK(on_button_edit_trigger_clicked), properties);
	glade_xml_signal_connect_data(properties->xml, 
			"on_button_delete_trigger_clicked", 
			G_CALLBACK(on_button_delete_trigger_clicked), properties);
	glade_xml_signal_connect_data(properties->xml, 
			"on_tree_view_triggers_row_activated",
			G_CALLBACK(on_tree_view_triggers_row_activated), properties);

	logo = gm_options_get(options, "logo");
	
	if (logo != NULL) {
		gtk_window_set_icon(GTK_WINDOW(properties->dialog), 
				gm_pixbuf_get(logo));
	} else {
		gtk_window_set_icon(GTK_WINDOW(properties->dialog), 
				gm_pixbuf_get("world.svg"));
	}
}

#define G_WORLD_PROPERTIES_DIALOG_XML PACKAGE_DATA_DIR "/" PACKAGE \
		"/ui/gm-world-properties.glade"

void
gm_world_properties_dialog_run_priv(GmWorld *world, gboolean is_new) {
	GmWorldPropertiesDialog *properties = 
			gm_world_properties_dialog_find(world);
	gchar *title;
	
	if (properties) {
		gtk_widget_show(properties->dialog);
		gtk_window_present(GTK_WINDOW(properties->dialog));
		return;
	}

  	properties = g_new0(GmWorldPropertiesDialog, 1);
	gm_world_properties_dialog_open = g_list_append(
			gm_world_properties_dialog_open, properties);
	
	properties->is_new = is_new;
	properties->world = world;
	properties->xml = glade_xml_new(G_WORLD_PROPERTIES_DIALOG_XML, 
			"gm_world_properties_dialog", NULL);

	title = g_strconcat(_("World properties - "), gm_world_name(world), NULL);
	properties->dialog = gm_world_properties_dialog_widget(properties, 
			"gm_world_properties_dialog");
	properties->tree_view_triggers = gm_world_properties_dialog_widget(
			properties, "tree_view_triggers");
	properties->combo_box_charset = gm_world_properties_dialog_widget(
			properties, "combo_box_charset");
	
	gtk_window_set_title(GTK_WINDOW(properties->dialog), title);
	g_free(title);

	gm_world_properties_dialog_initialize(properties);
	
	if (!properties->is_new) {
		// Connect signal so we can close the dialog when a world gets removed
		properties->handler_id = g_signal_connect(gm_app_instance(), 
				"world_removed", 
				G_CALLBACK(on_gm_world_properties_dialog_app_world_removed), 
				properties);
	} else {
		properties->handler_id = 0;
	}
	
	gm_world_properties_dialog_run_dialog(properties);
}

void
gm_world_properties_dialog_run(GmWorld *world) {
	gm_world_properties_dialog_run_priv(world, FALSE);
}

void
gm_world_properties_dialog_run_new(GmWorld *world) {
	if (!world) {
		world = gm_world_new(NULL);	
	}
	
	gm_world_properties_dialog_run_priv(world, TRUE);
}

gchar *
gm_world_properties_dialog_get_charset(gchar *charset) {
	gchar *ch;
	int i;

	for (i = 0; i < (int)(sizeof(encodings) / sizeof(encoding)); i++) {
		ch = g_strconcat(encodings[i].charset, " - ", _(encodings[i].name), 
				NULL);

		if (g_strcasecmp(charset, ch) == 0) {
			g_free(ch);
			return g_strdup(encodings[i].charset);
		}

		g_free(ch);
	}

	return g_strdup(charset);
}

void
gm_world_properties_dialog_free_triggers(GmWorldPropertiesDialog *properties) {
	GtkTreeView *tree_view = GTK_TREE_VIEW(properties->tree_view_triggers);
	GtkTreeModel *store = gtk_tree_view_get_model(tree_view);
	GtkTreeIter iter;
	GmTrigger *t;

	if (gtk_tree_model_get_iter_first(store, &iter)) {
		do {
			gtk_tree_model_get(store, &iter, 2, &t, -1);
			gm_trigger_free(t);
		} while (gtk_tree_model_iter_next(store, &iter));
	}
}

void
gm_world_properties_dialog_set_triggers(GmWorldPropertiesDialog *properties) {
	GtkTreeView *tree_view = GTK_TREE_VIEW(properties->tree_view_triggers);
	GtkTreeModel *store = gtk_tree_view_get_model(tree_view);
	GtkTreeIter iter;
	GmTrigger *t;
	GmTriggers *triggers = gm_world_triggers(properties->world);
	
	gm_triggers_clear(triggers);

	if (gtk_tree_model_get_iter_first(store, &iter)) {
		do {
			gtk_tree_model_get(store, &iter, 2, &t, -1);
			gm_triggers_add(triggers, t);
		} while (gtk_tree_model_iter_next(store, &iter));
	}
}

gboolean
gm_world_properties_dialog_check_values(GmWorldPropertiesDialog *properties) {
	GmWorld *same_world;
	GmOptions *options = gm_world_options(properties->world);
	GtkWidget *dialog;
	GtkEntry *entry_name = GTK_ENTRY(gm_world_properties_dialog_widget(
			properties, "entry_name"));
	gchar *name = g_strdup(gtk_entry_get_text(entry_name));
	GtkEntry *entry_host = GTK_ENTRY(gm_world_properties_dialog_widget(
			properties,	"entry_host"));
	gchar *host = g_strdup(gtk_entry_get_text(entry_host));
	
	g_strstrip(name);
	g_strstrip(host);

	same_world = gm_app_world_by_name(gm_app_instance(), name);

	if (strlen(name) == 0) {
		dialog = gtk_message_dialog_new(GTK_WINDOW(properties->dialog),
				GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
				GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
				"Name can not be empty, please fill in a name.");
		gtk_dialog_run(GTK_DIALOG(dialog));
		gtk_widget_destroy(dialog);
		gtk_notebook_set_current_page(GTK_NOTEBOOK(
				gm_world_properties_dialog_widget(properties, 
				"notebook_main")), 0);
		gtk_widget_grab_focus(GTK_WIDGET(entry_name));
		g_free(name);
		g_free(host);
		return FALSE;
	}


	if (same_world && same_world != properties->world) {
		dialog = gtk_message_dialog_new(GTK_WINDOW(properties->dialog),
				GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
				GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
				_("Name can not be %s because a world with that name "
				"already exists."),
				name);
		gtk_dialog_run(GTK_DIALOG(dialog));
		gtk_widget_destroy(dialog);
  
		gtk_notebook_set_current_page(GTK_NOTEBOOK(
				gm_world_properties_dialog_widget(properties, 
				"notebook_main")), 0);
		gtk_widget_grab_focus(GTK_WIDGET(entry_name));
		g_free(name);
		g_free(host);
		return FALSE;
	}

	if (strlen(host) == 0) {
		dialog = gtk_message_dialog_new(GTK_WINDOW(properties->dialog),
				GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
				GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
				_("Host can not be empty, please fill in a host."));
		gtk_dialog_run(GTK_DIALOG(dialog));
		gtk_widget_destroy(dialog);
		
		gtk_notebook_set_current_page(GTK_NOTEBOOK(
				gm_world_properties_dialog_widget(properties, 
				"notebook_main")), 0);		
		gtk_widget_grab_focus(GTK_WIDGET(entry_host));
		g_free(name);
		g_free(host);

		return FALSE;
	}

	gm_world_properties_dialog_set_triggers(properties);
	
	gm_options_set(options, "host", host);
	gm_options_set_int(options, "port", gtk_spin_button_get_value_as_int(
			GTK_SPIN_BUTTON(gm_world_properties_dialog_widget(properties, 
			"spin_button_port"))));
					
	gm_options_set_int(options, "reconnect", gtk_toggle_button_get_active(
			GTK_TOGGLE_BUTTON(gm_world_properties_dialog_widget(properties,
			"check_button_auto_reconnect"))));
	gm_options_set_int(options, "autoload", gtk_toggle_button_get_active(
			GTK_TOGGLE_BUTTON(gm_world_properties_dialog_widget(properties,
			"check_button_auto_load"))));
                                                
	gm_options_set(options, "player_name", (gchar *)gtk_entry_get_text(
			GTK_ENTRY(gm_world_properties_dialog_widget(properties,
			"entry_player_name"))));
	gm_options_set(options, "password", (gchar *)gtk_entry_get_text(
			GTK_ENTRY(gm_world_properties_dialog_widget(properties,
			"entry_password"))));
	gm_options_set(options, "charset", gm_world_properties_dialog_get_charset(
			(gchar *)gtk_entry_get_text(GTK_ENTRY(GTK_BIN(
			properties->combo_box_charset)->child))));

	// Only change the name when it has actually changed, when the name
	// changes the options and triggers are automatically saved to the new
	// world location
	if (gm_options_get(options, "name") == NULL || 
			strcmp(name, gm_options_get(options, "name")) != 0) {
		gm_options_set(options, "name", name);
	} else {
		// Now we need to save the options and triggers ourselfs
		gm_options_save(options);
		gm_triggers_save(gm_world_triggers(properties->world));
	}

	g_free(name);
	g_free(host);

	return TRUE;
}

void
gm_world_properties_dialog_run_dialog(GmWorldPropertiesDialog *properties) {
	g_signal_connect(properties->dialog, "response",
			G_CALLBACK(on_gm_world_properties_dialog_response), properties);

	gtk_widget_show(GTK_WIDGET(properties->dialog));
}

/* CALLBACKS */

void
on_gm_world_properties_dialog_response(GtkDialog *dialog, gint response, 
		GmWorldPropertiesDialog *properties) {
	gboolean is_okay = TRUE;
	
	switch (response) {
		case GTK_RESPONSE_OK:
			is_okay = gm_world_properties_dialog_check_values(properties);
		break;
		default:
			gm_world_properties_dialog_free_triggers(properties);
		break;
	}
	
	if (!is_okay) {
		return;
	}

	if (properties->is_new) {
		if (response == GTK_RESPONSE_OK) {
			gm_app_add_world(gm_app_instance(), properties->world);
		} else {
			g_object_unref(properties->world);
		}
	}

	gtk_widget_destroy(properties->dialog);
	
	if (properties->handler_id > 0) {
		g_signal_handler_disconnect(gm_app_instance(), properties->handler_id);
	}
	
	g_object_unref(properties->xml);
	gm_world_properties_dialog_open = g_list_remove(
			gm_world_properties_dialog_open, properties);
	
	g_free(properties);
}

void
on_button_add_trigger_clicked(GtkButton *button, 
		GmWorldPropertiesDialog *properties) {
	GmTrigger *trigger = gm_triggers_dialog_run_new(properties->world, NULL);
	
  	if (trigger != NULL) {
		gm_world_properties_dialog_add_trigger(properties, trigger);
	}
}

GmTrigger *
gm_world_properties_dialog_selected_trigger(GmWorldPropertiesDialog *properties, 
		GtkTreeIter *iter) {
	GtkTreeView *tree_view = GTK_TREE_VIEW(properties->tree_view_triggers);
	GtkTreeModel *model = gtk_tree_view_get_model(tree_view);
	GmTrigger *result = NULL;
  
	if (gtk_tree_selection_get_selected(gtk_tree_view_get_selection(tree_view), 
			&model, iter)) {
		gtk_tree_model_get(model, iter, 2, &result, -1);
	}
  
	return result;
}

void
on_button_edit_trigger_clicked(GtkButton *button, 
		GmWorldPropertiesDialog *properties) {
	GtkTreeIter iter;
	GmTrigger *trigger, *newt;
  
	trigger = gm_world_properties_dialog_selected_trigger(properties, &iter);
  
	if (trigger) {
		newt = gm_triggers_dialog_run(properties->world, trigger);

		if (newt) {
			gm_world_properties_dialog_update_trigger(properties, &iter, 
					trigger);
		}
	} else {
		gm_error_dialog(_("Select a trigger to edit first"), 
				GTK_WINDOW(properties->dialog));
	}
}

void
on_button_delete_trigger_clicked(GtkButton *button, 
		GmWorldPropertiesDialog *properties) {
	GtkTreeIter iter;
	GmTrigger *trigger;

	trigger = gm_world_properties_dialog_selected_trigger(properties, &iter);

	if (trigger) {
		gm_world_properties_dialog_remove_trigger(properties, &iter);
		gm_trigger_free(trigger);
	} else {
		gm_error_dialog(_("First select a trigger to remove"), 
				GTK_WINDOW(properties->dialog));
	}
}

void
on_tree_view_triggers_row_activated(GtkTreeView *treeview, GtkTreePath *arg1, 
		GtkTreeViewColumn *arg2, GmWorldPropertiesDialog *properties) {
	on_button_edit_trigger_clicked(NULL, properties);
}

void
on_gm_world_properties_dialog_app_world_removed(GmApp *app, GmWorld *world, 
		GmWorldPropertiesDialog *properties) {
	if (properties->world == world) {
		gtk_dialog_response(GTK_DIALOG(properties->dialog), GTK_RESPONSE_CLOSE);
	}
}