Kill the default parent window hack in e-error.c.

Fix as many cases that relied on it as I could find, but there may be
more cases out there.  They should be fixed too.  Passing a NULL parent
window to e_error_new() is illegal and will emit a runtime warning.

12 files changed, 122 insertions, 53 deletions

diff --git a/calendar/gui/e-calendar-view.c b/calendar/gui/e-calendar-view.c
index 7450cd1221..805ec939f8 100644
--- a/calendar/gui/e-calendar-view.c
+++ b/calendar/gui/e-calendar-view.c
@@ -1242,11 +1242,15 @@ e_calendar_view_new_appointment_for (ECalendarView *cal_view,
 	icalcomponent *icalcomp;
 	ECalComponentTransparency transparency;
 	ECal *default_client = NULL;
+	gpointer parent;
 	guint32 flags = 0;
 	gboolean readonly = FALSE;
 
 	g_return_if_fail (E_IS_CALENDAR_VIEW (cal_view));
 
+	parent = gtk_widget_get_toplevel (GTK_WIDGET (cal_view));
+	parent = GTK_WIDGET_TOPLEVEL (parent) ? parent : NULL;
+
 	priv = cal_view->priv;
 
 	default_client = e_cal_model_get_default_client (priv->model);
@@ -1259,7 +1263,7 @@ e_calendar_view_new_appointment_for (ECalendarView *cal_view,
 	if (e_cal_is_read_only (default_client, &readonly, NULL) && readonly) {
 		GtkWidget *widget;
 
-		widget = e_error_new (NULL, "calendar:prompt-read-only-cal", e_source_peek_name (e_cal_get_source (default_client)), NULL);
+		widget = e_error_new (parent, "calendar:prompt-read-only-cal", e_source_peek_name (e_cal_get_source (default_client)), NULL);
 
 		g_signal_connect ((GtkDialog *)widget, "response", G_CALLBACK (gtk_widget_destroy),
 				  widget);
diff --git a/calendar/gui/gnome-cal.c b/calendar/gui/gnome-cal.c
index 690c7003b1..b56c37da57 100644
--- a/calendar/gui/gnome-cal.c
+++ b/calendar/gui/gnome-cal.c
@@ -1869,10 +1869,14 @@ client_cal_opened_cb (ECal *ecal, ECalendarStatus status, GnomeCalendar *gcal)
 	ECalLoadState state;
 	gchar *msg;
 	GtkWidget *w = NULL;
+	gpointer parent;
 	gchar *id;
 
 	priv = gcal->priv;
 
+	parent = gtk_widget_get_toplevel (GTK_WIDGET (gcal));
+	parent = GTK_WIDGET_TOPLEVEL (parent) ? parent : NULL;
+
 	source = e_cal_get_source (ecal);
 	state = e_cal_get_load_state (ecal);
 
@@ -1895,7 +1899,7 @@ client_cal_opened_cb (ECal *ecal, ECalendarStatus status, GnomeCalendar *gcal)
 			return;
 		}
 
-		w = e_error_new(NULL, "calendar:server-version", NULL);
+		w = e_error_new(parent, "calendar:server-version", NULL);
 		/*e_calendar_utils_show_error_silent (w);  KILL-BONOBO */
 		g_hash_table_insert (non_intrusive_error_table, id, g_object_ref(w));
 		g_signal_connect(w, "destroy", G_CALLBACK(non_intrusive_error_remove), id);
@@ -1916,7 +1920,7 @@ client_cal_opened_cb (ECal *ecal, ECalendarStatus status, GnomeCalendar *gcal)
 			return;
 		}
 
-		w = e_error_new(GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (gcal))), "calendar:unable-to-load-the-calendar", e_cal_get_error_message (status), NULL);
+		w = e_error_new(parent, "calendar:unable-to-load-the-calendar", e_cal_get_error_message (status), NULL);
 		/*e_calendar_utils_show_error_silent (w);  KILL-BONOBO */
 		g_hash_table_insert (non_intrusive_error_table, id, g_object_ref(w));
 		g_signal_connect(w, "destroy", G_CALLBACK(non_intrusive_error_remove), id);
@@ -2040,11 +2044,15 @@ backend_error_cb (ECal *client, const gchar *message, gpointer data)
 {
 	GnomeCalendar *gcal;
 	GtkDialog *dialog;
+	gpointer parent;
 	gchar *uristr;
 	gchar *id;
 
 	gcal = GNOME_CALENDAR (data);
 
+	parent = gtk_widget_get_toplevel (GTK_WIDGET (gcal));
+	parent = GTK_WIDGET_TOPLEVEL (parent) ? parent : NULL;
+
 	uristr = get_uri_without_password (e_cal_get_uri (client));
 	id = g_strdup ("calendar:error-on-loading-the-calendar");
 
@@ -2054,7 +2062,7 @@ backend_error_cb (ECal *client, const gchar *message, gpointer data)
 		return;
 	}
 
-	dialog = (GtkDialog *)e_error_new(GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (gcal))), "calendar:error-on-loading-the-calendar", uristr, message, NULL);
+	dialog = (GtkDialog *)e_error_new(parent, "calendar:error-on-loading-the-calendar", uristr, message, NULL);
 	/* e_calendar_utils_show_error_silent(GTK_WIDGET (dialog));  KILL-BONOBO */
 
 	g_hash_table_insert (non_intrusive_error_table, id, g_object_ref(dialog));
@@ -2070,12 +2078,16 @@ backend_died_cb (ECal *ecal, gpointer data)
 	GnomeCalendar *gcal;
 	GnomeCalendarPrivate *priv;
 	ESource *source;
+	gpointer parent;
 	const gchar *id;
 	GtkWidget *w = NULL;
 
 	gcal = GNOME_CALENDAR (data);
 	priv = gcal->priv;
 
+	parent = gtk_widget_get_toplevel (GTK_WIDGET (gcal));
+	parent = GTK_WIDGET_TOPLEVEL (parent) ? parent : NULL;
+
 	/* FIXME What about default sources? */
 
 	/* Make sure the source doesn't go away on us since we use it below */
@@ -2098,7 +2110,7 @@ backend_died_cb (ECal *ecal, gpointer data)
 		return;
 	}
 
-	w = e_error_new(GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (gcal))), "calendar:backend_died", NULL);
+	w = e_error_new(parent, "calendar:backend_died", NULL);
 	/* e_calendar_utils_show_error_silent (w); KILL-BONOBO */
 	g_hash_table_insert (non_intrusive_error_table, (gpointer) id, g_object_ref(w));
 	g_signal_connect((GtkObject *)w, "destroy", G_CALLBACK(non_intrusive_error_remove), (gpointer) id);
diff --git a/e-util/e-error.c b/e-util/e-error.c
index b672e1d17e..ee3c47e9bb 100644
--- a/e-util/e-error.c
+++ b/e-util/e-error.c
@@ -66,7 +66,6 @@ struct _e_error_table {
 };
 
 static GHashTable *error_table;
-static GSList *ee_parent_list;
 
 /* ********************************************************************** */
 
@@ -433,12 +432,12 @@ e_error_newv(GtkWindow *parent, const gchar *tag, const gchar *arg0, va_list ap)
 	gtk_container_set_border_width (GTK_CONTAINER (action_area), 12);
 	gtk_container_set_border_width (GTK_CONTAINER (content_area), 0);
 
-	if (parent == NULL && ee_parent_list)
-		parent = (GtkWindow *)ee_parent_list->data;
 	if (parent)
 		gtk_window_set_transient_for ((GtkWindow *)dialog, parent);
 	else
-		g_warning("No parent set, or default parent available for error dialog");
+		g_warning (
+			"Something called %s() with a NULL parent window.  "
+			"This is no longer legal, please fix it.", G_STRFUNC);
 
 	domain = alloca(strlen(tag)+1);
 	strcpy(domain, tag);
@@ -668,30 +667,3 @@ e_error_count_buttons (GtkDialog *dialog)
 
 	return n_buttons;
 }
-
-static void
-remove_parent(GtkWidget *w, GtkWidget *parent)
-{
-	ee_parent_list = g_slist_remove(ee_parent_list, parent);
-}
-
-/**
- * e_error_default_parent:
- * @parent:
- *
- * Bit of a hack, set a default parent that will be used to parent any
- * error boxes if none is supplied.
- *
- * This may be called multiple times, and the last call will be the
- * main default.  This function will keep track of the parents
- * destruction state.
- **/
-void
-e_error_default_parent(GtkWindow *parent)
-{
-	if (g_slist_find(ee_parent_list, parent) == NULL) {
-		ee_parent_list = g_slist_prepend(ee_parent_list, parent);
-		g_signal_connect(parent, "destroy", G_CALLBACK(remove_parent), parent);
-	}
-}
-
diff --git a/e-util/e-error.h b/e-util/e-error.h
index 7b9685aca6..38de4c86ed 100644
--- a/e-util/e-error.h
+++ b/e-util/e-error.h
@@ -56,6 +56,4 @@ gint e_error_runv(GtkWindow *parent, const gchar *tag, const gchar *arg0, va_lis
 
 guint e_error_count_buttons (GtkDialog *dialog);
 
-void e_error_default_parent(GtkWindow *parent);
-
 #endif /* !_E_ERROR_H */
diff --git a/mail/em-folder-utils.c b/mail/em-folder-utils.c
index 700e445beb..0379607bc0 100644
--- a/mail/em-folder-utils.c
+++ b/mail/em-folder-utils.c
@@ -290,8 +290,18 @@ emfu_copy_folder_selected (const gchar *uri, gpointer data)
 	}
 
 	if (cfd->delete && fromstore == local_store && emfu_is_special_local_folder (cfd->fi->full_name)) {
-		GtkWidget *w = e_error_new (NULL,
-			    "mail:no-rename-special-folder", cfd->fi->full_name, NULL);
+		EShell *shell;
+		GtkWindow *parent;
+		GtkWidget *w;
+		GList *windows;
+
+		shell = e_shell_get_default ();
+		windows = e_shell_get_watched_windows (shell);
+		parent = (windows != NULL) ? GTK_WINDOW (windows->data) : NULL;
+
+		w = e_error_new (
+			parent, "mail:no-rename-special-folder",
+			cfd->fi->full_name, NULL);
 		em_utils_show_error_silent (w);
 		goto fail;
 	}
@@ -379,8 +389,18 @@ emfu_delete_done (CamelFolder *folder, gboolean removed, CamelException *ex, gpo
 	GtkWidget *dialog = data;
 
 	if (ex && camel_exception_is_set (ex)) {
-		GtkWidget *w = e_error_new (NULL,
-			    "mail:no-delete-folder", folder->full_name, camel_exception_get_description (ex), NULL);
+		EShell *shell;
+		GtkWindow *parent;
+		GtkWidget *w;
+		GList *windows;
+
+		shell = e_shell_get_default ();
+		windows = e_shell_get_watched_windows (shell);
+		parent = (windows != NULL) ? GTK_WINDOW (windows->data) : NULL;
+
+		w = e_error_new (
+			parent, "mail:no-delete-folder",
+			folder->full_name, camel_exception_get_description (ex), NULL);
 		em_utils_show_error_silent (w);
 		camel_exception_clear (ex);
 	}
@@ -406,14 +426,23 @@ emfu_delete_response (GtkWidget *dialog, gint response, gpointer data)
 void
 em_folder_utils_delete_folder (CamelFolder *folder)
 {
+	EShell *shell;
+	GtkWindow *parent;
 	CamelStore *local_store;
 	GtkWidget *dialog;
+	GList *windows;
 	gint flags = 0;
 
+	shell = e_shell_get_default ();
+	windows = e_shell_get_watched_windows (shell);
+	parent = (windows != NULL) ? GTK_WINDOW (windows->data) : NULL;
+
 	local_store = e_mail_local_get_store ();
 
 	if (folder->parent_store == local_store && emfu_is_special_local_folder (folder->full_name)) {
-		dialog = e_error_new (NULL, "mail:no-delete-special-folder", folder->full_name, NULL);
+		dialog = e_error_new (
+			parent, "mail:no-delete-special-folder",
+			folder->full_name, NULL);
 		em_utils_show_error_silent (dialog);
 		return;
 	}
@@ -426,7 +455,7 @@ em_folder_utils_delete_folder (CamelFolder *folder)
 
 	camel_object_ref (folder);
 
-	dialog = e_error_new(NULL,
+	dialog = e_error_new (parent,
 			     (folder->parent_store && CAMEL_IS_VEE_STORE(folder->parent_store))?"mail:ask-delete-vfolder":"mail:ask-delete-folder",
 			     folder->full_name, NULL);
 	g_object_set_data_full ((GObject *) dialog, "folder", folder, camel_object_unref);
diff --git a/mail/mail-autofilter.c b/mail/mail-autofilter.c
index ece7e75ca5..02fbbfbbc7 100644
--- a/mail/mail-autofilter.c
+++ b/mail/mail-autofilter.c
@@ -420,7 +420,10 @@ mail_filter_delete_uri(CamelStore *store, const gchar *uri)
 
 	deleted = rule_context_delete_uri ((RuleContext *) fc, euri, g_str_equal);
 	if (deleted) {
+		EShell *shell;
+		GtkWindow *parent;
 		GtkWidget *dialog;
+		GList *windows;
 		GString *s;
 		GList *l;
 
@@ -431,7 +434,10 @@ mail_filter_delete_uri(CamelStore *store, const gchar *uri)
 			l = l->next;
 		}
 
-		dialog = e_error_new(NULL, "mail:filter-updated", s->str, euri, NULL);
+		shell = e_shell_get_default ();
+		windows = e_shell_get_watched_windows (shell);
+		parent = (windows != NULL) ? GTK_WINDOW (windows->data) : NULL;
+		dialog = e_error_new(parent, "mail:filter-updated", s->str, euri, NULL);
 		g_string_free(s, TRUE);
 		em_utils_show_info_silent (dialog);
 
diff --git a/mail/mail-mt.c b/mail/mail-mt.c
index 7281ce63a4..6c25d7ab8e 100644
--- a/mail/mail-mt.c
+++ b/mail/mail-mt.c
@@ -292,9 +292,12 @@ static void error_response(GtkObject *o, gint button, gpointer data)
 void
 mail_msg_check_error (gpointer msg)
 {
+	EShell *shell;
+	GtkWindow *parent;
 	MailMsg *m = msg;
 	gchar *what;
 	GtkDialog *gd;
+	GList *windows;
 
 #ifdef MALLOC_CHECK
 	checkmem(m);
@@ -322,12 +325,16 @@ mail_msg_check_error (gpointer msg)
 		return;
 	}
 
+	shell = e_shell_get_default ();
+	windows = e_shell_get_watched_windows (shell);
+	parent = (windows != NULL) ? GTK_WINDOW (windows->data) : NULL;
+
 	if (m->info->desc
 	    && (what = m->info->desc (m))) {
-		gd = (GtkDialog *)e_error_new(NULL, "mail:async-error", what, camel_exception_get_description(&m->ex), NULL);
+		gd = (GtkDialog *)e_error_new(parent, "mail:async-error", what, camel_exception_get_description(&m->ex), NULL);
 		g_free(what);
 	} else
-		gd = (GtkDialog *)e_error_new(NULL, "mail:async-error-nodescribe", camel_exception_get_description(&m->ex), NULL);
+		gd = (GtkDialog *)e_error_new(parent, "mail:async-error-nodescribe", camel_exception_get_description(&m->ex), NULL);
 
 	g_hash_table_insert(active_errors, m->info, gd);
 	g_signal_connect(gd, "response", G_CALLBACK(error_response), m->info);
diff --git a/mail/mail-session.c b/mail/mail-session.c
index 27fdaf9942..2d1a1ff1c1 100644
--- a/mail/mail-session.c
+++ b/mail/mail-session.c
@@ -322,6 +322,9 @@ user_message_response (GtkDialog *dialog, gint button, struct _user_message_msg
 static void
 user_message_exec (struct _user_message_msg *m)
 {
+	EShell *shell;
+	GtkWindow *parent;
+	GList *windows;
 	const gchar *error_type;
 
 	if (!m->ismain && user_message_dialog != NULL) {
@@ -350,7 +353,12 @@ user_message_exec (struct _user_message_msg *m)
 			g_return_if_reached ();
 	}
 
-	user_message_dialog = e_error_new (NULL, error_type, m->prompt, NULL);
+	shell = e_shell_get_default ();
+	windows = e_shell_get_watched_windows (shell);
+	parent = (windows != NULL) ? GTK_WINDOW (windows->data) : NULL;
+
+	user_message_dialog = e_error_new (
+		parent, error_type, m->prompt, NULL);
 	g_object_set (
 		user_message_dialog, "allow_shrink", TRUE,
 		"allow_grow", TRUE, NULL);
diff --git a/mail/mail-vfolder.c b/mail/mail-vfolder.c
index 96d60ab5f0..69ba7d4d98 100644
--- a/mail/mail-vfolder.c
+++ b/mail/mail-vfolder.c
@@ -600,11 +600,17 @@ done:
 	UNLOCK();
 
 	if (changed->str[0]) {
+		EShell *shell;
+		GtkWindow *parent;
 		GtkWidget *dialog;
+		GList *windows;
 		const gchar *data_dir;
 		gchar *user;
 
-		dialog = e_error_new(NULL, "mail:vfolder-updated", changed->str, uri, NULL);
+		shell = e_shell_get_default ();
+		windows = e_shell_get_watched_windows (shell);
+		parent = (windows != NULL) ? GTK_WINDOW (windows->data) : NULL;
+		dialog = e_error_new (parent, "mail:vfolder-updated", changed->str, uri, NULL);
 		em_utils_show_info_silent (dialog);
 
 		data_dir = em_utils_get_data_dir ();
@@ -1095,9 +1101,17 @@ vfolder_edit_rule(const gchar *uri)
 		g_signal_connect(gd, "response", G_CALLBACK(edit_rule_response), NULL);
 		gtk_widget_show((GtkWidget *)gd);
 	} else {
+		EShell *shell;
+		GtkWindow *parent;
 		GtkWidget *w;
+		GList *windows;
+
+		shell = e_shell_get_default ();
+		windows = e_shell_get_watched_windows (shell);
+		parent = (windows != NULL) ? GTK_WINDOW (windows->data) : NULL;
+
 		/* TODO: we should probably just create it ... */
-		w = e_error_new(NULL, "mail:vfolder-notexist", uri, NULL);
+		w = e_error_new(parent, "mail:vfolder-notexist", uri, NULL);
 		em_utils_show_error_silent (w);
 	}
 
diff --git a/modules/mail/e-mail-junk-hook.c b/modules/mail/e-mail-junk-hook.c
index 2687223af9..f19b502f69 100644
--- a/modules/mail/e-mail-junk-hook.c
+++ b/modules/mail/e-mail-junk-hook.c
@@ -25,6 +25,8 @@
 #include <camel/camel-junk-plugin.h>
 
 #include "e-util/e-error.h"
+#include "shell/e-shell.h"
+
 #include "mail/em-junk.h"
 #include "mail/em-utils.h"
 #include "mail/mail-session.h"
@@ -48,10 +50,17 @@ static GType mail_junk_hook_type;
 static gboolean
 mail_junk_hook_idle_cb (struct ErrorData *data)
 {
+	EShell *shell;
+	GtkWindow *parent;
 	GtkWidget *widget;
+	GList *windows;
+
+	shell = e_shell_get_default ();
+	windows = e_shell_get_watched_windows (shell);
+	parent = (windows != NULL) ? GTK_WINDOW (windows->data) : NULL;
 
 	widget = e_error_new (
-		NULL, data->error_message, data->error->message, NULL);
+		parent, data->error_message, data->error->message, NULL);
 	em_utils_show_error_silent (widget);
 
 	g_error_free (data->error);
diff --git a/plugins/startup-wizard/startup-wizard.c b/plugins/startup-wizard/startup-wizard.c
index 14c4c6cffe..15660dfc47 100644
--- a/plugins/startup-wizard/startup-wizard.c
+++ b/plugins/startup-wizard/startup-wizard.c
@@ -210,11 +210,16 @@ startup_wizard_commit (EPlugin *ep, EMConfigTargetAccount *target)
 {
 	EShell *shell;
 	EShellSettings *shell_settings;
+	GtkWindow *parent;
+	GList *windows;
 	gchar *location;
 
 	shell = e_shell_get_default ();
 	shell_settings = e_shell_get_shell_settings (shell);
 
+	windows = e_shell_get_watched_windows (shell);
+	parent = (windows != NULL) ? GTK_WINDOW (windows->data) : NULL;
+
 	/* Use System Timezone by default */
 	e_shell_settings_set_boolean (
 		shell_settings, "cal-use-system-timezone", TRUE);
@@ -227,7 +232,7 @@ startup_wizard_commit (EPlugin *ep, EMConfigTargetAccount *target)
 		import_iterator = import_importers;
 		import_importer = import_iterator->data;
 
-		import_dialog = e_error_new(NULL, "shell:importing", _("Importing data."), NULL);
+		import_dialog = e_error_new(parent, "shell:importing", _("Importing data."), NULL);
 		g_signal_connect(import_dialog, "response", G_CALLBACK(import_dialog_response), NULL);
 		import_label = gtk_label_new(_("Please wait"));
 		import_progress = gtk_progress_bar_new();
diff --git a/shell/e-shell-importer.c b/shell/e-shell-importer.c
index aba3546443..fbc1b306f5 100644
--- a/shell/e-shell-importer.c
+++ b/shell/e-shell-importer.c
@@ -528,7 +528,12 @@ import_assistant_apply (GtkAssistant *assistant, ImportData *data)
 	}
 
 	if (done) {
-		data->import_dialog = e_error_new(NULL, "shell:importing", msg, NULL);
+		gpointer parent;
+
+		parent = gtk_widget_get_parent (data->assistant);
+		parent = GTK_WIDGET_TOPLEVEL (parent) ? parent : NULL;
+
+		data->import_dialog = e_error_new(parent, "shell:importing", msg, NULL);
 		g_signal_connect(data->import_dialog, "response", G_CALLBACK(import_dialog_response), data);
 		data->import_label = gtk_label_new(_("Please wait"));
 		data->import_progress = gtk_progress_bar_new();