/* Evolution calendar - Main page of the task editor dialog * * Copyright (C) 2001 Ximian, Inc. * * Authors: Federico Mena-Quintero * Miguel de Icaza * Seth Alves * JP Rosevear * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../Evolution-Addressbook-SelectNames.h" #include "comp-editor-util.h" #include "meeting-page.h" #define SELECT_NAMES_OAFID "OAFIID:GNOME_Evolution_Addressbook_SelectNames" #define MEETING_PAGE_TABLE_SPEC \ "" \ " " \ " " \ " " \ " " \ " " \ " " \ " " \ " " \ " " \ " " \ " " \ " " \ " " \ " " \ " " \ "" enum columns { MEETING_ATTENDEE_COL, MEETING_MEMBER_COL, MEETING_TYPE_COL, MEETING_ROLE_COL, MEETING_RSVP_COL, MEETING_STATUS_COL, MEETING_CN_COL, MEETING_LANG_COL, MEETING_COLUMN_COUNT }; struct attendee { char *address; char *member; CalComponentCUType cutype; CalComponentRole role; CalComponentPartStat status; gboolean rsvp; char *delto; char *delfrom; char *sentby; char *cn; char *language; }; /* Private part of the MeetingPage structure */ struct _MeetingPagePrivate { /* List of attendees */ GSList *attendees; /* Glade XML data */ GladeXML *xml; /* Widgets from the Glade file */ GtkWidget *main; GtkWidget *organizer; GtkWidget *invite; /* E Table stuff */ ETableModel *model; GtkWidget *etable; /* For handling the invite button */ GNOME_Evolution_Addressbook_SelectNames corba_select_names; gboolean updating; }; static void meeting_page_class_init (MeetingPageClass *class); static void meeting_page_init (MeetingPage *mpage); static void meeting_page_destroy (GtkObject *object); static GtkWidget *meeting_page_get_widget (CompEditorPage *page); static void meeting_page_fill_widgets (CompEditorPage *page, CalComponent *comp); static void meeting_page_fill_component (CompEditorPage *page, CalComponent *comp); static int row_count (ETableModel *etm, void *data); static CompEditorPageClass *parent_class = NULL; /** * meeting_page_get_type: * * Registers the #MeetingPage class if necessary, and returns the type ID * associated to it. * * Return value: The type ID of the #MeetingPage class. **/ GtkType meeting_page_get_type (void) { static GtkType meeting_page_type; if (!meeting_page_type) { static const GtkTypeInfo meeting_page_info = { "MeetingPage", sizeof (MeetingPage), sizeof (MeetingPageClass), (GtkClassInitFunc) meeting_page_class_init, (GtkObjectInitFunc) meeting_page_init, NULL, /* reserved_1 */ NULL, /* reserved_2 */ (GtkClassInitFunc) NULL }; meeting_page_type = gtk_type_unique (TYPE_COMP_EDITOR_PAGE, &meeting_page_info); } return meeting_page_type; } /* Class initialization function for the task page */ static void meeting_page_class_init (MeetingPageClass *class) { CompEditorPageClass *editor_page_class; GtkObjectClass *object_class; editor_page_class = (CompEditorPageClass *) class; object_class = (GtkObjectClass *) class; parent_class = gtk_type_class (TYPE_COMP_EDITOR_PAGE); editor_page_class->get_widget = meeting_page_get_widget; editor_page_class->fill_widgets = meeting_page_fill_widgets; editor_page_class->fill_component = meeting_page_fill_component; editor_page_class->set_summary = NULL; editor_page_class->set_dates = NULL; object_class->destroy = meeting_page_destroy; } /* Object initialization function for the task page */ static void meeting_page_init (MeetingPage *mpage) { MeetingPagePrivate *priv; priv = g_new0 (MeetingPagePrivate, 1); mpage->priv = priv; priv->xml = NULL; priv->main = NULL; priv->invite = NULL; priv->model = NULL; priv->etable = NULL; priv->updating = FALSE; } /* Destroy handler for the task page */ static void meeting_page_destroy (GtkObject *object) { MeetingPage *mpage; MeetingPagePrivate *priv; g_return_if_fail (object != NULL); g_return_if_fail (IS_MEETING_PAGE (object)); mpage = MEETING_PAGE (object); priv = mpage->priv; if (priv->xml) { gtk_object_unref (GTK_OBJECT (priv->xml)); priv->xml = NULL; } g_free (priv); mpage->priv = NULL; if (GTK_OBJECT_CLASS (parent_class)->destroy) (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); } /* get_widget handler for the task page */ static GtkWidget * meeting_page_get_widget (CompEditorPage *page) { MeetingPage *mpage; MeetingPagePrivate *priv; mpage = MEETING_PAGE (page); priv = mpage->priv; return priv->main; } /* Fills the widgets with default values */ static void clear_widgets (MeetingPage *mpage) { MeetingPagePrivate *priv; priv = mpage->priv; } /* fill_widgets handler for the task page */ static void meeting_page_fill_widgets (CompEditorPage *page, CalComponent *comp) { MeetingPage *mpage; MeetingPagePrivate *priv; CalComponentOrganizer organizer; GSList *attendees, *l; mpage = MEETING_PAGE (page); priv = mpage->priv; priv->updating = TRUE; /* Clean the screen */ clear_widgets (mpage); cal_component_get_organizer (comp, &organizer); e_dialog_editable_set (priv->organizer, organizer.value); cal_component_get_attendee_list (comp, &attendees); for (l = attendees; l != NULL; l = l->next) { CalComponentAttendee *att = l->data; struct attendee *attendee = g_new0 (struct attendee, 1); attendee->address = g_strdup (att->value); attendee->member = g_strdup (att->member); attendee->cutype= att->cutype; attendee->role = att->role; attendee->status = att->status; attendee->rsvp = att->rsvp; attendee->delto = g_strdup (att->delto); attendee->delfrom = g_strdup (att->delfrom); attendee->sentby = g_strdup (att->sentby); attendee->cn = g_strdup (att->cn); attendee->language = g_strdup (att->language); priv->attendees = g_slist_prepend (priv->attendees, attendee); } priv->attendees = g_slist_reverse (priv->attendees); cal_component_free_attendee_list (attendees); /* Table */ e_table_model_rows_inserted (priv->model, 0, row_count (priv->model, mpage)); /* So the comp editor knows we need to send if anything changes */ if (priv->attendees != NULL) comp_editor_page_notify_needs_send (COMP_EDITOR_PAGE (mpage)); priv->updating = FALSE; } /* fill_component handler for the task page */ static void meeting_page_fill_component (CompEditorPage *page, CalComponent *comp) { MeetingPage *mpage; MeetingPagePrivate *priv; CalComponentOrganizer organizer = {NULL, NULL, NULL, NULL}; GSList *attendees = NULL, *l; gchar *str; mpage = MEETING_PAGE (page); priv = mpage->priv; str = e_dialog_editable_get (priv->organizer); if (str == NULL || strlen (str) == 0) { if (str != NULL) g_free (str); return; } organizer.value = str; cal_component_set_organizer (comp, &organizer); g_free (str); for (l = priv->attendees; l != NULL; l = l->next) { struct attendee *attendee = l->data; CalComponentAttendee *att = g_new0 (CalComponentAttendee, 1); att->value = attendee->address; att->member = attendee->member; att->cutype= attendee->cutype; att->role = attendee->role; att->status = attendee->status; att->rsvp = attendee->rsvp; att->delto = attendee->delto; att->delfrom = attendee->delfrom; att->sentby = attendee->sentby; att->cn = attendee->cn; att->language = attendee->language; attendees = g_slist_prepend (attendees, att); } attendees = g_slist_reverse (attendees); cal_component_set_attendee_list (comp, attendees); g_slist_free (attendees); } /* Gets the widgets from the XML file and returns if they are all available. */ static gboolean get_widgets (MeetingPage *mpage) { MeetingPagePrivate *priv; priv = mpage->priv; #define GW(name) glade_xml_get_widget (priv->xml, name) priv->main = GW ("meeting-page"); if (!priv->main) return FALSE; gtk_widget_ref (priv->main); gtk_widget_unparent (priv->main); priv->organizer = GW ("organizer"); priv->invite = GW ("invite"); #undef GW return (priv->invite && priv->organizer); } static void invite_entry_changed (BonoboListener *listener, char *event_name, CORBA_any *arg, CORBA_Environment *ev, gpointer user_data) { } static void add_section (GNOME_Evolution_Addressbook_SelectNames corba_select_names, const char *name) { Bonobo_Control corba_control; CORBA_Environment ev; GtkWidget *control_widget; BonoboControlFrame *cf; Bonobo_PropertyBag pb = CORBA_OBJECT_NIL; CORBA_exception_init (&ev); GNOME_Evolution_Addressbook_SelectNames_addSection (corba_select_names, name, name, &ev); corba_control = GNOME_Evolution_Addressbook_SelectNames_getEntryBySection ( corba_select_names, name, &ev); if (ev._major != CORBA_NO_EXCEPTION) { CORBA_exception_free (&ev); return; } CORBA_exception_free (&ev); control_widget = bonobo_widget_new_control_from_objref ( corba_control, CORBA_OBJECT_NIL); cf = bonobo_widget_get_control_frame (BONOBO_WIDGET (control_widget)); pb = bonobo_control_frame_get_control_property_bag (cf, NULL); bonobo_event_source_client_add_listener ( pb, invite_entry_changed, "Bonobo/Property:change:entry_changed", NULL, NULL); } static gboolean get_select_name_dialog (MeetingPage *mpage) { MeetingPagePrivate *priv; CORBA_Environment ev; priv = mpage->priv; if (priv->corba_select_names != CORBA_OBJECT_NIL) return TRUE; CORBA_exception_init (&ev); priv->corba_select_names = oaf_activate_from_id (SELECT_NAMES_OAFID, 0, NULL, &ev); add_section (priv->corba_select_names, "Required Participants"); add_section (priv->corba_select_names, "Optional Participants"); add_section (priv->corba_select_names, "Non-Participants"); /* OAF seems to be broken -- it can return a CORBA_OBJECT_NIL without raising an exception in `ev'. */ if (ev._major != CORBA_NO_EXCEPTION || priv->corba_select_names == CORBA_OBJECT_NIL) { g_warning ("Cannot activate -- %s", SELECT_NAMES_OAFID); CORBA_exception_free (&ev); return FALSE; } CORBA_exception_free (&ev); return TRUE; } /* This is called when any field is changed; it notifies upstream. */ static void field_changed_cb (GtkWidget *widget, gpointer data) { MeetingPage *mpage; MeetingPagePrivate *priv; mpage = MEETING_PAGE (data); priv = mpage->priv; if (!priv->updating) comp_editor_page_notify_changed (COMP_EDITOR_PAGE (mpage)); } /* Function called to invite more people */ static void invite_cb (GtkWidget *widget, gpointer data) { MeetingPage *mpage; MeetingPagePrivate *priv; CORBA_Environment ev; mpage = MEETING_PAGE (data); priv = mpage->priv; if (!get_select_name_dialog (mpage)) return; CORBA_exception_init (&ev); GNOME_Evolution_Addressbook_SelectNames_activateDialog ( priv->corba_select_names, "Required Participants", &ev); CORBA_exception_free (&ev); } /* Hooks the widget signals */ static void init_widgets (MeetingPage *mpage) { MeetingPagePrivate *priv; priv = mpage->priv; /* Organizer */ gtk_signal_connect (GTK_OBJECT (priv->organizer), "changed", GTK_SIGNAL_FUNC (field_changed_cb), mpage); /* Invite button */ gtk_signal_connect (GTK_OBJECT (priv->invite), "clicked", GTK_SIGNAL_FUNC (invite_cb), mpage); } static CalComponentCUType text_to_type (const char *type) { if (!g_strcasecmp (type, "Individual")) return CAL_COMPONENT_CUTYPE_INDIVIDUAL; else if (!g_strcasecmp (type, "Group")) return CAL_COMPONENT_CUTYPE_GROUP; else if (!g_strcasecmp (type, "Resource")) return CAL_COMPONENT_CUTYPE_RESOURCE; else if (!g_strcasecmp (type, "Room")) return CAL_COMPONENT_CUTYPE_ROOM; else return CAL_COMPONENT_ROLE_UNKNOWN; } static char * type_to_text (CalComponentCUType type) { switch (type) { case CAL_COMPONENT_CUTYPE_INDIVIDUAL: return "Individual"; case CAL_COMPONENT_CUTYPE_GROUP: return "Group"; case CAL_COMPONENT_CUTYPE_RESOURCE: return "Resource"; case CAL_COMPONENT_CUTYPE_ROOM: return "Room"; default: return "Unknown"; } return NULL; } static CalComponentRole text_to_role (const char *role) { if (!g_strcasecmp (role, "Chair")) return CAL_COMPONENT_ROLE_CHAIR; else if (!g_strcasecmp (role, "Required Participant")) return CAL_COMPONENT_ROLE_REQUIRED; else if (!g_strcasecmp (role, "Optional Participant")) return CAL_COMPONENT_ROLE_OPTIONAL; else if (!g_strcasecmp (role, "Non-Participant")) return CAL_COMPONENT_ROLE_NON; else return CAL_COMPONENT_ROLE_UNKNOWN; } static char * role_to_text (CalComponentRole role) { switch (role) { case CAL_COMPONENT_ROLE_CHAIR: return "Chair"; case CAL_COMPONENT_ROLE_REQUIRED: return "Required Participant"; case CAL_COMPONENT_ROLE_OPTIONAL: return "Optional Participant"; case CAL_COMPONENT_ROLE_NON: return "Non-Participant"; default: return "Unknown"; } return NULL; } static gboolean text_to_boolean (const char *role) { if (!g_strcasecmp (role, "Yes")) return TRUE; else return FALSE; } static char * boolean_to_text (gboolean b) { if (b) return "Yes"; else return "No"; } static CalComponentPartStat text_to_partstat (const char *partstat) { if (!g_strcasecmp (partstat, "Needs Action")) return CAL_COMPONENT_PARTSTAT_NEEDSACTION; else if (!g_strcasecmp (partstat, "Accepted")) return CAL_COMPONENT_PARTSTAT_ACCEPTED; else if (!g_strcasecmp (partstat, "Declined")) return CAL_COMPONENT_PARTSTAT_DECLINED; else if (!g_strcasecmp (partstat, "Tentative")) return CAL_COMPONENT_PARTSTAT_TENTATIVE; else if (!g_strcasecmp (partstat, "Delegated")) return CAL_COMPONENT_PARTSTAT_DELEGATED; else if (!g_strcasecmp (partstat, "Completed")) return CAL_COMPONENT_PARTSTAT_COMPLETED; else if (!g_strcasecmp (partstat, "In Process")) return CAL_COMPONENT_PARTSTAT_INPROCESS; else return CAL_COMPONENT_PARTSTAT_UNKNOWN; } static char * partstat_to_text (CalComponentPartStat partstat) { switch (partstat) { case CAL_COMPONENT_PARTSTAT_NEEDSACTION: return "Needs Action"; case CAL_COMPONENT_PARTSTAT_ACCEPTED: return "Accepted"; case CAL_COMPONENT_PARTSTAT_DECLINED: return "Declined"; case CAL_COMPONENT_PARTSTAT_TENTATIVE: return "Tentative"; case CAL_COMPONENT_PARTSTAT_DELEGATED: return "Delegated"; case CAL_COMPONENT_PARTSTAT_COMPLETED: return "Completed"; case CAL_COMPONENT_PARTSTAT_INPROCESS: return "In Process"; case CAL_COMPONENT_PARTSTAT_UNKNOWN: default: return "Unknown"; } return NULL; } static int column_count (ETableModel *etm, void *data) { return MEETING_COLUMN_COUNT; } static int row_count (ETableModel *etm, void *data) { MeetingPage *mpage; MeetingPagePrivate *priv; mpage = MEETING_PAGE (data); priv = mpage->priv; return g_slist_length (priv->attendees); } static void append_row (ETableModel *etm, ETableModel *model, int row, void *data) { MeetingPage *mpage; MeetingPagePrivate *priv; struct attendee *attendee; gint row_cnt; mpage = MEETING_PAGE (data); priv = mpage->priv; attendee = g_new0 (struct attendee, 1); attendee->address = g_strdup (e_table_model_value_at (model, MEETING_ATTENDEE_COL, row)); attendee->member = g_strdup (e_table_model_value_at (model, MEETING_MEMBER_COL, row)); attendee->cutype = text_to_type (e_table_model_value_at (model, MEETING_TYPE_COL, row)); attendee->role = text_to_role (e_table_model_value_at (model, MEETING_ROLE_COL, row)); attendee->rsvp = text_to_boolean (e_table_model_value_at (model, MEETING_RSVP_COL, row)); attendee->status = text_to_partstat (e_table_model_value_at (model, MEETING_STATUS_COL, row)); attendee->cn = g_strdup (e_table_model_value_at (model, MEETING_CN_COL, row)); attendee->language = g_strdup (e_table_model_value_at (model, MEETING_LANG_COL, row)); priv->attendees = g_slist_append (priv->attendees, attendee); row_cnt = row_count (etm, data) - 1; e_table_model_row_inserted (E_TABLE_MODEL (etm), row_cnt); comp_editor_page_notify_needs_send (COMP_EDITOR_PAGE (mpage)); comp_editor_page_notify_changed (COMP_EDITOR_PAGE (mpage)); } static void * value_at (ETableModel *etm, int col, int row, void *data) { MeetingPage *mpage; MeetingPagePrivate *priv; struct attendee *attendee; mpage = MEETING_PAGE (data); priv = mpage->priv; attendee = g_slist_nth_data (priv->attendees, row); switch (col) { case MEETING_ATTENDEE_COL: return attendee->address; case MEETING_MEMBER_COL: return attendee->member; case MEETING_TYPE_COL: return type_to_text (attendee->cutype); case MEETING_ROLE_COL: return role_to_text (attendee->role); case MEETING_RSVP_COL: return boolean_to_text (attendee->rsvp); case MEETING_STATUS_COL: return partstat_to_text (attendee->status); case MEETING_CN_COL: return attendee->cn; case MEETING_LANG_COL: return attendee->language; } return NULL; } static void set_value_at (ETableModel *etm, int col, int row, const void *val, void *data) { MeetingPage *mpage; MeetingPagePrivate *priv; struct attendee *attendee; mpage = MEETING_PAGE (data); priv = mpage->priv; attendee = g_slist_nth_data (priv->attendees, row); switch (col) { case MEETING_ATTENDEE_COL: attendee->address = g_strdup (val); break; case MEETING_MEMBER_COL: attendee->member = g_strdup (val); break; case MEETING_TYPE_COL: attendee->cutype = text_to_type (val); break; case MEETING_ROLE_COL: attendee->role = text_to_role (val); break; case MEETING_RSVP_COL: attendee->rsvp = text_to_boolean (val); break; case MEETING_STATUS_COL: attendee->status = text_to_partstat (val); break; case MEETING_CN_COL: attendee->cn = g_strdup (val); break; case MEETING_LANG_COL: attendee->language = g_strdup (val); break; } if (!priv->updating) { comp_editor_page_notify_needs_send (COMP_EDITOR_PAGE (mpage)); comp_editor_page_notify_changed (COMP_EDITOR_PAGE (mpage)); } } static gboolean is_cell_editable (ETableModel *etm, int col, int row, void *data) { return TRUE; } static void * duplicate_value (ETableModel *etm, int col, const void *val, void *data) { return g_strdup (val); } static void free_value (ETableModel *etm, int col, void *val, void *data) { g_free (val); } static void * init_value (ETableModel *etm, int col, void *data) { switch (col) { case MEETING_ATTENDEE_COL: return g_strdup (""); case MEETING_MEMBER_COL: return g_strdup (""); case MEETING_TYPE_COL: return g_strdup ("Individual"); case MEETING_ROLE_COL: return g_strdup ("Required Participant"); case MEETING_RSVP_COL: return g_strdup ("Yes"); case MEETING_STATUS_COL: return g_strdup ("Needs Action"); case MEETING_CN_COL: return g_strdup (""); case MEETING_LANG_COL: return g_strdup ("English"); } return g_strdup (""); } static gboolean value_is_empty (ETableModel *etm, int col, const void *val, void *data) { if (col == 0) { if (val && !g_strcasecmp (val, "")) return TRUE; else return FALSE; } return TRUE; } static char * value_to_string (ETableModel *etm, int col, const void *val, void *data) { return g_strdup (val); } static void build_etable (MeetingPage *mpage) { MeetingPagePrivate *priv; ETableExtras *extras; GList *strings; ECell *popup_cell, *cell; priv = mpage->priv; extras = e_table_extras_new (); /* For role */ cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT); popup_cell = e_cell_combo_new (); e_cell_popup_set_child (E_CELL_POPUP (popup_cell), cell); gtk_object_unref (GTK_OBJECT (cell)); strings = NULL; strings = g_list_append (strings, "Chair"); strings = g_list_append (strings, "Required Participant"); strings = g_list_append (strings, "Optional Participant"); strings = g_list_append (strings, "Non-Participant"); strings = g_list_append (strings, "Unknown"); e_cell_combo_set_popdown_strings (E_CELL_COMBO (popup_cell), strings); e_table_extras_add_cell (extras, "roleedit", popup_cell); /* For rsvp */ cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT); popup_cell = e_cell_combo_new (); e_cell_popup_set_child (E_CELL_POPUP (popup_cell), cell); gtk_object_unref (GTK_OBJECT (cell)); strings = NULL; strings = g_list_append (strings, "Yes"); strings = g_list_append (strings, "No"); e_cell_combo_set_popdown_strings (E_CELL_COMBO (popup_cell), strings); e_table_extras_add_cell (extras, "rsvpedit", popup_cell); /* For status */ cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT); popup_cell = e_cell_combo_new (); e_cell_popup_set_child (E_CELL_POPUP (popup_cell), cell); gtk_object_unref (GTK_OBJECT (cell)); strings = NULL; strings = g_list_append (strings, "Needs Action"); strings = g_list_append (strings, "Accepted"); strings = g_list_append (strings, "Declined"); strings = g_list_append (strings, "Tentative"); strings = g_list_append (strings, "Delegated"); e_cell_combo_set_popdown_strings (E_CELL_COMBO (popup_cell), strings); e_table_extras_add_cell (extras, "statusedit", popup_cell); /* The table itself */ priv->model = e_table_simple_new (column_count, row_count, value_at, set_value_at, is_cell_editable, duplicate_value, free_value, init_value, value_is_empty, value_to_string, mpage); gtk_object_set (GTK_OBJECT (priv->model), "append_row", append_row, NULL); priv->etable = e_table_scrolled_new (priv->model, extras, MEETING_PAGE_TABLE_SPEC, NULL); gtk_object_unref (GTK_OBJECT (extras)); } /** * meeting_page_construct: * @mpage: An task details page. * * Constructs an task page by loading its Glade data. * * Return value: The same object as @mpage, or NULL if the widgets could not * be created. **/ MeetingPage * meeting_page_construct (MeetingPage *mpage) { MeetingPagePrivate *priv; priv = mpage->priv; priv->xml = glade_xml_new (EVOLUTION_GLADEDIR "/meeting-page.glade", NULL); if (!priv->xml) { g_message ("meeting_page_construct(): " "Could not load the Glade XML file!"); return NULL; } if (!get_widgets (mpage)) { g_message ("meeting_page_construct(): " "Could not find all widgets in the XML file!"); return NULL; } /* The etable displaying attendees and their status */ build_etable (mpage); gtk_widget_show (priv->etable); gtk_box_pack_start (GTK_BOX (priv->main), priv->etable, TRUE, TRUE, 2); /* Init the widget signals */ init_widgets (mpage); return mpage; } /** * meeting_page_new: * * Creates a new task details page. * * Return value: A newly-created task details page, or NULL if the page could * not be created. **/ MeetingPage * meeting_page_new (void) { MeetingPage *mpage; mpage = gtk_type_new (TYPE_MEETING_PAGE); if (!meeting_page_construct (mpage)) { gtk_object_unref (GTK_OBJECT (mpage)); return NULL; } return mpage; }