pidgin/pidgin

Use G_DECLARE_DERIVABLE_TYPE for PurpleConversation and additional cleanups

The setters for PurpleConversation are kind of crappy because of the
conversation cache in the purple_conversations api, which we'll address at a
later time.

Testing Done:
Compiled and ran locally, parted a chat and just signed out to verify no new issues.

Reviewed at https://reviews.imfreedom.org/r/613/
/*
* pidgin
*
* Pidgin is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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, see <https://www.gnu.org/licenses/>.
*/
#if !defined(PIDGIN_GLOBAL_HEADER_INSIDE) && !defined(PIDGIN_COMPILATION)
# error "only <pidgin.h> may be included directly"
#endif
#ifndef PIDGIN_DIALOG_H
#define PIDGIN_DIALOG_H
/**
* SECTION:pidgindialog
* @section_id: pidgin-dialog
* @short_description: A base dialog widget.
* @title: Dialog
*
* #PidginDialog is a transitional widget as we slowly migrate everything to
* glade.
*/
#include <glib.h>
#include <gtk/gtk.h>
G_BEGIN_DECLS
#define PIDGIN_TYPE_DIALOG (pidgin_dialog_get_type())
G_DECLARE_FINAL_TYPE(PidginDialog, pidgin_dialog, PIDGIN,
DIALOG, GtkDialog)
/**
* pidgin_dialog_new:
* @title: The dialog title, or %NULL.
* @border_width: The dialog's desired border width.
* @role: A string indicating what the dialog is responsible for doing, or
* %NULL.
* @resizable: Whether the dialog should be resizable.
*
* Creates a new #PidginDialog instance.
*
* Returns: (transfer full): The new #PidginDialog instance.
*
* Since: 3.0.0
*/
GtkWidget *pidgin_dialog_new(const gchar *title, guint border_width, const gchar *role, gboolean resizable);
G_END_DECLS
#endif /* PIDGIN_DIALOG_H */