File: TypeModule.d

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/*
 * This file is part of gtkD.
 *
 * gtkD is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version, with
 * some exceptions, please read the COPYING file.
 *
 * gtkD 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with gtkD; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
 */

// generated automatically - do not change
// find conversion definition on APILookup.txt
// implement new conversion functionalities on the wrap.utils pakage


module gobject.TypeModule;

private import glib.Str;
private import gobject.ObjectG;
private import gobject.TypePluginIF;
private import gobject.TypePluginT;
private import gobject.c.functions;
public  import gobject.c.types;
public  import gtkc.gobjecttypes;


/**
 * #GTypeModule provides a simple implementation of the #GTypePlugin
 * interface. The model of #GTypeModule is a dynamically loaded module
 * which implements some number of types and interface implementations.
 * When the module is loaded, it registers its types and interfaces
 * using g_type_module_register_type() and g_type_module_add_interface().
 * As long as any instances of these types and interface implementations
 * are in use, the module is kept loaded. When the types and interfaces
 * are gone, the module may be unloaded. If the types and interfaces
 * become used again, the module will be reloaded. Note that the last
 * unref cannot happen in module code, since that would lead to the
 * caller's code being unloaded before g_object_unref() returns to it.
 * 
 * Keeping track of whether the module should be loaded or not is done by
 * using a use count - it starts at zero, and whenever it is greater than
 * zero, the module is loaded. The use count is maintained internally by
 * the type system, but also can be explicitly controlled by
 * g_type_module_use() and g_type_module_unuse(). Typically, when loading
 * a module for the first type, g_type_module_use() will be used to load
 * it so that it can initialize its types. At some later point, when the
 * module no longer needs to be loaded except for the type
 * implementations it contains, g_type_module_unuse() is called.
 * 
 * #GTypeModule does not actually provide any implementation of module
 * loading and unloading. To create a particular module type you must
 * derive from #GTypeModule and implement the load and unload functions
 * in #GTypeModuleClass.
 */
public class TypeModule : ObjectG, TypePluginIF
{
	/** the main Gtk struct */
	protected GTypeModule* gTypeModule;

	/** Get the main Gtk struct */
	public GTypeModule* getTypeModuleStruct(bool transferOwnership = false)
	{
		if (transferOwnership)
			ownedRef = false;
		return gTypeModule;
	}

	/** the main Gtk struct as a void* */
	protected override void* getStruct()
	{
		return cast(void*)gTypeModule;
	}

	/**
	 * Sets our main struct and passes it to the parent class.
	 */
	public this (GTypeModule* gTypeModule, bool ownedRef = false)
	{
		this.gTypeModule = gTypeModule;
		super(cast(GObject*)gTypeModule, ownedRef);
	}

	// add the TypePlugin capabilities
	mixin TypePluginT!(GTypeModule);


	/** */
	public static GType getType()
	{
		return g_type_module_get_type();
	}

	/**
	 * Registers an additional interface for a type, whose interface lives
	 * in the given type plugin. If the interface was already registered
	 * for the type in this plugin, nothing will be done.
	 *
	 * As long as any instances of the type exist, the type plugin will
	 * not be unloaded.
	 *
	 * Since 2.56 if @module is %NULL this will call g_type_add_interface_static()
	 * instead. This can be used when making a static build of the module.
	 *
	 * Params:
	 *     instanceType = type to which to add the interface.
	 *     interfaceType = interface type to add
	 *     interfaceInfo = type information structure
	 */
	public void addInterface(GType instanceType, GType interfaceType, GInterfaceInfo* interfaceInfo)
	{
		g_type_module_add_interface(gTypeModule, instanceType, interfaceType, interfaceInfo);
	}

	/**
	 * Looks up or registers an enumeration that is implemented with a particular
	 * type plugin. If a type with name @type_name was previously registered,
	 * the #GType identifier for the type is returned, otherwise the type
	 * is newly registered, and the resulting #GType identifier returned.
	 *
	 * As long as any instances of the type exist, the type plugin will
	 * not be unloaded.
	 *
	 * Since 2.56 if @module is %NULL this will call g_type_register_static()
	 * instead. This can be used when making a static build of the module.
	 *
	 * Params:
	 *     name = name for the type
	 *     constStaticValues = an array of #GEnumValue structs for the
	 *         possible enumeration values. The array is
	 *         terminated by a struct with all members being
	 *         0.
	 *
	 * Returns: the new or existing type ID
	 *
	 * Since: 2.6
	 */
	public GType registerEnum(string name, GEnumValue* constStaticValues)
	{
		return g_type_module_register_enum(gTypeModule, Str.toStringz(name), constStaticValues);
	}

	/**
	 * Looks up or registers a flags type that is implemented with a particular
	 * type plugin. If a type with name @type_name was previously registered,
	 * the #GType identifier for the type is returned, otherwise the type
	 * is newly registered, and the resulting #GType identifier returned.
	 *
	 * As long as any instances of the type exist, the type plugin will
	 * not be unloaded.
	 *
	 * Since 2.56 if @module is %NULL this will call g_type_register_static()
	 * instead. This can be used when making a static build of the module.
	 *
	 * Params:
	 *     name = name for the type
	 *     constStaticValues = an array of #GFlagsValue structs for the
	 *         possible flags values. The array is
	 *         terminated by a struct with all members being
	 *         0.
	 *
	 * Returns: the new or existing type ID
	 *
	 * Since: 2.6
	 */
	public GType registerFlags(string name, GFlagsValue* constStaticValues)
	{
		return g_type_module_register_flags(gTypeModule, Str.toStringz(name), constStaticValues);
	}

	/**
	 * Looks up or registers a type that is implemented with a particular
	 * type plugin. If a type with name @type_name was previously registered,
	 * the #GType identifier for the type is returned, otherwise the type
	 * is newly registered, and the resulting #GType identifier returned.
	 *
	 * When reregistering a type (typically because a module is unloaded
	 * then reloaded, and reinitialized), @module and @parent_type must
	 * be the same as they were previously.
	 *
	 * As long as any instances of the type exist, the type plugin will
	 * not be unloaded.
	 *
	 * Since 2.56 if @module is %NULL this will call g_type_register_static()
	 * instead. This can be used when making a static build of the module.
	 *
	 * Params:
	 *     parentType = the type for the parent class
	 *     typeName = name for the type
	 *     typeInfo = type information structure
	 *     flags = flags field providing details about the type
	 *
	 * Returns: the new or existing type ID
	 */
	public GType registerType(GType parentType, string typeName, GTypeInfo* typeInfo, GTypeFlags flags)
	{
		return g_type_module_register_type(gTypeModule, parentType, Str.toStringz(typeName), typeInfo, flags);
	}

	/**
	 * Sets the name for a #GTypeModule
	 *
	 * Params:
	 *     name = a human-readable name to use in error messages.
	 */
	public void setName(string name)
	{
		g_type_module_set_name(gTypeModule, Str.toStringz(name));
	}

	/**
	 * Decreases the use count of a #GTypeModule by one. If the
	 * result is zero, the module will be unloaded. (However, the
	 * #GTypeModule will not be freed, and types associated with the
	 * #GTypeModule are not unregistered. Once a #GTypeModule is
	 * initialized, it must exist forever.)
	 */
	public void unuse()
	{
		g_type_module_unuse(gTypeModule);
	}

	/**
	 * Increases the use count of a #GTypeModule by one. If the
	 * use count was zero before, the plugin will be loaded.
	 * If loading the plugin fails, the use count is reset to
	 * its prior value.
	 *
	 * Returns: %FALSE if the plugin needed to be loaded and
	 *     loading the plugin failed.
	 */
	public bool use()
	{
		return g_type_module_use(gTypeModule) != 0;
	}
}