File: Cursor.d

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gtk-d 3.10.0-5
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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 gdk.Cursor;

private import cairo.Surface;
private import gdk.Display;
private import gdk.c.functions;
public  import gdk.c.types;
private import gdkpixbuf.Pixbuf;
private import glib.ConstructionException;
private import glib.Str;
private import gobject.ObjectG;
public  import gtkc.gdktypes;


/**
 * A #GdkCursor represents a cursor. Its contents are private.
 */
public class Cursor : ObjectG
{
	/** the main Gtk struct */
	protected GdkCursor* gdkCursor;

	/** Get the main Gtk struct */
	public GdkCursor* getCursorStruct(bool transferOwnership = false)
	{
		if (transferOwnership)
			ownedRef = false;
		return gdkCursor;
	}

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

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


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

	/**
	 * Creates a new cursor from the set of builtin cursors for the default display.
	 * See gdk_cursor_new_for_display().
	 *
	 * To make the cursor invisible, use %GDK_BLANK_CURSOR.
	 *
	 * Deprecated: Use gdk_cursor_new_for_display() instead.
	 *
	 * Params:
	 *     cursorType = cursor to create
	 *
	 * Returns: a new #GdkCursor
	 *
	 * Throws: ConstructionException GTK+ fails to create the object.
	 */
	public this(GdkCursorType cursorType)
	{
		auto p = gdk_cursor_new(cursorType);

		if(p is null)
		{
			throw new ConstructionException("null returned by new");
		}

		this(cast(GdkCursor*) p, true);
	}

	/**
	 * Creates a new cursor from the set of builtin cursors.
	 *
	 * Params:
	 *     display = the #GdkDisplay for which the cursor will be created
	 *     cursorType = cursor to create
	 *
	 * Returns: a new #GdkCursor
	 *
	 * Since: 2.2
	 *
	 * Throws: ConstructionException GTK+ fails to create the object.
	 */
	public this(Display display, GdkCursorType cursorType)
	{
		auto p = gdk_cursor_new_for_display((display is null) ? null : display.getDisplayStruct(), cursorType);

		if(p is null)
		{
			throw new ConstructionException("null returned by new_for_display");
		}

		this(cast(GdkCursor*) p, true);
	}

	/**
	 * Creates a new cursor by looking up @name in the current cursor
	 * theme.
	 *
	 * A recommended set of cursor names that will work across different
	 * platforms can be found in the CSS specification:
	 * - "none"
	 * - ![](default_cursor.png) "default"
	 * - ![](help_cursor.png) "help"
	 * - ![](pointer_cursor.png) "pointer"
	 * - ![](context_menu_cursor.png) "context-menu"
	 * - ![](progress_cursor.png) "progress"
	 * - ![](wait_cursor.png) "wait"
	 * - ![](cell_cursor.png) "cell"
	 * - ![](crosshair_cursor.png) "crosshair"
	 * - ![](text_cursor.png) "text"
	 * - ![](vertical_text_cursor.png) "vertical-text"
	 * - ![](alias_cursor.png) "alias"
	 * - ![](copy_cursor.png) "copy"
	 * - ![](no_drop_cursor.png) "no-drop"
	 * - ![](move_cursor.png) "move"
	 * - ![](not_allowed_cursor.png) "not-allowed"
	 * - ![](grab_cursor.png) "grab"
	 * - ![](grabbing_cursor.png) "grabbing"
	 * - ![](all_scroll_cursor.png) "all-scroll"
	 * - ![](col_resize_cursor.png) "col-resize"
	 * - ![](row_resize_cursor.png) "row-resize"
	 * - ![](n_resize_cursor.png) "n-resize"
	 * - ![](e_resize_cursor.png) "e-resize"
	 * - ![](s_resize_cursor.png) "s-resize"
	 * - ![](w_resize_cursor.png) "w-resize"
	 * - ![](ne_resize_cursor.png) "ne-resize"
	 * - ![](nw_resize_cursor.png) "nw-resize"
	 * - ![](sw_resize_cursor.png) "sw-resize"
	 * - ![](se_resize_cursor.png) "se-resize"
	 * - ![](ew_resize_cursor.png) "ew-resize"
	 * - ![](ns_resize_cursor.png) "ns-resize"
	 * - ![](nesw_resize_cursor.png) "nesw-resize"
	 * - ![](nwse_resize_cursor.png) "nwse-resize"
	 * - ![](zoom_in_cursor.png) "zoom-in"
	 * - ![](zoom_out_cursor.png) "zoom-out"
	 *
	 * Params:
	 *     display = the #GdkDisplay for which the cursor will be created
	 *     name = the name of the cursor
	 *
	 * Returns: a new #GdkCursor, or %NULL if there is no
	 *     cursor with the given name
	 *
	 * Since: 2.8
	 *
	 * Throws: ConstructionException GTK+ fails to create the object.
	 */
	public this(Display display, string name)
	{
		auto p = gdk_cursor_new_from_name((display is null) ? null : display.getDisplayStruct(), Str.toStringz(name));

		if(p is null)
		{
			throw new ConstructionException("null returned by new_from_name");
		}

		this(cast(GdkCursor*) p, true);
	}

	/**
	 * Creates a new cursor from a pixbuf.
	 *
	 * Not all GDK backends support RGBA cursors. If they are not
	 * supported, a monochrome approximation will be displayed.
	 * The functions gdk_display_supports_cursor_alpha() and
	 * gdk_display_supports_cursor_color() can be used to determine
	 * whether RGBA cursors are supported;
	 * gdk_display_get_default_cursor_size() and
	 * gdk_display_get_maximal_cursor_size() give information about
	 * cursor sizes.
	 *
	 * If @x or @y are `-1`, the pixbuf must have
	 * options named “x_hot” and “y_hot”, resp., containing
	 * integer values between `0` and the width resp. height of
	 * the pixbuf. (Since: 3.0)
	 *
	 * On the X backend, support for RGBA cursors requires a
	 * sufficently new version of the X Render extension.
	 *
	 * Params:
	 *     display = the #GdkDisplay for which the cursor will be created
	 *     pixbuf = the #GdkPixbuf containing the cursor image
	 *     x = the horizontal offset of the “hotspot” of the cursor.
	 *     y = the vertical offset of the “hotspot” of the cursor.
	 *
	 * Returns: a new #GdkCursor.
	 *
	 * Since: 2.4
	 *
	 * Throws: ConstructionException GTK+ fails to create the object.
	 */
	public this(Display display, Pixbuf pixbuf, int x, int y)
	{
		auto p = gdk_cursor_new_from_pixbuf((display is null) ? null : display.getDisplayStruct(), (pixbuf is null) ? null : pixbuf.getPixbufStruct(), x, y);

		if(p is null)
		{
			throw new ConstructionException("null returned by new_from_pixbuf");
		}

		this(cast(GdkCursor*) p, true);
	}

	/**
	 * Creates a new cursor from a cairo image surface.
	 *
	 * Not all GDK backends support RGBA cursors. If they are not
	 * supported, a monochrome approximation will be displayed.
	 * The functions gdk_display_supports_cursor_alpha() and
	 * gdk_display_supports_cursor_color() can be used to determine
	 * whether RGBA cursors are supported;
	 * gdk_display_get_default_cursor_size() and
	 * gdk_display_get_maximal_cursor_size() give information about
	 * cursor sizes.
	 *
	 * On the X backend, support for RGBA cursors requires a
	 * sufficently new version of the X Render extension.
	 *
	 * Params:
	 *     display = the #GdkDisplay for which the cursor will be created
	 *     surface = the cairo image surface containing the cursor pixel data
	 *     x = the horizontal offset of the “hotspot” of the cursor
	 *     y = the vertical offset of the “hotspot” of the cursor
	 *
	 * Returns: a new #GdkCursor.
	 *
	 * Since: 3.10
	 *
	 * Throws: ConstructionException GTK+ fails to create the object.
	 */
	public this(Display display, Surface surface, double x, double y)
	{
		auto p = gdk_cursor_new_from_surface((display is null) ? null : display.getDisplayStruct(), (surface is null) ? null : surface.getSurfaceStruct(), x, y);

		if(p is null)
		{
			throw new ConstructionException("null returned by new_from_surface");
		}

		this(cast(GdkCursor*) p, true);
	}

	/**
	 * Returns the cursor type for this cursor.
	 *
	 * Returns: a #GdkCursorType
	 *
	 * Since: 2.22
	 */
	public GdkCursorType getCursorType()
	{
		return gdk_cursor_get_cursor_type(gdkCursor);
	}

	/**
	 * Returns the display on which the #GdkCursor is defined.
	 *
	 * Returns: the #GdkDisplay associated to @cursor
	 *
	 * Since: 2.2
	 */
	public Display getDisplay()
	{
		auto p = gdk_cursor_get_display(gdkCursor);

		if(p is null)
		{
			return null;
		}

		return ObjectG.getDObject!(Display)(cast(GdkDisplay*) p);
	}

	/**
	 * Returns a #GdkPixbuf with the image used to display the cursor.
	 *
	 * Note that depending on the capabilities of the windowing system and
	 * on the cursor, GDK may not be able to obtain the image data. In this
	 * case, %NULL is returned.
	 *
	 * Returns: a #GdkPixbuf representing
	 *     @cursor, or %NULL
	 *
	 * Since: 2.8
	 */
	public Pixbuf getImage()
	{
		auto p = gdk_cursor_get_image(gdkCursor);

		if(p is null)
		{
			return null;
		}

		return ObjectG.getDObject!(Pixbuf)(cast(GdkPixbuf*) p, true);
	}

	/**
	 * Returns a cairo image surface with the image used to display the cursor.
	 *
	 * Note that depending on the capabilities of the windowing system and
	 * on the cursor, GDK may not be able to obtain the image data. In this
	 * case, %NULL is returned.
	 *
	 * Params:
	 *     xHot = Location to store the hotspot x position,
	 *         or %NULL
	 *     yHot = Location to store the hotspot y position,
	 *         or %NULL
	 *
	 * Returns: a #cairo_surface_t
	 *     representing @cursor, or %NULL
	 *
	 * Since: 3.10
	 */
	public Surface getSurface(out double xHot, out double yHot)
	{
		auto p = gdk_cursor_get_surface(gdkCursor, &xHot, &yHot);

		if(p is null)
		{
			return null;
		}

		return new Surface(cast(cairo_surface_t*) p);
	}

	alias doref = ref_;
	/**
	 * Adds a reference to @cursor.
	 *
	 * Deprecated: Use g_object_ref() instead
	 *
	 * Returns: Same @cursor that was passed in
	 */
	public override Cursor ref_()
	{
		auto p = gdk_cursor_ref(gdkCursor);

		if(p is null)
		{
			return null;
		}

		return ObjectG.getDObject!(Cursor)(cast(GdkCursor*) p, true);
	}

	/**
	 * Removes a reference from @cursor, deallocating the cursor
	 * if no references remain.
	 *
	 * Deprecated: Use g_object_unref() instead
	 */
	public override void unref()
	{
		gdk_cursor_unref(gdkCursor);
	}
}