mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-17 23:10:22 +00:00
297 lines
9.6 KiB
C
297 lines
9.6 KiB
C
/* GDK - The GIMP Drawing Kit
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
*
|
|
* This library 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 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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 this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
/*
|
|
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
|
|
* file for a list of people on the GTK+ Team. See the ChangeLog
|
|
* files for a list of changes. These files are distributed with
|
|
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
|
|
*/
|
|
|
|
#include <X11/Xlib.h>
|
|
#include <X11/cursorfont.h>
|
|
|
|
#include "gdkprivate-x11.h"
|
|
#include "gdkcursor.h"
|
|
#include "gdkpixmap-x11.h"
|
|
#include "gdkx.h"
|
|
#include <gdk/gdkpixmap.h>
|
|
|
|
/**
|
|
* gdk_cursor_new_for_display:
|
|
* @display: the #GdkDisplay for which the cursor will be created
|
|
* @cursor_type: cursor to create
|
|
*
|
|
* Creates a new cursor from the set of builtin cursors.
|
|
* Some useful ones are:
|
|
* <itemizedlist>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="right_ptr.png"></inlinegraphic> #GDK_RIGHT_PTR (right-facing arrow)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="crosshair.png"></inlinegraphic> #GDK_CROSSHAIR (crosshair)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="xterm.png"></inlinegraphic> #GDK_XTERM (I-beam)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="watch.png"></inlinegraphic> #GDK_WATCH (busy)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="fleur.png"></inlinegraphic> #GDK_FLEUR (for moving objects)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="hand1.png"></inlinegraphic> #GDK_HAND1 (a right-pointing hand)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="hand2.png"></inlinegraphic> #GDK_HAND2 (a left-pointing hand)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="left_side.png"></inlinegraphic> #GDK_LEFT_SIDE (resize left side)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="right_side.png"></inlinegraphic> #GDK_RIGHT_SIDE (resize right side)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="top_left_corner.png"></inlinegraphic> #GDK_TOP_LEFT_CORNER (resize northwest corner)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="top_right_corner.png"></inlinegraphic> #GDK_TOP_RIGHT_CORNER (resize northeast corner)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="bottom_left_corner.png"></inlinegraphic> #GDK_BOTTOM_LEFT_CORNER (resize southwest corner)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="bottom_right_corner.png"></inlinegraphic> #GDK_BOTTOM_RIGHT_CORNER (resize southeast corner)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="top_side.png"></inlinegraphic> #GDK_TOP_SIDE (resize top side)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="bottom_side.png"></inlinegraphic> #GDK_BOTTOM_SIDE (resize bottom side)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="sb_h_double_arrow.png"></inlinegraphic> #GDK_SB_H_DOUBLE_ARROW (move vertical splitter)
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* <inlinegraphic format="PNG" fileref="sb_v_double_arrow.png"></inlinegraphic> #GDK_SB_V_DOUBLE_ARROW (move horizontal splitter)
|
|
* </para></listitem>
|
|
* </itemizedlist>
|
|
*
|
|
* To make the cursor invisible, use gdk_cursor_new_from_pixmap() to create
|
|
* a cursor with no pixels in it.
|
|
*
|
|
* Return value: a new #GdkCursor
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
GdkCursor*
|
|
gdk_cursor_new_for_display (GdkDisplay *display,
|
|
GdkCursorType cursor_type)
|
|
{
|
|
GdkCursorPrivate *private;
|
|
GdkCursor *cursor;
|
|
Cursor xcursor;
|
|
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
|
|
if (display->closed)
|
|
xcursor = None;
|
|
else
|
|
xcursor = XCreateFontCursor (GDK_DISPLAY_XDISPLAY (display), cursor_type);
|
|
|
|
private = g_new (GdkCursorPrivate, 1);
|
|
private->display = display;
|
|
private->xcursor = xcursor;
|
|
cursor = (GdkCursor *) private;
|
|
cursor->type = cursor_type;
|
|
cursor->ref_count = 1;
|
|
|
|
return cursor;
|
|
}
|
|
|
|
/**
|
|
* gdk_cursor_new_from_pixmap:
|
|
* @source: the pixmap specifying the cursor.
|
|
* @mask: the pixmap specifying the mask, which must be the same size as
|
|
* @source.
|
|
* @fg: the foreground color, used for the bits in the source which are 1.
|
|
* The color does not have to be allocated first.
|
|
* @bg: the background color, used for the bits in the source which are 0.
|
|
* The color does not have to be allocated first.
|
|
* @x: the horizontal offset of the 'hotspot' of the cursor.
|
|
* @y: the vertical offset of the 'hotspot' of the cursor.
|
|
*
|
|
* Creates a new cursor from a given pixmap and mask. Both the pixmap and mask
|
|
* must have a depth of 1 (i.e. each pixel has only 2 values - on or off).
|
|
* The standard cursor size is 16 by 16 pixels. You can create a bitmap
|
|
* from inline data as in the below example.
|
|
*
|
|
* <example><title>Creating a custom cursor</title>
|
|
* <programlisting>
|
|
* /<!-- -->* This data is in X bitmap format, and can be created with the 'bitmap'
|
|
* utility. *<!-- -->/
|
|
* #define cursor1_width 16
|
|
* #define cursor1_height 16
|
|
* static unsigned char cursor1_bits[] = {
|
|
* 0x80, 0x01, 0x40, 0x02, 0x20, 0x04, 0x10, 0x08, 0x08, 0x10, 0x04, 0x20,
|
|
* 0x82, 0x41, 0x41, 0x82, 0x41, 0x82, 0x82, 0x41, 0x04, 0x20, 0x08, 0x10,
|
|
* 0x10, 0x08, 0x20, 0x04, 0x40, 0x02, 0x80, 0x01};
|
|
*
|
|
* static unsigned char cursor1mask_bits[] = {
|
|
* 0x80, 0x01, 0xc0, 0x03, 0x60, 0x06, 0x30, 0x0c, 0x18, 0x18, 0x8c, 0x31,
|
|
* 0xc6, 0x63, 0x63, 0xc6, 0x63, 0xc6, 0xc6, 0x63, 0x8c, 0x31, 0x18, 0x18,
|
|
* 0x30, 0x0c, 0x60, 0x06, 0xc0, 0x03, 0x80, 0x01};
|
|
*
|
|
*
|
|
* GdkCursor *cursor;
|
|
* GdkPixmap *source, *mask;
|
|
* GdkColor fg = { 0, 65535, 0, 0 }; /<!-- -->* Red. *<!-- -->/
|
|
* GdkColor bg = { 0, 0, 0, 65535 }; /<!-- -->* Blue. *<!-- -->/
|
|
*
|
|
*
|
|
* source = gdk_bitmap_create_from_data (NULL, cursor1_bits,
|
|
* cursor1_width, cursor1_height);
|
|
* mask = gdk_bitmap_create_from_data (NULL, cursor1mask_bits,
|
|
* cursor1_width, cursor1_height);
|
|
* cursor = gdk_cursor_new_from_pixmap (source, mask, &fg, &bg, 8, 8);
|
|
* gdk_pixmap_unref (source);
|
|
* gdk_pixmap_unref (mask);
|
|
*
|
|
*
|
|
* gdk_window_set_cursor (widget->window, cursor);
|
|
* </programlisting>
|
|
* </example>
|
|
*
|
|
* Return value: a new #GdkCursor.
|
|
**/
|
|
GdkCursor*
|
|
gdk_cursor_new_from_pixmap (GdkPixmap *source,
|
|
GdkPixmap *mask,
|
|
GdkColor *fg,
|
|
GdkColor *bg,
|
|
gint x,
|
|
gint y)
|
|
{
|
|
GdkCursorPrivate *private;
|
|
GdkCursor *cursor;
|
|
Pixmap source_pixmap, mask_pixmap;
|
|
Cursor xcursor;
|
|
XColor xfg, xbg;
|
|
GdkDisplay *display;
|
|
|
|
g_return_val_if_fail (GDK_IS_PIXMAP (source), NULL);
|
|
g_return_val_if_fail (GDK_IS_PIXMAP (mask), NULL);
|
|
g_return_val_if_fail (fg != NULL, NULL);
|
|
g_return_val_if_fail (bg != NULL, NULL);
|
|
|
|
source_pixmap = GDK_PIXMAP_XID (source);
|
|
mask_pixmap = GDK_PIXMAP_XID (mask);
|
|
display = GDK_PIXMAP_DISPLAY (source);
|
|
|
|
xfg.pixel = fg->pixel;
|
|
xfg.red = fg->red;
|
|
xfg.blue = fg->blue;
|
|
xfg.green = fg->green;
|
|
xbg.pixel = bg->pixel;
|
|
xbg.red = bg->red;
|
|
xbg.blue = bg->blue;
|
|
xbg.green = bg->green;
|
|
|
|
if (display->closed)
|
|
xcursor = None;
|
|
else
|
|
xcursor = XCreatePixmapCursor (GDK_DISPLAY_XDISPLAY (display),
|
|
source_pixmap, mask_pixmap, &xfg, &xbg, x, y);
|
|
private = g_new (GdkCursorPrivate, 1);
|
|
private->display = display;
|
|
private->xcursor = xcursor;
|
|
cursor = (GdkCursor *) private;
|
|
cursor->type = GDK_CURSOR_IS_PIXMAP;
|
|
cursor->ref_count = 1;
|
|
|
|
return cursor;
|
|
}
|
|
|
|
void
|
|
_gdk_cursor_destroy (GdkCursor *cursor)
|
|
{
|
|
GdkCursorPrivate *private;
|
|
|
|
g_return_if_fail (cursor != NULL);
|
|
g_return_if_fail (cursor->ref_count == 0);
|
|
|
|
private = (GdkCursorPrivate *) cursor;
|
|
if (!private->display->closed && private->xcursor)
|
|
XFreeCursor (GDK_DISPLAY_XDISPLAY (private->display), private->xcursor);
|
|
|
|
g_free (private);
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_cursor_get_xdisplay:
|
|
* @cursor: a #GdkCursor.
|
|
*
|
|
* Returns the display of a #GdkCursor.
|
|
*
|
|
* Return value: an Xlib <type>Display*</type>.
|
|
**/
|
|
Display *
|
|
gdk_x11_cursor_get_xdisplay (GdkCursor *cursor)
|
|
{
|
|
g_return_val_if_fail (cursor != NULL, NULL);
|
|
|
|
return GDK_DISPLAY_XDISPLAY(((GdkCursorPrivate *)cursor)->display);
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_cursor_get_xcursor:
|
|
* @cursor: a #GdkCursor.
|
|
*
|
|
* Returns the X cursor belonging to a #GdkCursor.
|
|
*
|
|
* Return value: an Xlib <type>Cursor</type>.
|
|
**/
|
|
Cursor
|
|
gdk_x11_cursor_get_xcursor (GdkCursor *cursor)
|
|
{
|
|
g_return_val_if_fail (cursor != NULL, None);
|
|
|
|
return ((GdkCursorPrivate *)cursor)->xcursor;
|
|
}
|
|
|
|
/**
|
|
* gdk_cursor_get_display:
|
|
* @cursor: a #GdkCursor.
|
|
*
|
|
* Returns the display on which the #GdkCursor is defined.
|
|
*
|
|
* Returns: the #GdkDisplay associated to @cursor
|
|
*
|
|
* Since: 2.2
|
|
*/
|
|
|
|
GdkDisplay *
|
|
gdk_cursor_get_display (GdkCursor *cursor)
|
|
{
|
|
g_return_val_if_fail (cursor != NULL, NULL);
|
|
|
|
return ((GdkCursorPrivate *)cursor)->display;
|
|
}
|