mirror of
https://github.com/brl/mutter.git
synced 2024-12-24 12:02:04 +00:00
cursor-tracker: Split out XFIXES cursor code into cursor sprite type
Remove some X11 compositing manager specific code from the general purpose cursor tracker into a new MetaCursorSprite based special purpose XFIXES cursor sprite. https://gitlab.gnome.org/GNOME/mutter/issues/77
This commit is contained in:
Jonas Ådahl
parent
3c538d4a92
commit
b8336633a7
@ -178,6 +178,8 @@ libmutter_@LIBMUTTER_API_VERSION@_la_SOURCES = \
|
||||
backends/x11/meta-gpu-xrandr.h \
|
||||
backends/x11/cm/meta-backend-x11-cm.c \
|
||||
backends/x11/cm/meta-backend-x11-cm.h \
|
||||
backends/x11/cm/meta-cursor-sprite-xfixes.c \
|
||||
backends/x11/cm/meta-cursor-sprite-xfixes.h \
|
||||
backends/x11/cm/meta-renderer-x11-cm.c \
|
||||
backends/x11/cm/meta-renderer-x11-cm.h \
|
||||
backends/x11/nested/meta-backend-x11-nested.c \
|
||||
|
||||
@ -26,6 +26,7 @@
|
||||
|
||||
#include "meta-cursor.h"
|
||||
#include "meta-cursor-renderer.h"
|
||||
#include "backends/x11/cm/meta-cursor-sprite-xfixes.h"
|
||||
|
||||
struct _MetaCursorTracker {
|
||||
GObject parent_instance;
|
||||
@ -46,7 +47,7 @@ struct _MetaCursorTracker {
|
||||
MetaCursorSprite *root_cursor;
|
||||
|
||||
/* The cursor from the X11 server. */
|
||||
MetaCursorSprite *xfixes_cursor;
|
||||
MetaCursorSpriteXfixes *xfixes_cursor;
|
||||
};
|
||||
|
||||
struct _MetaCursorTrackerClass {
|
||||
|
||||
@ -40,9 +40,9 @@
|
||||
|
||||
#include <gdk/gdk.h>
|
||||
#include <gdk/gdkx.h>
|
||||
#include <X11/extensions/Xfixes.h>
|
||||
|
||||
#include "meta-backend-private.h"
|
||||
#include "backends/x11/cm/meta-cursor-sprite-xfixes.h"
|
||||
|
||||
G_DEFINE_TYPE (MetaCursorTracker, meta_cursor_tracker, G_TYPE_OBJECT);
|
||||
|
||||
@ -218,75 +218,14 @@ static void
|
||||
ensure_xfixes_cursor (MetaCursorTracker *tracker)
|
||||
{
|
||||
MetaDisplay *display = meta_get_display ();
|
||||
XFixesCursorImage *cursor_image;
|
||||
CoglTexture2D *sprite;
|
||||
guint8 *cursor_data;
|
||||
gboolean free_cursor_data;
|
||||
CoglContext *ctx;
|
||||
CoglError *error = NULL;
|
||||
g_autoptr (GError) error = NULL;
|
||||
|
||||
if (tracker->xfixes_cursor)
|
||||
return;
|
||||
|
||||
cursor_image = XFixesGetCursorImage (display->xdisplay);
|
||||
if (!cursor_image)
|
||||
return;
|
||||
|
||||
/* Like all X APIs, XFixesGetCursorImage() returns arrays of 32-bit
|
||||
* quantities as arrays of long; we need to convert on 64 bit */
|
||||
if (sizeof(long) == 4)
|
||||
{
|
||||
cursor_data = (guint8 *)cursor_image->pixels;
|
||||
free_cursor_data = FALSE;
|
||||
}
|
||||
else
|
||||
{
|
||||
int i, j;
|
||||
guint32 *cursor_words;
|
||||
gulong *p;
|
||||
guint32 *q;
|
||||
|
||||
cursor_words = g_new (guint32, cursor_image->width * cursor_image->height);
|
||||
cursor_data = (guint8 *)cursor_words;
|
||||
|
||||
p = cursor_image->pixels;
|
||||
q = cursor_words;
|
||||
for (j = 0; j < cursor_image->height; j++)
|
||||
for (i = 0; i < cursor_image->width; i++)
|
||||
*(q++) = *(p++);
|
||||
|
||||
free_cursor_data = TRUE;
|
||||
}
|
||||
|
||||
ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
|
||||
sprite = cogl_texture_2d_new_from_data (ctx,
|
||||
cursor_image->width,
|
||||
cursor_image->height,
|
||||
CLUTTER_CAIRO_FORMAT_ARGB32,
|
||||
cursor_image->width * 4, /* stride */
|
||||
cursor_data,
|
||||
&error);
|
||||
|
||||
if (free_cursor_data)
|
||||
g_free (cursor_data);
|
||||
|
||||
if (error != NULL)
|
||||
{
|
||||
meta_warning ("Failed to allocate cursor sprite texture: %s\n", error->message);
|
||||
cogl_error_free (error);
|
||||
}
|
||||
|
||||
if (sprite != NULL)
|
||||
{
|
||||
MetaCursorSprite *cursor_sprite = meta_cursor_sprite_new ();
|
||||
meta_cursor_sprite_set_texture (cursor_sprite,
|
||||
COGL_TEXTURE (sprite),
|
||||
cursor_image->xhot,
|
||||
cursor_image->yhot);
|
||||
cogl_object_unref (sprite);
|
||||
tracker->xfixes_cursor = cursor_sprite;
|
||||
}
|
||||
XFree (cursor_image);
|
||||
tracker->xfixes_cursor = meta_cursor_sprite_xfixes_new (display, &error);
|
||||
if (!tracker->xfixes_cursor)
|
||||
g_warning ("Failed to create XFIXES cursor: %s", error->message);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -308,7 +247,7 @@ meta_cursor_tracker_get_sprite (MetaCursorTracker *tracker)
|
||||
else
|
||||
{
|
||||
ensure_xfixes_cursor (tracker);
|
||||
cursor_sprite = tracker->xfixes_cursor;
|
||||
cursor_sprite = META_CURSOR_SPRITE (tracker->xfixes_cursor);
|
||||
}
|
||||
|
||||
if (cursor_sprite)
|
||||
@ -345,7 +284,7 @@ meta_cursor_tracker_get_hot (MetaCursorTracker *tracker,
|
||||
else
|
||||
{
|
||||
ensure_xfixes_cursor (tracker);
|
||||
cursor_sprite = tracker->xfixes_cursor;
|
||||
cursor_sprite = META_CURSOR_SPRITE (tracker->xfixes_cursor);
|
||||
}
|
||||
|
||||
if (cursor_sprite)
|
||||
|
||||
226
src/backends/x11/cm/meta-cursor-sprite-xfixes.c
Normal file
226
src/backends/x11/cm/meta-cursor-sprite-xfixes.c
Normal file
@ -0,0 +1,226 @@
|
||||
/*
|
||||
* Copyright 2013, 2018 Red Hat, Inc.
|
||||
*
|
||||
* 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 <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include "backends/x11/cm/meta-cursor-sprite-xfixes.h"
|
||||
|
||||
#include <X11/extensions/Xfixes.h>
|
||||
|
||||
#include "core/display-private.h"
|
||||
|
||||
enum
|
||||
{
|
||||
PROP_0,
|
||||
|
||||
PROP_DISPLAY,
|
||||
|
||||
N_PROPS
|
||||
};
|
||||
|
||||
static GParamSpec *obj_props[N_PROPS];
|
||||
|
||||
struct _MetaCursorSpriteXfixes
|
||||
{
|
||||
MetaCursorSprite parent;
|
||||
|
||||
MetaDisplay *display;
|
||||
};
|
||||
|
||||
static void
|
||||
meta_screen_cast_xfixes_init_initable_iface (GInitableIface *iface);
|
||||
|
||||
G_DEFINE_TYPE_WITH_CODE (MetaCursorSpriteXfixes,
|
||||
meta_cursor_sprite_xfixes,
|
||||
META_TYPE_CURSOR_SPRITE,
|
||||
G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
|
||||
meta_screen_cast_xfixes_init_initable_iface))
|
||||
|
||||
static void
|
||||
meta_cursor_sprite_xfixes_realize_texture (MetaCursorSprite *sprite)
|
||||
{
|
||||
}
|
||||
|
||||
static gboolean
|
||||
meta_cursor_sprite_xfixes_is_animated (MetaCursorSprite *sprite)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
meta_cursor_sprite_xfixes_get_property (GObject *object,
|
||||
guint prop_id,
|
||||
GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
MetaCursorSpriteXfixes *sprite_xfixes = META_CURSOR_SPRITE_XFIXES (object);
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case PROP_DISPLAY:
|
||||
g_value_set_object (value, sprite_xfixes->display);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
meta_cursor_sprite_xfixes_set_property (GObject *object,
|
||||
guint prop_id,
|
||||
const GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
MetaCursorSpriteXfixes *sprite_xfixes = META_CURSOR_SPRITE_XFIXES (object);
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case PROP_DISPLAY:
|
||||
sprite_xfixes->display = g_value_get_object (value);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
MetaCursorSpriteXfixes *
|
||||
meta_cursor_sprite_xfixes_new (MetaDisplay *display,
|
||||
GError **error)
|
||||
{
|
||||
return g_initable_new (META_TYPE_CURSOR_SPRITE_XFIXES,
|
||||
NULL, error,
|
||||
"display", display,
|
||||
NULL);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
meta_cursor_sprite_xfixes_initable_init (GInitable *initable,
|
||||
GCancellable *cancellable,
|
||||
GError **error)
|
||||
{
|
||||
MetaCursorSpriteXfixes *sprite_xfixes =
|
||||
META_CURSOR_SPRITE_XFIXES (initable);
|
||||
MetaCursorSprite *sprite = META_CURSOR_SPRITE (sprite_xfixes);
|
||||
XFixesCursorImage *cursor_image;
|
||||
CoglTexture2D *texture;
|
||||
uint8_t *cursor_data;
|
||||
gboolean free_cursor_data;
|
||||
ClutterBackend *clutter_backend;
|
||||
CoglContext *cogl_context;
|
||||
|
||||
cursor_image = XFixesGetCursorImage (sprite_xfixes->display->xdisplay);
|
||||
if (!cursor_image)
|
||||
{
|
||||
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
|
||||
"Failed to get cursor image");
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Like all X APIs, XFixesGetCursorImage() returns arrays of 32-bit
|
||||
* quantities as arrays of long; we need to convert on 64 bit
|
||||
*/
|
||||
if (sizeof (long) == 4)
|
||||
{
|
||||
cursor_data = (uint8_t *) cursor_image->pixels;
|
||||
free_cursor_data = FALSE;
|
||||
}
|
||||
else
|
||||
{
|
||||
int i, j;
|
||||
uint32_t *cursor_words;
|
||||
unsigned long *p;
|
||||
uint32_t *q;
|
||||
|
||||
cursor_words = g_new (uint32_t,
|
||||
cursor_image->width * cursor_image->height);
|
||||
cursor_data = (uint8_t *) cursor_words;
|
||||
|
||||
p = cursor_image->pixels;
|
||||
q = cursor_words;
|
||||
for (j = 0; j < cursor_image->height; j++)
|
||||
{
|
||||
for (i = 0; i < cursor_image->width; i++)
|
||||
*(q++) = *(p++);
|
||||
}
|
||||
|
||||
free_cursor_data = TRUE;
|
||||
}
|
||||
|
||||
clutter_backend = clutter_get_default_backend ();
|
||||
cogl_context = clutter_backend_get_cogl_context (clutter_backend);
|
||||
texture = cogl_texture_2d_new_from_data (cogl_context,
|
||||
cursor_image->width,
|
||||
cursor_image->height,
|
||||
CLUTTER_CAIRO_FORMAT_ARGB32,
|
||||
cursor_image->width * 4, /* stride */
|
||||
cursor_data,
|
||||
error);
|
||||
|
||||
if (free_cursor_data)
|
||||
g_free (cursor_data);
|
||||
|
||||
if (!sprite)
|
||||
return FALSE;
|
||||
|
||||
meta_cursor_sprite_set_texture (sprite,
|
||||
COGL_TEXTURE (texture),
|
||||
cursor_image->xhot,
|
||||
cursor_image->yhot);
|
||||
cogl_object_unref (texture);
|
||||
XFree (cursor_image);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
meta_screen_cast_xfixes_init_initable_iface (GInitableIface *iface)
|
||||
{
|
||||
iface->init = meta_cursor_sprite_xfixes_initable_init;
|
||||
}
|
||||
|
||||
static void
|
||||
meta_cursor_sprite_xfixes_init (MetaCursorSpriteXfixes *sprite_xfixes)
|
||||
{
|
||||
}
|
||||
|
||||
static void
|
||||
meta_cursor_sprite_xfixes_class_init (MetaCursorSpriteXfixesClass *klass)
|
||||
{
|
||||
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||||
MetaCursorSpriteClass *cursor_sprite_class = META_CURSOR_SPRITE_CLASS (klass);
|
||||
|
||||
object_class->get_property = meta_cursor_sprite_xfixes_get_property;
|
||||
object_class->set_property = meta_cursor_sprite_xfixes_set_property;
|
||||
|
||||
cursor_sprite_class->realize_texture =
|
||||
meta_cursor_sprite_xfixes_realize_texture;
|
||||
cursor_sprite_class->is_animated = meta_cursor_sprite_xfixes_is_animated;
|
||||
|
||||
obj_props[PROP_DISPLAY] =
|
||||
g_param_spec_object ("display",
|
||||
"display",
|
||||
"MetaDisplay",
|
||||
META_TYPE_DISPLAY,
|
||||
G_PARAM_READWRITE |
|
||||
G_PARAM_CONSTRUCT_ONLY |
|
||||
G_PARAM_STATIC_STRINGS);
|
||||
g_object_class_install_properties (object_class, N_PROPS, obj_props);
|
||||
}
|
||||
36
src/backends/x11/cm/meta-cursor-sprite-xfixes.h
Normal file
36
src/backends/x11/cm/meta-cursor-sprite-xfixes.h
Normal file
@ -0,0 +1,36 @@
|
||||
/*
|
||||
* Copyright 2013, 2018 Red Hat, Inc.
|
||||
*
|
||||
* 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 <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef META_CURSOR_SPRITE_XFIXES_H
|
||||
#define META_CURSOR_SPRITE_XFIXES_H
|
||||
|
||||
#include <glib-object.h>
|
||||
|
||||
#include "backends/meta-cursor.h"
|
||||
#include "meta/types.h"
|
||||
|
||||
#define META_TYPE_CURSOR_SPRITE_XFIXES (meta_cursor_sprite_xfixes_get_type ())
|
||||
G_DECLARE_FINAL_TYPE (MetaCursorSpriteXfixes,
|
||||
meta_cursor_sprite_xfixes,
|
||||
META, CURSOR_SPRITE_XFIXES,
|
||||
MetaCursorSprite)
|
||||
|
||||
MetaCursorSpriteXfixes * meta_cursor_sprite_xfixes_new (MetaDisplay *display,
|
||||
GError **error);
|
||||
|
||||
#endif /* META_CURSOR_SPRITE_XFIXES_H */
|
||||
Loading…
Reference in New Issue
Block a user