mirror of
https://github.com/brl/mutter.git
synced 2024-12-04 22:00:42 -05:00
25ed64b61d
This will later be used to invalidate GPU state when closing device nodes. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2147>
394 lines
11 KiB
C
394 lines
11 KiB
C
/*
|
|
* 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/meta-cursor-sprite-xcursor.h"
|
|
|
|
#include "backends/meta-cursor.h"
|
|
#include "backends/meta-cursor-renderer.h"
|
|
#include "clutter/clutter.h"
|
|
#include "cogl/cogl.h"
|
|
#include "meta/prefs.h"
|
|
#include "meta/util.h"
|
|
|
|
struct _MetaCursorSpriteXcursor
|
|
{
|
|
MetaCursorSprite parent;
|
|
|
|
MetaCursor cursor;
|
|
|
|
int current_frame;
|
|
XcursorImages *xcursor_images;
|
|
|
|
int theme_scale;
|
|
gboolean theme_dirty;
|
|
gboolean invalidated;
|
|
};
|
|
|
|
G_DEFINE_TYPE (MetaCursorSpriteXcursor, meta_cursor_sprite_xcursor,
|
|
META_TYPE_CURSOR_SPRITE)
|
|
|
|
static const char *
|
|
translate_meta_cursor (MetaCursor cursor)
|
|
{
|
|
switch (cursor)
|
|
{
|
|
case META_CURSOR_DEFAULT:
|
|
return "left_ptr";
|
|
case META_CURSOR_NORTH_RESIZE:
|
|
return "top_side";
|
|
case META_CURSOR_SOUTH_RESIZE:
|
|
return "bottom_side";
|
|
case META_CURSOR_WEST_RESIZE:
|
|
return "left_side";
|
|
case META_CURSOR_EAST_RESIZE:
|
|
return "right_side";
|
|
case META_CURSOR_SE_RESIZE:
|
|
return "bottom_right_corner";
|
|
case META_CURSOR_SW_RESIZE:
|
|
return "bottom_left_corner";
|
|
case META_CURSOR_NE_RESIZE:
|
|
return "top_right_corner";
|
|
case META_CURSOR_NW_RESIZE:
|
|
return "top_left_corner";
|
|
case META_CURSOR_MOVE_OR_RESIZE_WINDOW:
|
|
return "fleur";
|
|
case META_CURSOR_BUSY:
|
|
return "watch";
|
|
case META_CURSOR_DND_IN_DRAG:
|
|
return "dnd-none";
|
|
case META_CURSOR_DND_MOVE:
|
|
return "dnd-move";
|
|
case META_CURSOR_DND_COPY:
|
|
return "dnd-copy";
|
|
case META_CURSOR_DND_UNSUPPORTED_TARGET:
|
|
return "dnd-none";
|
|
case META_CURSOR_POINTING_HAND:
|
|
return "hand2";
|
|
case META_CURSOR_CROSSHAIR:
|
|
return "crosshair";
|
|
case META_CURSOR_IBEAM:
|
|
return "xterm";
|
|
case META_CURSOR_BLANK:
|
|
case META_CURSOR_NONE:
|
|
case META_CURSOR_LAST:
|
|
break;
|
|
}
|
|
|
|
g_assert_not_reached ();
|
|
return NULL;
|
|
}
|
|
|
|
static Cursor
|
|
create_blank_cursor (Display *xdisplay)
|
|
{
|
|
Pixmap pixmap;
|
|
XColor color;
|
|
Cursor cursor;
|
|
XGCValues gc_values;
|
|
GC gc;
|
|
|
|
pixmap = XCreatePixmap (xdisplay, DefaultRootWindow (xdisplay), 1, 1, 1);
|
|
|
|
gc_values.foreground = BlackPixel (xdisplay, DefaultScreen (xdisplay));
|
|
gc = XCreateGC (xdisplay, pixmap, GCForeground, &gc_values);
|
|
|
|
XFillRectangle (xdisplay, pixmap, gc, 0, 0, 1, 1);
|
|
|
|
color.pixel = 0;
|
|
color.red = color.blue = color.green = 0;
|
|
|
|
cursor = XCreatePixmapCursor (xdisplay, pixmap, pixmap, &color, &color, 1, 1);
|
|
|
|
XFreeGC (xdisplay, gc);
|
|
XFreePixmap (xdisplay, pixmap);
|
|
|
|
return cursor;
|
|
}
|
|
|
|
static XcursorImages *
|
|
create_blank_cursor_images (void)
|
|
{
|
|
XcursorImages *images;
|
|
|
|
images = XcursorImagesCreate (1);
|
|
images->images[0] = XcursorImageCreate (1, 1);
|
|
|
|
images->images[0]->xhot = 0;
|
|
images->images[0]->yhot = 0;
|
|
memset (images->images[0]->pixels, 0, sizeof(int32_t));
|
|
|
|
return images;
|
|
}
|
|
|
|
MetaCursor
|
|
meta_cursor_sprite_xcursor_get_cursor (MetaCursorSpriteXcursor *sprite_xcursor)
|
|
{
|
|
return sprite_xcursor->cursor;
|
|
}
|
|
|
|
Cursor
|
|
meta_create_x_cursor (Display *xdisplay,
|
|
MetaCursor cursor)
|
|
{
|
|
if (cursor == META_CURSOR_BLANK)
|
|
return create_blank_cursor (xdisplay);
|
|
|
|
return XcursorLibraryLoadCursor (xdisplay, translate_meta_cursor (cursor));
|
|
}
|
|
|
|
static XcursorImages *
|
|
load_cursor_on_client (MetaCursor cursor, int scale)
|
|
{
|
|
XcursorImages *xcursor_images;
|
|
int fallback_size;
|
|
|
|
if (cursor == META_CURSOR_BLANK)
|
|
return create_blank_cursor_images ();
|
|
|
|
xcursor_images =
|
|
XcursorLibraryLoadImages (translate_meta_cursor (cursor),
|
|
meta_prefs_get_cursor_theme (),
|
|
meta_prefs_get_cursor_size () * scale);
|
|
if (xcursor_images)
|
|
return xcursor_images;
|
|
|
|
g_warning_once ("No cursor theme available, please install a cursor theme");
|
|
|
|
fallback_size = 24 * scale;
|
|
xcursor_images = XcursorImagesCreate (1);
|
|
xcursor_images->images[0] = XcursorImageCreate (fallback_size, fallback_size);
|
|
xcursor_images->images[0]->xhot = 0;
|
|
xcursor_images->images[0]->yhot = 0;
|
|
memset (xcursor_images->images[0]->pixels, 0xc0,
|
|
fallback_size * fallback_size * sizeof (int32_t));
|
|
return xcursor_images;
|
|
}
|
|
|
|
static void
|
|
load_from_current_xcursor_image (MetaCursorSpriteXcursor *sprite_xcursor)
|
|
{
|
|
MetaCursorSprite *sprite = META_CURSOR_SPRITE (sprite_xcursor);
|
|
XcursorImage *xc_image;
|
|
int width, height, rowstride;
|
|
CoglPixelFormat cogl_format;
|
|
ClutterBackend *clutter_backend;
|
|
CoglContext *cogl_context;
|
|
CoglTexture2D *texture;
|
|
GError *error = NULL;
|
|
int hotspot_x, hotspot_y;
|
|
|
|
g_assert (!meta_cursor_sprite_get_cogl_texture (sprite));
|
|
|
|
xc_image = meta_cursor_sprite_xcursor_get_current_image (sprite_xcursor);
|
|
width = (int) xc_image->width;
|
|
height = (int) xc_image->height;
|
|
rowstride = width * 4;
|
|
|
|
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
|
|
cogl_format = COGL_PIXEL_FORMAT_BGRA_8888;
|
|
#else
|
|
cogl_format = COGL_PIXEL_FORMAT_ARGB_8888;
|
|
#endif
|
|
|
|
clutter_backend = clutter_get_default_backend ();
|
|
cogl_context = clutter_backend_get_cogl_context (clutter_backend);
|
|
texture = cogl_texture_2d_new_from_data (cogl_context,
|
|
width, height,
|
|
cogl_format,
|
|
rowstride,
|
|
(uint8_t *) xc_image->pixels,
|
|
&error);
|
|
if (!texture)
|
|
{
|
|
g_warning ("Failed to allocate cursor texture: %s", error->message);
|
|
g_error_free (error);
|
|
}
|
|
|
|
if (meta_is_wayland_compositor ())
|
|
{
|
|
hotspot_x = ((int) (xc_image->xhot / sprite_xcursor->theme_scale) *
|
|
sprite_xcursor->theme_scale);
|
|
hotspot_y = ((int) (xc_image->yhot / sprite_xcursor->theme_scale) *
|
|
sprite_xcursor->theme_scale);
|
|
}
|
|
else
|
|
{
|
|
hotspot_x = xc_image->xhot;
|
|
hotspot_y = xc_image->yhot;
|
|
}
|
|
meta_cursor_sprite_set_texture (sprite,
|
|
COGL_TEXTURE (texture),
|
|
hotspot_x, hotspot_y);
|
|
|
|
g_clear_pointer (&texture, cogl_object_unref);
|
|
}
|
|
|
|
void
|
|
meta_cursor_sprite_xcursor_set_theme_scale (MetaCursorSpriteXcursor *sprite_xcursor,
|
|
int theme_scale)
|
|
{
|
|
if (sprite_xcursor->theme_scale != theme_scale)
|
|
sprite_xcursor->theme_dirty = TRUE;
|
|
sprite_xcursor->theme_scale = theme_scale;
|
|
}
|
|
|
|
static gboolean
|
|
meta_cursor_sprite_xcursor_is_animated (MetaCursorSprite *sprite)
|
|
{
|
|
MetaCursorSpriteXcursor *sprite_xcursor = META_CURSOR_SPRITE_XCURSOR (sprite);
|
|
|
|
return (sprite_xcursor->xcursor_images &&
|
|
sprite_xcursor->xcursor_images->nimage > 1);
|
|
}
|
|
|
|
XcursorImage *
|
|
meta_cursor_sprite_xcursor_get_current_image (MetaCursorSpriteXcursor *sprite_xcursor)
|
|
{
|
|
return sprite_xcursor->xcursor_images->images[sprite_xcursor->current_frame];
|
|
}
|
|
|
|
static void
|
|
meta_cursor_sprite_xcursor_tick_frame (MetaCursorSprite *sprite)
|
|
{
|
|
MetaCursorSpriteXcursor *sprite_xcursor = META_CURSOR_SPRITE_XCURSOR (sprite);
|
|
|
|
if (!meta_cursor_sprite_is_animated (sprite))
|
|
return;
|
|
|
|
sprite_xcursor->current_frame++;
|
|
|
|
if (sprite_xcursor->current_frame >= sprite_xcursor->xcursor_images->nimage)
|
|
sprite_xcursor->current_frame = 0;
|
|
|
|
meta_cursor_sprite_clear_texture (sprite);
|
|
load_from_current_xcursor_image (sprite_xcursor);
|
|
}
|
|
|
|
static unsigned int
|
|
meta_cursor_sprite_xcursor_get_current_frame_time (MetaCursorSprite *sprite)
|
|
{
|
|
MetaCursorSpriteXcursor *sprite_xcursor = META_CURSOR_SPRITE_XCURSOR (sprite);
|
|
XcursorImages *xcursor_images;
|
|
|
|
g_return_val_if_fail (meta_cursor_sprite_is_animated (sprite), 0);
|
|
|
|
xcursor_images = sprite_xcursor->xcursor_images;
|
|
return xcursor_images->images[sprite_xcursor->current_frame]->delay;
|
|
}
|
|
|
|
static void
|
|
load_cursor_from_theme (MetaCursorSprite *sprite)
|
|
{
|
|
MetaCursorSpriteXcursor *sprite_xcursor = META_CURSOR_SPRITE_XCURSOR (sprite);
|
|
|
|
g_assert (sprite_xcursor->cursor != META_CURSOR_NONE);
|
|
|
|
sprite_xcursor->theme_dirty = FALSE;
|
|
|
|
/* We might be reloading with a different scale. If so clear the old data. */
|
|
if (sprite_xcursor->xcursor_images)
|
|
{
|
|
meta_cursor_sprite_clear_texture (sprite);
|
|
XcursorImagesDestroy (sprite_xcursor->xcursor_images);
|
|
}
|
|
|
|
sprite_xcursor->current_frame = 0;
|
|
sprite_xcursor->xcursor_images =
|
|
load_cursor_on_client (sprite_xcursor->cursor,
|
|
sprite_xcursor->theme_scale);
|
|
|
|
load_from_current_xcursor_image (sprite_xcursor);
|
|
}
|
|
|
|
static gboolean
|
|
meta_cursor_sprite_xcursor_realize_texture (MetaCursorSprite *sprite)
|
|
{
|
|
MetaCursorSpriteXcursor *sprite_xcursor = META_CURSOR_SPRITE_XCURSOR (sprite);
|
|
gboolean retval = sprite_xcursor->invalidated;
|
|
|
|
if (sprite_xcursor->theme_dirty)
|
|
{
|
|
load_cursor_from_theme (sprite);
|
|
retval = TRUE;
|
|
}
|
|
|
|
sprite_xcursor->invalidated = FALSE;
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
meta_cursor_sprite_xcursor_invalidate (MetaCursorSprite *sprite)
|
|
{
|
|
MetaCursorSpriteXcursor *sprite_xcursor = META_CURSOR_SPRITE_XCURSOR (sprite);
|
|
|
|
sprite_xcursor->invalidated = TRUE;
|
|
}
|
|
|
|
MetaCursorSpriteXcursor *
|
|
meta_cursor_sprite_xcursor_new (MetaCursor cursor,
|
|
MetaCursorTracker *cursor_tracker)
|
|
{
|
|
MetaCursorSpriteXcursor *sprite_xcursor;
|
|
|
|
sprite_xcursor = g_object_new (META_TYPE_CURSOR_SPRITE_XCURSOR,
|
|
"cursor-tracker", cursor_tracker,
|
|
NULL);
|
|
sprite_xcursor->cursor = cursor;
|
|
|
|
return sprite_xcursor;
|
|
}
|
|
|
|
static void
|
|
meta_cursor_sprite_xcursor_finalize (GObject *object)
|
|
{
|
|
MetaCursorSpriteXcursor *sprite_xcursor = META_CURSOR_SPRITE_XCURSOR (object);
|
|
|
|
g_clear_pointer (&sprite_xcursor->xcursor_images,
|
|
XcursorImagesDestroy);
|
|
|
|
G_OBJECT_CLASS (meta_cursor_sprite_xcursor_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
meta_cursor_sprite_xcursor_init (MetaCursorSpriteXcursor *sprite_xcursor)
|
|
{
|
|
sprite_xcursor->theme_scale = 1;
|
|
sprite_xcursor->theme_dirty = TRUE;
|
|
}
|
|
|
|
static void
|
|
meta_cursor_sprite_xcursor_class_init (MetaCursorSpriteXcursorClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
MetaCursorSpriteClass *cursor_sprite_class = META_CURSOR_SPRITE_CLASS (klass);
|
|
|
|
object_class->finalize = meta_cursor_sprite_xcursor_finalize;
|
|
|
|
cursor_sprite_class->realize_texture =
|
|
meta_cursor_sprite_xcursor_realize_texture;
|
|
cursor_sprite_class->invalidate =
|
|
meta_cursor_sprite_xcursor_invalidate;
|
|
cursor_sprite_class->is_animated = meta_cursor_sprite_xcursor_is_animated;
|
|
cursor_sprite_class->tick_frame = meta_cursor_sprite_xcursor_tick_frame;
|
|
cursor_sprite_class->get_current_frame_time =
|
|
meta_cursor_sprite_xcursor_get_current_frame_time;
|
|
}
|