mutter/src/backends/meta-cursor.c
Bilal Elmoussaoui b852bbba47 cleanup: Stop translating nick/blurb for pspecs
As those strings are intended to be used by some UI but nothing uses
that in reality except GStreamer.
So drop them similar to what GTK did at
https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/4717

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3101>
2023-07-19 11:33:59 +00:00

332 lines
8.9 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright 2013 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/>.
*
* Author: Giovanni Campagna <gcampagn@redhat.com>
*/
#include "config.h"
#include "backends/meta-cursor.h"
#include "backends/meta-backend-private.h"
#include "backends/meta-cursor-tracker-private.h"
#include "cogl/cogl.h"
#include "meta/common.h"
enum
{
PROP_0,
PROP_CURSOR_TRACKER,
N_PROPS
};
static GParamSpec *obj_props[N_PROPS];
enum
{
TEXTURE_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
typedef struct _MetaCursorSpritePrivate
{
GObject parent;
CoglTexture2D *texture;
float texture_scale;
MetaMonitorTransform texture_transform;
int hot_x, hot_y;
MetaCursorPrepareFunc prepare_func;
gpointer prepare_func_data;
MetaCursorTracker *cursor_tracker;
} MetaCursorSpritePrivate;
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (MetaCursorSprite,
meta_cursor_sprite,
G_TYPE_OBJECT)
gboolean
meta_cursor_sprite_is_animated (MetaCursorSprite *sprite)
{
MetaCursorSpriteClass *klass = META_CURSOR_SPRITE_GET_CLASS (sprite);
if (klass->is_animated)
return klass->is_animated (sprite);
else
return FALSE;
}
void
meta_cursor_sprite_tick_frame (MetaCursorSprite *sprite)
{
return META_CURSOR_SPRITE_GET_CLASS (sprite)->tick_frame (sprite);
}
unsigned int
meta_cursor_sprite_get_current_frame_time (MetaCursorSprite *sprite)
{
return META_CURSOR_SPRITE_GET_CLASS (sprite)->get_current_frame_time (sprite);
}
void
meta_cursor_sprite_clear_texture (MetaCursorSprite *sprite)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
g_clear_pointer (&priv->texture, cogl_object_unref);
meta_cursor_sprite_invalidate (sprite);
}
void
meta_cursor_sprite_set_texture (MetaCursorSprite *sprite,
CoglTexture *texture,
int hot_x,
int hot_y)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
g_clear_pointer (&priv->texture, cogl_object_unref);
if (texture)
priv->texture = cogl_object_ref (texture);
priv->hot_x = hot_x;
priv->hot_y = hot_y;
meta_cursor_sprite_invalidate (sprite);
g_signal_emit (sprite, signals[TEXTURE_CHANGED], 0);
}
void
meta_cursor_sprite_set_texture_scale (MetaCursorSprite *sprite,
float scale)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
if (priv->texture_scale != scale)
meta_cursor_sprite_invalidate (sprite);
priv->texture_scale = scale;
}
void
meta_cursor_sprite_set_texture_transform (MetaCursorSprite *sprite,
MetaMonitorTransform transform)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
if (priv->texture_transform != transform)
meta_cursor_sprite_invalidate (sprite);
priv->texture_transform = transform;
}
CoglTexture *
meta_cursor_sprite_get_cogl_texture (MetaCursorSprite *sprite)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
return COGL_TEXTURE (priv->texture);
}
void
meta_cursor_sprite_get_hotspot (MetaCursorSprite *sprite,
int *hot_x,
int *hot_y)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
*hot_x = priv->hot_x;
*hot_y = priv->hot_y;
}
int
meta_cursor_sprite_get_width (MetaCursorSprite *sprite)
{
CoglTexture *texture;
texture = meta_cursor_sprite_get_cogl_texture (sprite);
return cogl_texture_get_width (texture);
}
int
meta_cursor_sprite_get_height (MetaCursorSprite *sprite)
{
CoglTexture *texture;
texture = meta_cursor_sprite_get_cogl_texture (sprite);
return cogl_texture_get_height (texture);
}
float
meta_cursor_sprite_get_texture_scale (MetaCursorSprite *sprite)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
return priv->texture_scale;
}
MetaMonitorTransform
meta_cursor_sprite_get_texture_transform (MetaCursorSprite *sprite)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
return priv->texture_transform;
}
void
meta_cursor_sprite_set_prepare_func (MetaCursorSprite *sprite,
MetaCursorPrepareFunc func,
gpointer user_data)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
priv->prepare_func = func;
priv->prepare_func_data = user_data;
}
void
meta_cursor_sprite_prepare_at (MetaCursorSprite *sprite,
float best_scale,
int x,
int y)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
if (priv->prepare_func)
priv->prepare_func (sprite, best_scale, x, y, priv->prepare_func_data);
}
gboolean
meta_cursor_sprite_realize_texture (MetaCursorSprite *sprite)
{
return META_CURSOR_SPRITE_GET_CLASS (sprite)->realize_texture (sprite);
}
void
meta_cursor_sprite_invalidate (MetaCursorSprite *sprite)
{
MetaCursorSpriteClass *sprite_class = META_CURSOR_SPRITE_GET_CLASS (sprite);
if (sprite_class->invalidate)
sprite_class->invalidate (sprite);
}
static void
meta_cursor_sprite_init (MetaCursorSprite *sprite)
{
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
priv->texture_scale = 1.0f;
priv->texture_transform = META_MONITOR_TRANSFORM_NORMAL;
}
static void
meta_cursor_sprite_constructed (GObject *object)
{
MetaCursorSprite *sprite = META_CURSOR_SPRITE (object);
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
g_assert (priv->cursor_tracker);
meta_cursor_tracker_register_cursor_sprite (priv->cursor_tracker, sprite);
g_clear_pointer (&priv->texture, cogl_object_unref);
G_OBJECT_CLASS (meta_cursor_sprite_parent_class)->constructed (object);
}
static void
meta_cursor_sprite_finalize (GObject *object)
{
MetaCursorSprite *sprite = META_CURSOR_SPRITE (object);
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
g_clear_pointer (&priv->texture, cogl_object_unref);
meta_cursor_tracker_unregister_cursor_sprite (priv->cursor_tracker, sprite);
g_clear_object (&priv->cursor_tracker);
G_OBJECT_CLASS (meta_cursor_sprite_parent_class)->finalize (object);
}
static void
meta_cursor_tracker_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MetaCursorSprite *sprite = META_CURSOR_SPRITE (object);
MetaCursorSpritePrivate *priv =
meta_cursor_sprite_get_instance_private (sprite);
switch (prop_id)
{
case PROP_CURSOR_TRACKER:
g_set_object (&priv->cursor_tracker, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
meta_cursor_sprite_class_init (MetaCursorSpriteClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = meta_cursor_sprite_constructed;
object_class->finalize = meta_cursor_sprite_finalize;
object_class->set_property = meta_cursor_tracker_set_property;
obj_props[PROP_CURSOR_TRACKER] =
g_param_spec_object ("cursor-tracker", NULL, NULL,
META_TYPE_CURSOR_TRACKER,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, obj_props);
signals[TEXTURE_CHANGED] = g_signal_new ("texture-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
}