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b852bbba47
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>
332 lines
8.9 KiB
C
332 lines
8.9 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright 2013 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Giovanni Campagna <gcampagn@redhat.com>
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*/
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#include "config.h"
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#include "backends/meta-cursor.h"
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#include "backends/meta-backend-private.h"
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#include "backends/meta-cursor-tracker-private.h"
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#include "cogl/cogl.h"
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#include "meta/common.h"
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enum
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{
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PROP_0,
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PROP_CURSOR_TRACKER,
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N_PROPS
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};
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static GParamSpec *obj_props[N_PROPS];
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enum
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{
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TEXTURE_CHANGED,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL];
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typedef struct _MetaCursorSpritePrivate
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{
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GObject parent;
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CoglTexture2D *texture;
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float texture_scale;
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MetaMonitorTransform texture_transform;
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int hot_x, hot_y;
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MetaCursorPrepareFunc prepare_func;
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gpointer prepare_func_data;
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MetaCursorTracker *cursor_tracker;
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} MetaCursorSpritePrivate;
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G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (MetaCursorSprite,
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meta_cursor_sprite,
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G_TYPE_OBJECT)
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gboolean
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meta_cursor_sprite_is_animated (MetaCursorSprite *sprite)
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{
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MetaCursorSpriteClass *klass = META_CURSOR_SPRITE_GET_CLASS (sprite);
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if (klass->is_animated)
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return klass->is_animated (sprite);
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else
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return FALSE;
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}
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void
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meta_cursor_sprite_tick_frame (MetaCursorSprite *sprite)
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{
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return META_CURSOR_SPRITE_GET_CLASS (sprite)->tick_frame (sprite);
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}
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unsigned int
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meta_cursor_sprite_get_current_frame_time (MetaCursorSprite *sprite)
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{
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return META_CURSOR_SPRITE_GET_CLASS (sprite)->get_current_frame_time (sprite);
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}
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void
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meta_cursor_sprite_clear_texture (MetaCursorSprite *sprite)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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g_clear_pointer (&priv->texture, cogl_object_unref);
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meta_cursor_sprite_invalidate (sprite);
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}
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void
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meta_cursor_sprite_set_texture (MetaCursorSprite *sprite,
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CoglTexture *texture,
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int hot_x,
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int hot_y)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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g_clear_pointer (&priv->texture, cogl_object_unref);
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if (texture)
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priv->texture = cogl_object_ref (texture);
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priv->hot_x = hot_x;
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priv->hot_y = hot_y;
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meta_cursor_sprite_invalidate (sprite);
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g_signal_emit (sprite, signals[TEXTURE_CHANGED], 0);
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}
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void
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meta_cursor_sprite_set_texture_scale (MetaCursorSprite *sprite,
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float scale)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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if (priv->texture_scale != scale)
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meta_cursor_sprite_invalidate (sprite);
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priv->texture_scale = scale;
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}
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void
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meta_cursor_sprite_set_texture_transform (MetaCursorSprite *sprite,
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MetaMonitorTransform transform)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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if (priv->texture_transform != transform)
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meta_cursor_sprite_invalidate (sprite);
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priv->texture_transform = transform;
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}
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CoglTexture *
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meta_cursor_sprite_get_cogl_texture (MetaCursorSprite *sprite)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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return COGL_TEXTURE (priv->texture);
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}
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void
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meta_cursor_sprite_get_hotspot (MetaCursorSprite *sprite,
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int *hot_x,
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int *hot_y)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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*hot_x = priv->hot_x;
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*hot_y = priv->hot_y;
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}
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int
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meta_cursor_sprite_get_width (MetaCursorSprite *sprite)
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{
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CoglTexture *texture;
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texture = meta_cursor_sprite_get_cogl_texture (sprite);
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return cogl_texture_get_width (texture);
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}
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int
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meta_cursor_sprite_get_height (MetaCursorSprite *sprite)
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{
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CoglTexture *texture;
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texture = meta_cursor_sprite_get_cogl_texture (sprite);
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return cogl_texture_get_height (texture);
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}
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float
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meta_cursor_sprite_get_texture_scale (MetaCursorSprite *sprite)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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return priv->texture_scale;
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}
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MetaMonitorTransform
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meta_cursor_sprite_get_texture_transform (MetaCursorSprite *sprite)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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return priv->texture_transform;
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}
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void
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meta_cursor_sprite_set_prepare_func (MetaCursorSprite *sprite,
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MetaCursorPrepareFunc func,
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gpointer user_data)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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priv->prepare_func = func;
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priv->prepare_func_data = user_data;
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}
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void
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meta_cursor_sprite_prepare_at (MetaCursorSprite *sprite,
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float best_scale,
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int x,
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int y)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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if (priv->prepare_func)
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priv->prepare_func (sprite, best_scale, x, y, priv->prepare_func_data);
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}
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gboolean
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meta_cursor_sprite_realize_texture (MetaCursorSprite *sprite)
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{
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return META_CURSOR_SPRITE_GET_CLASS (sprite)->realize_texture (sprite);
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}
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void
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meta_cursor_sprite_invalidate (MetaCursorSprite *sprite)
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{
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MetaCursorSpriteClass *sprite_class = META_CURSOR_SPRITE_GET_CLASS (sprite);
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if (sprite_class->invalidate)
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sprite_class->invalidate (sprite);
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}
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static void
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meta_cursor_sprite_init (MetaCursorSprite *sprite)
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{
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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priv->texture_scale = 1.0f;
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priv->texture_transform = META_MONITOR_TRANSFORM_NORMAL;
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}
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static void
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meta_cursor_sprite_constructed (GObject *object)
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{
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MetaCursorSprite *sprite = META_CURSOR_SPRITE (object);
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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g_assert (priv->cursor_tracker);
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meta_cursor_tracker_register_cursor_sprite (priv->cursor_tracker, sprite);
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g_clear_pointer (&priv->texture, cogl_object_unref);
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G_OBJECT_CLASS (meta_cursor_sprite_parent_class)->constructed (object);
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}
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static void
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meta_cursor_sprite_finalize (GObject *object)
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{
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MetaCursorSprite *sprite = META_CURSOR_SPRITE (object);
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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g_clear_pointer (&priv->texture, cogl_object_unref);
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meta_cursor_tracker_unregister_cursor_sprite (priv->cursor_tracker, sprite);
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g_clear_object (&priv->cursor_tracker);
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G_OBJECT_CLASS (meta_cursor_sprite_parent_class)->finalize (object);
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}
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static void
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meta_cursor_tracker_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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MetaCursorSprite *sprite = META_CURSOR_SPRITE (object);
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MetaCursorSpritePrivate *priv =
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meta_cursor_sprite_get_instance_private (sprite);
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switch (prop_id)
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{
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case PROP_CURSOR_TRACKER:
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g_set_object (&priv->cursor_tracker, g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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meta_cursor_sprite_class_init (MetaCursorSpriteClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->constructed = meta_cursor_sprite_constructed;
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object_class->finalize = meta_cursor_sprite_finalize;
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object_class->set_property = meta_cursor_tracker_set_property;
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obj_props[PROP_CURSOR_TRACKER] =
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g_param_spec_object ("cursor-tracker", NULL, NULL,
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META_TYPE_CURSOR_TRACKER,
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G_PARAM_WRITABLE |
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS);
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g_object_class_install_properties (object_class, N_PROPS, obj_props);
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signals[TEXTURE_CHANGED] = g_signal_new ("texture-changed",
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G_TYPE_FROM_CLASS (object_class),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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}
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