1bdadfa3e1
The UI scaling depends on whether the framebuffers are scaled. Enable the caller to determine the what scale its UI should be drawn in, in relation to the stage coordinate space by calling this function. A new singal "ui-scaling-factor-changed" is added in order to liston for for changes. https://bugzilla.gnome.org/show_bug.cgi?id=777732
180 lines
7.1 KiB
C
180 lines
7.1 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2014 Red Hat
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Written by:
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* Jasper St. Pierre <jstpierre@mecheye.net>
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*/
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#ifndef META_BACKEND_PRIVATE_H
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#define META_BACKEND_PRIVATE_H
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#include <glib-object.h>
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#include <xkbcommon/xkbcommon.h>
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#include <meta/meta-backend.h>
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#include <meta/meta-idle-monitor.h>
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#include "meta-cursor-renderer.h"
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#include "meta-monitor-manager-private.h"
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#include "meta-input-settings-private.h"
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#include "backends/meta-egl.h"
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#include "backends/meta-pointer-constraint.h"
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#include "backends/meta-renderer.h"
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#include "core/util-private.h"
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#define DEFAULT_XKB_RULES_FILE "evdev"
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#define DEFAULT_XKB_MODEL "pc105+inet"
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#define META_TYPE_BACKEND (meta_backend_get_type ())
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G_DECLARE_DERIVABLE_TYPE (MetaBackend, meta_backend, META, BACKEND, GObject)
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struct _MetaBackendClass
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{
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GObjectClass parent_class;
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ClutterBackend * (* create_clutter_backend) (MetaBackend *backend);
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void (* post_init) (MetaBackend *backend);
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MetaIdleMonitor * (* create_idle_monitor) (MetaBackend *backend,
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int device_id);
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MetaMonitorManager * (* create_monitor_manager) (MetaBackend *backend);
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MetaCursorRenderer * (* create_cursor_renderer) (MetaBackend *backend);
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MetaRenderer * (* create_renderer) (MetaBackend *backend);
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gboolean (* grab_device) (MetaBackend *backend,
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int device_id,
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uint32_t timestamp);
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gboolean (* ungrab_device) (MetaBackend *backend,
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int device_id,
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uint32_t timestamp);
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void (* warp_pointer) (MetaBackend *backend,
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int x,
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int y);
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MetaLogicalMonitor * (* get_current_logical_monitor) (MetaBackend *backend);
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void (* set_keymap) (MetaBackend *backend,
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const char *layouts,
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const char *variants,
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const char *options);
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struct xkb_keymap * (* get_keymap) (MetaBackend *backend);
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void (* lock_layout_group) (MetaBackend *backend,
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guint idx);
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void (* update_screen_size) (MetaBackend *backend, int width, int height);
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void (* select_stage_events) (MetaBackend *backend);
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gboolean (* get_relative_motion_deltas) (MetaBackend *backend,
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const ClutterEvent *event,
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double *dx,
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double *dy,
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double *dx_unaccel,
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double *dy_unaccel);
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void (* set_numlock) (MetaBackend *backend,
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gboolean numlock_state);
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};
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typedef enum _MetaExperimentalFeature
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{
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META_EXPERIMENTAL_FEATURE_NONE = 0,
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META_EXPERIMENTAL_FEATURE_SCALE_MONITOR_FRAMEBUFFER = (1 << 0),
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META_EXPERIMENTAL_FEATURE_MONITOR_CONFIG_MANAGER = (1 << 1)
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} MetaExperimentalFeature;
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void meta_init_backend (GType backend_gtype);
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void meta_backend_display_opened (MetaBackend *backend);
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ClutterBackend * meta_backend_get_clutter_backend (MetaBackend *backend);
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MetaIdleMonitor * meta_backend_get_idle_monitor (MetaBackend *backend,
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int device_id);
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void meta_backend_foreach_device_monitor (MetaBackend *backend,
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GFunc func,
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gpointer user_data);
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MetaMonitorManager * meta_backend_get_monitor_manager (MetaBackend *backend);
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MetaCursorTracker * meta_backend_get_cursor_tracker (MetaBackend *backend);
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MetaCursorRenderer * meta_backend_get_cursor_renderer (MetaBackend *backend);
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MetaRenderer * meta_backend_get_renderer (MetaBackend *backend);
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MetaEgl * meta_backend_get_egl (MetaBackend *backend);
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gboolean meta_backend_grab_device (MetaBackend *backend,
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int device_id,
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uint32_t timestamp);
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gboolean meta_backend_ungrab_device (MetaBackend *backend,
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int device_id,
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uint32_t timestamp);
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void meta_backend_warp_pointer (MetaBackend *backend,
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int x,
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int y);
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MetaLogicalMonitor * meta_backend_get_current_logical_monitor (MetaBackend *backend);
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struct xkb_keymap * meta_backend_get_keymap (MetaBackend *backend);
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void meta_backend_update_last_device (MetaBackend *backend,
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int device_id);
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gboolean meta_backend_get_relative_motion_deltas (MetaBackend *backend,
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const ClutterEvent *event,
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double *dx,
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double *dy,
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double *dx_unaccel,
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double *dy_unaccel);
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MetaPointerConstraint * meta_backend_get_client_pointer_constraint (MetaBackend *backend);
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void meta_backend_set_client_pointer_constraint (MetaBackend *backend,
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MetaPointerConstraint *constraint);
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ClutterBackend * meta_backend_get_clutter_backend (MetaBackend *backend);
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void meta_backend_monitors_changed (MetaBackend *backend);
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gboolean meta_backend_is_experimental_feature_enabled (MetaBackend *backend,
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MetaExperimentalFeature feature);
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void meta_backend_override_experimental_features (MetaBackend *backend);
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void meta_backend_enable_experimental_feature (MetaBackend *backend,
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MetaExperimentalFeature feature);
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gboolean meta_is_stage_views_enabled (void);
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gboolean meta_is_stage_views_scaled (void);
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MetaInputSettings *meta_backend_get_input_settings (MetaBackend *backend);
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void meta_backend_notify_keymap_changed (MetaBackend *backend);
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void meta_backend_notify_keymap_layout_group_changed (MetaBackend *backend,
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unsigned int locked_group);
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void meta_backend_notify_ui_scaling_factor_changed (MetaBackend *backend);
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#endif /* META_BACKEND_PRIVATE_H */
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