mirror of
https://gitlab.gnome.org/GNOME/libmks.git
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490 lines
13 KiB
C
490 lines
13 KiB
C
/*
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* mks-keyboard.c
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*
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* Copyright 2023 Christian Hergert <chergert@redhat.com>
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of the
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* License, or (at your option) any later version.
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*
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* This library 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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* Lesser 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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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#include "config.h"
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#include "mks-device-private.h"
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#include "mks-enums.h"
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#include "mks-keyboard.h"
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#include "mks-util-private.h"
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#include "mks-keymap-xorgevdev2qnum-private.h"
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/**
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* MksKeyboard:
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*
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* A virtualized QEMU keyboard.
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*/
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struct _MksKeyboard
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{
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MksDevice parent_instance;
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MksQemuKeyboard *keyboard;
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guint modifiers;
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};
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struct _MksKeyboardClass
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{
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MksDeviceClass parent_instance;
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};
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G_DEFINE_FINAL_TYPE (MksKeyboard, mks_keyboard, MKS_TYPE_DEVICE)
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enum {
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PROP_0,
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PROP_MODIFIERS,
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N_PROPS
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};
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static GParamSpec *properties [N_PROPS];
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static void
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mks_keyboard_set_modifiers (MksKeyboard *self,
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MksKeyboardModifier modifiers)
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{
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g_assert (MKS_IS_KEYBOARD (self));
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if (self->modifiers != modifiers)
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{
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self->modifiers = modifiers;
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g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_MODIFIERS]);
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}
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}
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static void
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mks_keyboard_keyboard_notify_cb (MksKeyboard *self,
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GParamSpec *pspec,
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MksQemuKeyboard *keyboard)
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{
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MKS_ENTRY;
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g_assert (MKS_IS_KEYBOARD (self));
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g_assert (pspec != NULL);
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g_assert (MKS_QEMU_IS_KEYBOARD (keyboard));
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if (strcmp (pspec->name, "modifiers") == 0)
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mks_keyboard_set_modifiers (self, mks_qemu_keyboard_get_modifiers (keyboard));
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MKS_EXIT;
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}
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static void
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mks_keyboard_set_keyboard (MksKeyboard *self,
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MksQemuKeyboard *keyboard)
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{
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g_assert (MKS_IS_KEYBOARD (self));
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g_assert (!keyboard || MKS_QEMU_IS_KEYBOARD (keyboard));
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g_assert (self->keyboard == NULL);
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if (g_set_object (&self->keyboard, keyboard))
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{
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g_signal_connect_object (self->keyboard,
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"notify",
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G_CALLBACK (mks_keyboard_keyboard_notify_cb),
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self,
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G_CONNECT_SWAPPED);
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mks_keyboard_set_modifiers (self, mks_qemu_keyboard_get_modifiers (keyboard));
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}
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}
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static gboolean
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mks_keyboard_setup (MksDevice *device,
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MksQemuObject *object)
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{
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MksKeyboard *self = (MksKeyboard *)device;
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g_autolist(GDBusInterface) interfaces = NULL;
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g_assert (MKS_IS_KEYBOARD (self));
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g_assert (MKS_QEMU_IS_OBJECT (object));
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interfaces = g_dbus_object_get_interfaces (G_DBUS_OBJECT (object));
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for (const GList *iter = interfaces; iter; iter = iter->next)
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{
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GDBusInterface *iface = iter->data;
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if (MKS_QEMU_IS_KEYBOARD (iface))
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mks_keyboard_set_keyboard (self, MKS_QEMU_KEYBOARD (iface));
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}
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return self->keyboard != NULL;
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}
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static void
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mks_keyboard_dispose (GObject *object)
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{
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MksKeyboard *self = (MksKeyboard *)object;
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g_clear_object (&self->keyboard);
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G_OBJECT_CLASS (mks_keyboard_parent_class)->dispose (object);
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}
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static void
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mks_keyboard_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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MksKeyboard *self = MKS_KEYBOARD (object);
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switch (prop_id)
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{
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case PROP_MODIFIERS:
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g_value_set_flags (value, mks_keyboard_get_modifiers (self));
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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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}
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}
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static void
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mks_keyboard_class_init (MksKeyboardClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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MksDeviceClass *device_class = MKS_DEVICE_CLASS (klass);
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device_class->setup = mks_keyboard_setup;
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object_class->dispose = mks_keyboard_dispose;
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object_class->get_property = mks_keyboard_get_property;
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/**
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* MksKeyboard:modifiers:
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*
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* Active keyboard modifiers.
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*/
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properties [PROP_MODIFIERS] =
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g_param_spec_flags ("modifiers", NULL, NULL,
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MKS_TYPE_KEYBOARD_MODIFIER,
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MKS_KEYBOARD_MODIFIER_NONE,
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(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_properties (object_class, N_PROPS, properties);
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}
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static void
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mks_keyboard_init (MksKeyboard *self)
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{
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}
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/**
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* mks_keyboard_get_modifiers:
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* @self: an #MksKeyboard
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*
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* Get the active keyboard modifiers.
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*/
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MksKeyboardModifier
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mks_keyboard_get_modifiers (MksKeyboard *self)
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{
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g_return_val_if_fail (MKS_IS_KEYBOARD (self), 0);
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return self->modifiers;
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}
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static gboolean
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check_keyboard (MksKeyboard *self,
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GError **error)
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{
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if (self->keyboard == NULL)
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{
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g_set_error_literal (error,
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G_IO_ERROR,
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G_IO_ERROR_NOT_CONNECTED,
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"Not connected");
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return FALSE;
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}
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return TRUE;
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}
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static void
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mks_keyboard_press_cb (GObject *object,
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GAsyncResult *result,
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gpointer user_data)
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{
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MksQemuKeyboard *keyboard = (MksQemuKeyboard *)object;
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g_autoptr(GTask) task = user_data;
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g_autoptr(GError) error = NULL;
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MKS_ENTRY;
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g_assert (MKS_QEMU_IS_KEYBOARD (keyboard));
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g_assert (G_IS_ASYNC_RESULT (result));
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g_assert (G_IS_TASK (task));
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if (!mks_qemu_keyboard_call_press_finish (keyboard, result, &error))
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g_task_return_error (task, g_steal_pointer (&error));
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else
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g_task_return_boolean (task, TRUE);
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MKS_EXIT;
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}
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/**
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* mks_keyboard_press:
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* @self: an #MksKeyboard
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* @keycode: the hardware keycode
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* @cancellable: (nullable): a #GCancellable
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* @callback: a #GAsyncReadyCallback to execute upon completion
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* @user_data: closure data for @callback
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*
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* Presses @keycode.
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*/
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void
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mks_keyboard_press (MksKeyboard *self,
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guint keycode,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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g_autoptr(GTask) task = NULL;
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g_autoptr(GError) error = NULL;
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MKS_ENTRY;
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g_return_if_fail (MKS_IS_KEYBOARD (self));
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g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
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task = g_task_new (self, cancellable, callback, user_data);
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g_task_set_source_tag (task, mks_keyboard_press);
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if (!check_keyboard (self, &error))
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g_task_return_error (task, g_steal_pointer (&error));
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else
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mks_qemu_keyboard_call_press (self->keyboard,
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keycode,
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cancellable,
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mks_keyboard_press_cb,
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g_steal_pointer (&task));
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MKS_EXIT;
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}
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/**
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* mks_keyboard_press_finish:
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* @self: a `MksKeyboard`
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* @result: a #GAsyncResult provided to callback
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* @error: a location for a #GError, or %NULL
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*
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* Completes a call to [method@Mks.Keyboard.press].
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*
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* Returns: %TRUE if the operation completed successfully; otherwise %FALSE
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* and @error is set.
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*/
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gboolean
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mks_keyboard_press_finish (MksKeyboard *self,
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GAsyncResult *result,
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GError **error)
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{
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gboolean ret;
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MKS_ENTRY;
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g_return_val_if_fail (MKS_IS_KEYBOARD (self), FALSE);
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g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
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ret = g_task_propagate_boolean (G_TASK (result), error);
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MKS_RETURN (ret);
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}
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/**
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* mks_keyboard_press_sync:
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* @self: an #MksKeyboard
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* @keycode: the hardware keycode
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* @cancellable: (nullable): a #GCancellable
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* @error: a location for a #GError, or %NULL
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*
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* Synchronously press the `keycode`.
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*
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* Returns: %TRUE if the operation was acknowledged by the QEMU instance;
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* otherwise %FALSE and @error is set.
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*/
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gboolean
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mks_keyboard_press_sync (MksKeyboard *self,
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guint keycode,
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GCancellable *cancellable,
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GError **error)
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{
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gboolean ret;
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MKS_ENTRY;
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g_return_val_if_fail (MKS_IS_KEYBOARD (self), FALSE);
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g_return_val_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable), FALSE);
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if (!check_keyboard (self, error))
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MKS_RETURN (FALSE);
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ret = mks_qemu_keyboard_call_press_sync (self->keyboard, keycode, cancellable, error);
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MKS_RETURN (ret);
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}
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static void
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mks_keyboard_release_cb (GObject *object,
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GAsyncResult *result,
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gpointer user_data)
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{
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MksQemuKeyboard *keyboard = (MksQemuKeyboard *)object;
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g_autoptr(GTask) task = user_data;
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g_autoptr(GError) error = NULL;
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MKS_ENTRY;
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g_assert (MKS_QEMU_IS_KEYBOARD (keyboard));
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g_assert (G_IS_ASYNC_RESULT (result));
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g_assert (G_IS_TASK (task));
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if (!mks_qemu_keyboard_call_release_finish (keyboard, result, &error))
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g_task_return_error (task, g_steal_pointer (&error));
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else
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g_task_return_boolean (task, TRUE);
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MKS_EXIT;
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}
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/**
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* mks_keyboard_release:
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* @self: an #MksKeyboard
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* @keycode: the hardware keycode
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* @cancellable: (nullable): a #GCancellable
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* @callback: a #GAsyncReadyCallback to execute upon completion
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* @user_data: closure data for @callback
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*
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* Releases @keycode.
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*/
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void
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mks_keyboard_release (MksKeyboard *self,
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guint keycode,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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g_autoptr(GTask) task = NULL;
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g_autoptr(GError) error = NULL;
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MKS_ENTRY;
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g_return_if_fail (MKS_IS_KEYBOARD (self));
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g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
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task = g_task_new (self, cancellable, callback, user_data);
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g_task_set_source_tag (task, mks_keyboard_release);
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if (!check_keyboard (self, &error))
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g_task_return_error (task, g_steal_pointer (&error));
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else
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mks_qemu_keyboard_call_release (self->keyboard,
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keycode,
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cancellable,
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mks_keyboard_release_cb,
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g_steal_pointer (&task));
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MKS_EXIT;
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}
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/**
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* mks_keyboard_release_finish:
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* @self: a `MksKeyboard`
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* @result: a #GAsyncResult provided to callback
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* @error: a location for a #GError, or %NULL
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*
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* Completes a call to [method@Mks.Keyboard.release].
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*
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* Returns: %TRUE if the operation completed successfully; otherwise %FALSE
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* and @error is set.
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*/
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gboolean
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mks_keyboard_release_finish (MksKeyboard *self,
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GAsyncResult *result,
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GError **error)
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{
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gboolean ret;
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MKS_ENTRY;
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g_return_val_if_fail (MKS_IS_KEYBOARD (self), FALSE);
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g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
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ret = g_task_propagate_boolean (G_TASK (result), error);
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MKS_RETURN (ret);
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}
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/**
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* mks_keyboard_release_sync:
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* @self: an #MksKeyboard
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* @keycode: the hardware keycode
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* @cancellable: (nullable): a #GCancellable
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* @error: a location for a #GError, or %NULL
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*
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* Synchronously release the `keycode`.
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*
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* Returns: %TRUE if the operation was acknowledged by the QEMU instance;
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* otherwise %FALSE and @error is set.
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*/
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gboolean
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mks_keyboard_release_sync (MksKeyboard *self,
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guint keycode,
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GCancellable *cancellable,
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GError **error)
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{
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gboolean ret;
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MKS_ENTRY;
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g_return_val_if_fail (MKS_IS_KEYBOARD (self), FALSE);
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g_return_val_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable), FALSE);
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if (!check_keyboard (self, error))
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MKS_RETURN (FALSE);
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ret = mks_qemu_keyboard_call_release_sync (self->keyboard, keycode, cancellable, error);
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MKS_RETURN (ret);
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}
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/**
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* mks_keyboard_translate:
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* @keyval: the keyval
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* @keycode: the hardware keycode
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* @translated: (out): the translated keycode
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*
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* Translate a keycode to a QEMU compatible one.
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*/
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void
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mks_keyboard_translate (guint keyval,
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guint keycode,
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guint *translated)
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{
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g_assert (translated != NULL);
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if (keycode < xorgevdev_to_qnum_len &&
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xorgevdev_to_qnum[keycode] != 0)
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*translated = xorgevdev_to_qnum[keycode];
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else
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*translated = keycode;
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}
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