497 lines
16 KiB
C
497 lines
16 KiB
C
/*
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* QEMU DBus display console
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*
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* Copyright (c) 2021 Marc-André Lureau <marcandre.lureau@redhat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "ui/input.h"
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#include "ui/kbd-state.h"
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#include "trace.h"
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#include <gio/gunixfdlist.h>
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#include "dbus.h"
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struct _DBusDisplayConsole {
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GDBusObjectSkeleton parent_instance;
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DisplayChangeListener dcl;
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DBusDisplay *display;
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GHashTable *listeners;
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QemuDBusDisplay1Console *iface;
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QemuDBusDisplay1Keyboard *iface_kbd;
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QKbdState *kbd;
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QemuDBusDisplay1Mouse *iface_mouse;
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gboolean last_set;
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guint last_x;
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guint last_y;
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Notifier mouse_mode_notifier;
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};
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G_DEFINE_TYPE(DBusDisplayConsole,
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dbus_display_console,
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G_TYPE_DBUS_OBJECT_SKELETON)
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static void
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dbus_display_console_set_size(DBusDisplayConsole *ddc,
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uint32_t width, uint32_t height)
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{
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g_object_set(ddc->iface,
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"width", width,
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"height", height,
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NULL);
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}
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static void
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dbus_gfx_switch(DisplayChangeListener *dcl,
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struct DisplaySurface *new_surface)
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{
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DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl);
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dbus_display_console_set_size(ddc,
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surface_width(new_surface),
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surface_height(new_surface));
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}
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static void
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dbus_gfx_update(DisplayChangeListener *dcl,
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int x, int y, int w, int h)
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{
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}
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static void
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dbus_gl_scanout_disable(DisplayChangeListener *dcl)
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{
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}
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static void
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dbus_gl_scanout_texture(DisplayChangeListener *dcl,
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uint32_t tex_id,
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bool backing_y_0_top,
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uint32_t backing_width,
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uint32_t backing_height,
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uint32_t x, uint32_t y,
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uint32_t w, uint32_t h)
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{
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DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl);
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dbus_display_console_set_size(ddc, w, h);
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}
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static void
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dbus_gl_scanout_dmabuf(DisplayChangeListener *dcl,
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QemuDmaBuf *dmabuf)
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{
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DBusDisplayConsole *ddc = container_of(dcl, DBusDisplayConsole, dcl);
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dbus_display_console_set_size(ddc,
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dmabuf->width,
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dmabuf->height);
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}
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static void
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dbus_gl_scanout_update(DisplayChangeListener *dcl,
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uint32_t x, uint32_t y,
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uint32_t w, uint32_t h)
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{
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}
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const DisplayChangeListenerOps dbus_console_dcl_ops = {
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.dpy_name = "dbus-console",
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.dpy_gfx_switch = dbus_gfx_switch,
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.dpy_gfx_update = dbus_gfx_update,
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.dpy_gl_scanout_disable = dbus_gl_scanout_disable,
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.dpy_gl_scanout_texture = dbus_gl_scanout_texture,
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.dpy_gl_scanout_dmabuf = dbus_gl_scanout_dmabuf,
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.dpy_gl_update = dbus_gl_scanout_update,
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};
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static void
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dbus_display_console_init(DBusDisplayConsole *object)
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{
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DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(object);
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ddc->listeners = g_hash_table_new_full(g_str_hash, g_str_equal,
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NULL, g_object_unref);
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ddc->dcl.ops = &dbus_console_dcl_ops;
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}
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static void
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dbus_display_console_dispose(GObject *object)
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{
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DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(object);
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unregister_displaychangelistener(&ddc->dcl);
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g_clear_object(&ddc->iface_kbd);
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g_clear_object(&ddc->iface);
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g_clear_pointer(&ddc->listeners, g_hash_table_unref);
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g_clear_pointer(&ddc->kbd, qkbd_state_free);
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G_OBJECT_CLASS(dbus_display_console_parent_class)->dispose(object);
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}
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static void
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dbus_display_console_class_init(DBusDisplayConsoleClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
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gobject_class->dispose = dbus_display_console_dispose;
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}
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static void
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listener_vanished_cb(DBusDisplayListener *listener)
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{
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DBusDisplayConsole *ddc = dbus_display_listener_get_console(listener);
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const char *name = dbus_display_listener_get_bus_name(listener);
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trace_dbus_listener_vanished(name);
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g_hash_table_remove(ddc->listeners, name);
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qkbd_state_lift_all_keys(ddc->kbd);
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}
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static gboolean
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dbus_console_set_ui_info(DBusDisplayConsole *ddc,
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GDBusMethodInvocation *invocation,
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guint16 arg_width_mm,
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guint16 arg_height_mm,
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gint arg_xoff,
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gint arg_yoff,
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guint arg_width,
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guint arg_height)
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{
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QemuUIInfo info = {
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.width_mm = arg_width_mm,
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.height_mm = arg_height_mm,
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.xoff = arg_xoff,
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.yoff = arg_yoff,
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.width = arg_width,
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.height = arg_height,
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};
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if (!dpy_ui_info_supported(ddc->dcl.con)) {
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g_dbus_method_invocation_return_error(invocation,
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DBUS_DISPLAY_ERROR,
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DBUS_DISPLAY_ERROR_UNSUPPORTED,
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"SetUIInfo is not supported");
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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dpy_set_ui_info(ddc->dcl.con, &info, false);
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qemu_dbus_display1_console_complete_set_uiinfo(ddc->iface, invocation);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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static gboolean
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dbus_console_register_listener(DBusDisplayConsole *ddc,
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GDBusMethodInvocation *invocation,
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GUnixFDList *fd_list,
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GVariant *arg_listener)
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{
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const char *sender = g_dbus_method_invocation_get_sender(invocation);
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GDBusConnection *listener_conn;
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g_autoptr(GError) err = NULL;
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g_autoptr(GSocket) socket = NULL;
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g_autoptr(GSocketConnection) socket_conn = NULL;
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g_autofree char *guid = g_dbus_generate_guid();
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DBusDisplayListener *listener;
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int fd;
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if (sender && g_hash_table_contains(ddc->listeners, sender)) {
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g_dbus_method_invocation_return_error(
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invocation,
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DBUS_DISPLAY_ERROR,
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DBUS_DISPLAY_ERROR_INVALID,
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"`%s` is already registered!",
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sender);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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fd = g_unix_fd_list_get(fd_list, g_variant_get_handle(arg_listener), &err);
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if (err) {
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g_dbus_method_invocation_return_error(
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invocation,
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DBUS_DISPLAY_ERROR,
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DBUS_DISPLAY_ERROR_FAILED,
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"Couldn't get peer fd: %s", err->message);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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socket = g_socket_new_from_fd(fd, &err);
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if (err) {
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g_dbus_method_invocation_return_error(
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invocation,
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DBUS_DISPLAY_ERROR,
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DBUS_DISPLAY_ERROR_FAILED,
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"Couldn't make a socket: %s", err->message);
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close(fd);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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socket_conn = g_socket_connection_factory_create_connection(socket);
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qemu_dbus_display1_console_complete_register_listener(
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ddc->iface, invocation, NULL);
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listener_conn = g_dbus_connection_new_sync(
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G_IO_STREAM(socket_conn),
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guid,
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G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_SERVER,
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NULL, NULL, &err);
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if (err) {
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error_report("Failed to setup peer connection: %s", err->message);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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listener = dbus_display_listener_new(sender, listener_conn, ddc);
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if (!listener) {
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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g_hash_table_insert(ddc->listeners,
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(gpointer)dbus_display_listener_get_bus_name(listener),
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listener);
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g_object_connect(listener_conn,
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"swapped-signal::closed", listener_vanished_cb, listener,
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NULL);
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trace_dbus_registered_listener(sender);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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static gboolean
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dbus_kbd_press(DBusDisplayConsole *ddc,
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GDBusMethodInvocation *invocation,
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guint arg_keycode)
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{
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QKeyCode qcode = qemu_input_key_number_to_qcode(arg_keycode);
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trace_dbus_kbd_press(arg_keycode);
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qkbd_state_key_event(ddc->kbd, qcode, true);
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qemu_dbus_display1_keyboard_complete_press(ddc->iface_kbd, invocation);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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static gboolean
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dbus_kbd_release(DBusDisplayConsole *ddc,
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GDBusMethodInvocation *invocation,
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guint arg_keycode)
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{
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QKeyCode qcode = qemu_input_key_number_to_qcode(arg_keycode);
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trace_dbus_kbd_release(arg_keycode);
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qkbd_state_key_event(ddc->kbd, qcode, false);
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qemu_dbus_display1_keyboard_complete_release(ddc->iface_kbd, invocation);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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static void
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dbus_kbd_qemu_leds_updated(void *data, int ledstate)
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{
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DBusDisplayConsole *ddc = DBUS_DISPLAY_CONSOLE(data);
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qemu_dbus_display1_keyboard_set_modifiers(ddc->iface_kbd, ledstate);
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}
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static gboolean
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dbus_mouse_rel_motion(DBusDisplayConsole *ddc,
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GDBusMethodInvocation *invocation,
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int dx, int dy)
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{
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trace_dbus_mouse_rel_motion(dx, dy);
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if (qemu_input_is_absolute()) {
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g_dbus_method_invocation_return_error(
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invocation, DBUS_DISPLAY_ERROR,
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DBUS_DISPLAY_ERROR_INVALID,
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"Mouse is not relative");
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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qemu_input_queue_rel(ddc->dcl.con, INPUT_AXIS_X, dx);
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qemu_input_queue_rel(ddc->dcl.con, INPUT_AXIS_Y, dy);
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qemu_input_event_sync();
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qemu_dbus_display1_mouse_complete_rel_motion(ddc->iface_mouse,
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invocation);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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static gboolean
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dbus_mouse_set_pos(DBusDisplayConsole *ddc,
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GDBusMethodInvocation *invocation,
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guint x, guint y)
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{
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int width, height;
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trace_dbus_mouse_set_pos(x, y);
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if (!qemu_input_is_absolute()) {
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g_dbus_method_invocation_return_error(
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invocation, DBUS_DISPLAY_ERROR,
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DBUS_DISPLAY_ERROR_INVALID,
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"Mouse is not absolute");
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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width = qemu_console_get_width(ddc->dcl.con, 0);
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height = qemu_console_get_height(ddc->dcl.con, 0);
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if (x >= width || y >= height) {
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g_dbus_method_invocation_return_error(
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invocation, DBUS_DISPLAY_ERROR,
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DBUS_DISPLAY_ERROR_INVALID,
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"Invalid mouse position");
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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qemu_input_queue_abs(ddc->dcl.con, INPUT_AXIS_X, x, 0, width);
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qemu_input_queue_abs(ddc->dcl.con, INPUT_AXIS_Y, y, 0, height);
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qemu_input_event_sync();
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qemu_dbus_display1_mouse_complete_set_abs_position(ddc->iface_mouse,
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invocation);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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static gboolean
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dbus_mouse_press(DBusDisplayConsole *ddc,
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GDBusMethodInvocation *invocation,
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guint button)
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{
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trace_dbus_mouse_press(button);
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qemu_input_queue_btn(ddc->dcl.con, button, true);
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qemu_input_event_sync();
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qemu_dbus_display1_mouse_complete_press(ddc->iface_mouse, invocation);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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static gboolean
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dbus_mouse_release(DBusDisplayConsole *ddc,
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GDBusMethodInvocation *invocation,
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guint button)
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{
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trace_dbus_mouse_release(button);
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qemu_input_queue_btn(ddc->dcl.con, button, false);
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qemu_input_event_sync();
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qemu_dbus_display1_mouse_complete_release(ddc->iface_mouse, invocation);
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return DBUS_METHOD_INVOCATION_HANDLED;
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}
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static void
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dbus_mouse_mode_change(Notifier *notify, void *data)
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{
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DBusDisplayConsole *ddc =
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container_of(notify, DBusDisplayConsole, mouse_mode_notifier);
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g_object_set(ddc->iface_mouse,
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"is-absolute", qemu_input_is_absolute(),
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NULL);
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}
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int dbus_display_console_get_index(DBusDisplayConsole *ddc)
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{
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return qemu_console_get_index(ddc->dcl.con);
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}
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DBusDisplayConsole *
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dbus_display_console_new(DBusDisplay *display, QemuConsole *con)
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{
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g_autofree char *path = NULL;
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g_autofree char *label = NULL;
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char device_addr[256] = "";
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DBusDisplayConsole *ddc;
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int idx;
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assert(display);
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assert(con);
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label = qemu_console_get_label(con);
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idx = qemu_console_get_index(con);
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path = g_strdup_printf(DBUS_DISPLAY1_ROOT "/Console_%d", idx);
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ddc = g_object_new(DBUS_DISPLAY_TYPE_CONSOLE,
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"g-object-path", path,
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NULL);
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ddc->display = display;
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ddc->dcl.con = con;
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/* handle errors, and skip non graphics? */
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qemu_console_fill_device_address(
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con, device_addr, sizeof(device_addr), NULL);
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ddc->iface = qemu_dbus_display1_console_skeleton_new();
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g_object_set(ddc->iface,
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"label", label,
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"type", qemu_console_is_graphic(con) ? "Graphic" : "Text",
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"head", qemu_console_get_head(con),
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"width", qemu_console_get_width(con, 0),
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"height", qemu_console_get_height(con, 0),
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"device-address", device_addr,
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NULL);
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g_object_connect(ddc->iface,
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"swapped-signal::handle-register-listener",
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dbus_console_register_listener, ddc,
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"swapped-signal::handle-set-uiinfo",
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dbus_console_set_ui_info, ddc,
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NULL);
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g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
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G_DBUS_INTERFACE_SKELETON(ddc->iface));
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ddc->kbd = qkbd_state_init(con);
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ddc->iface_kbd = qemu_dbus_display1_keyboard_skeleton_new();
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qemu_add_led_event_handler(dbus_kbd_qemu_leds_updated, ddc);
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g_object_connect(ddc->iface_kbd,
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"swapped-signal::handle-press", dbus_kbd_press, ddc,
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"swapped-signal::handle-release", dbus_kbd_release, ddc,
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NULL);
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g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
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G_DBUS_INTERFACE_SKELETON(ddc->iface_kbd));
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ddc->iface_mouse = qemu_dbus_display1_mouse_skeleton_new();
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g_object_connect(ddc->iface_mouse,
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"swapped-signal::handle-set-abs-position", dbus_mouse_set_pos, ddc,
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"swapped-signal::handle-rel-motion", dbus_mouse_rel_motion, ddc,
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"swapped-signal::handle-press", dbus_mouse_press, ddc,
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"swapped-signal::handle-release", dbus_mouse_release, ddc,
|
|
NULL);
|
|
g_dbus_object_skeleton_add_interface(G_DBUS_OBJECT_SKELETON(ddc),
|
|
G_DBUS_INTERFACE_SKELETON(ddc->iface_mouse));
|
|
|
|
register_displaychangelistener(&ddc->dcl);
|
|
ddc->mouse_mode_notifier.notify = dbus_mouse_mode_change;
|
|
qemu_add_mouse_mode_change_notifier(&ddc->mouse_mode_notifier);
|
|
|
|
return ddc;
|
|
}
|