| 1 | /* |
| 2 | * Copyright (C) 2010 Red Hat, Inc. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License as |
| 6 | * published by the Free Software Foundation; either version 2 or |
| 7 | * (at your option) version 3 of the License. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include "qemu/osdep.h" |
| 19 | |
| 20 | #include <spice.h> |
| 21 | #include <spice/enums.h> |
| 22 | |
| 23 | #include "standard-headers/linux/input-event-codes.h" |
| 24 | #include "ui/qemu-spice.h" |
| 25 | #include "ui/console.h" |
| 26 | #include "keymaps.h" |
| 27 | #include "ui/input.h" |
| 28 | |
| 29 | /* keyboard bits */ |
| 30 | |
| 31 | typedef struct QemuSpiceKbd { |
| 32 | SpiceKbdInstance sin; |
| 33 | int ledstate; |
| 34 | bool emul0; |
| 35 | size_t pauseseq; |
| 36 | Notifier led_notifier; |
| 37 | } QemuSpiceKbd; |
| 38 | |
| 39 | static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag); |
| 40 | static uint8_t kbd_get_leds(SpiceKbdInstance *sin); |
| 41 | |
| 42 | static const SpiceKbdInterface kbd_interface = { |
| 43 | .base.type = SPICE_INTERFACE_KEYBOARD, |
| 44 | .base.description = "qemu keyboard", |
| 45 | .base.major_version = SPICE_INTERFACE_KEYBOARD_MAJOR, |
| 46 | .base.minor_version = SPICE_INTERFACE_KEYBOARD_MINOR, |
| 47 | .push_scan_freg = kbd_push_key, |
| 48 | .get_leds = kbd_get_leds, |
| 49 | }; |
| 50 | |
| 51 | static void kbd_push_key(SpiceKbdInstance *sin, uint8_t scancode) |
| 52 | { |
| 53 | static const uint8_t pauseseq[] = { 0xe1, 0x1d, 0x45, 0xe1, 0x9d, 0xc5 }; |
| 54 | QemuSpiceKbd *kbd = container_of(sin, QemuSpiceKbd, sin); |
| 55 | int keycode; |
| 56 | bool up; |
| 57 | |
| 58 | if (scancode == SCANCODE_EMUL0) { |
| 59 | kbd->emul0 = true; |
| 60 | return; |
| 61 | } |
| 62 | |
| 63 | if (scancode == pauseseq[kbd->pauseseq]) { |
| 64 | kbd->pauseseq++; |
| 65 | if (kbd->pauseseq == G_N_ELEMENTS(pauseseq)) { |
| 66 | qemu_input_event_send_key_linux(NULL, KEY_PAUSE, true); |
| 67 | kbd->pauseseq = 0; |
| 68 | } |
| 69 | return; |
| 70 | } else { |
| 71 | kbd->pauseseq = 0; |
| 72 | } |
| 73 | |
| 74 | keycode = scancode & ~SCANCODE_UP; |
| 75 | up = scancode & SCANCODE_UP; |
| 76 | if (kbd->emul0) { |
| 77 | kbd->emul0 = false; |
| 78 | keycode |= SCANCODE_GREY; |
| 79 | } |
| 80 | |
| 81 | qemu_input_event_send_key_number(NULL, keycode, !up); |
| 82 | } |
| 83 | |
| 84 | static uint8_t kbd_get_leds(SpiceKbdInstance *sin) |
| 85 | { |
| 86 | QemuSpiceKbd *kbd = container_of(sin, QemuSpiceKbd, sin); |
| 87 | return kbd->ledstate; |
| 88 | } |
| 89 | |
| 90 | static void kbd_leds(Notifier *notifier, void *data) |
| 91 | { |
| 92 | QemuSpiceKbd *kbd = container_of(notifier, QemuSpiceKbd, led_notifier); |
| 93 | /* spice has no associated console support */ |
| 94 | uint32_t leds_mask = qemu_input_get_leds_mask(NULL); |
| 95 | |
| 96 | kbd->ledstate = 0; |
| 97 | if (leds_mask & QEMU_SCROLL_LOCK_LED) { |
| 98 | kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_SCROLL_LOCK; |
| 99 | } |
| 100 | if (leds_mask & QEMU_NUM_LOCK_LED) { |
| 101 | kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_NUM_LOCK; |
| 102 | } |
| 103 | if (leds_mask & QEMU_CAPS_LOCK_LED) { |
| 104 | kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_CAPS_LOCK; |
| 105 | } |
| 106 | spice_server_kbd_leds(&kbd->sin, kbd->ledstate); |
| 107 | } |
| 108 | |
| 109 | /* mouse bits */ |
| 110 | |
| 111 | typedef struct QemuSpicePointer { |
| 112 | SpiceMouseInstance mouse; |
| 113 | SpiceTabletInstance tablet; |
| 114 | int width, height; |
| 115 | uint32_t last_bmask; |
| 116 | Notifier mouse_mode; |
| 117 | bool absolute; |
| 118 | } QemuSpicePointer; |
| 119 | |
| 120 | static void spice_update_buttons(QemuSpicePointer *pointer, |
| 121 | int wheel, uint32_t button_mask) |
| 122 | { |
| 123 | static uint32_t bmap[INPUT_BUTTON__MAX] = { |
| 124 | [INPUT_BUTTON_LEFT] = 0x01, |
| 125 | [INPUT_BUTTON_MIDDLE] = 0x04, |
| 126 | [INPUT_BUTTON_RIGHT] = 0x02, |
| 127 | [INPUT_BUTTON_WHEEL_UP] = 0x10, |
| 128 | [INPUT_BUTTON_WHEEL_DOWN] = 0x20, |
| 129 | [INPUT_BUTTON_SIDE] = 0x40, |
| 130 | [INPUT_BUTTON_EXTRA] = 0x80, |
| 131 | }; |
| 132 | |
| 133 | if (wheel < 0) { |
| 134 | button_mask |= 0x10; |
| 135 | } |
| 136 | if (wheel > 0) { |
| 137 | button_mask |= 0x20; |
| 138 | } |
| 139 | |
| 140 | if (pointer->last_bmask == button_mask) { |
| 141 | return; |
| 142 | } |
| 143 | qemu_input_update_buttons(NULL, bmap, pointer->last_bmask, button_mask); |
| 144 | pointer->last_bmask = button_mask; |
| 145 | } |
| 146 | |
| 147 | static void mouse_motion(SpiceMouseInstance *sin, int dx, int dy, int dz, |
| 148 | uint32_t buttons_state) |
| 149 | { |
| 150 | QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, mouse); |
| 151 | spice_update_buttons(pointer, dz, buttons_state); |
| 152 | qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx); |
| 153 | qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy); |
| 154 | qemu_input_event_sync(); |
| 155 | } |
| 156 | |
| 157 | static void mouse_buttons(SpiceMouseInstance *sin, uint32_t buttons_state) |
| 158 | { |
| 159 | QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, mouse); |
| 160 | spice_update_buttons(pointer, 0, buttons_state); |
| 161 | qemu_input_event_sync(); |
| 162 | } |
| 163 | |
| 164 | static const SpiceMouseInterface mouse_interface = { |
| 165 | .base.type = SPICE_INTERFACE_MOUSE, |
| 166 | .base.description = "mouse", |
| 167 | .base.major_version = SPICE_INTERFACE_MOUSE_MAJOR, |
| 168 | .base.minor_version = SPICE_INTERFACE_MOUSE_MINOR, |
| 169 | .motion = mouse_motion, |
| 170 | .buttons = mouse_buttons, |
| 171 | }; |
| 172 | |
| 173 | static void tablet_set_logical_size(SpiceTabletInstance* sin, int width, int height) |
| 174 | { |
| 175 | QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet); |
| 176 | |
| 177 | if (height < 16) { |
| 178 | height = 16; |
| 179 | } |
| 180 | if (width < 16) { |
| 181 | width = 16; |
| 182 | } |
| 183 | pointer->width = width; |
| 184 | pointer->height = height; |
| 185 | } |
| 186 | |
| 187 | static void tablet_position(SpiceTabletInstance* sin, int x, int y, |
| 188 | uint32_t buttons_state) |
| 189 | { |
| 190 | QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet); |
| 191 | |
| 192 | spice_update_buttons(pointer, 0, buttons_state); |
| 193 | qemu_input_queue_abs(NULL, INPUT_AXIS_X, x, 0, pointer->width); |
| 194 | qemu_input_queue_abs(NULL, INPUT_AXIS_Y, y, 0, pointer->height); |
| 195 | qemu_input_event_sync(); |
| 196 | } |
| 197 | |
| 198 | |
| 199 | static void tablet_wheel(SpiceTabletInstance* sin, int wheel, |
| 200 | uint32_t buttons_state) |
| 201 | { |
| 202 | QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet); |
| 203 | |
| 204 | spice_update_buttons(pointer, wheel, buttons_state); |
| 205 | qemu_input_event_sync(); |
| 206 | } |
| 207 | |
| 208 | static void tablet_buttons(SpiceTabletInstance *sin, |
| 209 | uint32_t buttons_state) |
| 210 | { |
| 211 | QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet); |
| 212 | |
| 213 | spice_update_buttons(pointer, 0, buttons_state); |
| 214 | qemu_input_event_sync(); |
| 215 | } |
| 216 | |
| 217 | static const SpiceTabletInterface tablet_interface = { |
| 218 | .base.type = SPICE_INTERFACE_TABLET, |
| 219 | .base.description = "tablet", |
| 220 | .base.major_version = SPICE_INTERFACE_TABLET_MAJOR, |
| 221 | .base.minor_version = SPICE_INTERFACE_TABLET_MINOR, |
| 222 | .set_logical_size = tablet_set_logical_size, |
| 223 | .position = tablet_position, |
| 224 | .wheel = tablet_wheel, |
| 225 | .buttons = tablet_buttons, |
| 226 | }; |
| 227 | |
| 228 | static void mouse_mode_notifier(Notifier *notifier, void *data) |
| 229 | { |
| 230 | QemuSpicePointer *pointer = container_of(notifier, QemuSpicePointer, mouse_mode); |
| 231 | bool is_absolute = qemu_input_is_absolute(NULL); |
| 232 | |
| 233 | if (pointer->absolute == is_absolute) { |
| 234 | return; |
| 235 | } |
| 236 | |
| 237 | if (is_absolute) { |
| 238 | qemu_spice.add_interface(&pointer->tablet.base); |
| 239 | } else { |
| 240 | spice_server_remove_interface(&pointer->tablet.base); |
| 241 | } |
| 242 | pointer->absolute = is_absolute; |
| 243 | } |
| 244 | |
| 245 | static QemuSpiceKbd *spice_kbd; |
| 246 | static QemuSpicePointer *spice_pointer; |
| 247 | |
| 248 | void qemu_spice_input_init(void) |
| 249 | { |
| 250 | spice_kbd = g_new0(QemuSpiceKbd, 1); |
| 251 | spice_kbd->sin.base.sif = &kbd_interface.base; |
| 252 | qemu_spice.add_interface(&spice_kbd->sin.base); |
| 253 | spice_kbd->led_notifier.notify = kbd_leds; |
| 254 | qemu_input_led_notifier_add(&spice_kbd->led_notifier); |
| 255 | |
| 256 | spice_pointer = g_new0(QemuSpicePointer, 1); |
| 257 | spice_pointer->mouse.base.sif = &mouse_interface.base; |
| 258 | spice_pointer->tablet.base.sif = &tablet_interface.base; |
| 259 | qemu_spice.add_interface(&spice_pointer->mouse.base); |
| 260 | |
| 261 | spice_pointer->absolute = false; |
| 262 | spice_pointer->mouse_mode.notify = mouse_mode_notifier; |
| 263 | qemu_add_mouse_mode_change_notifier(&spice_pointer->mouse_mode); |
| 264 | mouse_mode_notifier(&spice_pointer->mouse_mode, NULL); |
| 265 | } |
| 266 | |
| 267 | void qemu_spice_input_cleanup(void) |
| 268 | { |
| 269 | if (spice_pointer) { |
| 270 | qemu_remove_mouse_mode_change_notifier(&spice_pointer->mouse_mode); |
| 271 | if (spice_pointer->absolute) { |
| 272 | spice_server_remove_interface(&spice_pointer->tablet.base); |
| 273 | } |
| 274 | spice_server_remove_interface(&spice_pointer->mouse.base); |
| 275 | g_clear_pointer(&spice_pointer, g_free); |
| 276 | } |
| 277 | if (spice_kbd) { |
| 278 | qemu_input_led_notifier_remove(&spice_kbd->led_notifier); |
| 279 | spice_server_remove_interface(&spice_kbd->sin.base); |
| 280 | g_clear_pointer(&spice_kbd, g_free); |
| 281 | } |
| 282 | } |