diff options
Diffstat (limited to 'ui/spice-input.c')
| -rw-r--r-- | ui/spice-input.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/ui/spice-input.c b/ui/spice-input.c new file mode 100644 index 0000000000..37c8578a2c --- /dev/null +++ b/ui/spice-input.c @@ -0,0 +1,217 @@ +/* + * Copyright (C) 2010 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 or + * (at your option) version 3 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdlib.h> +#include <stdio.h> +#include <stdbool.h> +#include <string.h> + +#include <spice.h> +#include <spice/enums.h> + +#include "qemu-common.h" +#include "qemu-spice.h" +#include "console.h" + +/* keyboard bits */ + +typedef struct QemuSpiceKbd { + SpiceKbdInstance sin; + int ledstate; +} QemuSpiceKbd; + +static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag); +static uint8_t kbd_get_leds(SpiceKbdInstance *sin); +static void kbd_leds(void *opaque, int l); + +static const SpiceKbdInterface kbd_interface = { + .base.type = SPICE_INTERFACE_KEYBOARD, + .base.description = "qemu keyboard", + .base.major_version = SPICE_INTERFACE_KEYBOARD_MAJOR, + .base.minor_version = SPICE_INTERFACE_KEYBOARD_MINOR, + .push_scan_freg = kbd_push_key, + .get_leds = kbd_get_leds, +}; + +static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag) +{ + kbd_put_keycode(frag); +} + +static uint8_t kbd_get_leds(SpiceKbdInstance *sin) +{ + QemuSpiceKbd *kbd = container_of(sin, QemuSpiceKbd, sin); + return kbd->ledstate; +} + +static void kbd_leds(void *opaque, int ledstate) +{ + QemuSpiceKbd *kbd = opaque; + + kbd->ledstate = 0; + if (ledstate & QEMU_SCROLL_LOCK_LED) { + kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_SCROLL_LOCK; + } + if (ledstate & QEMU_NUM_LOCK_LED) { + kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_NUM_LOCK; + } + if (ledstate & QEMU_CAPS_LOCK_LED) { + kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_CAPS_LOCK; + } + spice_server_kbd_leds(&kbd->sin, ledstate); +} + +/* mouse bits */ + +typedef struct QemuSpicePointer { + SpiceMouseInstance mouse; + SpiceTabletInstance tablet; + int width, height, x, y; + Notifier mouse_mode; + bool absolute; +} QemuSpicePointer; + +static int map_buttons(int spice_buttons) +{ + int qemu_buttons = 0; + + /* + * Note: SPICE_MOUSE_BUTTON_* specifies the wire protocol but this + * isn't what we get passed in via interface callbacks for the + * middle and right button ... + */ + if (spice_buttons & SPICE_MOUSE_BUTTON_MASK_LEFT) { + qemu_buttons |= MOUSE_EVENT_LBUTTON; + } + if (spice_buttons & 0x04 /* SPICE_MOUSE_BUTTON_MASK_MIDDLE */) { + qemu_buttons |= MOUSE_EVENT_MBUTTON; + } + if (spice_buttons & 0x02 /* SPICE_MOUSE_BUTTON_MASK_RIGHT */) { + qemu_buttons |= MOUSE_EVENT_RBUTTON; + } + return qemu_buttons; +} + +static void mouse_motion(SpiceMouseInstance *sin, int dx, int dy, int dz, + uint32_t buttons_state) +{ + kbd_mouse_event(dx, dy, dz, map_buttons(buttons_state)); +} + +static void mouse_buttons(SpiceMouseInstance *sin, uint32_t buttons_state) +{ + kbd_mouse_event(0, 0, 0, map_buttons(buttons_state)); +} + +static const SpiceMouseInterface mouse_interface = { + .base.type = SPICE_INTERFACE_MOUSE, + .base.description = "mouse", + .base.major_version = SPICE_INTERFACE_MOUSE_MAJOR, + .base.minor_version = SPICE_INTERFACE_MOUSE_MINOR, + .motion = mouse_motion, + .buttons = mouse_buttons, +}; + +static void tablet_set_logical_size(SpiceTabletInstance* sin, int width, int height) +{ + QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet); + + if (height < 16) { + height = 16; + } + if (width < 16) { + width = 16; + } + pointer->width = width; + pointer->height = height; +} + +static void tablet_position(SpiceTabletInstance* sin, int x, int y, + uint32_t buttons_state) +{ + QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet); + + pointer->x = x * 0x7FFF / (pointer->width - 1); + pointer->y = y * 0x7FFF / (pointer->height - 1); + kbd_mouse_event(pointer->x, pointer->y, 0, map_buttons(buttons_state)); +} + + +static void tablet_wheel(SpiceTabletInstance* sin, int wheel, + uint32_t buttons_state) +{ + QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet); + + kbd_mouse_event(pointer->x, pointer->y, wheel, map_buttons(buttons_state)); +} + +static void tablet_buttons(SpiceTabletInstance *sin, + uint32_t buttons_state) +{ + QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet); + + kbd_mouse_event(pointer->x, pointer->y, 0, map_buttons(buttons_state)); +} + +static const SpiceTabletInterface tablet_interface = { + .base.type = SPICE_INTERFACE_TABLET, + .base.description = "tablet", + .base.major_version = SPICE_INTERFACE_TABLET_MAJOR, + .base.minor_version = SPICE_INTERFACE_TABLET_MINOR, + .set_logical_size = tablet_set_logical_size, + .position = tablet_position, + .wheel = tablet_wheel, + .buttons = tablet_buttons, +}; + +static void mouse_mode_notifier(Notifier *notifier) +{ + QemuSpicePointer *pointer = container_of(notifier, QemuSpicePointer, mouse_mode); + bool is_absolute = kbd_mouse_is_absolute(); + + if (pointer->absolute == is_absolute) { + return; + } + + if (is_absolute) { + qemu_spice_add_interface(&pointer->tablet.base); + } else { + spice_server_remove_interface(&pointer->tablet.base); + } + pointer->absolute = is_absolute; +} + +void qemu_spice_input_init(void) +{ + QemuSpiceKbd *kbd; + QemuSpicePointer *pointer; + + kbd = qemu_mallocz(sizeof(*kbd)); + kbd->sin.base.sif = &kbd_interface.base; + qemu_spice_add_interface(&kbd->sin.base); + qemu_add_led_event_handler(kbd_leds, kbd); + + pointer = qemu_mallocz(sizeof(*pointer)); + pointer->mouse.base.sif = &mouse_interface.base; + pointer->tablet.base.sif = &tablet_interface.base; + qemu_spice_add_interface(&pointer->mouse.base); + + pointer->absolute = false; + pointer->mouse_mode.notify = mouse_mode_notifier; + qemu_add_mouse_mode_change_notifier(&pointer->mouse_mode); + mouse_mode_notifier(&pointer->mouse_mode); +} |