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Diffstat (limited to 'hw/xwayland/xwayland-input.c')
| -rw-r--r-- | hw/xwayland/xwayland-input.c | 666 |
1 files changed, 666 insertions, 0 deletions
diff --git a/hw/xwayland/xwayland-input.c b/hw/xwayland/xwayland-input.c new file mode 100644 index 000000000..990cb82d8 --- /dev/null +++ b/hw/xwayland/xwayland-input.c @@ -0,0 +1,666 @@ +/* + * Copyright © 2014 Intel Corporation + * Copyright © 2008 Kristian Høgsberg + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of the + * copyright holders not be used in advertising or publicity + * pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied + * warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +#include "xwayland.h" + +#include <linux/input.h> + +#include <sys/mman.h> +#include <xkbsrv.h> +#include <xserver-properties.h> +#include <inpututils.h> + +static void +xwl_pointer_control(DeviceIntPtr device, PtrCtrl *ctrl) +{ + /* Nothing to do, dix handles all settings */ +} + +static int +xwl_pointer_proc(DeviceIntPtr device, int what) +{ +#define NBUTTONS 10 +#define NAXES 2 + BYTE map[NBUTTONS + 1]; + int i = 0; + Atom btn_labels[NBUTTONS] = { 0 }; + Atom axes_labels[NAXES] = { 0 }; + + switch (what) { + case DEVICE_INIT: + device->public.on = FALSE; + + for (i = 1; i <= NBUTTONS; i++) + map[i] = i; + + btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT); + btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE); + btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT); + btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP); + btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN); + btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT); + btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT); + /* don't know about the rest */ + + axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_X); + axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_Y); + + if (!InitValuatorClassDeviceStruct(device, 2, btn_labels, + GetMotionHistorySize(), Absolute)) + return BadValue; + + /* Valuators */ + InitValuatorAxisStruct(device, 0, axes_labels[0], + 0, 0xFFFF, 10000, 0, 10000, Absolute); + InitValuatorAxisStruct(device, 1, axes_labels[1], + 0, 0xFFFF, 10000, 0, 10000, Absolute); + + if (!InitPtrFeedbackClassDeviceStruct(device, xwl_pointer_control)) + return BadValue; + + if (!InitButtonClassDeviceStruct(device, 3, btn_labels, map)) + return BadValue; + + return Success; + + case DEVICE_ON: + device->public.on = TRUE; + return Success; + + case DEVICE_OFF: + case DEVICE_CLOSE: + device->public.on = FALSE; + return Success; + } + + return BadMatch; + +#undef NBUTTONS +#undef NAXES +} + +static void +xwl_keyboard_control(DeviceIntPtr device, KeybdCtrl *ctrl) +{ +} + +static int +xwl_keyboard_proc(DeviceIntPtr device, int what) +{ + struct xwl_seat *xwl_seat = device->public.devicePrivate; + int len; + + switch (what) { + case DEVICE_INIT: + device->public.on = FALSE; + if (xwl_seat->keymap) + len = strnlen(xwl_seat->keymap, xwl_seat->keymap_size); + else + len = 0; + if (!InitKeyboardDeviceStructFromString(device, xwl_seat->keymap, + len, + NULL, xwl_keyboard_control)) + return BadValue; + + return Success; + case DEVICE_ON: + device->public.on = TRUE; + return Success; + + case DEVICE_OFF: + case DEVICE_CLOSE: + device->public.on = FALSE; + return Success; + } + + return BadMatch; +} + +static void +pointer_handle_enter(void *data, struct wl_pointer *pointer, + uint32_t serial, struct wl_surface *surface, + wl_fixed_t sx_w, wl_fixed_t sy_w) +{ + struct xwl_seat *xwl_seat = data; + DeviceIntPtr dev = xwl_seat->pointer; + int i; + int sx = wl_fixed_to_int(sx_w); + int sy = wl_fixed_to_int(sy_w); + ScreenPtr pScreen = xwl_seat->xwl_screen->screen; + ValuatorMask mask; + + xwl_seat->xwl_screen->serial = serial; + xwl_seat->pointer_enter_serial = serial; + + xwl_seat->focus_window = wl_surface_get_user_data(surface); + + (*pScreen->SetCursorPosition) (dev, pScreen, sx, sy, TRUE); + CheckMotion(NULL, GetMaster(dev, MASTER_POINTER)); + + /* Ideally, X clients shouldn't see these button releases. When + * the pointer leaves a window with buttons down, it means that + * the wayland compositor has grabbed the pointer. The button + * release event is consumed by whatever grab in the compositor + * and won't be sent to clients (the X server is a client). + * However, we need to reset X's idea of which buttons are up and + * down, and they're all up (by definition) when the pointer + * enters a window. We should figure out a way to swallow these + * events, perhaps using an X grab whenever the pointer is not in + * any X window, but for now just send the events. */ + valuator_mask_zero(&mask); + for (i = 0; i < dev->button->numButtons; i++) + if (BitIsOn(dev->button->down, i)) + QueuePointerEvents(xwl_seat->pointer, ButtonRelease, i, 0, &mask); +} + +static void +pointer_handle_leave(void *data, struct wl_pointer *pointer, + uint32_t serial, struct wl_surface *surface) +{ + struct xwl_seat *xwl_seat = data; + DeviceIntPtr dev = xwl_seat->pointer; + + xwl_seat->xwl_screen->serial = serial; + + xwl_seat->focus_window = NULL; + CheckMotion(NULL, GetMaster(dev, MASTER_POINTER)); +} + +static void +pointer_handle_motion(void *data, struct wl_pointer *pointer, + uint32_t time, wl_fixed_t sx_w, wl_fixed_t sy_w) +{ + struct xwl_seat *xwl_seat = data; + int32_t dx, dy; + int sx = wl_fixed_to_int(sx_w); + int sy = wl_fixed_to_int(sy_w); + ValuatorMask mask; + + if (!xwl_seat->focus_window) + return; + + dx = xwl_seat->focus_window->window->drawable.x; + dy = xwl_seat->focus_window->window->drawable.y; + + valuator_mask_zero(&mask); + valuator_mask_set(&mask, 0, dx + sx); + valuator_mask_set(&mask, 1, dy + sy); + + QueuePointerEvents(xwl_seat->pointer, MotionNotify, 0, + POINTER_ABSOLUTE | POINTER_SCREEN, &mask); +} + +static void +pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial, + uint32_t time, uint32_t button, uint32_t state) +{ + struct xwl_seat *xwl_seat = data; + int index; + ValuatorMask mask; + + xwl_seat->xwl_screen->serial = serial; + + switch (button) { + case BTN_MIDDLE: + index = 2; + break; + case BTN_RIGHT: + index = 3; + break; + default: + index = button - BTN_LEFT + 1; + break; + } + + valuator_mask_zero(&mask); + QueuePointerEvents(xwl_seat->pointer, + state ? ButtonPress : ButtonRelease, index, 0, &mask); +} + +static void +pointer_handle_axis(void *data, struct wl_pointer *pointer, + uint32_t time, uint32_t axis, wl_fixed_t value) +{ + struct xwl_seat *xwl_seat = data; + int index, count; + int i, val; + const int divisor = 10; + ValuatorMask mask; + + if (time - xwl_seat->scroll_time > 2000) { + xwl_seat->vertical_scroll = 0; + xwl_seat->horizontal_scroll = 0; + } + xwl_seat->scroll_time = time; + + /* FIXME: Need to do proper smooth scrolling here! */ + switch (axis) { + case WL_POINTER_AXIS_VERTICAL_SCROLL: + xwl_seat->vertical_scroll += value / divisor; + val = wl_fixed_to_int(xwl_seat->vertical_scroll); + xwl_seat->vertical_scroll -= wl_fixed_from_int(val); + + if (val <= -1) + index = 4; + else if (val >= 1) + index = 5; + else + return; + break; + case WL_POINTER_AXIS_HORIZONTAL_SCROLL: + xwl_seat->horizontal_scroll += value / divisor; + val = wl_fixed_to_int(xwl_seat->horizontal_scroll); + xwl_seat->horizontal_scroll -= wl_fixed_from_int(val); + + if (val <= -1) + index = 6; + else if (val >= 1) + index = 7; + else + return; + break; + default: + return; + } + + valuator_mask_zero(&mask); + + count = abs(val); + for (i = 0; i < count; i++) { + QueuePointerEvents(xwl_seat->pointer, ButtonPress, index, 0, &mask); + QueuePointerEvents(xwl_seat->pointer, ButtonRelease, index, 0, &mask); + } +} + +static const struct wl_pointer_listener pointer_listener = { + pointer_handle_enter, + pointer_handle_leave, + pointer_handle_motion, + pointer_handle_button, + pointer_handle_axis, +}; + +static void +keyboard_handle_key(void *data, struct wl_keyboard *keyboard, uint32_t serial, + uint32_t time, uint32_t key, uint32_t state) +{ + struct xwl_seat *xwl_seat = data; + uint32_t *k, *end; + ValuatorMask mask; + + xwl_seat->xwl_screen->serial = serial; + + end = (uint32_t *) ((char *) xwl_seat->keys.data + xwl_seat->keys.size); + for (k = xwl_seat->keys.data; k < end; k++) { + if (*k == key) + *k = *--end; + } + xwl_seat->keys.size = (char *) end - (char *) xwl_seat->keys.data; + if (state) { + k = wl_array_add(&xwl_seat->keys, sizeof *k); + *k = key; + } + + valuator_mask_zero(&mask); + QueueKeyboardEvents(xwl_seat->keyboard, + state ? KeyPress : KeyRelease, key + 8, &mask); +} + +static void +keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard, + uint32_t format, int fd, uint32_t size) +{ + struct xwl_seat *xwl_seat = data; + DeviceIntPtr master; + XkbDescPtr xkb; + XkbChangesRec changes = { 0 }; + + if (xwl_seat->keymap) + munmap(xwl_seat->keymap, xwl_seat->keymap_size); + + xwl_seat->keymap_size = size; + xwl_seat->keymap = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); + if (xwl_seat->keymap == MAP_FAILED) { + xwl_seat->keymap_size = 0; + xwl_seat->keymap = NULL; + goto out; + } + + xkb = XkbCompileKeymapFromString(xwl_seat->keyboard, xwl_seat->keymap, + strnlen(xwl_seat->keymap, + xwl_seat->keymap_size)); + if (!xkb) + goto out; + + XkbUpdateDescActions(xkb, xkb->min_key_code, XkbNumKeys(xkb), &changes); + + if (xwl_seat->keyboard->key) + /* Keep the current controls */ + XkbCopyControls(xkb, xwl_seat->keyboard->key->xkbInfo->desc); + + XkbDeviceApplyKeymap(xwl_seat->keyboard, xkb); + + master = GetMaster(xwl_seat->keyboard, MASTER_KEYBOARD); + if (master && master->lastSlave == xwl_seat->keyboard) + XkbDeviceApplyKeymap(master, xkb); + + XkbFreeKeyboard(xkb, XkbAllComponentsMask, TRUE); + + out: + close(fd); +} + +static void +keyboard_handle_enter(void *data, struct wl_keyboard *keyboard, + uint32_t serial, + struct wl_surface *surface, struct wl_array *keys) +{ + struct xwl_seat *xwl_seat = data; + ValuatorMask mask; + uint32_t *k; + + xwl_seat->xwl_screen->serial = serial; + xwl_seat->keyboard_focus = surface; + + wl_array_copy(&xwl_seat->keys, keys); + valuator_mask_zero(&mask); + wl_array_for_each(k, &xwl_seat->keys) + QueueKeyboardEvents(xwl_seat->keyboard, KeyPress, *k + 8, &mask); +} + +static void +keyboard_handle_leave(void *data, struct wl_keyboard *keyboard, + uint32_t serial, struct wl_surface *surface) +{ + struct xwl_seat *xwl_seat = data; + ValuatorMask mask; + uint32_t *k; + + xwl_seat->xwl_screen->serial = serial; + + valuator_mask_zero(&mask); + wl_array_for_each(k, &xwl_seat->keys) + QueueKeyboardEvents(xwl_seat->keyboard, KeyRelease, *k + 8, &mask); + + xwl_seat->keyboard_focus = NULL; +} + +static void +keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard, + uint32_t serial, uint32_t mods_depressed, + uint32_t mods_latched, uint32_t mods_locked, + uint32_t group) +{ + struct xwl_seat *xwl_seat = data; + DeviceIntPtr dev; + XkbStateRec old_state, *new_state; + xkbStateNotify sn; + CARD16 changed; + + /* We don't need any of this while we have keyboard focus since + the regular key event processing already takes care of setting + our internal state correctly. */ + if (xwl_seat->keyboard_focus) + return; + + for (dev = inputInfo.devices; dev; dev = dev->next) { + if (dev != xwl_seat->keyboard && + dev != GetMaster(xwl_seat->keyboard, MASTER_KEYBOARD)) + continue; + + old_state = dev->key->xkbInfo->state; + new_state = &dev->key->xkbInfo->state; + + new_state->locked_group = group & XkbAllGroupsMask; + new_state->locked_mods = mods_locked & XkbAllModifiersMask; + XkbLatchModifiers(dev, XkbAllModifiersMask, + mods_latched & XkbAllModifiersMask); + + XkbComputeDerivedState(dev->key->xkbInfo); + + changed = XkbStateChangedFlags(&old_state, new_state); + if (!changed) + continue; + + sn.keycode = 0; + sn.eventType = 0; + sn.requestMajor = XkbReqCode; + sn.requestMinor = X_kbLatchLockState; /* close enough */ + sn.changed = changed; + XkbSendStateNotify(dev, &sn); + } +} + +static const struct wl_keyboard_listener keyboard_listener = { + keyboard_handle_keymap, + keyboard_handle_enter, + keyboard_handle_leave, + keyboard_handle_key, + keyboard_handle_modifiers, +}; + +static DeviceIntPtr +add_device(struct xwl_seat *xwl_seat, + const char *driver, DeviceProc device_proc) +{ + DeviceIntPtr dev = NULL; + static Atom type_atom; + char name[32]; + + dev = AddInputDevice(serverClient, device_proc, TRUE); + if (dev == NULL) + return NULL; + + if (type_atom == None) + type_atom = MakeAtom(driver, strlen(driver), TRUE); + snprintf(name, sizeof name, "%s:%d", driver, xwl_seat->id); + AssignTypeAndName(dev, type_atom, name); + dev->public.devicePrivate = xwl_seat; + dev->type = SLAVE; + dev->spriteInfo->spriteOwner = FALSE; + + return dev; +} + +static void +seat_handle_capabilities(void *data, struct wl_seat *seat, + enum wl_seat_capability caps) +{ + struct xwl_seat *xwl_seat = data; + + if (caps & WL_SEAT_CAPABILITY_POINTER && xwl_seat->pointer == NULL) { + xwl_seat->wl_pointer = wl_seat_get_pointer(seat); + wl_pointer_add_listener(xwl_seat->wl_pointer, + &pointer_listener, xwl_seat); + xwl_seat_set_cursor(xwl_seat); + xwl_seat->pointer = + add_device(xwl_seat, "xwayland-pointer", xwl_pointer_proc); + } + else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && xwl_seat->pointer) { + wl_pointer_release(xwl_seat->wl_pointer); + RemoveDevice(xwl_seat->pointer, FALSE); + xwl_seat->pointer = NULL; + } + + if (caps & WL_SEAT_CAPABILITY_KEYBOARD && xwl_seat->keyboard == NULL) { + xwl_seat->wl_keyboard = wl_seat_get_keyboard(seat); + wl_keyboard_add_listener(xwl_seat->wl_keyboard, + &keyboard_listener, xwl_seat); + xwl_seat->keyboard = + add_device(xwl_seat, "xwayland-keyboard", xwl_keyboard_proc); + } + else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && xwl_seat->keyboard) { + wl_keyboard_release(xwl_seat->wl_keyboard); + RemoveDevice(xwl_seat->keyboard, FALSE); + xwl_seat->keyboard = NULL; + } + + xwl_seat->xwl_screen->expecting_event--; + /* FIXME: Touch ... */ +} + +static void +seat_handle_name(void *data, struct wl_seat *seat, + const char *name) +{ + +} + +static const struct wl_seat_listener seat_listener = { + seat_handle_capabilities, + seat_handle_name +}; + +static void +create_input_device(struct xwl_screen *xwl_screen, uint32_t id) +{ + struct xwl_seat *xwl_seat; + + xwl_seat = calloc(sizeof *xwl_seat, 1); + if (xwl_seat == NULL) { + ErrorF("create_input ENOMEM"); + return; + } + + xwl_seat->xwl_screen = xwl_screen; + xorg_list_add(&xwl_seat->link, &xwl_screen->seat_list); + + xwl_seat->seat = + wl_registry_bind(xwl_screen->registry, id, &wl_seat_interface, 3); + xwl_seat->id = id; + + xwl_seat->cursor = wl_compositor_create_surface(xwl_screen->compositor); + wl_seat_add_listener(xwl_seat->seat, &seat_listener, xwl_seat); + wl_array_init(&xwl_seat->keys); +} + +void +xwl_seat_destroy(struct xwl_seat *xwl_seat) +{ + RemoveDevice(xwl_seat->pointer, FALSE); + RemoveDevice(xwl_seat->keyboard, FALSE); + wl_seat_destroy(xwl_seat->seat); + wl_surface_destroy(xwl_seat->cursor); + wl_array_release(&xwl_seat->keys); + free(xwl_seat); +} + +static void +input_handler(void *data, struct wl_registry *registry, uint32_t id, + const char *interface, uint32_t version) +{ + struct xwl_screen *xwl_screen = data; + + if (strcmp(interface, "wl_seat") == 0 && version >= 3) { + create_input_device(xwl_screen, id); + xwl_screen->expecting_event++; + } +} + +static void +global_remove(void *data, struct wl_registry *registry, uint32_t name) +{ +} + +static const struct wl_registry_listener input_listener = { + input_handler, + global_remove, +}; + +Bool +LegalModifier(unsigned int key, DeviceIntPtr pDev) +{ + return TRUE; +} + +void +ProcessInputEvents(void) +{ + mieqProcessInputEvents(); +} + +void +DDXRingBell(int volume, int pitch, int duration) +{ +} + +static WindowPtr +xwl_xy_to_window(ScreenPtr screen, SpritePtr sprite, int x, int y) +{ + struct xwl_seat *xwl_seat = NULL; + DeviceIntPtr device; + + for (device = inputInfo.devices; device; device = device->next) { + if (device->deviceProc == xwl_pointer_proc && + device->spriteInfo->sprite == sprite) { + xwl_seat = device->public.devicePrivate; + break; + } + } + + if (xwl_seat == NULL) { + /* XTEST device */ + sprite->spriteTraceGood = 1; + return sprite->spriteTrace[0]; + } + + if (xwl_seat->focus_window) { + sprite->spriteTraceGood = 2; + sprite->spriteTrace[1] = xwl_seat->focus_window->window; + return miSpriteTrace(sprite, x, y); + } + else { + sprite->spriteTraceGood = 1; + return sprite->spriteTrace[0]; + } +} + +void +InitInput(int argc, char *argv[]) +{ + ScreenPtr pScreen = screenInfo.screens[0]; + struct xwl_screen *xwl_screen = xwl_screen_get(pScreen); + + mieqInit(); + + xwl_screen->input_registry = wl_display_get_registry(xwl_screen->display); + wl_registry_add_listener(xwl_screen->input_registry, &input_listener, + xwl_screen); + + xwl_screen->XYToWindow = pScreen->XYToWindow; + pScreen->XYToWindow = xwl_xy_to_window; + + xwl_screen->expecting_event = 0; + wl_display_roundtrip(xwl_screen->display); + while (xwl_screen->expecting_event) + wl_display_roundtrip(xwl_screen->display); +} + +void +CloseInput(void) +{ + mieqFini(); +} |