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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
commita9bcc81f821d7c66f623779fa5147e728eb3c388 (patch)
tree98676963bcdd537ae5908a067a8eb110b93486a6 /uwac/libuwac/uwac-input.c
parentInitial commit. (diff)
downloadfreerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.tar.xz
freerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.zip
Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'uwac/libuwac/uwac-input.c')
-rw-r--r--uwac/libuwac/uwac-input.c1277
1 files changed, 1277 insertions, 0 deletions
diff --git a/uwac/libuwac/uwac-input.c b/uwac/libuwac/uwac-input.c
new file mode 100644
index 0000000..5ad52ae
--- /dev/null
+++ b/uwac/libuwac/uwac-input.c
@@ -0,0 +1,1277 @@
+/*
+ * Copyright © 2014-2015 David FORT <contact@hardening-consulting.com>
+ *
+ * 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 "uwac-priv.h"
+#include "uwac-utils.h"
+
+#include <stdio.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/timerfd.h>
+#include <sys/epoll.h>
+
+#include "uwac-os.h"
+#include "wayland-cursor.h"
+#include "wayland-client-protocol.h"
+
+static struct wl_buffer* create_pointer_buffer(UwacSeat* seat, const void* src, size_t size)
+{
+ struct wl_buffer* buffer = NULL;
+ int fd = 0;
+ void* data = NULL;
+ struct wl_shm_pool* pool = NULL;
+
+ assert(seat);
+
+ fd = uwac_create_anonymous_file(size);
+
+ if (fd < 0)
+ return buffer;
+
+ data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+
+ if (data == MAP_FAILED)
+ {
+ goto error_mmap;
+ }
+ memcpy(data, src, size);
+
+ pool = wl_shm_create_pool(seat->display->shm, fd, size);
+
+ if (!pool)
+ {
+ munmap(data, size);
+ goto error_mmap;
+ }
+
+ buffer =
+ wl_shm_pool_create_buffer(pool, 0, seat->pointer_image->width, seat->pointer_image->height,
+ seat->pointer_image->width * 4, WL_SHM_FORMAT_ARGB8888);
+ wl_shm_pool_destroy(pool);
+
+ if (munmap(data, size) < 0)
+ fprintf(stderr, "%s: munmap(%p, %zu) failed with [%d] %s\n", __func__, data, size, errno,
+ strerror(errno));
+
+error_mmap:
+ close(fd);
+ return buffer;
+}
+
+static void on_buffer_release(void* data, struct wl_buffer* wl_buffer)
+{
+ (void)data;
+ wl_buffer_destroy(wl_buffer);
+}
+
+static const struct wl_buffer_listener buffer_release_listener = { on_buffer_release };
+
+static UwacReturnCode set_cursor_image(UwacSeat* seat, uint32_t serial)
+{
+ struct wl_buffer* buffer = NULL;
+ struct wl_cursor* cursor = NULL;
+ struct wl_cursor_image* image = NULL;
+ struct wl_surface* surface = NULL;
+ int32_t x = 0;
+ int32_t y = 0;
+
+ if (!seat || !seat->display || !seat->default_cursor || !seat->default_cursor->images)
+ return UWAC_ERROR_INTERNAL;
+
+ int scale = 1;
+ if (seat->pointer_focus)
+ scale = seat->pointer_focus->display->actual_scale;
+
+ switch (seat->pointer_type)
+ {
+ case 2: /* Custom poiner */
+ image = seat->pointer_image;
+ buffer = create_pointer_buffer(seat, seat->pointer_data, seat->pointer_size);
+ if (!buffer)
+ return UWAC_ERROR_INTERNAL;
+ if (wl_buffer_add_listener(buffer, &buffer_release_listener, seat) < 0)
+ return UWAC_ERROR_INTERNAL;
+
+ surface = seat->pointer_surface;
+ x = image->hotspot_x / scale;
+ y = image->hotspot_y / scale;
+ break;
+ case 1: /* NULL pointer */
+ break;
+ default: /* Default system pointer */
+ cursor = seat->default_cursor;
+ if (!cursor)
+ return UWAC_ERROR_INTERNAL;
+ image = cursor->images[0];
+ if (!image)
+ return UWAC_ERROR_INTERNAL;
+ x = image->hotspot_x;
+ y = image->hotspot_y;
+ buffer = wl_cursor_image_get_buffer(image);
+ if (!buffer)
+ return UWAC_ERROR_INTERNAL;
+ surface = seat->pointer_surface;
+ break;
+ }
+
+ if (surface && buffer)
+ {
+ wl_surface_set_buffer_scale(surface, scale);
+ wl_surface_attach(surface, buffer, 0, 0);
+ wl_surface_damage(surface, 0, 0, image->width, image->height);
+ wl_surface_commit(surface);
+ }
+
+ wl_pointer_set_cursor(seat->pointer, serial, surface, x, y);
+
+ return UWAC_SUCCESS;
+}
+
+static void keyboard_repeat_func(UwacTask* task, uint32_t events)
+{
+ UwacSeat* input = container_of(task, UwacSeat, repeat_task);
+ assert(input);
+ UwacWindow* window = input->keyboard_focus;
+ uint64_t exp = 0;
+
+ if (read(input->repeat_timer_fd, &exp, sizeof exp) != sizeof exp)
+ /* If we change the timer between the fd becoming
+ * readable and getting here, there'll be nothing to
+ * read and we get EAGAIN. */
+ return;
+
+ if (window)
+ {
+ UwacKeyEvent* key = NULL;
+
+ key = (UwacKeyEvent*)UwacDisplayNewEvent(input->display, UWAC_EVENT_KEY);
+ if (!key)
+ return;
+
+ key->window = window;
+ key->sym = input->repeat_sym;
+ key->raw_key = input->repeat_key;
+ key->pressed = true;
+ key->repeated = true;
+ }
+}
+
+static void keyboard_handle_keymap(void* data, struct wl_keyboard* keyboard, uint32_t format,
+ int fd, uint32_t size)
+{
+ UwacSeat* input = data;
+ struct xkb_keymap* keymap = NULL;
+ struct xkb_state* state = NULL;
+ char* map_str = NULL;
+ int mapFlags = MAP_SHARED;
+
+ if (!data)
+ {
+ close(fd);
+ return;
+ }
+
+ if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1)
+ {
+ close(fd);
+ return;
+ }
+
+ if (input->seat_version >= 7)
+ mapFlags = MAP_PRIVATE;
+
+ map_str = mmap(NULL, size, PROT_READ, mapFlags, fd, 0);
+ if (map_str == MAP_FAILED)
+ {
+ close(fd);
+ return;
+ }
+
+ keymap = xkb_keymap_new_from_string(input->xkb_context, map_str, XKB_KEYMAP_FORMAT_TEXT_V1, 0);
+ munmap(map_str, size);
+ close(fd);
+
+ if (!keymap)
+ {
+ assert(uwacErrorHandler(input->display, UWAC_ERROR_INTERNAL, "failed to compile keymap\n"));
+ return;
+ }
+
+ state = xkb_state_new(keymap);
+ if (!state)
+ {
+ assert(
+ uwacErrorHandler(input->display, UWAC_ERROR_NOMEMORY, "failed to create XKB state\n"));
+ xkb_keymap_unref(keymap);
+ return;
+ }
+
+ xkb_keymap_unref(input->xkb.keymap);
+ xkb_state_unref(input->xkb.state);
+ input->xkb.keymap = keymap;
+ input->xkb.state = state;
+
+ input->xkb.control_mask = 1 << xkb_keymap_mod_get_index(input->xkb.keymap, "Control");
+ input->xkb.alt_mask = 1 << xkb_keymap_mod_get_index(input->xkb.keymap, "Mod1");
+ input->xkb.shift_mask = 1 << xkb_keymap_mod_get_index(input->xkb.keymap, "Shift");
+ input->xkb.caps_mask = 1 << xkb_keymap_mod_get_index(input->xkb.keymap, "Lock");
+ input->xkb.num_mask = 1 << xkb_keymap_mod_get_index(input->xkb.keymap, "Mod2");
+}
+
+static void keyboard_handle_key(void* data, struct wl_keyboard* keyboard, uint32_t serial,
+ uint32_t time, uint32_t key, uint32_t state_w);
+
+static void keyboard_handle_enter(void* data, struct wl_keyboard* keyboard, uint32_t serial,
+ struct wl_surface* surface, struct wl_array* keys)
+{
+ UwacSeat* input = (UwacSeat*)data;
+ assert(input);
+
+ UwacKeyboardEnterLeaveEvent* event = (UwacKeyboardEnterLeaveEvent*)UwacDisplayNewEvent(
+ input->display, UWAC_EVENT_KEYBOARD_ENTER);
+ if (!event)
+ return;
+
+ event->window = input->keyboard_focus = (UwacWindow*)wl_surface_get_user_data(surface);
+ event->seat = input;
+
+ /* we may have the keys in the `keys` array, but as this function is called only
+ * when the window gets focus, so there may be keys from other unrelated windows, eg.
+ * this was leading to problems like passing CTRL+D to freerdp from closing terminal window
+ * if it was closing very fast and the keys was still pressed by the user while the freerdp
+ * gets focus
+ *
+ * currently just ignore this, as further key presses will be handled correctly anyway
+ */
+}
+
+static void keyboard_handle_leave(void* data, struct wl_keyboard* keyboard, uint32_t serial,
+ struct wl_surface* surface)
+{
+ struct itimerspec its = { 0 };
+ uint32_t* pressedKey = NULL;
+ size_t i = 0;
+
+ UwacSeat* input = (UwacSeat*)data;
+ assert(input);
+
+ its.it_interval.tv_sec = 0;
+ its.it_interval.tv_nsec = 0;
+ its.it_value.tv_sec = 0;
+ its.it_value.tv_nsec = 0;
+ timerfd_settime(input->repeat_timer_fd, 0, &its, NULL);
+
+ UwacPointerEnterLeaveEvent* event =
+ (UwacPointerEnterLeaveEvent*)UwacDisplayNewEvent(input->display, UWAC_EVENT_POINTER_LEAVE);
+ if (!event)
+ return;
+
+ event->window = input->keyboard_focus;
+
+ /* we are currently loosing input focus of the main window:
+ * check if we currently have some keys pressed and release them as if we enter the window again
+ * it will be still "virtually" pressed in remote even if in reality the key has been released
+ */
+ for (pressedKey = input->pressed_keys.data, i = 0; i < input->pressed_keys.size;
+ i += sizeof(uint32_t))
+ {
+ keyboard_handle_key(data, keyboard, serial, 0, *pressedKey, WL_KEYBOARD_KEY_STATE_RELEASED);
+ pressedKey++;
+ }
+}
+
+static int update_key_pressed(UwacSeat* seat, uint32_t key)
+{
+ uint32_t* keyPtr = NULL;
+ assert(seat);
+
+ /* check if the key is not already pressed */
+ wl_array_for_each(keyPtr, &seat->pressed_keys)
+ {
+ if (*keyPtr == key)
+ return 1;
+ }
+
+ keyPtr = wl_array_add(&seat->pressed_keys, sizeof(uint32_t));
+ if (!keyPtr)
+ return -1;
+
+ *keyPtr = key;
+ return 0;
+}
+
+static int update_key_released(UwacSeat* seat, uint32_t key)
+{
+ size_t toMove = 0;
+ bool found = false;
+
+ assert(seat);
+
+ size_t i = 0;
+ uint32_t* keyPtr = seat->pressed_keys.data;
+ for (; i < seat->pressed_keys.size; i++, keyPtr++)
+ {
+ if (*keyPtr == key)
+ {
+ found = true;
+ break;
+ }
+ }
+
+ if (found)
+ {
+ toMove = seat->pressed_keys.size - ((i + 1) * sizeof(uint32_t));
+ if (toMove)
+ memmove(keyPtr, keyPtr + 1, toMove);
+
+ seat->pressed_keys.size -= sizeof(uint32_t);
+ }
+ return 1;
+}
+
+static void keyboard_handle_key(void* data, struct wl_keyboard* keyboard, uint32_t serial,
+ uint32_t time, uint32_t key, uint32_t state_w)
+{
+ UwacSeat* input = (UwacSeat*)data;
+ assert(input);
+
+ UwacWindow* window = input->keyboard_focus;
+ UwacKeyEvent* keyEvent = NULL;
+
+ uint32_t code = 0;
+ uint32_t num_syms = 0;
+ enum wl_keyboard_key_state state = state_w;
+ const xkb_keysym_t* syms = NULL;
+ xkb_keysym_t sym = 0;
+ struct itimerspec its;
+
+ if (state_w == WL_KEYBOARD_KEY_STATE_PRESSED)
+ update_key_pressed(input, key);
+ else
+ update_key_released(input, key);
+
+ input->display->serial = serial;
+ code = key + 8;
+ if (!window || !input->xkb.state)
+ return;
+
+ /* We only use input grabs for pointer events for now, so just
+ * ignore key presses if a grab is active. We expand the key
+ * event delivery mechanism to route events to widgets to
+ * properly handle key grabs. In the meantime, this prevents
+ * key event delivery while a grab is active. */
+ /*if (input->grab && input->grab_button == 0)
+ return;*/
+
+ num_syms = xkb_state_key_get_syms(input->xkb.state, code, &syms);
+
+ sym = XKB_KEY_NoSymbol;
+ if (num_syms == 1)
+ sym = syms[0];
+
+ if (state == WL_KEYBOARD_KEY_STATE_RELEASED && key == input->repeat_key)
+ {
+ its.it_interval.tv_sec = 0;
+ its.it_interval.tv_nsec = 0;
+ its.it_value.tv_sec = 0;
+ its.it_value.tv_nsec = 0;
+ timerfd_settime(input->repeat_timer_fd, 0, &its, NULL);
+ }
+ else if (state == WL_KEYBOARD_KEY_STATE_PRESSED &&
+ xkb_keymap_key_repeats(input->xkb.keymap, code))
+ {
+ input->repeat_sym = sym;
+ input->repeat_key = key;
+ input->repeat_time = time;
+ its.it_interval.tv_sec = input->repeat_rate_sec;
+ its.it_interval.tv_nsec = input->repeat_rate_nsec;
+ its.it_value.tv_sec = input->repeat_delay_sec;
+ its.it_value.tv_nsec = input->repeat_delay_nsec;
+ timerfd_settime(input->repeat_timer_fd, 0, &its, NULL);
+ }
+
+ keyEvent = (UwacKeyEvent*)UwacDisplayNewEvent(input->display, UWAC_EVENT_KEY);
+ if (!keyEvent)
+ return;
+
+ keyEvent->window = window;
+ keyEvent->sym = sym;
+ keyEvent->raw_key = key;
+ keyEvent->pressed = (state == WL_KEYBOARD_KEY_STATE_PRESSED);
+ keyEvent->repeated = false;
+}
+
+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)
+{
+ UwacSeat* input = data;
+ assert(input);
+
+ UwacKeyboardModifiersEvent* event = NULL;
+ xkb_mod_mask_t mask = 0;
+
+ /* If we're not using a keymap, then we don't handle PC-style modifiers */
+ if (!input->xkb.keymap)
+ return;
+
+ xkb_state_update_mask(input->xkb.state, mods_depressed, mods_latched, mods_locked, 0, 0, group);
+ mask = xkb_state_serialize_mods(input->xkb.state, XKB_STATE_MODS_DEPRESSED |
+ XKB_STATE_MODS_LATCHED |
+ XKB_STATE_MODS_LOCKED);
+ input->modifiers = 0;
+ if (mask & input->xkb.control_mask)
+ input->modifiers |= UWAC_MOD_CONTROL_MASK;
+ if (mask & input->xkb.alt_mask)
+ input->modifiers |= UWAC_MOD_ALT_MASK;
+ if (mask & input->xkb.shift_mask)
+ input->modifiers |= UWAC_MOD_SHIFT_MASK;
+ if (mask & input->xkb.caps_mask)
+ input->modifiers |= UWAC_MOD_CAPS_MASK;
+ if (mask & input->xkb.num_mask)
+ input->modifiers |= UWAC_MOD_NUM_MASK;
+
+ event = (UwacKeyboardModifiersEvent*)UwacDisplayNewEvent(input->display,
+ UWAC_EVENT_KEYBOARD_MODIFIERS);
+ if (!event)
+ return;
+
+ event->modifiers = input->modifiers;
+}
+
+static void set_repeat_info(UwacSeat* input, int32_t rate, int32_t delay)
+{
+ assert(input);
+
+ input->repeat_rate_sec = input->repeat_rate_nsec = 0;
+ input->repeat_delay_sec = input->repeat_delay_nsec = 0;
+
+ /* a rate of zero disables any repeating, regardless of the delay's
+ * value */
+ if (rate == 0)
+ return;
+
+ if (rate == 1)
+ input->repeat_rate_sec = 1;
+ else
+ input->repeat_rate_nsec = 1000000000 / rate;
+
+ input->repeat_delay_sec = delay / 1000;
+ delay -= (input->repeat_delay_sec * 1000);
+ input->repeat_delay_nsec = delay * 1000 * 1000;
+}
+
+static void keyboard_handle_repeat_info(void* data, struct wl_keyboard* keyboard, int32_t rate,
+ int32_t delay)
+{
+ UwacSeat* input = data;
+ assert(input);
+
+ set_repeat_info(input, rate, delay);
+}
+
+static const struct wl_keyboard_listener keyboard_listener = {
+ keyboard_handle_keymap, keyboard_handle_enter, keyboard_handle_leave,
+ keyboard_handle_key, keyboard_handle_modifiers, keyboard_handle_repeat_info
+};
+
+static bool touch_send_start_frame(UwacSeat* seat)
+{
+ assert(seat);
+
+ UwacTouchFrameBegin* ev =
+ (UwacTouchFrameBegin*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_TOUCH_FRAME_BEGIN);
+ if (!ev)
+ return false;
+
+ seat->touch_frame_started = true;
+ return true;
+}
+
+static void touch_handle_down(void* data, struct wl_touch* wl_touch, uint32_t serial, uint32_t time,
+ struct wl_surface* surface, int32_t id, wl_fixed_t x_w,
+ wl_fixed_t y_w)
+{
+ UwacSeat* seat = data;
+ UwacTouchDown* tdata = NULL;
+
+ assert(seat);
+ assert(seat->display);
+
+ seat->display->serial = serial;
+ if (!seat->touch_frame_started && !touch_send_start_frame(seat))
+ return;
+
+ tdata = (UwacTouchDown*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_TOUCH_DOWN);
+ if (!tdata)
+ return;
+
+ tdata->seat = seat;
+ tdata->id = id;
+
+ float sx = wl_fixed_to_double(x_w);
+ float sy = wl_fixed_to_double(y_w);
+
+ tdata->x = sx;
+ tdata->y = sy;
+
+#if 0
+ struct widget *widget;
+ float sx = wl_fixed_to_double(x);
+ float sy = wl_fixed_to_double(y);
+
+
+ input->touch_focus = wl_surface_get_user_data(surface);
+ if (!input->touch_focus) {
+ DBG("Failed to find to touch focus for surface %p\n", (void*) surface);
+ return;
+ }
+
+ if (surface != input->touch_focus->main_surface->surface) {
+ DBG("Ignoring input event from subsurface %p\n", (void*) surface);
+ input->touch_focus = NULL;
+ return;
+ }
+
+ if (input->grab)
+ widget = input->grab;
+ else
+ widget = window_find_widget(input->touch_focus,
+ wl_fixed_to_double(x),
+ wl_fixed_to_double(y));
+ if (widget) {
+ struct touch_point *tp = xmalloc(sizeof *tp);
+ if (tp) {
+ tp->id = id;
+ tp->widget = widget;
+ tp->x = sx;
+ tp->y = sy;
+ wl_list_insert(&input->touch_point_list, &tp->link);
+
+ if (widget->touch_down_handler)
+ (*widget->touch_down_handler)(widget, input,
+ serial, time, id,
+ sx, sy,
+ widget->user_data);
+ }
+ }
+#endif
+}
+
+static void touch_handle_up(void* data, struct wl_touch* wl_touch, uint32_t serial, uint32_t time,
+ int32_t id)
+{
+ UwacSeat* seat = data;
+ UwacTouchUp* tdata = NULL;
+
+ assert(seat);
+
+ if (!seat->touch_frame_started && !touch_send_start_frame(seat))
+ return;
+
+ tdata = (UwacTouchUp*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_TOUCH_UP);
+ if (!tdata)
+ return;
+
+ tdata->seat = seat;
+ tdata->id = id;
+
+#if 0
+ struct touch_point *tp, *tmp;
+
+ if (!input->touch_focus) {
+ DBG("No touch focus found for touch up event!\n");
+ return;
+ }
+
+ wl_list_for_each_safe(tp, tmp, &input->touch_point_list, link) {
+ if (tp->id != id)
+ continue;
+
+ if (tp->widget->touch_up_handler)
+ (*tp->widget->touch_up_handler)(tp->widget, input, serial,
+ time, id,
+ tp->widget->user_data);
+
+ wl_list_remove(&tp->link);
+ free(tp);
+
+ return;
+ }
+#endif
+}
+
+static void touch_handle_motion(void* data, struct wl_touch* wl_touch, uint32_t time, int32_t id,
+ wl_fixed_t x_w, wl_fixed_t y_w)
+{
+ UwacSeat* seat = data;
+ assert(seat);
+
+ UwacTouchMotion* tdata = NULL;
+
+ if (!seat->touch_frame_started && !touch_send_start_frame(seat))
+ return;
+
+ tdata = (UwacTouchMotion*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_TOUCH_MOTION);
+ if (!tdata)
+ return;
+
+ tdata->seat = seat;
+ tdata->id = id;
+
+ float sx = wl_fixed_to_double(x_w);
+ float sy = wl_fixed_to_double(y_w);
+
+ tdata->x = sx;
+ tdata->y = sy;
+
+#if 0
+ struct touch_point *tp;
+ float sx = wl_fixed_to_double(x);
+ float sy = wl_fixed_to_double(y);
+
+ DBG("touch_handle_motion: %i %i\n", id, wl_list_length(&seat->touch_point_list));
+
+ if (!seat->touch_focus) {
+ DBG("No touch focus found for touch motion event!\n");
+ return;
+ }
+
+ wl_list_for_each(tp, &seat->touch_point_list, link) {
+ if (tp->id != id)
+ continue;
+
+ tp->x = sx;
+ tp->y = sy;
+ if (tp->widget->touch_motion_handler)
+ (*tp->widget->touch_motion_handler)(tp->widget, seat, time,
+ id, sx, sy,
+ tp->widget->user_data);
+ return;
+ }
+#endif
+}
+
+static void touch_handle_frame(void* data, struct wl_touch* wl_touch)
+{
+ UwacSeat* seat = data;
+ assert(seat);
+
+ UwacTouchFrameEnd* ev =
+ (UwacTouchFrameEnd*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_TOUCH_FRAME_END);
+ if (!ev)
+ return;
+
+ ev->seat = seat;
+ seat->touch_frame_started = false;
+}
+
+static void touch_handle_cancel(void* data, struct wl_touch* wl_touch)
+{
+ UwacSeat* seat = data;
+ assert(seat);
+
+ UwacTouchCancel* ev =
+ (UwacTouchCancel*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_TOUCH_CANCEL);
+ if (!ev)
+ return;
+
+ ev->seat = seat;
+ seat->touch_frame_started = false;
+
+#if 0
+ struct touch_point *tp, *tmp;
+
+ DBG("touch_handle_cancel\n");
+
+ if (!input->touch_focus) {
+ DBG("No touch focus found for touch cancel event!\n");
+ return;
+ }
+
+ wl_list_for_each_safe(tp, tmp, &input->touch_point_list, link) {
+ if (tp->widget->touch_cancel_handler)
+ (*tp->widget->touch_cancel_handler)(tp->widget, input,
+ tp->widget->user_data);
+
+ wl_list_remove(&tp->link);
+ free(tp);
+ }
+#endif
+}
+
+static void touch_handle_shape(void* data, struct wl_touch* wl_touch, int32_t id, wl_fixed_t major,
+ wl_fixed_t minor)
+{
+ UwacSeat* seat = data;
+ assert(seat);
+
+ // TODO
+}
+
+static void touch_handle_orientation(void* data, struct wl_touch* wl_touch, int32_t id,
+ wl_fixed_t orientation)
+{
+ UwacSeat* seat = data;
+ assert(seat);
+
+ // TODO
+}
+
+static const struct wl_touch_listener touch_listener = {
+ touch_handle_down, touch_handle_up, touch_handle_motion, touch_handle_frame,
+ touch_handle_cancel, touch_handle_shape, touch_handle_orientation
+};
+
+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)
+{
+ UwacSeat* input = data;
+ UwacWindow* window = NULL;
+ UwacPointerEnterLeaveEvent* event = NULL;
+
+ assert(input);
+
+ float sx = wl_fixed_to_double(sx_w);
+ float sy = wl_fixed_to_double(sy_w);
+
+ if (!surface)
+ {
+ /* enter event for a window we've just destroyed */
+ return;
+ }
+
+ input->display->serial = serial;
+ input->display->pointer_focus_serial = serial;
+ window = wl_surface_get_user_data(surface);
+ if (window)
+ window->pointer_enter_serial = serial;
+ input->pointer_focus = window;
+ input->sx = sx;
+ input->sy = sy;
+
+ event =
+ (UwacPointerEnterLeaveEvent*)UwacDisplayNewEvent(input->display, UWAC_EVENT_POINTER_ENTER);
+ if (!event)
+ return;
+
+ event->seat = input;
+ event->window = window;
+ event->x = sx;
+ event->y = sy;
+
+ /* Apply cursor theme */
+ set_cursor_image(input, serial);
+}
+
+static void pointer_handle_leave(void* data, struct wl_pointer* pointer, uint32_t serial,
+ struct wl_surface* surface)
+{
+ UwacPointerEnterLeaveEvent* event = NULL;
+ UwacWindow* window = NULL;
+ UwacSeat* input = data;
+ assert(input);
+
+ input->display->serial = serial;
+
+ event =
+ (UwacPointerEnterLeaveEvent*)UwacDisplayNewEvent(input->display, UWAC_EVENT_POINTER_LEAVE);
+ if (!event)
+ return;
+
+ window = wl_surface_get_user_data(surface);
+
+ event->seat = input;
+ event->window = window;
+}
+
+static void pointer_handle_motion(void* data, struct wl_pointer* pointer, uint32_t time,
+ wl_fixed_t sx_w, wl_fixed_t sy_w)
+{
+ UwacPointerMotionEvent* motion_event = NULL;
+ UwacSeat* input = data;
+ assert(input);
+
+ UwacWindow* window = input->pointer_focus;
+
+ int scale = window->display->actual_scale;
+ int sx_i = wl_fixed_to_int(sx_w) * scale;
+ int sy_i = wl_fixed_to_int(sy_w) * scale;
+ double sx_d = wl_fixed_to_double(sx_w) * scale;
+ double sy_d = wl_fixed_to_double(sy_w) * scale;
+
+ if (!window || (sx_i < 0) || (sy_i < 0))
+ return;
+
+ input->sx = sx_d;
+ input->sy = sy_d;
+
+ motion_event =
+ (UwacPointerMotionEvent*)UwacDisplayNewEvent(input->display, UWAC_EVENT_POINTER_MOTION);
+ if (!motion_event)
+ return;
+
+ motion_event->seat = input;
+ motion_event->window = window;
+ motion_event->x = sx_i;
+ motion_event->y = sy_i;
+}
+
+static void pointer_handle_button(void* data, struct wl_pointer* pointer, uint32_t serial,
+ uint32_t time, uint32_t button, uint32_t state_w)
+{
+ UwacPointerButtonEvent* event = NULL;
+ UwacSeat* seat = data;
+ assert(seat);
+
+ UwacWindow* window = seat->pointer_focus;
+
+ seat->display->serial = serial;
+
+ event = (UwacPointerButtonEvent*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_POINTER_BUTTONS);
+ if (!event)
+ return;
+
+ event->seat = seat;
+ event->window = window;
+ event->x = seat->sx;
+ event->y = seat->sy;
+ event->button = button;
+ event->state = (enum wl_pointer_button_state)state_w;
+}
+
+static void pointer_handle_axis(void* data, struct wl_pointer* pointer, uint32_t time,
+ uint32_t axis, wl_fixed_t value)
+{
+ UwacPointerAxisEvent* event = NULL;
+ UwacSeat* seat = data;
+ assert(seat);
+
+ UwacWindow* window = seat->pointer_focus;
+
+ if (!window)
+ return;
+
+ event = (UwacPointerAxisEvent*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_POINTER_AXIS);
+ if (!event)
+ return;
+
+ event->seat = seat;
+ event->window = window;
+ event->x = seat->sx;
+ event->y = seat->sy;
+ event->axis = axis;
+ event->value = value;
+}
+
+static void pointer_frame(void* data, struct wl_pointer* wl_pointer)
+{
+ UwacPointerFrameEvent* event = NULL;
+ UwacSeat* seat = data;
+ assert(seat);
+
+ UwacWindow* window = seat->pointer_focus;
+
+ if (!window)
+ return;
+
+ event = (UwacPointerFrameEvent*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_POINTER_FRAME);
+ if (!event)
+ return;
+
+ event->seat = seat;
+ event->window = window;
+}
+
+static void pointer_axis_source(void* data, struct wl_pointer* wl_pointer, uint32_t axis_source)
+{
+ UwacPointerSourceEvent* event = NULL;
+ UwacSeat* seat = data;
+ assert(seat);
+
+ UwacWindow* window = seat->pointer_focus;
+
+ if (!window)
+ return;
+
+ event = (UwacPointerSourceEvent*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_POINTER_SOURCE);
+ if (!event)
+ return;
+
+ event->seat = seat;
+ event->window = window;
+ event->axis_source = axis_source;
+}
+
+static void pointer_axis_stop(void* data, struct wl_pointer* wl_pointer, uint32_t time,
+ uint32_t axis)
+{
+ UwacSeat* seat = data;
+ assert(seat);
+}
+
+static void pointer_axis_discrete(void* data, struct wl_pointer* wl_pointer, uint32_t axis,
+ int32_t discrete)
+{
+ /*UwacSeat *seat = data;*/
+ UwacPointerAxisEvent* event = NULL;
+ UwacSeat* seat = data;
+ assert(seat);
+
+ UwacWindow* window = seat->pointer_focus;
+
+ if (!window)
+ return;
+
+ event =
+ (UwacPointerAxisEvent*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_POINTER_AXIS_DISCRETE);
+ if (!event)
+ return;
+
+ event->seat = seat;
+ event->window = window;
+ event->x = seat->sx;
+ event->y = seat->sy;
+ event->axis = axis;
+ event->value = discrete;
+}
+
+static void pointer_axis_value120(void* data, struct wl_pointer* wl_pointer, uint32_t axis,
+ int32_t value120)
+{
+ /*UwacSeat *seat = data;*/
+ UwacPointerAxisEvent* event = NULL;
+ UwacSeat* seat = data;
+ assert(seat);
+
+ UwacWindow* window = seat->pointer_focus;
+
+ if (!window)
+ return;
+
+ event =
+ (UwacPointerAxisEvent*)UwacDisplayNewEvent(seat->display, UWAC_EVENT_POINTER_AXIS_DISCRETE);
+ if (!event)
+ return;
+
+ event->seat = seat;
+ event->window = window;
+ event->x = seat->sx;
+ event->y = seat->sy;
+ event->axis = axis;
+ event->value = value120 / 120;
+}
+
+static const struct wl_pointer_listener pointer_listener = {
+ pointer_handle_enter, pointer_handle_leave, pointer_handle_motion, pointer_handle_button,
+ pointer_handle_axis, pointer_frame, pointer_axis_source, pointer_axis_stop,
+ pointer_axis_discrete, pointer_axis_value120
+};
+
+static void seat_handle_capabilities(void* data, struct wl_seat* seat, enum wl_seat_capability caps)
+{
+ UwacSeat* input = data;
+ assert(input);
+
+ if ((caps & WL_SEAT_CAPABILITY_POINTER) && !input->pointer)
+ {
+ input->pointer = wl_seat_get_pointer(seat);
+ wl_pointer_set_user_data(input->pointer, input);
+ wl_pointer_add_listener(input->pointer, &pointer_listener, input);
+
+ input->cursor_theme = wl_cursor_theme_load(NULL, 32, input->display->shm);
+ if (!input->cursor_theme)
+ {
+ assert(uwacErrorHandler(input->display, UWAC_ERROR_NOMEMORY,
+ "unable to get wayland cursor theme\n"));
+ return;
+ }
+
+ input->default_cursor = wl_cursor_theme_get_cursor(input->cursor_theme, "left_ptr");
+ if (!input->default_cursor)
+ {
+ assert(uwacErrorHandler(input->display, UWAC_ERROR_NOMEMORY,
+ "unable to get wayland cursor left_ptr\n"));
+ return;
+ }
+ }
+ else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && input->pointer)
+ {
+#ifdef WL_POINTER_RELEASE_SINCE_VERSION
+ if (input->seat_version >= WL_POINTER_RELEASE_SINCE_VERSION)
+ wl_pointer_release(input->pointer);
+ else
+#endif
+ wl_pointer_destroy(input->pointer);
+ if (input->cursor_theme)
+ wl_cursor_theme_destroy(input->cursor_theme);
+
+ input->default_cursor = NULL;
+ input->cursor_theme = NULL;
+ input->pointer = NULL;
+ }
+
+ if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !input->keyboard)
+ {
+ input->keyboard = wl_seat_get_keyboard(seat);
+ wl_keyboard_set_user_data(input->keyboard, input);
+ wl_keyboard_add_listener(input->keyboard, &keyboard_listener, input);
+ }
+ else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && input->keyboard)
+ {
+#ifdef WL_KEYBOARD_RELEASE_SINCE_VERSION
+ if (input->seat_version >= WL_KEYBOARD_RELEASE_SINCE_VERSION)
+ wl_keyboard_release(input->keyboard);
+ else
+#endif
+ wl_keyboard_destroy(input->keyboard);
+ input->keyboard = NULL;
+ }
+
+ if ((caps & WL_SEAT_CAPABILITY_TOUCH) && !input->touch)
+ {
+ input->touch = wl_seat_get_touch(seat);
+ wl_touch_set_user_data(input->touch, input);
+ wl_touch_add_listener(input->touch, &touch_listener, input);
+ }
+ else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && input->touch)
+ {
+#ifdef WL_TOUCH_RELEASE_SINCE_VERSION
+ if (input->seat_version >= WL_TOUCH_RELEASE_SINCE_VERSION)
+ wl_touch_release(input->touch);
+ else
+#endif
+ wl_touch_destroy(input->touch);
+ input->touch = NULL;
+ }
+}
+
+static void seat_handle_name(void* data, struct wl_seat* seat, const char* name)
+{
+ UwacSeat* input = data;
+ assert(input);
+
+ if (input->name)
+ free(input->name);
+
+ input->name = strdup(name);
+ if (!input->name)
+ assert(uwacErrorHandler(input->display, UWAC_ERROR_NOMEMORY,
+ "unable to strdup seat's name\n"));
+}
+
+static const struct wl_seat_listener seat_listener = { seat_handle_capabilities, seat_handle_name };
+
+UwacSeat* UwacSeatNew(UwacDisplay* d, uint32_t id, uint32_t version)
+{
+ UwacSeat* ret = xzalloc(sizeof(UwacSeat));
+ if (!ret)
+ return NULL;
+
+ ret->display = d;
+ ret->seat_id = id;
+ ret->seat_version = version;
+
+ wl_array_init(&ret->pressed_keys);
+ ret->xkb_context = xkb_context_new(0);
+ if (!ret->xkb_context)
+ {
+ fprintf(stderr, "%s: unable to allocate a xkb_context\n", __func__);
+ goto fail;
+ }
+
+ ret->seat = wl_registry_bind(d->registry, id, &wl_seat_interface, version);
+ wl_seat_add_listener(ret->seat, &seat_listener, ret);
+ wl_seat_set_user_data(ret->seat, ret);
+
+ ret->repeat_timer_fd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC | TFD_NONBLOCK);
+ if (ret->repeat_timer_fd < 0)
+ {
+ fprintf(stderr, "%s: error creating repeat timer\n", __func__);
+ goto fail;
+ }
+ ret->repeat_task.run = keyboard_repeat_func;
+ if (UwacDisplayWatchFd(d, ret->repeat_timer_fd, EPOLLIN, &ret->repeat_task) < 0)
+ {
+ fprintf(stderr, "%s: error polling repeat timer\n", __func__);
+ goto fail;
+ }
+
+ wl_list_insert(d->seats.prev, &ret->link);
+ return ret;
+
+fail:
+ UwacSeatDestroy(ret);
+ return NULL;
+}
+
+void UwacSeatDestroy(UwacSeat* s)
+{
+ if (!s)
+ return;
+
+ UwacSeatInhibitShortcuts(s, false);
+ if (s->seat)
+ {
+#ifdef WL_SEAT_RELEASE_SINCE_VERSION
+ if (s->seat_version >= WL_SEAT_RELEASE_SINCE_VERSION)
+ wl_seat_release(s->seat);
+ else
+#endif
+ wl_seat_destroy(s->seat);
+ }
+ s->seat = NULL;
+
+ free(s->name);
+ wl_array_release(&s->pressed_keys);
+
+ xkb_state_unref(s->xkb.state);
+ xkb_context_unref(s->xkb_context);
+
+ if (s->pointer)
+ {
+#ifdef WL_POINTER_RELEASE_SINCE_VERSION
+ if (s->seat_version >= WL_POINTER_RELEASE_SINCE_VERSION)
+ wl_pointer_release(s->pointer);
+ else
+#endif
+ wl_pointer_destroy(s->pointer);
+ }
+
+ if (s->touch)
+ {
+#ifdef WL_TOUCH_RELEASE_SINCE_VERSION
+ if (s->seat_version >= WL_TOUCH_RELEASE_SINCE_VERSION)
+ wl_touch_release(s->touch);
+ else
+#endif
+ wl_touch_destroy(s->touch);
+ }
+
+ if (s->keyboard)
+ {
+#ifdef WL_KEYBOARD_RELEASE_SINCE_VERSION
+ if (s->seat_version >= WL_KEYBOARD_RELEASE_SINCE_VERSION)
+ wl_keyboard_release(s->keyboard);
+ else
+#endif
+ wl_keyboard_destroy(s->keyboard);
+ }
+
+ if (s->data_device)
+ wl_data_device_destroy(s->data_device);
+
+ if (s->data_source)
+ wl_data_source_destroy(s->data_source);
+
+ if (s->pointer_surface)
+ wl_surface_destroy(s->pointer_surface);
+
+ free(s->pointer_image);
+ free(s->pointer_data);
+
+ wl_list_remove(&s->link);
+ free(s);
+}
+
+const char* UwacSeatGetName(const UwacSeat* seat)
+{
+ assert(seat);
+ return seat->name;
+}
+
+UwacSeatId UwacSeatGetId(const UwacSeat* seat)
+{
+ assert(seat);
+ return seat->seat_id;
+}
+
+UwacReturnCode UwacSeatInhibitShortcuts(UwacSeat* s, bool inhibit)
+{
+ if (!s)
+ return UWAC_ERROR_CLOSED;
+
+ if (s->keyboard_inhibitor)
+ {
+ zwp_keyboard_shortcuts_inhibitor_v1_destroy(s->keyboard_inhibitor);
+ s->keyboard_inhibitor = NULL;
+ }
+ if (inhibit && s->display && s->display->keyboard_inhibit_manager)
+ s->keyboard_inhibitor = zwp_keyboard_shortcuts_inhibit_manager_v1_inhibit_shortcuts(
+ s->display->keyboard_inhibit_manager, s->keyboard_focus->surface, s->seat);
+
+ if (inhibit && !s->keyboard_inhibitor)
+ return UWAC_ERROR_INTERNAL;
+ return UWAC_SUCCESS;
+}
+
+UwacReturnCode UwacSeatSetMouseCursor(UwacSeat* seat, const void* data, size_t length, size_t width,
+ size_t height, size_t hot_x, size_t hot_y)
+{
+ if (!seat)
+ return UWAC_ERROR_CLOSED;
+
+ free(seat->pointer_image);
+ seat->pointer_image = NULL;
+
+ free(seat->pointer_data);
+ seat->pointer_data = NULL;
+ seat->pointer_size = 0;
+
+ /* There is a cursor provided */
+ if ((data != NULL) && (length != 0))
+ {
+ seat->pointer_image = xzalloc(sizeof(struct wl_cursor_image));
+ if (!seat->pointer_image)
+ return UWAC_ERROR_NOMEMORY;
+ seat->pointer_image->width = width;
+ seat->pointer_image->height = height;
+ seat->pointer_image->hotspot_x = hot_x;
+ seat->pointer_image->hotspot_y = hot_y;
+
+ free(seat->pointer_data);
+ seat->pointer_data = xmalloc(length);
+ memcpy(seat->pointer_data, data, length);
+ seat->pointer_size = length;
+
+ seat->pointer_type = 2;
+ }
+ /* We want to use the system cursor */
+ else if (length != 0)
+ {
+ seat->pointer_type = 0;
+ }
+ /* Hide the cursor */
+ else
+ {
+ seat->pointer_type = 1;
+ }
+ if (seat && !seat->default_cursor)
+ return UWAC_SUCCESS;
+ return set_cursor_image(seat, seat->display->pointer_focus_serial);
+}