| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include "channels/disp.h" |
| #include "channels/rdpei.h" |
| #include "input.h" |
| #include "guacamole/display.h" |
| #include "keyboard.h" |
| #include "rdp.h" |
| #include "settings.h" |
| |
| #include <freerdp/freerdp.h> |
| #include <freerdp/input.h> |
| #include <guacamole/assert.h> |
| #include <guacamole/client.h> |
| #include <guacamole/display.h> |
| #include <guacamole/recording.h> |
| #include <guacamole/rwlock.h> |
| #include <guacamole/user.h> |
| |
| #include <stdlib.h> |
| |
| /** |
| * Processes a single mouse event, updating client state and sending any |
| * associated RDP PDUs via the provided RDP client instance. |
| * |
| * @param rdp_client |
| * The RDP client instance that should be updated and used to send any PDUs |
| * associated with the event. |
| * |
| * @param event |
| * The mouse event to process. |
| */ |
| static void guac_rdp_handle_mouse_event(guac_rdp_client* rdp_client, |
| const guac_rdp_input_event* event) { |
| |
| /* This function exclusively processes mouse events, and it's on the caller |
| * to ensure only mouse events are provided */ |
| GUAC_ASSERT(event->type == GUAC_RDP_INPUT_EVENT_MOUSE); |
| |
| guac_user* user = event->user; |
| int x = event->details.mouse.x; |
| int y = event->details.mouse.y; |
| int mask = event->details.mouse.mask; |
| |
| guac_rwlock_acquire_read_lock(&(rdp_client->lock)); |
| |
| /* Skip if not yet connected */ |
| freerdp* rdp_inst = rdp_client->rdp_inst; |
| if (rdp_inst == NULL) |
| goto complete; |
| |
| /* Store current mouse location/state */ |
| guac_display_render_thread_notify_user_moved_mouse(rdp_client->render_thread, user, x, y, mask); |
| |
| /* Report mouse position within recording */ |
| if (rdp_client->recording != NULL) |
| guac_recording_report_mouse(rdp_client->recording, x, y, mask); |
| |
| /* If button mask unchanged, just send move event */ |
| if (mask == rdp_client->mouse_button_mask) { |
| pthread_mutex_lock(&(rdp_client->message_lock)); |
| GUAC_RDP_CONTEXT(rdp_inst)->input->MouseEvent( |
| GUAC_RDP_CONTEXT(rdp_inst)->input, PTR_FLAGS_MOVE, x, y); |
| pthread_mutex_unlock(&(rdp_client->message_lock)); |
| } |
| |
| /* Otherwise, send events describing button change */ |
| else { |
| |
| /* Mouse buttons which have JUST become released */ |
| int released_mask = rdp_client->mouse_button_mask & ~mask; |
| |
| /* Mouse buttons which have JUST become pressed */ |
| int pressed_mask = ~rdp_client->mouse_button_mask & mask; |
| |
| /* Release event */ |
| if (released_mask & 0x07) { |
| |
| /* Calculate flags */ |
| int flags = 0; |
| if (released_mask & 0x01) flags |= PTR_FLAGS_BUTTON1; |
| if (released_mask & 0x02) flags |= PTR_FLAGS_BUTTON3; |
| if (released_mask & 0x04) flags |= PTR_FLAGS_BUTTON2; |
| |
| pthread_mutex_lock(&(rdp_client->message_lock)); |
| GUAC_RDP_CONTEXT(rdp_inst)->input->MouseEvent( |
| GUAC_RDP_CONTEXT(rdp_inst)->input, flags, x, y); |
| pthread_mutex_unlock(&(rdp_client->message_lock)); |
| |
| } |
| |
| /* Press event */ |
| if (pressed_mask & 0x07) { |
| |
| /* Calculate flags */ |
| int flags = PTR_FLAGS_DOWN; |
| if (pressed_mask & 0x01) flags |= PTR_FLAGS_BUTTON1; |
| if (pressed_mask & 0x02) flags |= PTR_FLAGS_BUTTON3; |
| if (pressed_mask & 0x04) flags |= PTR_FLAGS_BUTTON2; |
| if (pressed_mask & 0x08) flags |= PTR_FLAGS_WHEEL | 0x78; |
| if (pressed_mask & 0x10) flags |= PTR_FLAGS_WHEEL | PTR_FLAGS_WHEEL_NEGATIVE | 0x88; |
| |
| /* Send event */ |
| pthread_mutex_lock(&(rdp_client->message_lock)); |
| GUAC_RDP_CONTEXT(rdp_inst)->input->MouseEvent( |
| GUAC_RDP_CONTEXT(rdp_inst)->input, flags, x, y); |
| pthread_mutex_unlock(&(rdp_client->message_lock)); |
| |
| } |
| |
| /* Scroll event */ |
| if (pressed_mask & 0x18) { |
| |
| /* Down */ |
| if (pressed_mask & 0x08) { |
| pthread_mutex_lock(&(rdp_client->message_lock)); |
| GUAC_RDP_CONTEXT(rdp_inst)->input->MouseEvent( |
| GUAC_RDP_CONTEXT(rdp_inst)->input, PTR_FLAGS_WHEEL | 0x78, x, y); |
| pthread_mutex_unlock(&(rdp_client->message_lock)); |
| } |
| |
| /* Up */ |
| if (pressed_mask & 0x10) { |
| pthread_mutex_lock(&(rdp_client->message_lock)); |
| GUAC_RDP_CONTEXT(rdp_inst)->input->MouseEvent( |
| GUAC_RDP_CONTEXT(rdp_inst)->input, PTR_FLAGS_WHEEL | PTR_FLAGS_WHEEL_NEGATIVE | 0x88, x, y); |
| pthread_mutex_unlock(&(rdp_client->message_lock)); |
| } |
| |
| } |
| |
| rdp_client->mouse_button_mask = mask; |
| } |
| |
| complete: |
| guac_rwlock_release_lock(&(rdp_client->lock)); |
| |
| } |
| |
| /** |
| * Processes a single key event, updating client state and sending any |
| * associated RDP PDUs via the provided RDP client instance. |
| * |
| * @param rdp_client |
| * The RDP client instance that should be updated and used to send any PDUs |
| * associated with the event. |
| * |
| * @param event |
| * The key event to process. |
| */ |
| static void guac_rdp_handle_key_event(guac_rdp_client* rdp_client, |
| const guac_rdp_input_event* event) { |
| |
| /* This function exclusively processes key events, and it's on the caller |
| * to ensure only key events are provided */ |
| GUAC_ASSERT(event->type == GUAC_RDP_INPUT_EVENT_KEY); |
| |
| int keysym = event->details.key.keysym; |
| int pressed = event->details.key.pressed; |
| |
| guac_rwlock_acquire_read_lock(&(rdp_client->lock)); |
| |
| /* Report key state within recording */ |
| if (rdp_client->recording != NULL) |
| guac_recording_report_key(rdp_client->recording, |
| keysym, pressed); |
| |
| /* Skip if keyboard not yet ready */ |
| if (rdp_client->keyboard == NULL) |
| goto complete; |
| |
| /* Update keysym state */ |
| guac_rdp_keyboard_update_keysym(rdp_client->keyboard, |
| keysym, pressed, GUAC_RDP_KEY_SOURCE_CLIENT); |
| |
| complete: |
| guac_rwlock_release_lock(&(rdp_client->lock)); |
| |
| } |
| |
| /** |
| * Processes a single touch event, updating client state and sending any |
| * associated RDP PDUs via the provided RDP client instance. |
| * |
| * @param rdp_client |
| * The RDP client instance that should be updated and used to send any PDUs |
| * associated with the event. |
| * |
| * @param event |
| * The touch event to process. |
| */ |
| static void guac_rdp_handle_touch_event(guac_rdp_client* rdp_client, |
| const guac_rdp_input_event* event) { |
| |
| /* This function exclusively processes touch. events, and it's on the |
| * caller to ensure only touch. events are provided */ |
| GUAC_ASSERT(event->type == GUAC_RDP_INPUT_EVENT_TOUCH); |
| |
| int id = event->details.touch.id; |
| int x = event->details.touch.x; |
| int y = event->details.touch.y; |
| int x_radius = event->details.touch.x_radius; |
| int y_radius = event->details.touch.y_radius; |
| double angle = event->details.touch.angle; |
| double force = event->details.touch.force; |
| |
| guac_rwlock_acquire_read_lock(&(rdp_client->lock)); |
| |
| /* Skip if not yet connected */ |
| freerdp* rdp_inst = rdp_client->rdp_inst; |
| if (rdp_inst == NULL) |
| goto complete; |
| |
| /* Report touch event within recording */ |
| if (rdp_client->recording != NULL) |
| guac_recording_report_touch(rdp_client->recording, id, x, y, |
| x_radius, y_radius, angle, force); |
| |
| /* Forward touch event along RDPEI channel */ |
| guac_rdp_rdpei_touch_update(rdp_client->rdpei, id, x, y, force); |
| |
| complete: |
| guac_rwlock_release_lock(&(rdp_client->lock)); |
| |
| } |
| |
| void guac_rdp_input_event_enqueue(guac_rdp_client* rdp_client, |
| const guac_rdp_input_event* input_event) { |
| |
| guac_fifo_enqueue_and_lock(&rdp_client->input_events, input_event); |
| SetEvent(rdp_client->input_event_queued); |
| guac_fifo_unlock(&rdp_client->input_events); |
| |
| } |
| |
| void guac_rdp_handle_input_events(guac_rdp_client* rdp_client) { |
| |
| guac_fifo_lock(&rdp_client->input_events); |
| |
| guac_rdp_input_event input_event; |
| while (guac_fifo_timed_dequeue(&rdp_client->input_events, &input_event, 0)) { |
| switch (input_event.type) { |
| |
| /* Mouse event */ |
| case GUAC_RDP_INPUT_EVENT_MOUSE: |
| guac_rdp_handle_mouse_event(rdp_client, &input_event); |
| break; |
| |
| /* Keyboard event */ |
| case GUAC_RDP_INPUT_EVENT_KEY: |
| guac_rdp_handle_key_event(rdp_client, &input_event); |
| break; |
| |
| /* Touch event */ |
| case GUAC_RDP_INPUT_EVENT_TOUCH: |
| guac_rdp_handle_touch_event(rdp_client, &input_event); |
| break; |
| |
| } |
| } |
| |
| ResetEvent(rdp_client->input_event_queued); |
| guac_fifo_unlock(&rdp_client->input_events); |
| |
| } |
