GUACAMOLE-51: Merge change to seperate RDP keyboard handling.
This commit is contained in:
commit
f73822d348
@ -28,6 +28,7 @@ libguac_client_rdp_la_SOURCES = \
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client.c \
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client.c \
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dvc.c \
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dvc.c \
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input.c \
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input.c \
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keyboard.c \
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ptr_string.c \
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ptr_string.c \
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rdp.c \
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rdp.c \
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rdp_bitmap.c \
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rdp_bitmap.c \
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@ -94,6 +95,7 @@ noinst_HEADERS = \
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client.h \
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client.h \
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dvc.h \
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dvc.h \
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input.h \
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input.h \
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keyboard.h \
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ptr_string.h \
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ptr_string.h \
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rdp.h \
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rdp.h \
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rdp_bitmap.h \
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rdp_bitmap.h \
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@ -23,7 +23,6 @@
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#include "client.h"
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#include "client.h"
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#include "rdp.h"
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#include "rdp.h"
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#include "rdp_disp.h"
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#include "rdp_disp.h"
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#include "rdp_keymap.h"
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#include "user.h"
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#include "user.h"
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#ifdef ENABLE_COMMON_SSH
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#ifdef ENABLE_COMMON_SSH
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@ -76,10 +75,6 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
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/* Init RDP lock */
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/* Init RDP lock */
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pthread_mutex_init(&(rdp_client->rdp_lock), &(rdp_client->attributes));
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pthread_mutex_init(&(rdp_client->rdp_lock), &(rdp_client->attributes));
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/* Clear keysym state mapping and keymap */
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memset(rdp_client->keysym_state, 0, sizeof(guac_rdp_keysym_state_map));
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memset(rdp_client->keymap, 0, sizeof(guac_rdp_static_keymap));
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/* Set handlers */
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/* Set handlers */
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client->join_handler = guac_rdp_user_join_handler;
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client->join_handler = guac_rdp_user_join_handler;
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client->free_handler = guac_rdp_client_free_handler;
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client->free_handler = guac_rdp_client_free_handler;
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@ -21,9 +21,9 @@
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#include "client.h"
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#include "client.h"
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#include "input.h"
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#include "input.h"
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#include "keyboard.h"
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#include "rdp.h"
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#include "rdp.h"
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#include "rdp_disp.h"
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#include "rdp_disp.h"
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#include "rdp_keymap.h"
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#include <freerdp/freerdp.h>
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#include <freerdp/freerdp.h>
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#include <freerdp/input.h>
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#include <freerdp/input.h>
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@ -32,129 +32,6 @@
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#include <pthread.h>
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#include <pthread.h>
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#include <stdlib.h>
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#include <stdlib.h>
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int guac_rdp_send_keysym(guac_client* client, int keysym, int pressed) {
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guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
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/* If keysym can be in lookup table */
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if (GUAC_RDP_KEYSYM_STORABLE(keysym)) {
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int pressed_flags;
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/* Look up scancode mapping */
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const guac_rdp_keysym_desc* keysym_desc =
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&GUAC_RDP_KEYSYM_LOOKUP(rdp_client->keymap, keysym);
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/* If defined, send event */
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if (keysym_desc->scancode != 0) {
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pthread_mutex_lock(&(rdp_client->rdp_lock));
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/* If defined, send any prerequesite keys that must be set */
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if (keysym_desc->set_keysyms != NULL)
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guac_rdp_update_keysyms(client, keysym_desc->set_keysyms, 0, 1);
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/* If defined, release any keys that must be cleared */
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if (keysym_desc->clear_keysyms != NULL)
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guac_rdp_update_keysyms(client, keysym_desc->clear_keysyms, 1, 0);
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/* Determine proper event flag for pressed state */
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if (pressed)
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pressed_flags = KBD_FLAGS_DOWN;
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else
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pressed_flags = KBD_FLAGS_RELEASE;
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/* Skip if not yet connected */
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freerdp* rdp_inst = rdp_client->rdp_inst;
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if (rdp_inst == NULL) {
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pthread_mutex_unlock(&(rdp_client->rdp_lock));
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return 0;
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}
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/* Send actual key */
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rdp_inst->input->KeyboardEvent(rdp_inst->input, keysym_desc->flags | pressed_flags,
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keysym_desc->scancode);
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/* If defined, release any keys that were originally released */
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if (keysym_desc->set_keysyms != NULL)
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guac_rdp_update_keysyms(client, keysym_desc->set_keysyms, 0, 0);
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/* If defined, send any keys that were originally set */
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if (keysym_desc->clear_keysyms != NULL)
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guac_rdp_update_keysyms(client, keysym_desc->clear_keysyms, 1, 1);
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pthread_mutex_unlock(&(rdp_client->rdp_lock));
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return 0;
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}
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}
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/* Fall back to unicode events if undefined inside current keymap */
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/* Only send when key pressed - Unicode events do not have
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* DOWN/RELEASE flags */
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if (pressed) {
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guac_client_log(client, GUAC_LOG_DEBUG,
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"Sending keysym 0x%x as Unicode", keysym);
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/* Translate keysym into codepoint */
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int codepoint;
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if (keysym <= 0xFF)
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codepoint = keysym;
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else if (keysym >= 0x1000000)
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codepoint = keysym & 0xFFFFFF;
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else {
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guac_client_log(client, GUAC_LOG_DEBUG,
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"Unmapped keysym has no equivalent unicode "
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"value: 0x%x", keysym);
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return 0;
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}
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pthread_mutex_lock(&(rdp_client->rdp_lock));
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/* Skip if not yet connected */
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freerdp* rdp_inst = rdp_client->rdp_inst;
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if (rdp_inst == NULL) {
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pthread_mutex_unlock(&(rdp_client->rdp_lock));
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return 0;
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}
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/* Send Unicode event */
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rdp_inst->input->UnicodeKeyboardEvent(
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rdp_inst->input,
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0, codepoint);
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pthread_mutex_unlock(&(rdp_client->rdp_lock));
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}
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return 0;
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}
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void guac_rdp_update_keysyms(guac_client* client, const int* keysym_string, int from, int to) {
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guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
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int keysym;
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/* Send all keysyms in string, NULL terminated */
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while ((keysym = *keysym_string) != 0) {
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/* Get current keysym state */
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int current_state = GUAC_RDP_KEYSYM_LOOKUP(rdp_client->keysym_state, keysym);
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/* If key is currently in given state, send event for changing it to specified "to" state */
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if (current_state == from)
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guac_rdp_send_keysym(client, *keysym_string, to);
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/* Next keysym */
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keysym_string++;
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}
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}
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int guac_rdp_user_mouse_handler(guac_user* user, int x, int y, int mask) {
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int guac_rdp_user_mouse_handler(guac_user* user, int x, int y, int mask) {
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guac_client* client = user->client;
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guac_client* client = user->client;
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@ -246,11 +123,13 @@ int guac_rdp_user_key_handler(guac_user* user, int keysym, int pressed) {
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guac_client* client = user->client;
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guac_client* client = user->client;
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guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
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guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
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/* Update keysym state */
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/* Skip if keyboard not yet ready */
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if (GUAC_RDP_KEYSYM_STORABLE(keysym))
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if (rdp_client->keyboard == NULL)
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GUAC_RDP_KEYSYM_LOOKUP(rdp_client->keysym_state, keysym) = pressed;
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return 0;
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return guac_rdp_send_keysym(client, keysym, pressed);
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/* Update keysym state */
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return guac_rdp_keyboard_update_keysym(rdp_client->keyboard,
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keysym, pressed);
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}
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}
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@ -20,51 +20,8 @@
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#ifndef GUAC_RDP_INPUT_H
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#ifndef GUAC_RDP_INPUT_H
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#define GUAC_RDP_INPUT_H
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#define GUAC_RDP_INPUT_H
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#include <guacamole/client.h>
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#include <guacamole/user.h>
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#include <guacamole/user.h>
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/**
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* Presses or releases the given keysym, sending an appropriate set of key
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* events to the RDP server. The key events sent will depend on the current
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* keymap.
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*
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* @param client
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* The guac_client associated with the current RDP session.
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*
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* @param keysym
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* The keysym being pressed or released.
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*
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* @param pressed
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* Zero if the keysym is being released, non-zero otherwise.
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*
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* @return
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* Zero if the keys were successfully sent, non-zero otherwise.
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*/
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int guac_rdp_send_keysym(guac_client* client, int keysym, int pressed);
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/**
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* For every keysym in the given NULL-terminated array of keysyms, update
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* the current state of that key conditionally. For each key in the "from"
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* state (0 being released and 1 being pressed), that key will be updated
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* to the "to" state.
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*
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* @param client
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* The guac_client associated with the current RDP session.
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*
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* @param keysym_string
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* A NULL-terminated array of keysyms, each of which will be updated.
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*
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* @param from
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* 0 if the state of currently-released keys should be updated, or 1 if
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* the state of currently-pressed keys should be updated.
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*
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* @param to
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* 0 if the keys being updated should be marked as released, or 1 if
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* the keys being updated should be marked as pressed.
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*/
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void guac_rdp_update_keysyms(guac_client* client, const int* keysym_string,
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int from, int to);
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/**
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/**
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* Handler for Guacamole user mouse events.
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* Handler for Guacamole user mouse events.
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*/
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*/
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283
src/protocols/rdp/keyboard.c
Normal file
283
src/protocols/rdp/keyboard.c
Normal file
@ -0,0 +1,283 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "config.h"
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#include "client.h"
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#include "keyboard.h"
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#include "rdp.h"
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#include "rdp_keymap.h"
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#include <freerdp/freerdp.h>
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#include <freerdp/input.h>
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#include <guacamole/client.h>
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#include <pthread.h>
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#include <stdlib.h>
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/**
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* Immediately sends an RDP key event having the given scancode and flags.
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*
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* @param rdp_client
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* The RDP client instance associated with the RDP session along which the
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* key event should be sent.
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*
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* @param scancode
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* The scancode of the key to press or release via the RDP key event.
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*
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* @param flags
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* Any RDP-specific flags required for the provided scancode to have the
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* intended meaning, such as KBD_FLAGS_EXTENDED. The possible flags and
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* their meanings are dictated by RDP. KBD_FLAGS_DOWN and KBD_FLAGS_UP
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* need not be specified here - they will automatically be added depending
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* on the value specified for the pressed parameter.
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*
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* @param pressed
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* Non-zero if the key is being pressed, zero if the key is being released.
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*/
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static void guac_rdp_send_key_event(guac_rdp_client* rdp_client,
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int scancode, int flags, int pressed) {
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/* Determine proper event flag for pressed state */
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int pressed_flags;
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if (pressed)
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pressed_flags = KBD_FLAGS_DOWN;
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else
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pressed_flags = KBD_FLAGS_RELEASE;
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pthread_mutex_lock(&(rdp_client->rdp_lock));
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/* Skip if not yet connected */
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freerdp* rdp_inst = rdp_client->rdp_inst;
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if (rdp_inst == NULL) {
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pthread_mutex_unlock(&(rdp_client->rdp_lock));
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return;
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}
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/* Send actual key */
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rdp_inst->input->KeyboardEvent(rdp_inst->input,
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flags | pressed_flags, scancode);
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pthread_mutex_unlock(&(rdp_client->rdp_lock));
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}
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/**
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* Immediately sends an RDP Unicode event having the given Unicode codepoint.
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* Unlike key events, RDP Unicode events do have not a pressed or released
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* state. They represent strictly the input of a single character, and are
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* technically independent of the keyboard.
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*
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* @param rdp_client
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* The RDP client instance associated with the RDP session along which the
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* Unicode event should be sent.
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*
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* @param codepoint
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* The Unicode codepoint of the character being input via the Unicode
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* event.
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*/
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static void guac_rdp_send_unicode_event(guac_rdp_client* rdp_client,
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int codepoint) {
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pthread_mutex_lock(&(rdp_client->rdp_lock));
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/* Skip if not yet connected */
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freerdp* rdp_inst = rdp_client->rdp_inst;
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if (rdp_inst == NULL) {
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pthread_mutex_unlock(&(rdp_client->rdp_lock));
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return;
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}
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/* Send Unicode event */
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rdp_inst->input->UnicodeKeyboardEvent(
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rdp_inst->input,
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0, codepoint);
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pthread_mutex_unlock(&(rdp_client->rdp_lock));
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}
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/**
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||||||
|
* Loads all keysym/scancode mappings declared within the given keymap and its
|
||||||
|
* parent keymap, if any. These mappings are stored within the given
|
||||||
|
* guac_rdp_keyboard structure for future use in translating keysyms to the
|
||||||
|
* scancodes required by RDP key events.
|
||||||
|
*
|
||||||
|
* @param keyboard
|
||||||
|
* The guac_rdp_keyboard which should be initialized with the
|
||||||
|
* keysym/scancode mapping defined in the given keymap.
|
||||||
|
*
|
||||||
|
* @param keymap
|
||||||
|
* The keymap to use to populate the given client's keysym/scancode
|
||||||
|
* mapping.
|
||||||
|
*/
|
||||||
|
static void __guac_rdp_keyboard_load_keymap(guac_rdp_keyboard* keyboard,
|
||||||
|
const guac_rdp_keymap* keymap) {
|
||||||
|
|
||||||
|
/* Get mapping */
|
||||||
|
const guac_rdp_keysym_desc* mapping = keymap->mapping;
|
||||||
|
|
||||||
|
/* If parent exists, load parent first */
|
||||||
|
if (keymap->parent != NULL)
|
||||||
|
__guac_rdp_keyboard_load_keymap(keyboard, keymap->parent);
|
||||||
|
|
||||||
|
/* Log load */
|
||||||
|
guac_client_log(keyboard->client, GUAC_LOG_INFO,
|
||||||
|
"Loading keymap \"%s\"", keymap->name);
|
||||||
|
|
||||||
|
/* Load mapping into keymap */
|
||||||
|
while (mapping->keysym != 0) {
|
||||||
|
|
||||||
|
/* Copy mapping */
|
||||||
|
GUAC_RDP_KEYSYM_LOOKUP(keyboard->keymap, mapping->keysym) = *mapping;
|
||||||
|
|
||||||
|
/* Next keysym */
|
||||||
|
mapping++;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
guac_rdp_keyboard* guac_rdp_keyboard_alloc(guac_client* client,
|
||||||
|
const guac_rdp_keymap* keymap) {
|
||||||
|
|
||||||
|
guac_rdp_keyboard* keyboard = calloc(1, sizeof(guac_rdp_keyboard));
|
||||||
|
keyboard->client = client;
|
||||||
|
|
||||||
|
/* Load keymap into keyboard */
|
||||||
|
__guac_rdp_keyboard_load_keymap(keyboard, keymap);
|
||||||
|
|
||||||
|
return keyboard;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
void guac_rdp_keyboard_free(guac_rdp_keyboard* keyboard) {
|
||||||
|
free(keyboard);
|
||||||
|
}
|
||||||
|
|
||||||
|
int guac_rdp_keyboard_send_event(guac_rdp_keyboard* keyboard,
|
||||||
|
int keysym, int pressed) {
|
||||||
|
|
||||||
|
guac_client* client = keyboard->client;
|
||||||
|
guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
|
||||||
|
|
||||||
|
/* If keysym can be in lookup table */
|
||||||
|
if (GUAC_RDP_KEYSYM_STORABLE(keysym)) {
|
||||||
|
|
||||||
|
/* Look up scancode mapping */
|
||||||
|
const guac_rdp_keysym_desc* keysym_desc =
|
||||||
|
&GUAC_RDP_KEYSYM_LOOKUP(keyboard->keymap, keysym);
|
||||||
|
|
||||||
|
/* If defined, send event */
|
||||||
|
if (keysym_desc->scancode != 0) {
|
||||||
|
|
||||||
|
/* If defined, send any prerequesite keys that must be set */
|
||||||
|
if (keysym_desc->set_keysyms != NULL)
|
||||||
|
guac_rdp_keyboard_send_events(keyboard,
|
||||||
|
keysym_desc->set_keysyms, 0, 1);
|
||||||
|
|
||||||
|
/* If defined, release any keys that must be cleared */
|
||||||
|
if (keysym_desc->clear_keysyms != NULL)
|
||||||
|
guac_rdp_keyboard_send_events(keyboard,
|
||||||
|
keysym_desc->clear_keysyms, 1, 0);
|
||||||
|
|
||||||
|
/* Fire actual key event for target key */
|
||||||
|
guac_rdp_send_key_event(rdp_client, keysym_desc->scancode,
|
||||||
|
keysym_desc->flags, pressed);
|
||||||
|
|
||||||
|
/* If defined, release any keys that were originally released */
|
||||||
|
if (keysym_desc->set_keysyms != NULL)
|
||||||
|
guac_rdp_keyboard_send_events(keyboard,
|
||||||
|
keysym_desc->set_keysyms, 0, 0);
|
||||||
|
|
||||||
|
/* If defined, send any keys that were originally set */
|
||||||
|
if (keysym_desc->clear_keysyms != NULL)
|
||||||
|
guac_rdp_keyboard_send_events(keyboard,
|
||||||
|
keysym_desc->clear_keysyms, 1, 1);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Fall back to unicode events if undefined inside current keymap */
|
||||||
|
|
||||||
|
/* Only send when key pressed - Unicode events do not have
|
||||||
|
* DOWN/RELEASE flags */
|
||||||
|
if (pressed) {
|
||||||
|
|
||||||
|
guac_client_log(client, GUAC_LOG_DEBUG,
|
||||||
|
"Sending keysym 0x%x as Unicode", keysym);
|
||||||
|
|
||||||
|
/* Translate keysym into codepoint */
|
||||||
|
int codepoint;
|
||||||
|
if (keysym <= 0xFF)
|
||||||
|
codepoint = keysym;
|
||||||
|
else if (keysym >= 0x1000000)
|
||||||
|
codepoint = keysym & 0xFFFFFF;
|
||||||
|
else {
|
||||||
|
guac_client_log(client, GUAC_LOG_DEBUG,
|
||||||
|
"Unmapped keysym has no equivalent unicode "
|
||||||
|
"value: 0x%x", keysym);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Send as Unicode event */
|
||||||
|
guac_rdp_send_unicode_event(rdp_client, codepoint);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void guac_rdp_keyboard_send_events(guac_rdp_keyboard* keyboard,
|
||||||
|
const int* keysym_string, int from, int to) {
|
||||||
|
|
||||||
|
int keysym;
|
||||||
|
|
||||||
|
/* Send all keysyms in string, NULL terminated */
|
||||||
|
while ((keysym = *keysym_string) != 0) {
|
||||||
|
|
||||||
|
/* Get current keysym state */
|
||||||
|
int current_state =
|
||||||
|
GUAC_RDP_KEYSYM_LOOKUP(keyboard->keysym_state, keysym);
|
||||||
|
|
||||||
|
/* If key is currently in given state, send event for changing it to
|
||||||
|
* specified "to" state */
|
||||||
|
if (current_state == from)
|
||||||
|
guac_rdp_keyboard_send_event(keyboard, *keysym_string, to);
|
||||||
|
|
||||||
|
/* Next keysym */
|
||||||
|
keysym_string++;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
int guac_rdp_keyboard_update_keysym(guac_rdp_keyboard* keyboard,
|
||||||
|
int keysym, int pressed) {
|
||||||
|
|
||||||
|
/* Update keysym state */
|
||||||
|
if (GUAC_RDP_KEYSYM_STORABLE(keysym))
|
||||||
|
GUAC_RDP_KEYSYM_LOOKUP(keyboard->keysym_state, keysym) = pressed;
|
||||||
|
|
||||||
|
return guac_rdp_keyboard_send_event(keyboard, keysym, pressed);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
151
src/protocols/rdp/keyboard.h
Normal file
151
src/protocols/rdp/keyboard.h
Normal file
@ -0,0 +1,151 @@
|
|||||||
|
/*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef GUAC_RDP_KEYBOARD_H
|
||||||
|
#define GUAC_RDP_KEYBOARD_H
|
||||||
|
|
||||||
|
#include "rdp_keymap.h"
|
||||||
|
|
||||||
|
#include <guacamole/client.h>
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The current keyboard state of an RDP session.
|
||||||
|
*/
|
||||||
|
typedef struct guac_rdp_keyboard {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The guac_client associated with the RDP session whose keyboard state is
|
||||||
|
* being managed by this guac_rdp_keyboard.
|
||||||
|
*/
|
||||||
|
guac_client* client;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The keymap to use when translating keysyms into scancodes or sequences
|
||||||
|
* of scancodes for RDP.
|
||||||
|
*/
|
||||||
|
guac_rdp_static_keymap keymap;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The local state of all keys, based on whether Guacamole key events for
|
||||||
|
* pressing/releasing particular keysyms have been received. This is used
|
||||||
|
* together with the associated keymap to determine the sequence of RDP key
|
||||||
|
* events sent to duplicate the effect of a particular keysym.
|
||||||
|
*/
|
||||||
|
guac_rdp_keysym_state_map keysym_state;
|
||||||
|
|
||||||
|
} guac_rdp_keyboard;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Allocates a new guac_rdp_keyboard which manages the keyboard state of the
|
||||||
|
* RDP session associated with the given guac_client. Keyboard events will be
|
||||||
|
* dynamically translated from keysym to RDP scancode according to the provided
|
||||||
|
* keymap. The returned guac_rdp_keyboard must eventually be freed with
|
||||||
|
* guac_rdp_keyboard_free().
|
||||||
|
*
|
||||||
|
* @param client
|
||||||
|
* The guac_client associated with the RDP session whose keyboard state is
|
||||||
|
* to be managed by the newly-allocated guac_rdp_keyboard.
|
||||||
|
*
|
||||||
|
* @param keymap
|
||||||
|
* The keymap which should be used to translate keyboard events.
|
||||||
|
*
|
||||||
|
* @return
|
||||||
|
* A newly-allocated guac_rdp_keyboard which manages the keyboard state
|
||||||
|
* for the RDP session associated given guac_client.
|
||||||
|
*/
|
||||||
|
guac_rdp_keyboard* guac_rdp_keyboard_alloc(guac_client* client,
|
||||||
|
const guac_rdp_keymap* keymap);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Frees all memory allocated for the given guac_rdp_keyboard. The
|
||||||
|
* guac_rdp_keyboard must have been previously allocated via
|
||||||
|
* guac_rdp_keyboard_alloc().
|
||||||
|
*
|
||||||
|
* @param keyboard
|
||||||
|
* The guac_rdp_keyboard instance which should be freed.
|
||||||
|
*/
|
||||||
|
void guac_rdp_keyboard_free(guac_rdp_keyboard* keyboard);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Sends one or more RDP key events, effectively pressing or releasing the
|
||||||
|
* given keysym on the remote side. The key events sent will depend on the
|
||||||
|
* current keymap. The locally-stored state of each key is remains untouched.
|
||||||
|
*
|
||||||
|
* @param keyboard
|
||||||
|
* The guac_rdp_keyboard associated with the current RDP session.
|
||||||
|
*
|
||||||
|
* @param keysym
|
||||||
|
* The keysym being pressed or released.
|
||||||
|
*
|
||||||
|
* @param pressed
|
||||||
|
* Zero if the keysym is being released, non-zero otherwise.
|
||||||
|
*
|
||||||
|
* @return
|
||||||
|
* Zero if the keys were successfully sent, non-zero otherwise.
|
||||||
|
*/
|
||||||
|
int guac_rdp_keyboard_send_event(guac_rdp_keyboard* keyboard,
|
||||||
|
int keysym, int pressed);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* For every keysym in the given NULL-terminated array of keysyms, send the RDP
|
||||||
|
* key events required to update the remote state of those keys as specified,
|
||||||
|
* depending on the current local state of those keysyms. For each key in the
|
||||||
|
* "from" state (0 being released and 1 being pressed), that key will be
|
||||||
|
* updated to the "to" state. The locally-stored state of each key is remains
|
||||||
|
* untouched.
|
||||||
|
*
|
||||||
|
* @param keyboard
|
||||||
|
* The guac_rdp_keyboard associated with the current RDP session.
|
||||||
|
*
|
||||||
|
* @param keysym_string
|
||||||
|
* A NULL-terminated array of keysyms, each of which will be updated.
|
||||||
|
*
|
||||||
|
* @param from
|
||||||
|
* 0 if the state of currently-released keys should be updated, or 1 if
|
||||||
|
* the state of currently-pressed keys should be updated.
|
||||||
|
*
|
||||||
|
* @param to
|
||||||
|
* 0 if the keys being updated should be marked as released, or 1 if
|
||||||
|
* the keys being updated should be marked as pressed.
|
||||||
|
*/
|
||||||
|
void guac_rdp_keyboard_send_events(guac_rdp_keyboard* keyboard,
|
||||||
|
const int* keysym_string, int from, int to);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Updates the local state of the given keysym, sending the key events required
|
||||||
|
* to replicate that state remotely (on the RDP server). The key events sent
|
||||||
|
* will depend on the current keymap.
|
||||||
|
*
|
||||||
|
* @param keyboard
|
||||||
|
* The guac_rdp_keyboard associated with the current RDP session.
|
||||||
|
*
|
||||||
|
* @param keysym
|
||||||
|
* The keysym being pressed or released.
|
||||||
|
*
|
||||||
|
* @param pressed
|
||||||
|
* Zero if the keysym is being released, non-zero otherwise.
|
||||||
|
*
|
||||||
|
* @return
|
||||||
|
* Zero if the keys were successfully sent, non-zero otherwise.
|
||||||
|
*/
|
||||||
|
int guac_rdp_keyboard_update_keysym(guac_rdp_keyboard* keyboard,
|
||||||
|
int keysym, int pressed);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -25,6 +25,7 @@
|
|||||||
#include "guac_cursor.h"
|
#include "guac_cursor.h"
|
||||||
#include "guac_display.h"
|
#include "guac_display.h"
|
||||||
#include "guac_recording.h"
|
#include "guac_recording.h"
|
||||||
|
#include "keyboard.h"
|
||||||
#include "rdp.h"
|
#include "rdp.h"
|
||||||
#include "rdp_bitmap.h"
|
#include "rdp_bitmap.h"
|
||||||
#include "rdp_cliprdr.h"
|
#include "rdp_cliprdr.h"
|
||||||
@ -32,7 +33,6 @@
|
|||||||
#include "rdp_fs.h"
|
#include "rdp_fs.h"
|
||||||
#include "rdp_gdi.h"
|
#include "rdp_gdi.h"
|
||||||
#include "rdp_glyph.h"
|
#include "rdp_glyph.h"
|
||||||
#include "rdp_keymap.h"
|
|
||||||
#include "rdp_pointer.h"
|
#include "rdp_pointer.h"
|
||||||
#include "rdp_rail.h"
|
#include "rdp_rail.h"
|
||||||
#include "rdp_stream.h"
|
#include "rdp_stream.h"
|
||||||
@ -544,50 +544,6 @@ static void rdp_freerdp_context_free(freerdp* instance, rdpContext* context) {
|
|||||||
/* EMPTY */
|
/* EMPTY */
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
|
||||||
* Loads all keysym/scancode mappings declared within the given keymap and its
|
|
||||||
* parent keymap, if any. These mappings are stored within the guac_rdp_client
|
|
||||||
* structure associated with the given guac_client for future use in
|
|
||||||
* translating keysyms to the scancodes required by RDP key events.
|
|
||||||
*
|
|
||||||
* @param client
|
|
||||||
* The guac_client whose associated guac_rdp_client should be initialized
|
|
||||||
* with the keysym/scancode mapping defined in the given keymap.
|
|
||||||
*
|
|
||||||
* @param keymap
|
|
||||||
* The keymap to use to populate the given client's keysym/scancode
|
|
||||||
* mapping.
|
|
||||||
*/
|
|
||||||
static void __guac_rdp_client_load_keymap(guac_client* client,
|
|
||||||
const guac_rdp_keymap* keymap) {
|
|
||||||
|
|
||||||
guac_rdp_client* rdp_client =
|
|
||||||
(guac_rdp_client*) client->data;
|
|
||||||
|
|
||||||
/* Get mapping */
|
|
||||||
const guac_rdp_keysym_desc* mapping = keymap->mapping;
|
|
||||||
|
|
||||||
/* If parent exists, load parent first */
|
|
||||||
if (keymap->parent != NULL)
|
|
||||||
__guac_rdp_client_load_keymap(client, keymap->parent);
|
|
||||||
|
|
||||||
/* Log load */
|
|
||||||
guac_client_log(client, GUAC_LOG_INFO, "Loading keymap \"%s\"", keymap->name);
|
|
||||||
|
|
||||||
/* Load mapping into keymap */
|
|
||||||
while (mapping->keysym != 0) {
|
|
||||||
|
|
||||||
/* Copy mapping */
|
|
||||||
GUAC_RDP_KEYSYM_LOOKUP(rdp_client->keymap, mapping->keysym) =
|
|
||||||
*mapping;
|
|
||||||
|
|
||||||
/* Next keysym */
|
|
||||||
mapping++;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Waits for messages from the RDP server for the given number of microseconds.
|
* Waits for messages from the RDP server for the given number of microseconds.
|
||||||
*
|
*
|
||||||
@ -752,7 +708,8 @@ static int guac_rdp_handle_connection(guac_client* client) {
|
|||||||
((rdp_freerdp_context*) rdp_inst->context)->client = client;
|
((rdp_freerdp_context*) rdp_inst->context)->client = client;
|
||||||
|
|
||||||
/* Load keymap into client */
|
/* Load keymap into client */
|
||||||
__guac_rdp_client_load_keymap(client, settings->server_layout);
|
rdp_client->keyboard = guac_rdp_keyboard_alloc(client,
|
||||||
|
settings->server_layout);
|
||||||
|
|
||||||
/* Send connection name */
|
/* Send connection name */
|
||||||
guac_protocol_send_name(client->socket, settings->hostname);
|
guac_protocol_send_name(client->socket, settings->hostname);
|
||||||
@ -916,6 +873,9 @@ static int guac_rdp_handle_connection(guac_client* client) {
|
|||||||
/* Free SVC list */
|
/* Free SVC list */
|
||||||
guac_common_list_free(rdp_client->available_svc);
|
guac_common_list_free(rdp_client->available_svc);
|
||||||
|
|
||||||
|
/* Free RDP keyboard state */
|
||||||
|
guac_rdp_keyboard_free(rdp_client->keyboard);
|
||||||
|
|
||||||
/* Free display */
|
/* Free display */
|
||||||
guac_common_display_free(rdp_client->display);
|
guac_common_display_free(rdp_client->display);
|
||||||
|
|
||||||
|
@ -27,9 +27,9 @@
|
|||||||
#include "guac_display.h"
|
#include "guac_display.h"
|
||||||
#include "guac_surface.h"
|
#include "guac_surface.h"
|
||||||
#include "guac_list.h"
|
#include "guac_list.h"
|
||||||
|
#include "keyboard.h"
|
||||||
#include "rdp_disp.h"
|
#include "rdp_disp.h"
|
||||||
#include "rdp_fs.h"
|
#include "rdp_fs.h"
|
||||||
#include "rdp_keymap.h"
|
|
||||||
#include "rdp_settings.h"
|
#include "rdp_settings.h"
|
||||||
|
|
||||||
#include <freerdp/freerdp.h>
|
#include <freerdp/freerdp.h>
|
||||||
@ -88,20 +88,9 @@ typedef struct guac_rdp_client {
|
|||||||
guac_common_surface* current_surface;
|
guac_common_surface* current_surface;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The keymap to use when translating keysyms into scancodes or sequences
|
* The current state of the keyboard with respect to the RDP session.
|
||||||
* of scancodes for RDP.
|
|
||||||
*/
|
*/
|
||||||
guac_rdp_static_keymap keymap;
|
guac_rdp_keyboard* keyboard;
|
||||||
|
|
||||||
/**
|
|
||||||
* The state of all keys, based on whether events for pressing/releasing
|
|
||||||
* particular keysyms have been received. This is necessary in order to
|
|
||||||
* determine which keys must be released/pressed when a particular
|
|
||||||
* keysym can only be typed through a sequence of scancodes (such as
|
|
||||||
* an Alt-code) because the server-side keymap does not support that
|
|
||||||
* keysym.
|
|
||||||
*/
|
|
||||||
guac_rdp_keysym_state_map keysym_state;
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The current clipboard contents.
|
* The current clipboard contents.
|
||||||
|
Loading…
Reference in New Issue
Block a user