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Automatically clear/set keysyms depending on original state for scancode prereqs.

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This commit is contained in:
Michael Jumper 2012-03-20 20:03:51 -07:00
parent 1fc7a9a8cd
commit 9f94d48c65
1 changed files with 27 additions and 8 deletions
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35
protocols/rdp/src/guac_handlers.c
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@ -54,7 +54,7 @@
#include "rdp_keymap.h"
#include "guac_handlers.h"
void __guac_rdp_send_keysym_string(guac_client* client, const int* keysym_string, int pressed);
void __guac_rdp_update_keysyms(guac_client* client, const int* keysym_string, int from, int to);
int __guac_rdp_send_keysym(guac_client* client, int keysym, int pressed);
void __guac_rdp_send_altcode(guac_client* client, const char* altcode);
@ -273,9 +273,13 @@ int __guac_rdp_send_keysym(guac_client* client, int keysym, int pressed) {
/* If defined, send event */
if (scancode_map->scancode != 0) {
/* If defined, send any prerequesite keys */
/* If defined, send any prerequesite keys that must be set */
if (scancode_map->set_keysyms != NULL)
__guac_rdp_send_keysym_string(client, scancode_map->set_keysyms, 1);
__guac_rdp_update_keysyms(client, scancode_map->set_keysyms, 0, 1);
/* If defined, release any keys that must be cleared */
if (scancode_map->clear_keysyms != NULL)
__guac_rdp_update_keysyms(client, scancode_map->clear_keysyms, 1, 0);
/* Send actual key */
rdp_inst->input->KeyboardEvent(
@ -284,9 +288,13 @@ int __guac_rdp_send_keysym(guac_client* client, int keysym, int pressed) {
| (pressed ? KBD_FLAGS_DOWN : KBD_FLAGS_RELEASE),
scancode_map->scancode);
/* If defined, release any prerequesite keys */
/* If defined, release any keys that were originally released */
if (scancode_map->set_keysyms != NULL)
__guac_rdp_send_keysym_string(client, scancode_map->set_keysyms, 0);
__guac_rdp_update_keysyms(client, scancode_map->set_keysyms, 0, 0);
/* If defined, send any keys that were originally set */
if (scancode_map->clear_keysyms != NULL)
__guac_rdp_update_keysyms(client, scancode_map->clear_keysyms, 1, 1);
}
@ -313,11 +321,22 @@ int __guac_rdp_send_keysym(guac_client* client, int keysym, int pressed) {
return 0;
}
void __guac_rdp_send_keysym_string(guac_client* client, const int* keysym_string, int pressed) {
void __guac_rdp_update_keysyms(guac_client* client, const int* keysym_string, int from, int to) {
rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
int keysym;
/* Send all keysyms in string, NULL terminated */
while (*keysym_string != 0)
__guac_rdp_send_keysym(client, *(keysym_string++), pressed);
while ((keysym = *keysym_string) != 0) {
/* Get current keysym state */
int current_state = GUAC_RDP_KEYSYM_LOOKUP(guac_client_data->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_send_keysym(client, *keysym_string, to);
}
}