[PATCH 4/7] server: Allow extra data for hardware_msg_data message.
Rémi Bernon
rbernon at codeweavers.com
Thu Sep 19 07:07:18 CDT 2019
The RIM_TYPEHID messages will have to carry the variable length HID
report.
Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
---
server/queue.c | 43 +++++++++++++++++++++++++++----------------
1 file changed, 27 insertions(+), 16 deletions(-)
diff --git a/server/queue.c b/server/queue.c
index 22abdaed34a..156a355c6d1 100644
--- a/server/queue.c
+++ b/server/queue.c
@@ -343,13 +343,13 @@ static int assign_thread_input( struct thread *thread, struct thread_input *new_
/* allocate a hardware message and its data */
static struct message *alloc_hardware_message( lparam_t info, struct hw_msg_source source,
- unsigned int time )
+ unsigned int time, data_size_t extra_len )
{
struct hardware_msg_data *msg_data;
struct message *msg;
if (!(msg = mem_alloc( sizeof(*msg) ))) return NULL;
- if (!(msg_data = mem_alloc( sizeof(*msg_data) )))
+ if (!(msg_data = mem_alloc( sizeof(*msg_data) + extra_len )))
{
free( msg );
return NULL;
@@ -358,9 +358,9 @@ static struct message *alloc_hardware_message( lparam_t info, struct hw_msg_sour
msg->type = MSG_HARDWARE;
msg->time = time;
msg->data = msg_data;
- msg->data_size = sizeof(*msg_data);
+ msg->data_size = sizeof(*msg_data) + extra_len;
- memset( msg_data, 0, sizeof(*msg_data) );
+ memset( msg_data, 0, sizeof(*msg_data) + extra_len );
msg_data->info = info;
msg_data->source = source;
return msg;
@@ -372,7 +372,7 @@ static void set_cursor_pos( struct desktop *desktop, int x, int y )
static const struct hw_msg_source source = { IMDT_UNAVAILABLE, IMO_SYSTEM };
struct message *msg;
- if (!(msg = alloc_hardware_message( 0, source, get_tick_count() ))) return;
+ if (!(msg = alloc_hardware_message( 0, source, get_tick_count(), 0 ))) return;
msg->msg = WM_MOUSEMOVE;
msg->x = x;
@@ -1602,6 +1602,8 @@ struct rawinput_message
struct hw_msg_source source;
unsigned int time;
struct hardware_msg_data data;
+ const void *extra;
+ data_size_t extra_len;
};
static int queue_rawinput_message( struct process* process, void* user )
@@ -1611,6 +1613,7 @@ static int queue_rawinput_message( struct process* process, void* user )
struct desktop *desktop = NULL;
struct thread *thread = NULL;
struct message *msg;
+ struct hardware_msg_data *msg_data;
if (raw_msg->data.rawinput.type == RIM_TYPEMOUSE)
device = process->rawinput_mouse;
@@ -1631,14 +1634,18 @@ static int queue_rawinput_message( struct process* process, void* user )
if (thread->queue->input != desktop->foreground_input)
goto done;
- if (!(msg = alloc_hardware_message( raw_msg->data.info, raw_msg->source, raw_msg->time )))
+ if (!(msg = alloc_hardware_message( raw_msg->data.info, raw_msg->source, raw_msg->time, raw_msg->extra_len )))
goto done;
+ msg_data = msg->data;
msg->win = device->target;
msg->msg = WM_INPUT;
msg->wparam = RIM_INPUT;
msg->lparam = 0;
- memcpy( msg->data, &raw_msg->data, sizeof(raw_msg->data) );
+
+ memcpy( msg_data, &raw_msg->data, sizeof(*msg_data) );
+ if (raw_msg->extra_len && raw_msg->extra)
+ memcpy( msg_data + 1, raw_msg->extra, raw_msg->extra_len );
queue_hardware_message( desktop, msg, 0 );
@@ -1705,9 +1712,11 @@ static int queue_mouse_message( struct desktop *desktop, user_handle_t win, cons
if (!(req_flags & SEND_HWMSG_SKIP_RAW))
{
- raw_msg.desktop = desktop;
- raw_msg.source = source;
- raw_msg.time = time;
+ raw_msg.desktop = desktop;
+ raw_msg.source = source;
+ raw_msg.time = time;
+ raw_msg.extra = NULL;
+ raw_msg.extra_len = 0;
msg_data = &raw_msg.data;
msg_data->info = input->mouse.info;
@@ -1732,7 +1741,7 @@ static int queue_mouse_message( struct desktop *desktop, user_handle_t win, cons
if (!(flags & (1 << i))) continue;
flags &= ~(1 << i);
- if (!(msg = alloc_hardware_message( input->mouse.info, source, time ))) return 0;
+ if (!(msg = alloc_hardware_message( input->mouse.info, source, time, 0 ))) return 0;
msg_data = msg->data;
msg->win = get_user_full_handle( win );
@@ -1835,9 +1844,11 @@ static int queue_keyboard_message( struct desktop *desktop, user_handle_t win, c
if (!(req_flags & SEND_HWMSG_SKIP_RAW))
{
- raw_msg.desktop = desktop;
- raw_msg.source = source;
- raw_msg.time = time;
+ raw_msg.desktop = desktop;
+ raw_msg.source = source;
+ raw_msg.time = time;
+ raw_msg.extra = NULL;
+ raw_msg.extra_len = 0;
msg_data = &raw_msg.data;
msg_data->info = input->kbd.info;
@@ -1856,7 +1867,7 @@ static int queue_keyboard_message( struct desktop *desktop, user_handle_t win, c
if (req_flags & SEND_HWMSG_ONLY_RAW)
return 0;
- if (!(msg = alloc_hardware_message( input->kbd.info, source, time ))) return 0;
+ if (!(msg = alloc_hardware_message( input->kbd.info, source, time, 0 ))) return 0;
msg_data = msg->data;
msg->win = get_user_full_handle( win );
@@ -1894,7 +1905,7 @@ static void queue_custom_hardware_message( struct desktop *desktop, user_handle_
struct hw_msg_source source = { IMDT_UNAVAILABLE, origin };
struct message *msg;
- if (!(msg = alloc_hardware_message( 0, source, get_tick_count() ))) return;
+ if (!(msg = alloc_hardware_message( 0, source, get_tick_count(), 0 ))) return;
msg->win = get_user_full_handle( win );
msg->msg = input->hw.msg;
--
2.23.0
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