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text: add serial argument to text protocol 

The serial argument will allow to ignore outdated events from before a
reset request.

Signed-off-by: Jan Arne Petersen <jpetersen@openismus.com>
This commit is contained in:
Jan Arne Petersen 2013-01-16 21:26:39 +01:00 committed by Kristian Høgsberg
parent 4653531e7a
commit c7d2a9839b
6 changed files with 83 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
clients/editor.c
View File

@ -64,6 +64,7 @@ struct text_entry {
struct {
xkb_mod_mask_t shift_mask;
} keysym;
uint32_t serial;
};
struct editor {
@ -300,6 +301,7 @@ static void text_entry_delete_selected_text(struct text_entry *entry);
static void
text_model_commit_string(void *data,
struct text_model *text_model,
uint32_t serial,
const char *text,
uint32_t index)
{
@ -317,6 +319,7 @@ text_model_commit_string(void *data,
static void
text_model_preedit_string(void *data,
struct text_model *text_model,
uint32_t serial,
const char *text,
const char *commit)
{
@ -331,6 +334,7 @@ text_model_preedit_string(void *data,
static void
text_model_delete_surrounding_text(void *data,
struct text_model *text_model,
uint32_t serial,
int32_t index,
uint32_t length)
{
@ -362,6 +366,7 @@ text_model_delete_surrounding_text(void *data,
static void
text_model_preedit_styling(void *data,
struct text_model *text_model,
uint32_t serial,
uint32_t index,
uint32_t length,
uint32_t style)
@ -371,6 +376,7 @@ text_model_preedit_styling(void *data,
static void
text_model_preedit_cursor(void *data,
struct text_model *text_model,
uint32_t serial,
int32_t index)
{
struct text_entry *entry = data;
@ -594,7 +600,10 @@ text_entry_activate(struct text_entry *entry,
{
struct wl_surface *surface = window_get_wl_surface(entry->window);
entry->serial++;
text_model_activate(entry->model,
entry->serial,
seat,
surface);
}
@ -681,7 +690,9 @@ text_entry_set_cursor_position(struct text_entry *entry,
{
entry->cursor = text_layout_xy_to_index(entry->layout, x, y);
text_model_reset(entry->model);
entry->serial++;
text_model_reset(entry->model, entry->serial);
if (entry->preedit.cursor > 0 &&
entry->cursor >= (uint32_t)entry->preedit.cursor) {

20
clients/keyboard.c
View File

@ -41,6 +41,7 @@ struct virtual_keyboard {
struct {
xkb_mod_mask_t shift_mask;
} keysym;
uint32_t serial;
};
enum key_type {
@ -227,11 +228,14 @@ virtual_keyboard_commit_preedit(struct virtual_keyboard *keyboard)
return;
input_method_context_preedit_cursor(keyboard->context,
keyboard->serial,
0);
input_method_context_preedit_string(keyboard->context,
keyboard->serial,
"",
"");
input_method_context_commit_string(keyboard->context,
keyboard->serial,
keyboard->preedit_string,
strlen(keyboard->preedit_string));
free(keyboard->preedit_string);
@ -253,8 +257,10 @@ keyboard_handle_key(struct keyboard *keyboard, uint32_t time, const struct key *
keyboard->keyboard->preedit_string = strcat(keyboard->keyboard->preedit_string,
label);
input_method_context_preedit_cursor(keyboard->keyboard->context,
keyboard->keyboard->serial,
strlen(keyboard->keyboard->preedit_string));
input_method_context_preedit_string(keyboard->keyboard->context,
keyboard->keyboard->serial,
keyboard->keyboard->preedit_string,
keyboard->keyboard->preedit_string);
break;
@ -264,12 +270,15 @@ keyboard_handle_key(struct keyboard *keyboard, uint32_t time, const struct key *
if (strlen(keyboard->keyboard->preedit_string) == 0) {
input_method_context_delete_surrounding_text(keyboard->keyboard->context,
keyboard->keyboard->serial,
-1, 1);
} else {
keyboard->keyboard->preedit_string[strlen(keyboard->keyboard->preedit_string) - 1] = '\0';
input_method_context_preedit_cursor(keyboard->keyboard->context,
keyboard->keyboard->serial,
strlen(keyboard->keyboard->preedit_string));
input_method_context_preedit_string(keyboard->keyboard->context,
keyboard->keyboard->serial,
keyboard->keyboard->preedit_string,
keyboard->keyboard->preedit_string);
}
@ -385,7 +394,8 @@ input_method_context_surrounding_text(void *data,
static void
input_method_context_reset(void *data,
struct input_method_context *context)
struct input_method_context *context,
uint32_t serial)
{
struct virtual_keyboard *keyboard = data;
@ -393,13 +403,17 @@ input_method_context_reset(void *data,
if (strlen(keyboard->preedit_string)) {
input_method_context_preedit_cursor(context,
serial,
0);
input_method_context_preedit_string(context,
serial,
"",
"");
free(keyboard->preedit_string);
keyboard->preedit_string = strdup("");
}
keyboard->serial = serial;
}
static const struct input_method_context_listener input_method_context_listener = {
@ -410,7 +424,8 @@ static const struct input_method_context_listener input_method_context_listener
static void
input_method_activate(void *data,
struct input_method *input_method,
struct input_method_context *context)
struct input_method_context *context,
uint32_t serial)
{
struct virtual_keyboard *keyboard = data;
struct wl_array modifiers_map;
@ -422,6 +437,7 @@ input_method_activate(void *data,
free(keyboard->preedit_string);
keyboard->preedit_string = strdup("");
keyboard->serial = serial;
keyboard->context = context;
input_method_context_add_listener(context,

21
clients/weston-simple-im.c
View File

@ -70,6 +70,8 @@ struct simple_im {
xkb_mod_mask_t shift_mask;
keyboard_input_key_handler_t key_handler;
uint32_t serial;
};
static const struct compose_seq compose_seqs[] = {
@ -110,13 +112,16 @@ input_method_context_surrounding_text(void *data,
static void
input_method_context_reset(void *data,
struct input_method_context *context)
struct input_method_context *context,
uint32_t serial)
{
struct simple_im *keyboard = data;
fprintf(stderr, "Reset pre-edit buffer\n");
keyboard->compose_state = state_normal;
keyboard->serial = serial;
}
static const struct input_method_context_listener input_method_context_listener = {
@ -247,7 +252,8 @@ static const struct wl_keyboard_listener input_method_keyboard_listener = {
static void
input_method_activate(void *data,
struct input_method *input_method,
struct input_method_context *context)
struct input_method_context *context,
uint32_t serial)
{
struct simple_im *keyboard = data;
@ -256,6 +262,8 @@ input_method_activate(void *data,
keyboard->compose_state = state_normal;
keyboard->serial = serial;
keyboard->context = context;
input_method_context_add_listener(context,
&input_method_context_listener,
@ -371,10 +379,13 @@ simple_im_key_handler(struct simple_im *keyboard,
if (cs) {
if (cs->keys[i + 1] == 0) {
input_method_context_preedit_cursor(keyboard->context,
keyboard->serial,
0);
input_method_context_preedit_string(keyboard->context,
keyboard->serial,
"", "");
input_method_context_commit_string(keyboard->context,
keyboard->serial,
cs->text,
strlen(cs->text));
keyboard->compose_state = state_normal;
@ -386,8 +397,10 @@ simple_im_key_handler(struct simple_im *keyboard,
}
input_method_context_preedit_cursor(keyboard->context,
keyboard->serial,
strlen(text));
input_method_context_preedit_string(keyboard->context,
keyboard->serial,
text,
text);
}
@ -398,10 +411,13 @@ simple_im_key_handler(struct simple_im *keyboard,
idx += xkb_keysym_to_utf8(keyboard->compose_seq.keys[j], text + idx, sizeof(text) - idx);
}
input_method_context_preedit_cursor(keyboard->context,
keyboard->serial,
0);
input_method_context_preedit_string(keyboard->context,
keyboard->serial,
"", "");
input_method_context_commit_string(keyboard->context,
keyboard->serial,
text,
strlen(text));
keyboard->compose_state = state_normal;
@ -418,6 +434,7 @@ simple_im_key_handler(struct simple_im *keyboard,
return;
input_method_context_commit_string(keyboard->context,
keyboard->serial,
text,
strlen(text));
}

7
protocol/input-method.xml
View File

@ -39,6 +39,7 @@
<description summary="commit string">
Send the commit string text to the applications text model.
</description>
<arg name="serial" type="uint"/>
<arg name="text" type="string"/>
<arg name="index" type="uint"/>
</request>
@ -46,10 +47,12 @@
<description summary="pre-edit string">
Send the pre-edit string text to the applications text model.
</description>
<arg name="serial" type="uint"/>
<arg name="text" type="string"/>
<arg name="commit" type="string"/>
</request>
<request name="preedit_styling">
<arg name="serial" type="uint"/>
<arg name="index" type="uint"/>
<arg name="length" type="uint"/>
<arg name="style" type="uint"/>
@ -59,9 +62,11 @@
Sets the cursor position inside the composing text (as byte index)
relative to the start of the composing text.
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="int"/>
</request>
<request name="delete_surrounding_text">
<arg name="serial" type="uint"/>
<arg name="index" type="int"/>
<arg name="length" type="uint"/>
</request>
@ -116,6 +121,7 @@
<arg name="anchor" type="uint"/>
</event>
<event name="reset">
<arg name="serial" type="uint"/>
</event>
</interface>
@ -132,6 +138,7 @@
which allows communication with the text model.
</description>
<arg name="id" type="new_id" interface="input_method_context"/>
<arg name="serial" type="uint"/>
</event>
<event name="deactivate">
<description summary="activate event">

7
protocol/text.xml
View File

@ -56,6 +56,7 @@
model and tracked for focus lost. The activated event is emitted on
successful activation.
</description>
<arg name="serial" type="uint"/>
<arg name="seat" type="object" interface="wl_seat"/>
<arg name="surface" type="object" interface="wl_surface"/>
</request>
@ -73,6 +74,7 @@
be reseted, for example after the text was changed outside of the
normal input method flow.
</description>
<arg name="serial" type="uint"/>
</request>
<request name="set_micro_focus">
<arg name="x" type="int"/>
@ -90,6 +92,7 @@
or the result of some composing (pre-edit). It also sets the new
cursor position (as byte index) relative to the inserted text.
</description>
<arg name="serial" type="uint"/>
<arg name="text" type="string"/>
<arg name="index" type="uint"/>
</event>
@ -100,6 +103,7 @@
be removed. It also sets the cursor position (as byte index) relative
to the start of the composing text.
</description>
<arg name="serial" type="uint"/>
<arg name="text" type="string"/>
<arg name="commit" type="string"/>
</event>
@ -109,6 +113,7 @@
deleted. Index is relative to the current cursor (as byte index).
Length is the length of deleted text (as bytes).
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="int"/>
<arg name="length" type="uint"/>
</event>
@ -122,6 +127,7 @@
<entry name="incorrect" value="7"/>
</enum>
<event name="preedit_styling">
<arg name="serial" type="uint"/>
<arg name="index" type="uint"/>
<arg name="length" type="uint"/>
<arg name="style" type="uint"/>
@ -131,6 +137,7 @@
Sets the cursor position inside the composing text (as byte index)
relative to the start of the composing text.
</description>
<arg name="serial" type="uint"/>
<arg name="index" type="int"/>
</event>
<event name="modifiers_map">

31
src/text-backend.c
View File

@ -95,7 +95,8 @@ struct text_backend {
};
static void input_method_context_create(struct text_model *model,
struct input_method *input_method);
struct input_method *input_method,
uint32_t serial);
static void input_method_context_end_keyboard_grab(struct input_method_context *context);
static void input_method_init_seat(struct weston_seat *seat);
@ -157,6 +158,7 @@ text_model_set_surrounding_text(struct wl_client *client,
static void
text_model_activate(struct wl_client *client,
struct wl_resource *resource,
uint32_t serial,
struct wl_resource *seat,
struct wl_resource *surface)
{
@ -180,7 +182,7 @@ text_model_activate(struct wl_client *client,
text_model->surface = surface->data;
input_method_context_create(text_model, input_method);
input_method_context_create(text_model, input_method, serial);
wl_signal_emit(&ec->show_input_panel_signal, ec);
@ -201,7 +203,8 @@ text_model_deactivate(struct wl_client *client,
static void
text_model_reset(struct wl_client *client,
struct wl_resource *resource)
struct wl_resource *resource,
uint32_t serial)
{
struct text_model *text_model = resource->data;
struct input_method *input_method, *next;
@ -209,7 +212,7 @@ text_model_reset(struct wl_client *client,
wl_list_for_each_safe(input_method, next, &text_model->input_methods, link) {
if (!input_method->context)
continue;
input_method_context_send_reset(&input_method->context->resource);
input_method_context_send_reset(&input_method->context->resource, serial);
}
}
@ -328,56 +331,61 @@ input_method_context_destroy(struct wl_client *client,
static void
input_method_context_commit_string(struct wl_client *client,
struct wl_resource *resource,
uint32_t serial,
const char *text,
uint32_t index)
{
struct input_method_context *context = resource->data;
text_model_send_commit_string(&context->model->resource, text, index);
text_model_send_commit_string(&context->model->resource, serial, text, index);
}
static void
input_method_context_preedit_string(struct wl_client *client,
struct wl_resource *resource,
uint32_t serial,
const char *text,
const char *commit)
{
struct input_method_context *context = resource->data;
text_model_send_preedit_string(&context->model->resource, text, commit);
text_model_send_preedit_string(&context->model->resource, serial, text, commit);
}
static void
input_method_context_preedit_styling(struct wl_client *client,
struct wl_resource *resource,
uint32_t serial,
uint32_t index,
uint32_t length,
uint32_t style)
{
struct input_method_context *context = resource->data;
text_model_send_preedit_styling(&context->model->resource, index, length, style);
text_model_send_preedit_styling(&context->model->resource, serial, index, length, style);
}
static void
input_method_context_preedit_cursor(struct wl_client *client,
struct wl_resource *resource,
uint32_t serial,
int32_t cursor)
{
struct input_method_context *context = resource->data;
text_model_send_preedit_cursor(&context->model->resource, cursor);
text_model_send_preedit_cursor(&context->model->resource, serial, cursor);
}
static void
input_method_context_delete_surrounding_text(struct wl_client *client,
struct wl_resource *resource,
uint32_t serial,
int32_t index,
uint32_t length)
{
struct input_method_context *context = resource->data;
text_model_send_delete_surrounding_text(&context->model->resource, index, length);
text_model_send_delete_surrounding_text(&context->model->resource, serial, index, length);
}
static void
@ -541,7 +549,8 @@ destroy_input_method_context(struct wl_resource *resource)
static void
input_method_context_create(struct text_model *model,
struct input_method *input_method)
struct input_method *input_method,
uint32_t serial)
{
struct input_method_context *context;
@ -568,7 +577,7 @@ input_method_context_create(struct text_model *model,
wl_client_add_resource(input_method->input_method_binding->client, &context->resource);
input_method_send_activate(input_method->input_method_binding, &context->resource);
input_method_send_activate(input_method->input_method_binding, &context->resource, serial);
}
static void