mainnika
/
weston
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

text: add pre-edit styling support to protocol

Browse Source 
Also add a separate preedit-cursor event and add a commit argument to
preedit-string to allow to support commit on reset. Fix editor and
keyboard example to adapt to the protocol changes.

Signed-off-by: Jan Arne Petersen <jpetersen@openismus.com>
dev
Jan Arne Petersen 12 years ago committed by Kristian Høgsberg
parent 18639f8d4a
commit 4653531e7a
6 changed files with 129 additions and 42 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 73
      clients/editor.c
  2. 16
      clients/keyboard.c
  3. 12
      clients/weston-simple-im.c
  4. 12
      protocol/input-method.xml
  5. 26
      protocol/text.xml
  6. 32
      src/text-backend.c

73
clients/editor.c
Unescape View File

@ -51,8 +51,14 @@ struct text_entry {
int active; int active;
uint32_t cursor; uint32_t cursor;
uint32_t anchor; uint32_t anchor;
char *preedit_text; struct {
uint32_t preedit_cursor; char *text;
int32_t cursor;
char *commit;
} preedit;
struct {
int32_t cursor;
} preedit_info;
struct text_model *model; struct text_model *model;
struct text_layout *layout; struct text_layout *layout;
struct { struct {
@ -312,17 +318,12 @@ static void
text_model_preedit_string(void *data, text_model_preedit_string(void *data,
struct text_model *text_model, struct text_model *text_model,
const char *text, const char *text,
uint32_t index) const char *commit)
{ {
struct text_entry *entry = data; struct text_entry *entry = data;
if (index > strlen(text)) {
fprintf(stderr, "Invalid cursor index %d\n", index);
index = strlen(text);
}
text_entry_delete_selected_text(entry); text_entry_delete_selected_text(entry);
text_entry_set_preedit(entry, text, index); text_entry_set_preedit(entry, text, entry->preedit_info.cursor);
widget_schedule_redraw(entry->widget); widget_schedule_redraw(entry->widget);
} }
@ -360,8 +361,21 @@ text_model_delete_surrounding_text(void *data,
static void static void
text_model_preedit_styling(void *data, text_model_preedit_styling(void *data,
struct text_model *text_model) struct text_model *text_model,
uint32_t index,
uint32_t length,
uint32_t style)
{
}
static void
text_model_preedit_cursor(void *data,
struct text_model *text_model,
int32_t index)
{ {
struct text_entry *entry = data;
entry->preedit_info.cursor = index;
} }
static void static void
@ -474,6 +488,7 @@ static const struct text_model_listener text_model_listener = {
text_model_preedit_string, text_model_preedit_string,
text_model_delete_surrounding_text, text_model_delete_surrounding_text,
text_model_preedit_styling, text_model_preedit_styling,
text_model_preedit_cursor,
text_model_modifiers_map, text_model_modifiers_map,
text_model_keysym, text_model_keysym,
text_model_selection_replacement, text_model_selection_replacement,
@ -496,8 +511,6 @@ text_entry_create(struct editor *editor, const char *text)
entry->active = 0; entry->active = 0;
entry->cursor = strlen(text); entry->cursor = strlen(text);
entry->anchor = entry->cursor; entry->anchor = entry->cursor;
entry->preedit_text = NULL;
entry->preedit_cursor = 0;
entry->model = text_model_factory_create_text_model(editor->text_model_factory); entry->model = text_model_factory_create_text_model(editor->text_model_factory);
text_model_add_listener(entry->model, &text_model_listener, entry); text_model_add_listener(entry->model, &text_model_listener, entry);
@ -600,17 +613,17 @@ text_entry_update_layout(struct text_entry *entry)
char *text; char *text;
assert(((unsigned int)entry->cursor) <= strlen(entry->text) + assert(((unsigned int)entry->cursor) <= strlen(entry->text) +
(entry->preedit_text ? strlen(entry->preedit_text) : 0)); (entry->preedit.text ? strlen(entry->preedit.text) : 0));
if (!entry->preedit_text) { if (!entry->preedit.text) {
text_layout_set_text(entry->layout, entry->text); text_layout_set_text(entry->layout, entry->text);
return; return;
} }
text = malloc(strlen(entry->text) + strlen(entry->preedit_text) + 1); text = malloc(strlen(entry->text) + strlen(entry->preedit.text) + 1);
strncpy(text, entry->text, entry->cursor); strncpy(text, entry->text, entry->cursor);
strcpy(text + entry->cursor, entry->preedit_text); strcpy(text + entry->cursor, entry->preedit.text);
strcpy(text + entry->cursor + strlen(entry->preedit_text), strcpy(text + entry->cursor + strlen(entry->preedit.text),
entry->text + entry->cursor); entry->text + entry->cursor);
text_layout_set_text(entry->layout, text); text_layout_set_text(entry->layout, text);
@ -647,17 +660,17 @@ text_entry_set_preedit(struct text_entry *entry,
const char *preedit_text, const char *preedit_text,
int preedit_cursor) int preedit_cursor)
{ {
if (entry->preedit_text) { if (entry->preedit.text) {
free(entry->preedit_text); free(entry->preedit.text);
entry->preedit_text = NULL; entry->preedit.text = NULL;
entry->preedit_cursor = 0; entry->preedit.cursor = 0;
} }
if (!preedit_text) if (!preedit_text)
return; return;
entry->preedit_text = strdup(preedit_text); entry->preedit.text = strdup(preedit_text);
entry->preedit_cursor = preedit_cursor; entry->preedit.cursor = preedit_cursor;
text_entry_update_layout(entry); text_entry_update_layout(entry);
} }
@ -670,8 +683,9 @@ text_entry_set_cursor_position(struct text_entry *entry,
text_model_reset(entry->model); text_model_reset(entry->model);
if (entry->cursor >= entry->preedit_cursor) { if (entry->preedit.cursor > 0 &&
entry->cursor -= entry->preedit_cursor; entry->cursor >= (uint32_t)entry->preedit.cursor) {
entry->cursor -= entry->preedit.cursor;
} }
text_entry_update_layout(entry); text_entry_update_layout(entry);
@ -760,9 +774,12 @@ text_entry_draw_cursor(struct text_entry *entry, cairo_t *cr)
cairo_text_extents_t extents; cairo_text_extents_t extents;
cairo_rectangle_t cursor_pos; cairo_rectangle_t cursor_pos;
if (entry->preedit.text && entry->preedit.cursor < 0)
return;
text_layout_extents(entry->layout, &extents); text_layout_extents(entry->layout, &extents);
text_layout_get_cursor_pos(entry->layout, text_layout_get_cursor_pos(entry->layout,
entry->cursor + entry->preedit_cursor, entry->cursor + entry->preedit.cursor,
&cursor_pos); &cursor_pos);
cairo_set_line_width(cr, 1.0); cairo_set_line_width(cr, 1.0);
@ -778,14 +795,14 @@ text_entry_draw_preedit(struct text_entry *entry, cairo_t *cr)
cairo_rectangle_t start; cairo_rectangle_t start;
cairo_rectangle_t end; cairo_rectangle_t end;
if (!entry->preedit_text) if (!entry->preedit.text)
return; return;
text_layout_extents(entry->layout, &extents); text_layout_extents(entry->layout, &extents);
text_layout_index_to_pos(entry->layout, entry->cursor, &start); text_layout_index_to_pos(entry->layout, entry->cursor, &start);
text_layout_index_to_pos(entry->layout, text_layout_index_to_pos(entry->layout,
entry->cursor + strlen(entry->preedit_text), entry->cursor + strlen(entry->preedit.text),
&end); &end);
cairo_save (cr); cairo_save (cr);

16
clients/keyboard.c
Unescape View File

@ -226,9 +226,11 @@ virtual_keyboard_commit_preedit(struct virtual_keyboard *keyboard)
strlen(keyboard->preedit_string) == 0) strlen(keyboard->preedit_string) == 0)
return; return;
input_method_context_preedit_cursor(keyboard->context,
0);
input_method_context_preedit_string(keyboard->context, input_method_context_preedit_string(keyboard->context,
"", "",
0); "");
input_method_context_commit_string(keyboard->context, input_method_context_commit_string(keyboard->context,
keyboard->preedit_string, keyboard->preedit_string,
strlen(keyboard->preedit_string)); strlen(keyboard->preedit_string));
@ -250,9 +252,11 @@ keyboard_handle_key(struct keyboard *keyboard, uint32_t time, const struct key *
keyboard->keyboard->preedit_string = strcat(keyboard->keyboard->preedit_string, keyboard->keyboard->preedit_string = strcat(keyboard->keyboard->preedit_string,
label); label);
input_method_context_preedit_cursor(keyboard->keyboard->context,
strlen(keyboard->keyboard->preedit_string));
input_method_context_preedit_string(keyboard->keyboard->context, input_method_context_preedit_string(keyboard->keyboard->context,
keyboard->keyboard->preedit_string, keyboard->keyboard->preedit_string,
strlen(keyboard->keyboard->preedit_string)); keyboard->keyboard->preedit_string);
break; break;
case keytype_backspace: case keytype_backspace:
if (state != WL_POINTER_BUTTON_STATE_PRESSED) if (state != WL_POINTER_BUTTON_STATE_PRESSED)
@ -263,9 +267,11 @@ keyboard_handle_key(struct keyboard *keyboard, uint32_t time, const struct key *
-1, 1); -1, 1);
} else { } else {
keyboard->keyboard->preedit_string[strlen(keyboard->keyboard->preedit_string) - 1] = '\0'; keyboard->keyboard->preedit_string[strlen(keyboard->keyboard->preedit_string) - 1] = '\0';
input_method_context_preedit_cursor(keyboard->keyboard->context,
strlen(keyboard->keyboard->preedit_string));
input_method_context_preedit_string(keyboard->keyboard->context, input_method_context_preedit_string(keyboard->keyboard->context,
keyboard->keyboard->preedit_string, keyboard->keyboard->preedit_string,
strlen(keyboard->keyboard->preedit_string)); keyboard->keyboard->preedit_string);
} }
break; break;
case keytype_enter: case keytype_enter:
@ -386,9 +392,11 @@ input_method_context_reset(void *data,
fprintf(stderr, "Reset pre-edit buffer\n"); fprintf(stderr, "Reset pre-edit buffer\n");
if (strlen(keyboard->preedit_string)) { if (strlen(keyboard->preedit_string)) {
input_method_context_preedit_cursor(context,
0);
input_method_context_preedit_string(context, input_method_context_preedit_string(context,
"", "",
0); "");
free(keyboard->preedit_string); free(keyboard->preedit_string);
keyboard->preedit_string = strdup(""); keyboard->preedit_string = strdup("");
} }

12
clients/weston-simple-im.c
Unescape View File

@ -370,8 +370,10 @@ simple_im_key_handler(struct simple_im *keyboard,
if (cs) { if (cs) {
if (cs->keys[i + 1] == 0) { if (cs->keys[i + 1] == 0) {
input_method_context_preedit_cursor(keyboard->context,
0);
input_method_context_preedit_string(keyboard->context, input_method_context_preedit_string(keyboard->context,
"", 0); "", "");
input_method_context_commit_string(keyboard->context, input_method_context_commit_string(keyboard->context,
cs->text, cs->text,
strlen(cs->text)); strlen(cs->text));
@ -383,9 +385,11 @@ simple_im_key_handler(struct simple_im *keyboard,
idx += xkb_keysym_to_utf8(cs->keys[j], text + idx, sizeof(text) - idx); idx += xkb_keysym_to_utf8(cs->keys[j], text + idx, sizeof(text) - idx);
} }
input_method_context_preedit_cursor(keyboard->context,
strlen(text));
input_method_context_preedit_string(keyboard->context, input_method_context_preedit_string(keyboard->context,
text, text,
strlen(text)); text);
} }
} else { } else {
uint32_t j = 0, idx = 0; uint32_t j = 0, idx = 0;
@ -393,8 +397,10 @@ simple_im_key_handler(struct simple_im *keyboard,
for (; j <= i; j++) { for (; j <= i; j++) {
idx += xkb_keysym_to_utf8(keyboard->compose_seq.keys[j], text + idx, sizeof(text) - idx); idx += xkb_keysym_to_utf8(keyboard->compose_seq.keys[j], text + idx, sizeof(text) - idx);
} }
input_method_context_preedit_cursor(keyboard->context,
0);
input_method_context_preedit_string(keyboard->context, input_method_context_preedit_string(keyboard->context,
"", 0); "", "");
input_method_context_commit_string(keyboard->context, input_method_context_commit_string(keyboard->context,
text, text,
strlen(text)); strlen(text));

12
protocol/input-method.xml
Unescape View File

@ -47,7 +47,19 @@
Send the pre-edit string text to the applications text model. Send the pre-edit string text to the applications text model.
</description> </description>
<arg name="text" type="string"/> <arg name="text" type="string"/>
<arg name="commit" type="string"/>
</request>
<request name="preedit_styling">
<arg name="index" type="uint"/> <arg name="index" type="uint"/>
<arg name="length" type="uint"/>
<arg name="style" type="uint"/>
</request>
<request name="preedit_cursor">
<description summary="pre-edit cursor">
Sets the cursor position inside the composing text (as byte index)
relative to the start of the composing text.
</description>
<arg name="index" type="int"/>
</request> </request>
<request name="delete_surrounding_text"> <request name="delete_surrounding_text">
<arg name="index" type="int"/> <arg name="index" type="int"/>

26
protocol/text.xml
Unescape View File

@ -73,7 +73,7 @@
be reseted, for example after the text was changed outside of the be reseted, for example after the text was changed outside of the
normal input method flow. normal input method flow.
</description> </description>
</request> </request>
<request name="set_micro_focus"> <request name="set_micro_focus">
<arg name="x" type="int"/> <arg name="x" type="int"/>
<arg name="y" type="int"/> <arg name="y" type="int"/>
@ -101,7 +101,7 @@
to the start of the composing text. to the start of the composing text.
</description> </description>
<arg name="text" type="string"/> <arg name="text" type="string"/>
<arg name="index" type="uint"/> <arg name="commit" type="string"/>
</event> </event>
<event name="delete_surrounding_text"> <event name="delete_surrounding_text">
<description summary="delete surrounding text"> <description summary="delete surrounding text">
@ -112,7 +112,27 @@
<arg name="index" type="int"/> <arg name="index" type="int"/>
<arg name="length" type="uint"/> <arg name="length" type="uint"/>
</event> </event>
<event name="preedit_styling"/> <enum name="preedit_style">
<entry name="default" value="1"/>
<entry name="active" value="2"/>
<entry name="inactive" value="3"/>
<entry name="highlight" value="4"/>
<entry name="underline" value="5"/>
<entry name="selection" value="6"/>
<entry name="incorrect" value="7"/>
</enum>
<event name="preedit_styling">
<arg name="index" type="uint"/>
<arg name="length" type="uint"/>
<arg name="style" type="uint"/>
</event>
<event name="preedit_cursor">
<description summary="pre-edit cursor">
Sets the cursor position inside the composing text (as byte index)
relative to the start of the composing text.
</description>
<arg name="index" type="int"/>
</event>
<event name="modifiers_map"> <event name="modifiers_map">
<description summary="modifiers map"> <description summary="modifiers map">
Transfer an array of 0-terminated modifiers names. The position in Transfer an array of 0-terminated modifiers names. The position in

32
src/text-backend.c
Unescape View File

@ -338,13 +338,35 @@ input_method_context_commit_string(struct wl_client *client,
static void static void
input_method_context_preedit_string(struct wl_client *client, input_method_context_preedit_string(struct wl_client *client,
struct wl_resource *resource, struct wl_resource *resource,
const char *text, const char *text,
uint32_t index) const char *commit)
{
struct input_method_context *context = resource->data;
text_model_send_preedit_string(&context->model->resource, text, commit);
}
static void
input_method_context_preedit_styling(struct wl_client *client,
struct wl_resource *resource,
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);
}
static void
input_method_context_preedit_cursor(struct wl_client *client,
struct wl_resource *resource,
int32_t cursor)
{ {
struct input_method_context *context = resource->data; struct input_method_context *context = resource->data;
text_model_send_preedit_string(&context->model->resource, text, index); text_model_send_preedit_cursor(&context->model->resource, cursor);
} }
static void static void
@ -495,6 +517,8 @@ static const struct input_method_context_interface input_method_context_implemen
input_method_context_destroy, input_method_context_destroy,
input_method_context_commit_string, input_method_context_commit_string,
input_method_context_preedit_string, input_method_context_preedit_string,
input_method_context_preedit_styling,
input_method_context_preedit_cursor,
input_method_context_delete_surrounding_text, input_method_context_delete_surrounding_text,
input_method_context_modifiers_map, input_method_context_modifiers_map,
input_method_context_keysym, input_method_context_keysym,

Write Preview
Loading…
Cancel
Save