From de91361ea502c63e54ceb23389b3c88b234f40a0 Mon Sep 17 00:00:00 2001
From: Daiki Ueno <ueno@unixuser.org>
Date: Thu, 21 Oct 2010 18:48:51 +0900
Subject: [PATCH] Support surrounding-text retrieval.
This change adds a new API function ibus_engine_get_surrounding_text().
In the implementation, engines do not proactively requests surrounding-text to
target applications via the GTK+ client (IBusIMContext) every time the
function is called. Instead, IBusIMContext retrieves surrounding-text when
certain events occur in the input context (IBusInputContext) and maintains
it within the input context.
This logic is similar to Qt's QInputContext. The following events trigger
surrounding-text retrieval:
- focus_in
- commit_text
- show_preedit_text
- (just before) process_key_event
Also,
- destroy
resets the current surrounding-text.
---
bus/engineproxy.c | 34 +++++++++++
bus/engineproxy.h | 7 ++
bus/inputcontext.c | 48 ++++++++++++++++
client/gtk2/ibusimcontext.c | 80 ++++++++++++++++++++++++--
ibus/engine.py | 6 ++
ibus/interface/iengine.py | 3 +
ibus/interface/iinputcontext.py | 3 +
src/ibusengine.c | 119 +++++++++++++++++++++++++++++++++++++++
src/ibusengine.h | 21 +++++++-
src/ibusinputcontext.c | 43 ++++++++++++++
src/ibusinputcontext.h | 11 ++++
src/ibusmarshalers.list | 1 +
12 files changed, 368 insertions(+), 8 deletions(-)
diff --git a/bus/engineproxy.c b/bus/engineproxy.c
index 03592d7..915f999 100644
--- a/bus/engineproxy.c
+++ b/bus/engineproxy.c
@@ -52,6 +52,8 @@ enum {
static guint engine_signals[LAST_SIGNAL] = { 0 };
// static guint engine_signals[LAST_SIGNAL] = { 0 };
+static IBusText *text_empty = NULL;
+
/* functions prototype */
static void bus_engine_proxy_real_destroy (BusEngineProxy *engine);
@@ -302,6 +304,8 @@ bus_engine_proxy_class_init (BusEngineProxyClass *klass)
1,
IBUS_TYPE_PROPERTY);
+ text_empty = ibus_text_new_from_static_string ("");
+ g_object_ref_sink (text_empty);
}
static void
@@ -316,6 +320,8 @@ bus_engine_proxy_init (BusEngineProxy *engine)
engine->enabled = FALSE;
engine->desc = NULL;
engine->keymap = NULL;
+ engine->surrounding_text = g_object_ref_sink (text_empty);
+ engine->surrounding_cursor_pos = 0;
}
static void
@@ -337,6 +343,11 @@ bus_engine_proxy_real_destroy (BusEngineProxy *engine)
engine->keymap = NULL;
}
+ if (engine->surrounding_text) {
+ g_object_unref (engine->surrounding_text);
+ engine->surrounding_text = NULL;
+ }
+
IBUS_OBJECT_CLASS(bus_engine_proxy_parent_class)->destroy (IBUS_OBJECT (engine));
}
@@ -733,6 +744,29 @@ void bus_engine_proxy_property_hide (BusEngineProxy *engine,
G_TYPE_INVALID);
}
+void bus_engine_proxy_set_surrounding_text (BusEngineProxy *engine,
+ IBusText *text,
+ guint cursor_pos)
+{
+ g_assert (BUS_IS_ENGINE_PROXY (engine));
+ g_assert (text != NULL);
+
+ if (!engine->surrounding_text ||
+ g_strcmp0 (text->text, engine->surrounding_text->text) != 0 ||
+ cursor_pos != engine->surrounding_cursor_pos) {
+ if (engine->surrounding_text)
+ g_object_unref (engine->surrounding_text);
+ engine->surrounding_text = (IBusText *) g_object_ref_sink (text);
+ engine->surrounding_cursor_pos = cursor_pos;
+
+ ibus_proxy_call ((IBusProxy *) engine,
+ "SetSurroundingText",
+ IBUS_TYPE_TEXT, &text,
+ G_TYPE_UINT, &cursor_pos,
+ G_TYPE_INVALID);
+ }
+}
+
#define DEFINE_FUNCTION(Name, name) \
void \
bus_engine_proxy_##name (BusEngineProxy *engine) \
diff --git a/bus/engineproxy.h b/bus/engineproxy.h
index 254b00c..b0e211d 100644
--- a/bus/engineproxy.h
+++ b/bus/engineproxy.h
@@ -59,6 +59,9 @@ struct _BusEngineProxy {
gint y;
gint w;
gint h;
+ /* surrounding text */
+ IBusText *surrounding_text;
+ guint surrounding_cursor_pos;
IBusEngineDesc *desc;
IBusKeymap *keymap;
@@ -112,5 +115,9 @@ void bus_engine_proxy_property_show (BusEngineProxy *engine,
void bus_engine_proxy_property_hide (BusEngineProxy *engine,
const gchar *prop_name);
gboolean bus_engine_proxy_is_enabled (BusEngineProxy *engine);
+void bus_engine_proxy_set_surrounding_text
+ (BusEngineProxy *engine,
+ IBusText *text,
+ guint cursor_pos);
G_END_DECLS
#endif
diff --git a/bus/inputcontext.c b/bus/inputcontext.c
index b5ab201..1aa9f21 100644
--- a/bus/inputcontext.c
+++ b/bus/inputcontext.c
@@ -569,6 +569,10 @@ _ibus_introspect (BusInputContext *context,
" <arg name=\"desc\" direction=\"out\" type=\"v\"/>\n"
" </method>\n"
" <method name=\"Destroy\"/>\n"
+ " <method name=\"SetSurroundingText\">\n"
+ " <arg name=\"text\" direction=\"in\" type=\"v\"/>\n"
+ " <arg name=\"cursor_pos\" direction=\"in\" type=\"u\"/>\n"
+ " </method>\n"
/* signals */
" <signal name=\"CommitText\">\n"
@@ -1098,6 +1102,49 @@ _ic_destroy (BusInputContext *context,
return NULL;
}
+static IBusMessage *
+_ic_set_surrounding_text (BusInputContext *context,
+ IBusMessage *message,
+ BusConnection *connection)
+{
+ g_assert (BUS_IS_INPUT_CONTEXT (context));
+ g_assert (message != NULL);
+ g_assert (BUS_IS_CONNECTION (connection));
+
+ IBusMessage *reply;
+ IBusText *text;
+ guint cursor_pos = 0;
+ gboolean retval;
+ IBusError *error;
+
+ retval = ibus_message_get_args (message,
+ &error,
+ IBUS_TYPE_TEXT, &text,
+ G_TYPE_UINT, &cursor_pos,
+ G_TYPE_INVALID);
+
+ if (!retval) {
+ reply = ibus_message_new_error (message,
+ error->name,
+ error->message);
+ ibus_error_free (error);
+ return reply;
+ }
+
+ if ((context->capabilities & IBUS_CAP_SURROUNDING_TEXT) &&
+ context->has_focus && context->enabled && context->engine) {
+ bus_engine_proxy_set_surrounding_text (context->engine,
+ text,
+ cursor_pos);
+ }
+
+ if (g_object_is_floating (text))
+ g_object_unref (text);
+
+ reply = ibus_message_new_method_return (message);
+ return reply;
+}
+
static gboolean
bus_input_context_ibus_message (BusInputContext *context,
BusConnection *connection,
@@ -1132,6 +1179,7 @@ bus_input_context_ibus_message (BusInputContext *context,
{ IBUS_INTERFACE_INPUT_CONTEXT, "SetEngine", _ic_set_engine },
{ IBUS_INTERFACE_INPUT_CONTEXT, "GetEngine", _ic_get_engine },
{ IBUS_INTERFACE_INPUT_CONTEXT, "Destroy", _ic_destroy },
+ { IBUS_INTERFACE_INPUT_CONTEXT, "SetSurroundingText",_ic_set_surrounding_text },
};
ibus_message_set_sender (message, bus_connection_get_unique_name (connection));
diff --git a/client/gtk2/ibusimcontext.c b/client/gtk2/ibusimcontext.c
index 0bb71b5..eaa4a54 100644
--- a/client/gtk2/ibusimcontext.c
+++ b/client/gtk2/ibusimcontext.c
@@ -113,6 +113,12 @@ static void ibus_im_context_set_cursor_location
static void ibus_im_context_set_use_preedit
(GtkIMContext *context,
gboolean use_preedit);
+static void ibus_im_context_set_surrounding
+ (GtkIMContext *slave,
+ const gchar *text,
+ gint len,
+ gint cursor_index);
+
/* static methods*/
static void _create_input_context (IBusIMContext *context);
@@ -131,15 +137,16 @@ static void _slave_preedit_start_cb (GtkIMContext *slave,
IBusIMContext *context);
static void _slave_preedit_end_cb (GtkIMContext *slave,
IBusIMContext *context);
-static void _slave_retrieve_surrounding_cb
+static gboolean _slave_retrieve_surrounding_cb
(GtkIMContext *slave,
IBusIMContext *context);
-static void _slave_delete_surrounding_cb
+static gboolean _slave_delete_surrounding_cb
(GtkIMContext *slave,
gint offset_from_cursor,
guint nchars,
IBusIMContext *context);
static void _create_fake_input_context (void);
+static void _request_surrounding_text (IBusIMContext *context);
@@ -206,6 +213,16 @@ ibus_im_context_new (void)
return IBUS_IM_CONTEXT (obj);
}
+static void
+_request_surrounding_text (IBusIMContext *context)
+{
+ if (context->enable) {
+ gboolean return_value;
+ g_signal_emit (context, _signal_retrieve_surrounding_id, 0,
+ &return_value);
+ }
+}
+
static gint
_key_snooper_cb (GtkWidget *widget,
GdkEventKey *event,
@@ -245,6 +262,8 @@ _key_snooper_cb (GtkWidget *widget,
_input_window = event->window;
}
+ _request_surrounding_text (ibusimcontext);
+
switch (event->type) {
case GDK_KEY_RELEASE:
retval = ibus_input_context_process_key_event (ibuscontext,
@@ -291,6 +310,7 @@ ibus_im_context_class_init (IBusIMContextClass *klass)
im_context_class->set_client_window = ibus_im_context_set_client_window;
im_context_class->set_cursor_location = ibus_im_context_set_cursor_location;
im_context_class->set_use_preedit = ibus_im_context_set_use_preedit;
+ im_context_class->set_surrounding = ibus_im_context_set_surrounding;
gobject_class->finalize = ibus_im_context_finalize;
_signal_commit_id =
@@ -488,6 +508,8 @@ ibus_im_context_filter_keypress (GtkIMContext *context,
if (ibusimcontext->client_window == NULL && event->window != NULL)
gtk_im_context_set_client_window ((GtkIMContext *)ibusimcontext, event->window);
+ _request_surrounding_text (ibusimcontext);
+
switch (event->type) {
case GDK_KEY_RELEASE:
retval = ibus_input_context_process_key_event (ibusimcontext->ibuscontext,
@@ -552,6 +574,8 @@ ibus_im_context_focus_in (GtkIMContext *context)
g_object_weak_ref ((GObject *) context, _weak_notify_cb, NULL);
_focus_im_context = context;
}
+
+ _request_surrounding_text (ibusimcontext);
}
static void
@@ -723,6 +747,39 @@ ibus_im_context_set_use_preedit (GtkIMContext *context, gboolean use_preedit)
}
static void
+ibus_im_context_set_surrounding (GtkIMContext *context,
+ const gchar *text,
+ gint len,
+ gint cursor_index)
+{
+ g_return_if_fail (context != NULL);
+ g_return_if_fail (IBUS_IS_IM_CONTEXT (context));
+ g_return_if_fail (text != NULL);
+ g_return_if_fail (strlen (text) >= len);
+ g_return_if_fail (0 <= cursor_index && cursor_index <= len);
+
+ IBusIMContext *ibusimcontext = IBUS_IM_CONTEXT (context);
+
+ if (ibusimcontext->enable && ibusimcontext->ibuscontext) {
+ IBusText *ibustext;
+ guint cursor_pos;
+ gchar *p;
+
+ p = g_strndup (text, len);
+ cursor_pos = g_utf8_strlen (p, cursor_index);
+ ibustext = ibus_text_new_from_string (p);
+ g_free (p);
+ ibus_input_context_set_surrounding_text (ibusimcontext->ibuscontext,
+ ibustext,
+ cursor_pos);
+ }
+ gtk_im_context_set_surrounding (ibusimcontext->slave,
+ text,
+ len,
+ cursor_index);
+}
+
+static void
_bus_connected_cb (IBusBus *bus,
IBusIMContext *ibusimcontext)
{
@@ -741,6 +798,8 @@ _ibus_context_commit_text_cb (IBusInputContext *ibuscontext,
IDEBUG ("%s", __FUNCTION__);
g_signal_emit (ibusimcontext, _signal_commit_id, 0, text->text);
+
+ _request_surrounding_text (ibusimcontext);
}
static gboolean
@@ -1013,6 +1072,8 @@ _ibus_context_show_preedit_text_cb (IBusInputContext *ibuscontext,
ibusimcontext->preedit_visible = TRUE;
g_signal_emit (ibusimcontext, _signal_preedit_start_id, 0);
g_signal_emit (ibusimcontext, _signal_preedit_changed_id, 0);
+
+ _request_surrounding_text (ibusimcontext);
}
static void
@@ -1177,17 +1238,21 @@ _slave_preedit_end_cb (GtkIMContext *slave,
g_signal_emit (ibusimcontext, _signal_preedit_end_id, 0);
}
-static void
+static gboolean
_slave_retrieve_surrounding_cb (GtkIMContext *slave,
IBusIMContext *ibusimcontext)
{
+ gboolean return_value;
+
if (ibusimcontext->enable && ibusimcontext->ibuscontext) {
- return;
+ return FALSE;
}
- g_signal_emit (ibusimcontext, _signal_retrieve_surrounding_id, 0);
+ g_signal_emit (ibusimcontext, _signal_retrieve_surrounding_id, 0,
+ &return_value);
+ return return_value;
}
-static void
+static gboolean
_slave_delete_surrounding_cb (GtkIMContext *slave,
gint offset_from_cursor,
guint nchars,
@@ -1196,9 +1261,10 @@ _slave_delete_surrounding_cb (GtkIMContext *slave,
gboolean return_value;
if (ibusimcontext->enable && ibusimcontext->ibuscontext) {
- return;
+ return FALSE;
}
g_signal_emit (ibusimcontext, _signal_delete_surrounding_id, 0, offset_from_cursor, nchars, &return_value);
+ return return_value;
}
#ifdef OS_CHROMEOS
diff --git a/ibus/engine.py b/ibus/engine.py
index b1df2fe..ec42fa4 100644
--- a/ibus/engine.py
+++ b/ibus/engine.py
@@ -46,6 +46,9 @@ class EngineBase(object.Object):
def set_cursor_location(self, x, y, w, h):
pass
+ def set_surrounding_text(self, text, cursor_index):
+ pass
+
def set_capabilities(self, cap):
pass
@@ -163,6 +166,9 @@ class EngineProxy(interface.IEngine):
def SetCursorLocation(self, x, y, w, h):
return self.__engine.set_cursor_location(x, y, w, h)
+ def SetSurroundingText(self, text, cursor_index):
+ return self.__engine.set_surrounding_text(text, cursor_index)
+
def SetCapabilities(self, caps):
return self.__engine.set_capabilities(caps)
diff --git a/ibus/interface/iengine.py b/ibus/interface/iengine.py
index 4d42c2d..ee23efe 100644
--- a/ibus/interface/iengine.py
+++ b/ibus/interface/iengine.py
@@ -50,6 +50,9 @@ class IEngine(dbus.service.Object):
@method(in_signature="iiii")
def SetCursorLocation(self, x, y, w, h): pass
+ @method(in_signature="vu")
+ def SetSurroundingText(self, text, cursor_index): pass
+
@method(in_signature="u")
def SetCapabilities(self, cap): pass
diff --git a/ibus/interface/iinputcontext.py b/ibus/interface/iinputcontext.py
index 89f6dbd..2db1c9b 100644
--- a/ibus/interface/iinputcontext.py
+++ b/ibus/interface/iinputcontext.py
@@ -49,6 +49,9 @@ class IInputContext(dbus.service.Object):
@method(in_signature="iiii")
def SetCursorLocation(self, x, y, w, h): pass
+ @method(in_signature="vu")
+ def SetSurroundingText(self, text, cursor_index): pass
+
@method()
def FocusIn(self): pass
diff --git a/src/ibusengine.c b/src/ibusengine.c
index b5f53d4..da1e643 100644
--- a/src/ibusengine.c
+++ b/src/ibusengine.c
@@ -45,6 +45,7 @@ enum {
PROPERTY_SHOW,
PROPERTY_HIDE,
CANDIDATE_CLICKED,
+ SET_SURROUNDING_TEXT,
LAST_SIGNAL,
};
@@ -59,11 +60,16 @@ enum {
struct _IBusEnginePrivate {
gchar *name;
IBusConnection *connection;
+
+ IBusText *surrounding_text;
+ guint surrounding_cursor_pos;
};
typedef struct _IBusEnginePrivate IBusEnginePrivate;
static guint engine_signals[LAST_SIGNAL] = { 0 };
+static IBusText *text_empty = NULL;
+
/* functions prototype */
static void ibus_engine_destroy (IBusEngine *engine);
static void ibus_engine_set_property (IBusEngine *engine,
@@ -113,6 +119,10 @@ static void ibus_engine_property_show (IBusEngine *engine,
const gchar *prop_name);
static void ibus_engine_property_hide (IBusEngine *engine,
const gchar *prop_name);
+static void ibus_engine_set_surrounding_text
+ (IBusEngine *engine,
+ IBusText *text,
+ guint cursor_pos);
G_DEFINE_TYPE (IBusEngine, ibus_engine, IBUS_TYPE_SERVICE)
@@ -167,6 +177,7 @@ ibus_engine_class_init (IBusEngineClass *klass)
klass->property_hide = ibus_engine_property_hide;
klass->set_cursor_location = ibus_engine_set_cursor_location;
klass->set_capabilities = ibus_engine_set_capabilities;
+ klass->set_surrounding_text = ibus_engine_set_surrounding_text;
/* install properties */
@@ -544,6 +555,29 @@ ibus_engine_class_init (IBusEngineClass *klass)
1,
G_TYPE_STRING);
+ /**
+ * IBusEngine::set-surrounding-text:
+ * @engine: An IBusEngine.
+ *
+ * Emitted when a surrounding text is set.
+ * Implement the member function set_surrounding_text() in extended class to receive this signal.
+ *
+ * <note><para>Argument @user_data is ignored in this function.</para></note>
+ */
+ engine_signals[SET_SURROUNDING_TEXT] =
+ g_signal_new (I_("set-surrounding-text"),
+ G_TYPE_FROM_CLASS (gobject_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (IBusEngineClass, set_surrounding_text),
+ NULL, NULL,
+ ibus_marshal_VOID__OBJECT_UINT,
+ G_TYPE_NONE,
+ 2,
+ G_TYPE_OBJECT,
+ G_TYPE_UINT);
+
+ text_empty = ibus_text_new_from_static_string ("");
+ g_object_ref_sink (text_empty);
}
static void
@@ -554,6 +588,9 @@ ibus_engine_init (IBusEngine *engine)
priv->name = NULL;
priv->connection = NULL;
+
+ priv->surrounding_text = g_object_ref_sink (text_empty);
+ priv->surrounding_cursor_pos = 0;
}
static void
@@ -569,6 +606,11 @@ ibus_engine_destroy (IBusEngine *engine)
priv->connection = NULL;
}
+ if (priv->surrounding_text) {
+ g_object_unref (priv->surrounding_text);
+ priv->surrounding_text = NULL;
+ }
+
IBUS_OBJECT_CLASS(ibus_engine_parent_class)->destroy (IBUS_OBJECT (engine));
}
@@ -879,6 +921,33 @@ ibus_engine_ibus_message (IBusEngine *engine,
ibus_object_destroy ((IBusObject *) engine);
return TRUE;
}
+ else if (g_strcmp0 (name, "SetSurroundingText") == 0) {
+ IBusText *text;
+ guint cursor_pos;
+
+ retval = ibus_message_get_args (message,
+ &error,
+ IBUS_TYPE_TEXT, &text,
+ G_TYPE_UINT, &cursor_pos,
+ G_TYPE_INVALID);
+
+ if (!retval) {
+ reply = ibus_message_new_error_printf (message,
+ DBUS_ERROR_INVALID_ARGS,
+ "%s.%s: Can not match signature (u) of method",
+ IBUS_INTERFACE_ENGINE, "SetSurroundingText");
+ ibus_error_free (error);
+ }
+ else {
+ g_signal_emit (engine, engine_signals[SET_SURROUNDING_TEXT], 0,
+ text,
+ cursor_pos);
+ if (g_object_is_floating (text)) {
+ g_object_unref (text);
+ }
+ reply = ibus_message_new_method_return (message);
+ }
+ }
else {
reply = ibus_message_new_error_printf (message,
DBUS_ERROR_UNKNOWN_METHOD,
@@ -1003,6 +1072,26 @@ ibus_engine_property_hide (IBusEngine *engine, const gchar *prop_name)
}
static void
+ibus_engine_set_surrounding_text (IBusEngine *engine,
+ IBusText *text,
+ guint cursor_pos)
+{
+ g_assert (IBUS_IS_ENGINE (engine));
+
+ IBusEnginePrivate *priv;
+
+ priv = IBUS_ENGINE_GET_PRIVATE (engine);
+
+ if (priv->surrounding_text) {
+ g_object_unref (priv->surrounding_text);
+ }
+
+ priv->surrounding_text = (IBusText *) g_object_ref_sink (text ? text : text_empty);
+ priv->surrounding_cursor_pos = cursor_pos;
+ // g_debug ("set-surrounding-text ('%s', %d)", text->text, cursor_pos);
+}
+
+static void
_send_signal (IBusEngine *engine,
const gchar *name,
GType first_arg_type,
@@ -1203,6 +1292,19 @@ void ibus_engine_delete_surrounding_text (IBusEngine *engine,
gint offset_from_cursor,
guint nchars)
{
+ g_assert (IBUS_IS_ENGINE (engine));
+
+ IBusEnginePrivate *priv;
+
+ priv = IBUS_ENGINE_GET_PRIVATE (engine);
+
+ /* Clear the current surrounding-text buffer. */
+ if (priv->surrounding_text) {
+ g_object_unref (priv->surrounding_text);
+ priv->surrounding_text = g_object_ref_sink (text_empty);
+ priv->surrounding_cursor_pos = 0;
+ }
+
_send_signal (engine,
"DeleteSurroundingText",
G_TYPE_INT, &offset_from_cursor,
@@ -1211,6 +1313,23 @@ void ibus_engine_delete_surrounding_text (IBusEngine *engine,
}
void
+ibus_engine_get_surrounding_text (IBusEngine *engine,
+ IBusText **text,
+ guint *cursor_pos)
+{
+ IBusEnginePrivate *priv;
+
+ g_return_if_fail (IBUS_IS_ENGINE (engine));
+ g_return_if_fail (text != NULL);
+ g_return_if_fail (cursor_pos != NULL);
+
+ priv = IBUS_ENGINE_GET_PRIVATE (engine);
+
+ *text = g_object_ref (priv->surrounding_text);
+ *cursor_pos = priv->surrounding_cursor_pos;
+}
+
+void
ibus_engine_register_properties (IBusEngine *engine,
IBusPropList *prop_list)
{
diff --git a/src/ibusengine.h b/src/ibusengine.h
index 95be408..2c6e1d3 100644
--- a/src/ibusengine.h
+++ b/src/ibusengine.h
@@ -124,10 +124,14 @@ struct _IBusEngineClass {
guint index,
guint button,
guint state);
+ void (* set_surrounding_text)
+ (IBusEngine *engine,
+ IBusText *text,
+ guint cursor_index);
/*< private >*/
/* padding */
- gpointer pdummy[8];
+ gpointer pdummy[7];
};
GType ibus_engine_get_type (void);
@@ -367,6 +371,21 @@ void ibus_engine_delete_surrounding_text(IBusEngine *engine,
guint nchars);
/**
+ * ibus_engine_get_surrounding_text:
+ * @engine: An IBusEngine.
+ * @text: Location to store surrounding text.
+ * @cursor_pos: Cursor position in characters in @text.
+ *
+ * Get surrounding text.
+ *
+ * @see_also #IBusEngine::set-surrounding-text
+ */
+void ibus_engine_get_surrounding_text(IBusEngine *engine,
+ IBusText **text,
+ guint *cursor_pos);
+
+
+/**
* ibus_engine_get_name:
* @engine: An IBusEngine.
* @returns: Name of IBusEngine.
diff --git a/src/ibusinputcontext.c b/src/ibusinputcontext.c
index b00ad3b..158979e 100644
--- a/src/ibusinputcontext.c
+++ b/src/ibusinputcontext.c
@@ -58,12 +58,18 @@ enum {
/* BusInputContextPriv */
struct _IBusInputContextPrivate {
gboolean own;
+
+ /* surrounding text */
+ IBusText *surrounding_text;
+ guint surrounding_cursor_pos;
};
typedef struct _IBusInputContextPrivate IBusInputContextPrivate;
static guint context_signals[LAST_SIGNAL] = { 0 };
// static guint context_signals[LAST_SIGNAL] = { 0 };
+static IBusText *text_empty = NULL;
+
/* functions prototype */
static void ibus_input_context_real_destroy (IBusInputContext *context);
static gboolean ibus_input_context_ibus_signal (IBusProxy *proxy,
@@ -474,6 +480,9 @@ ibus_input_context_class_init (IBusInputContextClass *klass)
G_TYPE_NONE,
1,
IBUS_TYPE_PROPERTY);
+
+ text_empty = ibus_text_new_from_static_string ("");
+ g_object_ref_sink (text_empty);
}
static void
@@ -482,6 +491,8 @@ ibus_input_context_init (IBusInputContext *context)
IBusInputContextPrivate *priv;
priv = IBUS_INPUT_CONTEXT_GET_PRIVATE (context);
priv->own = TRUE;
+ priv->surrounding_text = g_object_ref_sink (text_empty);
+ priv->surrounding_cursor_pos = 0;
}
static void
@@ -496,6 +507,11 @@ ibus_input_context_real_destroy (IBusInputContext *context)
G_TYPE_INVALID);
}
+ if (priv->surrounding_text) {
+ g_object_unref (priv->surrounding_text);
+ priv->surrounding_text = NULL;
+ }
+
IBUS_OBJECT_CLASS(ibus_input_context_parent_class)->destroy (IBUS_OBJECT (context));
}
@@ -914,6 +930,33 @@ ibus_input_context_property_hide (IBusInputContext *context,
G_TYPE_INVALID);
}
+void
+ibus_input_context_set_surrounding_text (IBusInputContext *context,
+ IBusText *text,
+ guint32 cursor_pos)
+{
+ g_assert (IBUS_IS_INPUT_CONTEXT (context));
+ g_assert (IBUS_IS_TEXT (text));
+
+ IBusInputContextPrivate *priv;
+ priv = IBUS_INPUT_CONTEXT_GET_PRIVATE (context);
+
+ if (priv->surrounding_text == NULL ||
+ g_strcmp0 (text->text, priv->surrounding_text->text) != 0 ||
+ cursor_pos != priv->surrounding_cursor_pos) {
+ if (priv->surrounding_text)
+ g_object_unref (priv->surrounding_text);
+ priv->surrounding_text = (IBusText *) g_object_ref_sink (text);
+ priv->surrounding_cursor_pos = cursor_pos;
+
+ ibus_proxy_call ((IBusProxy *) context,
+ "SetSurroundingText",
+ IBUS_TYPE_TEXT, &text,
+ G_TYPE_UINT, &cursor_pos,
+ G_TYPE_INVALID);
+ }
+}
+
gboolean
ibus_input_context_is_enabled (IBusInputContext *context)
{
diff --git a/src/ibusinputcontext.h b/src/ibusinputcontext.h
index 0d508a1..7f3d3f6 100644
--- a/src/ibusinputcontext.h
+++ b/src/ibusinputcontext.h
@@ -36,6 +36,7 @@
#include "ibusproxy.h"
#include "ibusenginedesc.h"
+#include "ibustext.h"
/*
* Type macros.
@@ -267,6 +268,16 @@ IBusEngineDesc
void ibus_input_context_set_engine (IBusInputContext *context,
const gchar *name);
+/**
+ * ibus_input_context_set_surrounding_text:
+ * @context: An IBusInputContext.
+ * @text: An IBusText surrounding the current cursor on the application.
+ * @cursor_po: Current cursor position in characters in @text.
+*/
+void ibus_input_context_set_surrounding_text
+ (IBusInputContext *context,
+ IBusText *text,
+ guint32 cursor_pos);
G_END_DECLS
#endif
diff --git a/src/ibusmarshalers.list b/src/ibusmarshalers.list
index 4473dab..6f80970 100644
--- a/src/ibusmarshalers.list
+++ b/src/ibusmarshalers.list
@@ -13,6 +13,7 @@ VOID:INT,INT,INT,INT
VOID:UINT,UINT
VOID:INT,UINT
VOID:UINT,UINT,UINT
+VOID:OBJECT,UINT
VOID:OBJECT,UINT,BOOL
VOID:OBJECT,UINT,BOOL,UINT
VOID:OBJECT,BOOL
--
1.7.2.1