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cf977d166c
ibus/ibus-435880-surrounding-text.patch
Takao Fujiwara cf977d166c Updated to 1.3.99.20101202
2010-12-09 15:42:20 +09:00

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From 3ac76032c89fc3062a84fd824b4e53a7ae023841 Mon Sep 17 00:00:00 2001
From: Daiki Ueno <ueno@unixuser.org>
Date: Thu, 9 Dec 2010 15:03:54 +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 | 43 +++++++++++++
bus/engineproxy.h | 11 +++
bus/inputcontext.c | 32 +++++++++
client/gtk2/ibusimcontext.c | 93 ++++++++++++++++++++++++---
configure.ac | 14 ++++
ibus/engine.py | 6 ++
ibus/interface/iengine.py | 3 +
ibus/interface/iinputcontext.py | 3 +
src/ibusengine.c | 134 +++++++++++++++++++++++++++++++++++++++
src/ibusengine.h | 21 ++++++-
src/ibusinputcontext.c | 61 ++++++++++++++++++
src/ibusinputcontext.h | 11 +++
src/ibusmarshalers.list | 1 +
13 files changed, 421 insertions(+), 12 deletions(-)
diff --git a/bus/engineproxy.c b/bus/engineproxy.c
index 59d495d..01116c2 100644
--- a/bus/engineproxy.c
+++ b/bus/engineproxy.c
@@ -47,6 +47,10 @@ struct _BusEngineProxy {
/* a key mapping for the engine that converts keycode into keysym. the mapping is used only when use_sys_layout is FALSE. */
IBusKeymap *keymap;
/* private member */
+
+ /* surrounding text */
+ IBusText *surrounding_text;
+ guint surrounding_cursor_pos;
};
struct _BusEngineProxyClass {
@@ -83,6 +87,8 @@ enum {
static guint engine_signals[LAST_SIGNAL] = { 0 };
+static IBusText *text_empty = NULL;
+
/* functions prototype */
static void bus_engine_proxy_set_property (BusEngineProxy *engine,
guint prop_id,
@@ -330,11 +336,16 @@ bus_engine_proxy_class_init (BusEngineProxyClass *class)
G_TYPE_NONE,
1,
IBUS_TYPE_PROPERTY);
+
+ text_empty = ibus_text_new_from_static_string ("");
+ g_object_ref_sink (text_empty);
}
static void
bus_engine_proxy_init (BusEngineProxy *engine)
{
+ engine->surrounding_text = g_object_ref_sink (text_empty);
+ engine->surrounding_cursor_pos = 0;
}
static void
@@ -393,6 +404,11 @@ bus_engine_proxy_real_destroy (IBusProxy *proxy)
engine->keymap = NULL;
}
+ if (engine->surrounding_text) {
+ g_object_unref (engine->surrounding_text);
+ engine->surrounding_text = NULL;
+ }
+
IBUS_PROXY_CLASS (bus_engine_proxy_parent_class)->destroy ((IBusProxy *)engine);
}
@@ -926,6 +942,33 @@ void bus_engine_proxy_property_hide (BusEngineProxy *engine,
NULL);
}
+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) {
+ GVariant *variant = ibus_serializable_serialize ((IBusSerializable *)text);
+ 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;
+
+ g_dbus_proxy_call ((GDBusProxy *)engine,
+ "SetSurroundingText",
+ g_variant_new ("(vu)", variant, cursor_pos),
+ G_DBUS_CALL_FLAGS_NONE,
+ -1,
+ NULL,
+ NULL,
+ NULL);
+ }
+}
+
/* a macro to generate a function to call a nullary D-Bus method. */
#define DEFINE_FUNCTION(Name, name) \
void \
diff --git a/bus/engineproxy.h b/bus/engineproxy.h
index 5e658a4..2ad6ed4 100644
--- a/bus/engineproxy.h
+++ b/bus/engineproxy.h
@@ -210,5 +210,16 @@ void bus_engine_proxy_property_hide (BusEngineProxy *engine,
*/
gboolean bus_engine_proxy_is_enabled (BusEngineProxy *engine);
+/**
+ * bus_engine_proxy_set_surrounding_text:
+ *
+ * Call "SetSurroundingText" method of an engine asynchronously.
+ */
+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 7e522f3..de9f31f 100644
--- a/bus/inputcontext.c
+++ b/bus/inputcontext.c
@@ -247,6 +247,11 @@ static const gchar introspection_xml[] =
" <method name='GetEngine'>"
" <arg direction='out' type='v' name='desc' />"
" </method>"
+ " <method name='SetSurroundingText'>"
+ " <arg direction='in' type='v' name='text' />"
+ " <arg direction='in' type='u' name='cursor_pos' />"
+ " </method>"
+
/* signals */
" <signal name='CommitText'>"
" <arg type='v' name='text' />"
@@ -961,6 +966,32 @@ _ic_get_engine (BusInputContext *context,
* Handle a D-Bus method call whose destination and interface name are both "org.freedesktop.IBus.InputContext"
*/
static void
+_ic_set_surrounding_text (BusInputContext *context,
+ GVariant *parameters,
+ GDBusMethodInvocation *invocation)
+{
+ GVariant *variant = NULL;
+ IBusText *text;
+ guint cursor_pos = 0;
+
+ g_variant_get (parameters, "(vu)", &variant, &cursor_pos);
+ text = IBUS_TEXT (ibus_serializable_deserialize (variant));
+ g_variant_unref (variant);
+
+ 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);
+
+ g_dbus_method_invocation_return_value (invocation, NULL);
+}
+
+static void
bus_input_context_service_method_call (IBusService *service,
GDBusConnection *connection,
const gchar *sender,
@@ -999,6 +1030,7 @@ bus_input_context_service_method_call (IBusService *service,
{ "IsEnabled", _ic_is_enabled },
{ "SetEngine", _ic_set_engine },
{ "GetEngine", _ic_get_engine },
+ { "SetSurroundingText", _ic_set_surrounding_text},
};
gint i;
diff --git a/client/gtk2/ibusimcontext.c b/client/gtk2/ibusimcontext.c
index a6a11b4..0c15df9 100644
--- a/client/gtk2/ibusimcontext.c
+++ b/client/gtk2/ibusimcontext.c
@@ -106,6 +106,12 @@ 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);
@@ -124,14 +130,15 @@ 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
+ IBusIMContext *context);
+static gboolean _slave_delete_surrounding_cb
(GtkIMContext *slave,
- gint offset_from_cursor,
- guint nchars,
- IBusIMContext *context);
+ gint offset_from_cursor,
+ guint nchars,
+ IBusIMContext *context);
+static void _request_surrounding_text (IBusIMContext *context);
static GType _ibus_type_im_context = 0;
static GtkIMContextClass *parent_class = NULL;
@@ -196,6 +203,17 @@ ibus_im_context_new (void)
return IBUS_IM_CONTEXT (obj);
}
+static void
+_request_surrounding_text (IBusIMContext *context)
+{
+ if (context->enable &&
+ (context->caps & IBUS_CAP_SURROUNDING_TEXT)) {
+ gboolean return_value;
+ g_signal_emit (context, _signal_retrieve_surrounding_id, 0,
+ &return_value);
+ }
+}
+
static gint
_key_snooper_cb (GtkWidget *widget,
GdkEventKey *event,
@@ -223,6 +241,8 @@ _key_snooper_cb (GtkWidget *widget,
if (G_UNLIKELY (event->state & IBUS_IGNORED_MASK))
return FALSE;
+ _request_surrounding_text (ibusimcontext);
+
switch (event->type) {
case GDK_KEY_RELEASE:
retval = ibus_input_context_process_key_event (ibuscontext,
@@ -269,6 +289,7 @@ ibus_im_context_class_init (IBusIMContextClass *class)
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 =
@@ -367,7 +388,11 @@ ibus_im_context_init (GObject *obj)
ibusimcontext->ibuscontext = NULL;
ibusimcontext->has_focus = FALSE;
+#ifdef ENABLE_SURROUNDING
ibusimcontext->caps = IBUS_CAP_PREEDIT_TEXT | IBUS_CAP_FOCUS | IBUS_CAP_SURROUNDING_TEXT;
+#else
+ ibusimcontext->caps = IBUS_CAP_PREEDIT_TEXT | IBUS_CAP_FOCUS;
+#endif
// Create slave im context
@@ -459,6 +484,8 @@ 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,
@@ -516,6 +543,8 @@ ibus_im_context_focus_in (GtkIMContext *context)
(gpointer *) &_focus_im_context);
_focus_im_context = context;
}
+
+ _request_surrounding_text (ibusimcontext);
}
static void
@@ -689,6 +718,39 @@ 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)
{
@@ -704,6 +766,8 @@ _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
@@ -976,6 +1040,8 @@ _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
@@ -1139,17 +1205,21 @@ _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,
@@ -1158,8 +1228,9 @@ _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;
}
diff --git a/configure.ac b/configure.ac
index ea0d32b..1347991 100644
--- a/configure.ac
+++ b/configure.ac
@@ -405,6 +405,19 @@ AC_ARG_WITH(no-snooper-apps,
AC_DEFINE_UNQUOTED(NO_SNOOPER_APPS, "$NO_SNOOPER_APPS",
[Does not enbale keyboard snooper in those applications])
+# option for enable surrounding-text
+AC_ARG_ENABLE(surrounding-text,
+ AS_HELP_STRING([--enable-surrounding-text],
+ [Enable surrounding-text support]),
+ [enable_surrounding_text=$enableval],
+ [enable_surrounding_text=no]
+)
+if test x"$enable_surrounding_text" = x"yes"; then
+ AC_DEFINE(ENABLE_SURROUNDING, TRUE, [Enable surrounding-text support])
+else
+ enable_surrounding_text="no (disabled, use --enable-surrounding-text to enable)"
+fi
+
# check iso-codes
PKG_CHECK_MODULES(ISOCODES, [
iso-codes
@@ -477,5 +490,6 @@ Build options:
Build document $enable_gtk_doc
Enable key snooper $enable_key_snooper
No snooper regexes "$NO_SNOOPER_APPS"
+ Enable surrounding-text $enable_surrounding_text
])
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 2386c0f..5db2012 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 ae07393..777d404 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,
};
@@ -58,10 +59,15 @@ enum {
struct _IBusEnginePrivate {
gchar *engine_name;
GDBusConnection *connection;
+
+ IBusText *surrounding_text;
+ guint surrounding_cursor_pos;
};
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,
@@ -135,6 +141,10 @@ 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);
static void ibus_engine_emit_signal (IBusEngine *engine,
const gchar *signal_name,
GVariant *parameters);
@@ -245,6 +255,7 @@ ibus_engine_class_init (IBusEngineClass *class)
class->property_hide = ibus_engine_property_hide;
class->set_cursor_location = ibus_engine_set_cursor_location;
class->set_capabilities = ibus_engine_set_capabilities;
+ class->set_surrounding_text = ibus_engine_set_surrounding_text;
/* install properties */
/**
@@ -611,12 +622,39 @@ ibus_engine_class_init (IBusEngineClass *class)
G_TYPE_STRING);
g_type_class_add_private (class, sizeof (IBusEnginePrivate));
+
+ /**
+ * 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
ibus_engine_init (IBusEngine *engine)
{
engine->priv = IBUS_ENGINE_GET_PRIVATE (engine);
+
+ engine->priv->surrounding_text = g_object_ref_sink (text_empty);
+ engine->priv->surrounding_cursor_pos = 0;
}
static void
@@ -625,6 +663,11 @@ ibus_engine_destroy (IBusEngine *engine)
g_free (engine->priv->engine_name);
engine->priv->engine_name = NULL;
+ if (engine->priv->surrounding_text) {
+ g_object_unref (engine->priv->surrounding_text);
+ engine->priv->surrounding_text = NULL;
+ }
+
IBUS_OBJECT_CLASS(ibus_engine_parent_class)->destroy (IBUS_OBJECT (engine));
}
@@ -796,6 +839,25 @@ ibus_engine_service_method_call (IBusService *service,
return;
}
+ if (g_strcmp0 (method_name, "SetSurroundingText") == 0) {
+ GVariant *variant = NULL;
+ IBusText *text;
+ guint cursor_pos;
+
+ g_variant_get (parameters, "(vu)", &variant, &cursor_pos);
+ text = IBUS_TEXT (ibus_serializable_deserialize (variant));
+ g_variant_unref (variant);
+
+ g_signal_emit (engine, engine_signals[SET_SURROUNDING_TEXT], 0,
+ text,
+ cursor_pos);
+ if (g_object_is_floating (text)) {
+ g_object_unref (text);
+ }
+ g_dbus_method_invocation_return_value (invocation, NULL);
+ return;
+ }
+
/* should not be reached */
g_return_if_reached ();
}
@@ -950,6 +1012,26 @@ 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
ibus_engine_emit_signal (IBusEngine *engine,
const gchar *signal_name,
GVariant *parameters)
@@ -1133,14 +1215,66 @@ void ibus_engine_delete_surrounding_text (IBusEngine *engine,
gint offset_from_cursor,
guint nchars)
{
+ IBusEnginePrivate *priv;
+
g_return_if_fail (IBUS_IS_ENGINE (engine));
+ priv = IBUS_ENGINE_GET_PRIVATE (engine);
+
+ /* Update surrounding-text cache. This is necessary since some
+ engines call ibus_engine_get_surrounding_text() immediately
+ after ibus_engine_delete_surrounding_text(). */
+ if (priv->surrounding_text) {
+ IBusText *text;
+ glong cursor_pos, len;
+
+ cursor_pos = priv->surrounding_cursor_pos + offset_from_cursor;
+ len = ibus_text_get_length (priv->surrounding_text);
+ if (cursor_pos >= 0 && len - cursor_pos >= nchars) {
+ gunichar *ucs;
+
+ ucs = g_utf8_to_ucs4_fast (priv->surrounding_text->text,
+ -1,
+ NULL);
+ memmove (&ucs[cursor_pos],
+ &ucs[cursor_pos + nchars],
+ sizeof(gunichar) * (len - cursor_pos - nchars));
+ ucs[len - nchars] = 0;
+ text = ibus_text_new_from_ucs4 (ucs);
+ g_free (ucs);
+ priv->surrounding_cursor_pos = cursor_pos;
+ } else {
+ text = text_empty;
+ priv->surrounding_cursor_pos = 0;
+ }
+
+ g_object_unref (priv->surrounding_text);
+ priv->surrounding_text = g_object_ref_sink (text);
+ }
+
ibus_engine_emit_signal (engine,
"DeleteSurroundingText",
g_variant_new ("(iu)", offset_from_cursor, nchars));
}
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 46d0a04..a5f5aea 100644
--- a/src/ibusengine.h
+++ b/src/ibusengine.h
@@ -136,10 +136,14 @@ 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);
@@ -394,6 +398,21 @@ 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 fc26a7c..4f08401 100644
--- a/src/ibusinputcontext.c
+++ b/src/ibusinputcontext.c
@@ -59,13 +59,20 @@ 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 (IBusProxy *context);
static void ibus_input_context_g_signal (GDBusProxy *proxy,
const gchar *sender_name,
const gchar *signal_name,
@@ -76,10 +83,13 @@ G_DEFINE_TYPE (IBusInputContext, ibus_input_context, IBUS_TYPE_PROXY)
static void
ibus_input_context_class_init (IBusInputContextClass *class)
{
+ IBusProxyClass *ibus_proxy_class = IBUS_PROXY_CLASS (class);
GDBusProxyClass *g_dbus_proxy_class = G_DBUS_PROXY_CLASS (class);
g_type_class_add_private (class, sizeof (IBusInputContextPrivate));
+ ibus_proxy_class->destroy = ibus_input_context_real_destroy;
+
g_dbus_proxy_class->g_signal = ibus_input_context_g_signal;
/* install signals */
@@ -442,6 +452,9 @@ ibus_input_context_class_init (IBusInputContextClass *class)
G_TYPE_NONE,
1,
IBUS_TYPE_PROPERTY);
+
+ text_empty = ibus_text_new_from_static_string ("");
+ g_object_ref_sink (text_empty);
}
static void
@@ -450,6 +463,22 @@ 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
+ibus_input_context_real_destroy (IBusProxy *context)
+{
+ IBusInputContextPrivate *priv;
+ priv = IBUS_INPUT_CONTEXT_GET_PRIVATE (IBUS_INPUT_CONTEXT (context));
+
+ if (priv->surrounding_text) {
+ g_object_unref (priv->surrounding_text);
+ priv->surrounding_text = NULL;
+ }
+
+ IBUS_PROXY_CLASS(ibus_input_context_parent_class)->destroy (context);
}
static void
@@ -821,6 +850,38 @@ ibus_input_context_property_hide (IBusInputContext *context,
);
}
+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) {
+ GVariant *variant = ibus_serializable_serialize ((IBusSerializable *)text);
+ 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;
+
+ g_dbus_proxy_call ((GDBusProxy *) context,
+ "SetSurroundingText", /* method_name */
+ g_variant_new ("(vu)", variant, cursor_pos), /* parameters */
+ G_DBUS_CALL_FLAGS_NONE, /* flags */
+ -1, /* timeout */
+ NULL, /* cancellable */
+ NULL, /* callback */
+ NULL /* user_data */
+ );
+ }
+}
+
gboolean
ibus_input_context_is_enabled (IBusInputContext *context)
{
diff --git a/src/ibusinputcontext.h b/src/ibusinputcontext.h
index 8b1f16c..fb65348 100644
--- a/src/ibusinputcontext.h
+++ b/src/ibusinputcontext.h
@@ -41,6 +41,7 @@
#include "ibusproxy.h"
#include "ibusenginedesc.h"
+#include "ibustext.h"
/*
* Type macros.
@@ -279,6 +280,16 @@ 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 5184278..5dc7fc2 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
--
1.7.3.2
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