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efl/src/modules/ecore/immodules/scim/scim_imcontext.cpp

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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define Uses_SCIM_DEBUG
#define Uses_SCIM_BACKEND
#define Uses_SCIM_IMENGINE_MODULE
#define Uses_SCIM_HOTKEY
#define Uses_SCIM_PANEL_CLIENT
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/time.h>
#include <sys/times.h>
#include <unistd.h>
#include <pthread.h>
#include <Ecore_Evas.h>
#include <Ecore_X.h>
#include <Ecore.h>
#include <Evas.h>
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/Xutil.h>
#include <scim.h>
#include "scim_imcontext.h"
using namespace scim;
struct _EcoreIMFContextISFImpl
{
EcoreIMFContextISF *parent;
IMEngineInstancePointer si;
Ecore_X_Window client_window;
Evas *client_canvas;
Ecore_IMF_Input_Mode input_mode;
WideString preedit_string;
AttributeList preedit_attrlist;
Ecore_IMF_Autocapital_Type autocapital_type;
int preedit_caret;
int cursor_x;
int cursor_y;
int cursor_pos;
bool use_preedit;
bool is_on;
bool shared_si;
bool preedit_started;
bool preedit_updating;
bool need_commit_preedit;
bool uppercase;
bool prediction_allow;
EcoreIMFContextISFImpl *next;
};
/* Input Context handling functions. */
static EcoreIMFContextISFImpl *new_ic_impl (EcoreIMFContextISF *parent);
static void delete_ic_impl (EcoreIMFContextISFImpl *impl);
static void delete_all_ic_impl (void);
static EcoreIMFContextISF *find_ic (int id);
/* private functions */
static void panel_slot_reload_config (int context);
static void panel_slot_exit (int context);
static void panel_slot_update_lookup_table_page_size(int context,
int page_size);
static void panel_slot_lookup_table_page_up (int context);
static void panel_slot_lookup_table_page_down (int context);
static void panel_slot_trigger_property (int context,
const String &property);
static void panel_slot_process_helper_event (int context,
const String &target_uuid,
const String &helper_uuid,
const Transaction &trans);
static void panel_slot_move_preedit_caret (int context,
int caret_pos);
static void panel_slot_select_candidate (int context,
int cand_index);
static void panel_slot_process_key_event (int context,
const KeyEvent &key);
static void panel_slot_commit_string (int context,
const WideString &wstr);
static void panel_slot_forward_key_event (int context,
const KeyEvent &key);
static void panel_slot_request_help (int context);
static void panel_slot_request_factory_menu (int context);
static void panel_slot_change_factory (int context,
const String &uuid);
static void panel_req_focus_in (EcoreIMFContextISF *ic);
static void panel_req_update_factory_info (EcoreIMFContextISF *ic);
static void panel_req_update_spot_location (EcoreIMFContextISF *ic);
static void panel_req_show_help (EcoreIMFContextISF *ic);
static void panel_req_show_factory_menu (EcoreIMFContextISF *ic);
/* Panel iochannel handler*/
static bool panel_initialize (void);
static void panel_finalize (void);
static Eina_Bool panel_iochannel_handler (void *data,
Ecore_Fd_Handler *fd_handler);
/* utility functions */
static bool filter_hotkeys (EcoreIMFContextISF *ic,
const KeyEvent &key);
static void turn_on_ic (EcoreIMFContextISF *ic);
static void turn_off_ic (EcoreIMFContextISF *ic);
static void set_ic_capabilities (EcoreIMFContextISF *ic);
static void initialize (void);
static void finalize (void);
static void open_next_factory (EcoreIMFContextISF *ic);
static void open_previous_factory (EcoreIMFContextISF *ic);
static void open_specific_factory (EcoreIMFContextISF *ic,
const String &uuid);
static void initialize_modifier_bits (Display *display);
static unsigned int scim_x11_keymask_scim_to_x11 (Display *display, uint16 scimkeymask);
static XKeyEvent createKeyEvent (Display *display, Window &win,
Window &winRoot, bool press,
int keycode, int modifiers);
static void _x_send_key_event (const KeyEvent &key);
static void attach_instance (const IMEngineInstancePointer &si);
/* slot functions */
static void slot_show_preedit_string (IMEngineInstanceBase *si);
static void slot_show_aux_string (IMEngineInstanceBase *si);
static void slot_show_lookup_table (IMEngineInstanceBase *si);
static void slot_hide_preedit_string (IMEngineInstanceBase *si);
static void slot_hide_aux_string (IMEngineInstanceBase *si);
static void slot_hide_lookup_table (IMEngineInstanceBase *si);
static void slot_update_preedit_caret (IMEngineInstanceBase *si,
int caret);
static void slot_update_preedit_string (IMEngineInstanceBase *si,
const WideString &str,
const AttributeList &attrs);
static void slot_update_aux_string (IMEngineInstanceBase *si,
const WideString &str,
const AttributeList &attrs);
static void slot_commit_string (IMEngineInstanceBase *si,
const WideString &str);
static void slot_forward_key_event (IMEngineInstanceBase *si,
const KeyEvent &key);
static void slot_update_lookup_table (IMEngineInstanceBase *si,
const LookupTable &table);
static void slot_register_properties (IMEngineInstanceBase *si,
const PropertyList &properties);
static void slot_update_property (IMEngineInstanceBase *si,
const Property &property);
static void slot_beep (IMEngineInstanceBase *si);
static void slot_start_helper (IMEngineInstanceBase *si,
const String &helper_uuid);
static void slot_stop_helper (IMEngineInstanceBase *si,
const String &helper_uuid);
static void slot_send_helper_event (IMEngineInstanceBase *si,
const String &helper_uuid,
const Transaction &trans);
static bool slot_get_surrounding_text (IMEngineInstanceBase *si,
WideString &text,
int &cursor,
int maxlen_before,
int maxlen_after);
static bool slot_delete_surrounding_text (IMEngineInstanceBase *si,
int offset,
int len);
static void reload_config_callback (const ConfigPointer &config);
static void fallback_commit_string_cb (IMEngineInstanceBase *si,
const WideString &str);
static void caps_mode_check (Ecore_IMF_Context *ctx, Eina_Bool force);
/* Local variables declaration */
static String _language;
static EcoreIMFContextISFImpl *_used_ic_impl_list = 0;
static EcoreIMFContextISFImpl *_free_ic_impl_list = 0;
static EcoreIMFContextISF *_ic_list = 0;
static KeyboardLayout _keyboard_layout = SCIM_KEYBOARD_Default;
static int _valid_key_mask = SCIM_KEY_AllMasks;
static FrontEndHotkeyMatcher _frontend_hotkey_matcher;
static IMEngineHotkeyMatcher _imengine_hotkey_matcher;
static IMEngineInstancePointer _default_instance;
static ConfigModule *_config_module = 0;
static ConfigPointer _config;
static BackEndPointer _backend;
static EcoreIMFContextISF *_focused_ic = 0;
static bool _scim_initialized = false;
static int _instance_count = 0;
static int _context_count = 0;
static IMEngineFactoryPointer _fallback_factory;
static IMEngineInstancePointer _fallback_instance;
static PanelClient _panel_client;
static Ecore_Fd_Handler *_panel_iochannel_read_handler = 0;
static Ecore_Fd_Handler *_panel_iochannel_err_handler = 0;
static Ecore_X_Window _client_window = 0;
static bool _on_the_spot = true;
static bool _shared_input_method = false;
static Eina_Bool autocap_allow = EINA_FALSE;
static Display *__current_display = 0;
static int __current_alt_mask = Mod1Mask;
static int __current_meta_mask = 0;
static int __current_super_mask = 0;
static int __current_hyper_mask = 0;
static int __current_numlock_mask = Mod2Mask;
// A hack to shutdown the immodule cleanly even if im_module_exit() is not called when exiting.
class FinalizeHandler
{
public:
FinalizeHandler()
{
SCIM_DEBUG_FRONTEND(1) << "FinalizeHandler::FinalizeHandler()\n";
}
~FinalizeHandler()
{
SCIM_DEBUG_FRONTEND(1) << "FinalizeHandler::~FinalizeHandler()\n";
isf_imf_context_shutdown();
}
};
static FinalizeHandler _finalize_handler;
static unsigned int
utf8_offset_to_index(const char *str, int offset)
{
int index = 0;
int i;
for (i = 0; i < offset; i++)
{
eina_unicode_utf8_get_next(str, &index);
}
return index;
}
static unsigned int
get_time(void)
{
unsigned int tint;
struct timeval tv;
struct timezone tz; /* is not used since ages */
gettimeofday(&tv, &tz);
tint = tv.tv_sec * 1000;
tint = tint / 1000 * 1000;
tint = tint + tv.tv_usec / 1000;
return tint;
}
/* Function Implementations */
static EcoreIMFContextISFImpl *
new_ic_impl(EcoreIMFContextISF *parent)
{
EcoreIMFContextISFImpl *impl = NULL;
if (_free_ic_impl_list != NULL)
{
impl = _free_ic_impl_list;
_free_ic_impl_list = _free_ic_impl_list->next;
}
else
{
impl = new EcoreIMFContextISFImpl;
if (impl == NULL)
return NULL;
}
impl->uppercase = false;
impl->autocapital_type = ECORE_IMF_AUTOCAPITAL_TYPE_NONE;
impl->next = _used_ic_impl_list;
_used_ic_impl_list = impl;
impl->parent = parent;
return impl;
}
static void
delete_ic_impl(EcoreIMFContextISFImpl *impl)
{
EcoreIMFContextISFImpl *rec = _used_ic_impl_list, *last = 0;
for (; rec != 0; last = rec, rec = rec->next)
{
if (rec == impl)
{
if (last != 0)
last->next = rec->next;
else
_used_ic_impl_list = rec->next;
rec->next = _free_ic_impl_list;
_free_ic_impl_list = rec;
rec->parent = 0;
rec->si.reset();
rec->client_window = 0;
rec->preedit_string = WideString();
rec->preedit_attrlist.clear();
return;
}
}
}
static void
delete_all_ic_impl(void)
{
EcoreIMFContextISFImpl *it = _used_ic_impl_list;
while (it != 0)
{
_used_ic_impl_list = it->next;
delete it;
it = _used_ic_impl_list;
}
it = _free_ic_impl_list;
while (it != 0)
{
_free_ic_impl_list = it->next;
delete it;
it = _free_ic_impl_list;
}
}
static EcoreIMFContextISF *
find_ic(int id)
{
EcoreIMFContextISFImpl *rec = _used_ic_impl_list;
while (rec != 0)
{
if (rec->parent && rec->parent->id == id)
return rec->parent;
rec = rec->next;
}
return 0;
}
static Eina_Bool
analyze_surrounding_text(Ecore_IMF_Context *ctx)
{
char *plain_str = NULL;
char *markup_str = NULL;
const char *puncs[] = {". ", "! ", "? "};
Eina_Bool ret = EINA_FALSE;
int cursor_pos = 0;
int i = 0;
Eina_Unicode *tail = NULL;
Eina_Unicode *ustr = NULL;
const int punc_num = sizeof(puncs) / sizeof(puncs[0]);
Eina_Unicode *uni_puncs[punc_num];
EcoreIMFContextISF *context_scim;
if (!ctx) return EINA_FALSE;
context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
if (!context_scim || !context_scim->impl) return EINA_FALSE;
switch (context_scim->impl->autocapital_type)
{
case ECORE_IMF_AUTOCAPITAL_TYPE_NONE:
return EINA_FALSE;
case ECORE_IMF_AUTOCAPITAL_TYPE_ALLCHARACTER:
return EINA_TRUE;
default:
break;
}
for (i = 0; i < punc_num; i++)
uni_puncs[i] = eina_unicode_utf8_to_unicode(puncs[i], NULL);
ecore_imf_context_surrounding_get(ctx, &markup_str, &cursor_pos);
if (!markup_str) goto done;
if (cursor_pos == 0)
{
ret = EINA_TRUE;
goto done;
}
// Convert into plain string
plain_str = evas_textblock_text_markup_to_utf8(NULL, markup_str);
if (!plain_str) goto done;
// Convert string from UTF-8 to unicode
ustr = eina_unicode_utf8_to_unicode(plain_str, NULL);
if (!ustr) goto done;
if (cursor_pos >= 1)
{
if (context_scim->impl->autocapital_type == ECORE_IMF_AUTOCAPITAL_TYPE_WORD)
{
if (ustr[cursor_pos-1] == ' ')
{
ret = EINA_TRUE;
goto done;
}
}
// Check paragraph separator <PS> and carriage return <br>
if ((ustr[cursor_pos-1] == 0x2029) || (ustr[cursor_pos-1] == '\n'))
{
ret = EINA_TRUE;
goto done;
}
}
// check punctuation
if (cursor_pos >= 2)
{
tail = eina_unicode_strndup(ustr+cursor_pos-2, 2);
if (tail)
{
for (i = 0; i < punc_num; i++)
{
if (!eina_unicode_strcmp(tail, uni_puncs[i]))
{
ret = EINA_TRUE;
break;
}
}
free(tail);
tail = NULL;
}
}
done:
if (ustr) free(ustr);
if (markup_str) free(markup_str);
if (plain_str) free(plain_str);
for (i = 0; i < punc_num; i++)
if (uni_puncs[i]) free(uni_puncs[i]);
return ret;
}
static void
caps_mode_check(Ecore_IMF_Context *ctx, Eina_Bool force)
{
Eina_Bool uppercase;
EcoreIMFContextISF *context_scim;
if (!ctx) return;
context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
if (autocap_allow == EINA_FALSE)
return;
// Check autocapital type
if (!context_scim || !context_scim->impl)
return;
if (analyze_surrounding_text(ctx))
uppercase = EINA_TRUE;
else
uppercase = EINA_FALSE;
if (force)
context_scim->impl->uppercase = uppercase;
else
if (context_scim->impl->uppercase != uppercase)
context_scim->impl->uppercase = uppercase;
}
static void
feed_key_event(Evas *evas, const char *str, Eina_Bool fake)
{
char key_string[128] = {0};
unsigned int timestamp = 0;
if (!fake)
timestamp = get_time();
if (strncmp(str, "KeyRelease+", 11) == 0)
{
strncpy(key_string, str + 11, strlen(str)-11);
evas_event_feed_key_up(evas, key_string, key_string, NULL, NULL, timestamp, NULL);
SCIM_DEBUG_FRONTEND(1) << " evas_event_feed_key_up()...\n";
}
else
{
strncpy(key_string, str, strlen(str));
evas_event_feed_key_down(evas, key_string, key_string, NULL, NULL, timestamp, NULL);
SCIM_DEBUG_FRONTEND(1) << " evas_event_feed_key_down()...\n";
}
}
static void
window_to_screen_geometry_get(Ecore_X_Window client_win, int *x, int *y)
{
Ecore_X_Window root_window, win;
int win_x, win_y;
int sum_x = 0, sum_y = 0;
root_window = ecore_x_window_root_get(client_win);
win = client_win;
while (root_window != win)
{
ecore_x_window_geometry_get(win, &win_x, &win_y, NULL, NULL);
sum_x += win_x;
sum_y += win_y;
win = ecore_x_window_parent_get(win);
}
if (x)
*x = sum_x;
if (y)
*y = sum_y;
}
/* Public functions */
/**
* isf_imf_context_new
*
* This function will be called by Ecore IMF.
* Create a instance of type EcoreIMFContextISF.
*
* Return value: A pointer to the newly created EcoreIMFContextISF instance
*/
EAPI EcoreIMFContextISF *
isf_imf_context_new(void)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
char *env;
EcoreIMFContextISF *context_scim = new EcoreIMFContextISF;
if (context_scim == NULL)
{
std::cerr << "memory allocation failed in " << __FUNCTION__ << "\n";
return NULL;
}
context_scim->id = _context_count++;
if (!_scim_initialized)
{
initialize();
_scim_initialized = true;
}
env = getenv("ECORE_IMF_AUTOCAPITAL_ALLOW");
if (env)
autocap_allow = !!atoi(env);
return context_scim;
}
/**
* isf_imf_context_shutdown
*
* It will be called when the scim im module is unloaded by ecore. It will do some
* cleanup job.
*/
EAPI void
isf_imf_context_shutdown(void)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
if (_scim_initialized)
{
_scim_initialized = false;
finalize();
}
}
EAPI void
isf_imf_context_add(Ecore_IMF_Context *ctx)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF*)ecore_imf_context_data_get(ctx);
if (!context_scim) return;
context_scim->impl = NULL;
if (_backend.null())
return;
IMEngineInstancePointer si;
// Use the default instance if "shared input method" mode is enabled.
if (_shared_input_method && !_default_instance.null())
{
si = _default_instance;
SCIM_DEBUG_FRONTEND(2) << "use default instance: " << si->get_id() << " " << si->get_factory_uuid() << "\n";
}
// Not in "shared input method" mode, or no default instance, create an instance.
if (si.null())
{
IMEngineFactoryPointer factory = _backend->get_default_factory(_language, "UTF-8");
if (factory.null()) return;
si = factory->create_instance("UTF-8", _instance_count++);
if (si.null()) return;
attach_instance(si);
SCIM_DEBUG_FRONTEND(2) << "create new instance: " << si->get_id() << " " << si->get_factory_uuid() << "\n";
}
// If "shared input method" mode is enabled, and there is no default instance,
// then store this instance as default one.
if (_shared_input_method && _default_instance.null())
{
SCIM_DEBUG_FRONTEND(2) << "update default instance.\n";
_default_instance = si;
}
context_scim->ctx = ctx;
context_scim->impl = new_ic_impl(context_scim);
if (context_scim->impl == NULL)
{
std::cerr << "memory allocation failed in " << __FUNCTION__ << "\n";
return;
}
context_scim->impl->si = si;
context_scim->impl->client_window = 0;
context_scim->impl->client_canvas = NULL;
context_scim->impl->preedit_caret = 0;
context_scim->impl->cursor_x = 0;
context_scim->impl->cursor_y = 0;
context_scim->impl->cursor_pos = -1;
context_scim->impl->is_on = false;
context_scim->impl->shared_si = _shared_input_method;
context_scim->impl->use_preedit = _on_the_spot;
context_scim->impl->preedit_started = false;
context_scim->impl->preedit_updating = false;
context_scim->impl->need_commit_preedit = false;
if (!_ic_list)
context_scim->next = NULL;
else
context_scim->next = _ic_list;
_ic_list = context_scim;
if (_shared_input_method)
context_scim->impl->is_on = _config->read(String(SCIM_CONFIG_FRONTEND_IM_OPENED_BY_DEFAULT), context_scim->impl->is_on);
_panel_client.prepare(context_scim->id);
_panel_client.register_input_context(context_scim->id, si->get_factory_uuid());
set_ic_capabilities(context_scim);
_panel_client.send();
SCIM_DEBUG_FRONTEND(2) << "input context created: id = " << context_scim->id << "\n";
}
EAPI void
isf_imf_context_del(Ecore_IMF_Context *ctx)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
if (!_ic_list) return;
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF*)ecore_imf_context_data_get(ctx);
if (context_scim)
{
if (context_scim->id != _ic_list->id)
{
EcoreIMFContextISF * pre = _ic_list;
EcoreIMFContextISF * cur = _ic_list->next;
while (cur != NULL)
{
if (cur->id == context_scim->id)
{
pre->next = cur->next;
break;
}
pre = cur;
cur = cur->next;
}
}
else
_ic_list = _ic_list->next;
}
if (context_scim && context_scim->impl)
{
_panel_client.prepare(context_scim->id);
if (context_scim == _focused_ic)
context_scim->impl->si->focus_out();
// Delete the instance.
EcoreIMFContextISF *old_focused = _focused_ic;
_focused_ic = context_scim;
context_scim->impl->si.reset();
_focused_ic = old_focused;
if (context_scim == _focused_ic)
{
_panel_client.turn_off(context_scim->id);
_panel_client.focus_out(context_scim->id);
}
_panel_client.remove_input_context(context_scim->id);
_panel_client.send();
if (context_scim->impl->client_window)
isf_imf_context_client_window_set(ctx, NULL);
if (context_scim->impl)
{
delete_ic_impl(context_scim->impl);
context_scim->impl = 0;
}
}
if (context_scim == _focused_ic)
_focused_ic = 0;
if (context_scim)
{
delete context_scim;
context_scim = 0;
}
}
/**
* isf_imf_context_client_canvas_set
* @ctx: a #Ecore_IMF_Context
* @canvas: the client canvas
*
* This function will be called by Ecore IMF.
*
* Set the client canvas for the Input Method Context; this is the canvas
* in which the input appears.
*
* The canvas type can be determined by using the context canvas type.
* Actually only canvas with type "evas" (Evas *) is supported. This canvas
* may be used in order to correctly position status windows, and may also
* be used for purposes internal to the Input Method Context.
*/
EAPI void
isf_imf_context_client_canvas_set(Ecore_IMF_Context *ctx, void *canvas)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
if (context_scim && context_scim->impl && context_scim->impl->client_canvas != (Evas*) canvas)
context_scim->impl->client_canvas = (Evas*)canvas;
}
/**
* isf_imf_context_client_window_set
* @ctx: a #Ecore_IMF_Context
* @window: the client window
*
* This function will be called by Ecore IMF.
*
* Set the client window for the Input Method Context; this is the Ecore_X_Window
* when using X11, Ecore_Win32_Window when using Win32, etc.
*
* This window is used in order to correctly position status windows,
* and may also be used for purposes internal to the Input Method Context.
*/
EAPI void
isf_imf_context_client_window_set(Ecore_IMF_Context *ctx, void *window)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
if (context_scim && context_scim->impl && context_scim->impl->client_window != (Ecore_X_Window)((Ecore_Window)window))
{
context_scim->impl->client_window = (Ecore_X_Window)((Ecore_Window)window);
if ((context_scim->impl->client_window != 0) &&
(context_scim->impl->client_window != _client_window))
_client_window = context_scim->impl->client_window;
}
}
/**
* isf_imf_context_reset
* @ctx: a #Ecore_IMF_Context
*
* This function will be called by Ecore IMF.
*
* Notify the Input Method Context that a change such as a change in cursor
* position has been made. This will typically cause the Input Method Context
* to clear the preedit state.
*/
EAPI void
isf_imf_context_reset(Ecore_IMF_Context *ctx)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
if (context_scim && context_scim->impl && context_scim == _focused_ic)
{
WideString wstr = context_scim->impl->preedit_string;
_panel_client.prepare(context_scim->id);
context_scim->impl->si->reset();
_panel_client.send();
if (context_scim->impl->need_commit_preedit)
{
if (wstr.length())
{
ecore_imf_context_commit_event_add(context_scim->ctx, utf8_wcstombs(wstr).c_str());
ecore_imf_context_event_callback_call(context_scim->ctx, ECORE_IMF_CALLBACK_COMMIT, (void *)utf8_wcstombs(wstr).c_str());
}
_panel_client.prepare(context_scim->id);
_panel_client.send();
}
}
}
/**
* isf_imf_context_focus_in
* @ctx: a #Ecore_IMF_Context
*
* This function will be called by Ecore IMF.
*
* Notify the Input Method Context that the widget to which its correspond has gained focus.
*/
EAPI void
isf_imf_context_focus_in(Ecore_IMF_Context *ctx)
{
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
if (!context_scim)
return;
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__<< "(" << context_scim->id << ")...\n";
if (_focused_ic)
{
if (_focused_ic == context_scim)
{
SCIM_DEBUG_FRONTEND(1) << "It's already focused.\n";
return;
}
SCIM_DEBUG_FRONTEND(1) << "Focus out previous IC first: " << _focused_ic->id << "\n";
if (_focused_ic->ctx)
isf_imf_context_focus_out(_focused_ic->ctx);
}
bool need_cap = false;
bool need_reset = false;
bool need_reg = false;
if (context_scim && context_scim->impl)
{
_focused_ic = context_scim;
_panel_client.prepare(context_scim->id);
// Handle the "Shared Input Method" mode.
if (_shared_input_method)
{
SCIM_DEBUG_FRONTEND(2) << "shared input method.\n";
IMEngineFactoryPointer factory = _backend->get_default_factory(_language, "UTF-8");
if (!factory.null())
{
if (_default_instance.null() || _default_instance->get_factory_uuid() != factory->get_uuid())
{
_default_instance = factory->create_instance("UTF-8", _default_instance.null() ? _instance_count++ : _default_instance->get_id());
attach_instance(_default_instance);
SCIM_DEBUG_FRONTEND(2) << "create new default instance: " << _default_instance->get_id() << " " << _default_instance->get_factory_uuid() << "\n";
}
context_scim->impl->shared_si = true;
context_scim->impl->si = _default_instance;
context_scim->impl->is_on = _config->read(String(SCIM_CONFIG_FRONTEND_IM_OPENED_BY_DEFAULT), context_scim->impl->is_on);
context_scim->impl->preedit_string.clear();
context_scim->impl->preedit_attrlist.clear();
context_scim->impl->preedit_caret = 0;
context_scim->impl->preedit_started = false;
need_cap = true;
need_reset = true;
need_reg = true;
}
}
else if (context_scim->impl->shared_si)
{
SCIM_DEBUG_FRONTEND(2) << "exit shared input method.\n";
IMEngineFactoryPointer factory = _backend->get_default_factory(_language, "UTF-8");
if (!factory.null())
{
context_scim->impl->si = factory->create_instance("UTF-8", _instance_count++);
context_scim->impl->preedit_string.clear();
context_scim->impl->preedit_attrlist.clear();
context_scim->impl->preedit_caret = 0;
context_scim->impl->preedit_started = false;
attach_instance(context_scim->impl->si);
need_cap = true;
need_reg = true;
context_scim->impl->shared_si = false;
SCIM_DEBUG_FRONTEND(2) << "create new instance: " << context_scim->impl->si->get_id() << " " << context_scim->impl->si->get_factory_uuid() << "\n";
}
}
context_scim->impl->si->set_frontend_data(static_cast <void*>(context_scim));
if (need_reg) _panel_client.register_input_context(context_scim->id, context_scim->impl->si->get_factory_uuid());
if (need_cap) set_ic_capabilities(context_scim);
if (need_reset) context_scim->impl->si->reset();
panel_req_focus_in(context_scim);
panel_req_update_spot_location(context_scim);
panel_req_update_factory_info(context_scim);
if (context_scim->impl->is_on)
{
_panel_client.turn_on(context_scim->id);
_panel_client.hide_preedit_string(context_scim->id);
_panel_client.hide_aux_string(context_scim->id);
_panel_client.hide_lookup_table(context_scim->id);
context_scim->impl->si->focus_in();
}
else
{
_panel_client.turn_off(context_scim->id);
}
_panel_client.send();
}
if (ecore_imf_context_input_panel_enabled_get(ctx))
ecore_imf_context_input_panel_show(ctx);
}
/**
* isf_imf_context_focus_out
* @ctx: a #Ecore_IMF_Context
*
* This function will be called by Ecore IMF.
*
* Notify the Input Method Context that the widget to which its correspond has lost focus.
*/
EAPI void
isf_imf_context_focus_out(Ecore_IMF_Context *ctx)
{
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
if (!context_scim) return;
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "(" << context_scim->id << ")...\n";
if (context_scim && context_scim->impl && context_scim == _focused_ic)
{
WideString wstr = context_scim->impl->preedit_string;
if (context_scim->impl->need_commit_preedit)
{
if (wstr.length())
{
ecore_imf_context_commit_event_add(context_scim->ctx, utf8_wcstombs(wstr).c_str());
ecore_imf_context_event_callback_call(context_scim->ctx, ECORE_IMF_CALLBACK_COMMIT, (void *)utf8_wcstombs(wstr).c_str());
}
_panel_client.prepare(context_scim->id);
_panel_client.send();
}
_panel_client.prepare(context_scim->id);
context_scim->impl->si->focus_out();
context_scim->impl->si->reset();
_panel_client.turn_off(context_scim->id);
_panel_client.focus_out(context_scim->id);
_panel_client.send();
_focused_ic = 0;
}
if (ecore_imf_context_input_panel_enabled_get(ctx))
ecore_imf_context_input_panel_hide(ctx);
}
/**
* isf_imf_context_cursor_location_set
* @ctx: a #Ecore_IMF_Context
* @x: x position of New cursor.
* @y: y position of New cursor.
* @w: the width of New cursor.
* @h: the height of New cursor.
*
* This function will be called by Ecore IMF.
*
* Notify the Input Method Context that a change in the cursor location has been made.
*/
EAPI void
isf_imf_context_cursor_location_set(Ecore_IMF_Context *ctx, int cx, int cy, int cw, int ch)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
Ecore_Evas *ee;
int canvas_x, canvas_y;
int new_cursor_x, new_cursor_y;
if (cw == 0 && ch == 0)
return;
if (context_scim && context_scim->impl && context_scim == _focused_ic)
{
if (context_scim->impl->client_canvas)
{
ee = ecore_evas_ecore_evas_get(context_scim->impl->client_canvas);
if (!ee) return;
ecore_evas_geometry_get(ee, &canvas_x, &canvas_y, NULL, NULL);
}
else
{
if (context_scim->impl->client_window)
window_to_screen_geometry_get(context_scim->impl->client_window, &canvas_x, &canvas_y);
else
return;
}
new_cursor_x = canvas_x + cx;
new_cursor_y = canvas_y + cy + ch;
// Don't update spot location while updating preedit string.
if (context_scim->impl->preedit_updating && (context_scim->impl->cursor_y == new_cursor_y))
return;
if (context_scim->impl->cursor_x != new_cursor_x || context_scim->impl->cursor_y != new_cursor_y)
{
context_scim->impl->cursor_x = new_cursor_x;
context_scim->impl->cursor_y = new_cursor_y;
_panel_client.prepare(context_scim->id);
panel_req_update_spot_location(context_scim);
_panel_client.send();
SCIM_DEBUG_FRONTEND(2) << "new cursor location = " << context_scim->impl->cursor_x << "," << context_scim->impl->cursor_y << "\n";
}
}
}
/**
* isf_imf_context_use_preedit_set
* @ctx: a #Ecore_IMF_Context
* @use_preedit: Whether the IM context should use the preedit string.
*
* This function will be called by Ecore IMF.
*
* Set whether the IM context should use the preedit string to display feedback.
* If is 0 (default is 1), then the IM context may use some other method to
* display feedback, such as displaying it in a child of the root window.
*/
EAPI void
isf_imf_context_use_preedit_set(Ecore_IMF_Context* ctx, Eina_Bool use_preedit)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " = " << (use_preedit ? "true" : "false") << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF*)ecore_imf_context_data_get(ctx);
if (!_on_the_spot) return;
if (context_scim && context_scim->impl)
{
bool old = context_scim->impl->use_preedit;
context_scim->impl->use_preedit = use_preedit;
if (context_scim == _focused_ic)
{
_panel_client.prepare(context_scim->id);
if (old != use_preedit)
set_ic_capabilities(context_scim);
if (context_scim->impl->preedit_string.length())
slot_show_preedit_string(context_scim->impl->si);
_panel_client.send();
}
}
}
EAPI void
isf_imf_context_preedit_string_with_attributes_get(Ecore_IMF_Context *ctx, char** str, Eina_List **attrs, int *cursor_pos)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF*)ecore_imf_context_data_get(ctx);
if (context_scim && context_scim->impl && context_scim->impl->is_on)
{
String mbs = utf8_wcstombs(context_scim->impl->preedit_string);
if (str)
{
if (mbs.length())
*str = strdup(mbs.c_str());
else
*str = strdup("");
}
if (cursor_pos)
{
*cursor_pos = context_scim->impl->preedit_caret;
}
if (attrs)
{
if (mbs.length())
{
int start_index, end_index;
int wlen = context_scim->impl->preedit_string.length();
Ecore_IMF_Preedit_Attr *attr = NULL;
AttributeList::const_iterator i;
bool *attrs_flag = new bool [mbs.length()];
memset(attrs_flag, 0, mbs.length() *sizeof(bool));
for (i = context_scim->impl->preedit_attrlist.begin();
i != context_scim->impl->preedit_attrlist.end(); ++i)
{
start_index = i->get_start();
end_index = i->get_end();
if (end_index <= wlen && start_index < end_index && i->get_type() != SCIM_ATTR_DECORATE_NONE)
{
start_index = utf8_offset_to_index(mbs.c_str(), i->get_start());
end_index = utf8_offset_to_index(mbs.c_str(), i->get_end());
if (i->get_type() == SCIM_ATTR_DECORATE)
{
attr = (Ecore_IMF_Preedit_Attr *)calloc(1, sizeof(Ecore_IMF_Preedit_Attr));
if (attr == NULL)
continue;
attr->start_index = start_index;
attr->end_index = end_index;
if (i->get_value() == SCIM_ATTR_DECORATE_UNDERLINE)
{
attr->preedit_type = ECORE_IMF_PREEDIT_TYPE_SUB1;
*attrs = eina_list_append(*attrs, (void *)attr);
}
else if (i->get_value() == SCIM_ATTR_DECORATE_REVERSE)
{
attr->preedit_type = ECORE_IMF_PREEDIT_TYPE_SUB2;
*attrs = eina_list_append(*attrs, (void *)attr);
}
else if (i->get_value() == SCIM_ATTR_DECORATE_HIGHLIGHT)
{
attr->preedit_type = ECORE_IMF_PREEDIT_TYPE_SUB3;
*attrs = eina_list_append(*attrs, (void *)attr);
}
else
{
free(attr);
}
switch(i->get_value())
{
case SCIM_ATTR_DECORATE_UNDERLINE:
case SCIM_ATTR_DECORATE_REVERSE:
case SCIM_ATTR_DECORATE_HIGHLIGHT:
// Record which character has attribute.
for (int pos = start_index; pos < end_index; ++pos)
attrs_flag [pos] = 1;
break;
default:
break;
}
}
else if (i->get_type() == SCIM_ATTR_FOREGROUND)
{
SCIM_DEBUG_FRONTEND(4) << "SCIM_ATTR_FOREGROUND\n";
}
else if (i->get_type() == SCIM_ATTR_BACKGROUND)
{
SCIM_DEBUG_FRONTEND(4) << "SCIM_ATTR_BACKGROUND\n";
}
}
}
// Add underline for all characters which don't have attribute.
for (unsigned int pos = 0; pos < mbs.length(); ++pos)
{
if (!attrs_flag [pos])
{
int begin_pos = pos;
while (pos < mbs.length() && !attrs_flag[pos])
++pos;
// use REVERSE style as default
attr = (Ecore_IMF_Preedit_Attr *)calloc(1, sizeof(Ecore_IMF_Preedit_Attr));
if (attr == NULL)
continue;
attr->preedit_type = ECORE_IMF_PREEDIT_TYPE_SUB2;
attr->start_index = begin_pos;
attr->end_index = pos;
*attrs = eina_list_append(*attrs, (void *)attr);
}
}
delete [] attrs_flag;
}
}
}
else
{
if (str)
*str = strdup("");
if (cursor_pos)
*cursor_pos = 0;
if (attrs)
*attrs = NULL;
}
}
/**
* isf_imf_context_preedit_string_get
* @ctx: a #Ecore_IMF_Context
* @str: the preedit string
* @cursor_pos: the cursor position
*
* This function will be called by Ecore IMF.
*
* To get the preedit string of the input method.
*/
EAPI void
isf_imf_context_preedit_string_get(Ecore_IMF_Context *ctx, char** str, int *cursor_pos)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF*)ecore_imf_context_data_get(ctx);
if (context_scim && context_scim->impl && context_scim->impl->is_on)
{
String mbs = utf8_wcstombs(context_scim->impl->preedit_string);
if (str)
{
if (mbs.length())
*str = strdup(mbs.c_str());
else
*str = strdup("");
}
if (cursor_pos)
*cursor_pos = context_scim->impl->preedit_caret;
}
else
{
if (str)
*str = strdup("");
if (cursor_pos)
*cursor_pos = 0;
}
}
/**
* isf_imf_context_cursor_position_set
* @ctx: a #Ecore_IMF_Context
* @cursor_pos: New cursor position in characters.
*
* This function will be called by Ecore IMF.
*
* Notify the Input Method Context that a change in the cursor position has been made.
*/
EAPI void
isf_imf_context_cursor_position_set(Ecore_IMF_Context *ctx, int cursor_pos)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
if (context_scim && context_scim->impl && context_scim == _focused_ic)
{
// Don't update spot location while updating preedit string.
if (context_scim->impl->preedit_updating)
return;
if (context_scim->impl->cursor_pos != cursor_pos)
{
context_scim->impl->cursor_pos = cursor_pos;
caps_mode_check(ctx, EINA_FALSE);
}
}
}
/**
* isf_imf_context_input_mode_set
* @ctx: a #Ecore_IMF_Context
* @input_mode: the input mode
*
* This function will be called by Ecore IMF.
*
* To set the input mode of input method. The definition of Ecore_IMF_Input_Mode
* is in Ecore_IMF.h.
*/
EAPI void
isf_imf_context_input_mode_set(Ecore_IMF_Context *ctx, Ecore_IMF_Input_Mode input_mode)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF*)ecore_imf_context_data_get(ctx);
if (context_scim && context_scim->impl)
context_scim->impl->input_mode = input_mode;
}
/**
* isf_imf_context_prediction_allow_set
* @ctx: a #Ecore_IMF_Context
* @use_prediction: Whether the IM context should use the prediction.
*
* This function will be called by Ecore IMF.
*
* Set whether the IM context should use the prediction.
*/
EAPI void
isf_imf_context_prediction_allow_set(Ecore_IMF_Context* ctx, Eina_Bool prediction)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " = " << (prediction ? "true" : "false") << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
if (context_scim && context_scim->impl && context_scim->impl->prediction_allow != prediction)
context_scim->impl->prediction_allow = prediction;
}
EAPI void
isf_imf_context_autocapital_type_set(Ecore_IMF_Context* ctx, Ecore_IMF_Autocapital_Type autocapital_type)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " = " << autocapital_type << "...\n";
EcoreIMFContextISF *context_scim = (EcoreIMFContextISF *)ecore_imf_context_data_get(ctx);
if (context_scim && context_scim->impl && context_scim->impl->autocapital_type != autocapital_type)
context_scim->impl->autocapital_type = autocapital_type;
}
/**
* isf_imf_context_filter_event
* @ctx: a #Ecore_IMF_Context
* @type: The type of event defined by Ecore_IMF_Event_Type.
* @event: The event itself.
* Return value: %TRUE if the input method handled the key event.
*
* This function will be called by Ecore IMF.
*
* Allow an Ecore Input Context to internally handle an event. If this function
* returns 1, then no further processing should be done for this event. Input
* methods must be able to accept all types of events (simply returning 0 if
* the event was not handled), but there is no obligation of any events to be
* submitted to this function.
*/
EAPI Eina_Bool
isf_imf_context_filter_event(Ecore_IMF_Context *ctx, Ecore_IMF_Event_Type type, Ecore_IMF_Event *event)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = (EcoreIMFContextISF*)ecore_imf_context_data_get(ctx);
Eina_Bool ret = EINA_FALSE;
if (ic == NULL || ic->impl == NULL)
return ret;
KeyEvent key;
if (type == ECORE_IMF_EVENT_KEY_DOWN)
{
Ecore_IMF_Event_Key_Down *ev = (Ecore_IMF_Event_Key_Down *)event;
scim_string_to_key(key, ev->key);
if (ev->modifiers & ECORE_IMF_KEYBOARD_MODIFIER_SHIFT) key.mask |=SCIM_KEY_ShiftMask;
if (ev->modifiers & ECORE_IMF_KEYBOARD_MODIFIER_CTRL) key.mask |=SCIM_KEY_ControlMask;
if (ev->modifiers & ECORE_IMF_KEYBOARD_MODIFIER_ALT) key.mask |=SCIM_KEY_AltMask;
if (ev->modifiers & ECORE_IMF_KEYBOARD_MODIFIER_ALTGR) key.mask |=SCIM_KEY_Mod5Mask;
if (ev->locks & ECORE_IMF_KEYBOARD_LOCK_CAPS) key.mask |=SCIM_KEY_CapsLockMask;
if (ev->locks & ECORE_IMF_KEYBOARD_LOCK_NUM) key.mask |=SCIM_KEY_NumLockMask;
}
else if (type == ECORE_IMF_EVENT_KEY_UP)
{
Ecore_IMF_Event_Key_Up *ev = (Ecore_IMF_Event_Key_Up *)event;
scim_string_to_key(key, ev->key);
key.mask = SCIM_KEY_ReleaseMask;
if (ev->modifiers & ECORE_IMF_KEYBOARD_MODIFIER_SHIFT) key.mask |=SCIM_KEY_ShiftMask;
if (ev->modifiers & ECORE_IMF_KEYBOARD_MODIFIER_CTRL) key.mask |=SCIM_KEY_ControlMask;
if (ev->modifiers & ECORE_IMF_KEYBOARD_MODIFIER_ALT) key.mask |=SCIM_KEY_AltMask;
if (ev->modifiers & ECORE_IMF_KEYBOARD_MODIFIER_ALTGR) key.mask |=SCIM_KEY_Mod5Mask;
if (ev->locks & ECORE_IMF_KEYBOARD_LOCK_CAPS) key.mask |=SCIM_KEY_CapsLockMask;
if (ev->locks & ECORE_IMF_KEYBOARD_LOCK_NUM) key.mask |=SCIM_KEY_NumLockMask;
}
else
{
return ret;
}
key.mask &= _valid_key_mask;
_panel_client.prepare(ic->id);
ret = EINA_TRUE;
if (!filter_hotkeys(ic, key))
{
if (!_focused_ic || !_focused_ic->impl->is_on ||
!_focused_ic->impl->si->process_key_event(key))
ret = EINA_FALSE;
}
_panel_client.send();
return ret;
}
EAPI void
isf_imf_context_input_panel_show(Ecore_IMF_Context *ctx)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = (EcoreIMFContextISF*)ecore_imf_context_data_get(ctx);
if (ic == NULL || ic->impl == NULL)
return;
ecore_x_e_virtual_keyboard_state_set
(ic->impl->client_window, ECORE_X_VIRTUAL_KEYBOARD_STATE_ON);
}
EAPI void
isf_imf_context_input_panel_hide(Ecore_IMF_Context *ctx)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = (EcoreIMFContextISF*)ecore_imf_context_data_get(ctx);
if (ic == NULL || ic->impl == NULL)
return;
ecore_x_e_virtual_keyboard_state_set
(ic->impl->client_window, ECORE_X_VIRTUAL_KEYBOARD_STATE_OFF);
}
/* Panel Slot functions */
static void
panel_slot_reload_config(int context EINA_UNUSED)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
_config->reload();
}
static void
panel_slot_exit(int /* context */)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
finalize();
}
static void
panel_slot_update_lookup_table_page_size(int context, int page_size)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " page_size=" << page_size << " ic=" << ic << "\n";
if (ic && ic->impl)
{
_panel_client.prepare(ic->id);
ic->impl->si->update_lookup_table_page_size(page_size);
_panel_client.send();
}
}
static void
panel_slot_lookup_table_page_up(int context)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " ic=" << ic << "\n";
if (ic && ic->impl)
{
_panel_client.prepare(ic->id);
ic->impl->si->lookup_table_page_up();
_panel_client.send();
}
}
static void
panel_slot_lookup_table_page_down(int context)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " ic=" << ic << "\n";
if (ic && ic->impl)
{
_panel_client.prepare(ic->id);
ic->impl->si->lookup_table_page_down();
_panel_client.send();
}
}
static void
panel_slot_trigger_property(int context, const String &property)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " property=" << property << " ic=" << ic << "\n";
if (ic && ic->impl)
{
_panel_client.prepare(ic->id);
ic->impl->si->trigger_property(property);
_panel_client.send();
}
}
static void
panel_slot_process_helper_event(int context, const String &target_uuid, const String &helper_uuid, const Transaction &trans)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " target=" << target_uuid
<< " helper=" << helper_uuid << " ic=" << ic << " ic->impl=" << (ic ? ic->impl : 0) << " ic-uuid="
<< ((ic && ic->impl) ? ic->impl->si->get_factory_uuid() : "" ) << "\n";
if (ic && ic->impl && ic->impl->si->get_factory_uuid() == target_uuid)
{
_panel_client.prepare(ic->id);
SCIM_DEBUG_FRONTEND(2) << "call process_helper_event\n";
ic->impl->si->process_helper_event(helper_uuid, trans);
_panel_client.send();
}
}
static void
panel_slot_move_preedit_caret(int context, int caret_pos)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " caret=" << caret_pos << " ic=" << ic << "\n";
if (ic && ic->impl)
{
_panel_client.prepare(ic->id);
ic->impl->si->move_preedit_caret(caret_pos);
_panel_client.send();
}
}
static void
panel_slot_select_candidate(int context, int cand_index)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " candidate=" << cand_index << " ic=" << ic << "\n";
if (ic && ic->impl)
{
_panel_client.prepare(ic->id);
ic->impl->si->select_candidate(cand_index);
_panel_client.send();
}
}
static void
panel_slot_process_key_event(int context, const KeyEvent &key)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " key=" << key.get_key_string() << " ic=" << ic << "\n";
if (key.is_key_press())
ecore_x_test_fake_key_press(key.get_key_string().c_str());
}
static void
panel_slot_commit_string(int context, const WideString &wstr)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " str=" << utf8_wcstombs(wstr) << " ic=" << ic << "\n";
if (ic && ic->impl)
{
if (_focused_ic != ic)
return;
ecore_imf_context_commit_event_add(ic->ctx, utf8_wcstombs(wstr).c_str());
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_COMMIT, (void *)utf8_wcstombs(wstr).c_str());
}
}
static void
panel_slot_forward_key_event(int context, const KeyEvent &key)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " key=" << key.get_key_string() << " ic=" << ic << "\n";
if (ic && ic->impl && ic->impl->client_canvas)
feed_key_event(ic->impl->client_canvas, key.get_key_string().c_str(), EINA_TRUE);
}
static void
panel_slot_request_help(int context)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " ic=" << ic << "\n";
if (ic && ic->impl)
{
_panel_client.prepare(ic->id);
panel_req_show_help(ic);
_panel_client.send();
}
}
static void
panel_slot_request_factory_menu(int context)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " ic=" << ic << "\n";
if (ic && ic->impl)
{
_panel_client.prepare(ic->id);
panel_req_show_factory_menu(ic);
_panel_client.send();
}
}
static void
panel_slot_change_factory(int context, const String &uuid)
{
EcoreIMFContextISF *ic = find_ic(context);
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " context=" << context << " factory=" << uuid << " ic=" << ic << "\n";
if (ic && ic->impl)
{
ic->impl->si->reset();
_panel_client.prepare(ic->id);
open_specific_factory(ic, uuid);
_panel_client.send();
}
}
/* Panel Requestion functions. */
static void
panel_req_show_help(EcoreIMFContextISF *ic)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
String help;
help = String("Smart Common Input Method platform ") +
//String(SCIM_VERSION) +
String("\n(C) 2002-2005 James Su <suzhe@tsinghua.org.cn>\n\n");
if (ic && ic->impl)
{
IMEngineFactoryPointer sf = _backend->get_factory(ic->impl->si->get_factory_uuid());
if (sf)
{
help += utf8_wcstombs(sf->get_name());
help += String(":\n\n");
help += utf8_wcstombs(sf->get_help());
help += String("\n\n");
help += utf8_wcstombs(sf->get_credits());
}
_panel_client.show_help(ic->id, help);
}
}
static void
panel_req_show_factory_menu(EcoreIMFContextISF *ic)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
std::vector<IMEngineFactoryPointer> factories;
std::vector <PanelFactoryInfo> menu;
_backend->get_factories_for_encoding(factories, "UTF-8");
for (size_t i = 0; i < factories.size(); ++ i)
{
menu.push_back(PanelFactoryInfo(
factories [i]->get_uuid(),
utf8_wcstombs(factories [i]->get_name()),
factories [i]->get_language(),
factories [i]->get_icon_file()));
}
if (menu.size())
_panel_client.show_factory_menu(ic->id, menu);
}
static void
panel_req_update_factory_info(EcoreIMFContextISF *ic)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
if (ic && ic->impl && ic == _focused_ic)
{
PanelFactoryInfo info;
if (ic->impl->is_on)
{
IMEngineFactoryPointer sf = _backend->get_factory(ic->impl->si->get_factory_uuid());
if (sf)
info = PanelFactoryInfo(sf->get_uuid(), utf8_wcstombs(sf->get_name()), sf->get_language(), sf->get_icon_file());
}
else
{
info = PanelFactoryInfo(String(""), String("English/Keyboard"), String("C"), "");
}
_panel_client.update_factory_info(ic->id, info);
}
}
static void
panel_req_focus_in(EcoreIMFContextISF *ic)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
_panel_client.focus_in(ic->id, ic->impl->si->get_factory_uuid());
}
static void
panel_req_update_spot_location(EcoreIMFContextISF *ic)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
_panel_client.update_spot_location(ic->id, ic->impl->cursor_x, ic->impl->cursor_y);
}
static bool
filter_hotkeys(EcoreIMFContextISF *ic, const KeyEvent &key)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
bool ret = false;
_frontend_hotkey_matcher.push_key_event(key);
_imengine_hotkey_matcher.push_key_event(key);
FrontEndHotkeyAction hotkey_action = _frontend_hotkey_matcher.get_match_result();
if (hotkey_action == SCIM_FRONTEND_HOTKEY_TRIGGER)
{
if (!ic->impl->is_on)
turn_on_ic(ic);
else
turn_off_ic(ic);
ret = true;
}
else if (hotkey_action == SCIM_FRONTEND_HOTKEY_ON)
{
if (!ic->impl->is_on)
turn_on_ic(ic);
ret = true;
}
else if (hotkey_action == SCIM_FRONTEND_HOTKEY_OFF)
{
if (ic->impl->is_on)
turn_off_ic(ic);
ret = true;
}
else if (hotkey_action == SCIM_FRONTEND_HOTKEY_NEXT_FACTORY)
{
open_next_factory(ic);
ret = true;
}
else if (hotkey_action == SCIM_FRONTEND_HOTKEY_PREVIOUS_FACTORY)
{
open_previous_factory(ic);
ret = true;
}
else if (hotkey_action == SCIM_FRONTEND_HOTKEY_SHOW_FACTORY_MENU)
{
panel_req_show_factory_menu(ic);
ret = true;
}
else if (_imengine_hotkey_matcher.is_matched())
{
String sfid = _imengine_hotkey_matcher.get_match_result();
open_specific_factory(ic, sfid);
ret = true;
}
return ret;
}
static bool
panel_initialize(void)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
String display_name;
{
const char *p = getenv("DISPLAY");
if (p) display_name = String(p);
}
if (_panel_client.open_connection(_config->get_name(), display_name) >= 0)
{
int fd = _panel_client.get_connection_number();
_panel_iochannel_read_handler = ecore_main_fd_handler_add(fd, ECORE_FD_READ, panel_iochannel_handler, NULL, NULL, NULL);
SCIM_DEBUG_FRONTEND(2) << " Panel FD= " << fd << "\n";
return true;
}
std::cerr << "panel_initialize() failed!!!\n";
return false;
}
static void
panel_finalize(void)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
_panel_client.close_connection();
if (_panel_iochannel_read_handler)
{
ecore_main_fd_handler_del(_panel_iochannel_read_handler);
_panel_iochannel_read_handler = 0;
}
if (_panel_iochannel_err_handler)
{
ecore_main_fd_handler_del(_panel_iochannel_err_handler);
_panel_iochannel_err_handler = 0;
}
}
static Eina_Bool
panel_iochannel_handler(void *data EINA_UNUSED, Ecore_Fd_Handler *fd_handler)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
if (fd_handler == _panel_iochannel_read_handler)
{
if (!_panel_client.filter_event())
{
panel_finalize();
panel_initialize();
return ECORE_CALLBACK_CANCEL;
}
}
else if (fd_handler == _panel_iochannel_err_handler)
{
panel_finalize();
panel_initialize();
return ECORE_CALLBACK_CANCEL;
}
return ECORE_CALLBACK_RENEW;
}
static void
turn_on_ic(EcoreIMFContextISF *ic)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
if (ic && ic->impl && !ic->impl->is_on)
{
ic->impl->is_on = true;
if (ic == _focused_ic)
{
panel_req_focus_in(ic);
panel_req_update_spot_location(ic);
panel_req_update_factory_info(ic);
_panel_client.turn_on(ic->id);
_panel_client.hide_preedit_string(ic->id);
_panel_client.hide_aux_string(ic->id);
_panel_client.hide_lookup_table(ic->id);
ic->impl->si->focus_in();
}
//Record the IC on/off status
if (_shared_input_method)
_config->write(String(SCIM_CONFIG_FRONTEND_IM_OPENED_BY_DEFAULT), true);
if (ic->impl->use_preedit && ic->impl->preedit_string.length())
{
ecore_imf_context_preedit_start_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_START, NULL);
ecore_imf_context_preedit_changed_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_CHANGED, NULL);
ic->impl->preedit_started = true;
}
}
}
static void
turn_off_ic(EcoreIMFContextISF *ic)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
if (ic && ic->impl && ic->impl->is_on)
{
ic->impl->is_on = false;
if (ic == _focused_ic)
{
ic->impl->si->focus_out();
panel_req_update_factory_info(ic);
_panel_client.turn_off(ic->id);
}
//Record the IC on/off status
if (_shared_input_method)
_config->write(String(SCIM_CONFIG_FRONTEND_IM_OPENED_BY_DEFAULT), false);
if (ic->impl->use_preedit && ic->impl->preedit_string.length())
{
ecore_imf_context_preedit_changed_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_CHANGED, NULL);
ecore_imf_context_preedit_end_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_END, NULL);
ic->impl->preedit_started = false;
}
}
}
static void
set_ic_capabilities(EcoreIMFContextISF *ic)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
if (ic && ic->impl)
{
unsigned int cap = SCIM_CLIENT_CAP_ALL_CAPABILITIES;
if (!_on_the_spot || !ic->impl->use_preedit)
cap -= SCIM_CLIENT_CAP_ONTHESPOT_PREEDIT;
ic->impl->si->update_client_capabilities(cap);
}
}
static bool
check_socket_frontend(void)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
SocketAddress address;
SocketClient client;
uint32 magic;
address.set_address(scim_get_default_socket_frontend_address());
if (!client.connect(address))
return false;
if (!scim_socket_open_connection(magic,
String("ConnectionTester"),
String("SocketFrontEnd"),
client,
1000))
return false;
return true;
}
void
initialize(void)
{
std::vector<String> config_list;
std::vector<String> engine_list;
std::vector<String> load_engine_list;
std::vector<String>::iterator it;
bool manual = false;
bool socket = true;
String config_module_name = "simple";
printf("Initializing Ecore SCIM IMModule...\n");
SCIM_DEBUG_FRONTEND(1) << "Initializing Ecore SCIM IMModule...\n";
// Get system language.
_language = scim_get_locale_language(scim_get_current_locale());
if (socket)
{
// If no Socket FrontEnd is running, then launch one.
// And set manual to false.
bool check_result = check_socket_frontend();
if (!check_result)
{
std::cerr << "Launching a SCIM daemon with Socket FrontEnd...\n";
//get modules list
scim_get_imengine_module_list(engine_list);
for (it = engine_list.begin(); it != engine_list.end(); it++)
{
if (*it != "socket")
load_engine_list.push_back(*it);
}
const char *new_argv [] = { "--no-stay", 0 };
scim_launch(true,
config_module_name,
(load_engine_list.size() ? scim_combine_string_list(load_engine_list, ',') : "none"),
"socket",
(char **)new_argv);
manual = false;
}
// If there is one Socket FrontEnd running and it's not manual mode,
// then just use this Socket Frontend.
if (!manual)
{
for (int i = 0; i < 200; ++i)
{
if (check_result)
{
config_module_name = "socket";
load_engine_list.clear();
load_engine_list.push_back("socket");
break;
}
scim_usleep(50000);
check_result = check_socket_frontend();
}
}
}
if (config_module_name != "dummy")
{
//load config module
SCIM_DEBUG_FRONTEND(1) << "Loading Config module: " << config_module_name << "...\n";
_config_module = new ConfigModule(config_module_name);
//create config instance
if (_config_module != NULL && _config_module->valid())
_config = _config_module->create_config();
}
if (_config.null())
{
SCIM_DEBUG_FRONTEND(1) << "Config module cannot be loaded, using dummy Config.\n";
if (_config_module) delete _config_module;
_config_module = NULL;
_config = new DummyConfig();
config_module_name = "dummy";
}
reload_config_callback(_config);
_config->signal_connect_reload(slot(reload_config_callback));
// create backend
_backend = new CommonBackEnd(_config, load_engine_list.size() ? load_engine_list : engine_list);
if (_backend.null())
std::cerr << "Cannot create BackEnd Object!\n";
else
_fallback_factory = _backend->get_factory(SCIM_COMPOSE_KEY_FACTORY_UUID);
if (_fallback_factory.null())
_fallback_factory = new DummyIMEngineFactory();
_fallback_instance = _fallback_factory->create_instance(String("UTF-8"), 0);
_fallback_instance->signal_connect_commit_string(slot(fallback_commit_string_cb));
// Attach Panel Client signal.
_panel_client.signal_connect_reload_config (slot(panel_slot_reload_config));
_panel_client.signal_connect_exit (slot(panel_slot_exit));
_panel_client.signal_connect_update_lookup_table_page_size(slot(panel_slot_update_lookup_table_page_size));
_panel_client.signal_connect_lookup_table_page_up (slot(panel_slot_lookup_table_page_up));
_panel_client.signal_connect_lookup_table_page_down (slot(panel_slot_lookup_table_page_down));
_panel_client.signal_connect_trigger_property (slot(panel_slot_trigger_property));
_panel_client.signal_connect_process_helper_event (slot(panel_slot_process_helper_event));
_panel_client.signal_connect_move_preedit_caret (slot(panel_slot_move_preedit_caret));
_panel_client.signal_connect_select_candidate (slot(panel_slot_select_candidate));
_panel_client.signal_connect_process_key_event (slot(panel_slot_process_key_event));
_panel_client.signal_connect_commit_string (slot(panel_slot_commit_string));
_panel_client.signal_connect_forward_key_event (slot(panel_slot_forward_key_event));
_panel_client.signal_connect_request_help (slot(panel_slot_request_help));
_panel_client.signal_connect_request_factory_menu (slot(panel_slot_request_factory_menu));
_panel_client.signal_connect_change_factory (slot(panel_slot_change_factory));
if (!panel_initialize())
std::cerr << "Ecore IM Module: Cannot connect to Panel!\n";
}
static void
finalize(void)
{
SCIM_DEBUG_FRONTEND(1) << "Finalizing Ecore ISF IMModule...\n";
// Reset this first so that the shared instance could be released correctly afterwards.
_default_instance.reset();
SCIM_DEBUG_FRONTEND(2) << "Finalize all IC partially.\n";
while (_used_ic_impl_list)
{
// In case in "shared input method" mode,
// all contexts share only one instance,
// so we need point the reference pointer correctly before finalizing.
_used_ic_impl_list->si->set_frontend_data(static_cast <void*>(_used_ic_impl_list->parent));
isf_imf_context_del(_used_ic_impl_list->parent->ctx);
}
delete_all_ic_impl();
_fallback_instance.reset();
_fallback_factory.reset();
SCIM_DEBUG_FRONTEND(2) << " Releasing BackEnd...\n";
_backend.reset();
SCIM_DEBUG_FRONTEND(2) << " Releasing Config...\n";
_config.reset();
if (_config_module)
{
SCIM_DEBUG_FRONTEND(2) << " Deleting _config_module...\n";
delete _config_module;
_config_module = 0;
}
_focused_ic = NULL;
_ic_list = NULL;
_scim_initialized = false;
panel_finalize();
}
static void
open_next_factory(EcoreIMFContextISF *ic)
{
SCIM_DEBUG_FRONTEND(2) << __FUNCTION__ << " context=" << ic->id << "\n";
IMEngineFactoryPointer sf = _backend->get_next_factory("", "UTF-8", ic->impl->si->get_factory_uuid());
if (!sf.null())
{
turn_off_ic(ic);
ic->impl->si = sf->create_instance("UTF-8", ic->impl->si->get_id());
ic->impl->si->set_frontend_data(static_cast <void*>(ic));
ic->impl->preedit_string = WideString();
ic->impl->preedit_caret = 0;
attach_instance(ic->impl->si);
_backend->set_default_factory(_language, sf->get_uuid());
_panel_client.register_input_context(ic->id, sf->get_uuid());
set_ic_capabilities(ic);
turn_on_ic(ic);
if (_shared_input_method)
{
_default_instance = ic->impl->si;
ic->impl->shared_si = true;
}
}
}
static void
open_previous_factory(EcoreIMFContextISF *ic)
{
if (ic == NULL)
return;
SCIM_DEBUG_FRONTEND(2) << __FUNCTION__ << " context=" << ic->id << "\n";
IMEngineFactoryPointer sf = _backend->get_previous_factory("", "UTF-8", ic->impl->si->get_factory_uuid());
if (!sf.null())
{
turn_off_ic(ic);
ic->impl->si = sf->create_instance("UTF-8", ic->impl->si->get_id());
ic->impl->si->set_frontend_data(static_cast <void*>(ic));
ic->impl->preedit_string = WideString();
ic->impl->preedit_caret = 0;
attach_instance(ic->impl->si);
_backend->set_default_factory(_language, sf->get_uuid());
_panel_client.register_input_context(ic->id, sf->get_uuid());
set_ic_capabilities(ic);
turn_on_ic(ic);
if (_shared_input_method)
{
_default_instance = ic->impl->si;
ic->impl->shared_si = true;
}
}
}
static void
open_specific_factory(EcoreIMFContextISF *ic,
const String &uuid)
{
if (ic == NULL)
return;
SCIM_DEBUG_FRONTEND(2) << __FUNCTION__ << " context=" << ic->id << "\n";
// The same input method is selected, just turn on the IC.
if (ic->impl->si->get_factory_uuid() == uuid)
{
turn_on_ic(ic);
return;
}
IMEngineFactoryPointer sf = _backend->get_factory(uuid);
if (uuid.length() && !sf.null())
{
turn_off_ic(ic);
ic->impl->si = sf->create_instance("UTF-8", ic->impl->si->get_id());
ic->impl->si->set_frontend_data(static_cast <void*>(ic));
ic->impl->preedit_string = WideString();
ic->impl->preedit_caret = 0;
attach_instance(ic->impl->si);
_backend->set_default_factory(_language, sf->get_uuid());
_panel_client.register_input_context(ic->id, sf->get_uuid());
set_ic_capabilities(ic);
turn_on_ic(ic);
if (_shared_input_method)
{
_default_instance = ic->impl->si;
ic->impl->shared_si = true;
}
}
else
{
// turn_off_ic comment out panel_req_update_factory_info()
turn_off_ic(ic);
if (ic && ic->impl->is_on)
{
ic->impl->is_on = false;
if (ic == _focused_ic)
{
ic->impl->si->focus_out();
panel_req_update_factory_info(ic);
_panel_client.turn_off(ic->id);
}
//Record the IC on/off status
if (_shared_input_method)
_config->write(String(SCIM_CONFIG_FRONTEND_IM_OPENED_BY_DEFAULT), false);
if (ic->impl->use_preedit && ic->impl->preedit_string.length())
{
ecore_imf_context_preedit_changed_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_CHANGED, NULL);
ecore_imf_context_preedit_end_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_END, NULL);
ic->impl->preedit_started = false;
}
}
}
}
static void initialize_modifier_bits(Display *display)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
if (__current_display == display)
return;
__current_display = display;
if (display == 0)
{
__current_alt_mask = Mod1Mask;
__current_meta_mask = ShiftMask | Mod1Mask;
__current_super_mask = 0;
__current_hyper_mask = 0;
__current_numlock_mask = Mod2Mask;
return;
}
XModifierKeymap *mods = NULL;
::KeyCode ctrl_l = XKeysymToKeycode(display, XK_Control_L);
::KeyCode ctrl_r = XKeysymToKeycode(display, XK_Control_R);
::KeyCode meta_l = XKeysymToKeycode(display, XK_Meta_L);
::KeyCode meta_r = XKeysymToKeycode(display, XK_Meta_R);
::KeyCode alt_l = XKeysymToKeycode(display, XK_Alt_L);
::KeyCode alt_r = XKeysymToKeycode(display, XK_Alt_R);
::KeyCode super_l = XKeysymToKeycode(display, XK_Super_L);
::KeyCode super_r = XKeysymToKeycode(display, XK_Super_R);
::KeyCode hyper_l = XKeysymToKeycode(display, XK_Hyper_L);
::KeyCode hyper_r = XKeysymToKeycode(display, XK_Hyper_R);
::KeyCode numlock = XKeysymToKeycode(display, XK_Num_Lock);
int i, j;
mods = XGetModifierMapping(display);
if (mods == NULL)
return;
__current_alt_mask = 0;
__current_meta_mask = 0;
__current_super_mask = 0;
__current_hyper_mask = 0;
__current_numlock_mask = 0;
/* We skip the first three sets for Shift, Lock, and Control. The
remaining sets are for Mod1, Mod2, Mod3, Mod4, and Mod5. */
for (i = 3; i < 8; i++)
{
for (j = 0; j < mods->max_keypermod; j++)
{
::KeyCode code = mods->modifiermap [i * mods->max_keypermod + j];
if (! code) continue;
if (code == alt_l || code == alt_r)
__current_alt_mask |= (1 << i);
else if (code == meta_l || code == meta_r)
__current_meta_mask |= (1 << i);
else if (code == super_l || code == super_r)
__current_super_mask |= (1 << i);
else if (code == hyper_l || code == hyper_r)
__current_hyper_mask |= (1 << i);
else if (code == numlock)
__current_numlock_mask |= (1 << i);
}
}
/* Check whether there is a combine keys mapped to Meta */
if (__current_meta_mask == 0)
{
char buf [32];
XKeyEvent xkey;
KeySym keysym_l, keysym_r;
xkey.type = KeyPress;
xkey.display = display;
xkey.serial = 0L;
xkey.send_event = False;
xkey.x = xkey.y = xkey.x_root = xkey.y_root = 0;
xkey.time = 0;
xkey.same_screen = False;
xkey.subwindow = None;
xkey.window = None;
xkey.root = DefaultRootWindow(display);
xkey.state = ShiftMask;
xkey.keycode = meta_l;
XLookupString(&xkey, buf, 32, &keysym_l, 0);
xkey.keycode = meta_r;
XLookupString(&xkey, buf, 32, &keysym_r, 0);
if ((meta_l == alt_l && keysym_l == XK_Meta_L) || (meta_r == alt_r && keysym_r == XK_Meta_R))
__current_meta_mask = ShiftMask + __current_alt_mask;
else if ((meta_l == ctrl_l && keysym_l == XK_Meta_L) || (meta_r == ctrl_r && keysym_r == XK_Meta_R))
__current_meta_mask = ShiftMask + ControlMask;
}
XFreeModifiermap(mods);
}
static unsigned int scim_x11_keymask_scim_to_x11(Display *display, uint16 scimkeymask)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
unsigned int state = 0;
initialize_modifier_bits(display);
if (scimkeymask & SCIM_KEY_ShiftMask) state |= ShiftMask;
if (scimkeymask & SCIM_KEY_CapsLockMask) state |= LockMask;
if (scimkeymask & SCIM_KEY_ControlMask) state |= ControlMask;
if (scimkeymask & SCIM_KEY_AltMask) state |= __current_alt_mask;
if (scimkeymask & SCIM_KEY_MetaMask) state |= __current_meta_mask;
if (scimkeymask & SCIM_KEY_SuperMask) state |= __current_super_mask;
if (scimkeymask & SCIM_KEY_HyperMask) state |= __current_hyper_mask;
if (scimkeymask & SCIM_KEY_NumLockMask) state |= __current_numlock_mask;
return state;
}
static XKeyEvent createKeyEvent(Display *display, Window &win,
Window &winRoot, bool press,
int keycode, int modifiers)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
XKeyEvent event;
event.display = display;
event.window = win;
event.root = winRoot;
event.subwindow = None;
event.time = CurrentTime;
event.x = 1;
event.y = 1;
event.x_root = 1;
event.y_root = 1;
event.same_screen = EINA_TRUE;
event.state = modifiers;
event.keycode = XKeysymToKeycode(display, keycode);
if (press)
event.type = KeyPress;
else
event.type = KeyRelease;
event.send_event = EINA_FALSE;
event.serial = 0;
return event;
}
static void _x_send_key_event(const KeyEvent &key)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
// Obtain the X11 display.
Display *display = XOpenDisplay(NULL);
if (display == NULL)
{
std::cerr << "XOpenDisplay failed\n";
return;
}
// Get the root window for the current display.
Window winRoot = 0;
// Find the window which has the current keyboard focus.
Window winFocus = 0;
int revert = RevertToParent;
XGetInputFocus(display, &winFocus, &revert);
// Send a fake key press event to the window.
XSelectInput(display, winFocus, FocusChangeMask|KeyPressMask|KeyReleaseMask);
XMapWindow(display, winFocus);
unsigned int modifier = scim_x11_keymask_scim_to_x11(display, key.mask);
XKeyEvent event;
if (key.is_key_press())
{
event = createKeyEvent(display, winFocus, winRoot, true, key.code, modifier);
XSendEvent(event.display, event.window, True, KeyPressMask, (XEvent *)&event);
}
else
{
event = createKeyEvent(display, winFocus, winRoot, false, key.code, modifier);
XSendEvent(event.display, event.window, True, KeyReleaseMask, (XEvent *)&event);
}
XCloseDisplay(display);
}
static void
attach_instance(const IMEngineInstancePointer &si)
{
si->signal_connect_show_preedit_string(
slot(slot_show_preedit_string));
si->signal_connect_show_aux_string(
slot(slot_show_aux_string));
si->signal_connect_show_lookup_table(
slot(slot_show_lookup_table));
si->signal_connect_hide_preedit_string(
slot(slot_hide_preedit_string));
si->signal_connect_hide_aux_string(
slot(slot_hide_aux_string));
si->signal_connect_hide_lookup_table(
slot(slot_hide_lookup_table));
si->signal_connect_update_preedit_caret(
slot(slot_update_preedit_caret));
si->signal_connect_update_preedit_string(
slot(slot_update_preedit_string));
si->signal_connect_update_aux_string(
slot(slot_update_aux_string));
si->signal_connect_update_lookup_table(
slot(slot_update_lookup_table));
si->signal_connect_commit_string(
slot(slot_commit_string));
si->signal_connect_forward_key_event(
slot(slot_forward_key_event));
si->signal_connect_register_properties(
slot(slot_register_properties));
si->signal_connect_update_property(
slot(slot_update_property));
si->signal_connect_beep(
slot(slot_beep));
si->signal_connect_start_helper(
slot(slot_start_helper));
si->signal_connect_stop_helper(
slot(slot_stop_helper));
si->signal_connect_send_helper_event(
slot(slot_send_helper_event));
si->signal_connect_get_surrounding_text(
slot(slot_get_surrounding_text));
si->signal_connect_delete_surrounding_text(
slot(slot_delete_surrounding_text));
}
// Implementation of slot functions
static void
slot_show_preedit_string(IMEngineInstanceBase *si)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
{
if (ic->impl->use_preedit)
{
if (!ic->impl->preedit_started)
{
ecore_imf_context_preedit_start_event_add(_focused_ic->ctx);
ecore_imf_context_event_callback_call(_focused_ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_START, NULL);
ic->impl->preedit_started = true;
}
}
else
_panel_client.show_preedit_string(ic->id);
}
}
static void
slot_show_aux_string(IMEngineInstanceBase *si)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
_panel_client.show_aux_string(ic->id);
}
static void
slot_show_lookup_table(IMEngineInstanceBase *si)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
_panel_client.show_lookup_table(ic->id);
}
static void
slot_hide_preedit_string(IMEngineInstanceBase *si)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
{
bool emit = false;
if (ic->impl->preedit_string.length())
{
ic->impl->preedit_string = WideString();
ic->impl->preedit_caret = 0;
ic->impl->preedit_attrlist.clear();
emit = true;
}
if (ic->impl->use_preedit)
{
if (emit)
{
ecore_imf_context_preedit_changed_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_CHANGED, NULL);
}
if (ic->impl->preedit_started)
{
ecore_imf_context_preedit_end_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_END, NULL);
ic->impl->preedit_started = false;
}
}
else
_panel_client.hide_preedit_string(ic->id);
}
}
static void
slot_hide_aux_string(IMEngineInstanceBase *si)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
_panel_client.hide_aux_string(ic->id);
}
static void
slot_hide_lookup_table(IMEngineInstanceBase *si)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
_panel_client.hide_lookup_table(ic->id);
}
static void
slot_update_preedit_caret(IMEngineInstanceBase *si, int caret)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic && ic->impl->preedit_caret != caret)
{
ic->impl->preedit_caret = caret;
if (ic->impl->use_preedit)
{
if (!ic->impl->preedit_started)
{
ecore_imf_context_preedit_start_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_START, NULL);
ic->impl->preedit_started = true;
}
ecore_imf_context_preedit_changed_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_CHANGED, NULL);
}
else
_panel_client.update_preedit_caret(ic->id, caret);
}
}
static void
slot_update_preedit_string(IMEngineInstanceBase *si,
const WideString & str,
const AttributeList & attrs)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic && (ic->impl->preedit_string != str || str.length()))
{
ic->impl->preedit_string = str;
ic->impl->preedit_attrlist = attrs;
if (ic->impl->use_preedit)
{
if (!ic->impl->preedit_started)
{
ecore_imf_context_preedit_start_event_add(_focused_ic->ctx);
ecore_imf_context_event_callback_call(_focused_ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_START, NULL);
ic->impl->preedit_started = true;
}
ic->impl->preedit_caret = str.length();
ic->impl->preedit_updating = true;
ecore_imf_context_preedit_changed_event_add(ic->ctx);
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_PREEDIT_CHANGED, NULL);
ic->impl->preedit_updating = false;
}
else
{
_panel_client.update_preedit_string(ic->id, str, attrs);
}
}
}
static void
slot_update_aux_string(IMEngineInstanceBase *si,
const WideString & str,
const AttributeList & attrs)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
_panel_client.update_aux_string(ic->id, str, attrs);
}
static void
slot_commit_string(IMEngineInstanceBase *si,
const WideString & str)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->ctx)
{
ecore_imf_context_commit_event_add(ic->ctx, utf8_wcstombs(str).c_str());
ecore_imf_context_event_callback_call(ic->ctx, ECORE_IMF_CALLBACK_COMMIT, (void *)utf8_wcstombs(str).c_str());
}
}
static void
slot_forward_key_event(IMEngineInstanceBase *si,
const KeyEvent & key)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && _focused_ic == ic)
{
if (!_fallback_instance->process_key_event(key))
_x_send_key_event(key);
}
}
static void
slot_update_lookup_table(IMEngineInstanceBase *si,
const LookupTable & table)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
_panel_client.update_lookup_table(ic->id, table);
}
static void
slot_register_properties(IMEngineInstanceBase *si,
const PropertyList & properties)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
_panel_client.register_properties(ic->id, properties);
}
static void
slot_update_property(IMEngineInstanceBase *si,
const Property & property)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
_panel_client.update_property(ic->id, property);
}
static void
slot_beep(IMEngineInstanceBase *si EINA_UNUSED)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
}
static void
slot_start_helper(IMEngineInstanceBase *si,
const String &helper_uuid)
{
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " helper= " << helper_uuid << " context="
<< (ic ? ic->id : -1) << " ic=" << ic
<< " ic-uuid=" << ((ic ) ? ic->impl->si->get_factory_uuid() : "") << "...\n";
if (ic && ic->impl)
_panel_client.start_helper(ic->id, helper_uuid);
}
static void
slot_stop_helper(IMEngineInstanceBase *si,
const String &helper_uuid)
{
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " helper= " << helper_uuid << " context=" << (ic ? ic->id : -1) << " ic=" << ic << "...\n";
if (ic && ic->impl)
_panel_client.stop_helper(ic->id, helper_uuid);
}
static void
slot_send_helper_event(IMEngineInstanceBase *si,
const String &helper_uuid,
const Transaction &trans)
{
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << " helper= " << helper_uuid << " context="
<< (ic ? ic->id : -1) << " ic=" << ic
<< " ic-uuid=" << ((ic) ? ic->impl->si->get_factory_uuid() : "") << "...\n";
if (ic && ic->impl)
_panel_client.send_helper_event(ic->id, helper_uuid, trans);
}
static bool
slot_get_surrounding_text(IMEngineInstanceBase *si,
WideString &text,
int &cursor,
int maxlen_before,
int maxlen_after)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
{
char *surrounding = NULL;
int cursor_index;
if (ecore_imf_context_surrounding_get(_focused_ic->ctx, &surrounding, &cursor_index))
{
SCIM_DEBUG_FRONTEND(2) << "Surrounding text: " << surrounding <<"\n";
SCIM_DEBUG_FRONTEND(2) << "Cursor Index : " << cursor_index <<"\n";
WideString before(utf8_mbstowcs(String(surrounding, surrounding + cursor_index)));
WideString after(utf8_mbstowcs(String(surrounding + cursor_index)));
if (maxlen_before > 0 && ((unsigned int)maxlen_before) < before.length())
before = WideString(before.begin() + (before.length() - maxlen_before), before.end());
else if (maxlen_before == 0) before = WideString();
if (maxlen_after > 0 && ((unsigned int)maxlen_after) < after.length())
after = WideString(after.begin(), after.begin() + maxlen_after);
else if (maxlen_after == 0) after = WideString();
text = before + after;
cursor = before.length();
return true;
}
}
return false;
}
static bool
slot_delete_surrounding_text(IMEngineInstanceBase *si,
int offset,
int len)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
EcoreIMFContextISF *ic = static_cast<EcoreIMFContextISF *>(si->get_frontend_data());
if (ic && ic->impl && _focused_ic == ic)
{
Ecore_IMF_Event_Delete_Surrounding ev;
ev.ctx = _focused_ic->ctx;
ev.n_chars = len;
ev.offset = offset;
ecore_imf_context_delete_surrounding_event_add(_focused_ic->ctx, offset, len);
ecore_imf_context_event_callback_call(_focused_ic->ctx, ECORE_IMF_CALLBACK_DELETE_SURROUNDING, &ev);
return true;
}
return false;
}
static void
reload_config_callback(const ConfigPointer &config)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
_frontend_hotkey_matcher.load_hotkeys(config);
_imengine_hotkey_matcher.load_hotkeys(config);
KeyEvent key;
scim_string_to_key(key,
config->read(String(SCIM_CONFIG_HOTKEYS_FRONTEND_VALID_KEY_MASK),
String("Shift+Control+Alt+Lock")));
_valid_key_mask = (key.mask > 0)?(key.mask):0xFFFF;
_valid_key_mask |= SCIM_KEY_ReleaseMask;
// Special treatment for two backslash keys on jp106 keyboard.
_valid_key_mask |= SCIM_KEY_QuirkKanaRoMask;
_on_the_spot = config->read(String(SCIM_CONFIG_FRONTEND_ON_THE_SPOT), _on_the_spot);
_shared_input_method = config->read(String(SCIM_CONFIG_FRONTEND_SHARED_INPUT_METHOD), _shared_input_method);
// Get keyboard layout setting
// Flush the global config first, in order to load the new configs from disk.
scim_global_config_flush();
_keyboard_layout = scim_get_default_keyboard_layout();
}
static void
fallback_commit_string_cb(IMEngineInstanceBase *si EINA_UNUSED,
const WideString &str)
{
SCIM_DEBUG_FRONTEND(1) << __FUNCTION__ << "...\n";
if (_focused_ic && _focused_ic->impl)
{
ecore_imf_context_commit_event_add(_focused_ic->ctx, utf8_wcstombs(str).c_str());
ecore_imf_context_event_callback_call(_focused_ic->ctx, ECORE_IMF_CALLBACK_COMMIT, (void *)utf8_wcstombs(str).c_str());
}
}
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