/*
* Copyright (c) 2010 Mike Qin <mikeandmore@gmail.com>
*
* The contents of this file are subject to the terms of either the GNU Lesser
* General Public License Version 2.1 only ("LGPL") or the Common Development and
* Distribution License ("CDDL")(collectively, the "License"). You may not use this
* file except in compliance with the License. You can obtain a copy of the CDDL at
* http://www.opensource.org/licenses/cddl1.php and a copy of the LGPLv2.1 at
* http://www.opensource.org/licenses/lgpl-license.php. See the License for the
* specific language governing permissions and limitations under the License. When
* distributing the software, include this License Header Notice in each file and
* include the full text of the License in the License file as well as the
* following notice:
*
* NOTICE PURSUANT TO SECTION 9 OF THE COMMON DEVELOPMENT AND DISTRIBUTION LICENSE
* (CDDL)
* For Covered Software in this distribution, this License shall be governed by the
* laws of the State of California (excluding conflict-of-law provisions).
* Any litigation relating to this License shall be subject to the jurisdiction of
* the Federal Courts of the Northern District of California and the state courts
* of the State of California, with venue lying in Santa Clara County, California.
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or only
* the LGPL Version 2.1, indicate your decision by adding "[Contributor]" elects to
* include this software in this distribution under the [CDDL or LGPL Version 2.1]
* license." If you don't indicate a single choice of license, a recipient has the
* option to distribute your version of this file under either the CDDL or the LGPL
* Version 2.1, or to extend the choice of license to its licensees as provided
* above. However, if you add LGPL Version 2.1 code and therefore, elected the LGPL
* Version 2 license, then the option applies only if the new code is made subject
* to such option by the copyright holder.
*/
#include "xim.h"
#include "ic.h"
#include "common.h"
#include "settings.h"
#include <stdio.h>
static void
__toggle_preedit_status(XIMHandle* handle, bool flag)
{
if (flag)
xim_start_preedit(handle);
else
xim_cancel_preedit(handle);
}
static bool last_shift_available = false;
static bool
__filter_forward_triger_key(XIMHandle* handle, IC* ic, XKeyEvent* evt)
{
KeySym sym = 0;
hotkey_t hk;
settings_get(TRIGGER_KEY, &hk);
XLookupString(evt, NULL, 0, &sym, NULL);
unsigned int masked_state = (evt->state & STATE_MASK);
if (masked_state == hk.modifiers && sym == hk.keysym) {
if (evt->type == KeyRelease) return true;
ic->is_enabled = !ic->is_enabled;
__toggle_preedit_status(handle, ic->is_enabled);
icmgr_refresh();
return true;
}
settings_get(ENG_KEY, &hk);
if ((masked_state & hk.modifiers) == hk.modifiers && sym == hk.keysym) {
if (evt->type == KeyPress) {
last_shift_available = true;
return true;
} else if (evt->type == KeyRelease && last_shift_available) {
last_shift_available = false;
if (ic->is_enabled) {
ic->is_english = !ic->is_english;
icmgr_refresh();
}
}
return true;
} else {
last_shift_available = false;
}
return false;
}
static void
__do_forward_event(XIMHandle* handle, IMForwardEventStruct* proto)
{
/* by pass the event */
IMForwardEventStruct fe;
memset(&fe, 0, sizeof (fe));
fe.major_code = XIM_FORWARD_EVENT;
fe.icid = proto->icid;
fe.connect_id = proto->connect_id;
fe.sync_bit = 0;
fe.serial_number = 0L;
fe.event = proto->event;
IMForwardEvent(handle, (XPointer) &fe);
}
extern void __move_preedit(IC* ic);
int
_xim_forward_event(XIMHandle* handle, IMForwardEventStruct* proto)
{
LOG("%d", proto->icid);
XKeyEvent* evt = (XKeyEvent*) &(proto->event);
IC* ic = icmgr_get_current();
if (ic == NULL) {
icmgr_set_current(proto->icid);
ic = icmgr_get_current();
if (ic == NULL)
return 1;
}
/* some of swing applications like netbeans won't set focus,
* we have to set focus ourself
*/
if (ic->icid != proto->icid || preedit_status() == false) {
icmgr_set_current(proto->icid);
ic = icmgr_get_current();
icmgr_refresh();
}
if (!__filter_forward_triger_key(handle, ic, evt)) {
int masked_state = evt->state & STATE_MASK;
if (masked_state != ShiftMask && masked_state != 0) {
__do_forward_event(handle, proto);
} else if (!ic->is_enabled || ic->is_english) {
__do_forward_event(handle, proto);
} else {
KeySym sym;
XLookupString(evt, NULL, 0, &sym, NULL);
if ((sym <= 0x20 || sym > 0x7E) && preedit_status() == false) {
__do_forward_event(handle, proto);
} else if (sym >= 0x30 && sym <= 0x39
&& preedit_status() == false) {
// digit key pressed
if (settings_get_int(SMART_PUNCT) && evt->type == KeyPress) {
preedit_omit_next_punct();
}
__do_forward_event(handle, proto);
} else {
if (evt->type == KeyPress) {
__move_preedit(ic);
preedit_on_key(handle, sym, evt->state);
} else {
LOG("ignore");
}
}
}
}
return 1;
}