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eve.cpp
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eve.cpp
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/* Copyright (C) 2011 Edward Der-Hua Liu, Hsin-Chu, Taiwan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "hime.h"
#include "gtab.h"
#if UNIX
#include <signal.h>
#include <X11/extensions/XTest.h>
#if !GTK_CHECK_VERSION(2,16,0)
#include <X11/XKBlib.h>
#include <gdk/gdkx.h>
#define gdk_keymap_get_caps_lock_state(x) get_caps_lock_state()
#endif
#endif
#include "gst.h"
#include "pho.h"
#include "im-client/hime-im-client-attr.h"
#include "win1.h"
#include "hime-module.h"
#include "hime-module-cb.h"
#define STRBUFLEN 64
extern Display *dpy;
#if USE_XIM
extern XIMS current_ims;
static IMForwardEventStruct *current_forward_eve;
#endif
extern gboolean win_kbm_inited;
static char *callback_str_buffer;
Window focus_win;
static int timeout_handle;
char *output_buffer;
int output_bufferN;
static char *output_buffer_raw, *output_buffer_raw_bak;
static int output_buffer_rawN;
#if WIN32
gboolean test_mode;
int last_input_method;
#endif
void set_wselkey(char *s);
void gtab_set_win1_cb();
gboolean old_capslock_on;
void init_gtab(int inmdno);
char current_method_type()
{
// dbg("default_input_method %d\n",default_input_method);
if (!current_CS)
#if UNIX
return inmd[default_input_method].method_type;
#else
{
if (!last_input_method)
last_input_method = default_input_method;
return inmd[last_input_method].method_type;
}
#endif
// dbg("current_CS->in_method %d\n", current_CS->in_method);
return inmd[current_CS->in_method].method_type;
}
#if WIN32
void win32_FakeKey(UINT vk, bool key_pressed);
#endif
void send_fake_key_eve(KeySym key)
{
#if WIN32
win32_FakeKey(key, true);
win32_FakeKey(key, false);
#else
KeyCode kc = XKeysymToKeycode(dpy, key);
XTestFakeKeyEvent(dpy, kc, True, CurrentTime);
XTestFakeKeyEvent(dpy, kc, False, CurrentTime);
#endif
}
void fake_shift()
{
send_fake_key_eve(XK_Shift_L);
}
void swap_ptr(char **a, char **b)
{
char *t = *a;
*a = *b;
*b = t;
}
int force_preedit=0;
void force_preedit_shift()
{
send_fake_key_eve(XK_Shift_L);
force_preedit=1;
}
void send_text_call_back(char *text)
{
callback_str_buffer = (char *)realloc(callback_str_buffer, strlen(text)+1);
strcpy(callback_str_buffer, text);
fake_shift();
}
void output_buffer_call_back()
{
swap_ptr(&callback_str_buffer, &output_buffer);
if (output_buffer)
output_buffer[0] = 0;
output_bufferN = 0;
fake_shift();
}
ClientState *current_CS;
static ClientState temp_CS;
void save_CS_current_to_temp()
{
#if UNIX
if (!hime_single_state)
return;
// dbg("save_CS_current_to_temp\n");
temp_CS.b_half_full_char = current_CS->b_half_full_char;
temp_CS.im_state = current_CS->im_state;
temp_CS.in_method = current_CS->in_method;
temp_CS.tsin_pho_mode = current_CS->tsin_pho_mode;
#endif
}
void save_CS_temp_to_current()
{
#if UNIX
if (!hime_single_state)
return;
// dbg("save_CS_temp_to_current\n");
current_CS->b_half_full_char = temp_CS.b_half_full_char;
current_CS->im_state = temp_CS.im_state;
current_CS->in_method = temp_CS.in_method;
current_CS->tsin_pho_mode = temp_CS.tsin_pho_mode;
#endif
}
gboolean init_in_method(int in_no);
void clear_output_buffer()
{
if (output_buffer)
output_buffer[0] = 0;
output_bufferN = 0;
swap_ptr(&output_buffer_raw, &output_buffer_raw_bak);
if (output_buffer_raw)
output_buffer_raw[0] = 0;
output_buffer_rawN = 0;
}
gboolean gb_output = FALSE;
void toggle_gb_output()
{
gb_output = !gb_output;
}
/* Force to output Simplified Chinese */
void sim_output()
{
gb_output = TRUE;
}
/* Force to output original string, usually are Traditional Chinese */
void trad_output()
{
gb_output = FALSE;
}
static void append_str(char **buf, int *bufN, char *text, int len)
{
int requiredN = len + 1 + *bufN;
*buf = (char *)realloc(*buf, requiredN);
(*buf)[*bufN] = 0;
strcat(*buf, text);
*bufN += len;
}
int trad2sim(char *str, int strN, char **out);
void add_ch_time_str(char *s);
void send_text(char *text)
{
#if WIN32
if (test_mode)
return;
#endif
char *filter;
if (!text)
return;
int len = strlen(text);
add_ch_time_str(text);
append_str(&output_buffer_raw, &output_buffer_rawN, text, len);
char *utf8_gbtext = NULL;
if (gb_output) {
len = trad2sim(text, len, &utf8_gbtext);
text = utf8_gbtext;
}
//direct:
#if UNIX
filter = getenv("HIME_OUTPUT_FILTER");
char filter_text[512];
if (filter) {
int pfdr[2], pfdw[2];
if (pipe(pfdr) == -1) {
dbg("cannot pipe r\n");
goto next;
}
if (pipe(pfdw) == -1) {
dbg("cannot pipe w\n");
goto next;
}
int pid = fork();
if (pid < 0) {
dbg("cannot fork filter\n");
goto next;
}
if (pid) {
close(pfdw[0]);
close(pfdr[1]);
write(pfdw[1], text, len);
close(pfdw[1]);
int rn = read(pfdr[0], filter_text, sizeof(filter_text) - 1);
filter_text[rn] = 0;
// puts(filter_text);
close(pfdr[0]);
text = filter_text;
len = rn;
} else {
close(pfdr[0]);
close(pfdw[1]);
dup2(pfdw[0], 0);
dup2(pfdr[1], 1);
if (execl(filter, filter, NULL) < 0) {
dbg("execl %s err", filter);
goto next;
}
}
}
#endif
next:
if (len) {
append_str(&output_buffer, &output_bufferN, text, len);
}
free(utf8_gbtext);
}
void send_output_buffer_bak()
{
send_text(output_buffer_raw_bak);
}
void set_output_buffer_bak_to_clipboard()
{
char *text, *utf8_gbtext=NULL;
if (gb_output) {
trad2sim(output_buffer_raw_bak, strlen(output_buffer_raw_bak),
&utf8_gbtext);
text = utf8_gbtext;
} else
text = output_buffer_raw_bak;
#if UNIX && 0
GtkClipboard *pclipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
#else
GtkClipboard *pclipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
#endif
gtk_clipboard_set_text(pclipboard, text, -1);
free(utf8_gbtext);
}
void send_utf8_ch(char *bchar)
{
char tt[CH_SZ+1];
int len = utf8_sz(bchar);
memcpy(tt, bchar, len);
tt[len]=0;
send_text(tt);
}
void send_ascii(char key)
{
send_utf8_ch(&key);
}
#if USE_XIM
void export_text_xim()
{
char *text = output_buffer;
if (!output_bufferN)
return;
XTextProperty tp;
#if 0
char outbuf[512];
utf8_big5(output_buffer, outbuf);
text = outbuf;
XmbTextListToTextProperty(dpy, &text, 1, XCompoundTextStyle, &tp);
#else
Xutf8TextListToTextProperty(dpy, &text, 1, XCompoundTextStyle, &tp);
#endif
#if DEBUG && 0
dbg("send_utf8_ch: %s\n", text);
#endif
((IMCommitStruct*)current_forward_eve)->flag |= XimLookupChars;
((IMCommitStruct*)current_forward_eve)->commit_string = (char *)tp.value;
IMCommitString(current_ims, (XPointer)current_forward_eve);
clear_output_buffer();
XFree(tp.value);
}
static void bounce_back_key()
{
IMForwardEventStruct forward_ev = *(current_forward_eve);
IMForwardEvent(current_ims, (XPointer)&forward_ev);
}
#endif
void hide_win0();
void hide_win_gtab();
void hide_win_pho();
int current_in_win_x = -1, current_in_win_y = -1; // request x/y
void reset_current_in_win_xy()
{
current_in_win_x = current_in_win_y = -1;
}
HIME_module_callback_functions *module_cb1(ClientState *cs)
{
return inmd[cs->in_method].mod_cb_funcs;
}
HIME_module_callback_functions *module_cb()
{
if (!current_CS)
return NULL;
return module_cb1(current_CS);
}
void hide_in_win(ClientState *cs)
{
if (!cs) {
#if 0
dbg("hide_in_win: ic is null\n");
#endif
return;
}
#if 0
dbg("hide_in_win %d\n", ic->in_method);
#endif
if (timeout_handle) {
g_source_remove(timeout_handle);
timeout_handle = 0;
}
switch (current_method_type()) {
case method_type_PHO:
hide_win_pho();
break;
#if USE_TSIN
case method_type_TSIN:
// flush_tsin_buffer();
hide_win0();
break;
#endif
case method_type_MODULE:
if (inmd[cs->in_method].mod_cb_funcs)
module_cb1(cs)->module_hide_win();
break;
default:
hide_win_gtab();
}
reset_current_in_win_xy();
}
void show_win_pho();
void show_win0();
void show_win_gtab();
void disp_tray_icon();
void check_CS()
{
if (!current_CS) {
// dbg("!current_CS");
current_CS = &temp_CS;
// temp_CS.input_style = InputStyleOverSpot;
// temp_CS.im_state = HIME_STATE_CHINESE;
#if TRAY_ENABLED
disp_tray_icon();
#endif
}
else {
#if 0
if (hime_single_state)
save_CS_temp_to_current();
else
#endif
temp_CS = *current_CS;
}
}
gboolean force_show;
void show_in_win(ClientState *cs)
{
if (!cs) {
#if 0
dbg("show_in_win: ic is null");
#endif
return;
}
switch (current_method_type()) {
case method_type_PHO:
show_win_pho();
break;
#if USE_TSIN
case method_type_TSIN:
show_win0();
break;
#endif
case method_type_MODULE:
module_cb1(cs)->module_show_win();
break;
default:
show_win_gtab();
}
#if 0
show_win_stautus();
#endif
}
void move_win_gtab(int x, int y);
void move_win0(int x, int y);
void move_win_pho(int x, int y);
void move_in_win(ClientState *cs, int x, int y)
{
check_CS();
if (current_CS && current_CS->fixed_pos) {
x = current_CS->fixed_x;
y = current_CS->fixed_y;
} else
if (hime_input_style == InputStyleRoot) {
x = hime_root_x;
y = hime_root_y;
}
#if 0
dbg("move_in_win %d %d\n",x, y);
#endif
#if 0
if (current_in_win_x == x && current_in_win_y == y)
return;
#endif
current_in_win_x = x ; current_in_win_y = y;
switch (current_method_type()) {
case method_type_PHO:
move_win_pho(x, y);
break;
#if USE_TSIN
case method_type_TSIN:
move_win0(x, y);
break;
#endif
case method_type_MODULE:
if (inmd[cs->in_method].mod_cb_funcs)
module_cb1(cs)->module_move_win(x, y);
break;
default:
if (!cs->in_method)
return;
move_win_gtab(x, y);
}
}
#if UNIX
static int xerror_handler(Display *d, XErrorEvent *eve)
{
return 0;
}
#endif
void getRootXY(Window win, int wx, int wy, int *tx, int *ty)
{
if (!win) {
*tx = wx;
*ty = wy;
return;
}
#if WIN32
POINT pt;
pt.x = wx; pt.y = wy;
ClientToScreen((HWND)win, &pt);
*tx = pt.x; *ty=pt.y;
#else
Window ow;
XErrorHandler olderr = XSetErrorHandler((XErrorHandler)xerror_handler);
XTranslateCoordinates(dpy,win,root,wx,wy,tx,ty,&ow);
XSetErrorHandler(olderr);
#endif
}
void move_IC_in_win(ClientState *cs)
{
#if 0
dbg("move_IC_in_win %d,%d\n", cs->spot_location.x, cs->spot_location.y);
#endif
Window inpwin = cs->client_win;
#if UNIX
if (!inpwin) {
dbg("no inpwin\n");
return;
}
#endif
// non focus win filtering is done in the client lib
if (inpwin != focus_win && focus_win && !cs->b_hime_protocol) {
return;
}
int inpx = cs->spot_location.x;
int inpy = cs->spot_location.y;
#if UNIX
XWindowAttributes att;
XGetWindowAttributes(dpy, inpwin, &att);
// chrome window is override_redirect
// if (att.override_redirect)
// return;
if (inpx >= att.width)
inpx = att.width - 1;
if (inpy >= att.height)
inpy = att.height - 1;
#else
if (inpwin) {
RECT rect;
GetClientRect((HWND)inpwin, &rect);
if (inpx >= rect.right)
inpx = rect.right - 1;
if (inpy >= rect.bottom)
inpy = rect.bottom - 1;
}
// dbg("GetClientRect %x %d,%d\n", inpwin, inpx, inpy);
#endif
int tx,ty;
getRootXY(inpwin, inpx, inpy, &tx, &ty);
#if 0
dbg("move_IC_in_win inpxy:%d,%d txy:%d,%d\n", inpx, inpy, tx, ty);
#endif
move_in_win(cs, tx, ty+1);
}
void update_in_win_pos()
{
check_CS();
// dbg("update_in_win_pos %x %d\n", current_CS, current_CS->input_style);
if (current_CS->input_style == InputStyleRoot) {
#if UNIX
Window r_root, r_child;
int winx, winy, rootx, rooty;
u_int mask;
XQueryPointer(dpy, root, &r_root, &r_child, &rootx, &rooty, &winx, &winy, &mask);
winx++; winy++;
Window inpwin = current_CS->client_win;
#if 0
dbg("update_in_win_pos\n");
#endif
if (inpwin) {
int tx, ty;
Window ow;
XTranslateCoordinates(dpy, root, inpwin, winx, winy, &tx, &ty, &ow);
current_CS->spot_location.x = tx;
current_CS->spot_location.y = ty;
}
#else
int winx=0, winy=0;
current_CS->spot_location.x = 0;
current_CS->spot_location.y = 0;
#endif
move_in_win(current_CS, winx, winy);
} else {
move_IC_in_win(current_CS);
}
}
void win_pho_disp_half_full();
void win_tsin_disp_half_full();
void win_gtab_disp_half_full();
void update_tray_icon(), load_tray_icon(), load_tray_icon_win32();
static int current_hime_win32_icon = -1;
void restart_hime0();
extern void destroy_tray_win32();
extern void destroy_tray_icon();
#if TRAY_ENABLED
#if UNIX
void destroy_tray()
{
if (current_hime_win32_icon)
destroy_tray_win32();
else
destroy_tray_icon();
}
#endif
void disp_tray_icon()
{
// dbg("disp_tray_icon\n");
//dbg("disp_tray_icon %d %d\n", current_hime_win32_icon, hime_win32_icon);
#if UNIX
if (current_hime_win32_icon >= 0 && current_hime_win32_icon != hime_win32_icon) {
destroy_tray();
}
current_hime_win32_icon = hime_win32_icon;
if (hime_win32_icon)
#endif
load_tray_icon_win32();
#if UNIX
else
load_tray_icon();
#endif
}
#endif
void disp_im_half_full()
{
// dbg("disp_im_half_full\n");
#if TRAY_ENABLED
disp_tray_icon();
#endif
switch (current_method_type()) {
case method_type_PHO:
win_pho_disp_half_full();
break;
#if USE_TSIN
case method_type_TSIN:
win_tsin_disp_half_full();
break;
#endif
default:
win_gtab_disp_half_full();
break;
}
}
void flush_tsin_buffer();
void reset_gtab_all();
void set_tsin_pho_mode0(ClientState *cs);
//static u_int orig_caps_state;
void init_state_chinese(ClientState *cs)
{
cs->im_state = HIME_STATE_CHINESE;
set_tsin_pho_mode0(cs);
if (!cs->in_method)
#if UNIX
init_in_method(default_input_method);
#else
if (!last_input_method)
last_input_method = default_input_method;
init_in_method(last_input_method);
#endif
save_CS_current_to_temp();
}
gboolean output_gbuf();
void update_win_kbm();
void toggle_im_enabled()
{
// dbg("toggle_im_enabled\n");
check_CS();
if (current_CS->in_method < 0)
p_err("err found");
if (current_CS->im_state != HIME_STATE_DISABLED) {
if (current_CS->im_state == HIME_STATE_ENG_FULL) {
current_CS->im_state = HIME_STATE_CHINESE;
disp_im_half_full();
save_CS_current_to_temp();
return;
}
if (current_method_type() == method_type_TSIN) {
#if USE_TSIN
flush_tsin_buffer();
#endif
}
else {
output_gbuf();
reset_gtab_all();
}
hide_in_win(current_CS);
#if 0
hide_win_status();
#endif
current_CS->im_state = HIME_STATE_DISABLED;
update_win_kbm();
#if TRAY_ENABLED
disp_tray_icon();
#endif
} else {
if (!current_method_type())
init_gtab(current_CS->in_method);
init_state_chinese(current_CS);
reset_current_in_win_xy();
#if 1
show_in_win(current_CS);
update_in_win_pos();
#else
update_in_win_pos();
show_in_win(current_CS);
#endif
update_win_kbm();
#if TRAY_ENABLED
disp_tray_icon();
#endif
}
save_CS_current_to_temp();
}
void get_win_gtab_geom();
void get_win0_geom();
void get_win_pho_geom();
void update_active_in_win_geom()
{
// dbg("update_active_in_win_geom\n");
switch (current_method_type()) {
case method_type_PHO:
get_win_pho_geom();
break;
#if USE_TSIN
case method_type_TSIN:
get_win0_geom();
break;
#endif
case method_type_MODULE:
module_cb()->module_get_win_geom();
break;
default:
get_win_gtab_geom();
break;
}
}
extern GtkWidget *gwin_pho, *gwin0, *gwin_gtab;
gboolean win_is_visible()
{
if (!current_CS)
return FALSE;
switch (current_method_type()) {
case method_type_PHO:
return gwin_pho && GTK_WIDGET_VISIBLE(gwin_pho);
#if USE_TSIN
case method_type_TSIN:
return gwin0 && GTK_WIDGET_VISIBLE(gwin0);
#endif
case method_type_MODULE:
return module_cb()->module_win_visible();
default:
if (!gwin_gtab)
return FALSE;
return gwin_gtab && GTK_WIDGET_VISIBLE(gwin_gtab);
}
return FALSE;
}
void disp_gtab_half_full(gboolean hf);
void tsin_toggle_half_full();
void toggle_half_full_char()
{
#if WIN32
if (test_mode)
return;
#endif
check_CS();
if (!hime_shift_space_eng_full) {
current_CS->b_half_full_char = 0;
tss.tsin_half_full=0;
disp_im_half_full();
return;
}
// dbg("toggle_half_full_char\n");
if (current_method_type() == method_type_TSIN && current_CS->im_state == HIME_STATE_CHINESE) {
tsin_toggle_half_full();
}
else {
if (current_CS->im_state == HIME_STATE_ENG_FULL) {
current_CS->im_state = HIME_STATE_DISABLED;
hide_in_win(current_CS);
} else
if (current_CS->im_state == HIME_STATE_DISABLED) {
toggle_im_enabled();
current_CS->im_state = HIME_STATE_ENG_FULL;
} else
if (current_CS->im_state == HIME_STATE_CHINESE) {
current_CS->b_half_full_char = !current_CS->b_half_full_char;
}
// dbg("current_CS->in_method %d\n", current_CS->in_method);
disp_im_half_full();
}
save_CS_current_to_temp();
// dbg("half full toggle\n");
}
void init_tab_pp(gboolean init);
void init_tab_pho();
extern int b_show_win_kbm;
void hide_win_kbm();
extern gboolean win_sym_enabled;
void show_win_kbm();
extern char *TableDir;
void set_gtab_input_method_name(char *s);
HIME_module_callback_functions *init_HIME_module_callback_functions(char *sofile);
time_t find_tab_file(char *fname, char *out_file);
gboolean tsin_page_up(), tsin_page_down();
int tsin_sele_by_idx(int);
static void tsin_set_win1_cb()
{
set_win1_cb((cb_selec_by_idx_t)tsin_sele_by_idx, (cb_page_ud_t)tsin_page_up, (cb_page_ud_t)tsin_page_down);
}
void update_win_kbm_inited()
{
if (win_kbm_inited)
update_win_kbm();
}
gboolean init_in_method(int in_no)
{
gboolean init_im = !(cur_inmd && (cur_inmd->flag & FLAG_GTAB_SYM_KBM));
if (in_no < 0)
return FALSE;
check_CS();
if (current_CS->in_method != in_no) {
if (!(inmd[in_no].flag & FLAG_GTAB_SYM_KBM)) {
if (current_method_type() == method_type_TSIN) {
flush_tsin_buffer();
} else
output_gbuf();
hide_in_win(current_CS);
}
if (cur_inmd && (cur_inmd->flag & FLAG_GTAB_SYM_KBM))
hide_win_kbm();
}
reset_current_in_win_xy();
// dbg("switch init_in_method %x %d\n", current_CS, in_no);
set_tsin_pho_mode0(current_CS);
tsin_set_win1_cb();
switch (inmd[in_no].method_type) {
case method_type_PHO:
current_CS->in_method = in_no;
init_tab_pho();
break;
case method_type_TSIN:
set_wselkey(pho_selkey);
current_CS->in_method = in_no;
init_tab_pp(init_im);
break;
case method_type_MODULE:
{
HIME_module_main_functions gmf;
init_HIME_module_main_functions(&gmf);
if (!inmd[in_no].mod_cb_funcs) {
char ttt[256];
strcpy(ttt, inmd[in_no].filename);
dbg("module %s\n", ttt);
if (!(inmd[in_no].mod_cb_funcs = init_HIME_module_callback_functions(ttt))) {
dbg("module not found\n");
return FALSE;
}
}
if (inmd[in_no].mod_cb_funcs->module_init_win(&gmf)) {
current_CS->in_method = in_no;
module_cb()->module_show_win();
set_wselkey(pho_selkey);