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#define Uses_SCIM_EVENT
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/Xutil.h>
#include <sys/time.h>
#include "scim_private.h"
#include "scim.h"
#include "scim_x11_utils.h"
using namespace scim;
static Time get_time (void);
static void initialize_modifier_bits (Display *display);
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;
static Time
get_time (void)
{
int tint;
struct timeval tv;
struct timezone tz; /* is not used since ages */
gettimeofday (&tv, &tz);
tint = (int) tv.tv_sec * 1000;
tint = tint / 1000 * 1000;
tint = tint + tv.tv_usec / 1000;
return ((Time) tint);
}
static void
initialize_modifier_bits (Display *display)
{
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;
::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);
__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);
}
KeyEvent
scim_x11_keyevent_x11_to_scim (Display *display, const XKeyEvent &xkey)
{
KeyEvent scimkey;
KeySym keysym;
XKeyEvent key = xkey;
char buf [32];
initialize_modifier_bits (display);
XLookupString (&key, buf, 32, &keysym, 0);
scimkey.code = keysym;
scimkey.mask = scim_x11_keymask_x11_to_scim (display, xkey.state);
if (key.type == KeyRelease) scimkey.mask |= SCIM_KEY_ReleaseMask;
if (scimkey.code == SCIM_KEY_backslash) {
int keysym_size = 0;
KeySym *keysyms = XGetKeyboardMapping (display, xkey.keycode, 1, &keysym_size);
if (keysyms != NULL) {
if (keysyms[0] == XK_backslash &&
(keysym_size > 1 && keysyms[1] == XK_underscore))
scimkey.mask |= SCIM_KEY_QuirkKanaRoMask;
XFree (keysyms);
}
}
return scimkey;
}
XKeyEvent
scim_x11_keyevent_scim_to_x11 (Display *display, const KeyEvent &scimkey)
{
XKeyEvent xkey;
initialize_modifier_bits (display);
xkey.type = (scimkey.mask & SCIM_KEY_ReleaseMask) ? KeyRelease : KeyPress;
xkey.display = display;
xkey.serial = 0L;
xkey.send_event = False;
xkey.x = xkey.y = xkey.x_root = xkey.y_root = 0;
xkey.time = get_time ();
xkey.same_screen = False;
xkey.subwindow = None;
xkey.window = None;
if (display) {
xkey.root = DefaultRootWindow (display);
xkey.keycode = XKeysymToKeycode (display, (KeySym) scimkey.code);
} else {
xkey.root = None;
xkey.keycode = 0;
}
xkey.state = scim_x11_keymask_scim_to_x11 (display, scimkey.mask);
return xkey;
}
uint16
scim_x11_keymask_x11_to_scim (Display *display, unsigned int xkeystate)
{
uint16 mask = 0;
initialize_modifier_bits (display);
// Check Meta mask first, because it's maybe a mask combination.
if (__current_meta_mask && (xkeystate & __current_meta_mask) == __current_meta_mask) {
mask |= SCIM_KEY_MetaMask;
xkeystate &= ~__current_meta_mask;
}
if (xkeystate & ShiftMask) {
mask |= SCIM_KEY_ShiftMask;
xkeystate &= ~ShiftMask;
}
if (xkeystate & LockMask) {
mask |= SCIM_KEY_CapsLockMask;
xkeystate &= ~LockMask;
}
if (xkeystate & ControlMask) {
mask |= SCIM_KEY_ControlMask;
xkeystate &= ~ControlMask;
}
if (__current_alt_mask && (xkeystate & __current_alt_mask) == __current_alt_mask) {
mask |= SCIM_KEY_AltMask;
xkeystate &= ~__current_alt_mask;
}
if (__current_super_mask && (xkeystate & __current_super_mask) == __current_super_mask) {
mask |= SCIM_KEY_SuperMask;
xkeystate &= ~__current_super_mask;
}
if (__current_hyper_mask && (xkeystate & __current_hyper_mask) == __current_hyper_mask) {
mask |= SCIM_KEY_HyperMask;
xkeystate &= ~__current_hyper_mask;
}
if (__current_numlock_mask && (xkeystate & __current_numlock_mask) == __current_numlock_mask) {
mask |= SCIM_KEY_NumLockMask;
}
return mask;
}
unsigned int scim_x11_keymask_scim_to_x11 (Display *display, uint16 scimkeymask)
{
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;
}
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