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273 lines
7.6 KiB
273 lines
7.6 KiB
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "UBKeyboardPalette.h"
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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// The key code to be sent.
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// A full list of available codes can be found in /usr/include/X11/keysymdef.h
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//#define KEYCODE XK_Down
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// Function to create a keyboard event
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XKeyEvent createKeyEvent(Display *display, Window &win,
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Window &winRoot, bool press,
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int keycode, int modifiers)
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{
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XKeyEvent event;
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event.display = display;
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event.window = win;
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event.root = winRoot;
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event.subwindow = None;
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event.time = CurrentTime;
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event.x = 1;
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event.y = 1;
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event.x_root = 1;
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event.y_root = 1;
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event.same_screen = True;
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event.keycode = keycode;
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event.state = modifiers;
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if(press)
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event.type = KeyPress;
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else
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event.type = KeyRelease;
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return event;
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}
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void x11SendKey(Display *display, int keyCode, int modifiers)
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{
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// Get the root window for the current display.
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Window winRoot = XDefaultRootWindow(display);
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if (winRoot==0)
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return;
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// Find the window which has the current keyboard focus.
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Window winFocus;
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int revert;
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XGetInputFocus(display, &winFocus, &revert);
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// Send a fake key press event to the window.
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XKeyEvent event = createKeyEvent(display, winFocus, winRoot, true, keyCode, modifiers);
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XSendEvent(event.display, event.window, True, KeyPressMask, (XEvent *)&event);
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// Send a fake key release event to the window.
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event = createKeyEvent(display, winFocus, winRoot, false, keyCode, modifiers);
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XSendEvent(event.display, event.window, True, KeyPressMask, (XEvent *)&event);
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}
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/*
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void traceKeyCodes()
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{
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Display *display = XOpenDisplay(0);
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if(display == NULL)
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return;
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int min_keycodes, max_keycodes, byte_per_code;
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XDisplayKeycodes(display, &min_keycodes, &max_keycodes);
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KeySym* keySyms = XGetKeyboardMapping(display, min_keycodes,
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max_keycodes - min_keycodes, &byte_per_code);
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qDebug() << "Codes table, min_keycodes: " << min_keycodes << ", max_keycodes: "
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<< max_keycodes << ", bytes_per_code:" << byte_per_code;
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for(int i=0; i<max_keycodes - min_keycodes; i++)
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{
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QString str;
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for(int j=0; j<byte_per_code;j++)
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{
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str += QString::number(keySyms[i*byte_per_code + j], 16);
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str += ":";
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}
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qDebug() << i << ":" << str;
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}
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XFree(keySyms);
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XCloseDisplay(display);
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}
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*/
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void UBKeyboardButton::sendUnicodeSymbol(KEYCODE keycode)
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{
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// Obtain the X11 display.
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Display *display = XOpenDisplay(0);
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if(display == NULL)
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return;
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if (!keycode.empty())
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{
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int modifier = keycode.modifier;
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if (keycode.modifier==2) modifier = 0x2000;
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if (keycode.modifier==3) modifier = 0x2001;
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if (keycode.modifier==4) modifier = 0x4000;
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if (keycode.modifier==5) modifier = 0x4001;
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//modifiers 6 and 7 seems are not available.... They are reassigned in layout creationtime
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//if (keycode.modifier==6) modifier = 0x6000;
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//if (keycode.modifier==7) modifier = 0x6001;
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x11SendKey(display, keycode.code + keyboard->min_keycodes , modifier);
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}
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XCloseDisplay(display);
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}
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void UBKeyboardButton::sendControlSymbol(int nSymbol)
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{
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// Obtain the X11 display.
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Display *display = XOpenDisplay(0);
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if(display == NULL)
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return;
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KeyCode keyCode = XKeysymToKeycode(display, nSymbol);
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if (keyCode != NoSymbol)
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{
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x11SendKey(display, keyCode, 0);
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}
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XCloseDisplay(display);
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}
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void UBKeyboardPalette::createCtrlButtons()
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{
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ctrlButtons = new UBKeyboardButton*[9];
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ctrlButtons[0] = new UBCntrlButton(this, XK_BackSpace, "backspace");
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ctrlButtons[1] = new UBCntrlButton(this, XK_Tab, "tab");
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ctrlButtons[2] = new UBCapsLockButton(this, "capslock");
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ctrlButtons[3] = new UBCntrlButton(this, tr("Enter"), XK_Return);
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ctrlButtons[4] = new UBShiftButton(this, "shift");
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ctrlButtons[5] = new UBShiftButton(this, "shift");
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ctrlButtons[6] = new UBLocaleButton(this);
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ctrlButtons[7] = new UBCntrlButton(this, "", XK_space);
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ctrlButtons[8] = new UBLocaleButton(this);
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}
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void UBKeyboardPalette::onActivated(bool activated)
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{
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if (activated)
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{
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if (storage)
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{
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qDebug() << "Keybard already activated....";
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return;
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}
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Display *display = XOpenDisplay(0);
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if(display == NULL)
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return;
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XDisplayKeycodes(display, &this->min_keycodes, &this->max_keycodes);
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KeySym* keySyms = XGetKeyboardMapping(display, min_keycodes,
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max_keycodes - min_keycodes, &byte_per_code);
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storage = keySyms;
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XCloseDisplay(display);
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onLocaleChanged(locales[nCurrentLocale]);
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}
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else
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{
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Display *display = XOpenDisplay(0);
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if(display == NULL)
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{
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qDebug() << "Keybard not activated....";
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return;
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}
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KeySym* keySyms = (KeySym*)storage;
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if (keySyms!=NULL)
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{
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qDebug() << "Default key table restored.....";
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XChangeKeyboardMapping(display, min_keycodes, byte_per_code,
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keySyms, max_keycodes - min_keycodes);
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XFree(keySyms);
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storage = NULL;
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}
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XCloseDisplay(display);
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}
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}
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void UBKeyboardPalette::onLocaleChanged(UBKeyboardLocale* locale)
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{
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Display *display = XOpenDisplay(0);
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if(display == NULL)
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return;
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int byte_per_code;
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KeySym* keySyms = XGetKeyboardMapping(display, min_keycodes,
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max_keycodes - min_keycodes, &byte_per_code);
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for(int i=0; i<SYMBOL_KEYS_COUNT; i++)
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{
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// loop by keybt
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for(int j=0; j<8; j++)
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{
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KEYCODE& kc = (*locale)[i]->codes[j];
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if (!kc.empty())
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{
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if (kc.modifier <= 5)
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keySyms[kc.code * byte_per_code + kc.modifier] = kc.symbol;
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}
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}
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}
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//Now look for modifiers > 5 and reassign them to free places
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for(int i=0; i<SYMBOL_KEYS_COUNT; i++)
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{
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// loop by keybt
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for(int j=0; j<8; j++)
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{
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KEYCODE& kc = (*locale)[i]->codes[j];
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if (!kc.empty())
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{
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if (kc.modifier > 5)
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{
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for(int i1=0; i1<SYMBOL_KEYS_COUNT; i1++)
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for(int j1=0; j1<=5; j1++)
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if (keySyms[i1 * byte_per_code + j1]==NoSymbol)
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{
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kc.code =i1;
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kc.modifier =j1;
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break;
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}
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}
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keySyms[kc.code * byte_per_code + kc.modifier] = kc.symbol;
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}
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}
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}
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XChangeKeyboardMapping(display, min_keycodes, byte_per_code, keySyms, max_keycodes - min_keycodes);
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XFree(keySyms);
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XCloseDisplay(display);
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}
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