151 lines
4.1 KiB
C++
151 lines
4.1 KiB
C++
/*
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PIP - Platform Independent Primitives
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Keyboard grabber for console
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Copyright (C) 2013 Ivan Pelipenko peri4ko@gmail.com
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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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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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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 "pikbdlistener.h"
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bool PIKbdListener::exiting;
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PIKbdListener::PIKbdListener(KBFunc slot, void * data_): PIThread() {
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#ifdef WINDOWS
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hIn = GetStdHandle(STD_INPUT_HANDLE);
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GetConsoleMode(hIn, &smode);
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#else
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struct termios term;
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tcgetattr(0, &term);
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sterm = term;
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#endif
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is_active = true;
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ret_func = slot;
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data = data_;
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PIKbdListener::exiting = exit_enabled = false;
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start();
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}
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void PIKbdListener::begin() {
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//cout << "list begin" << endl;
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#ifdef WINDOWS
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GetConsoleMode(hIn, &tmode);
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SetConsoleMode(hIn, ENABLE_PROCESSED_INPUT);
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#else
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struct termios term;
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tcgetattr(0, &term);
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term.c_lflag &= ~(ECHO | ICANON) | NOFLSH;
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tterm = term;
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tcsetattr(0, TCSAFLUSH, &term);
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#endif
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}
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void PIKbdListener::run() {
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rc = 0;
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char lc = 0;
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#ifdef WINDOWS
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INPUT_RECORD ir;
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ReadConsoleInput(hIn, &ir, 1, &ret);
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if (ir.EventType == KEY_EVENT) {
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KEY_EVENT_RECORD ker = ir.Event.KeyEvent;
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if (ker.bKeyDown) {
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bool ctrl = ((ker.dwControlKeyState & LEFT_CTRL_PRESSED) || (ker.dwControlKeyState & RIGHT_CTRL_PRESSED));
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bool shift = (ker.dwControlKeyState & SHIFT_PRESSED);
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if (ker.dwControlKeyState & CAPSLOCK_ON) shift = !shift;
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//cout << "key " << int(ker.wVirtualKeyCode) << endl;
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switch (ker.wVirtualKeyCode) {
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case 37: ret = 1; lc = (ctrl ? CtrlLeftArrow : LeftArrow); break;
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case 38: ret = 1; lc = (ctrl ? CtrlUpArrow : UpArrow); break;
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case 39: ret = 1; lc = (ctrl ? CtrlRightArrow : RightArrow); break;
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case 40: ret = 1; lc = (ctrl ? CtrlDownArrow : DownArrow); break;
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default: ret = 1; lc = (shift ? char(toupper(ker.uChar.AsciiChar)) : ker.uChar.AsciiChar); break;
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}
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if (lc == 0) return;
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} else return;
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} else return;
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/*if (lc == 0) {
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ReadConsole(hIn, &rc, 1, &ret, 0);
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//cout << "read console" << endl;
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lc = char(rc);
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}*/
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/*if (ret < 0 || ret > 3) return;
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lc = char(((uchar * )&rc)[ret - 1]);
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for (int i = 0; i < ret; ++i)
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cout << std::hex << int(((uchar * )&rc)[i]) << ' ';
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cout << endl << std::hex << rc << endl;*/
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#else
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ret = read(0, &rc, 4);
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if (ret < 0 || ret > 3) return;
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lc = char(((uchar * )&rc)[ret - 1]);
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//for (int i = 0; i < ret; ++i)
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// cout << std::hex << int(((uchar * )&rc)[i]) << ' ';
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//cout << endl << std::hex << rc << endl;
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if (((char * )&rc)[0] == '\e' && ret == 3) {
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if (((char * )&rc)[1] == '[') {
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switch (((char * )&rc)[2]) {
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case 'A': lc = UpArrow; break; // up
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case 'B': lc = DownArrow; break; // down
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case 'C': lc = RightArrow; break; // right
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case 'D': lc = LeftArrow; break; // left
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}
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}
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}
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if (((char * )&rc)[0] == '5' && ret == 2) {
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switch (((char * )&rc)[1]) {
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case 'A': lc = CtrlUpArrow; break; // up
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case 'B': lc = CtrlDownArrow; break; // down
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case 'C': lc = CtrlRightArrow; break; // right
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case 'D': lc = CtrlLeftArrow; break; // left
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}
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}
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#endif
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if (exit_enabled && ret == 1 && lc == exit_key) {
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PIKbdListener::exiting = true;
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return;
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}
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keyPressed(lc, data);
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if (ret_func != 0 && ret > 0) ret_func(lc, data);
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}
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void PIKbdListener::end() {
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//cout << "list end" << endl;
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#ifdef WINDOWS
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SetConsoleMode(hIn, smode);
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#else
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tcsetattr(0, TCSANOW, &sterm);
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#endif
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}
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void PIKbdListener::setActive(bool yes) {
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is_active = yes;
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if (is_active) {
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#ifdef WINDOWS
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SetConsoleMode(hIn, tmode);
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#else
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tcsetattr(0, TCSANOW, &tterm);
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#endif
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} else {
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#ifdef WINDOWS
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SetConsoleMode(hIn, smode);
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#else
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tcsetattr(0, TCSANOW, &sterm);
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#endif
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}
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}
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