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310
backends/events/atari/atari-events.cpp
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310
backends/events/atari/atari-events.cpp
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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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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*/
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#define FORBIDDEN_SYMBOL_EXCEPTION_FILE // atari-graphics.h's unordered_set
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#include "backends/events/atari/atari-events.h"
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#include <mint/osbind.h>
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#include "backends/graphics/atari/atari-graphics.h"
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#include "backends/platform/atari/osystem_atari.h"
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#include "common/rect.h"
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#define SCANCODES_SIZE 256
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volatile uint8 g_atari_ikbd_scancodes[SCANCODES_SIZE];
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uint16 g_atari_ikbd_scancodes_mask = SCANCODES_SIZE-1;
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volatile uint16 g_atari_ikbd_scancodes_head = 0;
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static uint16 g_atari_ikbd_scancodes_tail = 0;
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//! bit 0: rmb
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//! bit 1: lmb
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#define MOUSEBUTTONS_SIZE 4
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volatile uint8 g_atari_ikbd_mousebuttons[MOUSEBUTTONS_SIZE];
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uint16 g_atari_ikbd_mousebuttons_mask = MOUSEBUTTONS_SIZE-1;
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volatile uint16 g_atari_ikbd_mousebuttons_head = 0;
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static uint16 g_atari_ikbd_mousebuttons_tail = 0;
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volatile int16 g_atari_ikbd_mouse_delta_x = 0;
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volatile int16 g_atari_ikbd_mouse_delta_y = 0;
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AtariEventSource::AtariEventSource() {
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_system = dynamic_cast<OSystem_Atari*>(g_system);
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assert(_system != nullptr);
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_KEYTAB *pKeyTables = (_KEYTAB*)Keytbl(KT_NOCHANGE, KT_NOCHANGE, KT_NOCHANGE);
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memcpy(_unshiftToAscii, pKeyTables->unshift, 128);
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memcpy(_shiftToAscii, pKeyTables->shift, 128);
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memcpy(_capsToAscii, pKeyTables->caps, 128);
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_scancodeToKeycode[0x01] = Common::KEYCODE_ESCAPE;
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_scancodeToKeycode[0x0e] = Common::KEYCODE_BACKSPACE;
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_scancodeToKeycode[0x0f] = Common::KEYCODE_TAB;
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_scancodeToKeycode[0x1c] = Common::KEYCODE_RETURN;
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_scancodeToKeycode[0x1d] = Common::KEYCODE_LCTRL; // Eiffel doesn't recognise RCTRL
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_scancodeToKeycode[0x2a] = Common::KEYCODE_LSHIFT;
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_scancodeToKeycode[0x36] = Common::KEYCODE_RSHIFT;
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_scancodeToKeycode[0x38] = Common::KEYCODE_LALT; // Eiffel doesn't recognise RALT
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_scancodeToKeycode[0x39] = Common::KEYCODE_SPACE;
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_scancodeToKeycode[0x3a] = Common::KEYCODE_CAPSLOCK;
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_scancodeToKeycode[0x3b] = Common::KEYCODE_F1;
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_scancodeToKeycode[0x3c] = Common::KEYCODE_F2;
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_scancodeToKeycode[0x3d] = Common::KEYCODE_F3;
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_scancodeToKeycode[0x3e] = Common::KEYCODE_F4;
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_scancodeToKeycode[0x3f] = Common::KEYCODE_F5;
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_scancodeToKeycode[0x40] = Common::KEYCODE_F6;
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_scancodeToKeycode[0x41] = Common::KEYCODE_F7;
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_scancodeToKeycode[0x42] = Common::KEYCODE_F8;
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_scancodeToKeycode[0x43] = Common::KEYCODE_F9;
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_scancodeToKeycode[0x44] = Common::KEYCODE_F10;
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_scancodeToKeycode[0x45] = Common::KEYCODE_PAGEUP; // Eiffel only
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_scancodeToKeycode[0x46] = Common::KEYCODE_PAGEDOWN; // Eiffel only
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_scancodeToKeycode[0x47] = Common::KEYCODE_HOME;
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_scancodeToKeycode[0x48] = Common::KEYCODE_UP;
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_scancodeToKeycode[0x49] = Common::KEYCODE_PRINT; // Eiffel only
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_scancodeToKeycode[0x4a] = Common::KEYCODE_KP_MINUS;
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_scancodeToKeycode[0x4b] = Common::KEYCODE_LEFT;
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_scancodeToKeycode[0x4c] = Common::KEYCODE_SCROLLOCK; // Eiffel only (on Milan: AltGr!)
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_scancodeToKeycode[0x4d] = Common::KEYCODE_RIGHT;
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_scancodeToKeycode[0x4e] = Common::KEYCODE_KP_PLUS;
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_scancodeToKeycode[0x4f] = Common::KEYCODE_PAUSE; // Eiffel only
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_scancodeToKeycode[0x50] = Common::KEYCODE_DOWN;
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_scancodeToKeycode[0x52] = Common::KEYCODE_INSERT;
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_scancodeToKeycode[0x53] = Common::KEYCODE_DELETE;
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_scancodeToKeycode[0x54] = Common::KEYCODE_NUMLOCK; // Eiffel only
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_scancodeToKeycode[0x55] = Common::KEYCODE_END; // Eiffel only
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_scancodeToKeycode[0x56] = Common::KEYCODE_LMETA; // Eiffel only
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_scancodeToKeycode[0x57] = Common::KEYCODE_RMETA; // Eiffel only
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_scancodeToKeycode[0x58] = Common::KEYCODE_MENU; // Eiffel only
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_scancodeToKeycode[0x5b] = Common::KEYCODE_TILDE; // Eiffel only
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_scancodeToKeycode[0x61] = Common::KEYCODE_F12; // UNDO (there's also Common::KEYCODE_UNDO available...)
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_scancodeToKeycode[0x62] = Common::KEYCODE_F11; // HELP (there's also Common::KEYCODE_HELP available...)
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_scancodeToKeycode[0x63] = Common::KEYCODE_LEFTPAREN; // KEYPAD (
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_scancodeToKeycode[0x64] = Common::KEYCODE_RIGHTPAREN; // KEYPAD )
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_scancodeToKeycode[0x65] = Common::KEYCODE_KP_DIVIDE; // KEYPAD /
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_scancodeToKeycode[0x66] = Common::KEYCODE_KP_MULTIPLY; // KEYPAD *
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_scancodeToKeycode[0x67] = Common::KEYCODE_KP7; // KEYPAD 7
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_scancodeToKeycode[0x68] = Common::KEYCODE_KP8; // KEYPAD 8
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_scancodeToKeycode[0x69] = Common::KEYCODE_KP9; // KEYPAD 9
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_scancodeToKeycode[0x6a] = Common::KEYCODE_KP4; // KEYPAD 4
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_scancodeToKeycode[0x6b] = Common::KEYCODE_KP5; // KEYPAD 5
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_scancodeToKeycode[0x6c] = Common::KEYCODE_KP6; // KEYPAD 6
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_scancodeToKeycode[0x6d] = Common::KEYCODE_KP1; // KEYPAD 1
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_scancodeToKeycode[0x6e] = Common::KEYCODE_KP2; // KEYPAD 2
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_scancodeToKeycode[0x6f] = Common::KEYCODE_KP3; // KEYPAD 3
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_scancodeToKeycode[0x70] = Common::KEYCODE_KP0; // KEYPAD 0
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_scancodeToKeycode[0x71] = Common::KEYCODE_KP_PERIOD;
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_scancodeToKeycode[0x72] = Common::KEYCODE_KP_ENTER;
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}
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bool AtariEventSource::pollEvent(Common::Event &event) {
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if (!_graphicsManager)
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return false;
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_system->update();
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if (g_atari_ikbd_mousebuttons_head != g_atari_ikbd_mousebuttons_tail) {
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byte buttonState = g_atari_ikbd_mousebuttons[g_atari_ikbd_mousebuttons_tail++];
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g_atari_ikbd_mousebuttons_tail &= MOUSEBUTTONS_SIZE-1;
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if (buttonState & 0x01) {
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_rmbDown = true;
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event.type = Common::EVENT_RBUTTONDOWN;
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event.mouse = _graphicsManager->getMousePosition();
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return true;
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} else if (_rmbDown) {
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_rmbDown = false;
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event.type = Common::EVENT_RBUTTONUP;
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event.mouse = _graphicsManager->getMousePosition();
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return true;
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}
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if (buttonState & 0x02) {
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_lmbDown = true;
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event.type = Common::EVENT_LBUTTONDOWN;
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event.mouse = _graphicsManager->getMousePosition();
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return true;
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} else if (_lmbDown) {
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_lmbDown = false;
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event.type = Common::EVENT_LBUTTONUP;
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event.mouse = _graphicsManager->getMousePosition();
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return true;
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}
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}
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if (g_atari_ikbd_mouse_delta_x != 0 || g_atari_ikbd_mouse_delta_y != 0) {
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const int deltaX = g_atari_ikbd_mouse_delta_x;
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const int deltaY = g_atari_ikbd_mouse_delta_y;
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g_atari_ikbd_mouse_delta_x = g_atari_ikbd_mouse_delta_y = 0;
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_graphicsManager->updateMousePosition(deltaX, deltaY);
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event.type = Common::EVENT_MOUSEMOVE;
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event.mouse = _graphicsManager->getMousePosition();
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event.relMouse = Common::Point(deltaX, deltaY);
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return true;
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}
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if (g_atari_ikbd_scancodes_head != g_atari_ikbd_scancodes_tail) {
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byte scancode = g_atari_ikbd_scancodes[g_atari_ikbd_scancodes_tail++];
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g_atari_ikbd_scancodes_tail &= SCANCODES_SIZE-1;
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bool pressed = !(scancode & 0x80);
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scancode &= 0x7f;
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if (scancode == 0x1d)
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_ctrlActive = pressed;
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if (scancode == 0x2a)
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_lshiftActive = pressed;
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if (scancode == 0x36)
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_rshiftActive = pressed;
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if (scancode == 0x38)
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_altActive = pressed;
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if (scancode == 0x3a && pressed)
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_capslockActive = !_capslockActive;
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if (scancode == 0x4c && pressed)
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_scrolllockActive = !_scrolllockActive;
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if (scancode == 0x54 && pressed)
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_numlockActive = !_numlockActive;
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// Eiffel only
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if (scancode == 0x37) {
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if (pressed) {
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_mmbDown = true;
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event.type = Common::EVENT_MBUTTONDOWN;
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event.mouse = _graphicsManager->getMousePosition();
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return true;
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} else if (_mmbDown) {
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_mmbDown = false;
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event.type = Common::EVENT_MBUTTONUP;
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event.mouse = _graphicsManager->getMousePosition();
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return true;
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}
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}
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// Eiffel only
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if (scancode == 0x59) {
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event.type = Common::EVENT_WHEELUP;
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event.mouse = _graphicsManager->getMousePosition();
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return true;
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}
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// Eiffel only
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if (scancode == 0x5a) {
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event.type = Common::EVENT_WHEELDOWN;
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event.mouse = _graphicsManager->getMousePosition();
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return true;
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}
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uint16 ascii;
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if (_lshiftActive || _rshiftActive) {
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ascii = _shiftToAscii[scancode];
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} else if (_capslockActive) {
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ascii = _capsToAscii[scancode];
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} else {
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ascii = _unshiftToAscii[scancode];
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}
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Common::KeyCode keycode = _scancodeToKeycode.getValOrDefault(scancode, Common::KEYCODE_INVALID);
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switch (keycode) {
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case Common::KEYCODE_BACKSPACE:
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ascii = Common::ASCII_BACKSPACE;
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break;
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case Common::KEYCODE_TAB:
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ascii = Common::ASCII_TAB;
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break;
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case Common::KEYCODE_RETURN:
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case Common::KEYCODE_KP_ENTER:
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ascii = Common::ASCII_RETURN;
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break;
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case Common::KEYCODE_ESCAPE:
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ascii = Common::ASCII_ESCAPE;
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break;
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case Common::KEYCODE_SPACE:
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ascii = Common::ASCII_SPACE;
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break;
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case Common::KEYCODE_F1:
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ascii = Common::ASCII_F1;
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break;
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case Common::KEYCODE_F2:
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ascii = Common::ASCII_F2;
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break;
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case Common::KEYCODE_F3:
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ascii = Common::ASCII_F3;
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break;
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case Common::KEYCODE_F4:
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ascii = Common::ASCII_F4;
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break;
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case Common::KEYCODE_F5:
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ascii = Common::ASCII_F5;
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break;
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case Common::KEYCODE_F6:
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ascii = Common::ASCII_F6;
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break;
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case Common::KEYCODE_F7:
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ascii = Common::ASCII_F7;
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break;
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case Common::KEYCODE_F8:
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ascii = Common::ASCII_F8;
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break;
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case Common::KEYCODE_F9:
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ascii = Common::ASCII_F9;
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break;
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case Common::KEYCODE_F10:
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ascii = Common::ASCII_F10;
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break;
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case Common::KEYCODE_F11:
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ascii = Common::ASCII_F11;
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break;
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case Common::KEYCODE_F12:
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ascii = Common::ASCII_F12;
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break;
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default:
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break;
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}
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if (ascii >= ' ' && ascii <= '~') {
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if (keycode == Common::KEYCODE_INVALID)
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keycode = _asciiToKeycode[ascii - ' '];
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}
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event.type = pressed ? Common::EVENT_KEYDOWN : Common::EVENT_KEYUP;
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event.kbd = Common::KeyState(keycode, ascii);
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event.kbd.flags |= _ctrlActive ? Common::KBD_CTRL : 0;
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event.kbd.flags |= _altActive ? Common::KBD_ALT : 0;
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event.kbd.flags |= (_lshiftActive || _rshiftActive) ? Common::KBD_SHIFT : 0;
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event.kbd.flags |= _capslockActive ? Common::KBD_CAPS : 0;
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event.kbd.flags |= _scrolllockActive ? Common::KBD_SCRL : 0;
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event.kbd.flags |= _numlockActive ? Common::KBD_NUM : 0;
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return true;
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}
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return false;
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}
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