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scummvm/backends/events/atari/atari-events.cpp
Miro Kropacek 3482685a07 BACKENDS: ATARI: Complete Eiffel support 
Also, pass proper keycode of the modifier keys instead of
KEYCODE_INVALID.
2024-07-15 19:42:50 +02:00

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