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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/>.
*
*/
#include <nds.h>
#include "backends/platform/ds/keyboard.h"
#include "common/system.h"
namespace DS {
Keyboard::Keyboard(Common::EventDispatcher *eventDispatcher) :
_eventDispatcher(eventDispatcher),
_lastKey(NOKEY),
_visible(false) {
_eventDispatcher->registerSource(this, false);
}
Keyboard::~Keyboard() {
_eventDispatcher->unregisterSource(this);
}
void Keyboard::init(int layer, int mapBase, int tileBase, bool mainDisplay) {
keyboardInit(nullptr, layer, BgType_Text4bpp, BgSize_T_256x512, mapBase, tileBase, mainDisplay, true);
}
void Keyboard::show() {
keyboardShow();
_visible = true;
}
void Keyboard::hide() {
keyboardHide();
_visible = false;
}
bool Keyboard::mapKey(int key, Common::KeyState &ks) {
switch (key) {
case DVK_BACKSPACE:
ks = Common::KeyState(Common::KEYCODE_BACKSPACE, Common::ASCII_BACKSPACE);
break;
case DVK_TAB:
ks = Common::KeyState(Common::KEYCODE_TAB, Common::ASCII_TAB);
break;
case DVK_ENTER:
ks = Common::KeyState(Common::KEYCODE_RETURN, Common::ASCII_RETURN);
break;
case DVK_SPACE:
ks = Common::KeyState(Common::KEYCODE_SPACE, Common::ASCII_SPACE);
break;
case DVK_MENU:
ks = Common::KeyState(Common::KEYCODE_MENU);
break;
case DVK_SHIFT:
ks = Common::KeyState(Common::KEYCODE_LSHIFT);
break;
case DVK_CAPS:
ks = Common::KeyState(Common::KEYCODE_CAPSLOCK);
break;
case DVK_CTRL:
ks = Common::KeyState(Common::KEYCODE_LCTRL);
break;
case DVK_UP:
ks = Common::KeyState(Common::KEYCODE_UP);
break;
case DVK_RIGHT:
ks = Common::KeyState(Common::KEYCODE_RIGHT);
break;
case DVK_DOWN:
ks = Common::KeyState(Common::KEYCODE_DOWN);
break;
case DVK_LEFT:
ks = Common::KeyState(Common::KEYCODE_LEFT);
break;
case DVK_FOLD:
ks = Common::KeyState(Common::KEYCODE_ESCAPE, Common::ASCII_ESCAPE);
break;
case DVK_ALT:
ks = Common::KeyState(Common::KEYCODE_LALT);
break;
default:
if (key < Common::KEYCODE_SPACE || key > Common::KEYCODE_z)
return false;
ks = Common::KeyState((Common::KeyCode)tolower(key), key);
break;
}
return true;
}
bool Keyboard::pollEvent(Common::Event &event) {
if (!_visible)
return false;
int key = keyboardUpdate();
if (key == _lastKey)
return false;
if (key == NOKEY) {
event.type = Common::EVENT_KEYUP;
if (!mapKey(_lastKey, event.kbd))
return false;
} else {
event.type = Common::EVENT_KEYDOWN;
if (!mapKey(key, event.kbd))
return false;
}
_lastKey = key;
// TODO: Handle flags
return true;
}
} // End of namespace DS
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