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