mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-05 00:36:57 +00:00
397 lines
9.4 KiB
C++
397 lines
9.4 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "backends/vkeybd/virtual-keyboard.h"
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#ifdef ENABLE_VKEYBD
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#include "backends/vkeybd/imageman.h"
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#include "backends/vkeybd/virtual-keyboard-gui.h"
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#include "backends/vkeybd/virtual-keyboard-parser.h"
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#include "backends/vkeybd/keycode-descriptions.h"
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#include "common/config-manager.h"
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#include "common/fs.h"
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#include "common/unzip.h"
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#define KEY_START_CHAR ('[')
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#define KEY_END_CHAR (']')
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namespace Common {
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VirtualKeyboard::VirtualKeyboard() : _currentMode(0) {
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assert(g_system);
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_system = g_system;
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_parser = new VirtualKeyboardParser(this);
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_kbdGUI = new VirtualKeyboardGUI(this);
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_submitKeys = _loaded = false;
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}
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VirtualKeyboard::~VirtualKeyboard() {
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deleteEvents();
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delete _kbdGUI;
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delete _parser;
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}
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void VirtualKeyboard::deleteEvents() {
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ModeMap::iterator it_m;
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VKEventMap::iterator it_e;
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for (it_m = _modes.begin(); it_m != _modes.end(); it_m++) {
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VKEventMap *evt = &(it_m->_value.events);
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for (it_e = evt->begin(); it_e != evt->end(); it_e++)
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delete it_e->_value;
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}
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}
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void VirtualKeyboard::reset() {
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deleteEvents();
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_modes.clear();
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_initialMode = _currentMode = 0;
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_hAlignment = kAlignCentre;
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_vAlignment = kAlignBottom;
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_keyQueue.clear();
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_loaded = false;
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_kbdGUI->reset();
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}
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bool VirtualKeyboard::loadKeyboardPack(String packName) {
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_kbdGUI->initSize(_system->getOverlayWidth(), _system->getOverlayHeight());
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FSNode vkDir;
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if (ConfMan.hasKey("vkeybdpath")) {
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vkDir = FSNode(ConfMan.get("vkeybdpath"));
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} else if (ConfMan.hasKey("extrapath")) {
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vkDir = FSNode(ConfMan.get("extrapath"));
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} else { // use current directory
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vkDir = FSNode(".");
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}
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if (vkDir.getChild(packName + ".xml").exists()) {
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// uncompressed keyboard pack
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if (!_parser->loadFile(vkDir.getChild(packName + ".xml")))
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return false;
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} else if (vkDir.getChild(packName + ".zip").exists()) {
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// compressed keyboard pack
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#ifdef USE_ZLIB
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ZipArchive arch(vkDir.getChild(packName + ".zip").getPath().c_str());
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if (arch.hasFile(packName + ".xml")) {
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if (!_parser->loadStream(arch.openFile(packName + ".xml")))
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return false;
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} else {
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warning("Could not find %s.xml file in %s.zip keyboard pack", packName.c_str(), packName.c_str());
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return false;
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}
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ImageMan.addArchive(vkDir.getChild(packName + ".zip").getPath().c_str());
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#else
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return false;
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#endif
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} else {
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warning("Keyboard pack not found");
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return false;
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}
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_parser->setParseMode(VirtualKeyboardParser::kParseFull);
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_loaded = _parser->parse();
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if (_loaded)
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printf("Keyboard pack '%s' loaded successfully!\n", packName.c_str());
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return _loaded;
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}
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bool VirtualKeyboard::checkModeResolutions()
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{
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_parser->setParseMode(VirtualKeyboardParser::kParseCheckResolutions);
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_loaded = _parser->parse();
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if (_currentMode) _kbdGUI->initMode(_currentMode);
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return _loaded;
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}
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String VirtualKeyboard::findArea(int16 x, int16 y) {
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return _currentMode->imageMap.findMapArea(x, y);
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}
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void VirtualKeyboard::processAreaClick(const String& area) {
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if (!_currentMode->events.contains(area)) return;
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VKEvent *evt = _currentMode->events[area];
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switch (evt->type) {
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case kVKEventKey: {
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// add virtual keypress to queue
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_keyQueue.insertKey(*(KeyState*)evt->data);
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break;
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}
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case kVKEventModifier:
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_keyQueue.toggleFlags(*(byte*)(evt->data));
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break;
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case kVKEventSwitchMode:
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// switch to new mode
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switchMode((char *)evt->data);
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_keyQueue.clearFlags();
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break;
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case kVKEventSubmit:
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close(true);
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break;
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case kVKEventCancel:
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close(false);
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break;
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case kVKEventClear:
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_keyQueue.clear();
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break;
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case kVKEventDelete:
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_keyQueue.deleteKey();
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break;
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case kVKEventMoveLeft:
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_keyQueue.moveLeft();
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break;
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case kVKEventMoveRight:
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_keyQueue.moveRight();
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break;
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}
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}
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void VirtualKeyboard::switchMode(Mode *newMode) {
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_kbdGUI->initMode(newMode);
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_currentMode = newMode;
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}
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void VirtualKeyboard::switchMode(const String& newMode) {
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if (!_modes.contains(newMode)) {
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warning("Keyboard mode '%s' unknown", newMode.c_str());
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return;
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}
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switchMode(&_modes[newMode]);
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}
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void VirtualKeyboard::handleMouseDown(int16 x, int16 y) {
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_areaDown = findArea(x, y);
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if (_areaDown.empty())
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_kbdGUI->startDrag(x, y);
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}
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void VirtualKeyboard::handleMouseUp(int16 x, int16 y) {
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if (!_areaDown.empty() && _areaDown == findArea(x, y)) {
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processAreaClick(_areaDown);
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_areaDown.clear();
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}
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_kbdGUI->endDrag();
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}
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void VirtualKeyboard::show() {
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if (_loaded) _kbdGUI->checkScreenChanged();
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if (!_loaded) {
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warning("Virtual keyboard not loaded");
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return;
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}
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switchMode(_initialMode);
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_kbdGUI->run();
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if (_submitKeys) {
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EventManager *eventMan = _system->getEventManager();
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assert(eventMan);
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// push keydown & keyup events into the event manager
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Event evt;
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evt.synthetic = false;
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while (!_keyQueue.empty()) {
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evt.kbd = _keyQueue.pop();
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evt.type = EVENT_KEYDOWN;
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eventMan->pushEvent(evt);
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evt.type = EVENT_KEYUP;
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eventMan->pushEvent(evt);
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}
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} else {
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_keyQueue.clear();
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}
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}
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void VirtualKeyboard::close(bool submit) {
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_submitKeys = submit;
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_kbdGUI->close();
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}
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bool VirtualKeyboard::isDisplaying() {
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return _kbdGUI->isDisplaying();
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}
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VirtualKeyboard::KeyPressQueue::KeyPressQueue() {
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_keyPos = _keys.end();
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_strPos = 0;
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_strChanged = false;
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_flags = 0;
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}
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void VirtualKeyboard::KeyPressQueue::toggleFlags(byte fl) {
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_flags ^= fl;
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_flagsStr.clear();
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if (_flags) {
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_flagsStr = KEY_START_CHAR;
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if (_flags & KBD_CTRL)
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_flagsStr += "Ctrl+";
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if (_flags & KBD_ALT)
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_flagsStr += "Alt+";
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if (_flags & KBD_SHIFT)
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_flagsStr += "Shift+";
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}
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_strChanged = true;
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}
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void VirtualKeyboard::KeyPressQueue::clearFlags() {
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_flags = 0;
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_flagsStr.clear();
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_strChanged = true;
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}
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void VirtualKeyboard::KeyPressQueue::insertKey(KeyState key) {
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_strChanged = true;
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key.flags ^= _flags;
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if ((key.keycode >= KEYCODE_a) && (key.keycode <= KEYCODE_z))
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key.ascii = (key.flags & KBD_SHIFT) ? key.keycode - 32 : key.keycode;
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clearFlags();
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String keyStr;
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if (key.flags & KBD_CTRL) keyStr += "Ctrl+";
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if (key.flags & KBD_ALT) keyStr += "Alt+";
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if (key.ascii >= 32 && key.ascii <= 255) {
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if (key.flags & KBD_SHIFT && (key.ascii < 65 || key.ascii > 90))
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keyStr += "Shift+";
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keyStr += (char)key.ascii;
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} else {
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if (key.flags & KBD_SHIFT) keyStr += "Shift+";
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if (key.keycode >= 0 && key.keycode < keycodeDescTableSize)
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keyStr += keycodeDescTable[key.keycode];
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}
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if (keyStr.empty()) keyStr += "???";
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_keysStr.insertChar(KEY_START_CHAR, _strPos++);
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const char *k = keyStr.c_str();
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while (char ch = *k++)
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_keysStr.insertChar(ch, _strPos++);
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_keysStr.insertChar(KEY_END_CHAR, _strPos++);
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VirtualKeyPress kp;
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kp.key = key;
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kp.strLen = keyStr.size() + 2;
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_keys.insert(_keyPos, kp);
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}
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void VirtualKeyboard::KeyPressQueue::deleteKey() {
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if (_keyPos == _keys.begin())
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return;
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List<VirtualKeyPress>::iterator it = _keyPos;
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it--;
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_strPos -= it->strLen;
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while((it->strLen)-- > 0)
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_keysStr.deleteChar(_strPos);
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_keys.erase(it);
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_strChanged = true;
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}
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void VirtualKeyboard::KeyPressQueue::moveLeft() {
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if (_keyPos == _keys.begin())
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return;
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_keyPos--;
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_strPos -= _keyPos->strLen;
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_strChanged = true;
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}
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void VirtualKeyboard::KeyPressQueue::moveRight() {
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if (_keyPos == _keys.end())
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return;
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_strPos += _keyPos->strLen;
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_keyPos++;
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_strChanged = true;
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}
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KeyState VirtualKeyboard::KeyPressQueue::pop() {
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bool front = (_keyPos == _keys.begin());
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VirtualKeyPress kp = *(_keys.begin());
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_keys.pop_front();
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if (front)
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_keyPos = _keys.begin();
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else
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_strPos -= kp.strLen;
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while (kp.strLen-- > 0)
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_keysStr.deleteChar(0);
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return kp.key;
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}
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void VirtualKeyboard::KeyPressQueue::clear() {
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_keys.clear();
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_keyPos = _keys.end();
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_keysStr.clear();
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_strPos = 0;
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clearFlags();
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_strChanged = true;
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}
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bool VirtualKeyboard::KeyPressQueue::empty()
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{
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return _keys.empty();
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}
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String VirtualKeyboard::KeyPressQueue::getString()
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{
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if (_keysStr.empty())
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return _flagsStr;
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if (_flagsStr.empty())
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return _keysStr;
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if (_strPos == _keysStr.size())
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return _keysStr + _flagsStr;
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uint len = _keysStr.size() + _flagsStr.size();
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char *str = new char[len];
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memcpy(str, _keysStr.c_str(), _strPos);
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memcpy(str + _strPos, _flagsStr.c_str(), _flagsStr.size());
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memcpy(str + _strPos + _flagsStr.size(), _keysStr.c_str() + _strPos, _keysStr.size() - _strPos);
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String ret(str, len);
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delete[] str;
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return ret;
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}
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uint VirtualKeyboard::KeyPressQueue::getInsertIndex() {
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return _strPos + _flagsStr.size();
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}
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bool VirtualKeyboard::KeyPressQueue::hasStringChanged() {
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bool ret = _strChanged;
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_strChanged = false;
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return ret;
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}
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} // end of namespace Common
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#endif // #ifdef ENABLE_VKEYBD
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