mirror of
https://github.com/libretro/scummvm.git
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136 lines
3.5 KiB
C++
136 lines
3.5 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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/*
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* Based on
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* WebVenture (c) 2010, Sean Kasun
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* https://github.com/mrkite/webventure, http://seancode.com/webventure/
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*
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* Used with explicit permission from the author
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*/
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#include "macventure/gui.h"
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namespace MacVenture {
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static void cursorTimerHandler(void *refCon);
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static const ClickState _transitionTable[kCursorStateCount][kCursorInputCount] = {
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/* Button down, Button Up, Tick */
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/* Idle */ {kCursorSCStart, kCursorIdle, kCursorIdle },
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/* SC Start */ {kCursorSCStart, kCursorDCStart, kCursorSCDrag},
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/* SC Do */ {kCursorSCDrag, kCursorIdle, kCursorSCDrag},
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/* DC Start */ {kCursorDCDo, kCursorDCStart, kCursorSCSink},
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/* DC Do */ {kCursorDCDo, kCursorIdle, kCursorDCDo },
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/* SC Sink */ {kCursorIdle, kCursorIdle, kCursorIdle }
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};
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Cursor::Cursor(Gui *gui) {
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_gui = gui;
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_state = kCursorIdle;
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}
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Cursor::~Cursor() {}
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void Cursor::tick() {
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changeState(kTickCol);
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}
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bool Cursor::processEvent(const Common::Event &event) {
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if (event.type == Common::EVENT_MOUSEMOVE) {
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_pos = event.mouse;
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return true;
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}
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if (event.type == Common::EVENT_LBUTTONDOWN) {
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changeState(kButtonDownCol);
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return true;
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}
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if (event.type == Common::EVENT_LBUTTONUP) {
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changeState(kButtonUpCol);
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return true;
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}
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return false;
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}
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Common::Point Cursor::getPos() {
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return _pos;
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}
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bool Cursor::canSelectDraggable() {
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return _state == kCursorSCDrag;
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}
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void Cursor::changeState(CursorInput input) {
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debugC(3, kMVDebugGUI, "Change cursor state: [%d] -> [%d]", _state, _transitionTable[_state][input]);
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if (_state != _transitionTable[_state][input]) {
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executeStateOut();
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_state = _transitionTable[_state][input];
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executeStateIn();
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}
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}
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void Cursor::executeStateIn() {
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switch (_state) {
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case kCursorSCStart:
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g_system->getTimerManager()->installTimerProc(&cursorTimerHandler, 300000, this, "macVentureCursor");
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_gui->selectForDrag(_pos);
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break;
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case kCursorDCStart:
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g_system->getTimerManager()->installTimerProc(&cursorTimerHandler, 300000, this, "macVentureCursor");
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break;
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case kCursorSCSink:
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_gui->handleSingleClick();
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changeState(kTickCol);
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break;
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default:
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break;
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}
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}
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void Cursor::executeStateOut() {
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switch (_state) {
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case kCursorIdle:
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break;
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case kCursorSCStart:
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g_system->getTimerManager()->removeTimerProc(&cursorTimerHandler);
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break;
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case kCursorSCDrag:
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_gui->handleSingleClick();
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break;
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case kCursorDCStart:
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g_system->getTimerManager()->removeTimerProc(&cursorTimerHandler);
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break;
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case kCursorDCDo:
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_gui->handleDoubleClick();
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break;
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default:
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break;
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}
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}
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static void cursorTimerHandler(void *refCon) {
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Cursor *cursor = (Cursor *)refCon;
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cursor->tick();
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}
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} // End of namespace MacVenture
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