137 lines
4.6 KiB
C++
137 lines
4.6 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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/* FlushXObj is a Mac only XObject to call the underlying FlushEvents function
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* from the Macintosh Toolbox. Its purpose is to flush, i.e. remove, events
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* that happened while loading code.
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*
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* Implemented as a no-op, there's no need to flush events because:
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* - ScummVM handles them and
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* - computers were slower and queued events when the program was loading.
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*
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* More information about the Toolbox and the flush events can be found here:
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* https://en.wikipedia.org/wiki/Macintosh_Toolbox
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* https://developer.apple.com/legacy/library/documentation/mac/pdf/MacintoshToolboxEssentials.pdf
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*
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*/
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#include "director/director.h"
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#include "director/lingo/lingo.h"
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#include "director/lingo/lingo-object.h"
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#include "director/lingo/xlibs/f/flushxobj.h"
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/*************************************
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*
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* USED IN:
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* majestic-mac
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*
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*************************************/
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/*
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* 8-- FlushEvents: an XObject to call toolbox FlushEvents().-- By Scott Kelley , sakelley@ucsd.edu, 6/2/93?-- Copyright
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* 1993 The Regents of the University of California;-- Freely distributable. No warranties. Ask before selling!
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* --5-- mNew creates a new instance of the Flush XObject.@-- Note that the object contains internal variables which allow>-- a unique masking operation to be built for each object, or:-- mFlushEvents can pass masks to FlushEvents() directly.
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* I mNew
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* --?-- mFlushEvents is identical to the toolbox call FlushEvents()%XII mFlushEvents, eventMask, stopMask
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* --?-- mClearMask clears the object's internal masks. Note that if<-- you never call this, the object starts with a default of9-- flushing everything (i.e. FlushEvent(everyEvent,0) )
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* X mClearMask
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* --<-- mAddToMask adds the specified event mask to the object's8-- internal masks (i.e. OR's it with the existing mask)!XII mAddToMask eventMask,stopMask
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* --6-- mFlush calls FlushEvents() with the internal masks
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* X mFlush
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* --"-- mDispose gets rid of an object2X mDispose -- dispose of an instance of u * s
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*/
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namespace Director {
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const char *const FlushXObj::xlibNames[] = {
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"FlushXObj",
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"Johnny",
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nullptr,
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};
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const XlibFileDesc FlushXObj::fileNames[] = {
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{ "FlushEvents", nullptr },
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{ "FlushXObj", nullptr },
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{ "Johnny", nullptr },
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{ "Johnny.XObj", nullptr },
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{ "Toilet", nullptr },
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{ nullptr, nullptr },
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};
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static const MethodProto xlibMethods[] = {
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{ "new", FlushXObj::m_new, 0, 0, 300 }, // D3
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{ "AddToMask", FlushXObj::m_addToMask, 2, 2, 400 }, // D4
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{ "ClearMask", FlushXObj::m_clearMask, 0, 0, 400 }, // D4
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{ "Flush", FlushXObj::m_flush, 0, 0, 300 }, // D3
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{ "FlushEvents", FlushXObj::m_flushEvents, 2, 2, 400 }, // D4
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{ nullptr, nullptr, 0, 0, 0 }
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};
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void FlushXObj::open(ObjectType type, const Common::Path &path) {
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if (type == kXObj) {
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FlushXObject::initMethods(xlibMethods);
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FlushXObject *xobj = new FlushXObject(kXObj);
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for (uint i = 0; xlibNames[i]; i++) {
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g_lingo->exposeXObject(xlibNames[i], xobj);
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}
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}
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}
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void FlushXObj::close(ObjectType type) {
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if (type == kXObj) {
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FlushXObject::cleanupMethods();
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for (uint i = 0; xlibNames[i]; i++) {
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g_lingo->_globalvars[xlibNames[i]] = Datum();
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}
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}
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}
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FlushXObject::FlushXObject(ObjectType ObjectType) :Object<FlushXObject>("FlushXObj") {
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_objType = ObjectType;
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}
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void FlushXObj::m_new(int nargs) {
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g_lingo->push(g_lingo->_state->me);
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}
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void FlushXObj::m_clearMask(int nargs) {
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debug(5, "FlushXobj::m_clearMask: no-op");
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}
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void FlushXObj::m_addToMask(int nargs) {
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g_lingo->pop();
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g_lingo->pop();
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debug(5, "FlushXobj::m_addToMask: no-op");
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}
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void FlushXObj::m_flush(int nargs) {
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debug(5, "FlushXobj::m_flush: no-op");
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}
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void FlushXObj::m_flushEvents(int nargs) {
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g_lingo->pop();
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g_lingo->pop();
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debug(5, "FlushXobj::m_flush: no-op");
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}
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} // End of namespace Director
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