113 lines
4.0 KiB
C++
113 lines
4.0 KiB
C++
/*
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PIQt - PIP <-> Qt convertions
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Ivan Pelipenko peri4ko@yandex.ru
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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 Lesser 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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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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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#ifndef PIQT_MACROS_H
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#define PIQT_MACROS_H
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#include "qad_piqt_export.h"
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#include <QObject>
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#include <piobject.h>
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/// connect PIP event "event" of object "src" directly to Qt slot "slot" of object "tgt"
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/// e.g. PIQCONNECT(&pip_obj, someEvent, &qt_obj, someSlot)
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#define PIQCONNECT(src, event, tgt, slot) \
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PIQt::piqConnect(src, #event, &(src)->__stat_eh_##event##__, tgt, &decltype(PIQt::removePtr(tgt))::slot);
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/// connect PIP event "event" of object "src" to Qt slot "slot" of object "tgt" via Qt::QueuedConnection
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/// Note! All argument types must be registered in Qt meta-system!
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/// e.g. PIQCONNECT_QUEUED(&pip_obj, someEvent, &qt_obj, someSlot)
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#define PIQCONNECT_QUEUED(src, event, tgt, slot) PIQt::piqConnectQ(src, #event, &(src)->__stat_eh_##event##__, tgt, #slot);
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/// connect Qt signal "sig" of object "src" directly to PIP event handler "handler" of object "tgt"
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/// e.g. QPICONNECT(&qt_obj, someSignal, &pip_obj, someHandler)
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/// Returns QMetaObject::Connection
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#define QPICONNECT(src, sig, tgt, handler) \
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PIQt::qpiConnect(src, &decltype(PIQt::removePtr(src))::sig, tgt, &(tgt)->__stat_eh_##handler##__);
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/// much more compact and easy to use alternative to QMetaObject::invokeMethod(... , Qt::QueuedConnection)
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/// examples:
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/// qCallQueued(this, &MyClass::myFunc);
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/// qCallQueued(this, &MyClass::myFuncWithInt, 0xFF);
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/// qCallQueued(this, &MyClass::myFuncWithIntAndString, 0xAB, "string");
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template<typename O, typename F, typename... Args>
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void qCallQueued(O * o, F f, Args... args) {
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QMetaObject::invokeMethod(
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o,
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[o, f, args...]() { (o->*f)(args...); },
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Qt::QueuedConnection);
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}
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namespace PIQt {
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template<typename T>
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T removePtr(T *) {}
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template<typename T>
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QArgument<T> qargument(const T & v) {
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return QArgument<T>(
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#if QT_VERSION_MAJOR <= 5
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QMetaType::typeName(qMetaTypeId<T>())
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#else
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QMetaType::fromType<T>().name()
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#endif
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,
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v);
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}
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template<typename SR, typename O, typename... ARGS>
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PIObject::Connection piqConnect(PIObject * source, const char * event, void (*func)(void *, ARGS...), O * target, SR (O::*slot)(ARGS...)) {
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PIObject::Connection ret =
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PIObject::piConnectLS(source,
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PIStringAscii(event),
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PIObject::__newFunctor(func, [target, slot](ARGS... args) { (target->*slot)(args...); }),
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LOCATION);
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QObject::connect(target, &QObject::destroyed, [ret]() { ret.disconnect(); });
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return ret;
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}
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template<typename... ARGS>
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PIObject::Connection
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piqConnectQ(PIObject * source, const char * event, void (*func)(void *, ARGS...), QObject * target, const char * slot) {
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PIObject::Connection ret =
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PIObject::piConnectLS(source,
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PIStringAscii(event),
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PIObject::__newFunctor(func,
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[target, slot](ARGS... args) {
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QMetaObject::invokeMethod(target, slot, Qt::QueuedConnection, qargument(args)...);
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}),
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LOCATION);
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QObject::connect(target, &QObject::destroyed, [ret]() { ret.disconnect(); });
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return ret;
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}
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template<typename SR, typename O, typename... ARGS>
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QMetaObject::Connection qpiConnect(O * source, SR (O::*signal)(ARGS...), PIObject * target, void (*handler)(void *, ARGS...)) {
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auto ret = QObject::connect(source, signal, source, [target, handler](ARGS... args) { handler(target, args...); });
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CONNECTL(target, deleted, [ret](PIObject *) { QObject::disconnect(ret); });
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return ret;
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}
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} // namespace PIQt
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#endif // PIQT_MACROS_H
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