mirror of
https://github.com/robbert-vdh/yabridge.git
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Robbert van der Helm
109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
// yabridge: a Wine VST bridge
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// Copyright (C) 2020-2021 Robbert van der Helm
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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 <https://www.gnu.org/licenses/>.
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#pragma once
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#include <pluginterfaces/vst/ivstplugview.h>
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#include "../../common.h"
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#include "../base.h"
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
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/**
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* Wraps around `IParameterFinder` for serialization purposes. This is
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* instantiated as part of `Vst3PlugViewProxy`.
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*/
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class YaParameterFinder : public Steinberg::Vst::IParameterFinder {
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public:
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/**
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* These are the arguments for creating a `YaParameterFinder`.
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*/
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struct ConstructArgs {
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ConstructArgs() noexcept;
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/**
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* Check whether an existing implementation implements
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* `IParameterFinder` and read arguments from it.
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*/
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ConstructArgs(Steinberg::IPtr<Steinberg::FUnknown> object) noexcept;
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/**
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* Whether the object supported this interface.
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*/
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bool supported;
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template <typename S>
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void serialize(S& s) {
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s.value1b(supported);
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}
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};
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/**
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* Instantiate this instance with arguments read from another interface
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* implementation.
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*/
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YaParameterFinder(ConstructArgs&& args) noexcept;
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inline bool supported() const noexcept { return arguments.supported; }
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/**
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* The response code and editor size returned by a call to
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* `IParameterFinder::findParameter(x_pos, y_pos, &result_tag)`.
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*/
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struct FindParameterResponse {
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UniversalTResult result;
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Steinberg::Vst::ParamID result_tag;
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template <typename S>
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void serialize(S& s) {
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s.object(result);
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s.value4b(result_tag);
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}
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};
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/**
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* Message to pass through a call to `IParameterFinder::findParameter(x_pos,
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* y_pos, &result_tag)` to the Wine plugin host.
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*/
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struct FindParameter {
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using Response = FindParameterResponse;
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native_size_t owner_instance_id;
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int32 x_pos;
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int32 y_pos;
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template <typename S>
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void serialize(S& s) {
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s.value8b(owner_instance_id);
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s.value4b(x_pos);
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s.value4b(y_pos);
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}
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};
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virtual tresult PLUGIN_API
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findParameter(int32 xPos,
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int32 yPos,
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Steinberg::Vst::ParamID& resultTag /*out*/) override = 0;
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protected:
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ConstructArgs arguments;
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};
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#pragma GCC diagnostic pop
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