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131 lines
4.5 KiB
C++
131 lines
4.5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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#pragma once
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#if JUCE_MAC
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namespace juce
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{
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/* This is an NSViewComponent which holds a long-lived NSView which acts
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as the parent view for plugin editors.
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Note that this component does not auto-resize depending on the bounds
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of the owned view. VST2 and VST3 plugins have dedicated interfaces to
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request that the editor bounds are updated. We can call `setSize` on this
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component from inside those dedicated callbacks.
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*/
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struct NSViewComponentWithParent : public NSViewComponent,
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private AsyncUpdater
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{
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enum class WantsNudge { no, yes };
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explicit NSViewComponentWithParent (WantsNudge shouldNudge)
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: wantsNudge (shouldNudge)
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{
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auto* view = [[getViewClass().createInstance() init] autorelease];
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object_setInstanceVariable (view, "owner", this);
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setView (view);
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}
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explicit NSViewComponentWithParent (AudioPluginInstance& instance)
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: NSViewComponentWithParent (getWantsNudge (instance)) {}
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~NSViewComponentWithParent() override
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{
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if (auto* view = static_cast<NSView*> (getView()))
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object_setInstanceVariable (view, "owner", nullptr);
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cancelPendingUpdate();
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}
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JUCE_DECLARE_NON_COPYABLE (NSViewComponentWithParent)
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JUCE_DECLARE_NON_MOVEABLE (NSViewComponentWithParent)
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private:
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WantsNudge wantsNudge = WantsNudge::no;
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static WantsNudge getWantsNudge (AudioPluginInstance& instance)
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{
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PluginDescription pd;
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instance.fillInPluginDescription (pd);
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return pd.manufacturerName == "FabFilter" ? WantsNudge::yes : WantsNudge::no;
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}
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void handleAsyncUpdate() override
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{
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if (auto* peer = getTopLevelComponent()->getPeer())
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{
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auto* view = static_cast<NSView*> (getView());
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const auto newArea = peer->getAreaCoveredBy (*this);
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[view setFrame: makeCGRect (newArea.withHeight (newArea.getHeight() + 1))];
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[view setFrame: makeCGRect (newArea)];
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}
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}
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struct InnerNSView final : public ObjCClass<NSView>
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{
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InnerNSView()
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: ObjCClass ("JuceInnerNSView_")
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{
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addIvar<NSViewComponentWithParent*> ("owner");
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addMethod (@selector (isOpaque), [] (id, SEL) { return YES; });
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addMethod (@selector (didAddSubview:), [] (id self, SEL, NSView*)
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{
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if (auto* owner = getIvar<NSViewComponentWithParent*> (self, "owner"))
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if (owner->wantsNudge == WantsNudge::yes)
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owner->triggerAsyncUpdate();
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});
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JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
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addMethod (@selector (clipsToBounds), [] (id, SEL) { return YES; });
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JUCE_END_IGNORE_WARNINGS_GCC_LIKE
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registerClass();
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}
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};
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static InnerNSView& getViewClass()
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{
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static InnerNSView result;
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return result;
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}
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};
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} // namespace juce
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#endif
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