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Add randomization button to GenericDrum
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| Original file line number | Diff line number | Diff line change |
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| // (c) 2023 Takamitsu Endo | ||
| // | ||
| // This file is part of GenericDrum. | ||
| // | ||
| // GenericDrum is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // GenericDrum is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with GenericDrum. If not, see <https://www.gnu.org/licenses/>. | ||
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| #pragma once | ||
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| #include "public.sdk/source/vst/vsteditcontroller.h" | ||
| #include "vstgui/vstgui.h" | ||
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| #include "../../../common/gui/plugeditor.hpp" | ||
| #include "../../../common/gui/style.hpp" | ||
| #include "../parameter.hpp" | ||
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| #include <algorithm> | ||
| #include <random> | ||
| #include <string> | ||
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| namespace VSTGUI { | ||
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| class RandomizeButton : public CControl { | ||
| public: | ||
| std::string label; | ||
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| RandomizeButton( | ||
| const CRect &size, | ||
| IControlListener *listener, | ||
| int32_t tag, | ||
| std::string label, | ||
| const SharedPointer<CFontDesc> &fontId, | ||
| Uhhyou::Palette &palette, | ||
| Steinberg::Vst::PlugEditor *editor) | ||
| : CControl(size, listener, tag) | ||
| , label(label) | ||
| , fontId(fontId) | ||
| , pal(palette) | ||
| , editor(editor) | ||
| { | ||
| if (editor) editor->remember(); | ||
| } | ||
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| ~RandomizeButton() | ||
| { | ||
| if (editor) editor->forget(); | ||
| } | ||
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| void draw(CDrawContext *pContext) override | ||
| { | ||
| pContext->setDrawMode(CDrawMode(CDrawModeFlags::kAntiAliasing)); | ||
| CDrawContext::Transform t( | ||
| *pContext, CGraphicsTransform().translate(getViewSize().getTopLeft())); | ||
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| // Border. | ||
| const double borderW = isMouseEntered ? 2 * borderWidth : borderWidth; | ||
| const double halfBorderWidth = int(borderW / 2.0); | ||
| pContext->setFillColor(isPressed ? pal.highlightButton() : pal.boxBackground()); | ||
| pContext->setFrameColor( | ||
| isMouseEntered && !isPressed ? pal.highlightButton() : pal.border()); | ||
| pContext->setLineWidth(borderW); | ||
| pContext->drawRect( | ||
| CRect( | ||
| halfBorderWidth, halfBorderWidth, getWidth() - halfBorderWidth, | ||
| getHeight() - halfBorderWidth), | ||
| kDrawFilledAndStroked); | ||
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| // Text | ||
| pContext->setFont(fontId); | ||
| pContext->setFontColor(pal.foreground()); | ||
| pContext->drawString( | ||
| label.c_str(), CRect(0, 0, getWidth(), getHeight()), kCenterText); | ||
| } | ||
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| void onMouseEnterEvent(MouseEnterEvent &event) override | ||
| { | ||
| isMouseEntered = true; | ||
| invalid(); | ||
| event.consumed = true; | ||
| } | ||
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| void onMouseExitEvent(MouseExitEvent &event) override | ||
| { | ||
| if (value == 1.0f) { | ||
| value = 0.0f; | ||
| } | ||
| isPressed = false; | ||
| isMouseEntered = false; | ||
| invalid(); | ||
| event.consumed = true; | ||
| } | ||
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| void onMouseDownEvent(MouseDownEvent &event) override | ||
| { | ||
| using ID = Steinberg::Synth::ParameterID::ID; | ||
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| if (!event.buttonState.isLeft()) return; | ||
| isPressed = true; | ||
| value = 1.0f; | ||
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| if (editor) { | ||
| using Rng = std::mt19937_64; | ||
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| std::random_device source; | ||
| std::random_device::result_type | ||
| random_data[(Rng::state_size - 1) / sizeof(source()) + 1]; | ||
| std::generate(std::begin(random_data), std::end(random_data), std::ref(source)); | ||
| std::seed_seq seeds(std::begin(random_data), std::end(random_data)); | ||
| Rng rng(seeds); | ||
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| std::uniform_real_distribution<Steinberg::Vst::ParamValue> uniform{0.0, 1.0}; | ||
| setParam(ID::seed, uniform(rng)); | ||
| setParam(ID::noiseDecaySeconds, uniform(rng)); | ||
| setParam(ID::noiseLowpassHz, uniform(rng)); | ||
| setParam(ID::noiseAllpassMaxTimeHz, uniform(rng)); | ||
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| setParam(ID::impactWireMix, uniform(rng)); | ||
| setParam(ID::membraneWireMix, uniform(rng)); | ||
| setParam(ID::wireFrequencyHz, uniform(rng)); | ||
| setParam(ID::wireDecaySeconds, uniform(rng)); | ||
| setParam(ID::wireDistance, uniform(rng)); | ||
| setParam(ID::wireCollisionTypeMix, uniform(rng)); | ||
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| // setParam(ID::crossFeedbackGain, uniform(rng)); | ||
| for (int idx = 0; idx < maxFdnSize; ++idx) { | ||
| setParam(ID::crossFeedbackRatio0 + idx, uniform(rng)); | ||
| } | ||
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| setParam(ID::delayTimeSpread, uniform(rng)); | ||
| setParam(ID::bandpassCutSpread, uniform(rng)); | ||
| setParam(ID::pitchRandomCent, uniform(rng)); | ||
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| setParam(ID::envelopeAttackSeconds, uniform(rng)); | ||
| setParam(ID::envelopeDecaySeconds, uniform(rng)); | ||
| setParam(ID::envelopeModAmount, uniform(rng)); | ||
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| // setParam(ID::pitchType, uniform(rng)); | ||
| setParam(ID::delayTimeHz, uniform(rng)); | ||
| setParam(ID::delayTimeModAmount, uniform(rng)); | ||
| setParam(ID::bandpassCutRatio, uniform(rng)); | ||
| setParam(ID::bandpassQ, uniform(rng)); | ||
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| setParam(ID::secondaryFdnMix, uniform(rng)); | ||
| setParam(ID::secondaryPitchOffset, uniform(rng)); | ||
| setParam(ID::secondaryQOffset, uniform(rng)); | ||
| setParam(ID::secondaryDistance, uniform(rng)); | ||
| } | ||
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| invalid(); | ||
| event.consumed = true; | ||
| } | ||
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| void onMouseUpEvent(MouseUpEvent &event) override | ||
| { | ||
| if (isPressed) { | ||
| isPressed = false; | ||
| value = 0.0f; | ||
| invalid(); | ||
| } | ||
| event.consumed = true; | ||
| } | ||
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| void onMouseCancelEvent(MouseCancelEvent &event) override | ||
| { | ||
| if (isPressed) { | ||
| isPressed = false; | ||
| value = 0; | ||
| invalid(); | ||
| } | ||
| isMouseEntered = false; | ||
| event.consumed = true; | ||
| } | ||
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| void setBorderWidth(CCoord width) { borderWidth = width < 0 ? 0 : width; } | ||
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| CLASS_METHODS(RandomizeButton, CControl); | ||
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| private: | ||
| // Before calling check if `editor` is not nullptr. | ||
| inline void setParam(Steinberg::Vst::ParamID id, Steinberg::Vst::ParamValue value) | ||
| { | ||
| editor->valueChanged(id, value); | ||
| editor->updateUI(id, value); | ||
| } | ||
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| Steinberg::Vst::PlugEditor *editor = nullptr; | ||
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| SharedPointer<CFontDesc> fontId; | ||
| Uhhyou::Palette &pal; | ||
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| CCoord borderWidth = 1.0; | ||
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| bool isPressed = false; | ||
| bool isMouseEntered = false; | ||
| }; | ||
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| } // namespace VSTGUI |
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