1 /* 2 * Spectral Analyzer audio effect based on DISTRHO Plugin Framework (DPF) 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Copyright (C) 2019 Jean Pierre Cimalando <jpcima@protonmail.com> 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a copy 9 * of this software and associated documentation files (the "Software"), to 10 * deal in the Software without restriction, including without limitation the 11 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 12 * sell copies of the Software, and to permit persons to whom the Software is 13 * furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 24 * IN THE SOFTWARE. 25 */ 26 27 #pragma once 28 #include "DistrhoUI.hpp" 29 #include "PluginSpectralAnalyzer.hpp" 30 #include "ui/components/MainToolBar.h" 31 #include "SimpleIni.h" 32 #include <string> 33 #include <vector> 34 #include <memory> 35 #include <sys/time.h> // timespec 36 class SpectrumView; 37 class FloatingWindow; 38 class SpinBoxChooser; 39 class Slider; 40 class TextLabel; 41 class SelectionRectangle; 42 class ResizeHandle; 43 class ColorPalette; 44 45 class UISpectralAnalyzer : public UI, MainToolBar::Listener { 46 public: 47 UISpectralAnalyzer(); 48 ~UISpectralAnalyzer(); 49 50 PluginSpectralAnalyzer *getPluginInstance(); 51 52 protected: 53 void parameterChanged(uint32_t, float value) override; 54 void programLoaded(uint32_t index) override; 55 void sampleRateChanged(double newSampleRate) override; 56 57 void uiIdle() override; 58 void uiReshape(uint width, uint height) override; 59 60 void onNanoDisplay() override; 61 bool onMouse(const MouseEvent &ev) override; 62 bool onMotion(const MotionEvent &ev) override; 63 64 protected: 65 void onToolBarItemClicked(int id) override; 66 67 private: 68 void switchMode(int mode); 69 70 void setNewSelectionPositionByMouse(DGL::Point<int> pos); 71 72 void updateSpectrum(); 73 void updateSelectModeDisplays(); 74 75 template <class W, class... A> 76 W *makeSubwidget(A &&... args) 77 { 78 W *w = new W(std::forward<A>(args)...); 79 fSubWidgets.push_back(std::unique_ptr<Widget>(w)); 80 return w; 81 } 82 83 void loadTheme(const char *theme); 84 void reloadThemeList(); 85 86 private: 87 enum { kNumChannels = DISTRHO_PLUGIN_NUM_INPUTS }; 88 89 SpectrumView *fSpectrumView = nullptr; 90 91 MainToolBar *fMainToolBar = nullptr; 92 93 FloatingWindow *fSetupWindow = nullptr; 94 SpinBoxChooser *fAlgorithmChooser = nullptr; 95 SpinBoxChooser *fFftSizeChooser = nullptr; 96 SpinBoxChooser *fStepSizeChooser = nullptr; 97 Slider *fAttackTimeSlider = nullptr; 98 Slider *fReleaseTimeSlider = nullptr; 99 100 FloatingWindow *fScaleWindow = nullptr; 101 SelectionRectangle *fSelectionRectangle = nullptr; 102 ::Point fSelectionOrigin; 103 104 FloatingWindow *fSelectWindow = nullptr; 105 TextLabel *fSelectLabelX = nullptr; 106 TextLabel *fSelectLabelY = nullptr; 107 TextLabel *fSelectChannelY[kNumChannels] = {}; 108 TextLabel *fSelectNearPeakX[kNumChannels] = {}; 109 TextLabel *fSelectNearPeakY[kNumChannels] = {}; 110 bool fSelectPositionFixed = false; 111 double fSelectLastCursorKey = 0.0; 112 double fSelectLastCursorFreq = 0.0; 113 double fSelectLastCursorMag = 0.0; 114 115 FloatingWindow *fColorWindow = nullptr; 116 SpinBoxChooser *fThemeChooser = nullptr; 117 SpinBoxChooser *fThemeEditChooser = nullptr; 118 119 ResizeHandle *fResizeHandle = nullptr; 120 121 std::vector<std::unique_ptr<Widget>> fSubWidgets; 122 123 std::vector<float> fFrequencies; 124 std::vector<float> fMagnitudes; 125 uint32_t fSize = 0; 126 127 enum { 128 kModeNormal, 129 kModeSetup, 130 kModeScale, 131 kModeSelect, 132 kModeHide, 133 kModeColor, 134 }; 135 136 int fMode = kModeNormal; 137 138 bool fScaleRectDragging = false; 139 140 bool fInitializedFloatingWindowPos = false; 141 142 std::unique_ptr<ColorPalette> fPalette; 143 144 std::unique_ptr<CSimpleIniA> fUiConfig; 145 std::string fCurrentTheme = "default"; 146 #if !defined(_WIN32) 147 timespec fCurrentThemeMtime {}; 148 #else 149 int64_t fCurrentThemeMtime {}; 150 #endif 151 bool fThemeEditMode = false; 152 153 private: 154 DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(UISpectralAnalyzer) 155 }; 156