322 lines
9.8 KiB
C++
322 lines
9.8 KiB
C++
/*
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* DISTRHO Cardinal Plugin
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* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 3 of
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* the License, or 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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* For a full copy of the GNU General Public License see the LICENSE file.
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*/
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#include <app/common.hpp>
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#include <app/Scene.hpp>
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#include <context.hpp>
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#include <ui/common.hpp>
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#include <window/Window.hpp>
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#ifdef NDEBUG
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# undef DEBUG
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#endif
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#include "DistrhoUI.hpp"
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#include "ResizeHandle.hpp"
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GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window) { return nullptr; }
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GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char*) {}
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GLFWAPI const char* glfwGetKeyName(int key, int scancode) { return nullptr; }
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GLFWAPI int glfwGetKeyScancode(int key) { return 0; }
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namespace rack {
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namespace window {
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DISTRHO_NAMESPACE::UI* lastUI = nullptr;
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void mouseButtonCallback(Context* ctx, int button, int action, int mods);
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void cursorPosCallback(Context* ctx, double xpos, double ypos);
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void cursorEnterCallback(Context* ctx, int entered);
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void scrollCallback(Context* ctx, double x, double y);
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void charCallback(Context* ctx, unsigned int codepoint);
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void keyCallback(Context* ctx, int key, int scancode, int action, int mods);
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}
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}
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START_NAMESPACE_DISTRHO
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// -----------------------------------------------------------------------------------------------------------
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rack::Context* getRackContextFromPlugin(void* ptr);
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class CardinalUI : public UI
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{
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rack::Context* const fContext;
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ResizeHandle fResizeHandle;
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struct ScopedContext {
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ScopedContext(CardinalUI* const ui)
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{
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rack::contextSet(ui->fContext);
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}
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~ScopedContext()
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{
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rack::contextSet(nullptr);
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}
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};
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public:
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CardinalUI()
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: UI(1280, 720),
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fContext(getRackContextFromPlugin(getPluginInstancePointer())),
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fResizeHandle(this)
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{
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const ScopedContext sc(this);
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fContext->event = new rack::widget::EventState;
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fContext->scene = new rack::app::Scene;
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fContext->event->rootWidget = fContext->scene;
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// Initialize context
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d_stdout("UI context ptr %p", NanoVG::getContext());
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rack::window::lastUI = this;
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fContext->window = new rack::window::Window;
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rack::window::lastUI = nullptr;
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}
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~CardinalUI() override
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{
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const ScopedContext sc(this);
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delete fContext->window;
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fContext->window = nullptr;
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}
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void onNanoDisplay() override
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{
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const ScopedContext sc(this);
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fContext->window->step();
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}
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void uiIdle() override
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{
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repaint();
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}
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protected:
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/* --------------------------------------------------------------------------------------------------------
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* DSP/Plugin Callbacks */
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/**
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A parameter has changed on the plugin side.
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This is called by the host to inform the UI about parameter changes.
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*/
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void parameterChanged(uint32_t index, float value) override
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{
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}
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// -------------------------------------------------------------------------------------------------------
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bool onMouse(const MouseEvent& ev) override
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{
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const ScopedContext sc(this);
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int button;
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int mods = 0;
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int action = ev.press;
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if (ev.mod & kModifierControl)
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mods |= GLFW_MOD_CONTROL;
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if (ev.mod & kModifierShift)
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mods |= GLFW_MOD_SHIFT;
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if (ev.mod & kModifierAlt)
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mods |= GLFW_MOD_ALT;
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#ifdef DISTRHO_OS_MAC
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switch (ev.button)
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{
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case 1:
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button = GLFW_MOUSE_BUTTON_LEFT;
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break;
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case 2:
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button = GLFW_MOUSE_BUTTON_RIGHT;
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break;
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case 3:
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button = GLFW_MOUSE_BUTTON_MIDDLE;
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break;
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default:
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button = 0;
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break;
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}
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#else
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switch (ev.button)
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{
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case 1:
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button = GLFW_MOUSE_BUTTON_LEFT;
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break;
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case 2:
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button = GLFW_MOUSE_BUTTON_MIDDLE;
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break;
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case 3:
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button = GLFW_MOUSE_BUTTON_RIGHT;
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break;
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// case 4:
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// button = GLFW_MOUSE_WHEELUP;
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// break;
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// case 5:
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// button = GLFW_MOUSE_WHEELDOWN;
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// break;
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default:
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button = 0;
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break;
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}
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#endif
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rack::window::mouseButtonCallback(fContext, button, action, mods);
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return true;
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}
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bool onMotion(const MotionEvent& ev) override
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{
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const ScopedContext sc(this);
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rack::window::cursorPosCallback(fContext, ev.pos.getX(), ev.pos.getY());
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return true;
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}
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bool onScroll(const ScrollEvent& ev) override
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{
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const ScopedContext sc(this);
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rack::window::scrollCallback(fContext, ev.delta.getX(), ev.delta.getY());
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return true;
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}
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#if 0
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void onResize(const ResizeEvent& ev) override
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{
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UI::onResize(ev);
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// APP->window->setSize(rack::math::Vec(ev.size.getWidth(), ev.size.getHeight()));
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}
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#endif
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// TODO uiFocus
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bool onCharacterInput(const CharacterInputEvent& ev) override
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{
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if (ev.character == 0)
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return false;
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const ScopedContext sc(this);
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rack::window::charCallback(fContext, ev.character);
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return true;
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}
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bool onKeyboard(const KeyboardEvent& ev) override
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{
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const ScopedContext sc(this);
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int key;
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int mods = 0;
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int action = ev.press;
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/* These are unsupported in pugl right now
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#define GLFW_KEY_KP_0 320
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#define GLFW_KEY_KP_1 321
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#define GLFW_KEY_KP_2 322
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#define GLFW_KEY_KP_3 323
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#define GLFW_KEY_KP_4 324
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#define GLFW_KEY_KP_5 325
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#define GLFW_KEY_KP_6 326
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#define GLFW_KEY_KP_7 327
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#define GLFW_KEY_KP_8 328
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#define GLFW_KEY_KP_9 329
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#define GLFW_KEY_KP_DECIMAL 330
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#define GLFW_KEY_KP_DIVIDE 331
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#define GLFW_KEY_KP_MULTIPLY 332
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#define GLFW_KEY_KP_SUBTRACT 333
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#define GLFW_KEY_KP_ADD 334
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#define GLFW_KEY_KP_ENTER 335
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#define GLFW_KEY_KP_EQUAL 336
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*/
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switch (ev.key)
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{
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case '\r': key = GLFW_KEY_ENTER; break;
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case '\t': key = GLFW_KEY_TAB; break;
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case kKeyBackspace: key = GLFW_KEY_BACKSPACE; break;
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case kKeyEscape: key = GLFW_KEY_ESCAPE; break;
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case kKeyDelete: key = GLFW_KEY_DELETE; break;
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case kKeyF1: key = GLFW_KEY_F1; break;
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case kKeyF2: key = GLFW_KEY_F2; break;
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case kKeyF3: key = GLFW_KEY_F3; break;
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case kKeyF4: key = GLFW_KEY_F4; break;
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case kKeyF5: key = GLFW_KEY_F5; break;
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case kKeyF6: key = GLFW_KEY_F6; break;
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case kKeyF7: key = GLFW_KEY_F7; break;
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case kKeyF8: key = GLFW_KEY_F8; break;
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case kKeyF9: key = GLFW_KEY_F9; break;
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case kKeyF10: key = GLFW_KEY_F10; break;
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case kKeyF11: key = GLFW_KEY_F11; break;
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case kKeyF12: key = GLFW_KEY_F12; break;
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case kKeyLeft: key = GLFW_KEY_LEFT; break;
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case kKeyUp: key = GLFW_KEY_UP; break;
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case kKeyRight: key = GLFW_KEY_RIGHT; break;
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case kKeyDown: key = GLFW_KEY_DOWN; break;
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case kKeyPageUp: key = GLFW_KEY_PAGE_UP; break;
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case kKeyPageDown: key = GLFW_KEY_PAGE_DOWN; break;
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case kKeyHome: key = GLFW_KEY_HOME; break;
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case kKeyEnd: key = GLFW_KEY_END; break;
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case kKeyInsert: key = GLFW_KEY_INSERT; break;
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case kKeyShiftL: key = GLFW_KEY_LEFT_SHIFT; break;
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case kKeyShiftR: key = GLFW_KEY_RIGHT_SHIFT; break;
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case kKeyControlL: key = GLFW_KEY_LEFT_CONTROL; break;
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case kKeyControlR: key = GLFW_KEY_RIGHT_CONTROL; break;
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case kKeyAltL: key = GLFW_KEY_LEFT_ALT; break;
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case kKeyAltR: key = GLFW_KEY_RIGHT_ALT; break;
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case kKeySuperL: key = GLFW_KEY_LEFT_SUPER; break;
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case kKeySuperR: key = GLFW_KEY_RIGHT_SUPER; break;
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case kKeyMenu: key = GLFW_KEY_MENU; break;
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case kKeyCapsLock: key = GLFW_KEY_CAPS_LOCK; break;
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case kKeyScrollLock: key = GLFW_KEY_SCROLL_LOCK; break;
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case kKeyNumLock: key = GLFW_KEY_NUM_LOCK; break;
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case kKeyPrintScreen: key = GLFW_KEY_PRINT_SCREEN; break;
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case kKeyPause: key = GLFW_KEY_PAUSE; break;
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default: key = ev.key; break;
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}
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if (ev.mod & kModifierControl)
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mods |= GLFW_MOD_CONTROL;
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if (ev.mod & kModifierShift)
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mods |= GLFW_MOD_SHIFT;
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if (ev.mod & kModifierAlt)
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mods |= GLFW_MOD_ALT;
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// TODO special key conversion
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rack::window::keyCallback(fContext, key, ev.keycode, action, mods);
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return true;
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}
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private:
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/**
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Set our UI class as non-copyable and add a leak detector just in case.
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*/
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DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CardinalUI)
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};
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/* ------------------------------------------------------------------------------------------------------------
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* UI entry point, called by DPF to create a new UI instance. */
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UI* createUI()
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{
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return new CardinalUI();
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}
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// -----------------------------------------------------------------------------------------------------------
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END_NAMESPACE_DISTRHO
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