Cardinal/src/CardinalUI.cpp
falkTX 072f9ee3ca
Get Ildaeil to do some useful things
Signed-off-by: falkTX <falktx@falktx.com>
2021-11-05 23:07:18 +00:00

553 lines
18 KiB
C++

/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
*
* This program 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 any later version.
*
* This program 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.
*
* For a full copy of the GNU General Public License see the LICENSE file.
*/
#include <app/Scene.hpp>
#include <context.hpp>
#include <helpers.hpp>
#include <patch.hpp>
#include <settings.hpp>
#include <ui/Button.hpp>
#include <ui/MenuItem.hpp>
#include <ui/MenuSeparator.hpp>
#include <window/Window.hpp>
#ifdef NDEBUG
# undef DEBUG
#endif
#include <Application.hpp>
#include "DistrhoUI.hpp"
#include "PluginContext.hpp"
#include "WindowParameters.hpp"
#include "ResizeHandle.hpp"
GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window) { return nullptr; }
GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char*) {}
GLFWAPI const char* glfwGetKeyName(int key, int scancode) { return nullptr; }
GLFWAPI int glfwGetKeyScancode(int key) { return 0; }
namespace rack {
namespace app {
widget::Widget* createMenuBar(Window& window, bool isStandalone);
}
namespace window {
void WindowSetPluginUI(Window* window, DISTRHO_NAMESPACE::UI* ui);
void WindowSetMods(Window* window, int mods);
}
}
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------------------------------------------
CardinalPluginContext* getRackContextFromPlugin(void* ptr);
// -----------------------------------------------------------------------------------------------------------
class CardinalUI : public UI,
public WindowParametersCallback
{
CardinalPluginContext* const fContext;
rack::math::Vec fLastMousePos;
ResizeHandle fResizeHandle;
WindowParameters fWindowParameters;
struct ScopedContext {
CardinalPluginContext* const context;
ScopedContext(CardinalUI* const ui)
: context(ui->fContext)
{
rack::contextSet(context);
WindowParametersRestore(context->window);
}
ScopedContext(CardinalUI* const ui, const int mods)
: context(ui->fContext)
{
rack::contextSet(context);
rack::window::WindowSetMods(context->window, mods);
WindowParametersRestore(context->window);
}
~ScopedContext()
{
if (context->window != nullptr)
WindowParametersSave(context->window);
rack::contextSet(nullptr);
}
};
public:
CardinalUI()
: UI(1228, 666),
fContext(getRackContextFromPlugin(getPluginInstancePointer())),
fResizeHandle(this)
{
fContext->nativeWindowId = getWindow().getNativeWindowHandle();
if (isResizable())
fResizeHandle.hide();
const double scaleFactor = getScaleFactor();
if (scaleFactor != 1)
setSize(1228 * scaleFactor, 666 * scaleFactor);
rack::contextSet(fContext);
rack::window::WindowSetPluginUI(fContext->window, this);
if (fContext->scene->menuBar != nullptr)
fContext->scene->removeChild(fContext->scene->menuBar);
fContext->scene->menuBar = rack::app::createMenuBar(getWindow(), getApp().isStandalone());
fContext->scene->addChildBelow(fContext->scene->menuBar, fContext->scene->rackScroll);
fContext->window->step();
rack::contextSet(nullptr);
WindowParametersSetCallback(fContext->window, this);
}
~CardinalUI() override
{
rack::contextSet(fContext);
rack::widget::Widget* const menuBar = fContext->scene->menuBar;
fContext->scene->menuBar = nullptr;
fContext->scene->removeChild(menuBar);
rack::window::WindowSetPluginUI(fContext->window, nullptr);
rack::contextSet(nullptr);
}
void onNanoDisplay() override
{
const ScopedContext sc(this);
fContext->window->step();
}
void uiIdle() override
{
repaint();
}
void WindowParametersChanged(const WindowParameterList param, float value) override
{
float mult = 1.0f;
switch (param)
{
case kWindowParameterShowTooltips:
fWindowParameters.tooltips = value > 0.5f;
break;
case kWindowParameterCableOpacity:
mult = 100.0f;
fWindowParameters.cableOpacity = value;
break;
case kWindowParameterCableTension:
mult = 100.0f;
fWindowParameters.cableTension = value;
break;
case kWindowParameterRackBrightness:
mult = 100.0f;
fWindowParameters.rackBrightness = value;
break;
case kWindowParameterHaloBrightness:
mult = 100.0f;
fWindowParameters.haloBrightness = value;
break;
case kWindowParameterKnobMode:
switch (static_cast<int>(value + 0.5f))
{
case rack::settings::KNOB_MODE_LINEAR:
value = 0;
fWindowParameters.knobMode = rack::settings::KNOB_MODE_LINEAR;
break;
case rack::settings::KNOB_MODE_ROTARY_ABSOLUTE:
value = 1;
fWindowParameters.knobMode = rack::settings::KNOB_MODE_ROTARY_ABSOLUTE;
break;
case rack::settings::KNOB_MODE_ROTARY_RELATIVE:
value = 2;
fWindowParameters.knobMode = rack::settings::KNOB_MODE_ROTARY_RELATIVE;
break;
}
break;
case kWindowParameterWheelKnobControl:
fWindowParameters.knobScroll = value > 0.5f;
break;
case kWindowParameterWheelSensitivity:
mult = 1000.0f;
fWindowParameters.knobScrollSensitivity = value;
break;
case kWindowParameterLockModulePositions:
fWindowParameters.lockModules = value > 0.5f;
break;
default:
return;
}
setParameterValue(kModuleParameters + param, value * mult);
}
protected:
/* --------------------------------------------------------------------------------------------------------
* DSP/Plugin Callbacks */
/**
A parameter has changed on the plugin side.
This is called by the host to inform the UI about parameter changes.
*/
void parameterChanged(const uint32_t index, const float value) override
{
if (index < kModuleParameters)
return;
switch (index - kModuleParameters)
{
case kWindowParameterShowTooltips:
fWindowParameters.tooltips = value > 0.5f;
break;
case kWindowParameterCableOpacity:
fWindowParameters.cableOpacity = value / 100.0f;
break;
case kWindowParameterCableTension:
fWindowParameters.cableTension = value / 100.0f;
break;
case kWindowParameterRackBrightness:
fWindowParameters.rackBrightness = value / 100.0f;
break;
case kWindowParameterHaloBrightness:
fWindowParameters.haloBrightness = value / 100.0f;
break;
case kWindowParameterKnobMode:
switch (static_cast<int>(value + 0.5f))
{
case 0:
fWindowParameters.knobMode = rack::settings::KNOB_MODE_LINEAR;
break;
case 1:
fWindowParameters.knobMode = rack::settings::KNOB_MODE_ROTARY_ABSOLUTE;
break;
case 2:
fWindowParameters.knobMode = rack::settings::KNOB_MODE_ROTARY_RELATIVE;
break;
}
break;
case kWindowParameterWheelKnobControl:
fWindowParameters.knobScroll = value > 0.5f;
break;
case kWindowParameterWheelSensitivity:
fWindowParameters.knobScrollSensitivity = value / 1000.0f;
break;
case kWindowParameterLockModulePositions:
fWindowParameters.lockModules = value > 0.5f;
break;
default:
return;
}
WindowParametersSetValues(fContext->window, fWindowParameters);
}
void stateChanged(const char* key, const char* value) override
{
if (std::strcmp(key, "windowSize") != 0)
return;
int width = 0;
int height = 0;
std::sscanf(value, "%i:%i", &width, &height);
if (width > 0 && height > 0)
{
const double scaleFactor = getScaleFactor();
setSize(width * scaleFactor, height * scaleFactor);
}
}
// -------------------------------------------------------------------------------------------------------
static int glfwMods(const uint mod) noexcept
{
int mods = 0;
if (mod & kModifierControl)
mods |= GLFW_MOD_CONTROL;
if (mod & kModifierShift)
mods |= GLFW_MOD_SHIFT;
if (mod & kModifierAlt)
mods |= GLFW_MOD_ALT;
if (mod & kModifierSuper)
mods |= GLFW_MOD_SUPER;
/*
if (glfwGetKey(win, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS || glfwGetKey(win, GLFW_KEY_RIGHT_SHIFT) == GLFW_PRESS)
mods |= GLFW_MOD_SHIFT;
if (glfwGetKey(win, GLFW_KEY_LEFT_CONTROL) == GLFW_PRESS || glfwGetKey(win, GLFW_KEY_RIGHT_CONTROL) == GLFW_PRESS)
mods |= GLFW_MOD_CONTROL;
if (glfwGetKey(win, GLFW_KEY_LEFT_ALT) == GLFW_PRESS || glfwGetKey(win, GLFW_KEY_RIGHT_ALT) == GLFW_PRESS)
mods |= GLFW_MOD_ALT;
if (glfwGetKey(win, GLFW_KEY_LEFT_SUPER) == GLFW_PRESS || glfwGetKey(win, GLFW_KEY_RIGHT_SUPER) == GLFW_PRESS)
mods |= GLFW_MOD_SUPER;
*/
return mods;
}
bool onMouse(const MouseEvent& ev) override
{
const int action = ev.press ? GLFW_PRESS : GLFW_RELEASE;
const int mods = glfwMods(ev.mod);
int button;
#ifdef DISTRHO_OS_MAC
switch (ev.button)
{
case 1:
button = GLFW_MOUSE_BUTTON_LEFT;
break;
case 2:
button = GLFW_MOUSE_BUTTON_RIGHT;
break;
case 3:
button = GLFW_MOUSE_BUTTON_MIDDLE;
break;
default:
button = 0;
break;
}
#else
switch (ev.button)
{
case 1:
button = GLFW_MOUSE_BUTTON_LEFT;
break;
case 2:
button = GLFW_MOUSE_BUTTON_MIDDLE;
break;
case 3:
button = GLFW_MOUSE_BUTTON_RIGHT;
break;
// case 4:
// button = GLFW_MOUSE_WHEELUP;
// break;
// case 5:
// button = GLFW_MOUSE_WHEELDOWN;
// break;
default:
button = 0;
break;
}
#endif
/*
#if defined ARCH_MAC
// Remap Ctrl-left click to right click on Mac
if (button == GLFW_MOUSE_BUTTON_LEFT && (mods & RACK_MOD_MASK) == GLFW_MOD_CONTROL) {
button = GLFW_MOUSE_BUTTON_RIGHT;
mods &= ~GLFW_MOD_CONTROL;
}
// Remap Ctrl-shift-left click to middle click on Mac
if (button == GLFW_MOUSE_BUTTON_LEFT && (mods & RACK_MOD_MASK) == (GLFW_MOD_CONTROL | GLFW_MOD_SHIFT)) {
button = GLFW_MOUSE_BUTTON_MIDDLE;
mods &= ~(GLFW_MOD_CONTROL | GLFW_MOD_SHIFT);
}
#endif
*/
const ScopedContext sc(this, mods);
return fContext->event->handleButton(fLastMousePos, button, action, mods);
}
bool onMotion(const MotionEvent& ev) override
{
const rack::math::Vec mousePos = rack::math::Vec(ev.pos.getX(), ev.pos.getY()).div(getScaleFactor()).round();
const rack::math::Vec mouseDelta = mousePos.minus(fLastMousePos);
fLastMousePos = mousePos;
const ScopedContext sc(this, glfwMods(ev.mod));
return fContext->event->handleHover(mousePos, mouseDelta);
}
bool onScroll(const ScrollEvent& ev) override
{
rack::math::Vec scrollDelta = rack::math::Vec(ev.delta.getX(), ev.delta.getY());
#ifdef DISTRHO_OS_MAC
scrollDelta = scrollDelta.mult(10.0);
#else
scrollDelta = scrollDelta.mult(50.0);
#endif
const ScopedContext sc(this, glfwMods(ev.mod));
return fContext->event->handleScroll(fLastMousePos, scrollDelta);
}
bool onCharacterInput(const CharacterInputEvent& ev) override
{
if (ev.character <= ' ' || ev.character >= kKeyDelete)
return false;
const ScopedContext sc(this, glfwMods(ev.mod));
return fContext->event->handleText(fLastMousePos, ev.character);
}
bool onKeyboard(const KeyboardEvent& ev) override
{
const int action = ev.press ? GLFW_PRESS : GLFW_RELEASE;
const int mods = glfwMods(ev.mod);
/* These are unsupported in pugl right now
#define GLFW_KEY_KP_0 320
#define GLFW_KEY_KP_1 321
#define GLFW_KEY_KP_2 322
#define GLFW_KEY_KP_3 323
#define GLFW_KEY_KP_4 324
#define GLFW_KEY_KP_5 325
#define GLFW_KEY_KP_6 326
#define GLFW_KEY_KP_7 327
#define GLFW_KEY_KP_8 328
#define GLFW_KEY_KP_9 329
#define GLFW_KEY_KP_DECIMAL 330
#define GLFW_KEY_KP_DIVIDE 331
#define GLFW_KEY_KP_MULTIPLY 332
#define GLFW_KEY_KP_SUBTRACT 333
#define GLFW_KEY_KP_ADD 334
#define GLFW_KEY_KP_ENTER 335
#define GLFW_KEY_KP_EQUAL 336
*/
int key;
switch (ev.key)
{
case '\r': key = GLFW_KEY_ENTER; break;
case '\t': key = GLFW_KEY_TAB; break;
case kKeyBackspace: key = GLFW_KEY_BACKSPACE; break;
case kKeyEscape: key = GLFW_KEY_ESCAPE; break;
case kKeyDelete: key = GLFW_KEY_DELETE; break;
case kKeyF1: key = GLFW_KEY_F1; break;
case kKeyF2: key = GLFW_KEY_F2; break;
case kKeyF3: key = GLFW_KEY_F3; break;
case kKeyF4: key = GLFW_KEY_F4; break;
case kKeyF5: key = GLFW_KEY_F5; break;
case kKeyF6: key = GLFW_KEY_F6; break;
case kKeyF7: key = GLFW_KEY_F7; break;
case kKeyF8: key = GLFW_KEY_F8; break;
case kKeyF9: key = GLFW_KEY_F9; break;
case kKeyF10: key = GLFW_KEY_F10; break;
case kKeyF11: key = GLFW_KEY_F11; break;
case kKeyF12: key = GLFW_KEY_F12; break;
case kKeyLeft: key = GLFW_KEY_LEFT; break;
case kKeyUp: key = GLFW_KEY_UP; break;
case kKeyRight: key = GLFW_KEY_RIGHT; break;
case kKeyDown: key = GLFW_KEY_DOWN; break;
case kKeyPageUp: key = GLFW_KEY_PAGE_UP; break;
case kKeyPageDown: key = GLFW_KEY_PAGE_DOWN; break;
case kKeyHome: key = GLFW_KEY_HOME; break;
case kKeyEnd: key = GLFW_KEY_END; break;
case kKeyInsert: key = GLFW_KEY_INSERT; break;
case kKeyShiftL: key = GLFW_KEY_LEFT_SHIFT; break;
case kKeyShiftR: key = GLFW_KEY_RIGHT_SHIFT; break;
case kKeyControlL: key = GLFW_KEY_LEFT_CONTROL; break;
case kKeyControlR: key = GLFW_KEY_RIGHT_CONTROL; break;
case kKeyAltL: key = GLFW_KEY_LEFT_ALT; break;
case kKeyAltR: key = GLFW_KEY_RIGHT_ALT; break;
case kKeySuperL: key = GLFW_KEY_LEFT_SUPER; break;
case kKeySuperR: key = GLFW_KEY_RIGHT_SUPER; break;
case kKeyMenu: key = GLFW_KEY_MENU; break;
case kKeyCapsLock: key = GLFW_KEY_CAPS_LOCK; break;
case kKeyScrollLock: key = GLFW_KEY_SCROLL_LOCK; break;
case kKeyNumLock: key = GLFW_KEY_NUM_LOCK; break;
case kKeyPrintScreen: key = GLFW_KEY_PRINT_SCREEN; break;
case kKeyPause: key = GLFW_KEY_PAUSE; break;
default: key = ev.key; break;
}
const ScopedContext sc(this, mods);
return fContext->event->handleKey(fLastMousePos, key, ev.keycode, action, mods);
}
void onResize(const ResizeEvent& ev) override
{
UI::onResize(ev);
if (fContext->window != nullptr)
fContext->window->setSize(rack::math::Vec(ev.size.getWidth(), ev.size.getHeight()));
const double scaleFactor = getScaleFactor();
char sizeString[64];
std::snprintf(sizeString, sizeof(sizeString), "%d:%d",
(int)(ev.size.getWidth() / scaleFactor), (int)(ev.size.getHeight() / scaleFactor));
setState("windowSize", sizeString);
}
void uiFocus(const bool focus, CrossingMode) override
{
if (focus)
return;
const ScopedContext sc(this, 0);
fContext->event->handleLeave();
}
void uiFileBrowserSelected(const char* const filename) override
{
if (filename == nullptr)
return;
rack::contextSet(fContext);
WindowParametersRestore(fContext->window);
fContext->patch->loadAction(filename);
}
#if 0
void uiReshape(const uint width, const uint height) override
{
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0.0, width, 0.0, height, -1.0, 1.0);
glViewport(0, 0, width, height);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
#endif
private:
/**
Set our UI class as non-copyable and add a leak detector just in case.
*/
DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CardinalUI)
};
/* ------------------------------------------------------------------------------------------------------------
* UI entry point, called by DPF to create a new UI instance. */
UI* createUI()
{
return new CardinalUI();
}
// -----------------------------------------------------------------------------------------------------------
END_NAMESPACE_DISTRHO