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Switch to using VCV nanovg; Hook mouse events; Add resize handle

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This commit is contained in:
falkTX 2021-10-08 01:50:21 +01:00
parent d6dcdfff55
commit ee3f3771a4
9 changed files with 379 additions and 52 deletions
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102
plugins/CVCRack/Window.cpp
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@ -68,6 +68,7 @@ std::shared_ptr<Image> Image::load(const std::string& filename) {
struct Window::Internal {
DISTRHO_NAMESPACE::UI* ui;
math::Vec size;
std::string lastWindowTitle;
@ -94,11 +95,18 @@ struct Window::Internal {
Window::Window() {
internal = new Internal;
internal->ui = lastUI;
vg = lastUI->getContext();
internal->size = minWindowSize;
int err;
// Set up GLEW
glewExperimental = GL_TRUE;
err = glewInit();
if (err != GLEW_OK) {
osdialog_message(OSDIALOG_ERROR, OSDIALOG_OK, "Could not initialize GLEW. Does your graphics card support OpenGL 2.0 or greater? If so, make sure you have the latest graphics drivers installed.");
exit(1);
}
const GLubyte* vendor = glGetString(GL_VENDOR);
const GLubyte* renderer = glGetString(GL_RENDERER);
const GLubyte* version = glGetString(GL_VERSION);
@ -109,6 +117,21 @@ Window::Window() {
// GLEW generates GL error because it calls glGetString(GL_EXTENSIONS), we'll consume it here.
glGetError();
// Set up NanoVG
int nvgFlags = NVG_ANTIALIAS;
#if defined NANOVG_GL2
vg = nvgCreateGL2(nvgFlags);
fbVg = nvgCreateSharedGL2(vg, nvgFlags);
#elif defined NANOVG_GL3
vg = nvgCreateGL3(nvgFlags);
#elif defined NANOVG_GLES2
vg = nvgCreateGLES2(nvgFlags);
#endif
if (!vg) {
osdialog_message(OSDIALOG_ERROR, OSDIALOG_OK, "Could not initialize NanoVG. Does your graphics card support OpenGL 2.0 or greater? If so, make sure you have the latest graphics drivers installed.");
exit(1);
}
// Load default Blendish font
uiFont = loadFont(asset::system("res/fonts/DejaVuSans.ttf"));
bndSetFont(uiFont->handle);
@ -132,17 +155,26 @@ Window::~Window() {
// nvgDeleteClone(fbVg);
#if defined NANOVG_GL2
nvgDeleteGL2(vg);
nvgDeleteGL2(fbVg);
#elif defined NANOVG_GL3
nvgDeleteGL3(vg);
#elif defined NANOVG_GLES2
nvgDeleteGLES2(vg);
#endif
delete internal;
}
math::Vec Window::getSize() {
return math::Vec(1280, 720);
return internal->size;
}
void Window::setSize(math::Vec size) {
size = size.max(minWindowSize);
internal->size = size.max(minWindowSize);
}
@ -163,14 +195,12 @@ void Window::step() {
nvgReset(vg);
bndSetFont(uiFont->handle);
nvgFillColor(vg, nvgRGBf(1, 1, 1));
nvgStrokeColor(vg, nvgRGBf(1, 1, 1));
// Poll events
// Save and restore context because event handler set their own context based on which window they originate from.
Context* context = contextGet();
// Context* context = contextGet();
// glfwPollEvents();
contextSet(context);
// contextSet(context);
// Set window title
std::string windowTitle = APP_NAME + " " + APP_EDITION_NAME + " " + APP_VERSION;
@ -223,9 +253,9 @@ void Window::step() {
APP->scene->draw(args);
t3 = system::getTime();
// glViewport(0, -winHeight, fbWidth, fbHeight);
// glClearColor(0.0, 0.0, 0.0, 1.0);
// glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glViewport(0, 0, fbWidth, fbHeight);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
nvgEndFrame(vg);
t4 = system::getTime();
}
@ -370,6 +400,56 @@ bool& Window::fbDirtyOnSubpixelChange() {
}
void mouseButtonCallback(Window* win, int button, int action, int mods) {
/*
#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
*/
APP->event->handleButton(win->internal->lastMousePos, button, action, mods);
}
void cursorPosCallback(Window* win, double xpos, double ypos) {
math::Vec mousePos = math::Vec(xpos, ypos).div(win->pixelRatio / win->windowRatio).round();
math::Vec mouseDelta = mousePos.minus(win->internal->lastMousePos);
// Workaround for GLFW warping mouse to a different position when the cursor is locked or unlocked.
if (win->internal->ignoreNextMouseDelta) {
win->internal->ignoreNextMouseDelta = false;
mouseDelta = math::Vec();
}
win->internal->lastMousePos = mousePos;
APP->event->handleHover(mousePos, mouseDelta);
// Keyboard/mouse MIDI driver
math::Vec scaledPos(xpos / win->internal->ui->getWidth(), ypos / win->internal->ui->getHeight());
keyboard::mouseMove(scaledPos);
}
void scrollCallback(Window* win, double x, double y) {
math::Vec scrollDelta = math::Vec(x, y);
#if defined ARCH_MAC
scrollDelta = scrollDelta.mult(10.0);
#else
scrollDelta = scrollDelta.mult(50.0);
#endif
APP->event->handleScroll(win->internal->lastMousePos, scrollDelta);
}
void init() {
}