Fixes and improvements to the graphics module

3DEditor/applications/Entry.cpp

@@ -19,7 +19,7 @@ public:
 
 	~EditorGUI() override { delete mGui; }
 
-	void processFrame(EventHandler* eventHandler) override {
+	void processFrame(EventHandler* eventHandler, halnf delta) override {
 		auto rec = RectF({ 0, 0 }, mWindow->getSize());
 
 		mGui->setArea(rec);

Graphics/examples/Example.cpp

@@ -11,7 +11,7 @@ class ExampleApplication : public Application {
 public:
 	ExampleApplication() = default;
 
-	void processFrame(EventHandler* eventHandler) override { 
+	void processFrame(EventHandler* eventHandler, halnf) override {
 		// example
 	}
 
@@ -20,10 +20,11 @@ public:
 
 		ImGui::ShowDemoWindow();
 
-		ImGui::Text("Frames processed per second: %f", this->mFramesProcessedPerSecond);
-		ImGui::Text("Frames drawn per second: %f", this->mFramesDrawnPerSecond);
+		drawDebug();
 	}
 
+	bool forceNewFrame() override { return false; }
+
 	virtual ~ExampleApplication() = default;
 };
 

Graphics/private/Canvas.cpp

@@ -37,7 +37,9 @@ Canvas::~Canvas() {
 	delete mContext;
 }
 
-void Canvas::rect(const RectF& rec, const RGBA& col, halnf round) {
+void Canvas::rect(RectF rec, const RGBA& col, halnf round) {
+	rec.pos += mOrigin;
+
 	nvgBeginPath(mContext->vg);
 
 	if (round == 0) {
@@ -50,7 +52,9 @@ void Canvas::rect(const RectF& rec, const RGBA& col, halnf round) {
 	nvgFill(mContext->vg);
 }
 
-void Canvas::circle(const Vec2F& pos, halnf size, const RGBA& col) {
+void Canvas::circle(Vec2F pos, halnf size, const RGBA& col) {
+	pos += mOrigin;
+
 	nvgBeginPath(mContext->vg);
 	nvgCircle(mContext->vg, pos.x, pos.y, size);
 
@@ -58,6 +62,10 @@ void Canvas::circle(const Vec2F& pos, halnf size, const RGBA& col) {
 	nvgFill(mContext->vg);
 }
 
+void Canvas::setOrigin(const Vec2F& origin) {
+	mOrigin = origin;
+}
+
 void Canvas::pushClamp(const RectF& rec) {
 	RectF intersection = rec;
 	if (mScissors.size()) {
@@ -82,7 +90,9 @@ void Canvas::popClamp() {
 void Canvas::text(
 	const char* string, const RectF& aRec, halnf size, Align align, halnf marging, const RGBA& col
 ) {
+
 	RectF rec = { aRec.x + marging, aRec.y + marging, aRec.z - marging * 2, aRec.w - marging * 2 };
+	rec.pos += mOrigin;
 
 	pushClamp(rec);
 
@@ -121,7 +131,9 @@ void Canvas::text(
 	popClamp();
 }
 
-void Canvas::drawImage(const RectF& rec, ImageHandle* image, halnf angle, halnf alpha, halnf rounding) {
+void Canvas::drawImage(RectF rec, ImageHandle* image, halnf angle, halnf alpha, halnf rounding) {
+	rec.pos += mOrigin;
+
 	auto imgPaint = nvgImagePattern(mContext->vg, rec.x, rec.y, rec.z, rec.w, angle, image->id, alpha);
 	nvgBeginPath(mContext->vg);
 	nvgRoundedRect(mContext->vg, rec.x, rec.y, rec.z, rec.w, rounding);

Graphics/private/EventHandler.cpp

@@ -42,6 +42,14 @@ bool transitionsReduce[4][4] = {
 	{ true, true, true, true },
 };
 
+void EventHandler::processAllEvent() {
+	mMutex.lock();
+	while (mEventQueue.size()) {
+		processEventUnguarded();
+	}
+	mMutex.unlock();
+}
+
 void EventHandler::processEvent() {
 	mMutex.lock();
 
@@ -50,10 +58,17 @@ void EventHandler::processEvent() {
 		return;
 	}
 
-	auto lastEvent = &mEventQueue.last();
+	processEventUnguarded();
 
-	const auto& eventData = lastEvent->second;
-	const auto& inputId = lastEvent->first;
+	mMutex.unlock();
+}
+
+void EventHandler::processEventUnguarded() {
+
+	auto firstEvent = &mEventQueue.first();
+
+	const auto& eventData = firstEvent->second;
+	const auto& inputId = firstEvent->first;
 
 	switch (eventData.type) {
 		case InputEvent::Type::MOUSE_POS:
@@ -71,8 +86,6 @@ void EventHandler::processEvent() {
 
 				mInputStates[(int) inputId].mCurrentState = transitions[currentState][reportedEvent];
 
-				// printf("%i - %i \n", reportedEvent, mInputStates[(int) InputID::MOUSE1].mCurrentState);
-
 				if (transitionsReduce[currentState][reportedEvent]) {
 					mEventQueue.popFront();
 				}
@@ -98,13 +111,15 @@ void EventHandler::processEvent() {
 	}
 
 	mPointerPressure = mInputStates[(int) InputID::MOUSE1].mCurrentState != InputState::State::NONE;
-
-	mMutex.unlock();
 }
 
-const Vec2F& EventHandler::getPointer() const { return mPointer; }
+void EventHandler::setCursorOrigin(const Vec2F& origin) {
+	mPointerOrigin = origin;
+}
 
-const Vec2F& EventHandler::getPointerPrev() const { return mPointerPrev; }
+Vec2F EventHandler::getPointer() const { return mPointer - mPointerOrigin; }
+
+Vec2F EventHandler::getPointerPrev() const { return mPointerPrev - mPointerOrigin; }
 
 bool EventHandler::isPressed(InputID id) const {
 	return mInputStates[(int) id].mCurrentState == InputState::State::PRESSED;

Graphics/private/GraphicApplication.cpp

@@ -1,6 +1,8 @@
 
 #include "GraphicApplication.hpp"
 
+#include "imgui.h"
+
 using namespace tp;
 
 Application::Application() {
@@ -12,7 +14,7 @@ Application::Application() {
 	mPerSecondTimer.setDuration(1000.f);
 }
 
-void Application::run() {
+void Application::runDefaultLoop() {
 	auto eventHandler = new EventHandler();
 
 	mWindow->setEventHandler(eventHandler);
@@ -25,8 +27,8 @@ void Application::run() {
 
 	// proc first frame by default
 	{
-		mWindow->processEvents();
-		processFrame(eventHandler);
+		mWindow->processEvents(false);
+		processFrame(eventHandler, 0);
 
 		mGraphics->drawBegin();
 		drawFrame(mGraphics->getCanvas());
@@ -34,17 +36,33 @@ void Application::run() {
 		mWindow->draw();
 	}
 
+	time_ms prevProcTime = get_time();
+
+	bool isForcedNewFrame = true;
+
 	while (!mWindow->shouldClose()) {
-		mWindow->processEvents();
+		mWindow->processEvents(!isForcedNewFrame);
+		updateGlobalTime();
 
-		if (mProcTimer.isTimeout() || eventHandler->isEvents()) {
+		if (mProcTimer.isTimeout() || eventHandler->isEvents() || isForcedNewFrame) {
+
+			while ((eventHandler->isEvents() || isForcedNewFrame)) {
 
-			while (eventHandler->isEvents()) {
 				eventHandler->processEvent();
-				processFrame(eventHandler);
+
+				time_ms currentTime = get_time();
+				processFrame(eventHandler, halnf(currentTime - prevProcTime));
+				prevProcTime = currentTime;
 
 				redrawNeeded = true;
 				mFramesProcessed++;
+
+				isForcedNewFrame = forceNewFrame();
+
+				if (isForcedNewFrame) {
+					// mWindow->processEvents();
+					break;
+				}
 			}
 
 			mProcTimer.wait();
@@ -82,13 +100,46 @@ void Application::run() {
 	delete eventHandler;
 }
 
-void Application::processFrame(EventHandler* eventHandler) {}
+void Application::runDebugLoop() {
+	auto eventHandler = new EventHandler();
+	mWindow->setEventHandler(eventHandler);
+
+	time_ms prevProcTime = get_time();
+
+	while (!mWindow->shouldClose()) {
+		mWindow->processEvents();
+		eventHandler->processAllEvent();
+		time_ms currentTime = get_time();
+		processFrame(eventHandler, halnf(currentTime - prevProcTime));
+		prevProcTime = currentTime;
+
+
+		mGraphics->drawBegin();
+		drawFrame(mGraphics->getCanvas());
+		mGraphics->drawEnd();
+		mWindow->draw();
+	}
+
+	delete eventHandler;
+}
+
+void Application::run() {
+	runDefaultLoop();
+	// runDebugLoop();
+}
+
+void Application::processFrame(EventHandler* eventHandler, halnf deltaTime) {}
 
 void Application::drawFrame(Canvas* canvas) {
 	// ImGui::Text("Frames processed per second: %f", mFramesProcessedPerSecond);
 	// ImGui::Text("Frames drawn per second: %f", mFramesDrawnPerSecond);
 }
 
+void Application::drawDebug() {
+	ImGui::Text("Frames processed per second: %f", this->mFramesProcessedPerSecond);
+	ImGui::Text("Frames drawn per second: %f", this->mFramesDrawnPerSecond);
+}
+
 Application::~Application() {
 	delete mGraphics;
 	Window::destroyWindow(mWindow);

Graphics/private/Window.cpp

@@ -90,9 +90,9 @@ void Window::destroyWindow(Window* window) {
 
 bool Window::shouldClose() const { return glfwWindowShouldClose(mContext->window); }
 
-void Window::processEvents() {
-	// glfwPollEvents();
-	glfwWaitEvents();
+void Window::processEvents(bool wait) {
+	if (wait) glfwWaitEvents();
+	else glfwPollEvents();
 	checkAxisUpdates();
 }
 
@@ -166,12 +166,12 @@ static void mouseButtonCallback(GLFWwindow* window, int button, int action, int
 	auto id = (InputID) ((int) InputID::MOUSE1 + button);
 
 	if (action == GLFW_PRESS) {
-		eventHandler->postEvent(id, { InputEvent::Type::BUTTON_ACTION, InputEvent::ButtonAction::PRESS, {} }
-		);
+		// printf("mouse\n");
+		eventHandler->postEvent(id, { InputEvent::Type::BUTTON_ACTION, InputEvent::ButtonAction::PRESS, {} });
 	} else if (action == GLFW_RELEASE) {
 		eventHandler->postEvent(id, { InputEvent::Type::BUTTON_ACTION, InputEvent::ButtonAction::RELEASE, {} });
-		// eventHandler->postEvent(id, { InputEvent::Type::BUTTON_ACTION, InputEvent::ButtonAction::NONE, {} });
 	}
+
 }
 
 static void scrollCallback(GLFWwindow* window, double xOffset, double yOffset) {

Graphics/public/EventHandler.hpp

@@ -71,9 +71,13 @@ namespace tp {
 	public: // User interface
 		bool isEvents();
 		void processEvent();
+		void processAllEvent();
 
-		[[nodiscard]] const Vec2F& getPointer() const;
-		[[nodiscard]] const Vec2F& getPointerPrev() const;
+
+		void setCursorOrigin(const Vec2F& origin);
+
+		[[nodiscard]] Vec2F getPointer() const;
+		[[nodiscard]] Vec2F getPointerPrev() const;
 		[[nodiscard]] Vec2F getPointerDelta() const;
 
 		[[nodiscard]] bool isPressed(InputID id) const;
@@ -83,6 +87,9 @@ namespace tp {
 
 		[[nodiscard]] halnf getPointerPressure() const;
 
+	private:
+		void processEventUnguarded();
+
 	private:
 		std::mutex mMutex = {};
 
@@ -90,6 +97,8 @@ namespace tp {
 		List<std::pair<InputID, InputEvent>> mEventQueue;
 
 		// input states
+		Vec2F mPointerOrigin = { 0, 0 };
+
 		Vec2F mPointer;
 		Vec2F mPointerPrev;
 		Vec2F mScrollDelta;

Graphics/public/GraphicApplication.hpp

@@ -12,16 +12,24 @@ namespace tp {
 
 		void run();
 
-		virtual void processFrame(EventHandler* eventHandler);
+		virtual bool forceNewFrame() { return false; }
+
+		virtual void processFrame(EventHandler* eventHandler, halnf deltaTime);
 		virtual void drawFrame(Canvas* canvas);
 
 		virtual ~Application();
 
+		void drawDebug();
+
+	private:
+		void runDefaultLoop();
+		void runDebugLoop();
+
 	protected:
 		bool mInitialized = false;
 
 		ualni mDrawPerSecond = 60;
-		ualni mProcPerSecond = 160;
+		ualni mProcPerSecond = 100;
 
 		Timer mDrawTimer;
 		Timer mProcTimer;

Graphics/public/Graphics.hpp

@@ -55,21 +55,25 @@ namespace tp {
 			ualni id = 0;
 		};
 
+		void setOrigin(const Vec2F& origin);
+
 		void pushClamp(const RectF& rec);
 		void popClamp();
-		void rect(const RectF& rec, const RGBA& col, halnf round = 0);
-		void circle(const Vec2F& pos, halnf size, const RGBA& col);
+
+		void rect(RectF rec, const RGBA& col, halnf round = 0);
+		void circle(Vec2F pos, halnf size, const RGBA& col);
 		void text(const char*, const RectF&, halnf size, Align, halnf padding, const RGBA&);
 
 		ImageHandle createImageFromTextId(ualni id, Vec2F size);
 		void updateTextureID(ImageHandle handle, ualni id);
 
 		void deleteImageHandle(ImageHandle image);
-		void drawImage(const RectF& rec, ImageHandle* image, halnf angle = 0, halnf alpha = 1.f, halnf rounding = 0.f);
+		void drawImage(RectF rec, ImageHandle* image, halnf angle = 0, halnf alpha = 1.f, halnf rounding = 0.f);
 
 	private:
 		Buffer<RectF> mScissors;
 		bool mIsClamping = false;
+		Vec2F mOrigin = { 0, 0 };
 	};
 
 	class Graphics {

Graphics/public/Window.hpp

@@ -17,7 +17,7 @@ namespace tp {
 
 	public:
 		void draw();
-		void processEvents();
+		void processEvents(bool wait = true);
 
 		void setEventHandler(EventHandler* eventHandler);
 		[[nodiscard]] EventHandler* getEventHandler();

LibraryViewer/applications/Entry.cpp

@@ -14,7 +14,7 @@ public:
 		gui.updateTracks();
 	}
 
-	void processFrame(EventHandler* eventHandler) override {
+	void processFrame(EventHandler* eventHandler, halnf delta) override {
 		auto rec = RectF{ { 0, 0 }, mWindow->getSize() };
 
 		gui.setVisible(true);

Objects/applications/GUIEntry.cpp

@@ -10,7 +10,7 @@ class SimpleGUI : public Application {
 public:
 	SimpleGUI() { gui.cd(objects_api::create<DictObject>(), "root"); }
 
-	void processFrame(EventHandler* eventHandler) override {}
+	void processFrame(EventHandler* eventHandler, halnf delta) override {}
 
 	void drawFrame(Canvas* canvas) override {
 		canvas->rect({ { 0, 0 }, mWindow->getSize() }, RGBA(0.f, 0.f, 0.f, 1.f), 0);

Sketch3D/applications/Entry.cpp

@@ -11,7 +11,7 @@ public:
 	Sketch3DApplication() :
 		mGui(*mGraphics->getCanvas(), { 1920, 1080 }) {}
 
-	void processFrame(EventHandler* eventHandler) override {
+	void processFrame(EventHandler* eventHandler, halnf delta) override {
 		auto rec = RectF({ 0, 0 }, mWindow->getSize());
 
 		mGui.setVisible(true);

Widgets/examples/ChatGUI.cpp

@@ -9,7 +9,7 @@ class ExampleGUI : public Application {
 public:
 	ExampleGUI() = default;
 
-	void processFrame(EventHandler* eventHandler) override {
+	void processFrame(EventHandler* eventHandler, halnf delta) override {
 		auto rec = RectF({ 0, 0 }, mWindow->getSize());
 
 		mGui.updateConfigWrapper(mWidgetManager);

Widgets/examples/SimpleGUI.cpp

@@ -12,7 +12,7 @@ public:
 		// mGui.mPreview = true;
 	}
 
-	void processFrame(EventHandler* eventHandler) override {
+	void processFrame(EventHandler* eventHandler, halnf) override {
 		const auto rec = RectF({ 0, 0 }, mWindow->getSize());
 
 		mGui.setArea(rec);

Widgets/private/FloatingWidget.cpp

@@ -37,6 +37,8 @@ void FloatingWidget::eventUpdateConfiguration(WidgetManager& wm) {
 }
 
 void FloatingWidget::checkFloating(const Events& events) {
+	mDropped = false;
+
 	if (this->mHeader.isHolding() && events.getPointerDelta().length2() > 4) {
 		mFloating = true;
 	}
@@ -44,6 +46,7 @@ void FloatingWidget::checkFloating(const Events& events) {
 	if (mFloating && this->mHeader.isReleased()) {
 		mFloating = false;
 		this->mHeader.clearEvents();
+		mDropped = true;
 	}
 
 	if (mFloating) {

Widgets/private/WidgetBase.cpp

@@ -19,11 +19,11 @@ void Widget::procWrapper(const Events& events, const RectF& parentArea) {
 
 	if (mHandlesEvents) {
 
-		eventProcess(events);
-
 		for (auto child : mChildWidgets) {
 			child->procWrapper(events, mVisibleArea);
 		}
+
+		eventProcess(events);
 	}
 }
 

Widgets/private/WorkspaceWidget.cpp

@@ -17,8 +17,8 @@ void WorkspaceWidget::eventProcess(const Events& events) {
 	for (auto floatingChild : mFloatingLayer.mChildWidgets) {
 		auto widget = dynamic_cast<FloatingWidget*>(floatingChild.data());
 		if (!widget) continue;
-		if (widget->isFloating()) {
-			if (widget->isReleased()) {
+
+		if (widget->mDropped) {
 			auto side = mDockSpace.getPreviewSide();
 			if (side != GridLayoutWidget::NONE) {
 				mFloatingLayer.mChildWidgets.removeNode(mFloatingLayer.mChildWidgets.find(widget));
@@ -28,6 +28,7 @@ void WorkspaceWidget::eventProcess(const Events& events) {
 			}
 		}
 
+		if (widget->isFloating()) {
 			mDockSpace.mHandlesEvents = true;
 			mDockSpace.mPreview = true;
 		}

Widgets/public/FloatingWidget.hpp

@@ -32,5 +32,7 @@ namespace tp {
 
 	public:
 		bool mResizable = true;
+
+		bool mDropped = false;
 	};
 }