Refactor

WidgetsNew/examples/Example.cpp

@@ -5,19 +5,33 @@
 #include "AnimationTestWidget.hpp"
 #include "FloatingWidget.hpp"
 #include "SimpleWidgets.hpp"
+#include "LayoutWidget.hpp"
 
 using namespace tp;
 
 class WidgetApplication : public Application {
 public:
 	WidgetApplication() {
-		mRootWidget.setRootWidget(&mWidget);
+		mRootWidget.setRootWidget(&mLayoutWidget);
 
-		mWidget.addChild(&mWidgetFloating);
+		mLayoutWidget.addChild(&mFloatingMenu);
+		// mLayoutWidget.addChild(&mButton2);
 
-		RootWidget::setWidgetArea(mWidgetFloating, { 100, 100, 150, 200 });
+		// mWidgetFloating.addChild(&mButton);
 
-		mWidgetFloating.addChild(&mButton);
+		// mRootWidget.setRootWidget(&mAnimationTestWidget);
+
+		// mAnimationTestWidget.addChild(&mWidgetFloating);
+		// mAnimationTestWidget.addChild(&mLayoutWidget);
+
+		// RootWidget::setWidgetArea(mButton, { 100, 100, 150, 200 });
+
+		RootWidget::setWidgetArea(mFloatingMenu, { 100, 100, 150, 200 });
+
+		// mWidgetFloating.addChild(&mLayoutWidget);
+
+		// mLayoutWidget.addChild(&mButton);
+		// mLayoutWidget.addChild(&mLabel);
 	}
 
 	void processFrame(EventHandler* eventHandler, halnf deltaTime) override {
@@ -38,10 +52,12 @@ public:
 private:
 	LabelWidget mLabel;
 	ButtonWidget mButton;
-
+	ButtonWidget mButton2;
 	FloatingWidget mWidgetFloating;
+	AnimationTestWidget mAnimationTestWidget;
+	DesktopLayout mLayoutWidget;
+	FloatingMenu mFloatingMenu;
 
-	AnimationTestWidget mWidget;
 	RootWidget mRootWidget;
 };
 

WidgetsNew/private/AnimationTestWidget.cpp

@@ -13,7 +13,7 @@ void AnimationTestWidget::process(const EventHandler& events) {
 
 	mTestSpring.updateCurrentRect();
 
-	if (mTestSpring.checkAnimationShouldEnd()) {
+	if (mTestSpring.shouldEndTransition()) {
 		mTestSpring.endAnimation();
 	}
 }
@@ -23,7 +23,6 @@ void AnimationTestWidget::draw(Canvas& canvas) {
 	canvas.rect(mTestSpring.getCurrentRect(), RGBA(1.f), 10);
 }
 
-bool AnimationTestWidget::needUpdate() const {
-	if (Widget::needUpdate()) return true;
-	return !mTestSpring.checkAnimationShouldEnd();
+bool AnimationTestWidget::needsNextFrame() const {
+	return Widget::needsNextFrame() || !mTestSpring.shouldEndTransition();
 }

WidgetsNew/private/FloatingWidget.cpp

@@ -12,21 +12,45 @@ void FloatingWidget::process(const EventHandler& events) {
 		mIsFloating = true;
 	}
 
+	if (mIsFloating && resizeHandleRect().isInside(relativePointer)) {
+    mIsResizing = true;
+	}
+
 	if (mIsFloating && events.isReleased(InputID::MOUSE1)) {
 		mIsFloating = false;
+		mIsResizing = false;
 	}
 
 	mPointerCurrent = relativePointer;
 
-	setActive(mIsFloating || needUpdate());
+	// triggerWidgetUpdate();
 }
 
-void FloatingWidget::updateArea(RectF& area) const {
-	if (mIsFloating) {
+void FloatingWidget::adjustRect() {
+	auto area = getArea();
+
+	if (mIsResizing) {
+		area.size = mPointerCurrent + mHandleSize / 2.f;
+	} else if (mIsFloating) {
 		area.pos += mPointerCurrent - mPointerStart;
 	}
+
+	setArea(area);
 }
 
 void FloatingWidget::draw(Canvas& canvas) {
+	canvas.rect(resizeHandleRect(), RGBA(0.7f), 2);
 	canvas.rect(getRelativeArea(), RGBA(0.5f), 10);
+}
+
+RectF FloatingWidget::resizeHandleRect() {
+	auto area = getRelativeArea();
+	area.pos = area.p3() - mHandleSize;
+	area.size = mHandleSize;
+	area.shrink(mHandlePadding);
+	return area;
+}
+
+bool FloatingWidget::propagateEventsToChildren() const {
+	return !mIsFloating;
 }

WidgetsNew/private/RootWidget.cpp

@@ -1,35 +1,77 @@
+
+#include <algorithm>
 #include "RootWidget.hpp"
 
+#include "imgui.h"
+
 using namespace tp;
 
-void RootWidget::setRootWidget(Widget* widget) { mRoot = widget; }
+void RootWidget::setRootWidget(Widget* widget) {
+	mRoot = widget;
+	widget->mParent = this;
+}
 
 void RootWidget::processFrame(EventHandler* events, const RectF& screenArea) {
-	mNeedUpdate = false;
-
-	auto currentPaths = &mActivePaths[mFlipFlop];
-	auto prevPaths = &mActivePaths[!mFlipFlop];
-
-	updateActivePaths(currentPaths, events->getPointer());
+	mScreenArea = screenArea;
 
 	mRoot->setArea(screenArea);
 
-	clearProcessedFlag(*currentPaths);
-	clearProcessedFlag(*prevPaths);
+	// construct hierarchy tree of widgets to process
+	updateTreeToProcess();
 
-	processPaths(*currentPaths, *events);
-	processPaths(*prevPaths, *events);
+	// update active tree animations
+	updateAnimations(&mWidgetsToProcess[mRoot]);
 
-	mActiveWidgets.erase_if([](auto widget) { return !widget->mIsActive; });
+	// update all events and call all event processing callbacks
+	EventHandler dummyEvents;
 
-	mFlipFlop = !mFlipFlop;
+	processFocusItems(*events);
+	processActiveTree(&mWidgetsToProcess[mRoot], dummyEvents);
+
+	// update widget sizes base on individual size policies
+	adjustSizes(&mWidgetsToProcess[mRoot]);
+
+	// trigger some widgets by moise pointer
+	handleFocusChanges(*events);
+
+	// check triggered widgets for removal
+	erase_if(mTriggeredWidgets, [](auto widget) {
+		auto end = !widget->needsNextFrame();
+		if (end) {
+			widget->endAnimations();
+		}
+		return end;
+	});
 }
 
-bool RootWidget::needsUpdate() const { return mNeedUpdate; }
+bool RootWidget::needsUpdate() const { return !mTriggeredWidgets.empty(); }
 
 void RootWidget::drawFrame(Canvas& canvas) {
 	// draw from top to bottom
+	canvas.rect(mScreenArea, RGBA(0, 0, 0, 1));
+
+	// draw all tree from top to bottom
 	drawRecursion(canvas, mRoot, { 0, 0 });
+
+	if (mDebug) {
+		drawDebug(canvas, mRoot, { 0, 0 });
+		ImGui::Text("Triggered Widgets: %i", (int) mTriggeredWidgets.size());
+		ImGui::Text("Widgets To Process: %i", (int) mWidgetsToProcess.size());
+	}
+}
+
+
+void RootWidget::updateTreeToProcess() {
+	mWidgetsToProcess.clear();
+	for (auto widget : mTriggeredWidgets) {
+		for (auto iter = widget; iter; iter = iter->mParent) {
+			if (iter->mParent) {
+				mWidgetsToProcess[iter->mParent].children.insert(&mWidgetsToProcess[iter]);
+				mWidgetsToProcess[iter->mParent].widget= iter->mParent;
+				mWidgetsToProcess[iter].widget= iter;
+			}
+		}
+	}
 }
 
 void RootWidget::drawRecursion(Canvas& canvas, Widget* active, const Vec2F& pos) {
@@ -37,8 +79,9 @@ void RootWidget::drawRecursion(Canvas& canvas, Widget* active, const Vec2F& pos)
 	canvas.pushClamp({ pos, active->getArea().size });
 
 	active->draw(canvas);
-	for (auto child : active->mChildWidgets) {
-		drawRecursion(canvas, child.data(), pos + child->getArea().pos);
+
+	for (auto child : active->mChildren) {
+		drawRecursion(canvas, child, pos + child->getArea().pos);
 	}
 
 	canvas.setOrigin(pos);
@@ -47,57 +90,25 @@ void RootWidget::drawRecursion(Canvas& canvas, Widget* active, const Vec2F& pos)
 	active->drawOverlay(canvas);
 }
 
-void RootWidget::updateActivePaths(Buffer<ActivePath>* activePaths, const Vec2F& pointer) {
-	activePaths->clear();
+void RootWidget::drawDebug(Canvas& canvas, Widget* active, const Vec2F& pos) {
+	auto area = RectF{ pos, active->getArea().size };
 
-	// based on pointer position
-	Widget* pointedWidget = nullptr;
 
-	{
-		ActivePath& activePath = activePaths->append(ActivePath{});
-		activePath.path.append({ mRoot, {} });
-
-		auto pointerIter = pointer;
-
-		bool newActive = true;
-		while (newActive) {
-			newActive = false;
-			for (auto child : activePath.path.last().widget->mChildWidgets) {
-				const auto area = child->mArea.getCurrentRect();
-				if (area.isInside(pointerIter)) {
-					activePath.path.append({ child.data(), {} });
-					newActive = true;
-					pointerIter -= child->getArea().pos;
-					break;
-				}
-			}
-		}
-
-		pointedWidget = activePath.path.last().widget;
+	if (mWidgetsToProcess.find(active) != mWidgetsToProcess.end()) {
+		RGBA color = { 1, 0, 0, 1};
+		canvas.frame(area, color);
+		canvas.text(active->mName.c_str(), area, 12, Canvas::Align::LC, 2, color);
 	}
 
-	// based on individual widget requirements
-	{
-		for (auto widget : mActiveWidgets) {
-			if (widget.data() == pointedWidget) continue;
-
-			ActivePath& activePath = activePaths->append(ActivePath{});
-
-			for (Widget* iter = widget.data(); iter; iter = iter->mParent) {
-				activePath.path.append({ iter, {} });
-			}
-
-			activePath.path.reverse();
-		}
+	if (active->mInFocus) {
+		RGBA color = { 1, 0, 0, 0.3f};
+		canvas.debugCross(area, color);
+		canvas.circle(pos + active->mLocalPoint, 5, active->mDebugColor);
+		canvas.circle(active->mGlobalPoint, 10, active->mDebugColor);
 	}
 
-	// update paths global pos
-	for (auto activePath : *activePaths) {
-		Vec2F iterPos = { 0, 0 };
-		for (auto activeWidget : activePath->path) {
-			iterPos += activeWidget->widget->getArea().pos;
-			activeWidget->globalPos = iterPos;
-		}
+	for (auto child : active->mChildren) {
+		drawDebug(canvas, child, pos + child->getArea().pos);
 	}
 }
 
@@ -106,50 +117,135 @@ void RootWidget::setWidgetArea(Widget& widget, const RectF& rect) {
 	widget.mArea.endAnimation();
 }
 
-void RootWidget::processPaths(const Buffer<ActivePath>& paths, EventHandler& events) {
-	EventHandler dummyEvents;
-	bool eventsHandled = false;
+void RootWidget::updateAnimations(ActiveTreeNode* iter) {
+	if (!iter) return;
+	iter->widget->updateAnimations();
+	for (auto child : iter->children) {
+		updateAnimations(child);
+	}
+}
 
-	for (auto path : paths) {
+void RootWidget::getWidgetPath(Widget* widget, std::vector<Widget*>& out) {
+	for (auto iter = widget; iter && iter != this; iter = iter->mParent) {
+		out.push_back(iter);
+	}
+}
 
-		for (alni widgetIdx = (alni) path->path.size() - 1; widgetIdx >= 0; widgetIdx--) {
-			auto activeWidgetNode = path->path[widgetIdx];
-			auto activeWidget = activeWidgetNode.widget;
+void RootWidget::handleFocusChanges(EventHandler& events) {
+	auto prevFocus = mInFocusWidget;
+	findFocusWidget(mRoot, &mInFocusWidget, events.getPointer());
 
-			activeWidget->mArea.updateCurrentRect();
+	if (prevFocus) {
+		std::vector<Widget*> path1;
+		std::vector<Widget*> path2;
 
-			events.setCursorOrigin(activeWidgetNode.globalPos);
+		getWidgetPath(prevFocus, path1);
+		getWidgetPath(mInFocusWidget, path2);
 
-			bool useEvents = !eventsHandled || activeWidget->mIsActive;
+		size_t iter = 0;
+		while (path1[iter] == path2[iter]) {
+			iter++;
+		}
 
-			if (!activeWidget->mProcessedFlag) {
-				activeWidget->process(useEvents ? events : dummyEvents);
-				activeWidget->mProcessedFlag = true;
-			}
+		for (auto i = iter; i < path1.size(); i++) {
+			path1[i]->mouseLeave();
+		}
 
-			eventsHandled = !activeWidget->isPassThroughEvents();
+		for (auto i = iter; i < path2.size(); i++) {
+			path2[i]->mouseEnter();
+		}
 
-			auto area = activeWidget->mArea.getCurrentRect();
-			activeWidget->updateArea(area);
-			activeWidget->setArea(area);
-
-			mNeedUpdate |= activeWidget->needUpdate();
-
-			if (!activeWidget->needUpdate()) activeWidget->finishAnimations();
-
-			if (activeWidget->mIsActive) {
-				if (mActiveWidgets.find(activeWidget) == -1) {
-					mActiveWidgets.append(activeWidget);
-				}
-			}
+	} else {
+		for (auto iter = mInFocusWidget; iter; iter = iter->mParent) {
+			iter->mouseEnter();
 		}
 	}
 }
 
-void RootWidget::clearProcessedFlag(const Buffer<ActivePath>& paths) {
-	for (auto path : paths) {
-		for (auto widget : path->path) {
-			widget->widget->mProcessedFlag = false;
+void RootWidget::findFocusWidget(Widget* iter, Widget** focus, const Vec2F& pointer) {
+	if (!iter->mArea.getTargetRect().isInside(pointer)) return;
+
+	*focus = iter;
+
+	for (auto child : iter->mChildren) {
+		findFocusWidget(child, focus, pointer - iter->mArea.getTargetRect().pos);
+	}
+}
+
+void RootWidget::updateWidget(Widget* widget) {
+	mTriggeredWidgets.insert(widget);
+}
+
+void RootWidget::adjustSizes(ActiveTreeNode* iter) {
+	if (!iter) return;
+
+	iter->widget->adjustRect();
+	iter->widget->adjustChildrenRect();
+
+	for (auto child : iter->children) {
+		adjustSizes(child);
+	}
+}
+
+void RootWidget::processActiveTree(ActiveTreeNode* iter, EventHandler& events) {
+	if (!iter) return;
+
+	if (!iter->widget->mInFocus) {
+		iter->widget->updateAnimations();
+		iter->widget->process(events);
+	}
+
+	for (auto child : iter->children) {
+		 processActiveTree(child, events);
+	}
+}
+
+void RootWidget::processFocusItems(EventHandler& events) {
+	if (!mInFocusWidget) return;
+
+	// FIXME : cringe
+
+	std::vector<Widget*> path;
+	getWidgetPath(mInFocusWidget, path);
+
+	for (auto i = 0; i < path.size() / 2; i++) {
+		swap(path[i], path[path.size() - i - 1]);
+	}
+
+	size_t len = path.size();
+	for (auto i = 0; i < len; i++) {
+		if (!path[i]->propagateEventsToChildren()) {
+			len = i + 1;
+			break;
+		}
+	}
+
+	std::vector<Vec2F> widgetGlobalPos(path.size());
+
+	widgetGlobalPos[0] = 0;
+	for (auto widget = 0; widget < path.size() - 1; widget++) {
+		widgetGlobalPos[widget + 1] = widgetGlobalPos[widget] + path[widget + 1]->getArea().pos;
+		path[widget]->mGlobalPoint = widgetGlobalPos[widget];
+	}
+
+	bool eventsProcessed = false;
+
+	for (int iter = (int) len - 1; iter >= 0; iter--) {
+		auto widget = path[iter];
+
+		events.setCursorOrigin(widgetGlobalPos[iter]);
+
+		if (!eventsProcessed && widget->processesEvents()) {
+			events.setEnableKeyEvents(true);
+
+			widget->updateAnimations();
+			widget->process(events);
+
+			events.setEnableKeyEvents(false);
+			eventsProcessed = true;
+		} else {
+			widget->updateAnimations();
+			widget->process(events);
 		}
 	}
 }

WidgetsNew/private/SimpleWidgets.cpp

@@ -15,11 +15,15 @@ void LabelWidget::draw(Canvas& canvas) {
 	canvas.text(mText.c_str(), getRelativeArea(), mSize, Canvas::LC, mPadding, mColor);
 }
 
-
 ButtonWidget::ButtonWidget() {
 	mAction = []() {
 		printf("Button Pressed!\n");
 	};
+
+	setDebug("button", { 0.1, 0.1, 0.7, 0.7 });
+
+	mColorAnimated.setTargetColor(mColor);
+	mColorAnimated.endAnimation();
 }
 
 void ButtonWidget::setAction(const std::function<void()>& action) {
@@ -27,19 +31,11 @@ void ButtonWidget::setAction(const std::function<void()>& action) {
 }
 
 void ButtonWidget::process(const EventHandler& eventHandler) {
-	if (getRelativeArea().isInside(eventHandler.getPointer())) {
+	if (getArea().isInside(eventHandler.getPointer())) {
 		if (eventHandler.isPressed(InputID::MOUSE1)) {
 			mAction();
 		}
-
-		mColorAnimated.setTargetColor(mColor);
-	} else {
-		mColorAnimated.setTargetColor(mColorHovered);
 	}
-
-	mColorAnimated.updateCurrentRect();
-
-	setActive(needUpdate());
 }
 
 void ButtonWidget::draw(Canvas& canvas) {
@@ -47,10 +43,31 @@ void ButtonWidget::draw(Canvas& canvas) {
 	LabelWidget::draw(canvas);
 }
 
-bool ButtonWidget::needUpdate() const {
-	return !mColorAnimated.checkAnimationShouldEnd();
+bool ButtonWidget::needsNextFrame() const {
+	return LabelWidget::needsNextFrame() || !mColorAnimated.shouldEndTransition();
 }
 
-void ButtonWidget::finishAnimations() {
+void ButtonWidget::endAnimations() {
 	mColorAnimated.endAnimation();
-}
+	LabelWidget::endAnimations();
+}
+
+void ButtonWidget::updateAnimations() {
+	mColorAnimated.updateCurrentRect();
+	LabelWidget::updateAnimations();
+}
+
+void ButtonWidget::mouseEnter() {
+	mColorAnimated.setTargetColor(mColor);
+	mColorAnimated.endAnimation();
+
+	mColorAnimated.setTargetColor(mColorHovered);
+	mColorAnimated.updateCurrentRect();
+	triggerWidgetUpdate();
+}
+
+void ButtonWidget::mouseLeave() {
+	mColorAnimated.setTargetColor(mColor);
+	mColorAnimated.updateCurrentRect();
+	triggerWidgetUpdate();
+}

WidgetsNew/private/Widget.cpp

@@ -2,6 +2,20 @@
 
 using namespace tp;
 
+WidgetManagerInterface* Widget::getRoot() {
+	Widget* iter = mParent;
+	while (iter && iter->mParent) {
+		iter = iter->mParent;
+	}
+	return dynamic_cast<WidgetManagerInterface*>(iter);
+}
+
+void Widget::triggerWidgetUpdate() {
+	if (auto root = getRoot()) {
+		root->updateWidget(this);
+	}
+}
+
 Widget::Widget() {
 	mArea.setTargetRect({ 10, 10, 100, 40, });
 	mArea.endAnimation();
@@ -9,10 +23,10 @@ Widget::Widget() {
 
 void Widget::setArea(const RectF& area) {
 	mArea.setTargetRect(area);
-}
 
-void Widget::draw(Canvas& canvas) {
-	canvas.rect(mArea.getCurrentRect(), RGBA(1.f), 10);
+	if (!mArea.shouldEndTransition()) {
+		triggerWidgetUpdate();
+	}
 }
 
 RectF Widget::getArea() const {
@@ -23,28 +37,47 @@ RectF Widget::getRelativeArea() const {
 	return { {}, mArea.getCurrentRect().size };
 }
 
-void Widget::setActive(bool active) {
-	mIsActive = active;
-}
-
-void Widget::addChild(Widget* widget) {
-	if (widget->mParent) {
-		widget->mParent->removeChild(widget);
-	}
-	mChildWidgets.pushBack(widget);
-	widget->mParent = this;
-}
-
-void Widget::removeChild(Widget* widget) {
-	auto node = mChildWidgets.find(widget);
-	node->data->mParent = nullptr;
-	mChildWidgets.removeNode(node);
-}
-
-bool Widget::needUpdate() const {
-	return !mArea.checkAnimationShouldEnd();
-}
-
-void Widget::finishAnimations() {
+void Widget::endAnimations() {
 	mArea.endAnimation();
+}
+
+bool Widget::processesEvents() const {
+	return true;
+}
+
+void Widget::updateAnimations() {
+	mArea.updateCurrentRect();
+}
+
+bool Widget::needsNextFrame() const {
+	return !mArea.shouldEndTransition() || mInFocus;
+}
+
+void Widget::adjustRect() {
+	if (mChildren.empty()) return;
+
+	auto area = (*mChildren.begin())->getArea();
+	for (auto widget : mChildren) {
+		area.expand(widget->getArea());
+	}
+}
+
+void Widget::adjustChildrenRect()  {
+	auto area = RectF({}, getArea().size);
+	for (auto widget : mChildren) {
+		widget->setArea(area);
+	}
+}
+
+void Widget::mouseEnter() {
+	mInFocus = true;
+	triggerWidgetUpdate();
+}
+
+void Widget::mouseLeave() {
+	mInFocus = false;
+}
+
+bool Widget::propagateEventsToChildren() const {
+	return true;
 }

WidgetsNew/public/AnimationTestWidget.hpp

@@ -12,9 +12,9 @@ namespace tp {
 		void draw(Canvas& canvas) override;
 		void process(const EventHandler& events) override;
 
-		[[nodiscard]] bool needUpdate() const override;
+		[[nodiscard]] bool needsNextFrame() const override;
 
 	private:
-		SpringRect mTestSpring;
+		mutable SpringRect mTestSpring;
 	};
 }

WidgetsNew/public/FloatingWidget.hpp

@@ -1,22 +1,61 @@
 #pragma once
 
-#include "Widget.hpp"
+#include "SimpleWidgets.hpp"
+#include "LayoutWidget.hpp"
 
 namespace tp {
 	class FloatingWidget : public Widget {
 	public:
-		FloatingWidget() = default;
+		FloatingWidget() {
+			setDebug("float", { 0.0, 0.9, 0.1, 0.7 });
+		}
 
 		void process(const EventHandler& events) override;
 
-		void updateArea(RectF& area) const override;
+		void adjustRect() override;
 
 		void draw(Canvas& canvas) override;
 
+		RectF resizeHandleRect();
+
+		bool propagateEventsToChildren() const override;
+
 	private:
 		bool mIsFloating = false;
+		bool mIsResizing = false;
+
+		halnf mHandleSize = 10;
+		halnf mHandlePadding = 2;
 
 		Vec2F mPointerStart;
 		Vec2F mPointerCurrent;
 	};
+
+	class FloatingMenu : public FloatingWidget {
+	public:
+		FloatingMenu() {
+			setDebug("float menu", { 0.0, 0.9, 0.1, 0.7 });
+
+			addChild(&mMenuLayout);
+
+			mMenuLayout.addChild(&mHeader);
+			mMenuLayout.addChild(&mBodyLayout);
+
+			addToMenu(&mTestButton);
+
+			mHeader.setText("Menu");
+		}
+
+	public:
+		void addToMenu(Widget* widget) {
+			mBodyLayout.addChild(widget);
+		}
+
+	private:
+		VerticalLayout mMenuLayout;
+		VerticalLayout mBodyLayout;
+		LabelWidget mHeader;
+
+		ButtonWidget mTestButton;
+	};
 }

WidgetsNew/public/LayoutWidget.hpp

@@ -0,0 +1,56 @@
+#pragma once
+
+#include "Widget.hpp"
+
+namespace tp {
+	class DesktopLayout : public Widget {
+	public:
+		DesktopLayout() { setDebug("desktop layout", { 0, 0, 0.9, 0.9 }); }
+
+		void draw(Canvas& canvas) override {
+			// canvas.rect(getRelativeArea(), RGBA(0, 0, 0, 1));
+		}
+
+		void adjustRect() override {
+			// do nothing
+		}
+
+		void adjustChildrenRect() override {
+			// todo : adjust by viewport pos
+		}
+
+		[[nodiscard]] bool processesEvents() const override { return false; }
+	};
+
+
+	class VerticalLayout : public Widget {
+	public:
+		VerticalLayout() {
+			setDebug("vertical", { 0.8, 0.1, 0.1, 0.9 });
+		}
+
+		void draw(Canvas& canvas) override {
+			// canvas.frame(getRelativeArea(), RGBA(1));
+		}
+
+		void adjustChildrenRect() override {
+			auto content = &mChildren;
+			auto area = getRelativeArea();
+
+			auto iterRect = area.shrink(mPadding);
+			iterRect.height = ((iterRect.height + mGap) / (float) content->size()) - mGap;
+
+			for (auto widget :(*content)) {
+				widget->setArea(iterRect);
+				iterRect.y += iterRect.height + mGap;
+			}
+		}
+
+		[[nodiscard]] bool processesEvents() const override { return false; }
+
+	private:
+		halnf mGap = 10;
+		halnf mPadding = 10;
+	};
+
+}

WidgetsNew/public/RootWidget.hpp

@@ -2,46 +2,54 @@
 
 #include "Widget.hpp"
 
+#include <map>
+#include <vector>
+#include <set>
+
 namespace tp {
-	class RootWidget {
+	class RootWidget : public WidgetManagerInterface {
 
-		// path from leaf to root of widgets that need to be updated
-		struct ActivePath {
-			struct ActiveNode {
-				Widget* widget = nullptr;
-				Vec2F globalPos;
-			};
-
-			Buffer<ActiveNode> path;
+		struct ActiveTreeNode {
+			ActiveTreeNode* parent = nullptr;
+			std::set<ActiveTreeNode*> children;
+			Widget* widget = nullptr;
 		};
 
-
 	public:
-		RootWidget() = default;
+		RootWidget() { setDebug("root", RGBA(1)); }
 
 		void setRootWidget(Widget* widget);
+		void updateWidget(Widget*);
 
+		static void setWidgetArea(Widget& widget, const RectF& rect);
+
+	public:
 		void processFrame(EventHandler* events, const RectF& screenArea);
 		void drawFrame(Canvas& canvas);
 
 		[[nodiscard]] bool needsUpdate() const;
 
-		static void setWidgetArea(Widget& widget, const RectF& rect);
-
 	private:
-		void updateActivePaths(Buffer<ActivePath>* activePaths, const Vec2F& pointer);
+		void updateTreeToProcess();
+		void updateAnimations(ActiveTreeNode* iter);
 		void drawRecursion(Canvas& canvas, Widget* active, const Vec2F& pos);
-
-		void processPaths(const Buffer<ActivePath>& path, EventHandler& events);
-		void clearProcessedFlag(const Buffer<ActivePath>& paths);
+		void drawDebug(Canvas& canvas, Widget* active, const Vec2F& pos);
+		void findFocusWidget(Widget* iter, Widget** focus, const Vec2F& pointer);
+		void handleFocusChanges(EventHandler& events);
+		void getWidgetPath(Widget* widget, std::vector<Widget*>& out);
+		void processActiveTree(ActiveTreeNode* iter, EventHandler& events);
+		void processFocusItems(EventHandler& events);
+		void adjustSizes(ActiveTreeNode* iter);
 
 	private:
+		RectF mScreenArea;
 		Widget* mRoot = nullptr;
 
-		Buffer<Widget*> mActiveWidgets;
-		Buffer<ActivePath> mActivePaths[2]; // current and prev
-		bool mFlipFlop = false;
+		// frame to frame changes
+		std::set<Widget*> mTriggeredWidgets;
+		std::map<Widget*, ActiveTreeNode> mWidgetsToProcess;
+		Widget* mInFocusWidget = nullptr;
 
-		bool mNeedUpdate = false;
+		bool mDebug = false;
 	};
 }

WidgetsNew/public/SimpleWidgets.hpp

@@ -7,14 +7,17 @@
 namespace tp {
 	class LabelWidget : public Widget {
 	public:
-		LabelWidget() = default;
+		LabelWidget() {
+			setDebug("label", { 0.1, 0.1, 0.1, 0.1 });
+		}
 
 		void setText(const std::string& text);
+
 		[[nodiscard]] const std::string& getText() const;
 
 		void draw(Canvas& canvas) override;
 
-		[[nodiscard]] bool isPassThroughEvents() const override { return true; }
+		[[nodiscard]] bool processesEvents() const override { return false; }
 
 	private:
 		std::string mText = "Text";
@@ -33,11 +36,14 @@ namespace tp {
 		void process(const EventHandler& eventHandler) override;
 		void draw(Canvas& canvas) override;
 
-		[[nodiscard]] bool isPassThroughEvents() const override { return false; }
+		void mouseEnter() override;
+		void mouseLeave() override;
 
-		[[nodiscard]] bool needUpdate() const override;
+		[[nodiscard]] bool processesEvents() const override { return true; }
+		[[nodiscard]] bool needsNextFrame() const override;
 
-		void finishAnimations() override;
+		void endAnimations() override;
+		void updateAnimations() override;
 
 	private:
 		std::function<void()> mAction;
@@ -45,7 +51,7 @@ namespace tp {
 		SpringRect mColorAnimated;
 
 		halnf mRounding = 5;
-		RGBA mColor = { 1.0f, 0.0f, 0.0f, 1.f };
-		RGBA mColorHovered = { 0.0f, 0.0f, 0.0f, 1.f };
+		RGBA mColorHovered = { 0.0f, 0.4f, 0.4f, 1.f };
+		RGBA mColor = { 0.0f, 0.0f, 0.0f, 1.f };
 	};
 }

WidgetsNew/public/SpringAnimations.hpp

@@ -139,7 +139,7 @@ namespace tp {
 			mEndPos.updateCurrentPosition();
 		}
 
-		[[nodiscard]] bool checkAnimationShouldEnd() const {
+		[[nodiscard]] bool shouldEndTransition() const {
 			return mStartPos.checkAnimationShouldEnd() && mEndPos.checkAnimationShouldEnd();
 		}
 

WidgetsNew/public/Widget.hpp

@@ -5,7 +5,11 @@
 #include "EventHandler.hpp"
 #include "Graphics.hpp"
 
+#include <vector>
+
 namespace tp {
+	class WidgetManagerInterface;
+
 	class Widget {
 		friend class RootWidget;
 
@@ -13,41 +17,68 @@ namespace tp {
 		Widget();
 		virtual ~Widget() = default;
 
-		virtual void process(const EventHandler& events) {}
-		virtual void updateArea(RectF& area) const {}
+		void setDebug(const char* name, RGBA col) {
+			mName = name;
+			mDebugColor = col;
+		}
 
-		virtual void draw(Canvas& canvas);
-		virtual void drawOverlay(Canvas& canvas) {}
+		void addChild(Widget* child) {
+			mChildren.push_back(child);
+			child->mParent = this;
 
-		virtual bool isPassThroughEvents() const { return false; }
+			triggerWidgetUpdate();
+			child->triggerWidgetUpdate();
+		}
 
-		[[nodiscard]] virtual bool needUpdate() const;
+		WidgetManagerInterface* getRoot();
 
-		virtual void finishAnimations();
+		void triggerWidgetUpdate();
 
 	public:
-		[[nodiscard]] RectF getRelativeArea() const;
-		void setActive(bool active);
+		virtual void process(const EventHandler& events) {}
+		virtual void draw(Canvas& canvas) { canvas.rect(mArea.getCurrentRect(), RGBA(1.f), 10); }
+		virtual void drawOverlay(Canvas& canvas) {}
 
-		void addChild(Widget* widget);
+		virtual void mouseEnter();
+		virtual void mouseLeave();
 
-	private:
+		// size policies
+		virtual void adjustRect();
+		virtual void adjustChildrenRect();
+
+		[[nodiscard]] virtual bool processesEvents() const;
+		[[nodiscard]] virtual bool propagateEventsToChildren() const;
+
+		[[nodiscard]] virtual bool needsNextFrame() const;
+
+		virtual void endAnimations();
+		virtual void updateAnimations();
+
+	public:
 		[[nodiscard]] RectF getArea() const;
+		[[nodiscard]] RectF getRelativeArea() const;
 		void setArea(const RectF& area);
-		void removeChild(Widget* widget);
 
-	private:
+	protected:
+		Widget* mParent = nullptr;
+
+		std::vector<Widget*> mChildren;
+
 		// relative to the parent
 		SpringRect mArea;
 
-		// tree structure of widgets
-		List<Widget*> mChildWidgets;
+		ualni mZValue = 0;
 
-		// if needed updates even though pointer is not in area
-		bool mIsActive = false;
+		bool mInFocus = false;
 
-		Widget* mParent = nullptr;
+		// debug
+		std::string mName = "widget base";
+		Vec2F mLocalPoint;
+		Vec2F mGlobalPoint;
+		RGBA mDebugColor = { 1, 1, 1, 0.3 };
+	};
 
-		bool mProcessedFlag = false;
+	struct WidgetManagerInterface : public Widget {
+		virtual void updateWidget(Widget*) = 0;
 	};
 }