From 9cc48195242fa856b58c9fbf7669ee90e1a54ce2 Mon Sep 17 00:00:00 2001
From: IlyaShurupov <ilusha@workspace.com>
Date: Tue, 25 Jun 2024 18:34:38 +0300
Subject: [PATCH] dockspce widget initial

---
 Containers/public/List.hpp          |  1 +
 Widgets/examples/SimpleGUI.hpp      | 17 +++++++++++----
 Widgets/private/DockspaceWidget.cpp | 34 +++++++++++++++++++++++++++++
 Widgets/private/FloatingWidget.cpp  |  4 ++--
 Widgets/private/WidgetBase.cpp      | 13 ++++++-----
 Widgets/public/DockspaceWidget.hpp  | 11 ++++++++++
 Widgets/public/WidgetBase.hpp       |  1 +
 Widgets/public/Widgets.hpp          |  3 ++-
 8 files changed, 72 insertions(+), 12 deletions(-)
 create mode 100644 Widgets/private/DockspaceWidget.cpp
 create mode 100644 Widgets/public/DockspaceWidget.hpp

diff --git a/Containers/public/List.hpp b/Containers/public/List.hpp
index c1fe3d3..fafad37 100644
--- a/Containers/public/List.hpp
+++ b/Containers/public/List.hpp
@@ -110,6 +110,7 @@ namespace tp {
 		}
 
 		void attach(Node* node, Node* node_to) {
+			node->next = node->prev = nullptr;
 			if (node_to) {
 				if (node_to->next) {
 					node->next = node_to->next;
diff --git a/Widgets/examples/SimpleGUI.hpp b/Widgets/examples/SimpleGUI.hpp
index 50f1b84..636a53a 100644
--- a/Widgets/examples/SimpleGUI.hpp
+++ b/Widgets/examples/SimpleGUI.hpp
@@ -23,15 +23,21 @@ namespace tp {
 		NamedSliderWidget mSlider;
 	};
 
-	class SimpleWidget2 : public Widget {
+	class SimpleWidget2 : public DockSpaceWidget {
 	public:
 		SimpleWidget2() {
 			this->mChildWidgets.pushBack(&mFloating);
 			mFloating.addWidgetToMenu(&mWidget);
-			mFloating.addWidgetToMenu(&mWidget2);
 
-			// this->mChildWidgets.pushBack(&mFloating2);
-			// mFloating2.addWidgetToMenu(&mWidget2);
+			this->mChildWidgets.pushBack(&mFloating2);
+			mFloating2.addWidgetToMenu(&mWidget2);
+
+			mFloating2.mArea = { 200, 100, 100, 100 };
+
+			this->mChildWidgets.pushBack(&mFloating3);
+			mFloating3.addWidgetToMenu(&mWidget3);
+
+			mFloating3.mArea = { 400, 100, 100, 100 };
 		}
 
 	private:
@@ -40,5 +46,8 @@ namespace tp {
 
 		FloatingWidget mFloating2;
 		SimpleWidget mWidget2;
+
+		FloatingWidget mFloating3;
+		SimpleWidget mWidget3;
 	};
 }
\ No newline at end of file
diff --git a/Widgets/private/DockspaceWidget.cpp b/Widgets/private/DockspaceWidget.cpp
new file mode 100644
index 0000000..25619c9
--- /dev/null
+++ b/Widgets/private/DockspaceWidget.cpp
@@ -0,0 +1,34 @@
+#include "DockspaceWidget.hpp"
+
+using namespace tp;
+
+void DockSpaceWidget::eventProcess(const tp::Events& events) {
+
+	if (this->mChildWidgets.size() > 1 && events.isPressed(InputID::MOUSE1)) {
+
+		Widget* activeChild = nullptr;
+
+		for (auto childNode = this->mChildWidgets.firstNode(); childNode; childNode = childNode->next) {
+			auto child = childNode->data;
+			if (child->mArea.isInside(events.getPointer())) {
+
+				mChildWidgets.detach(childNode);
+				mChildWidgets.pushFront(childNode);
+
+				child->mHandlesEvents = true;
+				activeChild = child;
+				break;
+			}
+		}
+
+		if (activeChild) {
+			for (auto child : this->mChildWidgets) {
+				if (activeChild != child.data()) child->mHandlesEvents = false;
+			}
+		}
+	}
+}
+
+void DockSpaceWidget::eventDraw(Canvas& canvas) {
+	canvas.rect(this->mArea, RGBA(0, 0, 0, 1), 0);
+}
diff --git a/Widgets/private/FloatingWidget.cpp b/Widgets/private/FloatingWidget.cpp
index 9510d2b..8adc986 100644
--- a/Widgets/private/FloatingWidget.cpp
+++ b/Widgets/private/FloatingWidget.cpp
@@ -9,11 +9,11 @@ FloatingWidget::FloatingWidget() {
 }
 
 void FloatingWidget::eventProcess(const Events& events) {
+	mActionStartRelativePos = events.getPointerPrev() - this->mArea.pos;
+
 	checkFloating(events);
 	checkResizing(events);
 
-	mActionStartRelativePos = events.getPointer() - this->mArea.pos;
-
 	CollapsableMenu::eventProcess(events);
 }
 
diff --git a/Widgets/private/WidgetBase.cpp b/Widgets/private/WidgetBase.cpp
index 620ff50..59db281 100644
--- a/Widgets/private/WidgetBase.cpp
+++ b/Widgets/private/WidgetBase.cpp
@@ -17,10 +17,13 @@ void Widget::procWrapper(const Events& events, const RectF& parentArea) {
 
 	checkClicked(events);
 
-	eventProcess(events);
+	if (mHandlesEvents) {
 
-	for (auto child : mChildWidgets) {
-		child->procWrapper(events, getArea());
+		eventProcess(events);
+
+		for (auto child : mChildWidgets) {
+			child->procWrapper(events, getArea());
+		}
 	}
 }
 
@@ -31,8 +34,8 @@ void Widget::drawWrapper(Canvas& canvas) {
 
 	// draw child widgets
 	canvas.pushClamp(this->mArea);
-	for (auto child : mChildWidgets) {
-		child->drawWrapper(canvas);
+	for (auto child = mChildWidgets.lastNode(); child; child = child->prev) {
+		child->data->drawWrapper(canvas);
 	}
 	canvas.popClamp();
 }
diff --git a/Widgets/public/DockspaceWidget.hpp b/Widgets/public/DockspaceWidget.hpp
new file mode 100644
index 0000000..bc152e3
--- /dev/null
+++ b/Widgets/public/DockspaceWidget.hpp
@@ -0,0 +1,11 @@
+#include "FloatingWidget.hpp"
+
+namespace tp {
+	class DockSpaceWidget : public Widget {
+	public:
+		DockSpaceWidget() = default;
+
+		void eventProcess(const Events& events) override;
+		void eventDraw(Canvas& canvas) override;
+	};
+}
\ No newline at end of file
diff --git a/Widgets/public/WidgetBase.hpp b/Widgets/public/WidgetBase.hpp
index f7bcda9..2e3d7af 100644
--- a/Widgets/public/WidgetBase.hpp
+++ b/Widgets/public/WidgetBase.hpp
@@ -57,6 +57,7 @@ namespace tp {
 
 		bool mVisible = false;
 		bool mEnable = true;
+		bool mHandlesEvents = true;
 		bool mInFocus = false;
 
 		bool mHolding = false;
diff --git a/Widgets/public/Widgets.hpp b/Widgets/public/Widgets.hpp
index 7fa4b09..4de32ca 100644
--- a/Widgets/public/Widgets.hpp
+++ b/Widgets/public/Widgets.hpp
@@ -8,4 +8,5 @@
 #include "SliderWidget.hpp"
 #include "CollapsableMenu.hpp"
 #include "FloatingWidget.hpp"
-#include "Animations.hpp"
\ No newline at end of file
+#include "Animations.hpp"
+#include "DockspaceWidget.hpp"