From afd1d88d64eab7bcad7cb2d84a502b4e71ceff66 Mon Sep 17 00:00:00 2001
From: sigonasr2 <sigonasr2@gmail.com>
Date: Sat, 5 Aug 2023 23:31:35 -0500
Subject: [PATCH] Ability to drag windows around.

---
 FiestaOnlineEditor/FiestaOnlineEditor.cpp | 18 +++++++++++++++
 FiestaOnlineEditor/ItemEditor.cpp         |  4 ++++
 FiestaOnlineEditor/ItemEditor.h           |  1 +
 FiestaOnlineEditor/Window.cpp             | 28 ++++++++++++++++++++++-
 FiestaOnlineEditor/Window.h               |  5 ++++
 5 files changed, 55 insertions(+), 1 deletion(-)

diff --git a/FiestaOnlineEditor/FiestaOnlineEditor.cpp b/FiestaOnlineEditor/FiestaOnlineEditor.cpp
index 818da9a..4bb050b 100644
--- a/FiestaOnlineEditor/FiestaOnlineEditor.cpp
+++ b/FiestaOnlineEditor/FiestaOnlineEditor.cpp
@@ -132,16 +132,34 @@ bool FiestaOnlineEditor::OnUserUpdate(float fElapsedTime){
 	SetDrawTarget(1);
 	//BACKGROUND DRAWING
 
+	bool internalMouseFocus=false;
+
 	for(Window*w:windows){
 		if(!w->IsFocusedWindow()){
 			SetDrawTarget(1);
 		} else {
 			SetDrawTarget(nullptr);
+			if(w->IsInBounds(GetMousePos())){
+				w->InternalMouseFocus(this);
+				w->MouseFocus(this);
+				internalMouseFocus=true;
+			}
 		}
 		w->InternalUpdate(this,fElapsedTime);
 		w->Draw(this);
 	}
 
+	if(!internalMouseFocus){
+		for(Window*w:windows){ //A second iteration through the windows because windows without focus should only have priority after a window with focus.
+			if(!w->IsFocusedWindow()){
+				if(w->IsInBounds(GetMousePos())){
+					w->InternalMouseFocus(this);
+					w->MouseFocus(this);
+				}
+			}
+		}
+	}
+
 	SetDrawTarget(nullptr);
 	//FOREGROUND DRAWING
 	manager.Draw(sprMenu,{64,64});
diff --git a/FiestaOnlineEditor/ItemEditor.cpp b/FiestaOnlineEditor/ItemEditor.cpp
index 8e2380e..9f4ff0c 100644
--- a/FiestaOnlineEditor/ItemEditor.cpp
+++ b/FiestaOnlineEditor/ItemEditor.cpp
@@ -32,4 +32,8 @@ void ItemEditor::Update(FiestaOnlineEditor*pge,float fElapsedTime){
 
 void ItemEditor::Refresh(FiestaOnlineEditor*pge){
 	pge->DrawRect(pos,{16,16},WHITE);
+}
+
+void ItemEditor::MouseFocus(FiestaOnlineEditor*pge){
+	
 }
\ No newline at end of file
diff --git a/FiestaOnlineEditor/ItemEditor.h b/FiestaOnlineEditor/ItemEditor.h
index 2d137d4..27feff2 100644
--- a/FiestaOnlineEditor/ItemEditor.h
+++ b/FiestaOnlineEditor/ItemEditor.h
@@ -13,4 +13,5 @@ public:
 	void Load(std::string basePath);
 	void Refresh(FiestaOnlineEditor*pge)override;
 	void Update(FiestaOnlineEditor*pge,float fElapsedTime)override;
+	void MouseFocus(FiestaOnlineEditor*pge)override;
 };
\ No newline at end of file
diff --git a/FiestaOnlineEditor/Window.cpp b/FiestaOnlineEditor/Window.cpp
index 4e2ba89..3a52f92 100644
--- a/FiestaOnlineEditor/Window.cpp
+++ b/FiestaOnlineEditor/Window.cpp
@@ -14,6 +14,9 @@ void Window::InternalUpdate(FiestaOnlineEditor*pge,float fElapsedTime){
 	if(this==focusedWindow){
 		Update(pge,fElapsedTime);
 	}
+	if(dragging){
+		pos=pge->GetMousePos()-dragPoint;
+	}
 }
 
 void Window::InternalRefresh(FiestaOnlineEditor*pge){
@@ -54,4 +57,27 @@ void Window::Draw(FiestaOnlineEditor*pge){
 void Window::Cleanup(){
 	delete sprWindow;
 	delete decWindow;
-}
\ No newline at end of file
+}
+
+bool Window::IsInBounds(vf2d point){
+	return point.x>=pos.x&&point.x<=pos.x+size.x&&point.y>=pos.y&&point.y<=pos.y+size.y+headerHeight;
+}
+
+void Window::InternalMouseFocus(FiestaOnlineEditor*pge){
+	if(pge->GetMouse(0).bPressed){
+		if(pge->GetMouseY()<pos.y+headerHeight){
+			dragging=true;
+			dragPoint=pge->GetMousePos()-pos;
+		}
+		if(focusedWindow!=this){
+			Window*prevFocusedWindow=focusedWindow;
+			focusedWindow=this;
+			InternalRefresh(pge);
+			prevFocusedWindow->InternalRefresh(pge);
+		}
+	}
+	if(pge->GetMouse(0).bReleased){
+		dragging=false;
+	}
+}
+void Window::MouseFocus(FiestaOnlineEditor*pge){}
\ No newline at end of file
diff --git a/FiestaOnlineEditor/Window.h b/FiestaOnlineEditor/Window.h
index abc39da..2afbdf8 100644
--- a/FiestaOnlineEditor/Window.h
+++ b/FiestaOnlineEditor/Window.h
@@ -8,6 +8,8 @@ private:
 	vi2d pos;
 	Decal*decWindow;
 	const int headerHeight=12;
+	bool dragging=false;
+	vf2d dragPoint;
 protected:
 	vi2d size;
 	Sprite*sprWindow;
@@ -22,4 +24,7 @@ public:
 	void Draw(FiestaOnlineEditor*pge);
 	bool IsFocusedWindow();
 	void Cleanup();
+	bool IsInBounds(vf2d point);
+	void InternalMouseFocus(FiestaOnlineEditor*pge);
+	virtual void MouseFocus(FiestaOnlineEditor*pge);
 };
\ No newline at end of file