Nicer defaults for Window closing, Implement these with Sign tool, issue #51. Also set centre as default

src/game/SignTool.cpp

@@ -20,6 +20,7 @@ public:
 	SignWindow(SignTool * tool_, Simulation * sim_, int signID_, ui::Point position_);
 	virtual void OnDraw();
 	virtual ~SignWindow() {}
+	virtual void OnTryExit(ui::Window::ExitMethod method);
 	class OkayAction: public ui::ButtonAction
 	{
 	public:
@@ -75,6 +76,7 @@ SignWindow::SignWindow(SignTool * tool_, Simulation * sim_, int signID_, ui::Poi
 	okayButton->Appearance.BorderInactive = (ui::Colour(200, 200, 200));
 	okayButton->SetActionCallback(new OkayAction(this));
 	AddComponent(okayButton);
+	SetOkayButton(okayButton);
 	
 	ui::Label * tempLabel = new ui::Label(ui::Point(8, 48), ui::Point(40, 15), "Justify:");
 	okayButton->Appearance.HorizontalAlign = ui::Appearance::AlignLeft;
@@ -86,7 +88,7 @@ SignWindow::SignWindow(SignTool * tool_, Simulation * sim_, int signID_, ui::Poi
 	justification->AddOption(std::pair<std::string, int>("\x9D Left", (int)sign::Left));
 	justification->AddOption(std::pair<std::string, int>("\x9E Centre", (int)sign::Centre));
 	justification->AddOption(std::pair<std::string, int>("\x9F Right", (int)sign::Right));
-	justification->SetOption(0);
+	justification->SetOption(1);
 	justification->Appearance.HorizontalAlign = ui::Appearance::AlignLeft;
 	
 	textField = new ui::Textbox(ui::Point(8, 25), ui::Point(Size.X-16, 17), "");
@@ -110,6 +112,13 @@ SignWindow::SignWindow(SignTool * tool_, Simulation * sim_, int signID_, ui::Poi
 
 	ui::Engine::Ref().ShowWindow(this);
 }
+
+void SignWindow::OnTryExit(ui::Window::ExitMethod method)
+{
+	ui::Engine::Ref().CloseWindow();
+	SelfDestruct();
+}
+
 void SignWindow::OnDraw()
 {
 	Graphics * g = ui::Engine::Ref().g;

src/interface/Window.cpp

@@ -2,6 +2,7 @@
 #include "Window.h"
 #include "Component.h"
 #include "interface/Point.h"
+#include "interface/Button.h"
 
 using namespace ui;
 
@@ -11,7 +12,9 @@ Window::Window(Point _position, Point _size):
 	focusedComponent_(NULL),
 	AllowExclusiveDrawing(true),
 	halt(false),
-	destruct(false)
+	destruct(false),
+	cancelButton(NULL),
+	okayButton(NULL)
 #ifdef DEBUG
 	,debugMode(false)
 #endif
@@ -75,6 +78,18 @@ void Window::RemoveComponent(Component* c)
 	}
 }
 
+void Window::OnTryExit(ExitMethod method)
+{
+	if(cancelButton)
+		cancelButton->DoAction();
+}
+
+void Window::OnTryOkay(OkayMethod method)
+{
+	if(okayButton)
+		okayButton->DoAction();
+}
+
 void Window::RemoveComponent(unsigned idx)
 {
 	halt = true;
@@ -273,6 +288,13 @@ void Window::DoKeyPress(int key, Uint16 character, bool shift, bool ctrl, bool a
 	}
 
 	OnKeyPress(key, character, shift, ctrl, alt);
+	
+	if(key == KEY_ESCAPE)
+		OnTryExit(Escape);
+
+	if(key == KEY_ENTER || key == KEY_RETURN)
+		OnTryOkay(Enter);
+
 	if(destruct)
 		finalise();
 }
@@ -334,6 +356,10 @@ void Window::DoMouseDown(int x_, int y_, unsigned button)
 	}
 
 	OnMouseDown(x_, y_, button);
+
+	if(x_ < Position.X || y_ < Position.Y || x_ > Position.X+Size.X || y_ > Position.Y+Size.Y)
+		OnTryExit(MouseOutside);
+
 	if(destruct)
 		finalise();
 }

src/interface/Window.h

@@ -15,6 +15,7 @@ enum ChromeStyle
 //class State;
 	class Engine;
 	class Component;
+	class Button;
 
 	/* class State
 	 *
@@ -29,6 +30,9 @@ enum ChromeStyle
 		Window(Point _position, Point _size);
 		virtual ~Window();
 
+		void SetOkayButton(ui::Button * button) { okayButton = button; }
+		void SetCancelButton(ui::Button * button) { cancelButton = button; }
+
 		bool AllowExclusiveDrawing; //false will not call draw on objects outside of bounds
 
 		// Add Component to state
@@ -70,7 +74,13 @@ enum ChromeStyle
 
 		void* UserData;
 
+		enum OkayMethod { Enter, OkayButton };
+		enum ExitMethod { MouseOutside, Escape, ExitButton };
+
 	protected:
+		ui::Button * okayButton;
+		ui::Button * cancelButton;
+
 		virtual void OnInitialized() {}
 		virtual void OnExit() {}
 		virtual void OnTick(float dt) {}
@@ -78,6 +88,9 @@ enum ChromeStyle
 		virtual void OnFocus() {}
 		virtual void OnBlur() {}
 
+		virtual void OnTryExit(ExitMethod); 
+		virtual void OnTryOkay(OkayMethod);
+
 		virtual void OnMouseMove(int x, int y, int dx, int dy) {}
 		virtual void OnMouseDown(int x, int y, unsigned button) {}
 		virtual void OnMouseUp(int x, int y, unsigned button) {}