1 files changed, 197 insertions, 0 deletions
diff --git a/src/gui/interface/DropDown.cpp b/src/gui/interface/DropDown.cpp
new file mode 100644
index 0000000..f1dda7c
--- /dev/null
+++ b/src/gui/interface/DropDown.cpp
@@ -0,0 +1,197 @@
+#include <iostream>
+#include "gui/Style.h"
+#include "Button.h"
+#include "DropDown.h"
+
+namespace ui {
+
+class ItemSelectedAction;
+class DropDownWindow: public ui::Window {
+	friend class ItemSelectedAction;
+	Appearance appearance;
+	DropDown * dropDown;
+	std::vector<Button> buttons;
+	bool isMouseInside;
+public:
+	class ItemSelectedAction: public ButtonAction
+	{
+		DropDownWindow * window;
+		std::string option;
+	public:
+		ItemSelectedAction(DropDownWindow * window, std::string option): window(window), option(option) { }
+		virtual void ActionCallback(ui::Button *sender)
+		{
+			ui::Engine::Ref().CloseWindow();
+			window->setOption(option);
+			window->SelfDestruct();
+		}
+	};
+	DropDownWindow(DropDown * dropDown):
+		Window(ui::Point(dropDown->Position.X+dropDown->GetParentWindow()->Position.X-5, dropDown->Position.Y+dropDown->GetParentWindow()->Position.Y-3), ui::Point(dropDown->Size.X+10, 1+dropDown->options.size()*16)),
+		dropDown(dropDown),
+		appearance(dropDown->Appearance)
+	{
+		int currentY = 1;
+		for(int i = 0; i < dropDown->options.size(); i++)
+		{
+			Button * tempButton = new Button(Point(1, currentY), Point(Size.X-2, 16), dropDown->options[i].first);
+			tempButton->Appearance = appearance;
+			if(i)
+				tempButton->Appearance.Border = ui::Border(0, 1, 1, 1);
+			tempButton->SetActionCallback(new ItemSelectedAction(this, dropDown->options[i].first));
+			AddComponent(tempButton);
+			currentY += 16;
+		}
+	}
+	virtual void OnDraw()
+	{
+		Graphics * g = ui::Engine::Ref().g;
+		g->clearrect(Position.X, Position.Y, Size.X, Size.Y);
+	}
+	void setOption(std::string option)
+	{
+		dropDown->SetOption(option);
+		if(dropDown->callback)
+		{
+			int optionIndex = 0;
+			for(optionIndex = 0; optionIndex < dropDown->options.size(); optionIndex++)
+			{
+				if(option == dropDown->options[optionIndex].first)
+					break;
+			}
+			dropDown->callback->OptionChanged(dropDown, dropDown->options[optionIndex]);
+		}
+	}
+	virtual void OnTryExit(ExitMethod method)
+	{
+		ui::Engine::Ref().CloseWindow();
+		SelfDestruct();
+	}
+	virtual ~DropDownWindow() {}
+};
+
+DropDown::DropDown(Point position, Point size):
+	Component(position, size),
+	isMouseInside(false),
+	optionIndex(-1),
+	callback(NULL)
+{
+}
+
+void DropDown::OnMouseClick(int x, int y, unsigned int button)
+{
+	DropDownWindow * newWindow = new DropDownWindow(this);
+	ui::Engine::Ref().ShowWindow(newWindow);
+}
+
+void DropDown::Draw(const Point& screenPos)
+{
+	if(!drawn)
+	{
+		if(optionIndex!=-1)
+			TextPosition(options[optionIndex].first);
+		drawn = true;
+	}
+	Graphics * g = ui::Engine::Ref().g;
+	Point Position = screenPos;
+
+	ui::Colour textColour = Appearance.TextInactive;
+	ui::Colour borderColour = Appearance.BorderInactive;
+	ui::Colour backgroundColour = Appearance.BackgroundInactive;
+
+	if (isMouseInside)
+	{
+		textColour = Appearance.TextHover;
+		borderColour = Appearance.BorderHover;
+		backgroundColour = Appearance.BackgroundHover;
+	}
+	else
+	{
+		textColour = Appearance.TextInactive;
+		borderColour = Appearance.BorderInactive;
+		backgroundColour = Appearance.BackgroundInactive;
+	}
+
+	g->fillrect(Position.X-1, Position.Y-1, Size.X+2, Size.Y+2, backgroundColour.Red, backgroundColour.Green, backgroundColour.Blue, backgroundColour.Alpha);
+	g->drawrect(Position.X, Position.Y, Size.X, Size.Y, borderColour.Red, borderColour.Green, borderColour.Blue, borderColour.Alpha);
+	if(optionIndex!=-1)
+		g->drawtext(Position.X+textPosition.X, Position.Y+textPosition.Y, options[optionIndex].first, textColour.Red, textColour.Green, textColour.Blue, textColour.Alpha);
+}
+	
+void DropDown::OnMouseEnter(int x, int y)
+{
+	isMouseInside = true;
+}
+
+void DropDown::OnMouseLeave(int x, int y)
+{
+	isMouseInside = false;
+}
+	std::pair<std::string, int> DropDown::GetOption()
+	{
+		if(optionIndex!=-1)
+		{
+			return options[optionIndex];
+		}
+		return std::pair<std::string, int>("", -1);
+	}
+	
+	void DropDown::SetOption(std::string option)
+	{
+		for(int i = 0; i < options.size(); i++)
+		{
+			if(options[i].first == option)
+			{
+				optionIndex = i;
+				TextPosition(options[optionIndex].first);
+				return;
+			}
+		}
+	}
+	void DropDown::SetOption(int option)
+	{
+		for(int i = 0; i < options.size(); i++)
+		{
+			if(options[i].second == option)
+			{
+				optionIndex = i;
+				TextPosition(options[optionIndex].first);
+				return;
+			}
+		}
+	}
+	void DropDown::AddOption(std::pair<std::string, int> option)
+	{
+		for(int i = 0; i < options.size(); i++)
+		{
+			if(options[i] == option)
+				return;
+		}
+		options.push_back(option);
+	}
+	void DropDown::RemoveOption(std::string option)
+	{
+	start:
+		for(int i = 0; i < options.size(); i++)
+		{
+			if(options[i].first == option)
+			{
+				if(i == optionIndex)
+					optionIndex = -1;
+				options.erase(options.begin()+i);
+				goto start;
+			}
+		}
+	}
+	void DropDown::SetOptions(std::vector<std::pair<std::string, int> > options)
+	{
+		this->options = options;
+	}
+
+
+DropDown::~DropDown() {
+	if(callback)
+		delete callback;
+}
+
+} /* namespace ui */