Slider and decoration colour changer

1 files changed, 107 insertions, 0 deletions

diff --git a/src/interface/Slider.cpp b/src/interface/Slider.cpp
new file mode 100644
index 0000000..1e141d2
--- /dev/null
+++ b/src/interface/Slider.cpp
@@ -0,0 +1,107 @@
+/*
+ * Slider.cpp
+ *
+ *  Created on: Mar 3, 2012
+ *      Author: Simon
+ */
+
+#include <iostream>
+#include "Slider.h"
+
+namespace ui {
+
+Slider::Slider(Point position, Point size, int steps):
+		Component(position, size),
+		sliderSteps(steps),
+		sliderPosition(0),
+		isMouseDown(false)
+{
+	// TODO Auto-generated constructor stub
+
+}
+
+void Slider::updatePosition(int position)
+{
+	if(position < 3)
+		position = 3;
+	if(position > Size.X-3)
+		position = Size.X-3;
+
+	float fPosition = position-3;
+	float fSize = Size.X-6;
+	float fSteps = sliderSteps;
+
+	float fSliderPosition = (fPosition/fSize)*sliderSteps;//position;//((x-3)/(Size.X-6))*sliderSteps;
+
+	int newSliderPosition = fSliderPosition;
+
+	if(newSliderPosition == sliderPosition)
+		return;
+
+	sliderPosition = newSliderPosition;
+
+	if(actionCallback)
+	{
+		actionCallback->ValueChangedCallback(this);
+	}
+}
+
+void Slider::OnMouseMoved(int x, int y, int dx, int dy)
+{
+	if(isMouseDown)
+	{
+		updatePosition(x);
+	}
+}
+
+void Slider::OnMouseClick(int x, int y, unsigned button)
+{
+	isMouseDown = true;
+	updatePosition(x);
+}
+
+void Slider::OnMouseUp(int x, int y, unsigned button)
+{
+	if(isMouseDown)
+	{
+		isMouseDown = false;
+	}
+}
+
+int Slider::GetValue()
+{
+	return sliderPosition;
+}
+
+void Slider::SetValue(int value)
+{
+	if(value < 0)
+		value = 0;
+	if(value > sliderSteps)
+		value = sliderSteps;
+	sliderPosition = value;
+}
+
+void Slider::Draw(const Point& screenPos)
+{
+	Graphics * g = Engine::Ref().g;
+	g->drawrect(screenPos.X, screenPos.Y, Size.X, Size.Y, 255, 255, 255, 255);
+	g->fillrect(screenPos.X+3, screenPos.Y+3, Size.X-6, Size.Y-6, 255, 255, 255, 255);
+
+	float fPosition = sliderPosition;
+	float fSize = Size.X-6;
+	float fSteps = sliderSteps;
+
+	float fSliderX = (fSize/fSteps)*fPosition;//sliderPosition;//((Size.X-6)/sliderSteps)*sliderPosition;
+	int sliderX = fSliderX;
+	sliderX += 3;
+
+	g->fillrect(screenPos.X+sliderX-2, screenPos.Y+1, 4, Size.Y-2, 20, 20, 20, 255);
+	g->drawrect(screenPos.X+sliderX-2, screenPos.Y+1, 4, Size.Y-2, 200, 200, 200, 255);
+}
+
+Slider::~Slider()
+{
+}
+
+} /* namespace ui */