Merge branch 'reorganisation' of github.com:FacialTurd/The-Powder-Toy

1 files changed, 141 insertions, 0 deletions

diff --git a/src/gui/interface/Slider.cpp b/src/gui/interface/Slider.cpp
new file mode 100644
index 0000000..3ada74f
--- /dev/null
+++ b/src/gui/interface/Slider.cpp
@@ -0,0 +1,141 @@
+#include <iostream>
+#include "Slider.h"
+#include "Colour.h"
+
+namespace ui {
+
+Slider::Slider(Point position, Point size, int steps):
+		Component(position, size),
+		sliderSteps(steps),
+		sliderPosition(0),
+		isMouseDown(false),
+		bgGradient(NULL),
+		col1(0, 0, 0, 0),
+		col2(0, 0, 0, 0)
+{
+
+}
+
+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;
+	}
+}
+
+
+void Slider::SetColour(Colour col1, Colour col2)
+{
+	pixel pix[2] = {PIXRGB(col1.Red, col1.Green, col1.Blue), PIXRGB(col2.Red, col2.Green, col2.Blue)};
+	float fl[2] = {0.0f, 1.0f};
+	if(bgGradient)
+		free(bgGradient);
+	this->col1 = col1;
+	this->col2 = col2;
+	bgGradient = (unsigned char*)Graphics::GenerateGradient(pix, fl, 2, Size.X-7);
+}
+
+int Slider::GetValue()
+{
+	return sliderPosition;
+}
+
+void Slider::SetValue(int value)
+{
+	if(value < 0)
+		value = 0;
+	if(value > sliderSteps)
+		value = sliderSteps;
+	sliderPosition = value;
+}
+
+int Slider::GetSteps()
+{
+	return sliderSteps;
+}
+
+void Slider::SetSteps(int steps)
+{
+	if(steps < 0)
+		steps = 0;
+	if(steps < sliderPosition)
+		sliderPosition = steps;
+	sliderSteps = steps;
+}
+
+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);
+
+	if(bgGradient)
+	{
+#ifndef OGLI
+		for (int j = 3; j < Size.Y-7; j++)
+				for (int i = 3; i < Size.X-7; i++)
+					g->blendpixel(screenPos.X+i+2, screenPos.Y+j+2, bgGradient[(i-3)*3], bgGradient[(i-3)*3+1], bgGradient[(i-3)*3+2], 255);
+#else
+		g->gradientrect(screenPos.X+5, screenPos.Y+5, Size.X-10, Size.Y-10, col1.Red, col1.Green, col1.Blue, col1.Alpha, col2.Red, col2.Green, col2.Blue, col2.Alpha);
+#endif
+	}
+
+	g->drawrect(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 */