133 lines
2.4 KiB
Java
133 lines
2.4 KiB
Java
package appeng.client.gui.widgets;
|
|
|
|
import org.lwjgl.opengl.GL11;
|
|
|
|
import appeng.client.gui.AEBaseGui;
|
|
|
|
public class GuiScrollbar implements IScrollSource
|
|
{
|
|
|
|
private int displayX = 0;
|
|
private int displayY = 0;
|
|
private int width = 12;
|
|
private int height = 16;
|
|
private int pageSize = 1;
|
|
|
|
private int maxScroll = 0;
|
|
private int minScroll = 0;
|
|
private int currentScroll = 0;
|
|
|
|
private void applyRange()
|
|
{
|
|
currentScroll = Math.max( Math.min( currentScroll, maxScroll ), minScroll );
|
|
}
|
|
|
|
public void draw(AEBaseGui g)
|
|
{
|
|
g.bindTexture( "minecraft", "gui/container/creative_inventory/tabs.png" );
|
|
GL11.glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
|
|
|
|
if ( getRange() == 0 )
|
|
{
|
|
g.drawTexturedModalRect( displayX, displayY, 232 + width, 0, width, 15 );
|
|
}
|
|
else
|
|
{
|
|
int offset = (currentScroll - minScroll) * (height - 15) / getRange();
|
|
g.drawTexturedModalRect( displayX, offset + displayY, 232, 0, width, 15 );
|
|
}
|
|
}
|
|
|
|
public int getRange()
|
|
{
|
|
return maxScroll - minScroll;
|
|
}
|
|
|
|
public int getLeft()
|
|
{
|
|
return displayX;
|
|
}
|
|
|
|
public int getTop()
|
|
{
|
|
return displayY;
|
|
}
|
|
|
|
public int getWidth()
|
|
{
|
|
return width;
|
|
}
|
|
|
|
public int getHeight()
|
|
{
|
|
return height;
|
|
}
|
|
|
|
public GuiScrollbar setLeft(int v)
|
|
{
|
|
displayX = v;
|
|
return this;
|
|
}
|
|
|
|
public GuiScrollbar setTop(int v)
|
|
{
|
|
displayY = v;
|
|
return this;
|
|
}
|
|
|
|
public GuiScrollbar setWidth(int v)
|
|
{
|
|
width = v;
|
|
return this;
|
|
}
|
|
|
|
public GuiScrollbar setHeight(int v)
|
|
{
|
|
height = v;
|
|
return this;
|
|
}
|
|
|
|
public void setRange(int min, int max, int pageSize)
|
|
{
|
|
minScroll = min;
|
|
maxScroll = max;
|
|
this.pageSize = pageSize;
|
|
|
|
if ( minScroll > maxScroll )
|
|
maxScroll = minScroll;
|
|
|
|
applyRange();
|
|
}
|
|
|
|
@Override
|
|
public int getCurrentScroll()
|
|
{
|
|
return currentScroll;
|
|
}
|
|
|
|
public void click(AEBaseGui aeBaseGui, int x, int y)
|
|
{
|
|
if ( getRange() == 0 )
|
|
return;
|
|
|
|
if ( x > displayX && x <= displayX + width )
|
|
{
|
|
if ( y > displayY && y <= displayY + height )
|
|
{
|
|
currentScroll = (y - displayY);
|
|
currentScroll = minScroll + ((currentScroll * 2 * getRange() / height));
|
|
currentScroll = (currentScroll + 1) >> 1;
|
|
applyRange();
|
|
}
|
|
}
|
|
}
|
|
|
|
public void wheel(int delta)
|
|
{
|
|
delta = Math.max( Math.min( -delta, 1 ), -1 );
|
|
currentScroll += delta * pageSize;
|
|
applyRange();
|
|
}
|
|
|
|
}
|