Merge pull request #281 from moller21/coverguis2

Cover GUI's take 2

1 files changed, 71 insertions, 0 deletions

diff --git a/src/main/java/gregtech/api/gui/widgets/GT_GuiTooltipManager.java b/src/main/java/gregtech/api/gui/widgets/GT_GuiTooltipManager.java
new file mode 100644
index 0000000000..d0e6964abc
--- /dev/null
+++ b/src/main/java/gregtech/api/gui/widgets/GT_GuiTooltipManager.java
@@ -0,0 +1,71 @@
+package gregtech.api.gui.widgets;
+
+import net.minecraft.client.gui.FontRenderer;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class GT_GuiTooltipManager {
+    public interface GT_IToolTipRenderer {
+        int getGuiLeft();
+        int getGuiTop();
+        int getXSize();
+        FontRenderer getFontRenderer();
+        void drawHoveringText(List<String> par1List, int par2, int par3, FontRenderer font);
+    }
+
+    private static final long DELAY = 5;
+    private int mouseStopped;
+    private int lastMouseX = -1;
+    private int lastMouseY = -1;
+    private final List<GT_GuiTooltip> tips = new ArrayList<>();
+
+    public void addToolTip(GT_GuiTooltip tip) {
+        if (!tips.contains(tip)) tips.add(tip);
+    }
+
+    public boolean removeToolTip(GT_GuiTooltip tip) {
+        return tips.remove(tip);
+    }
+
+    public final void onTick(GT_IToolTipRenderer render, int mouseX, int mouseY) {
+        if ((Math.abs(mouseX-lastMouseX) < 2 ) && (Math.abs(mouseY-lastMouseY) < 2 ))
+            mouseStopped = Math.min(mouseStopped+1, 50);
+        else
+            mouseStopped = 0;
+
+        lastMouseX = mouseX;
+        lastMouseY = mouseY;
+
+        if (mouseStopped > DELAY)
+            mouseX -= render.getGuiLeft();
+            mouseY -= render.getGuiTop();
+            for (GT_GuiTooltip tip : tips) {
+                if(tip.enabled && tip.bounds.contains(mouseX, mouseY)){
+                    tip.updateText();
+                    drawTooltip(tip, mouseX, mouseY, render);
+                    break;
+                }
+        }
+    }
+
+    private void drawTooltip(GT_GuiTooltip tip, int mouseX, int mouseY, GT_IToolTipRenderer render) {
+        List<String> text = tip.getToolTipText();
+        if (text == null)
+            return;
+
+        if (mouseX > render.getGuiLeft() + render.getXSize()/2) {
+            int maxWidth = 0;
+            for (String s : text) {
+                int w = render.getFontRenderer().getStringWidth(s);
+                if (w > maxWidth) {
+                    maxWidth = w;
+                }
+            }
+            mouseX -= (maxWidth + 18);
+        }
+
+        render.drawHoveringText(text, mouseX, mouseY, render.getFontRenderer());
+    }
+
+}