Add basic dragging and expandablity in ClickGUI

src/main/java/com/tangykiwi/kiwiclient/gui/clickgui/CategoryWindow.java

@@ -9,21 +9,25 @@
 import com.tangykiwi.kiwiclient.util.font.FontRenderer;
 import net.minecraft.client.gui.DrawContext;
 import net.minecraft.client.render.DiffuseLighting;
+import net.minecraft.client.sound.PositionedSoundInstance;
 import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.item.BlockItem;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.Items;
+import net.minecraft.sound.SoundEvents;
 import org.apache.commons.lang3.StringUtils;
 
 import java.awt.*;
 import java.util.ArrayList;
 import java.util.List;
 
+import static com.tangykiwi.kiwiclient.KiwiClient.mc;
+
 public class CategoryWindow {
     public List<Module> moduleList = new ArrayList<Module>();
 
-    private int x, y;
-    private int width, height;
+    public int x, y;
+    public int width, height;
     private Category category;
     private String title;
     private ItemStack icon;
@@ -32,6 +36,19 @@ public class CategoryWindow {
     private FontRenderer fontRenderer;
     private float fontHeight;
 
+    protected boolean dragging;
+    protected int dragOffX;
+    protected int dragOffY;
+
+    public int mouseX;
+    public int mouseY;
+
+    public int keyDown = -1;
+    public boolean lmDown = false;
+    public boolean rmDown = false;
+    public boolean lmHeld = false;
+    public int mwScroll = 0;
+
     public CategoryWindow(int x, int y, int width, Category category, ItemStack icon) {
         this.x = x;
         this.y = y;
@@ -48,6 +65,11 @@ public CategoryWindow(int x, int y, int width, Category category, ItemStack icon
     }
 
     public void render(DrawContext context, int mouseX, int mouseY) {
+        if (dragging) {
+            x = Math.max(0, mouseX - dragOffX);
+            y = Math.max(0, mouseY - dragOffY);
+        }
+
         int trueLen = (int) (expanded ? y + fontHeight + 1 /*+ getHeight()*/ : y + fontHeight + 1);
 
         MatrixStack matrixStack = context.getMatrices();
@@ -63,7 +85,7 @@ public void render(DrawContext context, int mouseX, int mouseY) {
         /* base title */
         RenderUtils.drawRoundedQuadWH(matrixStack, new Color(0xffec8625), x + 1, y + 1, width - 2, fontHeight + 1, 5, 90);
 
-        fontRenderer.drawStringWithShadow(matrixStack, expanded ? "-" : "+", x + width - 10, y + (expanded ? 2 : 4), -1);
+        fontRenderer.drawStringWithShadow(matrixStack, expanded ? "-" : "+", x + width - 10, y + 2, -1);
 
         boolean blockItem = icon != null && icon.getItem() instanceof BlockItem;
 
@@ -82,5 +104,40 @@ public void render(DrawContext context, int mouseX, int mouseY) {
 
         /* window title */
         fontRenderer.drawStringWithShadow(matrixStack, title, x + (icon == null || icon.getItem() == Items.AIR ? 4 : (blockItem ? 15 : 14)), y + 3, -1);
+
+        if (rmDown && mouseOver(x, y, x + width, y + 13)) {
+            mc.getSoundManager().play(PositionedSoundInstance.master(SoundEvents.UI_BUTTON_CLICK, 1.0F));
+            expanded = !expanded;
+        }
+    }
+
+    public void mouseClicked(double mouseX, double mouseY, int button) {
+        if (mouseX >= x && mouseX <= x + width - 2 && mouseY >= y && mouseY <= y + height + 11) {
+            dragging = true;
+            dragOffX = (int) mouseX - x;
+            dragOffY = (int) mouseY - y;
+        }
+    }
+
+    public void mouseReleased(double mouseX, double mouseY, int button) {
+        dragging = false;
+    }
+
+    public void keyPressed(int keyCode, int scanCode, int modifiers) {
+
+    }
+
+    public boolean mouseOver(int minX, int minY, int maxX, int maxY) {
+        return mouseX >= minX && mouseX <= maxX && mouseY >= minY && mouseY < maxY;
+    }
+
+    public void updateKeys(int mouseX, int mouseY, int keyDown, boolean lmDown, boolean rmDown, boolean lmHeld, int mwScroll) {
+        this.mouseX = mouseX;
+        this.mouseY = mouseY;
+        this.keyDown = keyDown;
+        this.lmDown = lmDown;
+        this.rmDown = rmDown;
+        this.lmHeld = lmHeld;
+        this.mwScroll = mwScroll;
     }
 }

src/main/java/com/tangykiwi/kiwiclient/gui/clickgui/ClickGUIScreen.java

@@ -15,6 +15,13 @@ public class ClickGUIScreen extends Base {
 
     List<CategoryWindow> windows = new ArrayList<CategoryWindow>();
 
+    protected int keyDown = -1;
+    protected boolean lmDown = false;
+    protected boolean rmDown = false;
+    protected boolean lmHeld = false;
+    protected int mwhScroll = 0;
+    protected int mwvScroll = 0;
+
     public ClickGUIScreen() {
         super(Text.literal("ClickGUI"));
     }
@@ -42,10 +49,64 @@ public boolean shouldPause() {
 
     @Override
     public void render(DrawContext context, int mouseX, int mouseY, float delta) {
+        for (CategoryWindow window : windows) {
+            window.updateKeys(mouseX, mouseY, keyDown, lmDown, rmDown, lmHeld, mwvScroll);
+        }
+
         super.render(context, mouseX, mouseY, delta);
 
         for (CategoryWindow window : windows) {
             window.render(context, mouseX, mouseY);
         }
+
+        lmDown = false;
+        rmDown = false;
+        keyDown = -1;
+        mwhScroll = 0;
+        mwvScroll = 0;
+    }
+
+    public boolean mouseClicked(double mouseX, double mouseY, int button) {
+        if (button == 0) {
+            lmDown = true;
+            lmHeld = true;
+        } else if (button == 1) {
+            rmDown = true;
+        }
+
+        for (CategoryWindow window : windows) {
+            if (mouseX > window.x && mouseX < window.x + window.width && mouseY > window.y && mouseY < window.y + window.height) {
+                window.mouseClicked(mouseX, mouseY, button);
+                break;
+            }
+        }
+
+        return super.mouseClicked(mouseX, mouseY, button);
+    }
+
+    public boolean mouseReleased(double mouseX, double mouseY, int button) {
+        if (button == 0) lmHeld = false;
+
+        for (CategoryWindow window : windows) {
+            window.mouseReleased(mouseX, mouseY, button);
+        }
+
+        return super.mouseReleased(mouseX, mouseY, button);
+    }
+
+    public boolean keyPressed(int keyCode, int scanCode, int modifiers) {
+        keyDown = keyCode;
+
+        for (CategoryWindow window : windows) {
+            window.keyPressed(keyCode, scanCode, modifiers);
+        }
+
+        return super.keyPressed(keyCode, scanCode, modifiers);
+    }
+
+    public boolean mouseScrolled(double mouseX, double mouseY, double horizontalAmount, double verticalAmount) {
+        mwhScroll = (int) horizontalAmount;
+        mwvScroll = (int) verticalAmount;
+        return super.mouseScrolled(mouseX, mouseY, horizontalAmount, verticalAmount);
     }
 }