1 files changed, 89 insertions, 0 deletions
diff --git a/src/main/java/gregtech/common/gui/modularui/widget/CoverCycleButtonWidget.java b/src/main/java/gregtech/common/gui/modularui/widget/CoverCycleButtonWidget.java
new file mode 100644
index 0000000000..599ed28a5f
--- /dev/null
+++ b/src/main/java/gregtech/common/gui/modularui/widget/CoverCycleButtonWidget.java
@@ -0,0 +1,89 @@
+package gregtech.common.gui.modularui.widget;
+
+import com.gtnewhorizons.modularui.api.drawable.IDrawable;
+import com.gtnewhorizons.modularui.api.drawable.UITexture;
+import com.gtnewhorizons.modularui.common.widget.CycleButtonWidget;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+import gregtech.api.gui.modularui.GT_UITextures;
+import org.lwjgl.opengl.GL11;
+
+/**
+ * Fires click action on mouse release, not on press.
+ * Draws different backgrounds depending on whether the mouse is being pressed or the widget is hovered.
+ */
+public class CoverCycleButtonWidget extends CycleButtonWidget {
+
+    private static final UITexture BUTTON_NORMAL_NOT_PRESSED =
+            GT_UITextures.BUTTON_COVER_NORMAL.getSubArea(0, 0, 1, 0.5f);
+    private static final UITexture BUTTON_NORMAL_PRESSED = GT_UITextures.BUTTON_COVER_NORMAL.getSubArea(0, 0.5f, 1, 1);
+    private static final UITexture BUTTON_HOVERED_NOT_PRESSED =
+            GT_UITextures.BUTTON_COVER_NORMAL_HOVERED.getSubArea(0, 0, 1, 0.5f);
+    private static final UITexture BUTTON_HOVERED_PRESSED =
+            GT_UITextures.BUTTON_COVER_NORMAL_HOVERED.getSubArea(0, 0.5f, 1, 1);
+
+    private boolean clickPressed;
+
+    private static final int TOOLTIP_DELAY = 5;
+
+    public CoverCycleButtonWidget() {
+        setSize(16, 16);
+        setTooltipShowUpDelay(TOOLTIP_DELAY);
+    }
+
+    @Override
+    public ClickResult onClick(int buttonId, boolean doubleClick) {
+        updateState();
+        if (!canClick()) return ClickResult.REJECT;
+        clickPressed = true;
+        return ClickResult.SUCCESS;
+    }
+
+    @Override
+    public boolean onClickReleased(int buttonId) {
+        clickPressed = false;
+        updateState();
+        if (!isHovering() || !canClick()) return false;
+        return onClickImpl(buttonId);
+    }
+
+    protected boolean onClickImpl(int buttonId) {
+        super.onClick(buttonId, false);
+        return true;
+    }
+
+    @SuppressWarnings("BooleanMethodIsAlwaysInverted")
+    protected boolean canClick() {
+        return true;
+    }
+
+    @SideOnly(Side.CLIENT)
+    protected void updateState() {}
+
+    public boolean isClickPressed() {
+        return clickPressed;
+    }
+
+    @Override
+    public void drawBackground(float partialTicks) {
+        GL11.glColor4f(1, 1, 1, 1);
+        super.drawBackground(partialTicks);
+    }
+
+    @Override
+    public IDrawable[] getBackground() {
+        if (isHovering()) {
+            if (clickPressed) {
+                return new IDrawable[] {BUTTON_HOVERED_PRESSED};
+            } else {
+                return new IDrawable[] {BUTTON_HOVERED_NOT_PRESSED};
+            }
+        } else {
+            if (clickPressed) {
+                return new IDrawable[] {BUTTON_NORMAL_PRESSED};
+            } else {
+                return new IDrawable[] {BUTTON_NORMAL_NOT_PRESSED};
+            }
+        }
+    }
+}