Allow keyframe timeline cursor sync to be toggled (closes #290)

src/main/java/com/replaymod/extras/HotkeyButtons.java

@@ -10,11 +10,13 @@ import de.johni0702.minecraft.gui.container.GuiPanel;
 import de.johni0702.minecraft.gui.element.GuiButton;
 import de.johni0702.minecraft.gui.element.GuiElement;
 import de.johni0702.minecraft.gui.element.GuiLabel;
+import de.johni0702.minecraft.gui.element.GuiTooltip;
 import de.johni0702.minecraft.gui.layout.CustomLayout;
 import de.johni0702.minecraft.gui.layout.GridLayout;
 import de.johni0702.minecraft.gui.layout.LayoutData;
 import de.johni0702.minecraft.gui.utils.EventRegistrations;
 import de.johni0702.minecraft.gui.utils.lwjgl.ReadableDimension;
+import net.minecraft.client.gui.screen.Screen;
 import net.minecraft.client.resource.language.I18n;
 
 import java.util.Collection;
@@ -71,9 +73,25 @@ public class HotkeyButtons extends EventRegistrations implements Extra {
                     public void draw(GuiRenderer renderer, ReadableDimension size, RenderInfo renderInfo) {
                         // There doesn't seem to be an KeyBindingUpdate event, so we'll just update it every time
                         setLabel(keyBinding.isBound() ? keyBinding.getBoundKey() : "");
+
+                        if (keyBinding.supportsAutoActivation()) {
+                            setTooltip(new GuiTooltip().setText(new String[]{
+                                    I18n.translate("replaymod.gui.ingame.autoactivating"),
+                                    I18n.translate("replaymod.gui.ingame.autoactivating."
+                                            + (keyBinding.isAutoActivating() ? "disable" : "enable")),
+                            }));
+                            setLabelColor(keyBinding.isAutoActivating() ? 0x00ff00 : 0xe0e0e0);
+                        }
+
                         super.draw(renderer, size, renderInfo);
                     }
-                }.onClick(keyBinding::trigger);
+                }.onClick(() -> {
+                    if (keyBinding.supportsAutoActivation() && Screen.hasControlDown()) {
+                        keyBinding.setAutoActivating(!keyBinding.isAutoActivating());
+                    } else {
+                        keyBinding.trigger();
+                    }
+                });
                 GuiLabel label = new GuiLabel().setI18nText(keyBinding.name);
                 panel.addElements(null, new GuiPanel().setLayout(new CustomLayout<GuiPanel>() {
                     @Override