Rename package: enums->flag

imgui-binding/src/main/java/imgui/flag/ImGuiDragDropFlags.java

@@ -0,0 +1,61 @@
+package imgui.flag;
+
+/**
+ * Flags for ImGui::BeginDragDropSource(), ImGui::AcceptDragDropPayload()
+ */
+public final class ImGuiDragDropFlags {
+    private ImGuiDragDropFlags() {
+    }
+
+    public static final int None = 0;
+
+    // BeginDragDropSource() flags
+
+    /**
+     * By default, a successful call to BeginDragDropSource opens a tooltip so you can display a preview or description of the source contents. This flag disable this behavior.
+     */
+    public static final int SourceNoPreviewTooltip = 1;
+    /**
+     * By default, when dragging we clear data so that IsItemHovered() will return false, to avoid subsequent user code submitting tooltips.
+     * This flag disable this behavior so you can still call IsItemHovered() on the source item.
+     */
+    public static final int SourceNoDisableHover = 1 << 1;
+    /**
+     * Disable the behavior that allows to open tree nodes and collapsing header by holding over them while dragging a source item.
+     */
+    public static final int SourceNoHoldToOpenOthers = 1 << 2;
+    /**
+     * Allow items such as Text(), Image() that have no unique identifier to be used as drag source,
+     * by manufacturing a temporary identifier based on their window-relative position.
+     * This is extremely unusual within the dear imgui ecosystem and so we made it explicit.
+     */
+    public static final int SourceAllowNullID = 1 << 3;
+    /**
+     * External source (from outside of dear imgui), won't attempt to read current item/window info. Will always return true.
+     * Only one Extern source can be active simultaneously.
+     */
+    public static final int SourceExtern = 1 << 4;
+    /**
+     * Automatically expire the payload if the source cease to be submitted (otherwise payloads are persisting while being dragged)
+     */
+    public static final int SourceAutoExpirePayload = 1 << 5;
+
+    // AcceptDragDropPayload() flags
+
+    /**
+     * AcceptDragDropPayload() will returns true even before the mouse button is released. You can then call IsDelivery() to test if the payload needs to be delivered.
+     */
+    public static final int AcceptBeforeDelivery = 1 << 10;
+    /**
+     * Do not draw the default highlight rectangle when hovering over target.
+     */
+    public static final int AcceptNoDrawDefaultRect = 1 << 11;
+    /**
+     * Request hiding the BeginDragDropSource tooltip from the BeginDragDropTarget site.
+     */
+    public static final int AcceptNoPreviewTooltip = 1 << 12;
+    /**
+     * For peeking ahead and inspecting the payload before delivery.
+     */
+    public static final int AcceptPeekOnly = AcceptBeforeDelivery | AcceptNoDrawDefaultRect;
+}