Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/uidescription/editing/uieditview.h

@@ -0,0 +1,151 @@
+// This file is part of VSTGUI. It is subject to the license terms
+// in the LICENSE file found in the top-level directory of this
+// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
+
+#pragma once
+
+#include "../../lib/cviewcontainer.h"
+
+#if VSTGUI_LIVE_EDITING
+
+#include "../../lib/cbitmap.h"
+#include "../../lib/ccolor.h"
+#include "../../lib/dragging.h"
+
+namespace VSTGUI {
+class UIUndoManager;
+class UISelection;
+class UIDescription;
+class IUIDescription;
+class UICrossLines;
+class ViewSizeChangeOperation;
+class IGridProcessor;
+namespace UIEditViewInternal {
+	class UIHighlightView;
+} // UIEditViewInternal
+
+//----------------------------------------------------------------------------------------------------
+class UIEditView : public CViewContainer, public IDropTarget
+{
+public:
+	UIEditView (const CRect& size, UIDescription* uidescription);
+	~UIEditView () override;
+
+	void enableEditing (bool state);
+	void enableAutosizing (bool state);
+	void setScale (double scale);
+
+	void setEditView (CView* view);
+	CView* getEditView () const;
+
+	void doKeyMove (const CPoint& delta);
+	void doKeySize (const CPoint& delta);
+
+	void setUndoManager (UIUndoManager* manager);
+	UIUndoManager* getUndoManager ();
+
+	void setSelection (UISelection* selection);
+	UISelection* getSelection ();
+	
+	void setGridProcessor (IGridProcessor* grid);
+
+	void setupColors (const IUIDescription* description);
+	
+	static IdStringPtr kMsgAttached;
+	static IdStringPtr kMsgRemoved;
+protected:
+	enum class MouseEditMode {
+		NoEditing,
+		DragEditing,
+		SizeEditing,
+		LassoSelection,
+		WaitDrag,
+		WaitLasso,
+	};
+
+	enum class MouseSizeMode {
+		None,
+		BottomRight,
+		BottomLeft,
+		TopRight,
+		TopLeft,
+		Left,
+		Right,
+		Top,
+		Bottom
+	};
+
+	void updateSize ();
+	void invalidSelection ();
+	MouseSizeMode selectionHitTest (const CPoint& where, CView** resultView);
+	bool hitTestSubViews (const CPoint& where, const Event& event) override;
+	CMouseEventResult onMouseDown (CPoint &where, const CButtonState& buttons) override;
+	CMouseEventResult onMouseUp (CPoint &where, const CButtonState& buttons) override;
+	CMouseEventResult onMouseMoved (CPoint &where, const CButtonState& buttons) override;
+	CMouseEventResult onMouseExited (CPoint& where, const CButtonState& buttons) override;
+	CMessageResult notify (CBaseObject* sender, IdStringPtr message) override;
+	void onKeyboardEvent (KeyboardEvent& event) override;
+
+	std::vector<CView*> findChildsInArea (CViewContainer* view, CRect r) const;
+
+	void doDragEditingMove (CPoint& where);
+	void doSizeEditingMove (CPoint& where);
+	void onDoubleClickEditing (CView* view);
+
+	void startDrag (CPoint& where);
+	SharedPointer<UISelection> getSelectionOutOfDrag (IDataPackage* drag) const;
+
+	SharedPointer<IDropTarget> getDropTarget () override;
+	bool onDrop (DragEventData data) override;
+	DragOperation onDragEnter (DragEventData data) override;
+	void onDragLeave (DragEventData data) override;
+	DragOperation onDragMove (DragEventData data) override;
+
+	void draw (CDrawContext *pContext) override;
+	void drawRect (CDrawContext *pContext, const CRect& updateRect) override;
+	CView* getViewAt (const CPoint& p, const GetViewOptions& options = GetViewOptions ()) const override;
+	CViewContainer* getContainerAt (const CPoint& p, const GetViewOptions& options = GetViewOptions ().deep ()) const override;
+	bool advanceNextFocusView (CView* oldFocus, bool reverse) override;
+	void onMouseWheelEvent (MouseWheelEvent& event) override;
+	void onZoomGestureEvent (ZoomGestureEvent& event) override;
+
+	void looseFocus () override;
+	void takeFocus () override;
+	bool removed (CView* parent) override;
+	bool attached (CView* parent) override;
+
+	bool editing {true};
+	bool autosizing {true};
+	bool inlineAttrTextEditOpen {false};
+	MouseEditMode mouseEditMode {MouseEditMode::NoEditing};
+	MouseSizeMode mouseSizeMode {MouseSizeMode::None};
+	CPoint mouseStartPoint;
+ 
+	SharedPointer<UIUndoManager> undoManger;
+	SharedPointer<UISelection> selection;
+	SharedPointer<UISelection> dragSelection;
+	UIDescription* description {nullptr};
+	SharedPointer<IGridProcessor> gridProcessor;
+	
+	UIEditViewInternal::UIHighlightView* highlightView {nullptr};
+	CLayeredViewContainer* overlayView {nullptr};
+	UICrossLines* lines {nullptr};
+	ViewSizeChangeOperation* moveSizeOperation {nullptr};
+	SharedPointer<CVSTGUITimer> editTimer;
+	DragStartMouseObserver dragStartMouseObserver;
+	
+	CColor crosslineForegroundColor;
+	CColor crosslineBackgroundColor;
+	CColor lassoFillColor;
+	CColor lassoFrameColor;
+	CColor viewHighlightColor;
+	CColor viewSelectionColor;
+
+	struct ViewAddedObserver;
+	std::unique_ptr<ViewAddedObserver> editingViewAddedObserver;
+	void disableExternalViewsOnInlineEditing (bool state);
+};
+
+} // VSTGUI
+
+#endif // VSTGUI_LIVE_EDITING