initial checkin of C++ port (in progress)

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@2 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/symbol/select_editor.hpp

@@ -0,0 +1,117 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
+//| Copyright:    (C) 2001 - 2006 Twan van Laarhoven                           |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+#ifndef HEADER_GUI_SYMBOL_SELECT_EDITOR
+#define HEADER_GUI_SYMBOL_SELECT_EDITOR
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <util/prec.hpp>
+#include <gui/symbol/editor.hpp>
+
+DECLARE_POINTER_TYPE(SymbolPartMoveAction);
+DECLARE_POINTER_TYPE(SymbolPartScaleAction);
+DECLARE_POINTER_TYPE(SymbolPartRotateAction);
+DECLARE_POINTER_TYPE(SymbolPartShearAction);
+
+// ----------------------------------------------------------------------------- : SymbolSelectEditor
+
+/// Editor that allows the user to select symbol parts
+class SymbolSelectEditor : public SymbolEditorBase {
+  public:
+	SymbolSelectEditor(SymbolControl* control, bool rotate);
+	
+	// --------------------------------------------------- : Drawing
+	
+	virtual void draw(DC& dc);
+	
+  private:
+	/// Draw handles on all sides
+	void drawHandles(DC& dc);
+	/// Draw a handle, dx and dy indicate the side, can be {-1,0,1}
+	void drawHandle(DC& dc, int dx, int dy);
+	
+	/// Draw the rotation center
+	void drawRotationCenter(DC& dc, const Vector2D& pos);
+	
+  public:
+	// --------------------------------------------------- : UI
+	
+	virtual void initUI   (wxToolBar* tb, wxMenuBar* mb);
+	virtual void destroyUI(wxToolBar* tb, wxMenuBar* mb);
+	virtual void onUpdateUI(wxUpdateUIEvent& e);
+	virtual void onCommand(int id);
+	virtual int modeToolId();
+	
+	// --------------------------------------------------- : Mouse events
+	
+	virtual void onLeftDown   (const Vector2D& pos, wxMouseEvent& ev);
+	virtual void onLeftDClick (const Vector2D& pos, wxMouseEvent& ev);
+	virtual void onLeftUp     (const Vector2D& pos, wxMouseEvent& ev);
+	virtual void onMouseMove  (const Vector2D& from, const Vector2D& to, wxMouseEvent& ev);
+	virtual void onMouseDrag  (const Vector2D& from, const Vector2D& to, wxMouseEvent& ev);
+	
+	// --------------------------------------------------- : Other events
+	
+	virtual void onKeyChange  (wxKeyEvent& ev);
+	virtual void onChar       (wxKeyEvent& ev);
+	
+	virtual bool isEditing();
+	
+  private:
+	// The part under the mouse cursor
+	SymbolPartP highlightPart;
+	// Actions
+	// All are either owned by the symbol's action stack or equal 0
+	SymbolPartMoveAction*   moveAction;
+	SymbolPartScaleAction*  scaleAction;
+	SymbolPartRotateAction* rotateAction;
+	SymbolPartShearAction*  shearAction;
+	// Bounding box of selection
+	Vector2D minV, maxV;
+	// Where is the rotation center?
+	Vector2D center;
+	// At what angle is the handle we started draging for rotation
+	double startAngle;
+	// what side are we dragging/rotating on?
+	int scaleX, scaleY;
+	// Do we want to rotate?
+	bool rotate;
+	// Graphics assets
+	wxCursor cursorRotate;
+	wxCursor cursorShearX;
+	wxCursor cursorShearY;
+	Bitmap handleRotateTL, handleRotateTR, handleRotateBL, handleRotateBR;
+	Bitmap handleShearX, handleShearY;
+	Bitmap handleCenter;
+
+	/// Is the mouse on a scale/rotate handle?
+	bool onHandle(const Vector2D& mpos, int dx, int dy);
+	
+	/// Is the mouse on any handle?
+	/** Returns the handle coordinates [-1..1] in d?Out
+	 */
+	bool onAnyHandle(const Vector2D& mpos, int* dxOut, int* dyOut);
+	
+	/// Angle between center and pos
+	double angleTo(const Vector2D& pos);
+	
+	/// Return the position of a handle, dx,dy in <-1, 0, 1>
+	Vector2D handlePos(int dx, int dy);
+	
+	/// Find the first part at the given position
+	SymbolPartP findPart(const Vector2D& pos);
+	
+	/// Update minV and maxV to be the bounding box of the selectedParts
+	/// Updates center to be the rotation center of the parts
+	void updateBoundingBox();
+	
+	/// Reset all the actions to 0
+	void resetActions();
+};
+
+// ----------------------------------------------------------------------------- : EOF
+#endif