renamed dragimag sample

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6715 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/dragimag/dragimag.h

@@ -0,0 +1,156 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        dragimag.h
+// Purpose:     wxDragImage sample
+// Author:      Julian Smart
+// Modified by:
+// Created:     28/2/2000
+// RCS-ID:      $Id$
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_DRAGIMAGSAMPLE_
+#define _WX_DRAGIMAGSAMPLE_
+
+// derived classes
+
+class MyFrame;
+class MyApp;
+class MyCanvas;
+class DragShape;
+
+// MyFrame
+
+class MyFrame: public wxFrame
+{
+public:
+    MyFrame();
+
+    void OnAbout( wxCommandEvent &event );
+    void OnQuit( wxCommandEvent &event );
+
+    MyCanvas* GetCanvas() const { return m_canvas; }
+    void SetCanvas(MyCanvas* canvas) { m_canvas = canvas; }
+
+private:
+    MyCanvas*       m_canvas;
+
+    DECLARE_DYNAMIC_CLASS(MyFrame)
+    DECLARE_EVENT_TABLE()
+};
+
+// MyApp
+
+class MyApp: public wxApp
+{
+public:
+    MyApp();
+    virtual bool OnInit();
+
+//// Operations
+
+    // Tile the bitmap
+    bool TileBitmap(const wxRect& rect, wxDC& dc, wxBitmap& bitmap);
+
+//// Accessors
+    wxBitmap& GetBackgroundBitmap() const { return (wxBitmap&) m_background; }
+
+    bool GetUseScreen() const { return m_useScreen; }
+    void SetUseScreen(bool useScreen) { m_useScreen = useScreen; }
+
+    void OnUseScreen(wxCommandEvent& event);
+
+protected:
+    wxBitmap    m_background;
+    bool        m_useScreen;
+
+DECLARE_EVENT_TABLE()
+};
+
+DECLARE_APP(MyApp)
+
+#define TEST_USE_SCREEN   100
+
+// MyCanvas
+
+// Dragging modes
+#define TEST_DRAG_NONE     0
+#define TEST_DRAG_START    1
+#define TEST_DRAG_DRAGGING 2
+
+class MyCanvas: public wxScrolledWindow
+{
+public:
+    MyCanvas( wxWindow *parent, wxWindowID, const wxPoint &pos, const wxSize &size );
+    ~MyCanvas();
+
+    void OnPaint( wxPaintEvent &event );
+    void OnEraseBackground(wxEraseEvent& event);
+    void OnMouseEvent(wxMouseEvent& event);
+
+    void DrawShapes(wxDC& dc);
+    void EraseShape(DragShape* shape, wxDC& dc);
+    void ClearShapes();
+    DragShape* FindShape(const wxPoint& pt) const;
+
+    wxList& GetDisplayList() { return m_displayList; }
+
+protected:
+
+private:
+    wxList          m_displayList; // A list of DragShapes
+    int             m_dragMode;
+    DragShape*      m_draggedShape;
+    DragShape*      m_currentlyHighlighted; // The shape that's being highlighted
+    wxPoint         m_dragStartPos;
+    wxDragImage*    m_dragImage;
+
+    DECLARE_CLASS(MyCanvas)
+    DECLARE_EVENT_TABLE()
+};
+
+
+// Ways to drag a shape
+
+#define SHAPE_DRAG_BITMAP       1
+#define SHAPE_DRAG_TEXT         2
+#define SHAPE_DRAG_ICON         3
+
+// Shape
+
+class DragShape: public wxObject
+{
+public:
+    DragShape(const wxBitmap& bitmap);
+    ~DragShape();
+
+//// Operations
+
+    bool HitTest(const wxPoint& pt) const;
+    bool Draw(wxDC& dc, int op = wxCOPY);
+
+//// Accessors
+
+    wxPoint GetPosition() const { return m_pos; }
+    void SetPosition(const wxPoint& pos) { m_pos = pos; }
+
+    wxRect GetRect() const { return wxRect(m_pos.x, m_pos.y, m_bitmap.GetWidth(), m_bitmap.GetHeight()); }
+
+    wxBitmap& GetBitmap() const { return (wxBitmap&) m_bitmap; }
+    void SetBitmap(const wxBitmap& bitmap) { m_bitmap = bitmap; }
+
+    int GetDragMethod() const { return m_dragMethod; }
+    void SetDragMethod(int method) { m_dragMethod = method; }
+
+    bool IsShown() const { return m_show; }
+    void SetShow(bool show) { m_show = show; }
+
+protected:
+    wxPoint     m_pos;
+    wxBitmap    m_bitmap;
+    int         m_dragMethod;
+    bool        m_show;
+};
+
+#endif
+    // _WX_DRAGIMAGSAMPLE_