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// RCS-ID: $Id: scoreView.h,v 1.3 2006/02/23 19:17:49 cecilios Exp $
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//--------------------------------------------------------------------------------------
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// LenMus Phonascus: The teacher of music
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// Copyright (c) 2002-2006 Cecilio Salmeron
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// This program is free software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the Free Software Foundation;
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// either version 2 of the License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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// PARTICULAR PURPOSE. See the GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along with this
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// program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street,
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// Fifth Floor, Boston, MA 02110-1301, USA.
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// For any comment, suggestion or feature request, please contact the manager of
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// the project at cecilios@users.sourceforge.net
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//-------------------------------------------------------------------------------------
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@brief Header file for class lmScoreView
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#ifndef __SCOREVIEWH__ //to avoid nested includes
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#define __SCOREVIEWH__
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#if wxUSE_GENERIC_DRAGIMAGE
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#include "wx/generic/dragimgg.h"
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#define wxDragImage wxGenericDragImage
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#include "wx/dragimag.h"
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#include "wx/docview.h"
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#include "ScoreCanvas.h"
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#include "EditFrame.h"
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#include "../widgets/Ruler.h"
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#include "FontManager.h"
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#include "../sound/SoundEvents.h"
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class lmScoreView: public wxView
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bool OnCreate(wxDocument* doc, long WXUNUSED(flags));
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void OnDraw(wxDC *dc);
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void RepaintScoreRectangle(wxDC* pDC, wxRect& repaintRect);
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void OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint) = (wxObject *) NULL);
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bool OnClose(bool deleteWindow = TRUE);
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void OnCut(wxCommandEvent& event);
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void SetScale(double rScale);
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double GetScale() { return m_rScale; }
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void SetRulersVisible(bool fVisible);
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//methods for dealing with user interaction
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void OnMouseEvent(wxMouseEvent& event, wxDC* pDC);
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void OnScroll(wxScrollEvent& event);
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//scrolling and painting
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void AdjustScrollbars();
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void ResizeControls();
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void GetViewStart (int *x, int *y) const;
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void GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const;
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void GetPageInfo(int* pMinPage, int* pMaxPage, int* pSelPageFrom, int* pSelPageTo);
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void DrawPage(wxDC* pDC, int nPage);
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// sound related methods
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void OnVisualHighlight(lmScoreHighlightEvent& event);
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// Auxiliary for rendering the view
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void InvalidateBitmap();
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// Auxiliary for scrolling
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int CalcScrollInc(wxScrollEvent& event);
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void DoScroll(wxInt32 orientation, wxInt32 nScrollSteps);
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lmEditFrame* m_pFrame; // the frame for the view
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lmScoreCanvas* m_pCanvas; // the window for rendering the view
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// controls on the window
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lmRuler* m_pHRuler; //rulers
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wxScrollBar* m_pHScroll; // scrollbars
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wxScrollBar* m_pVScroll;
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// scrolling management
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wxInt32 m_xScrollPosition, m_yScrollPosition; // current display origin (scroll units)
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wxInt32 m_pixelsPerStepX, m_pixelsPerStepY; // pixels per scroll unit
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wxInt32 m_xMaxScrollSteps, m_yMaxScrollSteps; // num of scroll units to scroll the full view
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wxInt32 m_xScrollStepsPerPage, m_yScrollStepsPerPage; // scroll units to scroll a page
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wxInt32 m_thumbX, m_thumbY; // scrollbars thumbs size
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double m_rScale; // presentation scale
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lmPaper m_Paper; // the lmPaper object to use
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bool m_fRulers; // draw rulers
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// positioning of page images (in pixels) onto the view space. This is
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// a virtual infinite paper on which all pages are rendered one after the other.
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lmPixels m_xPageSizeD, m_yPageSizeD; // pages size in pixels
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lmPixels m_xBorder; // margin on both sides, left and rigth, of the page
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lmPixels m_yBorder; // top margin before the first page
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lmPixels m_yInterpageGap; // gap between pages
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wxInt32 m_numPages; // the current number of pages contained in the view space
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// scaling factors between display pixels and logical units
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double m_xDisplayPixelsPerLU;
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double m_yDisplayPixelsPerLU;
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// dragging control variables
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wxPoint m_dragStartPosL;
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wxPoint m_dragHotSpot; // pixels
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wxDragImage* m_pDragImage;
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lmScoreObj* m_pSoDrag; // lmScoreObj being dragged
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lmFontManager m_fontManager;
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DECLARE_DYNAMIC_CLASS(lmScoreView)
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DECLARE_EVENT_TABLE()
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#endif // __SCOREVIEWH__
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src/app/scoreView.h
