165 lines
4.7 KiB
C
165 lines
4.7 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: No names yet.
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// Purpose: Contrib. demo
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// Author: Aleksandras Gluchovas
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// Modified by:
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// Created: 06/10/98
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// RCS-ID: $Id$
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// Copyright: (c) Aleksandras Gluchovas
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __ROWDRAGPL_G__
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#define __ROWDRAGPL_G__
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#ifdef __GNUG__
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#pragma interface "rowdragpl.h"
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#endif
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#include "wx/fl/controlbar.h"
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/*
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* Plugin adds row-dragging fuctionality to the pane.
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* Handles mouse/movement and pane-background erasing plugin-events.
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* Behaviour and appearence resembles drag & drop posotioning
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* of the toolbar-rows int Netscape Comunicator 4.xx.
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*/
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class cbRowDragPlugin : public cbPluginBase
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{
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DECLARE_DYNAMIC_CLASS( cbRowDragPlugin )
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public:
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// background colours for the highlighted/unhighlighted icons
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wxColour mHightColor; // light-blue for NC-look
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wxColour mLowColor; // light-gray -/-
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wxColour mTrianInnerColor; // blue -/-
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wxPen mTrianInnerPen; // black -/-
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protected:
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friend class cbRowDragPluginSerializer;
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// drag & drop state variables
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bool mDragStarted;
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bool mDecisionMode;
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wxPoint mDragOrigin;
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int mCurDragOfs;
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bool mCaptureIsOn;
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// saved margins of the pane
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int mSvTopMargin;
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int mSvBottomMargin;
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int mSvLeftMargin;
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int mSvRightMargin;
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//on-screen drawing state variables
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wxBitmap* mpPaneImage;
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wxBitmap* mpRowImage;
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wxBitmap* mpCombinedImage;
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wxScreenDC* mpScrDc;
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wxRect mCombRect;
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wxSize mRowImgDim;
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int mInitialRowOfs;
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// NOTE:: if mpRowInFocus is not NULL, then mCollapsedIconInFocus is -1,
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// and v.v. (two different items cannot be in focus at the same time)
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cbRowInfo* mpRowInFocus;
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int mCollapsedIconInFocus;
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cbDockPane* mpPane; // is set up temorarely, while handling event
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wxList mHiddenBars;
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wxBitmap* CaptureDCArea( wxDC& dc, wxRect& area );
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// helpers for drag&drop
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int GetHRowsCountForPane( cbDockPane* pPane );
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void SetMouseCapture( bool captureOn );
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void PrepareForRowDrag();
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void ShowDraggedRow( int offset );
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void ShowPaneImage();
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void FinishOnScreenDraw();
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void CollapseRow( cbRowInfo* pRow );
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void ExpandRow( int collapsedIconIdx );
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void InsertDraggedRowBefore( cbRowInfo* pBeforeRow );
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bool ItemIsInFocus();
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void CheckPrevItemInFocus( cbRowInfo* pRow, int iconIdx );
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void UnhiglightItemInFocus();
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cbRowInfo* GetFirstRow();
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// "hard-coded metafile" for NN-look
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virtual void DrawTrianUp( wxRect& inRect, wxDC& dc );
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virtual void DrawTrianDown( wxRect& inRect, wxDC& dc );
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virtual void DrawTrianRight( wxRect& inRect, wxDC& dc );
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virtual void Draw3DPattern( wxRect& inRect, wxDC& dc );
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virtual void DrawRombShades( wxPoint& p1, wxPoint& p2, wxPoint& p3, wxPoint& p4, wxDC& dc );
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virtual void DrawOrtoRomb( wxRect& inRect, wxDC& dc, wxBrush& bkBrush );
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virtual void DrawRomb( wxRect& inRect, wxDC& dc, wxBrush& bkBrush );
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virtual void Draw3DRect( wxRect& inRect, wxDC& dc, wxBrush& bkBrush );
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virtual void DrawRectShade( wxRect& inRect, wxDC& dc,
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int level, wxPen& upperPen, wxPen& lowerPen );
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virtual void GetRowHintRect( cbRowInfo* pRow, wxRect& rect );
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virtual void GetCollapsedInconRect( int iconIdx, wxRect& rect );
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virtual int GetCollapsedIconsPos();
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public:
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cbRowDragPlugin(void);
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cbRowDragPlugin( wxFrameLayout* pLayout, int paneMask = wxALL_PANES );
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virtual ~cbRowDragPlugin();
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virtual cbPluginBase* Clone() { return new cbRowDragPlugin(NULL,0); }
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virtual void OnInitPlugin();
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// handlers for plugin events (appearence-independent logic)
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void OnMouseMove ( cbMotionEvent& event );
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void OnLButtonDown( cbLeftDownEvent& event );
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void OnLButtonUp ( cbLeftUpEvent& event );
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void OnDrawPaneBackground( cbDrawPaneDecorEvent& event );
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// overridables (appearence-depedent)
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virtual void DrawCollapsedRowIcon( int index, wxDC& dc, bool isHighlighted );
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virtual void DrawCollapsedRowsBorder( wxDC& dc );
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virtual void DrawRowsDragHintsBorder( wxDC& dc );
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virtual void DrawRowDragHint( cbRowInfo* pRow, wxDC& dc, bool isHighlighted );
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virtual void DrawEmptyRow( wxDC& dc, wxRect& rowBounds );
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virtual int GetCollapsedRowIconHeight();
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virtual int GetRowDragHintWidth();
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virtual void SetPaneMargins();
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virtual bool HitTestCollapsedRowIcon( int iconIdx, const wxPoint& pos );
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virtual bool HitTestRowDragHint( cbRowInfo* pRow, const wxPoint& pos );
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DECLARE_EVENT_TABLE()
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};
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// internal helper-class
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class cbHiddenBarInfo : public wxObject
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{
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DECLARE_DYNAMIC_CLASS( cbHiddenBarInfo )
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public:
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cbBarInfo* mpBar;
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int mRowNo;
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int mIconNo;
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int mAlignment;
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};
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#endif /* __ROWDRAGPL_G__ */
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