wxWidgets/contrib/include/wx/fl/rowdragpl.h

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/////////////////////////////////////////////////////////////////////////////
// Name: rowdragpl.h
// Purpose: cbRowDragPlugin class header.
// Author: Aleksandras Gluchovas
// Modified by:
// Created: 06/10/98
// RCS-ID: $Id$
// Copyright: (c) Aleksandras Gluchovas
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __ROWDRAGPL_G__
#define __ROWDRAGPL_G__
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "rowdragpl.h"
#endif
#include "wx/fl/controlbar.h"
/*
This plugin adds row-dragging functionality to the pane.
It handles mouse movement and pane background-erasing plugin events.
The behaviour and appearance resembles drag and drop positioning
of the toolbar rows in Netscape Communicator 4.xx.
*/
class WXFL_DECLSPEC cbRowDragPlugin : public cbPluginBase
{
DECLARE_DYNAMIC_CLASS( cbRowDragPlugin )
public:
// background colours for the highlighted/unhighlighted icons
wxColour mHightColor; // light-blue for NC-look
wxColour mLowColor; // light-gray -/-
wxColour mTrianInnerColor; // blue -/-
wxPen mTrianInnerPen; // black -/-
protected:
friend class cbRowDragPluginSerializer;
// drag & drop state variables
bool mDragStarted;
bool mDecisionMode;
wxPoint mDragOrigin;
int mCurDragOfs;
bool mCaptureIsOn;
// saved margins of the pane
int mSvTopMargin;
int mSvBottomMargin;
int mSvLeftMargin;
int mSvRightMargin;
// on-screen drawing state variables
wxBitmap* mpPaneImage;
wxBitmap* mpRowImage;
wxBitmap* mpCombinedImage;
wxScreenDC* mpScrDc;
wxRect mCombRect;
wxSize mRowImgDim;
int mInitialRowOfs;
// NOTE:: if mpRowInFocus is not NULL, then mCollapsedIconInFocus is -1,
// and v.v. (two different items cannot be in focus at the same time)
cbRowInfo* mpRowInFocus;
int mCollapsedIconInFocus;
cbDockPane* mpPane; // is set up temorarely, while handling event
wxList mHiddenBars;
// Helper for drag and drop.
wxBitmap* CaptureDCArea( wxDC& dc, wxRect& area );
// Helper for drag and drop.
int GetHRowsCountForPane( cbDockPane* pPane );
// Helper for drag and drop.
void SetMouseCapture( bool captureOn );
// Helper for drag and drop.
void PrepareForRowDrag();
// Helper for drag and drop.
void ShowDraggedRow( int offset );
// Helper for drag and drop.
void ShowPaneImage();
// Helper for drag and drop.
void FinishOnScreenDraw();
// Helper for drag and drop.
void CollapseRow( cbRowInfo* pRow );
// Helper for drag and drop.
void ExpandRow( int collapsedIconIdx );
// Helper for drag and drop.
void InsertDraggedRowBefore( cbRowInfo* pBeforeRow );
// Helper for drag and drop.
bool ItemIsInFocus();
// Helper for drag and drop.
void CheckPrevItemInFocus( cbRowInfo* pRow, int iconIdx );
// Helper for drag and drop.
void UnhighlightItemInFocus();
// Helper for drag and drop.
cbRowInfo* GetFirstRow();
// Implements 'hard-coded metafile' for Netscape Navigator look.
virtual void DrawTrianUp( wxRect& inRect, wxDC& dc );
// Implements 'hard-coded metafile' for Netscape Navigator look.
virtual void DrawTrianDown( wxRect& inRect, wxDC& dc );
// Implements 'hard-coded metafile' for Netscape Navigator look.
virtual void DrawTrianRight( wxRect& inRect, wxDC& dc );
// Implements 'hard-coded metafile' for Netscape Navigator look.
virtual void Draw3DPattern( wxRect& inRect, wxDC& dc );
// Implements 'hard-coded metafile' for Netscape Navigator look.
virtual void DrawRombShades( wxPoint& p1, wxPoint& p2, wxPoint& p3, wxPoint& p4, wxDC& dc );
// Implements 'hard-coded metafile' for Netscape Navigator look.
virtual void DrawOrtoRomb( wxRect& inRect, wxDC& dc, wxBrush& bkBrush );
// Implements 'hard-coded metafile' for Netscape Navigator look.
virtual void DrawRomb( wxRect& inRect, wxDC& dc, wxBrush& bkBrush );
// Implements 'hard-coded metafile' for Netscape Navigator look.
virtual void Draw3DRect( wxRect& inRect, wxDC& dc, wxBrush& bkBrush );
// Implements 'hard-coded metafile' for Netscape Navigator look.
virtual void DrawRectShade( wxRect& inRect, wxDC& dc,
int level, wxPen& upperPen, wxPen& lowerPen );
// Helper for drag and drop.
virtual void GetRowHintRect( cbRowInfo* pRow, wxRect& rect );
// Helper for drag and drop.
virtual void GetCollapsedInconRect( int iconIdx, wxRect& rect );
// Helper for drag and drop.
virtual int GetCollapsedIconsPos();
public:
// Default constructor.
cbRowDragPlugin();
// Constructor, taking paren layout frame and pane mask.
cbRowDragPlugin( wxFrameLayout* pLayout, int paneMask = wxALL_PANES );
// Destructor.
virtual ~cbRowDragPlugin();
// Clone function, returning a new instance of this class.
virtual cbPluginBase* Clone() { return new cbRowDragPlugin(NULL,0); }
// Called to initialize this plugin.
virtual void OnInitPlugin();
// Handles mouse move plugin events (appearance-independent logic).
void OnMouseMove ( cbMotionEvent& event );
// Handles left button down plugin events (appearance-independent logic).
void OnLButtonDown( cbLeftDownEvent& event );
// Handles left button up plugin events (appearance-independent logic).
void OnLButtonUp ( cbLeftUpEvent& event );
// Handles pane drawing plugin events (appearance-independent logic).
void OnDrawPaneBackground( cbDrawPaneDecorEvent& event );
// Draws collapsed row icon (appearance-dependent).
virtual void DrawCollapsedRowIcon( int index, wxDC& dc, bool isHighlighted );
// Draws collapsed rows border (appearance-dependent).
virtual void DrawCollapsedRowsBorder( wxDC& dc );
// Draws rows drag hints border (appearance-dependent).
virtual void DrawRowsDragHintsBorder( wxDC& dc );
// Draws row drag hint (appearance-dependent).
virtual void DrawRowDragHint( cbRowInfo* pRow, wxDC& dc, bool isHighlighted );
// Draws empty row (appearance-dependent).
virtual void DrawEmptyRow( wxDC& dc, wxRect& rowBounds );
// Gets the collapsed row icon height.
virtual int GetCollapsedRowIconHeight();
// Gets the row drag hint width.
virtual int GetRowDragHintWidth();
// Sets the pane margins.
virtual void SetPaneMargins();
// Test for the collapsed row icon position.
virtual bool HitTestCollapsedRowIcon( int iconIdx, const wxPoint& pos );
// Test for the row drag hint position.
virtual bool HitTestRowDragHint( cbRowInfo* pRow, const wxPoint& pos );
DECLARE_EVENT_TABLE()
};
/*
Internal helper class.
*/
class WXFL_DECLSPEC cbHiddenBarInfo : public wxObject
{
DECLARE_DYNAMIC_CLASS( cbHiddenBarInfo )
public:
cbBarInfo* mpBar;
int mRowNo;
int mIconNo;
int mAlignment;
};
#endif /* __ROWDRAGPL_G__ */