зеркало из https://github.com/mozilla/gecko-dev.git
296 строки
10 KiB
C++
296 строки
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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// mfinder.h
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#pragma once
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#include "PascalString.h"
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#include "prtypes.h"
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#define WIGLY_LEFT_OFFSET 0
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#define ICON_WIDTH 16
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#define ICON_HEIGHT 16
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#define LEVEL_OFFSET 10
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#define NO_COLUMN -1
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#define HEADER_ROW -2
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#define NO_CELL 0
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#define LAST_CELL 0xFFFF
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#define HIER_COLUMN 0
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#define WIGLY_CLOSED_ICON 3060
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#define WIGLY_OPEN_ICON 3061
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#define WIGLY_INBETWEEN_ICON 3062
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#define FOLDER_ICON 3064
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#define SETFLAG( x, f ) ((x)|=(f))
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#define CLEARFLAG( x, f ) ((x)&=~(f))
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#define NUM_COLUMNS 10
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#define DRAG_NONE 0
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#define DRAG_INSIDE 1
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#define DRAG_AFTER 2
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#define DRAG_BEFORE 3
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// Gets around horrible bug in Apple's ::TruncText call
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// that manifests itself in certain cases if you try to
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// truncate in the middle
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#define CUSTOM_MIDDLE_TRUNCATION 666
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void MiddleTruncationThatWorks(char *s, Int16 &ioLength, Int16 availableSpace);
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void MiddleTruncationThatWorks(StringPtr s, SInt16 availableSpace);
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class LFinderView;
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typedef Point Cell;
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#include <LView.h>
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#include <LDragAndDrop.h>
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#include <LCommander.h>
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class LFinderHeader: public LView
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{
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public:
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enum { class_ID = 'FNHD' };
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LFinderHeader();
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LFinderHeader( LStream* inStream );
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virtual void SetFinderView( LFinderView* finder ) { fFinder = finder; }
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virtual void DrawSelf();
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virtual void ClickSelf( const SMouseDownEvent& where );
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virtual void AdjustCursorSelf( Point inPortPt, const EventRecord& inMacEvent );
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virtual void DrawColumn( UInt16 column );
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virtual void TrackReorderColumns( const SMouseDownEvent& where, UInt16 column );
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protected:
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LFinderView* fFinder;
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ResIDT fTextTraits;
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};
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class LFinderView: public LView,
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public LDragAndDrop,
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public LCommander
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{
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public:
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friend class LFinderHeader;
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enum { class_ID = 'FDTA' };
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LFinderView( LStream* inStream );
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virtual void FinishCreateSelf();
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virtual void CaculateFontRect();
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virtual Boolean IsCellSelected( Int32 /* cell */ ) { return FALSE; }
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virtual UInt32 CellIndentLevel( Int32 /* cell */ ) { return 0; }
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virtual ResIDT CellIcon( Int32 /* cell */ ) { return 0; }
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virtual Boolean IsCellHeader( Int32 /* cell */ ) { return FALSE; }
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virtual Boolean IsHeaderFolded( Int32 /* cell */ ) { return FALSE; }
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virtual void CellText( Int32 /* cell */, CStr255& text )
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{ text = CStr255::sEmptyString; }
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virtual Style CellTextStyle( Int32 /* cell */ ) { return normal; }
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virtual Style ColumnTextStyle( UInt16 /* column */ ) { return normal; }
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virtual TruncCode ColumnTruncationStyle( UInt16 /* column */ ) { return smTruncEnd; }
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// <20><><EFBFBD>override
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virtual void* GetCellData( UInt32 /* cell */ ) { return NULL; }
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virtual Boolean SyncDisplay( UInt32 /* visCells */ ) { return FALSE; } // Resize the view to the number of bookmarks
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virtual void SelectItem( const EventRecord& /* rec */, UInt32 /* cell */, Boolean /* refresh */ ) { }
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virtual void FoldHeader( UInt32 /* cell */, Boolean /* fold */, Boolean /* refresh */, Boolean /* foldAll */ ) { }
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virtual void DoDoubleClick( UInt32 cell, const EventRecord &event );
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virtual void ClearSelection() { }
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virtual UInt32 GetVisibleCount() { return 0; }
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virtual UInt32 FirstSelectedCell() { return 0; }
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virtual void GetCellRect( UInt32 cell, Rect& rect );
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virtual void GetColumnRect( UInt32 cell, UInt16 columnID, Rect& r );
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virtual void RevealCell( UInt32 cell );
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virtual UInt16 GetNumberOfColumns() { return fNumberColumns; }
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virtual void GetColumnTitle( UInt16 column, CStr255& title );
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virtual UInt16 GetColumnHeight() { return fCellHeight; }
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virtual void RefreshCells( Int32 first, Int32 last,
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Boolean rightAway ); // Using refresh, or right away?
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virtual void SwapColumns( UInt16 columnA, UInt16 columnB );
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virtual void SortByColumnNumber( UInt16 column, Boolean switchOrder );
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virtual Int16 InResizableColumnBar( const Point where );
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virtual Int16 InColumn( const Point where );
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virtual void TrackResizeColumn( const SMouseDownEvent& where, UInt32 cell, Int16 column );
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// <20><> PowerPlant overrides
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virtual void ActivateSelf();
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virtual void DeactivateSelf();
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virtual void DrawSelf();
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virtual Boolean FocusDraw(LPane* inSubPane = nil);
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virtual Boolean HandleKeyPress( const EventRecord& inEvent );
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virtual Boolean ObeyCommand( CommandT inCommand, void* ioParam );
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virtual void ClickSelf( const SMouseDownEvent& where );
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virtual void ResizeFrameBy( Int16 inWidthDelta, Int16 inHeightDelta, Boolean inRefresh );
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virtual void PutOnDuty(LCommander* inNewTarget);
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virtual void TakeOffDuty();
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// <20><><EFBFBD>drag & drop
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virtual void AddFlavors( DragReference inDragRef );
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virtual void MakeDragRegion( DragReference inDragRef, RgnHandle dragRegion );
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virtual void InsideDropArea( DragReference inDragRef );
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virtual void LeaveDropArea( DragReference inDragRef );
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virtual void DoDragSendData( FlavorType /* flavor */, ItemReference /* itemRef */, DragReference /* dragRef */ ) { }
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virtual Boolean ItemIsAcceptable( DragReference /* inDragRef */, ItemReference /* inItemRef */ ) { return FALSE; }
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virtual void ReceiveDragItem( DragReference /* inDragRef */, DragAttributes /* inDragAttrs */,
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ItemReference /* inItemRef */, Rect& /* inItemBounds */ ) { }
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virtual void HiliteDropArea( DragReference /* inDragRef */ ) { }
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void SetForeColor( const RGBColor& fore );
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void SetBackColor( const RGBColor& back );
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virtual void DrawIcon( Handle iconSuite,
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Boolean selected,
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const Rect& where );
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virtual void DrawText( const Style& style,
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const CStr255& text,
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const Rect& where,
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const TruncCode& trunc );
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virtual void SavePlace( LStream* inStream );
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virtual void RestorePlace( LStream* inStream );
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virtual void RefreshHeader();
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virtual void DragScroll(DragReference /* theDragRef */) { }
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protected:
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struct DropLocation
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{
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UInt32 cell;
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UInt32 where;
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};
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// <20><> cell drawing
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// override
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virtual UInt32 FetchCellAt( SPoint32& imagePt ); // Cell at this coordinate
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virtual void KeyUp( const EventRecord& event );
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virtual void KeyDown( const EventRecord& event );
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virtual void KeyEnter( const EventRecord& event );
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virtual void KeyHome( const EventRecord& event );
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virtual void KeyEnd( const EventRecord& event );
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virtual void KeyPageUp( const EventRecord& event );
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virtual void KeyPageDown( const EventRecord& event );
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virtual void RefreshSelectedCells();
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// <20><> access
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virtual void GetVisibleCells( UInt32& top, UInt32& bottom ); // Get visible cells
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virtual void DrawCellAt( UInt32 cell ); // Draw the cell
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virtual void DrawCellColumn( UInt32 cell, UInt16 column );
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virtual Int16 GetClickKind( const SMouseDownEvent& where, UInt32 cell,
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Boolean& inBar ); // Where did we click?
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virtual void DoResizeColumn( Int16 column, Int16 delta, Boolean inRefresh );
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virtual Boolean DispatchClick( const SMouseDownEvent& where, UInt32 cell, Int16 column );
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virtual Boolean TrackHeader( const SMouseDownEvent& where, UInt16 column );
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void LocalToGlobalRect( Rect& r );
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Boolean SectCellRect( UInt32 cell, Rect r ); // Does cell intersect this local rect?
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virtual void HighlightDropLocation( Boolean show ); // TRUE to show highlight, FALSE to hide
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virtual void MakeDragTask( const SMouseDownEvent & /* where */ ) { }
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virtual Boolean ResizeTo( UInt32 newHeight, UInt32 newWidth );
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virtual void DrawHierarchy( UInt32 cell );
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virtual Boolean CanDrawHierarchy( UInt32 cell );
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virtual void TrackWigly( const SMouseDownEvent& where, UInt32 cell );
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virtual void TrackCell( const SMouseDownEvent& where, UInt32 cell );
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virtual void TrackSpace( const SMouseDownEvent& where, UInt32 cell );
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virtual Boolean TrackMark( UInt16 columnID, const SMouseDownEvent& where, UInt32 cell,
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UInt16 drawIconID, UInt16 notDrawIconID );
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virtual void GetWiglyRect( UInt32 cell, Rect& rect );
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virtual void GetIconRect( UInt32 cell, Rect& rect );
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virtual void GetTextRect( UInt32 cell, Rect& rect );
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virtual void HighlightCell( UInt32 cell );
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virtual Boolean ColumnText( UInt32 cell, UInt16 column, CStr255& text );
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virtual void AdjustCursorSelf( Point inPortPt, const EventRecord& inMacEvent );
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virtual void RemoveColumn( UInt16 column );
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virtual void InsertColumn( UInt16 before, UInt16 columnID, UInt16 width );
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virtual void DrawText( const Style& style,
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const CStr255& text,
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const Rect& where,
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const TruncCode& trunc,
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ResIDT inTextTraits,
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Int16 baseline );
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Boolean fClipImage;
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Boolean fAllowsRectSelection;
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Boolean fAllowsKeyNavigation;
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Boolean fHighlightRow;
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UInt16 fCellHeight;
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UInt16 fBaseline;
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ResIDT fTextTraits; // Font
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RGBColor fForeColor;
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RGBColor fBackColor;
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Int16 fNumberColumns;
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Int16 fColumnOffsets[ NUM_COLUMNS ];
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Int16 fColumnIDs[ NUM_COLUMNS ];
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LFinderHeader* fHeader;
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DropLocation fDragTarget;
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SBooleanRect fDragLeaveDirection;
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};
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class LDragFinderTask: public LDragTask
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{
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public:
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LDragFinderTask( const EventRecord& inEventRecord, LFinderView* view );
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virtual ~LDragFinderTask();
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virtual void AddFlavors( DragReference inDragRef );
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virtual void MakeDragRegion( DragReference inDragRef, RgnHandle inDragRegion );
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protected:
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static pascal OSErr ScrollingTracker( DragTrackingMessage message,
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WindowPtr theWindow,
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void * handlerRefCon,
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DragReference theDragRef );
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DragTrackingHandlerUPP fTrackerProc;
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LFinderView* fView;
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};
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