зеркало из https://github.com/mozilla/pjs.git
169 строки
3.6 KiB
C++
169 строки
3.6 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/* A list (single-column; single selection) of c-string data */
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/* variable size data */
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#include "CStringListView.h"
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#include "LTableMultiGeometry.h"
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#include "LTableSingleSelector.h"
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#include "LTableArrayStorage.h"
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void *CStringListView::CreateStringListViewStream( LStream *inStream )
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{
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return new CStringListView( inStream );
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}
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CStringListView::CStringListView( LStream *inStream )
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: LTableView( inStream ), LBroadcaster(), LCommander()
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{
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}
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CStringListView::~CStringListView()
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{
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}
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void CStringListView::FinishCreateSelf()
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{
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// SetUpTableHelpers()
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SetTableGeometry(new LTableMultiGeometry(this, mFrameSize.width, 18));
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SetTableSelector(new LTableSingleSelector(this));
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SetTableStorage(new LTableArrayStorage( this, (Uint32)0 )); // 0 == variable size
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InsertCols( 1, 0, NULL, 0, Refresh_No);
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}
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Boolean CStringListView::GetPreviousRow( STableCell &ioCell) const
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{
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Boolean prevCellExists = true;
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TableIndexT row = ioCell.row - 1; // Previous Cell is in previous row
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if (row > mRows) { // Test if beyond last row
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row = mRows;
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}
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if (row < 1) { // Special test for row zero
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prevCellExists = false;
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row = 0;
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}
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ioCell.SetCell(row, ioCell.col);
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return prevCellExists;
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}
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Boolean CStringListView::HandleKeyPress( const EventRecord &inKeyEvent )
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{
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STableCell c = GetFirstSelectedCell();
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Char16 theChar = inKeyEvent.message & charCodeMask;
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switch ( theChar & charCodeMask )
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{
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case char_UpArrow:
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if ( GetPreviousRow( c ) )
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{
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SelectCell( c );
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ScrollCellIntoFrame( c );
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}
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return true;
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break;
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case char_DownArrow:
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if ( GetNextCell( c ) )
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{
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SelectCell( c );
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ScrollCellIntoFrame( c );
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}
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return true;
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break;
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case char_Home:
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c.row = 1;
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if ( IsValidCell( c ) )
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{
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SelectCell( c );
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ScrollCellIntoFrame( c );
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}
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return true;
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break;
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case char_End:
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{
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TableIndexT rows, cols;
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GetTableSize( rows, cols );
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c.row = rows;
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if ( IsValidCell( c ) )
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{
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SelectCell( c );
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ScrollCellIntoFrame( c );
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}
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return true;
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}
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break;
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}
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return LCommander::HandleKeyPress( inKeyEvent );
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}
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void CStringListView::DontBeTarget()
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{
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UnselectAllCells();
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}
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void CStringListView::BeTarget()
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{
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}
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void CStringListView::DrawCell( const STableCell &inCell, const Rect &inLocalRect )
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{
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Rect textRect = inLocalRect;
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::InsetRect(&textRect, 2, 0);
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Str255 str;
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Uint32 len = sizeof(str);
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GetCellData(inCell, str, len);
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Int16 just = teJustLeft;
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UTextDrawing::DrawWithJustification((Ptr) str, len, textRect, just);
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}
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void CStringListView::ClickCell( const STableCell &inCell, const SMouseDownEvent &inMouseDown )
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{
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LTableView::ClickCell( inCell, inMouseDown );
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// technically this isn't 100% accurate since the cell might already be selected
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// in which case the selection hasn't changed...
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BroadcastMessage( msg_SelectionChanged, this );
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}
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