gecko-dev/lib/mac/UserInterface/CStringListView.cp

169 lines
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/* A list (single-column; single selection) of c-string data */
/* variable size data */
#include "CStringListView.h"
#include "LTableMultiGeometry.h"
#include "LTableSingleSelector.h"
#include "LTableArrayStorage.h"
void *CStringListView::CreateStringListViewStream( LStream *inStream )
{
return new CStringListView( inStream );
}
CStringListView::CStringListView( LStream *inStream )
: LTableView( inStream ), LBroadcaster(), LCommander()
{
}
CStringListView::~CStringListView()
{
}
void CStringListView::FinishCreateSelf()
{
// SetUpTableHelpers()
SetTableGeometry(new LTableMultiGeometry(this, mFrameSize.width, 18));
SetTableSelector(new LTableSingleSelector(this));
SetTableStorage(new LTableArrayStorage( this, (Uint32)0 )); // 0 == variable size
InsertCols( 1, 0, NULL, 0, Refresh_No);
}
Boolean CStringListView::GetPreviousRow( STableCell &ioCell) const
{
Boolean prevCellExists = true;
TableIndexT row = ioCell.row - 1; // Previous Cell is in previous row
if (row > mRows) { // Test if beyond last row
row = mRows;
}
if (row < 1) { // Special test for row zero
prevCellExists = false;
row = 0;
}
ioCell.SetCell(row, ioCell.col);
return prevCellExists;
}
Boolean CStringListView::HandleKeyPress( const EventRecord &inKeyEvent )
{
STableCell c = GetFirstSelectedCell();
Char16 theChar = inKeyEvent.message & charCodeMask;
switch ( theChar & charCodeMask )
{
case char_UpArrow:
if ( GetPreviousRow( c ) )
{
SelectCell( c );
ScrollCellIntoFrame( c );
}
return true;
break;
case char_DownArrow:
if ( GetNextCell( c ) )
{
SelectCell( c );
ScrollCellIntoFrame( c );
}
return true;
break;
case char_Home:
c.row = 1;
if ( IsValidCell( c ) )
{
SelectCell( c );
ScrollCellIntoFrame( c );
}
return true;
break;
case char_End:
{
TableIndexT rows, cols;
GetTableSize( rows, cols );
c.row = rows;
if ( IsValidCell( c ) )
{
SelectCell( c );
ScrollCellIntoFrame( c );
}
return true;
}
break;
}
return LCommander::HandleKeyPress( inKeyEvent );
}
void CStringListView::DontBeTarget()
{
UnselectAllCells();
}
void CStringListView::BeTarget()
{
}
void CStringListView::DrawCell( const STableCell &inCell, const Rect &inLocalRect )
{
Rect textRect = inLocalRect;
::InsetRect(&textRect, 2, 0);
Str255 str;
Uint32 len = sizeof(str);
GetCellData(inCell, str, len);
Int16 just = teJustLeft;
UTextDrawing::DrawWithJustification((Ptr) str, len, textRect, just);
}
void CStringListView::ClickCell( const STableCell &inCell, const SMouseDownEvent &inMouseDown )
{
LTableView::ClickCell( inCell, inMouseDown );
// technically this isn't 100% accurate since the cell might already be selected
// in which case the selection hasn't changed...
BroadcastMessage( msg_SelectionChanged, this );
}