mirror of
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224 lines
6.4 KiB
C++
224 lines
6.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "CSelectionBroadcastingList.h"
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#include <LStream.h>
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// ---------------------------------------------------------------------------
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// ¥ CreateFromStream [static]
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// ---------------------------------------------------------------------------
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void*
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CSelectionBroadcastingList::CreateFromStream(
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LStream *inStream)
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{
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return (new CSelectionBroadcastingList(inStream));
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}
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// ---------------------------------------------------------------------------
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// ¥ CSelectionBroadcastingList
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// ---------------------------------------------------------------------------
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CSelectionBroadcastingList::CSelectionBroadcastingList(
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LStream *inStream)
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: fAllowSelectionChange(true),
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super(inStream)
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{
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inStream->ReadData(&fMessage, sizeof(fMessage));
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}
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// ---------------------------------------------------------------------------
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// ¥ ~CSelectionBroadcastingList
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// ---------------------------------------------------------------------------
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CSelectionBroadcastingList::~CSelectionBroadcastingList()
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{
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}
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// ---------------------------------------------------------------------------
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// ¥ SetBroadcastMessage
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// ---------------------------------------------------------------------------
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void
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CSelectionBroadcastingList::SetBroadcastMessage(MessageT inMessage)
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{
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fMessage = inMessage;
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}
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// ---------------------------------------------------------------------------
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// ¥ GetBroadcastMessage
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// ---------------------------------------------------------------------------
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MessageT
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CSelectionBroadcastingList::GetBroadcastMessage()
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{
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return fMessage;
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}
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// ---------------------------------------------------------------------------
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// ¥ SetValue
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// ---------------------------------------------------------------------------
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void
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CSelectionBroadcastingList::SetValue(Int32 inValue)
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{
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if (fAllowSelectionChange)
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{
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super::SetValue(inValue);
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BroadcastMessage(fMessage, this);
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}
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}
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// ---------------------------------------------------------------------------
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// ¥ DoNavigationKey
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// ---------------------------------------------------------------------------
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void
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CSelectionBroadcastingList::DoNavigationKey(
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const EventRecord &inKeyEvent)
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{
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int before = NumCellsSelected();
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if (fAllowSelectionChange)
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{
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super::DoNavigationKey(inKeyEvent);
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// if num selected hasn't changed, then don't send message
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if (NumCellsSelected() != before)
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BroadcastMessage(fMessage, this);
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}
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}
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// ---------------------------------------------------------------------------
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// ¥ DoTypeSelection
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// ---------------------------------------------------------------------------
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void
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CSelectionBroadcastingList::DoTypeSelection(
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const EventRecord& inKeyEvent)
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{
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if (fAllowSelectionChange)
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{
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super::DoTypeSelection(inKeyEvent);
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BroadcastMessage(fMessage, this);
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}
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}
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// ---------------------------------------------------------------------------
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// ¥ SelectOneCell
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// ---------------------------------------------------------------------------
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void
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CSelectionBroadcastingList::SelectOneCell(
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Cell inCell)
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{
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if (fAllowSelectionChange)
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{
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super::SelectOneCell(inCell);
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BroadcastMessage(fMessage, this);
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}
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}
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// ---------------------------------------------------------------------------
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// ¥ ClickSelf
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// ---------------------------------------------------------------------------
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void
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CSelectionBroadcastingList::ClickSelf(
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const SMouseDownEvent &inMouseDown)
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{
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int before = NumCellsSelected();
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if (fAllowSelectionChange)
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{
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super::ClickSelf(inMouseDown);
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// if num selected hasn't changed, then don't send message
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if (NumCellsSelected() != before)
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BroadcastMessage(fMessage, this);
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}
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}
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// ---------------------------------------------------------------------------
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// ¥ DontAllowSelectionChange
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// ---------------------------------------------------------------------------
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void
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CSelectionBroadcastingList::DontAllowSelectionChange()
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{
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fAllowSelectionChange = false;
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}
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// ---------------------------------------------------------------------------
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// ¥ AllowSelectionChange
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// ---------------------------------------------------------------------------
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void
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CSelectionBroadcastingList::AllowSelectionChange()
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{
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fAllowSelectionChange = true;
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}
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// ---------------------------------------------------------------------------
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// ¥ NumCellsSelected
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// ---------------------------------------------------------------------------
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int
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CSelectionBroadcastingList::NumCellsSelected()
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{
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int numSelected = 0;
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Cell currentCell = {0, 0};
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Boolean hasSelection = ::LGetSelect(true, ¤tCell, mMacListH);
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if (hasSelection)
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{
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do
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{
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if (::LGetSelect(true, ¤tCell, mMacListH))
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numSelected++;
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} while (::LNextCell(true, true, ¤tCell, mMacListH));
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}
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return numSelected;
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}
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