зеркало из https://github.com/mozilla/gecko-dev.git
338 строки
9.4 KiB
C++
338 строки
9.4 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 "CTableKeyAttachment.h"
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#include <PP_KeyCodes.h>
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#include "StSetBroadcasting.h"
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#include "CSpecialTableView.h"
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//testing
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#include "XP_Trace.h"
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CTableKeyAttachment::CTableKeyAttachment(CSpecialTableView* inView)
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: LKeyScrollAttachment(inView)
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{
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mTableView = dynamic_cast<CSpecialTableView*>(mViewToScroll);
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Assert_(mTableView);
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// set getting keyups to bullet-proof us from someone messing with the System Event Mask
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mGettingKeyUps = (::LMGetSysEvtMask() & keyUpMask);
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}
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CTableKeyAttachment::~CTableKeyAttachment()
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{
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}
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void CTableKeyAttachment::ExecuteSelf(
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MessageT inMessage,
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void *ioParam)
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{
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// In communicator, keyup events are turned on. This is for the benefit of Java
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// applets, and we don't want to handle them for key scrolling in tables.
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// Well, we do actually. If we get a keyDown event, or autokey events, we don't
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// want to update the list until the user lets go. So we turn off broadcasting
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// until we get a keyUp. We also don't want to change the selection on the keyup,
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// since we've already done that for the corresponding keyDown/autoKey.
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if (inMessage != msg_KeyPress)
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return;
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EventRecord* eventParam = (EventRecord *)ioParam;
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mExecuteHost = false;
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Int16 theKey = eventParam->message & charCodeMask;
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//Boolean bCommandDown = (eventParam->modifiers & cmdKey) != 0;
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Boolean bShiftDown = (eventParam->modifiers & shiftKey) != 0;
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//Boolean bOptionDown = (eventParam->modifiers & optionKey) != 0;
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Boolean bControlDown = (eventParam->modifiers & controlKey) != 0;
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// get the table dimensions
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TableIndexT theRowCount, theColCount;
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mTableView->GetTableSize(theRowCount, theColCount);
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if (mGettingKeyUps)
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{
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if (theKey == char_DownArrow || theKey == char_UpArrow)
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{
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if (eventParam->what == keyDown || eventParam->what == autoKey) {
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mTableView->SetNotifyOnSelectionChange(false);
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} else if (eventParam->what == keyUp)
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{
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mTableView->SetNotifyOnSelectionChange(true);
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mTableView->SelectionChanged();
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return;
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}
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} else {
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// the only key-ups we want are arrows, and we've already done all we need with them
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if (eventParam->what == keyUp)
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return;
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}
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}
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switch (theKey)
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{
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case char_PageUp:
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case char_PageDown:
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LKeyScrollAttachment::ExecuteSelf(inMessage, ioParam);
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break;
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case char_DownArrow:
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if (!bControlDown)
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{
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// Get the last currently selected cell
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STableCell afterLastSelectedCell, theCell; // inited to 0,0 in constructor
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// Keep a copy of theCell, because GetNextSelectedCell clobbers it if
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// there are no more selected cells.
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while (mTableView->GetNextSelectedCell(theCell))
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{
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theCell.row++;
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afterLastSelectedCell = theCell;
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}
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if (afterLastSelectedCell.row == 0) // there were none selected
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{
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theCell.row = theRowCount;
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theCell.col = 1;
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}
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else
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{
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theCell = afterLastSelectedCell;
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}
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if (mTableView->IsValidCell(theCell))
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SelectCell(theCell, bShiftDown);
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break;
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}
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// else falls through
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case char_End:
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{
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STableCell theLastCell(theRowCount, theColCount);
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SelectCell(theLastCell, bShiftDown);
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}
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break;
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case char_UpArrow:
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if (!bControlDown)
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{
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// Get the first currently selected cell
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STableCell theCell; // inited to 0,0 in constructor
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if (mTableView->GetNextSelectedCell(theCell))
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theCell.row--;
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else
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{
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theCell.row = 1;
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theCell.col = 1;
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}
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if (mTableView->IsValidCell(theCell))
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SelectCell(theCell, bShiftDown);
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break;
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}
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// else falls through
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case char_Home:
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{
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STableCell theFirstCell(1,1);
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if (mTableView->IsValidCell(theFirstCell))
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SelectCell(theFirstCell, bShiftDown);
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}
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break;
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default:
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mExecuteHost = true; // Some other key, let host respond
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break;
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}
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}
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void
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CTableKeyAttachment::SelectCell( const STableCell& inCell, Boolean multiple)
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{
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if (!multiple)
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{
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StSetBroadcasting saveBroadcastState((CStandardFlexTable *)mTableView, false);
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mTableView->UnselectAllCells();
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}
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mTableView->ScrollCellIntoFrame(inCell); // Do this before selecting (avoids turds)
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mTableView->SelectCell(inCell);
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}
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#pragma mark -
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CTableRowKeyAttachment::CTableRowKeyAttachment(CSpecialTableView* inView)
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: CTableKeyAttachment(inView)
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{
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}
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CTableRowKeyAttachment::~CTableRowKeyAttachment()
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{
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}
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void CTableRowKeyAttachment::ExecuteSelf(MessageT inMessage, void *ioParam)
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{
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// In communicator, keyup events are turned on. This is for the benefit of Java
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// applets, and we don't want to handle them for key scrolling in tables.
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// Well, we do actually. If we get a keyDown event, or autokey events, we don't
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// want to update the list until the user lets go. So we turn off broadcasting
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// until we get a keyUp. We also don't want to change the selection on the keyup,
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// since we've already done that for the corresponding keyDown/autoKey.
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if (inMessage != msg_KeyPress)
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return;
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EventRecord* eventParam = (EventRecord *)ioParam;
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mExecuteHost = false;
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Int16 theKey = eventParam->message & charCodeMask;
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Boolean bShiftDown = (eventParam->modifiers & shiftKey) != 0;
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Boolean bControlDown = (eventParam->modifiers & controlKey) != 0;
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// get the table dimensions
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TableIndexT theRowCount, theColCount;
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mTableView->GetTableSize(theRowCount, theColCount);
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if (mGettingKeyUps)
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{
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if (theKey == char_DownArrow || theKey == char_UpArrow)
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{
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if (eventParam->what == keyDown || eventParam->what == autoKey) {
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mTableView->SetNotifyOnSelectionChange(false);
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} else if (eventParam->what == keyUp)
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{
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mTableView->SetNotifyOnSelectionChange(true);
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mTableView->SelectionChanged();
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return;
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}
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} else {
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// the only key-ups we want are arrows, and we've already done all we need with them
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if (eventParam->what == keyUp)
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return;
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}
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}
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switch (theKey)
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{
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case char_PageUp:
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case char_PageDown:
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LKeyScrollAttachment::ExecuteSelf(inMessage, ioParam);
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break;
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case char_DownArrow:
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if (!bControlDown)
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{
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// Get the last currently selected row
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TableIndexT rows, cols;
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mTableView->GetTableSize(rows, cols);
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STableCell theCell(rows, 1);
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// We don't want to use GetNextCell() here, because we don't want
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// the overhead of stepping through each cell on the row. We know
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// that all the cells in a selected row are selected.
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while (mTableView->IsValidRow(theCell.row))
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{
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if ( mTableView->CellIsSelected(theCell) )
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break;
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theCell.row --;
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}
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if (mTableView->IsValidRow(theCell.row) ) // get the one after the selected cell
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theCell.row ++;
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else // select the last cell
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{
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theCell.row = rows;
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theCell.col = 1;
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}
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if (mTableView->IsValidCell(theCell))
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SelectCell(theCell, bShiftDown);
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break;
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}
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// else falls through
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case char_End:
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{
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STableCell theLastCell(theRowCount, 1); // still the first column
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SelectCell(theLastCell, bShiftDown);
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}
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break;
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case char_UpArrow:
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if (!bControlDown)
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{
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// Get the first currently selected row
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STableCell theCell(1, 1);
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while (mTableView->IsValidRow(theCell.row))
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{
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if ( mTableView->CellIsSelected(theCell) )
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break;
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theCell.row ++;
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}
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if (mTableView->IsValidRow(theCell.row) ) // get the one before the selected cell
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theCell.row --;
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else // select the first cell
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{
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theCell.row = 1;
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theCell.col = 1;
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}
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if (mTableView->IsValidCell(theCell))
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SelectCell(theCell, bShiftDown);
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break;
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}
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// else falls through
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case char_Home:
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{
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STableCell theFirstCell(1, 1);
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if (mTableView->IsValidCell(theFirstCell))
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SelectCell(theFirstCell, bShiftDown);
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}
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break;
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default:
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mExecuteHost = true; // Some other key, let host respond
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break;
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}
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}
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