зеркало из https://github.com/mozilla/pjs.git
122 строки
3.4 KiB
C++
122 строки
3.4 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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//
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// Mike Pinkerton, Netscape Communications
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//
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// A version of the contextual menu attachment that generates the menu from
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// the RDF backend.
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//
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#include "CNavCenterContextMenuAtt.h"
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#include "CHyperTreeFlexTable.h"
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#include "Netscape_constants.h"
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#include "CNavCenterSelectorPane.h"
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#include "URDFUtilities.h"
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extern RDF_NCVocab gNavCenter; // RDF vocab struct for NavCenter
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//
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// ConvertHTCommandToPPCommand
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//
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// The HyperTree has its own constants that represent the commands supplied by the
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// backend. In order to make the HT commands live in a powerplant world, we have to
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// convert them. This (simply) involves adding a base constant to the HT command to make the
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// appropriate PP command.
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//
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CommandT
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CNavCenterContextMenuAttachment :: ConvertHTCommandToPPCommand ( HT_MenuCmd inCmd )
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{
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return inCmd + cmd_NavCenterBase;
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} // ConvertHTCommandToPPCommand
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//
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// BuildMenu
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//
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// Overridden to create the menu from the RDF backend instead of from a resource.
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//
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LMenu*
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CNavCenterContextMenuAttachment :: BuildMenu ( )
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{
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LMenu* menu = new LMenu(32001); // load empty menu to fill in
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HT_Cursor curs = NewHTContextMenuCursor();
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if ( !curs || !menu )
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return NULL;
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HT_MenuCmd menuItem;
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short after = 0;
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while ( HT_NextContextMenuItem(curs, &menuItem) ) {
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LStr255 itemName;
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if ( menuItem == HT_CMD_SEPARATOR )
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itemName = "\p-";
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else
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itemName = HT_GetMenuCmdName(menuItem);
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menu->InsertCommand ( itemName, ConvertHTCommandToPPCommand(menuItem),
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after );
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after++;
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}
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HT_DeleteContextMenuCursor ( curs );
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return menu;
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} // BuildMenu
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//
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// NewHTContextMenuCursor
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//
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// Create the HT context menu cursor that is appropriate for this tree view
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//
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HT_Cursor
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CNavCenterContextMenuAttachment :: NewHTContextMenuCursor ( )
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{
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PRBool clickInBackground = PR_TRUE;
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CHyperTreeFlexTable* table = dynamic_cast<CHyperTreeFlexTable*>(mOwnerHost);
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Assert_(table != NULL);
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if ( table ) {
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TableIndexT selectedRow = 0;
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if ( table->GetNextSelectedRow(selectedRow) )
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clickInBackground = PR_FALSE;
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// only allow context menu if the "useSelection" flag is true for the current view
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if ( URDFUtilities::PropertyValueBool(HT_TopNode(table->GetHTView()), gNavCenter->useSelection) )
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return NULL;
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}
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return HT_NewContextualMenuCursor ( table->GetHTView(), PR_FALSE, clickInBackground );
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} // NewHTContextMenuCursor
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//
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// PruneMenu
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//
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// Override to not do anything, since HT already prunes the list for us. The return
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// value is used as the default item, and we don't care about a default (as long as
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// this value is > 0).
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//
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UInt16
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CNavCenterContextMenuAttachment :: PruneMenu ( LMenu* /*inMenu*/ )
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{
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return 1;
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} // PruneMenu
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