Support for XISF
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Vendored
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// ____ ______ __
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// / __ \ / ____// /
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// / /_/ // / / /
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// / ____// /___ / /___ PixInsight Class Library
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// /_/ \____//_____/ PCL 2.4.23
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// ----------------------------------------------------------------------------
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// pcl/Dialog.h - Released 2022-03-12T18:59:29Z
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// ----------------------------------------------------------------------------
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// This file is part of the PixInsight Class Library (PCL).
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// PCL is a multiplatform C++ framework for development of PixInsight modules.
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//
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// Copyright (c) 2003-2022 Pleiades Astrophoto S.L. All Rights Reserved.
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//
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// Redistribution and use in both source and binary forms, with or without
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// modification, is permitted provided that the following conditions are met:
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//
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// 1. All redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. All redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
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// of their contributors, may be used to endorse or promote products derived
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// from this software without specific prior written permission. For written
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// permission, please contact info@pixinsight.com.
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//
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// 4. All products derived from this software, in any form whatsoever, must
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// reproduce the following acknowledgment in the end-user documentation
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// and/or other materials provided with the product:
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//
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// "This product is based on software from the PixInsight project, developed
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// by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
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//
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// Alternatively, if that is where third-party acknowledgments normally
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// appear, this acknowledgment must be reproduced in the product itself.
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//
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// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
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// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
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// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// ----------------------------------------------------------------------------
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#ifndef __PCL_Dialog_h
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#define __PCL_Dialog_h
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/// \file pcl/Dialog.h
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#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
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#include <pcl/Defs.h>
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#include <pcl/AutoPointer.h>
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#include <pcl/Control.h>
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namespace pcl
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{
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// ----------------------------------------------------------------------------
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/*!
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* \namespace pcl::StdDialogCode
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* \brief Standard dialog return codes
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*
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* <table border="1" cellpadding="4" cellspacing="0">
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* <tr><td>StdDialogCode::Ok</td> <td>The dialog has been accepted (e.g., by clicking the OK button)</td></tr>
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* <tr><td>StdDialogCode::Cancel</td> <td>The dialog has been rejected (e.g., by clicking the Cancel button)</td></tr>
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* </table>
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*/
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namespace StdDialogCode
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{
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enum value_type
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{
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Cancel = 0, // The dialog has been rejected (e.g., by clicking the Cancel button)
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Ok = 1 // The dialog has been accepted (e.g., by clicking the OK button)
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};
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}
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// ----------------------------------------------------------------------------
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/*!
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* \class Dialog
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* \brief Client-side interface to a PixInsight modal dialog
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*
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* Dialogs are top-level windows that execute modally relative to the main
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* window of the PixInsight core application.
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*/
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class PCL_CLASS Dialog : public Control
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{
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public:
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/*!
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* Represents a standard dialog return code.
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*/
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typedef StdDialogCode::value_type std_code;
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/*!
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* Constructs a %Dialog object.
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*
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* If the specified \a parent control is a non-null control, the dialog will
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* be shown centered over its parent. Otherwise the dialog window will be
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* shown centered on the current workspace. Note that specifying a dialog
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* parent does not change the dialog's \e modality: all dialog windows are
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* application-modal in PixInsight. See the Execute() and Open() member
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* functions for more information.
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*/
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Dialog( Control& parent = Control::Null() );
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/*!
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* Destroys a %Dialog object.
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*/
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virtual ~Dialog()
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{
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}
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/*!
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* Shows a modal dialog and executes a separate event loop.
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*
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* This function creates a new event loop and does not return until the loop
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* has exited and the dialog has been closed. During the event loop, the
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* dialog behaves as an <em>application modal window:</em> Only the dialog
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* window allows user interaction while the rest of the GUI is blocked in
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* the PixInsight core application. To exit the modal event loop, the Ok()
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* and Cancel() member functions can be used to return the standard dialog
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* exit codes StdDialogCode::Ok and StdDialogCode::Cancel, respectively.
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*
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* This function returns a <em>dialog return code</em>. Although dialog
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* return codes are arbitrary (they can be forced to any integer value with
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* the Return() member function), dialogs with standard OK and Cancel
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* buttons should always return a standard code, as defined in the
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* StdDialogCode namespace.
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*
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* For a non-blocking alternative to use dialog windows, see the Open()
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* member function.
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*
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* \sa Ok(), Cancel(), Return(), Open()
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*/
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int Execute();
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/*!
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* Shows a modal dialog window.
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*
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* This function opens the dialog window and returns immediately, allowing
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* normal execution to continue without entering a separate event loop. As
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* happens with Dialog::Execute(), this member function creates a modal
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* dialog that blocks the rest of the PixInsight core application for GUI
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* user interaction. The essential difference between both member functions
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* is that Open() does not enter a new event loop. Typically, this function
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* is used to provide feedback to the user during long procedures, as well
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* as the possibility to interrupt or pause those procedures. For example,
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* a <em>progress dialog</em> can be shown as a modal window during a file
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* copy operation, or while a long calculation routine is being executed.
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*
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* \sa Execute()
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*/
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void Open();
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/*!
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* Closes this modal dialog and forces a return value \a retCode for the
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* Execute() member function.
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*/
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void Return( int retCode );
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/*!
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* This is a convenience member function equivalent to:\n
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* Return( StdDialogCode::Ok )
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*/
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void Ok()
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{
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Return( StdDialogCode::Ok );
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}
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/*!
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* This is a convenience member function equivalent to:\n
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* Return( StdDialogCode::Cancel )
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*/
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void Cancel()
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{
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Return( StdDialogCode::Cancel );
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}
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/*!
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* Returns true iff this dialog is user-resizable. User-resizable dialogs can
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* be resized interactively with the mouse and standard window controls.
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*/
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bool IsUserResizable() const;
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/*!
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* Enables or disables user resizing for this dialog.
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*/
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void EnableUserResizing( bool = true );
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/*!
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* Disables or enables user resizing for this dialog.
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*
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* This is a convenience member function, equivalent to:
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* EnableUserResizing( !disable )
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*/
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void DisableUserResizing( bool disable = true )
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{
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EnableUserResizing( !disable );
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}
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/*!
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* Processes pending user interface events.
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*
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* This member function is a convenience wrapper with the same functionality
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* as ProcessInterface::ProcessEvents().
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*/
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static void ProcessEvents( bool excludeUserInputEvents = false );
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// -------------------------------------------------------------------------
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// Event handlers
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//
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// void OnExecute( Dialog& sender );
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// void OnReturn( Dialog& sender, int retVal );
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/*!
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* \defgroup dialog_event_handlers Dialog Event Handlers
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*/
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/*!
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* Defines the prototype of a <em>dialog execution</em> event handler.
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*
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* A dialog execution event is generated when a dialog control is executed
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* by invoking its Execute() member function.
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*
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* \param sender The dialog that sends an execution event.
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*
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* \ingroup dialog_event_handlers
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*/
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typedef void (Control::*execute_event_handler)( Dialog& sender );
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/*!
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* Defines the prototype of a <em>dialog return</em> event handler.
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*
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* A dialog return event is generated when a dialog control terminates
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* execution by invoking its Return() member function.
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*
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* \param sender The dialog that sends a return event.
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*
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* \param retCode Return code passed to the Return() member function. This
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* is also the return value of Execute().
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*
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* \ingroup dialog_event_handlers
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*/
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typedef void (Control::*return_event_handler)( Dialog& sender, int retCode );
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/*!
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* Sets the execution event handler for this dialog.
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*
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* \param handler The dialog execution event handler. Must be a member
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* function of the receiver object's class.
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*
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* \param receiver The control that will receive execution events from
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* this dialog.
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*
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* \ingroup dialog_event_handlers
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*/
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void OnExecute( execute_event_handler handler, Control& receiver );
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/*!
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* Sets the return event handler for this dialog.
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*
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* \param handler The dialog return event handler. Must be a member
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* function of the receiver object's class.
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*
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* \param receiver The control that will receive return events from this
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* dialog.
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*
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* \ingroup dialog_event_handlers
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*/
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void OnReturn( return_event_handler handler, Control& receiver );
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private:
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struct EventHandlers
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{
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execute_event_handler onExecute = nullptr;
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return_event_handler onReturn = nullptr;
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EventHandlers() = default;
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EventHandlers( const EventHandlers& ) = default;
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EventHandlers& operator =( const EventHandlers& ) = default;
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};
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AutoPointer<EventHandlers> m_handlers;
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friend class DialogEventDispatcher;
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};
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// ----------------------------------------------------------------------------
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} // pcl
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#endif // __PCL_BUILDING_PIXINSIGHT_APPLICATION
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#endif // __PCL_Dialog_h
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// ----------------------------------------------------------------------------
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// EOF pcl/Dialog.h - Released 2022-03-12T18:59:29Z
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