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tenmon/3rdparty/include/pcl/ComboBox.h
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2022-04-12 08:17:18 +02:00

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// ____ ______ __
// / __ \ / ____// /
// / /_/ // / / /
// / ____// /___ / /___ PixInsight Class Library
// /_/ \____//_____/ PCL 2.4.23
// ----------------------------------------------------------------------------
// pcl/ComboBox.h - Released 2022-03-12T18:59:29Z
// ----------------------------------------------------------------------------
// This file is part of the PixInsight Class Library (PCL).
// PCL is a multiplatform C++ framework for development of PixInsight modules.
//
// Copyright (c) 2003-2022 Pleiades Astrophoto S.L. All Rights Reserved.
//
// Redistribution and use in both source and binary forms, with or without
// modification, is permitted provided that the following conditions are met:
//
// 1. All redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. All redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
// of their contributors, may be used to endorse or promote products derived
// from this software without specific prior written permission. For written
// permission, please contact info@pixinsight.com.
//
// 4. All products derived from this software, in any form whatsoever, must
// reproduce the following acknowledgment in the end-user documentation
// and/or other materials provided with the product:
//
// "This product is based on software from the PixInsight project, developed
// by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
//
// Alternatively, if that is where third-party acknowledgments normally
// appear, this acknowledgment must be reproduced in the product itself.
//
// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// ----------------------------------------------------------------------------
#ifndef __PCL_ComboBox_h
#define __PCL_ComboBox_h
/// \file pcl/ComboBox.h
#ifndef __PCL_BUILDING_PIXINSIGHT_APPLICATION
#include <pcl/Defs.h>
#include <pcl/AutoPointer.h>
#include <pcl/Bitmap.h>
#include <pcl/Control.h>
namespace pcl
{
// ----------------------------------------------------------------------------
/*!
* \class ComboBox
* \brief Client-side interface to a PixInsight %ComboBox control
*
* ### TODO: Write a detailed description for %ComboBox
*/
class PCL_CLASS ComboBox : public Control
{
public:
/*!
* Constructs a %ComboBox as a child control of \a parent.
*/
ComboBox( Control& parent = Control::Null() );
/*!
* Destroys a %ComboBox control.
*/
virtual ~ComboBox()
{
}
/*!
* Returns the total number of items in this %ComboBox control.
*/
int NumberOfItems() const;
/*!
* Returns the index of the current item in this combo box, or -1 if no item
* is currently selected in this combo box.
*/
int CurrentItem() const;
/*!
* Selects a combo box item with the specified \a index.
*/
void SetCurrentItem( int index );
/*!
* Finds an item in this combo box. Returns the index of the item found, or
* -1 if no item was found that matches the specified criteria.
*
* \param text Text to find.
*
* \param fromIdx Starting index from which the search will begin.
*
* \param exactMatch Whether the search will succeed only if an exact
* match is found, or a partial match is sufficient.
*
* \param caseSensitive True for a case-sensitive search.
*/
int FindItem( const String& text, int fromIdx = 0, bool exactMatch = false, bool caseSensitive = false ) const;
/*!
* Inserts a new item in this combo box.
*
* \param index Insertion point. If an index greater than or equal to the
* current length is specified, the new item is appended to
* the end of the current set of items. If the index is less
* than or equal to zero, the new item will be prepended to
* the current list of items.
*
* \param text Text for the new item.
*
* \param icon Item icon.
*/
void InsertItem( int index, const String& text, const Bitmap& icon = Bitmap::Null() );
/*!
* Adds a new item at the end of this combo box.
*
* This is a convenience function, equivalent to:
* InsertItem( NumberOfItems(), text, icon )
*/
void AddItem( const String& text, const Bitmap& icon = Bitmap::Null() )
{
InsertItem( NumberOfItems(), text, icon );
}
/*!
* Inserts a list of combo box items.
*
* \param index Insertion point. If an index greater than or equal to the
* current length is specified, the new items are appended to
* the end of the current set of items. If the index is less
* than or equal to zero, the new items will be prepended to
* the current list of items.
*
* \param i,j Two forward iterators defining a range of contiguous
* strings that correspond to the texts of the newly created
* items.
*/
template <class FI>
void InsertItems( int index, FI i, FI j )
{
if ( i != j )
{
DisableUpdates();
do
InsertItem( index++, *i );
while ( ++i != j );
EnableUpdates();
Update();
}
}
/*!
* Appends a list of combo box items.
*
* This is a convenience function, equivalent to:
* InsertItems( NumberOfItems(), i, j )
*/
template <class FI>
void AddItems( FI i, FI j )
{
InsertItems( NumberOfItems(), i, j );
}
/*!
* Inserts a list of combo box items from a container.
*
* \param index Insertion point. If an index greater than or equal to the
* current length is specified, the new items are appended to
* the end of the current set of items. If the index is less
* than or equal to zero, the new items will be prepended to
* the current list of items.
*
* \param c A reference to a container with the list of strings that
* will be assigned to newly created items.
*
* This is a convenience function, equivalent to:
* InsertItems( index, c.Begin(), c.End() )
*/
template <class C>
void InsertItems( int index, const C& c )
{
InsertItems( index, c.Begin(), c.End() );
}
/*!
* Appends a list of combo box items from a container.
*
* \param c A reference to a container with the list of strings that will
* be used for newly created items.
*
* This is a convenience function, equivalent to:
* InsertItems( NumberOfItems(), c );
*/
template <class C>
void AddItems( const C& c )
{
InsertItems( NumberOfItems(), c );
}
/*!
* Removes the item at the specified \a index. If the specified index is
* greater than or equal to the current length, or less than zero,, no items
* are removed.
*/
void RemoveItem( int index );
/*!
* Removes all existing items in this combo box.
*/
void Clear();
/*!
* Returns the current text of the combo box item at the specified \a index.
*/
String ItemText( int index ) const;
/*!
* Sets the current text of the combo box item at the specified \a index.
*/
void SetItemText( int index, const String& );
/*!
* Empties the text of the combo box item at the specified \a index.
*/
void ClearItemText( int index )
{
SetItemText( index, String() );
}
/*!
* Returns the current icon of the combo box item at the specified \a index.
*/
Bitmap ItemIcon( int index ) const;
/*!
* Changes the icon of the combo box item at the specified \a index. If a
* null bitmap is specified, the combo box item will have no associated icon.
*/
void SetItemIcon( int index, const Bitmap& );
/*!
* Clears the icon of the combo box item at the specified \a index.
*
* This is a convenience function, equivalent to:
* SetItemIcon( index, Bitmap::Null() )
*/
void ClearItemIcon( int index )
{
SetItemIcon( index, Bitmap::Null() );
}
/*!
* Returns true iff this combo box is editable. Editable combo boxes allow
* the user to edit the text of the currently selected item.
*/
bool IsEditEnabled() const;
/*!
* Enables or disables the editable state of this combo box control.
*/
void EnableEdit( bool = true );
/*!
* Disables or enables the editable state of this combo box control.
*
* This is a convenience function, equivalent to:
* EnableEdit( !disable )
*/
void DisableEdit( bool disable = true )
{
EnableEdit( !disable );
}
/*!
* Returns the current text of the editable part of this combo box control.
*/
String EditText() const;
/*!
* Sets the text contents of the editable part of this combo box control.
*/
void SetEditText( const String& );
/*!
* Empties the editable part of this combo box control.
*/
void ClearEditText()
{
SetEditText( String() );
}
/*!
* Returns true iff auto completion is currently enabled for this combo box
* control.
*/
bool IsAutoCompletionEnabled() const;
/*!
* Enables or disables auto completion for this combo box control.
*/
void EnableAutoCompletion( bool = true );
/*!
* Disables or enables auto completion for this combo box control.
*
* This is a convenience function, equivalent to:
* EnableAutoCompletion( !disable )
*/
void DisableAutoCompletion( bool disable = true )
{
EnableAutoCompletion( !disable );
}
/*!
* Provides the current icon dimensions for this combo box control.
*
* \param[out] width,height Icon dimensions in pixels.
*/
void GetIconSize( int& width, int& height ) const;
/*!
* Returns the current icon width in pixels for this combo box control.
*/
int IconWidth() const
{
int w, dum; GetIconSize( w, dum ); return w;
}
/*!
* Returns the current icon height in pixels for this combo box control.
*/
int IconHeight() const
{
int dum, h; GetIconSize( dum, h ); return h;
}
/*!
* Sets the icon dimensions in pixels for this combo box control.
*/
void SetIconSize( int width, int height );
/*!
* Sets the icon size in pixels for this combo box control.
*
* This is a convenience function, equivalent to:
* SetIconSize( size, size )
*/
void SetIconSize( int size )
{
SetIconSize( size, size );
}
/*! #
*/
void GetScaledIconSize( int& width, int& height ) const
{
GetIconSize( width, height ); width = PhysicalPixelsToLogical( width ); height = PhysicalPixelsToLogical( height );
}
/*! #
*/
int ScaledIconWidth() const
{
int width, dum; GetIconSize( width, dum ); return PhysicalPixelsToLogical( width );
}
/*! #
*/
int ScaledIconHeight() const
{
int dum, height; GetIconSize( dum, height ); return PhysicalPixelsToLogical( height );
}
/*! #
*/
void SetScaledIconSize( int width, int height )
{
SetIconSize( LogicalPixelsToPhysical( width ), LogicalPixelsToPhysical( height ) );
}
/*! #
*/
void SetScaledIconSize( int size )
{
size = LogicalPixelsToPhysical( size );
SetIconSize( size, size );
}
/*!
* Returns the maximum number of items that can be visible when this combo
* box control is dropped down, or 0 is no specific limit has been set.
*/
int MaxVisibleItemCount() const;
/*!
* Sets the maximum number of items that can be visible when this combo
* box control is dropped down. If zero is specified, the combo box control
* will show a convenient number of items automatically in drop-down state.
*/
void SetMaxVisibleItemCount( int );
/*!
* Returns the minimum number of characters that fit in this combo box
* control, or zero if no specific limit has been set.
*/
int MinItemCharWidth() const;
/*!
* Sets the minimum number of characters that must fit in this combo box
* control. If zero is specified, the combo box control will adapt its
* size automatically to its initial contents.
*/
void SetMinItemCharWidth( int );
//
// Drop-down items list
//
/*!
* Forces this combo box control to enter the drop-down state. The list of
* existing items is shown on a pop-up panel where they can be browsed and
* selected.
*/
void ShowList();
/*!
* Forces this combo box control to exit the drop-down state. The list of
* items will be hidden, if it is currently visible.
*/
void HideList();
// -------------------------------------------------------------------------
// Event handlers
//
// void OnItemSelected( ComboBox& sender, int itemIndex );
// void OnItemHighlighted( ComboBox& sender, int itemIndex );
// void OnEditTextUpdated( ComboBox& sender );
/*!
* \defgroup combobox_event_handlers ComboBox Event Handlers
*/
/*!
* Defines the prototype of a <em>combo box item event handler</em>.
*
* A combo box item event is generated when an item is selected or
* highlighted in a combo box.
*
* \param sender The ComboBox control that sends a combo box item event.
*
* \param itemIndex The index of the combo box item where the event
* originated, in the range from zero to the number of
* existing combo box items minus one.
*
* \ingroup combobox_event_handlers
*/
typedef void (Control::*item_event_handler)( ComboBox& sender, int itemIndex );
/*!
* Defines the prototype of a <em>combo box edit event handler</em>.
*
* A combo box edit event is generated when the text in the editable part of
* a combo box is changed by the user.
*
* \param sender The ComboBox control that sends a combo box edit event.
*
* \ingroup combobox_event_handlers
*/
typedef void (Control::*edit_event_handler)( ComboBox& sender );
/*!
* Sets the <em>item selected</em> event handler for this combo box.
*
* \param handler The combo box item event handler. Must be a member
* function of the receiver object's class. This handler
* will be called whenever an item is selected in this
* combo box control.
*
* \param receiver The control that will receive <em>item selected</em>
* events from this combo box.
*
* \ingroup combobox_event_handlers
*/
void OnItemSelected( item_event_handler handler, Control& receiver );
/*!
* Sets the <em>item highlighted</em> event handler for this combo box.
*
* \param handler The combo box item event handler. Must be a member
* function of the receiver object's class. This handler
* will be called whenever an item is highlighted in this
* combo box control.
*
* \param receiver The control that will receive <em>item highlighted</em>
* events from this combo box.
*
* \ingroup combobox_event_handlers
*/
void OnItemHighlighted( item_event_handler handler, Control& receiver );
/*!
* Sets the <em>edit updated</em> event handler for this combo box.
*
* \param handler The combo box edit event handler. Must be a member
* function of the receiver object's class. This handler
* will be called whenever the text changes in the
* editable part of combo box control.
*
* \param receiver The control that will receive <em>edit updated</em>
* events from this combo box.
*
* \ingroup combobox_event_handlers
*/
void OnEditTextUpdated( edit_event_handler handler, Control& receiver );
private:
struct EventHandlers
{
item_event_handler onItemSelected = nullptr;
item_event_handler onItemHighlighted = nullptr;
edit_event_handler onEditTextUpdated = nullptr;
EventHandlers() = default;
EventHandlers( const EventHandlers& ) = default;
EventHandlers& operator =( const EventHandlers& ) = default;
};
AutoPointer<EventHandlers> m_handlers;
friend class ComboBoxEventDispatcher;
};
// ----------------------------------------------------------------------------
} // pcl
#endif // __PCL_BUILDING_PIXINSIGHT_APPLICATION
#endif // __PCL_ComboBox_h
// ----------------------------------------------------------------------------
// EOF pcl/ComboBox.h - Released 2022-03-12T18:59:29Z