149 lines
4.1 KiB
C++
149 lines
4.1 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2017-2018 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef ROW_INDICATOR__H_
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#define ROW_INDICATOR__H_
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#include <wx/wx.h>
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/**
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* Class representing a row indicator icon for use in
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* places like the layer widget
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*/
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class INDICATOR_ICON: public wxPanel
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{
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public:
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/**
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* An id that refers to a certain icon state.
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*
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* Exactly what that state might mean in terms of icons is up
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* to the icon provider.
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*/
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using ICON_ID = int;
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/**
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* A simple object that can provide fixed bitmaps for use as row
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* indicators
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*/
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class ICON_PROVIDER
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{
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public:
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virtual ~ICON_PROVIDER() {};
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/**
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* Gets a reference to the row icon in the given mode
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*
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* @param aIconId the id of the icon to get (depends on the
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* provider).
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*/
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virtual const wxBitmap& GetIndicatorIcon( ICON_ID aIconId ) const = 0;
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};
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/**
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* Accessor for the default icon providers, which take
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* true and false for IDs, meaining on/off.
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*
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* @param aAlternative false for blue arrow/blank, true for the
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* green diamond
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*/
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static ICON_PROVIDER& GetDefaultRowIconProvider( bool aAlternative );
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/**
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* @param aParent the owning window
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* @param aIconProvider the icon provider to get icons from
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* @param aInitialIcon is the initial state of the icon (the meaning
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* depends on what is the purpose of the icon)
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* @param aID the ID to use for the widgets - events will have
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* this ID.
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*/
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INDICATOR_ICON( wxWindow* aParent, ICON_PROVIDER& aIconProvider,
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ICON_ID aInitialIcon, int aID );
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/**
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* Sets the row indiciator to the given state
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*
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* @param aIconId the icon ID to pass to the provider.
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*/
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void SetIndicatorState( ICON_ID aIconId );
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/**
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* @return the current state of the indicator
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*/
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ICON_ID GetIndicatorState() const;
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private:
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///> An class that delivers icons for the indictor (currently just
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///> uses a default implementation).
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ICON_PROVIDER& m_iconProvider;
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///> Handle on the bitmap widget
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wxStaticBitmap* m_bitmap;
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///> Is the icon currently "on"
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ICON_ID m_currentId;
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};
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/**
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* Icon provider for the "standard" row indicators, for example in
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* layer selection lists
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*/
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class ROW_ICON_PROVIDER: public INDICATOR_ICON::ICON_PROVIDER
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{
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public:
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///> State constants to select the right icons
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enum STATE
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{
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OFF, ///> Row "off" or "deselected"
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DIMMED, ///> Row "dimmed"
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ON, ///> Row "on" or "selected"
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UP, ///> Row above design alpha
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DOWN, ///> Row below design alpha
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};
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/**
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* @param aAlt false: normal icons (blue arrow/blank), true:
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* alternative icons (blue arrow/green diamond)
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*/
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ROW_ICON_PROVIDER( int aSize );
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///> @copydoc INDICATOR_ICON::ICON_PROVIDER::GetIndicatorIcon()
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const wxBitmap& GetIndicatorIcon( INDICATOR_ICON::ICON_ID aIconId ) const override;
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private:
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wxBitmap m_blankBitmap;
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wxBitmap m_rightArrowBitmap;
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wxBitmap m_upArrowBitmap;
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wxBitmap m_downArrowBitmap;
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wxBitmap m_dotBitmap;
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};
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#endif // ROW_INDICATOR__H_
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