mirror of
https://github.com/DaedalusX64/daedalus.git
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113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
/*
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Copyright (C) 2007 StrmnNrmn
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "Base/Types.h"
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#include "UIElement.h"
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#include "UIContext.h"
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#include "Menu.h"
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CUIElement::~CUIElement()
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{}
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CUIElementBag::CUIElementBag()
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: mSelectedIdx( 0 )
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{}
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CUIElementBag::~CUIElementBag()
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{
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}
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void CUIElementBag::Draw( CUIContext * context, s32 min_x, s32 max_x, EAlignType halign, s32 y ) const
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{
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constexpr s32 MAXBOT = SCREEN_HEIGHT - 25; //Only draw text above
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for( auto i = 0; i < mElements.size(); ++i )
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{
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const auto& element = mElements[ i ];
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if (y > LIST_TEXT_TOP && y < MAXBOT ) element->Draw( context, min_x, max_x, halign, y, i == mSelectedIdx );
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y += element->GetHeight( context );
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}
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}
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void CUIElementBag::DrawCentredVertically( CUIContext * context, s32 min_x, s32 min_y, s32 max_x, s32 max_y ) const
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{
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s32 total_height = 0;
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for( auto i = 0; i < mElements.size(); ++i )
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{
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const auto& element = mElements[ i ];
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total_height += element->GetHeight( context );
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}
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s32 slack = (max_y - min_y) - total_height;
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s32 y = min_y + (slack / 2);
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for( auto i = 0; i < mElements.size(); ++i )
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{
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const auto& element = mElements[ i ];
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element->Draw( context, min_x, max_x, AT_CENTRE, y, i == mSelectedIdx );
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y += element->GetHeight( context );
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}
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}
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void CUIElementBag::SelectNext()
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{
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s32 new_selection = mSelectedIdx + 1;
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u32 count = 0;
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while( static_cast<u32>( new_selection ) != mSelectedIdx && count <= mElements.size())
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{
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if( new_selection == static_cast<s32>( mElements.size() ) )
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new_selection = 0;
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if( mElements[ new_selection ]->IsSelectable() )
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{
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mSelectedIdx = static_cast<u32>( new_selection );
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return;
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}
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new_selection++;
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count++;
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}
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}
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void CUIElementBag::SelectPrevious()
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{
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s32 new_selection = mSelectedIdx - 1;
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u32 count = 0;
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while( static_cast<u32>( new_selection ) != mSelectedIdx && count <= mElements.size())
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{
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if( new_selection == -1 )
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new_selection = static_cast<s32>( mElements.size() ) - 1;
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if( mElements[ new_selection ]->IsSelectable() )
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{
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mSelectedIdx = static_cast<u32>( new_selection );
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return;
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}
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new_selection--;
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count++;
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}
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}
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