mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-05 02:55:07 +01:00
431 lines
11 KiB
C++
431 lines
11 KiB
C++
/****************************************************************************
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* libwiigui
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*
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* Tantric 2009
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*
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* gui_window.cpp
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*
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* GUI class definitions
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***************************************************************************/
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#include "gui.h"
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GuiWindow::GuiWindow()
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{
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width = 0;
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height = 0;
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focus = 0; // allow focus
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}
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GuiWindow::GuiWindow( int w, int h )
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{
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width = w;
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height = h;
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focus = 0; // allow focus
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}
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GuiWindow::~GuiWindow()
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{
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}
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void GuiWindow::Append( GuiElement* e )
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{
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LOCK( this );
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if ( e == NULL )
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return;
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Remove( e );
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_elements.push_back( e );
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e->SetParent( this );
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}
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void GuiWindow::Insert( GuiElement* e, u32 index )
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{
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LOCK( this );
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if ( e == NULL || index > ( _elements.size() - 1 ) )
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return;
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Remove( e );
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_elements.insert( _elements.begin() + index, e );
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e->SetParent( this );
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}
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void GuiWindow::Remove( GuiElement* e )
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{
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LOCK( this );
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if ( e == NULL )
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return;
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for ( u8 i = 0; i < _elements.size(); i++ )
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{
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if ( e == _elements.at( i ) )
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{
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_elements.erase( _elements.begin() + i );
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break;
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}
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}
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}
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void GuiWindow::RemoveAll()
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{
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LOCK( this );
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_elements.clear();
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}
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GuiElement* GuiWindow::GetGuiElementAt( u32 index ) const
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{
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if ( index >= _elements.size() )
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return NULL;
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return _elements.at( index );
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}
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u32 GuiWindow::GetSize()
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{
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return _elements.size();
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}
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void GuiWindow::Draw()
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{
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LOCK( this );
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if ( _elements.size() == 0 || !this->IsVisible() )
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return;
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for ( u8 i = 0; i < _elements.size(); i++ )
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{
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try { _elements.at( i )->Draw(); }
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catch ( const std::exception& e ) { }
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}
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this->UpdateEffects();
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if ( parentElement && state == STATE_DISABLED )
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//Menu_DrawRectangle(0,0,screenwidth,screenheight,(GXColor){0xbe, 0xca, 0xd5, 0x70},1);
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Menu_DrawRectangle( 0, 0, screenwidth, screenheight, ( GXColor ) {0, 0, 0, 0x70}, 1 );
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}
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void GuiWindow::DrawTooltip()
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{
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LOCK( this );
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if ( _elements.size() == 0 || !this->IsVisible() )
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return;
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for ( u8 i = 0; i < _elements.size(); i++ )
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{
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try { _elements.at( i )->DrawTooltip(); }
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catch ( const std::exception& e ) { }
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}
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}
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void GuiWindow::ResetState()
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{
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LOCK( this );
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if ( state != STATE_DISABLED )
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state = STATE_DEFAULT;
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for ( u8 i = 0; i < _elements.size(); i++ )
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{
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try { _elements.at( i )->ResetState(); }
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catch ( const std::exception& e ) { }
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}
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}
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void GuiWindow::SetState( int s )
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{
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LOCK( this );
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state = s;
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for ( u8 i = 0; i < _elements.size(); i++ )
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{
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try { _elements.at( i )->SetState( s ); }
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catch ( const std::exception& e ) { }
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}
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}
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void GuiWindow::SetVisible( bool v )
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{
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LOCK( this );
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visible = v;
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for ( u8 i = 0; i < _elements.size(); i++ )
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{
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try { _elements.at( i )->SetVisible( v ); }
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catch ( const std::exception& e ) { }
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}
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}
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void GuiWindow::SetFocus( int f )
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{
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LOCK( this );
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focus = f;
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if ( f == 1 )
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this->MoveSelectionVert( 1 );
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else
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this->ResetState();
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}
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void GuiWindow::ChangeFocus( GuiElement* e )
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{
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LOCK( this );
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if ( parentElement )
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return; // this is only intended for the main window
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for ( u8 i = 0; i < _elements.size(); i++ )
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{
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if ( e == _elements.at( i ) )
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_elements.at( i )->SetFocus( 1 );
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else if ( _elements.at( i )->IsFocused() == 1 )
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_elements.at( i )->SetFocus( 0 );
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}
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}
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void GuiWindow::ToggleFocus( GuiTrigger * t )
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{
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LOCK( this );
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if ( parentElement )
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return; // this is only intended for the main window
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int found = -1;
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int newfocus = -1;
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u8 i;
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// look for currently in focus element
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for ( i = 0; i < _elements.size(); i++ )
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{
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try
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{
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if ( _elements.at( i )->IsFocused() == 1 )
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{
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found = i;
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break;
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}
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}
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catch ( const std::exception& e ) { }
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}
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// element with focus not found, try to give focus
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if ( found == -1 )
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{
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for ( i = 0; i < _elements.size(); i++ )
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{
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try
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{
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if ( _elements.at( i )->IsFocused() == 0 && _elements.at( i )->GetState() != STATE_DISABLED ) // focus is possible (but not set)
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{
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_elements.at( i )->SetFocus( 1 ); // give this element focus
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break;
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}
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}
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catch ( const std::exception& e ) { }
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}
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}
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// change focus
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else if ( t->wpad.btns_d & ( WPAD_BUTTON_1 | WPAD_BUTTON_1 | WPAD_CLASSIC_BUTTON_PLUS )
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|| t->pad.btns_d & PAD_BUTTON_B )
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{
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for ( i = found; i < _elements.size(); i++ )
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{
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try
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{
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if ( _elements.at( i )->IsFocused() == 0 && _elements.at( i )->GetState() != STATE_DISABLED ) // focus is possible (but not set)
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{
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newfocus = i;
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_elements.at( i )->SetFocus( 1 ); // give this element focus
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_elements.at( found )->SetFocus( 0 ); // disable focus on other element
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break;
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}
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}
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catch ( const std::exception& e ) { }
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}
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if ( newfocus == -1 )
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{
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for ( i = 0; i < found; i++ )
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{
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try
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{
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if ( _elements.at( i )->IsFocused() == 0 && _elements.at( i )->GetState() != STATE_DISABLED ) // focus is possible (but not set)
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{
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_elements.at( i )->SetFocus( 1 ); // give this element focus
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_elements.at( found )->SetFocus( 0 ); // disable focus on other element
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break;
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}
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}
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catch ( const std::exception& e ) { }
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}
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}
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}
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}
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int GuiWindow::GetSelected()
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{
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// find selected element
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int found = -1;
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for ( u8 i = 0; i < _elements.size(); i++ )
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{
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try
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{
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if ( _elements.at( i )->GetState() == STATE_SELECTED )
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{
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found = i;
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break;
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}
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}
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catch ( const std::exception& e ) { }
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}
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return found;
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}
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// set element to left/right as selected
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// there's probably a more clever way to do this, but this way works
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void GuiWindow::MoveSelectionHor( int dir )
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{
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LOCK( this );
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int found = -1;
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u16 left = 0;
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u16 top = 0;
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u8 i = 0;
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int selected = this->GetSelected();
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if ( selected >= 0 )
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{
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left = _elements.at( selected )->GetLeft();
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top = _elements.at( selected )->GetTop();
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}
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// look for a button on the same row, to the left/right
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for ( i = 0; i < _elements.size(); i++ )
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{
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try
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{
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if ( _elements.at( i )->IsSelectable() )
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{
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if ( _elements.at( i )->GetLeft()*dir > left*dir && _elements.at( i )->GetTop() == top )
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{
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if ( found == -1 )
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found = i;
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else if ( _elements.at( i )->GetLeft()*dir < _elements.at( found )->GetLeft()*dir )
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found = i; // this is a better match
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}
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}
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}
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catch ( const std::exception& e ) { }
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}
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if ( found >= 0 )
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goto matchfound;
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// match still not found, let's try the first button in the next row
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for ( i = 0; i < _elements.size(); i++ )
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{
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try
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{
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if ( _elements.at( i )->IsSelectable() )
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{
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if ( _elements.at( i )->GetTop()*dir > top*dir )
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{
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if ( found == -1 )
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found = i;
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else if ( _elements.at( i )->GetTop()*dir < _elements.at( found )->GetTop()*dir )
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found = i; // this is a better match
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else if ( _elements.at( i )->GetTop()*dir == _elements.at( found )->GetTop()*dir
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&&
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_elements.at( i )->GetLeft()*dir < _elements.at( found )->GetLeft()*dir )
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found = i; // this is a better match
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}
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}
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}
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catch ( const std::exception& e ) { }
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}
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// match found
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matchfound:
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if ( found >= 0 )
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{
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_elements.at( found )->SetState( STATE_SELECTED );
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if ( selected >= 0 )
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_elements.at( selected )->ResetState();
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}
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}
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void GuiWindow::MoveSelectionVert( int dir )
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{
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LOCK( this );
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int found = -1;
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u16 left = 0;
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u16 top = 0;
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u8 i = 0;
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int selected = this->GetSelected();
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if ( selected >= 0 )
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{
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left = _elements.at( selected )->GetLeft();
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top = _elements.at( selected )->GetTop();
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}
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// look for a button above/below, with the least horizontal difference
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for ( i = 0; i < _elements.size(); i++ )
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{
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try
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{
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if ( _elements.at( i )->IsSelectable() )
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{
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if ( _elements.at( i )->GetTop()*dir > top*dir )
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{
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if ( found == -1 )
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found = i;
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else if ( _elements.at( i )->GetTop()*dir < _elements.at( found )->GetTop()*dir )
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found = i; // this is a better match
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else if ( _elements.at( i )->GetTop()*dir == _elements.at( found )->GetTop()*dir
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&&
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abs( _elements.at( i )->GetLeft() - left ) <
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abs( _elements.at( found )->GetLeft() - left ) )
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found = i;
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}
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}
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}
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catch ( const std::exception& e ) { }
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}
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if ( found >= 0 )
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goto matchfound;
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// match found
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matchfound:
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if ( found >= 0 )
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{
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_elements.at( found )->SetState( STATE_SELECTED );
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if ( selected >= 0 )
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_elements.at( selected )->ResetState();
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}
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}
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void GuiWindow::Update( GuiTrigger * t )
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{
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LOCK( this );
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if ( _elements.size() == 0 || ( state == STATE_DISABLED && parentElement ) )
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return;
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for ( u8 i = 0; i < _elements.size(); i++ )
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{
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try { _elements.at( i )->Update( t ); }
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catch ( const std::exception& e ) { }
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}
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this->ToggleFocus( t );
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if ( focus ) // only send actions to this window if it's in focus
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{
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// pad/joystick navigation
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if ( t->Right() )
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this->MoveSelectionHor( 1 );
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else if ( t->Left() )
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this->MoveSelectionHor( -1 );
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else if ( t->Down() )
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this->MoveSelectionVert( 1 );
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else if ( t->Up() )
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this->MoveSelectionVert( -1 );
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}
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if ( updateCB )
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updateCB( this );
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}
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