grid_layer_box_helpers.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2018 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include <grid_layer_box_helpers.h>
#include <pgm_base.h>
#include <settings/settings_manager.h>
#include <settings/color_settings.h>
#include <footprint_editor_settings.h>
#include <board.h>
#include <lset.h>
#include <pcb_edit_frame.h>
#include <pcb_layer_box_selector.h>
#include <settings/color_settings.h>
#include <widgets/layer_box_selector.h>
#include <wx/textctrl.h>
 
 
//-------- Custom wxGridCellRenderers --------------------------------------------------
 
 
GRID_CELL_LAYER_RENDERER::GRID_CELL_LAYER_RENDERER( PCB_BASE_FRAME* aFrame ) :
 m_frame( aFrame )
{
}
 
 
GRID_CELL_LAYER_RENDERER::~GRID_CELL_LAYER_RENDERER()
{
}
 
 
void GRID_CELL_LAYER_RENDERER::Draw( wxGrid& aGrid, wxGridCellAttr& aAttr, wxDC& aDC,
 const wxRect& aRect, int aRow, int aCol, bool isSelected )
{
 int value = aGrid.GetTable()->GetValueAsLong( aRow, aCol );
 COLOR_SETTINGS* cs = nullptr;
 
 wxRect rect = aRect;
 rect.Inflate( -1 );
 
 // erase background
 wxGridCellRenderer::Draw( aGrid, aAttr, aDC, aRect, aRow, aCol, isSelected );
 
 if( m_frame )
 {
 cs = m_frame->GetColorSettings();
 }
 else
 {
 SETTINGS_MANAGER& mgr = Pgm().GetSettingsManager();
 FOOTPRINT_EDITOR_SETTINGS* settings = mgr.GetAppSettings<FOOTPRINT_EDITOR_SETTINGS>();
 cs = mgr.GetColorSettings( settings->m_ColorTheme );
 }
 
 // draw the swatch
 int size = KiROUND( 14 * aDC.GetContentScaleFactor() );
 wxBitmap bitmap( size, size );
 
 LAYER_SELECTOR::DrawColorSwatch( bitmap,
 cs->GetColor( ToLAYER_ID( LAYER_PCB_BACKGROUND ) ),
 cs->GetColor( ToLAYER_ID( value ) ) );
 
 aDC.DrawBitmap( bitmap, rect.GetLeft() + 4,
 rect.GetTop() + ( rect.GetHeight() - bitmap.GetHeight() ) / 2, true );
 
 // draw the text
 PCB_LAYER_ID layer = ToLAYER_ID( value );
 wxString layerName;
 
 if( m_frame )
 layerName = m_frame->GetBoard()->GetLayerName( layer );
 else
 layerName = BOARD::GetStandardLayerName( layer );
 
 rect.SetLeft( rect.GetLeft() + bitmap.GetWidth() + 8 );
 SetTextColoursAndFont( aGrid, aAttr, aDC, isSelected );
 aGrid.DrawTextRectangle( aDC, layerName, rect, wxALIGN_LEFT, wxALIGN_CENTRE );
}
 
 
 
//-------- Custom wxGridCellEditors ----------------------------------------------------
//
// Note: this implementation is an adaptation of wxGridCellChoiceEditor
 
 
GRID_CELL_LAYER_SELECTOR::GRID_CELL_LAYER_SELECTOR( PCB_BASE_FRAME* aFrame, LSET aMask ) :
 m_frame( aFrame ),
 m_mask( aMask ),
 m_value( 0 )
{
}
 
 
wxGridCellEditor* GRID_CELL_LAYER_SELECTOR::Clone() const
{
 return new GRID_CELL_LAYER_SELECTOR( m_frame, m_mask );
}
 
 
void GRID_CELL_LAYER_SELECTOR::Create( wxWindow* aParent, wxWindowID aId,
 wxEvtHandler* aEventHandler )
{
 m_control = new PCB_LAYER_BOX_SELECTOR( aParent, aId, wxEmptyString,
 wxDefaultPosition, wxDefaultSize, 0, nullptr,
 wxCB_READONLY | wxTE_PROCESS_ENTER | wxTE_PROCESS_TAB | wxBORDER_NONE );
 
 LayerBox()->SetLayersHotkeys( false );
 LayerBox()->SetBoardFrame( m_frame );
 LayerBox()->SetNotAllowedLayerSet( m_mask );
 
 wxGridCellEditor::Create(aParent, aId, aEventHandler);
}
 
 
wxString GRID_CELL_LAYER_SELECTOR::GetValue() const
{
 if( LayerBox()->GetLayerSelection() != UNDEFINED_LAYER )
 {
 PCB_LAYER_ID layer = ToLAYER_ID( LayerBox()->GetLayerSelection() );
 
 if( m_frame )
 return m_frame->GetBoard()->GetLayerName( layer );
 else
 return BOARD::GetStandardLayerName( layer );
 }
 
 return wxEmptyString;
}
 
 
void GRID_CELL_LAYER_SELECTOR::SetSize( const wxRect& aRect )
{
 wxRect rect( aRect );
 rect.Inflate( -1 );
 
#if !defined( __WXMSW__ ) && !defined( __WXGTK__ )
 // Only implemented in generic wxBitmapComboBox; MSW and GTK use native controls
 LayerBox()->SetButtonPosition( 0, 0, wxRIGHT, 0 );
#endif
 
#if defined( __WXMAC__ )
 rect.Inflate( 3 ); // no FOCUS_RING, even on Mac
#endif
 
 LayerBox()->SetSize( rect, wxSIZE_ALLOW_MINUS_ONE );
}
 
 
void GRID_CELL_LAYER_SELECTOR::BeginEdit( int aRow, int aCol, wxGrid* aGrid )
{
 auto* evtHandler = static_cast<wxGridCellEditorEvtHandler*>( m_control->GetEventHandler() );
 
 // Don't immediately end if we get a kill focus event within BeginEdit
 evtHandler->SetInSetFocus( true );
 
 // These event handlers are needed to properly dismiss the editor when the popup is closed
 m_control->Bind(wxEVT_COMBOBOX_DROPDOWN, &GRID_CELL_LAYER_SELECTOR::onComboDropDown, this);
 m_control->Bind(wxEVT_COMBOBOX_CLOSEUP, &GRID_CELL_LAYER_SELECTOR::onComboCloseUp, this);
 
 m_value = aGrid->GetTable()->GetValueAsLong( aRow, aCol );
 
 // Footprints are defined in a global context and may contain layers not enabled
 // on the current board. Check and display all layers if so.
 if( m_frame && !m_frame->GetBoard()->IsLayerEnabled( ToLAYER_ID( m_value ) ) )
 LayerBox()->ShowNonActivatedLayers( true );
 
 LayerBox()->Resync();
 LayerBox()->SetLayerSelection( m_value );
 LayerBox()->SetFocus();
 
#ifdef __WXOSX_COCOA__
 // This is a work around for the combobox being simply dismissed when a
 // choice is made in it under OS X. The bug is almost certainly due to a
 // problem in focus events generation logic but it's not obvious to fix and
 // for now this at least allows one to use wxGrid.
 if( !LayerBox()->IsPopupShown() )
 LayerBox()->Popup();
#endif
 
 // When dropping down the menu, a kill focus event
 // happens after this point, so we can't reset the flag yet.
#if !defined(__WXGTK__)
 evtHandler->SetInSetFocus( false );
#endif
}
 
 
bool GRID_CELL_LAYER_SELECTOR::EndEdit( int , int , const wxGrid* , const wxString& ,
 wxString *newval )
{
 const int value = LayerBox()->GetLayerSelection();
 
 if ( value == m_value )
 return false;
 
 m_value = value;
 
 if ( newval )
 *newval = GetValue();
 
 return true;
}
 
 
void GRID_CELL_LAYER_SELECTOR::ApplyEdit( int aRow, int aCol, wxGrid* aGrid )
{
 aGrid->GetTable()->SetValueAsLong( aRow, aCol, (long) m_value );
}
 
 
void GRID_CELL_LAYER_SELECTOR::Reset()
{
 LayerBox()->SetLayerSelection( m_value );
}
 
 
void GRID_CELL_LAYER_SELECTOR::onComboDropDown( wxCommandEvent& aEvent )
{
 // On other platforms this is done in BeginEdit()
#if defined(__WXGTK__)
 auto evtHandler = static_cast<wxGridCellEditorEvtHandler*>( m_control->GetEventHandler() );
 
 // Once the combobox is dropped, reset the flag to allow the focus-loss handler
 // to function and close the editor.
 evtHandler->SetInSetFocus( false );
#endif
}
 
 
void GRID_CELL_LAYER_SELECTOR::onComboCloseUp( wxCommandEvent& aEvent )
{
 auto evtHandler = static_cast<wxGridCellEditorEvtHandler*>( m_control->GetEventHandler() );
 
 // Forward the combobox close up event to the cell event handler as a focus kill event
 // so that the grid editor is dismissed when the combox closes, otherwise it leaves the
 // dropdown arrow visible in the cell.
 wxFocusEvent event( wxEVT_KILL_FOCUS, m_control->GetId() );
 event.SetEventObject( m_control );
 evtHandler->ProcessEvent( event );
}