grid_icon_text_helpers.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2018-2022 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 <widgets/grid_icon_text_helpers.h>
 
#include <wx/artprov.h>
#include <wx/defs.h>
#include <wx/textctrl.h>
#include <wx/dc.h>
 
#include <bitmaps.h>
 
 
GRID_CELL_ICON_TEXT_RENDERER::GRID_CELL_ICON_TEXT_RENDERER( const std::vector<BITMAPS>& icons,
 const wxArrayString& names ) :
 m_icons( icons ),
 m_names( names )
{
}
 
 
void GRID_CELL_ICON_TEXT_RENDERER::Draw( wxGrid& aGrid, wxGridCellAttr& aAttr, wxDC& aDC,
 const wxRect& aRect, int aRow, int aCol, bool isSelected )
{
 wxString value = aGrid.GetCellValue( aRow, aCol );
 wxBitmap bitmap;
 
 wxRect rect = aRect;
 rect.Inflate( -1 );
 
 // erase background
 wxGridCellRenderer::Draw( aGrid, aAttr, aDC, aRect, aRow, aCol, isSelected );
 
 // draw the icon
 // note that the set of icons might be smaller than the set of labels if the last
 // label is <...>.
 int position = m_names.Index( value );
 
 if( position < (int) m_icons.size() && position != wxNOT_FOUND )
 {
 bitmap = KiBitmap( m_icons[ position ] );
 aDC.DrawBitmap( bitmap, rect.GetLeft() + 3, rect.GetTop() + 2, true );
 }
 else // still need a bitmap to fetch the width
 {
 bitmap = KiBitmap( m_icons[ 0 ] );
 }
 
 // draw the text
 rect.SetLeft( rect.GetLeft() + bitmap.GetWidth() + 7 );
 SetTextColoursAndFont( aGrid, aAttr, aDC, isSelected );
 aGrid.DrawTextRectangle( aDC, value, rect, wxALIGN_LEFT, wxALIGN_CENTRE );
}
 
wxSize GRID_CELL_ICON_TEXT_RENDERER::GetBestSize( wxGrid& grid, wxGridCellAttr& attr, wxDC& dc,
 int row, int col )
{
 wxBitmap bitmap = KiBitmap( m_icons[ row ] );
 wxString text = grid.GetCellValue( row, col );
 wxSize size = wxGridCellStringRenderer::DoGetBestSize( attr, dc, text );
 
 size.x += bitmap.GetWidth() + 6;
 
 return size;
}
 
 
GRID_CELL_ICON_RENDERER::GRID_CELL_ICON_RENDERER( const wxBitmap& icon ) :
 m_icon( icon )
{
}
 
 
void GRID_CELL_ICON_RENDERER::Draw( wxGrid& aGrid, wxGridCellAttr& aAttr, wxDC& aDC,
 const wxRect& aRect, int aRow, int aCol, bool isSelected )
{
 wxRect rect = aRect;
 rect.Inflate( -1 );
 
 // erase background
 wxGridCellRenderer::Draw( aGrid, aAttr, aDC, aRect, aRow, aCol, isSelected );
 
 // Draw icon
 if( m_icon.IsOk() )
 {
 aDC.DrawBitmap( m_icon,
 rect.GetLeft() + ( rect.GetWidth() - m_icon.GetWidth() ) / 2,
 rect.GetTop() + ( rect.GetHeight() - m_icon.GetHeight() ) / 2,
 true );
 }
}
 
 
wxSize GRID_CELL_ICON_RENDERER::GetBestSize( wxGrid& grid, wxGridCellAttr& attr, wxDC& dc,
 int row, int col )
{
 return wxSize( m_icon.GetWidth() + 6, m_icon.GetHeight() + 4 );
}
 
 
wxGridCellRenderer* GRID_CELL_ICON_RENDERER::Clone() const
{
 return new GRID_CELL_ICON_RENDERER( m_icon );
}
 
 
//---- Grid helpers: custom wxGridCellRenderer that renders just an icon ----------------
//
// Note: this renderer is supposed to be used with read only cells
 
GRID_CELL_STATUS_ICON_RENDERER::GRID_CELL_STATUS_ICON_RENDERER( int aStatus ) :
 m_status( aStatus )
{
 if( m_status != 0 )
 {
 m_bitmap = wxArtProvider::GetBitmap( wxArtProvider::GetMessageBoxIconId( m_status ),
 wxART_BUTTON );
 }
 else
 {
 // Dummy bitmap for size
 m_bitmap = wxArtProvider::GetBitmap( wxArtProvider::GetMessageBoxIconId( wxICON_INFORMATION ),
 wxART_BUTTON );
 }
}
 
 
void GRID_CELL_STATUS_ICON_RENDERER::Draw( wxGrid& aGrid, wxGridCellAttr& aAttr, wxDC& aDC,
 const wxRect& aRect, int aRow, int aCol,
 bool isSelected )
{
 wxRect rect = aRect;
 rect.Inflate( -1 );
 
 // erase background
 wxGridCellRenderer::Draw( aGrid, aAttr, aDC, aRect, aRow, aCol, isSelected );
 
 // Draw icon
 if( ( m_status != 0 ) && m_bitmap.IsOk() )
 {
 aDC.DrawBitmap( m_bitmap,
 rect.GetLeft() + ( rect.GetWidth() - m_bitmap.GetWidth() ) / 2,
 rect.GetTop() + ( rect.GetHeight() - m_bitmap.GetHeight() ) / 2,
 true );
 }
}
 
 
wxSize GRID_CELL_STATUS_ICON_RENDERER::GetBestSize( wxGrid& grid, wxGridCellAttr& attr, wxDC& dc,
 int row, int col )
{
 return wxSize( m_bitmap.GetWidth() + 6, m_bitmap.GetHeight() + 4 );
}
 
 
wxGridCellRenderer* GRID_CELL_STATUS_ICON_RENDERER::Clone() const
{
 return new GRID_CELL_STATUS_ICON_RENDERER( m_status );
}
 
 
GRID_CELL_ICON_TEXT_POPUP::GRID_CELL_ICON_TEXT_POPUP( const std::vector<BITMAPS>& icons,
 const wxArrayString& names ) :
 m_icons( icons ),
 m_names( names )
{
}
 
 
wxGridCellEditor* GRID_CELL_ICON_TEXT_POPUP::Clone() const
{
 return new GRID_CELL_ICON_TEXT_POPUP( m_icons, m_names );
}
 
 
void GRID_CELL_ICON_TEXT_POPUP::Create( wxWindow* aParent, wxWindowID aId,
 wxEvtHandler* aEventHandler )
{
 m_control = new wxBitmapComboBox( aParent, aId, wxEmptyString, wxDefaultPosition,
 wxDefaultSize, 0, nullptr,
 wxCB_READONLY | wxTE_PROCESS_ENTER | wxTE_PROCESS_TAB | wxBORDER_NONE );
 
 for( unsigned i = 0; i < m_names.size(); ++i )
 {
 // note that the set of icons might be smaller than the set of labels if
 // the last label is <...>.
 if( i < m_icons.size() && m_icons[ i ] != BITMAPS::INVALID_BITMAP )
 Combo()->Append( m_names[ i ], KiBitmap( m_icons[ i ] ) );
 else
 Combo()->Append( m_names[ i ] );
 }
 
 wxGridCellEditor::Create(aParent, aId, aEventHandler);
}
 
 
wxString GRID_CELL_ICON_TEXT_POPUP::GetValue() const
{
 return Combo()->GetValue();
}
 
 
void GRID_CELL_ICON_TEXT_POPUP::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
 Combo()->SetButtonPosition( 0, 0, wxRIGHT, 2 );
#endif
 
#if defined( __WXMAC__ )
 rect.Inflate( 3 ); // no FOCUS_RING, even on Mac
#endif
 
 Combo()->SetSize( rect, wxSIZE_ALLOW_MINUS_ONE );
}
 
 
void GRID_CELL_ICON_TEXT_POPUP::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 );
 
 m_value = aGrid->GetTable()->GetValue( aRow, aCol );
 
 Combo()->SetSelection( Combo()->FindString( m_value ) );
 Combo()->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.
 Combo()->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_ICON_TEXT_POPUP::EndEdit( int , int , const wxGrid* , const wxString& ,
 wxString *aNewVal )
{
 const wxString value = Combo()->GetValue();
 
 if( value == m_value )
 return false;
 
 m_value = value;
 
 if( aNewVal )
 *aNewVal = value;
 
 return true;
}
 
 
void GRID_CELL_ICON_TEXT_POPUP::ApplyEdit( int aRow, int aCol, wxGrid* aGrid )
{
 aGrid->GetTable()->SetValue( aRow, aCol, m_value );
}
 
 
void GRID_CELL_ICON_TEXT_POPUP::Reset()
{
 Combo()->SetSelection( Combo()->FindString( m_value ) );
}