kicad/common/widgets/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 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/textctrl.h>
#include <wx/dc.h>
#include <bitmaps.h>
//---- Grid helpers: custom wxGridCellRenderer that renders icon and a label ------------
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 <...>.
auto 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 );
}
// still need a bitmap to fetch the width
else
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 helpers: custom wxGridCellRenderer that renders just an icon ----------------
//
// Note: this renderer is supposed to be used with read only cells
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 wxGridCellEditor ------------------------------------------
//
// Note: this implementation is an adaptation of wxGridCellChoiceEditor
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, NULL,
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() )
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( __WXGTK20__ )
// 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(__WXGTK20__)
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 ) );
}