kicad/common/widgets/grid_text_helpers.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
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* Copyright (C) 2020-2023 KiCad Developers, see AUTHORS.txt for contributors.
* @author Jon Evans <jon@craftyjon.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <string_utils.h>
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#include <wx/stc/stc.h>
#include <widgets/grid_text_helpers.h>
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#include <scintilla_tricks.h>
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//-------- GRID_CELL_ESCAPED_TEXT_RENDERER ------------------------------------------------------
//
GRID_CELL_ESCAPED_TEXT_RENDERER::GRID_CELL_ESCAPED_TEXT_RENDERER() :
wxGridCellStringRenderer()
{
}
void GRID_CELL_ESCAPED_TEXT_RENDERER::Draw( wxGrid& aGrid, wxGridCellAttr& aAttr, wxDC& aDC,
const wxRect& aRect, int aRow, int aCol,
bool isSelected )
{
wxString unescaped = UnescapeString( aGrid.GetCellValue( aRow, aCol ) );
wxRect rect = aRect;
rect.Inflate( -1 );
// erase background
wxGridCellRenderer::Draw( aGrid, aAttr, aDC, aRect, aRow, aCol, isSelected );
SetTextColoursAndFont( aGrid, aAttr, aDC, isSelected );
aGrid.DrawTextRectangle( aDC, unescaped, rect, wxALIGN_LEFT, wxALIGN_CENTRE );
}
wxSize GRID_CELL_ESCAPED_TEXT_RENDERER::GetBestSize( wxGrid & aGrid, wxGridCellAttr & aAttr,
wxDC & aDC, int aRow, int aCol )
{
wxString unescaped = UnescapeString( aGrid.GetCellValue( aRow, aCol ) );
return wxGridCellStringRenderer::DoGetBestSize( aAttr, aDC, unescaped );
}
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//-------- GRID_CELL_STC_EDITOR -----------------------------------------------------------------
//
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GRID_CELL_STC_EDITOR::GRID_CELL_STC_EDITOR( bool aIgnoreCase,
std::function<void( wxStyledTextEvent&,
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SCINTILLA_TRICKS* )> aOnChar ) :
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m_scintillaTricks( nullptr ),
m_ignoreCase( aIgnoreCase ),
m_onChar( aOnChar )
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{ }
void GRID_CELL_STC_EDITOR::Create( wxWindow* aParent, wxWindowID aId, wxEvtHandler* aEventHandler )
{
m_control = new wxStyledTextCtrl( aParent );
stc_ctrl()->SetTabIndents( false );
stc_ctrl()->SetBackSpaceUnIndents( false );
stc_ctrl()->SetViewEOL( false );
stc_ctrl()->SetViewWhiteSpace( false );
stc_ctrl()->SetIndentationGuides( false );
stc_ctrl()->SetMarginWidth( 0, 0 ); // Symbol margin
stc_ctrl()->SetMarginWidth( 1, 0 ); // Line-number margin
stc_ctrl()->SetEOLMode( wxSTC_EOL_LF );
stc_ctrl()->AutoCompSetMaxWidth( 25 );
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stc_ctrl()->AutoCompSetIgnoreCase( m_ignoreCase );
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stc_ctrl()->UsePopUp( 0 );
// A hack which causes Scintilla to auto-size the text editor canvas
// See: https://github.com/jacobslusser/ScintillaNET/issues/216
stc_ctrl()->SetScrollWidth( 1 );
stc_ctrl()->SetScrollWidthTracking( true );
m_scintillaTricks = new SCINTILLA_TRICKS(
stc_ctrl(), wxEmptyString, true,
// onAccept handler
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[this]()
{
stc_ctrl()->AutoCompComplete();
},
// onCharAdded handler
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[this]( wxStyledTextEvent& aEvent )
{
m_onChar( aEvent, m_scintillaTricks );
} );
stc_ctrl()->Bind( wxEVT_KILL_FOCUS, &GRID_CELL_STC_EDITOR::onFocusLoss, this );
wxGridCellEditor::Create( aParent, aId, aEventHandler );
}
wxStyledTextCtrl* GRID_CELL_STC_EDITOR::stc_ctrl() const
{
return static_cast<wxStyledTextCtrl*>( m_control );
}
wxString GRID_CELL_STC_EDITOR::GetValue() const
{
return stc_ctrl()->GetText();
}
void GRID_CELL_STC_EDITOR::Show( bool aShow, wxGridCellAttr* aAttr )
{
if( !aShow )
stc_ctrl()->AutoCompCancel();
wxGridCellEditor::Show( aShow, aAttr );
}
void GRID_CELL_STC_EDITOR::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 );
stc_ctrl()->SetFocus();
stc_ctrl()->SetText( m_value );
stc_ctrl()->SelectAll();
}
bool GRID_CELL_STC_EDITOR::EndEdit( int, int, const wxGrid*, const wxString&, wxString *aNewVal )
{
const wxString value = stc_ctrl()->GetText();
if( value == m_value )
return false;
m_value = value;
if( aNewVal )
*aNewVal = value;
return true;
}
void GRID_CELL_STC_EDITOR::ApplyEdit( int aRow, int aCol, wxGrid* aGrid )
{
aGrid->GetTable()->SetValue( aRow, aCol, m_value );
}
void GRID_CELL_STC_EDITOR::onFocusLoss( wxFocusEvent& aEvent )
{
if( stc_ctrl() )
stc_ctrl()->AutoCompCancel();
aEvent.Skip();
}