properties_frame.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013 CERN
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 * @author Jean-Pierre Charras, jp.charras at wanadoo.fr
 *
 * 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, see <https://www.gnu.org/licenses/>.
 */
 
#include <project.h>
#include <scintilla_tricks.h>
#include <widgets/bitmap_button.h>
#include <widgets/font_choice.h>
#include <widgets/color_swatch.h>
#include <tool/tool_manager.h>
#include <drawing_sheet/ds_draw_item.h>
#include <drawing_sheet/ds_data_item.h>
#include <drawing_sheet/ds_data_model.h>
#include <view/view.h>
#include <bitmaps.h>
 
#include "properties_frame.h"
#include "pl_editor_frame.h"
#include "tools/pl_selection_tool.h"
 
#include <dialogs/html_message_box.h>
#include <wx/wupdlock.h>

#define DLG_MIN_TEXTSIZE 0.01
#define DLG_MAX_TEXTSIZE 100.0   
 
 
PROPERTIES_FRAME::PROPERTIES_FRAME( PL_EDITOR_FRAME* aParent ) :
        PANEL_PROPERTIES_BASE( aParent ),
        m_scintillaTricks( nullptr ),
        m_textSizeX( aParent, m_staticTextTsizeX, m_textCtrlTextSizeX, m_textSizeXUnits ),
        m_textSizeY( aParent, m_staticTextTsizeY, m_textCtrlTextSizeY,  m_textSizeYUnits ),
        m_constraintX( aParent, m_constraintXLabel, m_constraintXCtrl, m_constraintXUnits ),
        m_constraintY( aParent, m_constraintYLabel, m_constraintYCtrl, m_constraintYUnits ),
        m_textPosX( aParent, m_staticTextPosX, m_textCtrlPosX, m_TextPosXUnits ),
        m_textPosY( aParent, m_staticTextPosY, m_textCtrlPosY, m_TextPosYUnits ),
        m_textEndX( aParent, m_staticTextEndX, m_textCtrlEndX, m_TextEndXUnits ),
        m_textEndY( aParent, m_staticTextEndY, m_textCtrlEndY, m_TextEndYUnits ),
        m_textStepX( aParent, m_staticTextStepX, m_textCtrlStepX, m_TextStepXUnits ),
        m_textStepY( aParent, m_staticTextStepY, m_textCtrlStepY, m_TextStepYUnits ),
        m_defaultTextSizeX( aParent, m_staticTextDefTsX, m_textCtrlDefaultTextSizeX,
                            m_defaultTextSizeXUnits ),
        m_defaultTextSizeY( aParent, m_staticTextDefTsY, m_textCtrlDefaultTextSizeY,
                            m_defaultTextSizeYUnits ),
        m_defaultLineWidth( aParent, m_defaultLineWidthLabel, m_defaultLineWidthCtrl,
                            m_defaultLineWidthUnits ),
        m_defaultTextThickness( aParent, m_defaultTextThicknessLabel, m_defaultTextThicknessCtrl,
                                m_defaultTextThicknessUnits ),
        m_textLeftMargin( aParent, m_leftMarginLabel, m_leftMarginCtrl, m_leftMarginUnits ),
        m_textRightMargin( aParent, m_rightMarginLabel, m_rightMarginCtrl, m_rightMarginUnits ),
        m_textTopMargin( aParent, m_topMarginLabel, m_topMarginCtrl, m_topMarginUnits ),
        m_textBottomMargin( aParent, m_bottomMarginLabel, m_bottomMarginCtrl, m_bottomMarginUnits ),
        m_lineWidth( aParent, m_lineWidthLabel, m_lineWidthCtrl, m_lineWidthUnits ),
        m_propertiesDirty( false )
{
    m_parent = aParent;
 
    m_stcText->SetUseVerticalScrollBar( false );
    m_stcText->SetUseHorizontalScrollBar( false );
    m_stcText->SetEOLMode( wxSTC_EOL_LF );  // Always use LF as eol char, regardless the platform
 
#ifdef _WIN32
    // Without this setting, on Windows, some esoteric unicode chars create display issue
    // in a wxStyledTextCtrl.
    // for SetTechnology() info, see https://www.scintilla.org/ScintillaDoc.html#SCI_SETTECHNOLOGY
    m_stcText->SetTechnology(wxSTC_TECHNOLOGY_DIRECTWRITE);
#endif
 
    m_scintillaTricks = new SCINTILLA_TRICKS( m_stcText, wxT( "{}" ), false );
 
    m_staticTextSizeInfo->SetFont( KIUI::GetInfoFont( this ).Italic() );
 
    m_bold->SetIsCheckButton();
    m_bold->SetBitmap( KiBitmapBundle( BITMAPS::text_bold ) );
    m_italic->SetIsCheckButton();
    m_italic->SetBitmap( KiBitmapBundle( BITMAPS::text_italic ) );
 
    m_separator2->SetIsSeparator();
 
    m_alignLeft->SetIsRadioButton();
    m_alignLeft->SetBitmap( KiBitmapBundle( BITMAPS::text_align_left ) );
    m_alignCenter->SetIsRadioButton();
    m_alignCenter->SetBitmap( KiBitmapBundle( BITMAPS::text_align_center ) );
    m_alignRight->SetIsRadioButton();
    m_alignRight->SetBitmap( KiBitmapBundle( BITMAPS::text_align_right ) );
 
    m_separator3->SetIsSeparator();
 
    m_vAlignTop->SetIsRadioButton();
    m_vAlignTop->SetBitmap( KiBitmapBundle( BITMAPS::text_valign_top ) );
    m_vAlignMiddle->SetIsRadioButton();
    m_vAlignMiddle->SetBitmap( KiBitmapBundle( BITMAPS::text_valign_center ) );
    m_vAlignBottom->SetIsRadioButton();
    m_vAlignBottom->SetBitmap( KiBitmapBundle( BITMAPS::text_valign_bottom ) );
 
    m_separator4->SetIsSeparator();
 
    m_textColorSwatch->SetDefaultColor( COLOR4D::UNSPECIFIED );
    m_textColorSwatch->SetSwatchBackground( aParent->GetDrawBgColor() );
 
    m_textColorSwatch->Bind( COLOR_SWATCH_CHANGED,
            [this]( wxCommandEvent& event )
            {
                m_propertiesDirty = true;
            } );
 
    // ensure sizers are up to date
    // (fix an issue on GTK but should not create issues on other platforms):
    m_swItemProperties->Fit();
    m_swGeneralOpts->Fit();
 
    m_stcText->Bind( wxEVT_STC_CHARADDED, &PROPERTIES_FRAME::onScintillaCharAdded, this );
    m_stcText->Bind( wxEVT_STC_AUTOCOMP_CHAR_DELETED, &PROPERTIES_FRAME::onScintillaCharAdded,
                     this );
    m_alignLeft->Bind( wxEVT_BUTTON, &PROPERTIES_FRAME::onHAlignButton, this );
    m_alignCenter->Bind( wxEVT_BUTTON, &PROPERTIES_FRAME::onHAlignButton, this );
    m_alignRight->Bind( wxEVT_BUTTON, &PROPERTIES_FRAME::onHAlignButton, this );
    m_vAlignTop->Bind( wxEVT_BUTTON, &PROPERTIES_FRAME::onVAlignButton, this );
    m_vAlignMiddle->Bind( wxEVT_BUTTON, &PROPERTIES_FRAME::onVAlignButton, this );
    m_vAlignBottom->Bind( wxEVT_BUTTON, &PROPERTIES_FRAME::onVAlignButton, this );
}
 
 
PROPERTIES_FRAME::~PROPERTIES_FRAME()
{
    delete m_scintillaTricks;
    m_scintillaTricks = nullptr;
}
 
 
wxSize PROPERTIES_FRAME::GetMinSize() const
{
    return FromDIP( wxSize( 150, -1 ) );
}
 
 
double fromMM( double aMMValue )
{
    return EDA_UNIT_UTILS::UI::FromUserUnit( drawSheetIUScale, EDA_UNITS::MM, aMMValue );
}
 
 
double toMM( double aIUValue )
{
    return EDA_UNIT_UTILS::UI::ToUserUnit( drawSheetIUScale, EDA_UNITS::MM, aIUValue );
}
 
 
bool validateMM( UNIT_BINDER& aUnitBinder, double aMin, double aMax )
{
    return aUnitBinder.Validate( aMin, aMax, EDA_UNITS::MM );
}
 
 
void PROPERTIES_FRAME::CopyPrmsFromGeneralToPanel()
{
    DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();
 
    // Set default parameters
    m_defaultLineWidth.SetDoubleValue( fromMM( model.m_DefaultLineWidth ) );
 
    m_defaultTextSizeX.SetDoubleValue( fromMM( model.m_DefaultTextSize.x ) );
    m_defaultTextSizeY.SetDoubleValue( fromMM( model.m_DefaultTextSize.y ) );
    m_defaultTextThickness.SetDoubleValue( fromMM( model.m_DefaultTextThickness ) );
 
    m_textLeftMargin.SetDoubleValue( fromMM( model.GetLeftMargin() ) );
    m_textRightMargin.SetDoubleValue( fromMM( model.GetRightMargin() ) );
    m_textTopMargin.SetDoubleValue( fromMM( model.GetTopMargin() ) );
    m_textBottomMargin.SetDoubleValue( fromMM( model.GetBottomMargin() ) );
}
 
 
bool PROPERTIES_FRAME::CopyPrmsFromPanelToGeneral()
{
    DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();
 
    // Import default parameters from widgets
    if( validateMM( m_defaultLineWidth, 0.0, 10.0 ) )
        model.m_DefaultLineWidth = toMM( m_defaultLineWidth.GetIntValue() );
 
    if( validateMM( m_defaultTextSizeX, DLG_MIN_TEXTSIZE, DLG_MAX_TEXTSIZE ) )
        model.m_DefaultTextSize.x = toMM( m_defaultTextSizeX.GetIntValue() );
 
    if( validateMM( m_defaultTextSizeY, DLG_MIN_TEXTSIZE, DLG_MAX_TEXTSIZE ) )
        model.m_DefaultTextSize.y = toMM( m_defaultTextSizeY.GetIntValue() );
 
    if( validateMM( m_defaultTextThickness, 0.0, 5.0 ) )
        model.m_DefaultTextThickness = toMM( m_defaultTextThickness.GetIntValue() );
 
    // Get page margins values
    model.SetRightMargin( toMM( m_textRightMargin.GetIntValue() ) );
    model.SetBottomMargin( toMM( m_textBottomMargin.GetIntValue() ) );
    model.SetLeftMargin( toMM( m_textLeftMargin.GetIntValue() ) );
    model.SetTopMargin( toMM( m_textTopMargin.GetIntValue() ) );
 
    return true;
}
 
 
void PROPERTIES_FRAME::CopyPrmsFromItemToPanel( DS_DATA_ITEM* aItem )
{
    if( !aItem )
    {
        m_SizerItemProperties->Show( false );
        m_propertiesDirty = false;
        return;
    }
 
    // No not update display during rebuild:
    wxWindowUpdateLocker noUpdates( this );
 
    wxString msg;
 
    // Set parameters common to all DS_DATA_ITEM types
    m_staticTextType->SetLabel( aItem->GetClassName() );
    m_textCtrlComment->SetValue( aItem->m_Info );
 
    switch( aItem->GetPage1Option() )
    {
    default:
    case ALL_PAGES:        m_choicePageOpt->SetSelection( 0 ); break;
    case FIRST_PAGE_ONLY:  m_choicePageOpt->SetSelection( 1 ); break;
    case SUBSEQUENT_PAGES: m_choicePageOpt->SetSelection( 2 ); break;
    }
 
    // Position/ start point
    m_textPosX.SetDoubleValue( fromMM( aItem->m_Pos.m_Pos.x ) );
    m_textPosY.SetDoubleValue( fromMM( aItem->m_Pos.m_Pos.y ) );
 
    switch(  aItem->m_Pos.m_Anchor )
    {
    case RB_CORNER: m_comboBoxCornerPos->SetSelection( 2 ); break;
    case RT_CORNER: m_comboBoxCornerPos->SetSelection( 0 ); break;
    case LB_CORNER: m_comboBoxCornerPos->SetSelection( 3 ); break;
    case LT_CORNER: m_comboBoxCornerPos->SetSelection( 1 ); break;
    }
 
    // End point
    m_textEndX.SetDoubleValue( fromMM( aItem->m_End.m_Pos.x ) );
    m_textEndY.SetDoubleValue( fromMM( aItem->m_End.m_Pos.y ) );
 
    switch( aItem->m_End.m_Anchor )
    {
    case RB_CORNER: m_comboBoxCornerEnd->SetSelection( 2 ); break;
    case RT_CORNER: m_comboBoxCornerEnd->SetSelection( 0 ); break;
    case LB_CORNER: m_comboBoxCornerEnd->SetSelection( 3 ); break;
    case LT_CORNER: m_comboBoxCornerEnd->SetSelection( 1 ); break;
    }
 
    m_lineWidth.SetDoubleValue( fromMM( aItem->m_LineWidth ) );
 
    // Now, set prms more specific to DS_DATA_ITEM types
    // For a given type, disable widgets which are not relevant,
    // and be sure widgets which are relevant are enabled
    if( aItem->GetType() == DS_DATA_ITEM::DS_TEXT )
    {
        DS_DATA_ITEM_TEXT* item = static_cast<DS_DATA_ITEM_TEXT*>( aItem );
        item->m_FullText = item->m_TextBase;
 
        // Replace our '\' 'n' sequence by the EOL char
        item->ReplaceAntiSlashSequence();
        m_stcText->SetValue( item->m_FullText );
        m_stcText->EmptyUndoBuffer();
 
        msg.Printf( wxT( "%d" ), item->m_IncrementLabel );
        m_textCtrlTextIncrement->SetValue( msg );
 
        // Rotation (poly and text)
        msg.Printf( wxT( "%.3f" ), item->m_Orient );
        m_textCtrlRotation->SetValue( msg );
 
        // Constraints:
        m_constraintX.SetDoubleValue( fromMM( item->m_BoundingBoxSize.x ) );
        m_constraintY.SetDoubleValue( fromMM( item->m_BoundingBoxSize.y ) );
 
        // Font Options
        m_fontCtrl->SetFontSelection( item->m_Font, true /*silent mode */ );
 
        m_bold->Check( item->m_Bold );
        m_italic->Check( item->m_Italic );
 
        m_textColorSwatch->SetSwatchColor( item->m_TextColor, false );
 
        for( BITMAP_BUTTON* btn : { m_alignLeft, m_alignCenter, m_alignRight } )
            btn->Check( false );
 
        switch( item->m_Hjustify )
        {
        case GR_TEXT_H_ALIGN_LEFT:          m_alignLeft->Check();   break;
        case GR_TEXT_H_ALIGN_CENTER:        m_alignCenter->Check(); break;
        case GR_TEXT_H_ALIGN_RIGHT:         m_alignRight->Check();  break;
        case GR_TEXT_H_ALIGN_INDETERMINATE:                         break;
        }
 
        for( BITMAP_BUTTON* btn : { m_vAlignTop, m_vAlignMiddle, m_vAlignBottom } )
            btn->Check( false );
 
        switch( item->m_Vjustify )
        {
        case GR_TEXT_V_ALIGN_TOP:           m_vAlignTop->Check();    break;
        case GR_TEXT_V_ALIGN_CENTER:        m_vAlignMiddle->Check(); break;
        case GR_TEXT_V_ALIGN_BOTTOM:        m_vAlignBottom->Check(); break;
        case GR_TEXT_V_ALIGN_INDETERMINATE:                          break;
        }
 
        // Text size
        m_textSizeX.SetDoubleValue( fromMM( item->m_TextSize.x ) );
        m_textSizeY.SetDoubleValue( fromMM( item->m_TextSize.y ) );
    }
 
    if( aItem->GetType() == DS_DATA_ITEM::DS_POLYPOLYGON )
    {
        DS_DATA_ITEM_POLYGONS* item = static_cast<DS_DATA_ITEM_POLYGONS*>( aItem );
 
        // Rotation (poly and text)
        msg.Printf( wxT( "%.3f" ), item->m_Orient.AsDegrees() );
        m_textCtrlRotation->SetValue( msg );
    }
 
    if( aItem->GetType() == DS_DATA_ITEM::DS_BITMAP )
    {
        DS_DATA_ITEM_BITMAP* item = static_cast<DS_DATA_ITEM_BITMAP*>( aItem );
 
        // select definition in PPI
        msg.Printf( wxT( "%d" ), item->GetPPI() );
        m_textCtrlBitmapDPI->SetValue( msg );
    }
 
    m_SizerItemProperties->Show( true );
 
    m_SizerTextOptions->Show( aItem->GetType() == DS_DATA_ITEM::DS_TEXT );
    m_syntaxHelpLink->Show( aItem->GetType() == DS_DATA_ITEM::DS_TEXT );
 
    m_sbSizerEndPosition->Show( aItem->GetType() == DS_DATA_ITEM::DS_SEGMENT
                                || aItem->GetType() == DS_DATA_ITEM::DS_RECT );
 
    m_lineWidth.Show( aItem->GetType() != DS_DATA_ITEM::DS_BITMAP );
 
    if( aItem->GetType() == DS_DATA_ITEM::DS_TEXT
            || aItem->GetType() == DS_DATA_ITEM::DS_POLYPOLYGON )
    {
        m_staticTextRot->Show( true );
        m_textCtrlRotation->Show( true );
    }
    else
    {
        m_staticTextRot->Show( false );
        m_textCtrlRotation->Show( false );
    }
 
    m_staticTextBitmapDPI->Show( aItem->GetType() == DS_DATA_ITEM::DS_BITMAP );
    m_textCtrlBitmapDPI->Show( aItem->GetType() == DS_DATA_ITEM::DS_BITMAP );
 
    m_staticTextInclabel->Show( aItem->GetType() == DS_DATA_ITEM::DS_TEXT );
    m_textCtrlTextIncrement->Show( aItem->GetType() == DS_DATA_ITEM::DS_TEXT );
 
    // Repeat parameters
    msg.Printf( wxT( "%d" ), aItem->m_RepeatCount );
    m_textCtrlRepeatCount->SetValue( msg );
 
    m_textStepX.SetDoubleValue( fromMM( aItem->m_IncrementVector.x ) );
    m_textStepY.SetDoubleValue( fromMM( aItem->m_IncrementVector.y ) );
 
    // The number of widgets was modified, so recalculate sizers
    m_swItemProperties->Layout();
 
#ifdef __WXGTK__
    // This call is mandatory on wxGTK to initialize the right virtual size and therefore
    // scrollbars, but for some reason, create issues on Windows (incorrect display
    // until the frame is resized). Joys of multiplatform dev.
    m_swItemProperties->Fit();
#endif
 
    // send a size event to be sure scrollbars will be added/removed as needed
    m_swItemProperties->PostSizeEvent();
    m_swItemProperties->Refresh();
}
 
 
void PROPERTIES_FRAME::onHAlignButton( wxCommandEvent& aEvent )
{
    for( BITMAP_BUTTON* btn : { m_alignLeft, m_alignCenter, m_alignRight } )
    {
        if( btn->IsChecked() && btn != aEvent.GetEventObject() )
            btn->Check( false );
    }
 
    m_propertiesDirty = true;
}
 
 
void PROPERTIES_FRAME::onVAlignButton( wxCommandEvent& aEvent )
{
    for( BITMAP_BUTTON* btn : { m_vAlignTop, m_vAlignMiddle, m_vAlignBottom } )
    {
        if( btn->IsChecked() && btn != aEvent.GetEventObject() )
            btn->Check( false );
    }
 
    m_propertiesDirty = true;
}
 
 
void PROPERTIES_FRAME::OnAcceptPrms()
{
    PL_SELECTION_TOOL* selTool = m_parent->GetToolManager()->GetTool<PL_SELECTION_TOOL>();
    PL_SELECTION&      selection = selTool->GetSelection();
 
    m_parent->SaveCopyInUndoList();
 
    DS_DRAW_ITEM_BASE* drawItem = (DS_DRAW_ITEM_BASE*) selection.Front();
 
    if( drawItem )
    {
        DS_DATA_ITEM* dataItem = drawItem->GetPeer();
        CopyPrmsFromPanelToItem( dataItem );
 
        // Be sure what is displayed is what is set for item
        // (mainly, texts can be modified if they contain "\n")
        CopyPrmsFromItemToPanel( dataItem );
        m_parent->GetCanvas()->GetView()->Update( drawItem );
    }
 
    CopyPrmsFromPanelToGeneral();
 
    // Refresh values, exactly as they are converted, to avoid any mistake
    CopyPrmsFromGeneralToPanel();
 
    m_propertiesDirty = false;
 
    m_parent->OnModify();
 
    // Rebuild the draw list with the new parameters
    m_parent->GetCanvas()->DisplayDrawingSheet();
    m_parent->GetCanvas()->Refresh();
}
 
 
void PROPERTIES_FRAME::onModify( wxCommandEvent& aEvent )
{
    m_propertiesDirty = true;
}
 
 
void PROPERTIES_FRAME::onTextFocusLost( wxFocusEvent& aEvent )
{
    m_propertiesDirty = true;
    aEvent.Skip();      // Mandatory in wxFocusEvent
}
 
 
void PROPERTIES_FRAME::OnUpdateUI( wxUpdateUIEvent& aEvent )
{
    if( m_propertiesDirty )
    {
        // Clear m_propertiesDirty now. Otherwise OnAcceptPrms() is called multiple
        // times (probably by each updated widget)
        m_propertiesDirty = false;
        CallAfter(
                [this]()
                {
                    OnAcceptPrms();
                } );
    }
}
 
 
void PROPERTIES_FRAME::OnSetDefaultValues( wxCommandEvent& event )
{
    DS_DATA_MODEL& model = DS_DATA_MODEL::GetTheInstance();
 
    model.m_DefaultTextSize = VECTOR2D( TB_DEFAULT_TEXTSIZE, TB_DEFAULT_TEXTSIZE );
    model.m_DefaultLineWidth = 0.15;
    model.m_DefaultTextThickness = 0.15;
 
    CopyPrmsFromGeneralToPanel();
 
    // Rebuild the draw list with the new parameters
    m_parent->GetCanvas()->DisplayDrawingSheet();
    m_parent->GetCanvas()->Refresh();
}
 
 
bool PROPERTIES_FRAME::CopyPrmsFromPanelToItem( DS_DATA_ITEM* aItem )
{
    if( aItem == nullptr )
        return false;
 
    wxString msg;
 
    // Import common parameters:
    aItem->m_Info = m_textCtrlComment->GetValue();
 
    switch( m_choicePageOpt->GetSelection() )
    {
    default:
    case 0: aItem->SetPage1Option( ALL_PAGES );        break;
    case 1: aItem->SetPage1Option( FIRST_PAGE_ONLY );  break;
    case 2: aItem->SetPage1Option( SUBSEQUENT_PAGES ); break;
    }
 
    // Import thickness
    if( validateMM( m_lineWidth, 0.0, 10.0 ) )
        aItem->m_LineWidth = toMM( m_lineWidth.GetIntValue() );
 
    // Import Start point
    aItem->m_Pos.m_Pos.x = toMM( m_textPosX.GetIntValue() );
    aItem->m_Pos.m_Pos.y = toMM( m_textPosY.GetIntValue() );
 
    switch( m_comboBoxCornerPos->GetSelection() )
    {
    case 2: aItem->m_Pos.m_Anchor = RB_CORNER; break;
    case 0: aItem->m_Pos.m_Anchor = RT_CORNER; break;
    case 3: aItem->m_Pos.m_Anchor = LB_CORNER; break;
    case 1: aItem->m_Pos.m_Anchor = LT_CORNER; break;
    }
 
    // Import End point
    aItem->m_End.m_Pos.x = toMM( m_textEndX.GetIntValue() );
    aItem->m_End.m_Pos.y = toMM( m_textEndY.GetIntValue() );
 
    switch( m_comboBoxCornerEnd->GetSelection() )
    {
    case 2: aItem->m_End.m_Anchor = RB_CORNER; break;
    case 0: aItem->m_End.m_Anchor = RT_CORNER; break;
    case 3: aItem->m_End.m_Anchor = LB_CORNER; break;
    case 1: aItem->m_End.m_Anchor = LT_CORNER; break;
    }
 
    // Import Repeat prms
    long itmp;
    msg = m_textCtrlRepeatCount->GetValue();
    msg.ToLong( &itmp );
 
    // Ensure m_RepeatCount is > 0. Otherwise it create issues because a repeat
    // count < 1 make no sense
    if( itmp < 1l )
    {
        itmp = 1;
        msg.Printf( wxT( "%ld" ), itmp );
        m_textCtrlRepeatCount->SetValue( msg );
    }
 
    aItem->m_RepeatCount = itmp;
 
    aItem->m_IncrementVector.x = toMM( m_textStepX.GetIntValue() );
    aItem->m_IncrementVector.y = toMM( m_textStepY.GetIntValue() );
 
    if( aItem->GetType() == DS_DATA_ITEM::DS_TEXT )
    {
        DS_DATA_ITEM_TEXT* item = static_cast<DS_DATA_ITEM_TEXT*>( aItem );
 
        item->m_TextBase = m_stcText->GetValue();
 
        msg = m_textCtrlTextIncrement->GetValue();
        msg.ToLong( &itmp );
        item->m_IncrementLabel = itmp;
 
        item->m_Bold = m_bold->IsChecked();
        item->m_Italic = m_italic->IsChecked();
        item->m_TextColor = m_textColorSwatch->GetSwatchColor();
 
        if( m_alignLeft->IsChecked() )
            item->m_Hjustify = GR_TEXT_H_ALIGN_LEFT;
        else if( m_alignCenter->IsChecked() )
            item->m_Hjustify = GR_TEXT_H_ALIGN_CENTER;
        else if( m_alignRight->IsChecked() )
            item->m_Hjustify = GR_TEXT_H_ALIGN_RIGHT;
 
        if( m_vAlignTop->IsChecked() )
            item->m_Vjustify = GR_TEXT_V_ALIGN_TOP;
        else if( m_vAlignMiddle->IsChecked() )
            item->m_Vjustify = GR_TEXT_V_ALIGN_CENTER;
        else if( m_vAlignBottom->IsChecked() )
            item->m_Vjustify = GR_TEXT_V_ALIGN_BOTTOM;
 
        if( m_fontCtrl->HaveFontSelection() )
            item->m_Font = m_fontCtrl->GetFontSelection( item->m_Bold, item->m_Italic, true );
 
        msg = m_textCtrlRotation->GetValue();
        item->m_Orient = EDA_UNIT_UTILS::UI::DoubleValueFromString( drawSheetIUScale,
                                                                    EDA_UNITS::UNSCALED, msg );
 
        // Import text size
        if( validateMM( m_textSizeX, 0.0, DLG_MAX_TEXTSIZE ) )
            item->m_TextSize.x = toMM( m_textSizeX.GetIntValue() );
 
        if( validateMM( m_textSizeY, 0.0, DLG_MAX_TEXTSIZE ) )
            item->m_TextSize.y = toMM( m_textSizeY.GetIntValue() );
 
        // Import constraints:
        item->m_BoundingBoxSize.x = toMM( m_constraintX.GetIntValue() );
        item->m_BoundingBoxSize.y = toMM( m_constraintY.GetIntValue() );
    }
 
    if( aItem->GetType() == DS_DATA_ITEM::DS_POLYPOLYGON )
    {
        DS_DATA_ITEM_POLYGONS* item = static_cast<DS_DATA_ITEM_POLYGONS*>( aItem );
 
        msg = m_textCtrlRotation->GetValue();
        item->m_Orient = m_parent->AngleValueFromString( msg );
    }
 
    if( aItem->GetType() == DS_DATA_ITEM::DS_BITMAP )
    {
        DS_DATA_ITEM_BITMAP* item = static_cast<DS_DATA_ITEM_BITMAP*>( aItem );
        long                 value;
 
        msg = m_textCtrlBitmapDPI->GetValue();
 
        if( msg.ToLong( &value ) )
            item->SetPPI( (int)value );
    }
 
    return true;
}
 
 
void PROPERTIES_FRAME::onScintillaCharAdded( wxStyledTextEvent &aEvent )
{
    wxArrayString   autocompleteTokens;
    int             pos = m_stcText->GetCurrentPos();
    int             start = m_stcText->WordStartPosition( pos, true );
    wxString        partial;
 
    if( start >= 2
            && m_stcText->GetCharAt( start-2 ) == '$'
            && m_stcText->GetCharAt( start-1 ) == '{' )
    {
        DS_DRAW_ITEM_LIST::GetTextVars( &autocompleteTokens );
 
        partial = m_stcText->GetTextRange( start, pos );
 
        for( std::pair<wxString, wxString> entry : m_parent->Prj().GetTextVars() )
            autocompleteTokens.push_back( entry.first );
    }
 
    m_scintillaTricks->DoAutocomplete( partial, autocompleteTokens );
    m_stcText->SetFocus();
}
 
 
void PROPERTIES_FRAME::onScintillaFocusLost( wxFocusEvent& aEvent )
{
    m_stcText->AutoCompCancel();
    m_propertiesDirty = true;
    aEvent.Skip();
}
 
 
void PROPERTIES_FRAME::onHelp( wxHyperlinkEvent& aEvent )
{
    // Show the system variables for worksheet text:
    HTML_MESSAGE_BOX dlg( wxGetTopLevelParent( this ), _( "Predefined Keywords" ) );
    wxString message;
 
    message << _( "Texts can include keywords." ) << "<br>";
    message << _( "Keyword notation is ${keyword}" ) << "<br>";
    message << _( "Each keyword is replaced by its value" ) << "<br><br>";
    message << _( "These build-in keywords are always available:" ) << "<br><br>";
    dlg.AddHTML_Text( message );
 
    message = "KICAD_VERSION\n";
    message << "# " << _( "(sheet number)" ) << "\n";
    message << "## " << _( "(sheet count)" ) << "\n";
    message << "COMMENT1 thru COMMENT9\n";
    message << "COMPANY\n";
    message << "FILENAME\n";
    message << "ISSUE_DATE\n";
    message << "LAYER\n";
    message << "PAPER " << _( "(paper size)" ) << "\n";
    message << "REVISION\n";
    message << "SHEETNAME\n";
    message << "SHEETPATH\n";
    message << "TITLE\n";
 
    dlg.ListSet( message );
    dlg.ShowModal();
}