319 lines
9.8 KiB
C++
319 lines
9.8 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2020 KiCad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <kicad_string.h>
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#include <scintilla_tricks.h>
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#include <wx/stc/stc.h>
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#include <gal/color4d.h>
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#include <dialog_shim.h>
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#include <wx/clipbrd.h>
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#include <wx/settings.h>
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SCINTILLA_TRICKS::SCINTILLA_TRICKS( wxStyledTextCtrl* aScintilla, const wxString& aBraces ) :
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m_te( aScintilla ),
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m_braces( aBraces ),
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m_lastCaretPos( -1 )
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{
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// A hack which causes Scintilla to auto-size the text editor canvas
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// See: https://github.com/jacobslusser/ScintillaNET/issues/216
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m_te->SetScrollWidth( 1 );
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m_te->SetScrollWidthTracking( true );
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// Set up the brace highlighting
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wxColour highlight = wxSystemSettings::GetColour( wxSYS_COLOUR_HIGHLIGHT );
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wxColour highlightText = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
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unsigned char r = highlight.Red();
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unsigned char g = highlight.Green();
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unsigned char b = highlight.Blue();
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wxColour::MakeGrey( &r, &g, &b );
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highlight.Set( r, g, b );
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m_te->StyleSetForeground( wxSTC_STYLE_BRACELIGHT, highlightText );
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m_te->StyleSetBackground( wxSTC_STYLE_BRACELIGHT, highlight );
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m_te->StyleSetForeground( wxSTC_STYLE_BRACEBAD, *wxRED );
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// Set up autocomplete
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m_te->AutoCompSetIgnoreCase( true );
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m_te->AutoCompSetFillUps( m_braces[1] );
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m_te->AutoCompSetMaxHeight( 20 );
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// Hook up events
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m_te->Bind( wxEVT_STC_UPDATEUI, &SCINTILLA_TRICKS::onScintillaUpdateUI, this );
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// Dispatch command-keys in Scintilla control.
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m_te->Bind( wxEVT_CHAR_HOOK, &SCINTILLA_TRICKS::onCharHook, this );
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}
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bool isCtrlSlash( wxKeyEvent& aEvent )
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{
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if( !aEvent.ControlDown() || aEvent.MetaDown() )
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return false;
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if( aEvent.GetUnicodeKey() == '/' )
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return true;
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// OK, now the wxWidgets hacks start.
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// (We should abandon these if https://trac.wxwidgets.org/ticket/18911 gets resolved.)
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// Many Latin America and European keyboars have have the / over the 7. We know that
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// wxWidgets messes this up and returns Shift+7 through GetUnicodeKey(). However, other
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// keyboards (such as France and Belgium) have 7 in the shifted position, so a Shift+7
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// *could* be legitimate.
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// However, we *are* checking Ctrl, so to assume any Shift+7 is a Ctrl-/ really only
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// disallows Ctrl+Shift+7 from doing something else, which is probably OK. (This routine
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// is only used in the Scintilla editor, not in the rest of Kicad.)
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// The other main shifted loation of / is over : (France and Belgium), so we'll sacrifice
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// Ctrl+Shift+: too.
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if( aEvent.ShiftDown() && ( aEvent.GetUnicodeKey() == '7' || aEvent.GetUnicodeKey() == ':' ) )
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return true;
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// A few keyboards have / in an Alt position. Since we're expressly not checking Alt for
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// up or down, those should work. However, if they don't, there's room below for yet
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// another hack....
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return false;
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}
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void SCINTILLA_TRICKS::onCharHook( wxKeyEvent& aEvent )
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{
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wxString c = aEvent.GetUnicodeKey();
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if( ConvertSmartQuotesAndDashes( &c ) )
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{
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m_te->AddText( c );
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}
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else if( aEvent.GetKeyCode() == WXK_TAB )
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{
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if( aEvent.ControlDown() )
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{
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int flags = 0;
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if( !aEvent.ShiftDown() )
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flags |= wxNavigationKeyEvent::IsForward;
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wxWindow* parent = m_te->GetParent();
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while( parent && dynamic_cast<DIALOG_SHIM*>( parent ) == nullptr )
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parent = parent->GetParent();
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if( parent )
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parent->NavigateIn( flags );
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}
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else
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{
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m_te->Tab();
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}
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}
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else if( aEvent.GetModifiers() == wxMOD_CONTROL && aEvent.GetKeyCode() == 'Z' )
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{
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m_te->Undo();
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}
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else if( ( aEvent.GetModifiers() == wxMOD_SHIFT+wxMOD_CONTROL && aEvent.GetKeyCode() == 'Z' )
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|| ( aEvent.GetModifiers() == wxMOD_CONTROL && aEvent.GetKeyCode() == 'Y' ) )
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{
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m_te->Redo();
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}
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else if( aEvent.GetModifiers() == wxMOD_CONTROL && aEvent.GetKeyCode() == 'A' )
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{
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m_te->SelectAll();
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}
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else if( aEvent.GetModifiers() == wxMOD_CONTROL && aEvent.GetKeyCode() == 'X' )
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{
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m_te->Cut();
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}
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else if( aEvent.GetModifiers() == wxMOD_CONTROL && aEvent.GetKeyCode() == 'C' )
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{
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m_te->Copy();
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}
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else if( aEvent.GetModifiers() == wxMOD_CONTROL && aEvent.GetKeyCode() == 'V' )
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{
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if( m_te->GetSelectionEnd() > m_te->GetSelectionStart() )
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m_te->DeleteBack();
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if( wxTheClipboard->Open() )
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{
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if( wxTheClipboard->IsSupported( wxDF_TEXT ) )
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{
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wxTextDataObject data;
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wxString str;
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wxTheClipboard->GetData( data );
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str = data.GetText();
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ConvertSmartQuotesAndDashes( &str );
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m_te->AddText( str );
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}
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wxTheClipboard->Close();
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}
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}
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else if( aEvent.GetKeyCode() == WXK_BACK )
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{
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m_te->DeleteBack();
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}
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else if( aEvent.GetKeyCode() == WXK_DELETE )
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{
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if( m_te->GetSelectionEnd() > m_te->GetSelectionStart() )
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m_te->DeleteBack();
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else
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m_te->DeleteRange( m_te->GetSelectionStart(), 1 );
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}
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else if( isCtrlSlash( aEvent ) )
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{
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int startLine = m_te->LineFromPosition( m_te->GetSelectionStart() );
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int endLine = m_te->LineFromPosition( m_te->GetSelectionEnd() );
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bool comment = firstNonWhitespace( startLine ) != '#';
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int whitespaceCount;
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m_te->BeginUndoAction();
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for( int ii = startLine; ii <= endLine; ++ii )
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{
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if( comment )
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m_te->InsertText( m_te->PositionFromLine( ii ), "#" );
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else if( firstNonWhitespace( ii, &whitespaceCount ) == '#' )
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m_te->DeleteRange( m_te->PositionFromLine( ii ) + whitespaceCount, 1 );
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}
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m_te->SetSelection( m_te->PositionFromLine( startLine ),
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m_te->PositionFromLine( endLine ) + m_te->GetLineLength( endLine ) );
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m_te->EndUndoAction();
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}
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else
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{
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aEvent.Skip();
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}
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}
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int SCINTILLA_TRICKS::firstNonWhitespace( int aLine, int* aWhitespaceCharCount )
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{
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int lineStart = m_te->PositionFromLine( aLine );
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if( aWhitespaceCharCount )
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*aWhitespaceCharCount = 0;
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for( int ii = 0; ii < m_te->GetLineLength( aLine ); ++ii )
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{
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int c = m_te->GetCharAt( lineStart + ii );
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if( c == ' ' || c == '\t' )
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{
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if( aWhitespaceCharCount )
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*aWhitespaceCharCount += 1;
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continue;
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}
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else
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{
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return c;
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}
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}
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return '\r';
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}
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void SCINTILLA_TRICKS::onScintillaUpdateUI( wxStyledTextEvent& aEvent )
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{
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auto isBrace = [this]( int c ) -> bool
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{
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return m_braces.Find( (wxChar) c ) >= 0;
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};
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// Has the caret changed position?
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int caretPos = m_te->GetCurrentPos();
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if( m_lastCaretPos != caretPos )
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{
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m_lastCaretPos = caretPos;
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int bracePos1 = -1;
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int bracePos2 = -1;
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// Is there a brace to the left or right?
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if( caretPos > 0 && isBrace( m_te->GetCharAt( caretPos-1 ) ) )
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bracePos1 = ( caretPos - 1 );
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else if( isBrace( m_te->GetCharAt( caretPos ) ) )
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bracePos1 = caretPos;
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if( bracePos1 >= 0 )
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{
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// Find the matching brace
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bracePos2 = m_te->BraceMatch( bracePos1 );
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if( bracePos2 == -1 )
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{
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m_te->BraceBadLight( bracePos1 );
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m_te->SetHighlightGuide( 0 );
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}
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else
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{
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m_te->BraceHighlight( bracePos1, bracePos2 );
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m_te->SetHighlightGuide( m_te->GetColumn( bracePos1 ) );
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}
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}
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else
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{
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// Turn off brace matching
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m_te->BraceHighlight( -1, -1 );
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m_te->SetHighlightGuide( 0 );
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}
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}
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}
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void SCINTILLA_TRICKS::DoAutocomplete( const wxString& aPartial, const wxArrayString& aTokens )
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{
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wxArrayString matchedTokens;
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wxString filter = wxT( "*" ) + aPartial.Lower() + wxT( "*" );
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for( const wxString& token : aTokens )
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{
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if( token.Lower().Matches( filter ) )
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matchedTokens.push_back( token );
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}
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if( matchedTokens.size() > 0 )
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{
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// NB: tokens MUST be in alphabetical order because the Scintilla engine is going
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// to do a binary search on them
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matchedTokens.Sort( []( const wxString& first, const wxString& second ) -> int
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{
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return first.CmpNoCase( second );
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});
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m_te->AutoCompShow( aPartial.size(), wxJoin( matchedTokens, ' ' ) );
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}
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}
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