Function MsgNotify

src/Notepad2.c:3977–4255

============================================================================= MsgNotify() - Handles WM_NOTIFY

//
//
LRESULT MsgNotify ( HWND hwnd, WPARAM wParam, LPARAM lParam )
{
    LPNMHDR pnmh = ( LPNMHDR ) lParam;
    struct SCNotification *scn = ( struct SCNotification * ) lParam;
    switch ( pnmh->idFrom ) {
        case IDC_EDIT:
            switch ( pnmh->code ) {
                case SCN_UPDATEUI:
                    if ( scn->updated & ~ ( SC_UPDATE_V_SCROLL | SC_UPDATE_H_SCROLL ) ) {
                        UpdateToolbar();
                        UpdateStatusbar();
                        // Invalidate invalid selections
                        // #pragma message("TODO: Remove check for invalid selections once fixed in Scintilla")
                        if ( SendMessage ( hwndEdit, SCI_GETSELECTIONS, 0, 0 ) > 1 &&
                                SendMessage ( hwndEdit, SCI_GETSELECTIONMODE, 0, 0 ) != SC_SEL_RECTANGLE ) {
                            int iCurPos = ( int ) SendMessage ( hwndEdit, SCI_GETCURRENTPOS, 0, 0 );
                            SendMessage ( hwndEdit, WM_CANCELMODE, 0, 0 );
                            SendMessage ( hwndEdit, SCI_CLEARSELECTIONS, 0, 0 );
                            SendMessage ( hwndEdit, SCI_SETSELECTION, ( WPARAM ) iCurPos, ( LPARAM ) iCurPos );
                        }
                        // Brace Match
                        if ( bMatchBraces ) {
                            int iPos;
                            char c;
                            int iEndStyled = ( int ) SendMessage ( hwndEdit, SCI_GETENDSTYLED, 0, 0 );
                            if ( iEndStyled < ( int ) SendMessage ( hwndEdit, SCI_GETLENGTH, 0, 0 ) ) {
                                int iLine = ( int ) SendMessage ( hwndEdit, SCI_LINEFROMPOSITION, iEndStyled, 0 );
                                int iEndStyled = ( int ) SendMessage ( hwndEdit, SCI_POSITIONFROMLINE, iLine, 0 );
                                SendMessage ( hwndEdit, SCI_COLOURISE, iEndStyled, -1 );
                            }
                            iPos = ( int ) SendMessage ( hwndEdit, SCI_GETCURRENTPOS, 0, 0 );
                            c = ( char ) SendMessage ( hwndEdit, SCI_GETCHARAT, iPos, 0 );
                            if ( StrChrA ( "()[]{}", c ) ) {
                                int iBrace2 = ( int ) SendMessage ( hwndEdit, SCI_BRACEMATCH, iPos, 0 );
                                if ( iBrace2 != -1 ) {
                                    int col1 = ( int ) SendMessage ( hwndEdit, SCI_GETCOLUMN, iPos, 0 );
                                    int col2 = ( int ) SendMessage ( hwndEdit, SCI_GETCOLUMN, iBrace2, 0 );
                                    SendMessage ( hwndEdit, SCI_BRACEHIGHLIGHT, iPos, iBrace2 );
                                    SendMessage ( hwndEdit, SCI_SETHIGHLIGHTGUIDE, min ( col1, col2 ), 0 );
                                } else {
                                    SendMessage ( hwndEdit, SCI_BRACEBADLIGHT, iPos, 0 );
                                    SendMessage ( hwndEdit, SCI_SETHIGHLIGHTGUIDE, 0, 0 );
                                }
                            }
                            // Try one before
                            else {
                                iPos = ( int ) SendMessage ( hwndEdit, SCI_POSITIONBEFORE, iPos, 0 );
                                c = ( char ) SendMessage ( hwndEdit, SCI_GETCHARAT, iPos, 0 );
                                if ( StrChrA ( "()[]{}", c ) ) {
                                    int iBrace2 = ( int ) SendMessage ( hwndEdit, SCI_BRACEMATCH, iPos, 0 );
                                    if ( iBrace2 != -1 ) {
                                        int col1 = ( int ) SendMessage ( hwndEdit, SCI_GETCOLUMN, iPos, 0 );
                                        int col2 = ( int ) SendMessage ( hwndEdit, SCI_GETCOLUMN, iBrace2, 0 );
                                        SendMessage ( hwndEdit, SCI_BRACEHIGHLIGHT, iPos, iBrace2 );
                                        SendMessage ( hwndEdit, SCI_SETHIGHLIGHTGUIDE, min ( col1, col2 ), 0 );
                                    } else {
                                        SendMessage ( hwndEdit, SCI_BRACEBADLIGHT, iPos, 0 );
                                        SendMessage ( hwndEdit, SCI_SETHIGHLIGHTGUIDE, 0, 0 );