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Home » U++ Library support » RichText,QTF,RTF... » Skipping footer/header and page numbering...
Skipping footer/header and page numbering... [message #58309] Fri, 15 April 2022 22:56
Tom1
Messages: 1086
Registered: March 2007
Senior Contributor
Hi Mirek,

Would it be possible to add a feature to skip footer/header and page numbering (with offset) in the beginning of a document?

The code needed follows:

RichText/HeaderFooter.cpp:
void RichText::PaintHeaderFooter(PageDraw& pw, const Rect& page, PageY py, const PaintInfo& pi_,
                                 int from_page, int to_page) const
{
	PaintInfo pi = pi_;
	pi.sell = pi.selh = 0;
	RichContext rc = Context(page, py);
	int last_page = -1;
	int pagecount = GetHeight(page).page + 1;
	int i = 0;
	while(last_page <= to_page) {
		while(last_page < rc.py.page) {
			last_page++;
			if(last_page >= from_page && (rc.header || rc.footer) && last_page >= pi_.header_footer_skip_pages) {
				if(rc.header_cy)
					GetHeaderFooterText(rc.header, last_page-pi_.header_footer_skip_pages, pagecount-pi_.header_footer_skip_pages).Paint(pw, PageY(last_page, page.top), page, pi);
				if(rc.footer_cy)
					GetHeaderFooterText(rc.footer, last_page-pi_.header_footer_skip_pages, pagecount-pi_.header_footer_skip_pages).Paint(pw, PageY(last_page, page.bottom - rc.footer_cy), page, pi);
			}
		}
		if(++i >= GetPartCount())
			break;
		RichContext begin;
		Advance(i, rc, begin);
	}
}

RichText/RichText.h:
struct PaintInfo {
	Zoom    zoom;
	int     sell, selh;
	int     tablesel;
	Rect    cells;
	PageY   top;
	PageY   bottom;
	Color   hyperlink;
	Color   indexentry;
	Color   textcolor; // not Null overrides text color, makes paper transparent, useful for QTFDisplay
	bool    indexentrybg;
	bool    usecache;
	bool    sizetracking;
	Color   showcodes;
	Bits  (*spellingchecker)(const RichPara& para);
	int     highlightpara;
	Color   highlight;
	bool    darktheme;
	void   *context;
	bool    showlabels;
	bool    shrink_oversized_objects;
	int	header_footer_skip_pages;                                 // << ADDED THIS!
	void  (*DrawSelection)(Draw& w, int x, int y, int cx, int cy);

	Color   ResolveInk(Color ink) const;
	Color   ResolvePaper(Color paper) const;

	PaintInfo();
};

RichText/ParaData.cpp:
PaintInfo::PaintInfo()
{
	sell = selh = 0;
	tablesel = 0;
	top = PageY(0, 0);
	bottom = PageY(INT_MAX, INT_MAX);
	hyperlink = SColorMark();
	usecache = false;
	sizetracking = false;
	showcodes = Null;
	spellingchecker = NULL;
	highlightpara = -1;
	highlight = Yellow();
	indexentry = LtGreen();
	indexentrybg = false;
	darktheme = false;
	context = NULL;
	showlabels = false;
	shrink_oversized_objects = false;
	header_footer_skip_pages = 0;          // << ADDED THIS
	textcolor = Null;
	DrawSelection = [] (Draw& w, int x, int y, int cx, int cy) {
		w.DrawRect(x, y, cx, cy, InvertColor);
	};
}


Unfortunately, this does not get saved within the document. That would require support added in QTF format.

As for GUI, I just added this as a menu option in a modified UWord. However, it would be most logical to include it in the Header/Footer dialog as a 'Pages to skip' entry field.

I'm not in any hurry with this, but it would be nice to have it included some time after 2022.1.

Best regards,

Tom
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