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132 lines
4.1 KiB
132 lines
4.1 KiB
/* This file is part of the KDE project
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Copyright (C) 2005-2007 Jaroslaw Staniek <js@iidea.pl>
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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 Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this program; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KEXISIMPLEPRINTINGENGINE_H
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#define KEXISIMPLEPRINTINGENGINE_H
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class KexiSimplePrintingSettings;
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#include <kexidb/connection.h>
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#include <kexidb/tableschema.h>
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#include <kexidb/cursor.h>
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#include <kexidb/utils.h>
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#include <kexidb/queryschema.h>
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#include <widget/tableview/kexitableviewdata.h>
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#include <KoPageLayoutDia.h>
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#include <tqpaintdevicemetrics.h>
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#include <tqfontmetrics.h>
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#include <tqfont.h>
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//! @short Settings data for simple printing engine.
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class KexiSimplePrintingSettings
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{
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public:
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KexiSimplePrintingSettings();
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~KexiSimplePrintingSettings();
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static KexiSimplePrintingSettings load();
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void save();
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KoPageLayout pageLayout;
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KoUnit::Unit unit;
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TQFont pageTitleFont;
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bool addPageNumbers : 1;
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bool addDateAndTime : 1;
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bool addTableBorders : 1;
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};
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/*! @short An engine painting data on pages using TQPainter.
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The engine allows for random access to any page. */
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class KexiSimplePrintingEngine : public TQObject
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{
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Q_OBJECT
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public:
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KexiSimplePrintingEngine( const KexiSimplePrintingSettings& settings, TQObject* parent );
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~KexiSimplePrintingEngine();
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bool init(KexiDB::Connection& conn, KexiDB::TableOrQuerySchema& tableOrQuery,
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const TQString& titleText, TQString& errorMessage);
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void setTitleText(const TQString& titleText);
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//! Calculates pafe count that can be later obtained using pagesCount().
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//! Page count can depend on \a painter (printer/screen) and on printing settings.
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void calculatePagesCount(TQPainter& painter);
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bool done();
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void clear();
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const KexiSimplePrintingSettings* settings() const { return m_settings; }
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//! \return true when all records has been painted
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bool eof() const { return m_eof; }
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//! \return number of pages. Can be used after calculatePagesCount().
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uint pagesCount() const { return m_pagesCount; }
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//! \return number of painted pages so far.
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//! If eof() is true, this number is equal to total page count.
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uint paintedPages() const { return m_dataOffsets.count(); }
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public slots:
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/*! Paints a page number \a pageNumber (counted from 0) on \a painter.
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If \a paint is false, drawings are only computed but not painted,
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so this can be used for calculating page number before printing or previewing. */
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void paintPage(int pageNumber, TQPainter& painter, bool paint = true);
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protected:
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void paintRecord(TQPainter& painter, KexiTableItem *item,
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int cellMargin, double &y, uint paintedRows, bool paint, bool printing);
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const KexiSimplePrintingSettings* m_settings;
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// TQPainter* m_painter;
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TQFont m_mainFont, m_headerFont;
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TQPaintDeviceMetrics m_pdm;
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double m_dpiX, m_dpiY;
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uint m_pageWidth, m_pageHeight;
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uint m_SCALE;
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//TQFontMetrics m_headerFM, m_mainFM;
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KexiDB::Cursor *m_cursor;
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KexiTableViewData *m_data;
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// KexiTableViewData::Iterator *m_dataIterator;
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TQPtrList<uint> m_dataOffsets;
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TQString m_headerText;
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TQString m_dateTimeText;
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uint m_dateTimeWidth;
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TQRect m_headerTextRect;
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int m_maxFieldNameWidth;
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int m_mainLineSpacing;
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int m_footerHeight;
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KexiDB::QueryColumnInfo::Vector m_fieldsExpanded;
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uint m_visibleFieldsCount;
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uint m_pagesCount;
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bool m_eof;
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bool m_paintInitialized; //!< used by paintPage()
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double m_leftMargin;
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double m_rightMargin;
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double m_topMargin;
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double m_bottomMargin;
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double m_fx, m_fy;
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};
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#endif
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