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814b819451
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5447 a592a061-630c-0410-9148-cb99ea01b6c8
111 lines
2.0 KiB
C
111 lines
2.0 KiB
C
/**
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* \file emptytable.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author John Levon
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*
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* Full author contact details are available in file CREDITS
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*/
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "emptytable.h"
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/**
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* A simple widget for a quick "preview" in TabularCreateDialog
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*/
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unsigned int const cellsize = 20;
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EmptyTable::EmptyTable(QWidget * parent, const char * name)
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: QtTableView(parent, name, WRepaintNoErase)
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{
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setNumCols(5);
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setNumRows(5);
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setCellWidth(cellsize);
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setCellHeight(cellsize);
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setTableFlags(Tbl_autoScrollBars);
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}
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QSize EmptyTable::sizeHint() const
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{
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return QSize(cellsize * numCols(), cellsize * numRows());
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}
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void EmptyTable::paintCell(QPainter * p, int row, int col)
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{
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int const x2 = cellWidth(col) - 1;
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int const y2 = cellHeight(row) - 1;
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p->fillRect(0, 0, x2, y2, QColor("white"));
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p->drawLine(x2, 0, x2, y2);
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p->drawLine(0, y2, x2, y2);
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if (row + 1 != numRows() || col + 1 != numCols())
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return;
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// draw handle
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int const step = cellsize / 5;
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int const space = 4;
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int x = cellsize - step;
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int const y = cellsize - space;
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int const ex = cellsize - space;
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int ey = cellsize - step;
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while (x > space) {
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p->drawLine(x, y, ex, ey);
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x -= step;
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ey -= step;
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}
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}
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void EmptyTable::setNumberColumns(int nr_cols)
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{
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if (nr_cols < 1)
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return;
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if (nr_cols == numCols())
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return;
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setAutoUpdate(false);
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setNumCols(nr_cols);
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updateGeometry();
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setAutoUpdate(true);
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update();
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emit colsChanged(nr_cols);
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}
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void EmptyTable::setNumberRows(int nr_rows)
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{
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if (nr_rows < 1)
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return;
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if (nr_rows == numRows())
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return;
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setAutoUpdate(false);
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setNumRows(nr_rows);
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updateGeometry();
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setAutoUpdate(true);
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update();
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emit rowsChanged(nr_rows);
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}
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void EmptyTable::mouseMoveEvent(QMouseEvent *ev)
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{
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int const x = ev->pos().x();
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int const y = ev->pos().y();
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if (x > 0)
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setNumberColumns(x / cellsize + leftCell());
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if (y > 0)
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setNumberRows(y / cellsize + topCell());
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}
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