mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-15 23:49:37 +00:00
136 lines
2.7 KiB
C++
136 lines
2.7 KiB
C++
/**
|
|
* \file EmptyTable.cpp
|
|
* This file is part of LyX, the document processor.
|
|
* Licence details can be found in the file COPYING.
|
|
*
|
|
* \author John Levon
|
|
* \author Jürgen Spitzmüller
|
|
*
|
|
* Full author contact details are available in file CREDITS.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "EmptyTable.h"
|
|
|
|
#include "support/debug.h"
|
|
|
|
#include <QPainter>
|
|
#include <QMouseEvent>
|
|
|
|
/**
|
|
* A simple widget for a quick "preview" in TabularCreateDialog
|
|
*/
|
|
|
|
unsigned int const cellheight = 20;
|
|
unsigned int const cellwidth = 30;
|
|
|
|
|
|
EmptyTable::EmptyTable(QWidget * parent, int rows, int columns)
|
|
: QTableWidget(rows, columns, parent)
|
|
{
|
|
resetCellSize();
|
|
setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
|
|
setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
|
|
viewport()->resize(cellheight * rows, cellwidth * columns);
|
|
setSelectionMode(QAbstractItemView::NoSelection);
|
|
setEditTriggers(QAbstractItemView::NoEditTriggers);
|
|
}
|
|
|
|
|
|
QSize EmptyTable::sizeHint() const
|
|
{
|
|
return QSize(cellwidth * (2 + columnCount()), cellheight * (2 + rowCount()));
|
|
}
|
|
|
|
void EmptyTable::resetCellSize()
|
|
{
|
|
for(int i = 0; i < rowCount(); ++i)
|
|
setRowHeight(i, cellheight);
|
|
for(int i = 0; i < columnCount(); ++i)
|
|
setColumnWidth(i, cellwidth);
|
|
}
|
|
|
|
void EmptyTable::paintCell(QPainter * p, int row, int col)
|
|
{
|
|
int const x2 = columnWidth(col) - 1;
|
|
int const y2 = rowHeight(row) - 1;
|
|
|
|
p->fillRect(0, 0, x2, y2, QColor("white"));
|
|
p->drawLine(x2, 0, x2, y2);
|
|
p->drawLine(0, y2, x2, y2);
|
|
|
|
if (row + 1 != rowCount() || col + 1 != columnCount())
|
|
return;
|
|
|
|
// draw handle
|
|
int const step = cellheight / 5;
|
|
int const space = 4;
|
|
int x = cellwidth - step;
|
|
int const y = cellheight - space;
|
|
int const ex = cellwidth - space;
|
|
int ey = cellheight - step;
|
|
while (x > space) {
|
|
p->drawLine(x, y, ex, ey);
|
|
x -= step;
|
|
ey -= step;
|
|
}
|
|
}
|
|
|
|
|
|
void EmptyTable::setNumberColumns(int nr_cols)
|
|
{
|
|
if (nr_cols < 1)
|
|
return;
|
|
if (nr_cols == columnCount())
|
|
return;
|
|
setColumnCount(nr_cols);
|
|
resetCellSize();
|
|
updateGeometry();
|
|
// emit signal
|
|
colsChanged(nr_cols);
|
|
}
|
|
|
|
|
|
void EmptyTable::setNumberRows(int nr_rows)
|
|
{
|
|
if (nr_rows < 1)
|
|
return;
|
|
if (nr_rows == rowCount())
|
|
return;
|
|
setRowCount(nr_rows);
|
|
resetCellSize();
|
|
updateGeometry();
|
|
// emit signal
|
|
rowsChanged(nr_rows);
|
|
}
|
|
|
|
|
|
void EmptyTable::mouseMoveEvent(QMouseEvent *ev)
|
|
{
|
|
int cc = columnCount();
|
|
int rc = rowCount();
|
|
int x = ev->x();
|
|
int y = ev->y();
|
|
int w = cellwidth * cc;
|
|
int h = cellheight * rc;
|
|
int wl = cellwidth * (cc - 1);
|
|
int hl = cellheight * (rc - 1);
|
|
if (x > w)
|
|
setNumberColumns(cc + 1);
|
|
if (y > h)
|
|
setNumberRows(rc + 1);
|
|
if (x < wl)
|
|
setNumberColumns(cc - 1);
|
|
if (y < hl)
|
|
setNumberRows(rc - 1);
|
|
}
|
|
|
|
#include "moc_EmptyTable.cpp"
|
|
|
|
|
|
namespace lyx {
|
|
|
|
|
|
} // namespace lyx
|