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180 lines
3.9 KiB
C++
180 lines
3.9 KiB
C++
/**
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* \file InsertTableWidget.cpp
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*
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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 Edwin Leuven
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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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#include "InsertTableWidget.h"
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#include "GuiView.h"
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#include "qt_helpers.h"
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// DispatchResult.h is needed by the windows compiler because lyx::dispatch
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// returns a DispatchResult const reference. Gcc does not complain. Weird...
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#include "DispatchResult.h"
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#include "FuncStatus.h"
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#include "FuncRequest.h"
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#include "LyX.h"
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#include <QMouseEvent>
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#include <QPainter>
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#include <QString>
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#include <QToolTip>
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namespace lyx {
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namespace frontend {
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InsertTableWidget::InsertTableWidget(QWidget * parent)
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: QWidget(parent, Qt::Popup), colwidth_(15), rowheight_(15), minrows_(5), mincols_(5)
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{
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init();
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setMouseTracking(true);
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}
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void InsertTableWidget::init()
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{
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rows_ = minrows_;
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cols_ = mincols_;
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bottom_ = 0;
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right_ = 0;
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underMouse_ = false;
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}
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void InsertTableWidget::show(bool show)
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{
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if (!show)
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return;
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init();
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resetGeometry();
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setVisible(true);
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// emit signal
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visible(true);
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}
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void InsertTableWidget::resetGeometry()
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{
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QPoint p = parentWidget()->mapToGlobal(parentWidget()->geometry().bottomLeft());
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setGeometry(p.x() - parentWidget()->pos().x(),
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p.y() - parentWidget()->pos().y(),
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cols_ * colwidth_ + 1, rows_ * rowheight_ + 1);
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}
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void InsertTableWidget::mouseMoveEvent(QMouseEvent * event)
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{
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// do this ourselves because when the mouse leaves the app
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// we get an enter event (ie underMouse() is true)!!
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
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underMouse_ = geometry().contains(event->globalPosition().toPoint());
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#else
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underMouse_ = geometry().contains(event->globalPos());
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#endif
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if (!underMouse_) {
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bottom_ = 0;
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right_ = 0;
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update();
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return;
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}
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int const r0 = right_;
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int const b0 = bottom_;
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
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right_ = event->position().x() / colwidth_ + 1;
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bottom_ = event->position().y() / rowheight_ + 1;
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#else
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right_ = event->x() / colwidth_ + 1;
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bottom_ = event->y() / rowheight_ + 1;
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#endif
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int const newrows = std::max(minrows_, bottom_ + 1);
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if (rows_ != newrows) {
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rows_ = newrows;
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resetGeometry();
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}
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int const newcols = std::max(mincols_, right_ + 1);
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if (cols_ != newcols) {
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cols_ = newcols;
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resetGeometry();
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}
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if (bottom_ != b0 || right_ != r0) {
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update();
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QString const status = QString("%1x%2").arg(bottom_).arg(right_);
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
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QToolTip::showText(event->globalPosition().toPoint(), status , this);
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#else
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QToolTip::showText(event->globalPos(), status , this);
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#endif
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}
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}
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void InsertTableWidget::mouseReleaseEvent(QMouseEvent * /*event*/)
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{
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if (underMouse_) {
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QString const qdata = QString("%1 %2").arg(bottom_).arg(right_);
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lyx::dispatch(FuncRequest(LFUN_TABULAR_INSERT, fromqstr(qdata)));
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}
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// emit signal
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visible(false);
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close();
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}
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void InsertTableWidget::mousePressEvent(QMouseEvent * /*event*/)
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{
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// swallow this one
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}
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void InsertTableWidget::paintEvent(QPaintEvent * /*event*/)
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{
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QPalette const palette = this->palette();
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drawGrid(rows_, cols_, palette.base(), palette.text().color());
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if (underMouse_)
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drawGrid(bottom_, right_, palette.highlight(),
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palette.highlightedText().color());
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}
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void InsertTableWidget::drawGrid(int const rows, int const cols,
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QBrush const fillBrush, QColor lineColor)
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{
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QPainter painter(this);
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painter.setPen(lineColor);
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painter.setBrush(fillBrush);
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for (int r = 0 ; r < rows ; ++r ) {
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for (int c = 0 ; c < cols ; ++c ) {
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QRect rectangle(c * colwidth_, r * rowheight_, colwidth_, rowheight_);
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painter.drawRect(rectangle);
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}
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}
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}
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void InsertTableWidget::updateParent()
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{
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bool status = getStatus(FuncRequest(LFUN_TABULAR_INSERT)).enabled();
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parentWidget()->setEnabled(status);
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}
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} // namespace frontend
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} // namespace lyx
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#include "moc_InsertTableWidget.cpp"
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