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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
#ifndef QCOLORWELL_P_H
#define QCOLORWELL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qrect.h>
#include <QtWidgets/qwidget.h>
QT_REQUIRE_CONFIG(colordialog);
QT_BEGIN_NAMESPACE
class QWellArray : public QWidget
{
Q_OBJECT
Q_PROPERTY(int selectedColumn READ selectedColumn)
Q_PROPERTY(int selectedRow READ selectedRow)
public:
QWellArray(int rows, int cols, QWidget *parent = nullptr);
~QWellArray() { }
int currentColumn() const { return curCol; }
int currentRow() const { return curRow; }
int selectedColumn() const { return selCol; }
int selectedRow() const { return selRow; }
virtual void setCurrent(int row, int col);
virtual void setSelected(int row, int col);
QSize sizeHint() const override;
inline int cellWidth() const { return cellw; }
inline int cellHeight() const { return cellh; }
inline int rowAt(int y) const { return y / cellh; }
inline int columnAt(int x) const
{
if (isRightToLeft())
return ncols - (x / cellw) - 1;
return x / cellw;
}
inline int rowY(int row) const { return cellh * row; }
inline int columnX(int column) const
{
if (isRightToLeft())
return cellw * (ncols - column - 1);
return cellw * column;
}
inline int numRows() const { return nrows; }
inline int numCols() const { return ncols; }
inline int index(int row, int col) { return col * nrows + row; }
inline QRect cellRect() const { return QRect(0, 0, cellw, cellh); }
inline QSize gridSize() const { return QSize(ncols * cellw, nrows * cellh); }
QRect cellGeometry(int row, int column)
{
QRect r;
if (row >= 0 && row < nrows && column >= 0 && column < ncols)
r.setRect(columnX(column), rowY(row), cellw, cellh);
return r;
}
inline void updateCell(int row, int column) { update(cellGeometry(row, column)); }
signals:
void selected(int row, int col);
void currentChanged(int row, int col);
void colorChanged(int index, QRgb color);
protected:
virtual void paintCell(QPainter *, int row, int col, const QRect &);
virtual void paintCellContents(QPainter *, int row, int col, const QRect &);
void mousePressEvent(QMouseEvent *) override;
void mouseReleaseEvent(QMouseEvent *) override;
void keyPressEvent(QKeyEvent *) override;
void focusInEvent(QFocusEvent *) override;
void focusOutEvent(QFocusEvent *) override;
void paintEvent(QPaintEvent *) override;
void sendAccessibleChildFocusEvent();
private:
Q_DISABLE_COPY(QWellArray)
int nrows;
int ncols;
int cellw;
int cellh;
int curRow;
int curCol;
int selRow;
int selCol;
};
class QColorWell : public QWellArray
{
Q_OBJECT
public:
QColorWell(QWidget *parent, int r, int c, const QRgb *vals)
: QWellArray(r, c, parent), values(vals), mousePressed(false), oldCurrent(-1, -1)
{
setSizePolicy(QSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum));
}
const QRgb *rgbValues() { return values; }
protected:
void paintCellContents(QPainter *, int row, int col, const QRect &) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
#if QT_CONFIG(draganddrop)
void dragEnterEvent(QDragEnterEvent *e) override;
void dragLeaveEvent(QDragLeaveEvent *e) override;
void dragMoveEvent(QDragMoveEvent *e) override;
void dropEvent(QDropEvent *e) override;
#endif
private:
const QRgb *values;
bool mousePressed;
QPoint pressPos;
QPoint oldCurrent;
};
QT_END_NAMESPACE
#endif // QCOLORWELL_P_H