You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
178 lines
4.1 KiB
178 lines
4.1 KiB
/**********************************************************************
|
|
** Copyright (C) 2000-2008 Trolltech ASA. All rights reserved.
|
|
**
|
|
** This file is part of Qt Configuration.
|
|
**
|
|
** This file may be used under the terms of the GNU General
|
|
** Public License versions 2.0 or 3.0 as published by the Free
|
|
** Software Foundation and appearing in the files LICENSE.GPL2
|
|
** and LICENSE.GPL3 included in the packaging of this file.
|
|
** Alternatively you may (at your option) use any later version
|
|
** of the GNU General Public License if such license has been
|
|
** publicly approved by Trolltech ASA (or its successors, if any)
|
|
** and the KDE Free Qt Foundation.
|
|
**
|
|
** Please review the following information to ensure GNU General
|
|
** Public Licensing requirements will be met:
|
|
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
|
|
** If you are unsure which license is appropriate for your use, please
|
|
** review the following information:
|
|
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
|
|
** or contact the sales department at sales@trolltech.com.
|
|
**
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
** accordance with the Qt Commercial License Agreement provided with
|
|
** the Software.
|
|
**
|
|
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
|
|
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
|
|
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
|
|
** herein.
|
|
**
|
|
**********************************************************************/
|
|
|
|
#include "colorbutton.h"
|
|
|
|
#include <qapplication.h>
|
|
#include <qcolordialog.h>
|
|
#include <qpainter.h>
|
|
#include <qdragobject.h>
|
|
#include <qstyle.h>
|
|
|
|
|
|
ColorButton::ColorButton(QWidget *parent, const char *name)
|
|
: QButton(parent, name), mousepressed(FALSE)
|
|
{
|
|
setAcceptDrops(TRUE);
|
|
col = black;
|
|
connect(this, SIGNAL(clicked()), SLOT(changeColor()));
|
|
}
|
|
|
|
|
|
ColorButton::ColorButton(const QColor &c, QWidget *parent, const char *name)
|
|
: QButton(parent, name)
|
|
{
|
|
setAcceptDrops(TRUE);
|
|
col = c;
|
|
connect(this, SIGNAL(clicked()), SLOT(changeColor()));
|
|
}
|
|
|
|
|
|
void ColorButton::setColor(const QColor &c)
|
|
{
|
|
col = c;
|
|
update();
|
|
}
|
|
|
|
|
|
void ColorButton::changeColor()
|
|
{
|
|
QColor c = QColorDialog::getColor(col, qApp->activeWindow());
|
|
|
|
if (c.isValid()) {
|
|
setColor(c);
|
|
emit colorChanged(color());
|
|
}
|
|
}
|
|
|
|
|
|
QSize ColorButton::sizeHint() const
|
|
{
|
|
return QSize(40, 25);
|
|
}
|
|
|
|
|
|
QSize ColorButton::minimumSizeHint() const
|
|
{
|
|
return QSize(40, 25);
|
|
}
|
|
|
|
|
|
void ColorButton::drawButton(QPainter *p)
|
|
{
|
|
style().drawPrimitive(QStyle::PE_ButtonBevel, p, rect(), colorGroup(),
|
|
isDown() ? QStyle::Style_Down : QStyle::Style_Raised);
|
|
drawButtonLabel(p);
|
|
|
|
if (hasFocus())
|
|
style().drawPrimitive(QStyle::PE_FocusRect, p,
|
|
style().subRect(QStyle::SR_PushButtonFocusRect, this),
|
|
colorGroup(), QStyle::Style_Default);
|
|
}
|
|
|
|
|
|
void ColorButton::drawButtonLabel(QPainter *p)
|
|
{
|
|
QColor pen = (isEnabled() ?
|
|
(hasFocus() ? palette().active().buttonText() :
|
|
palette().inactive().buttonText())
|
|
: palette().disabled().buttonText());
|
|
p->setPen( pen );
|
|
p->setBrush(col);
|
|
p->drawRect(width() / 4, height() / 4, width() / 2, height() / 2);
|
|
}
|
|
|
|
|
|
void ColorButton::dragEnterEvent(QDragEnterEvent *e)
|
|
{
|
|
if (! QColorDrag::canDecode(e)) {
|
|
e->ignore();
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
void ColorButton::dragMoveEvent(QDragMoveEvent *e)
|
|
{
|
|
if (! QColorDrag::canDecode(e)) {
|
|
e->ignore();
|
|
return;
|
|
}
|
|
|
|
e->accept();
|
|
}
|
|
|
|
|
|
void ColorButton::dropEvent(QDropEvent *e)
|
|
{
|
|
if (! QColorDrag::canDecode(e)) {
|
|
e->ignore();
|
|
return;
|
|
}
|
|
|
|
QColor c;
|
|
QColorDrag::decode(e, c);
|
|
setColor(c);
|
|
emit colorChanged(color());
|
|
}
|
|
|
|
|
|
void ColorButton::mousePressEvent(QMouseEvent *e)
|
|
{
|
|
presspos = e->pos();
|
|
mousepressed = TRUE;
|
|
QButton::mousePressEvent(e);
|
|
}
|
|
|
|
|
|
void ColorButton::mouseReleaseEvent(QMouseEvent *e)
|
|
{
|
|
mousepressed = FALSE;
|
|
QButton::mouseReleaseEvent(e);
|
|
}
|
|
|
|
|
|
void ColorButton::mouseMoveEvent(QMouseEvent *e)
|
|
{
|
|
if (! mousepressed)
|
|
return;
|
|
|
|
if ((presspos - e->pos()).manhattanLength() > QApplication::startDragDistance()) {
|
|
mousepressed = FALSE;
|
|
setDown(FALSE);
|
|
|
|
QColorDrag *cd = new QColorDrag(color(), this);
|
|
cd->dragCopy();
|
|
}
|
|
}
|