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178 lines
4.2 KiB
178 lines
4.2 KiB
/**********************************************************************
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** Copyright (C) 2000-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of TQt Configuration.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** Licensees holding valid TQt Commercial licenses may use this file in
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** accordance with the TQt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "colorbutton.h"
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#include <ntqapplication.h>
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#include <ntqcolordialog.h>
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#include <ntqpainter.h>
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#include <ntqdragobject.h>
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#include <ntqstyle.h>
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ColorButton::ColorButton(TQWidget *parent, const char *name)
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: TQButton(parent, name), mousepressed(FALSE)
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{
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setAcceptDrops(TRUE);
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col = black;
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connect(this, SIGNAL(clicked()), SLOT(changeColor()));
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}
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ColorButton::ColorButton(const TQColor &c, TQWidget *parent, const char *name)
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: TQButton(parent, name)
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{
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setAcceptDrops(TRUE);
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col = c;
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connect(this, SIGNAL(clicked()), SLOT(changeColor()));
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}
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void ColorButton::setColor(const TQColor &c)
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{
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col = c;
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update();
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}
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void ColorButton::changeColor()
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{
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TQColor c = TQColorDialog::getColor(col, tqApp->activeWindow());
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if (c.isValid()) {
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setColor(c);
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emit colorChanged(color());
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}
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}
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TQSize ColorButton::sizeHint() const
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{
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return TQSize(40, 25);
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}
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TQSize ColorButton::minimumSizeHint() const
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{
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return TQSize(40, 25);
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}
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void ColorButton::drawButton(TQPainter *p)
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{
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style().drawPrimitive(TQStyle::PE_ButtonBevel, p, rect(), colorGroup(),
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isDown() ? TQStyle::Style_Down : TQStyle::Style_Raised);
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drawButtonLabel(p);
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if (hasFocus())
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style().drawPrimitive(TQStyle::PE_FocusRect, p,
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style().subRect(TQStyle::SR_PushButtonFocusRect, this),
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colorGroup(), TQStyle::Style_Default);
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}
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void ColorButton::drawButtonLabel(TQPainter *p)
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{
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TQColor pen = (isEnabled() ?
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(hasFocus() ? palette().active().buttonText() :
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palette().inactive().buttonText())
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: palette().disabled().buttonText());
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p->setPen( pen );
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p->setBrush(col);
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p->drawRect(width() / 4, height() / 4, width() / 2, height() / 2);
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}
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void ColorButton::dragEnterEvent(TQDragEnterEvent *e)
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{
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if (! TQColorDrag::canDecode(e)) {
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e->ignore();
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return;
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}
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}
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void ColorButton::dragMoveEvent(TQDragMoveEvent *e)
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{
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if (! TQColorDrag::canDecode(e)) {
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e->ignore();
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return;
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}
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e->accept();
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}
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void ColorButton::dropEvent(TQDropEvent *e)
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{
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if (! TQColorDrag::canDecode(e)) {
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e->ignore();
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return;
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}
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TQColor c;
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TQColorDrag::decode(e, c);
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setColor(c);
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emit colorChanged(color());
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}
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void ColorButton::mousePressEvent(TQMouseEvent *e)
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{
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presspos = e->pos();
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mousepressed = TRUE;
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TQButton::mousePressEvent(e);
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}
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void ColorButton::mouseReleaseEvent(TQMouseEvent *e)
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{
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mousepressed = FALSE;
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TQButton::mouseReleaseEvent(e);
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}
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void ColorButton::mouseMoveEvent(TQMouseEvent *e)
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{
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if (! mousepressed)
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return;
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if ((presspos - e->pos()).manhattanLength() > TQApplication::startDragDistance()) {
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mousepressed = FALSE;
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setDown(FALSE);
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TQColorDrag *cd = new TQColorDrag(color(), this);
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cd->dragCopy();
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}
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}
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