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Diffstat (limited to 'tqtinterface/qt4/tools/qtconfig/colorbutton.cpp')
-rw-r--r-- | tqtinterface/qt4/tools/qtconfig/colorbutton.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/tqtinterface/qt4/tools/qtconfig/colorbutton.cpp b/tqtinterface/qt4/tools/qtconfig/colorbutton.cpp new file mode 100644 index 0000000..4dd152f --- /dev/null +++ b/tqtinterface/qt4/tools/qtconfig/colorbutton.cpp @@ -0,0 +1,177 @@ +/********************************************************************** +** Copyright (C) 2000-2008 Trolltech ASA. All rights reserved. +** +** This file is part of TQt 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 TQt 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 TQt Commercial licenses may use this file in +** accordance with the TQt 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 <tqapplication.h> +#include <tqcolordialog.h> +#include <tqpainter.h> +#include <tqdragobject.h> +#include <tqstyle.h> + + +ColorButton::ColorButton(TQWidget *tqparent, const char *name) + : TQButton(tqparent, name), mousepressed(FALSE) +{ + setAcceptDrops(TRUE); + col = Qt::black; + connect(this, TQT_SIGNAL(clicked()), TQT_SLOT(changeColor())); +} + + +ColorButton::ColorButton(const TQColor &c, TQWidget *tqparent, const char *name) + : TQButton(tqparent, name) +{ + setAcceptDrops(TRUE); + col = c; + connect(this, TQT_SIGNAL(clicked()), TQT_SLOT(changeColor())); +} + + +void ColorButton::setColor(const TQColor &c) +{ + col = c; + update(); +} + + +void ColorButton::changeColor() +{ + TQColor c = TQColorDialog::getColor(col, TQT_TQWIDGET(tqApp->activeWindow())); + + if (c.isValid()) { + setColor(c); + emit colorChanged(color()); + } +} + + +TQSize ColorButton::tqsizeHint() const +{ + return TQSize(40, 25); +} + + +TQSize ColorButton::tqminimumSizeHint() const +{ + return TQSize(40, 25); +} + + +void ColorButton::drawButton(TQPainter *p) +{ + tqstyle().tqdrawPrimitive(TQStyle::PE_ButtonBevel, p, rect(), tqcolorGroup(), + isDown() ? TQStyle::Style_Down : TQStyle::Style_Raised); + drawButtonLabel(p); + + if (hasFocus()) + tqstyle().tqdrawPrimitive(TQStyle::PE_FocusRect, p, + tqstyle().subRect(TQStyle::SR_PushButtonFocusRect, this), + tqcolorGroup(), TQStyle::Style_Default); +} + + +void ColorButton::drawButtonLabel(TQPainter *p) +{ + TQColor pen = (isEnabled() ? + (hasFocus() ? tqpalette().active().buttonText() : + tqpalette().inactive().buttonText()) + : tqpalette().disabled().buttonText()); + p->setPen( pen ); + p->setBrush(col); + p->drawRect(width() / 4, height() / 4, width() / 2, height() / 2); +} + + +void ColorButton::dragEnterEvent(TQDragEnterEvent *e) +{ + if (! TQColorDrag::canDecode(e)) { + e->ignore(); + return; + } +} + + +void ColorButton::dragMoveEvent(TQDragMoveEvent *e) +{ + if (! TQColorDrag::canDecode(e)) { + e->ignore(); + return; + } + + e->accept(); +} + + +void ColorButton::dropEvent(TQDropEvent *e) +{ + if (! TQColorDrag::canDecode(e)) { + e->ignore(); + return; + } + + TQColor c; + TQColorDrag::decode(e, c); + setColor(c); + emit colorChanged(color()); +} + + +void ColorButton::mousePressEvent(TQMouseEvent *e) +{ + presspos = e->pos(); + mousepressed = TRUE; + TQButton::mousePressEvent(e); +} + + +void ColorButton::mouseReleaseEvent(TQMouseEvent *e) +{ + mousepressed = FALSE; + TQButton::mouseReleaseEvent(e); +} + + +void ColorButton::mouseMoveEvent(TQMouseEvent *e) +{ + if (! mousepressed) + return; + + if ((presspos - e->pos()).manhattanLength() > TQApplication::startDragDistance()) { + mousepressed = FALSE; + setDown(FALSE); + + TQColorDrag *cd = new TQColorDrag(color(), this); + cd->dragCopy(); + } +} |