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351 lines
12 KiB
351 lines
12 KiB
////////////////////////////////////////////////////////////////////////////// |
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// nitrogenbutton.cpp |
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// ------------------- |
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// |
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// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr> |
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// Copyright (c) 2006, 2007 Riccardo Iaconelli <riccardo@kde.org> |
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// Copyright (c) 2006, 2007 Casper Boemann <cbr@boemann.dk> |
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// |
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// Permission is hereby granted, free of charge, to any person obtaining a copy |
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// of this software and associated documentation files (the "Software"), to |
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// deal in the Software without restriction, including without limitation the |
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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// sell copies of the Software, and to permit persons to whom the Software is |
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// furnished to do so, subject to the following conditions: |
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// |
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// The above copyright notice and this permission notice shall be included in |
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// all copies or substantial portions of the Software. |
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// |
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
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// IN THE SOFTWARE. |
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////////////////////////////////////////////////////////////////////////////// |
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#include <cmath> |
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#include <QPainterPath> |
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#include <QPainter> |
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#include <QPen> |
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#include <KColorUtils> |
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#include <KColorScheme> |
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#include <kcommondecoration.h> |
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#include "nitrogenbutton.h" |
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#include "nitrogenclient.h" |
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#include "nitrogen.h" |
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namespace Nitrogen |
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{ |
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//_______________________________________________ |
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NitrogenButton::NitrogenButton(NitrogenClient &parent, |
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const QString& tip, ButtonType type): |
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KCommonDecorationButton((::ButtonType)type, &parent), |
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client_(parent), |
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helper_( parent.helper() ), |
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type_(type), |
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colorCacheInvalid_(true) |
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{ |
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setAutoFillBackground(false); |
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setAttribute(Qt::WA_NoSystemBackground); |
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{ |
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unsigned int size( client_.configuration().buttonSize() ); |
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setFixedSize( size, size ); |
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} |
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setCursor(Qt::ArrowCursor); |
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setToolTip(tip); |
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} |
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//_______________________________________________ |
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NitrogenButton::~NitrogenButton() |
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{} |
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//declare function from Nitrogenclient.cpp |
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QColor reduceContrast(const QColor &c0, const QColor &c1, double t); |
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//_______________________________________________ |
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QColor NitrogenButton::buttonDetailColor(const QPalette &palette) |
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{ |
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if (client_.isActive()) return palette.color(QPalette::Active, QPalette::ButtonText); |
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else { |
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if (colorCacheInvalid_) |
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{ |
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QColor ab = palette.color(QPalette::Active, QPalette::Button); |
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QColor af = palette.color(QPalette::Active, QPalette::ButtonText); |
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QColor nb = palette.color(QPalette::Inactive, QPalette::Button); |
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QColor nf = palette.color(QPalette::Inactive, QPalette::ButtonText); |
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colorCacheInvalid_ = false; |
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cachedButtonDetailColor_ = reduceContrast(nb, nf, qMax(qreal(2.5), KColorUtils::contrastRatio(ab, KColorUtils::mix(ab, af, 0.4)))); |
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} |
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return cachedButtonDetailColor_; |
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} |
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} |
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//___________________________________________________ |
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QSize NitrogenButton::sizeHint() const |
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{ |
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unsigned int size( client_.configuration().buttonSize() ); |
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return QSize( size, size ); |
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} |
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//___________________________________________________ |
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void NitrogenButton::enterEvent(QEvent *e) |
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{ |
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KCommonDecorationButton::enterEvent(e); |
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if (status_ != Nitrogen::Pressed) status_ = Nitrogen::Hovered; |
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update(); |
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} |
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//___________________________________________________ |
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void NitrogenButton::leaveEvent(QEvent *e) |
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{ |
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KCommonDecorationButton::leaveEvent(e); |
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status_ = Nitrogen::Normal; |
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update(); |
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} |
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//___________________________________________________ |
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void NitrogenButton::mousePressEvent(QMouseEvent *e) |
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{ |
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status_ = Nitrogen::Pressed; |
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update(); |
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KCommonDecorationButton::mousePressEvent(e); |
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} |
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//___________________________________________________ |
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void NitrogenButton::mouseReleaseEvent(QMouseEvent *e) |
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{ |
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status_ = Nitrogen::Normal; |
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update(); |
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KCommonDecorationButton::mouseReleaseEvent(e); |
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} |
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//___________________________________________________ |
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void NitrogenButton::paintEvent(QPaintEvent *event) |
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{ |
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QPainter painter(this); |
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painter.setClipRect(this->rect().intersected( event->rect() ) ); |
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QPalette palette = NitrogenButton::palette(); |
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if( client_.isActive() ) palette.setCurrentColorGroup(QPalette::Active); |
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else palette.setCurrentColorGroup(QPalette::Inactive); |
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client_.renderWindowBackground( &painter, rect(), this, palette ); |
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// draw dividing line |
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painter.setRenderHints(QPainter::Antialiasing); |
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QRect frame = client_.widget()->rect(); |
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int x = -this->geometry().x()+1; |
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int w = frame.width()-2; |
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const int titleHeight = client_.layoutMetric(KCommonDecoration::LM_TitleHeight); |
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QColor color = ( client_.configuration().overwriteColors() ) ? |
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palette.window().color() : |
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client_.options()->color( KDecorationDefines::ColorTitleBar, client_.isActive()); |
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QColor light = helper_.calcLightColor( color ); |
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QColor dark = helper_.calcDarkColor( color ); |
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dark.setAlpha(120); |
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if(client_.isActive() && client_.configuration().drawSeparator() ) |
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{ helper_.drawSeparator(&painter, QRect(x, titleHeight-1.5, w, 2), color, Qt::Horizontal); } |
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if (type_ == ButtonMenu) |
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{ |
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const QPixmap& pixmap( client_.icon().pixmap( client_.configuration().iconScale() ) ); |
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double offset = 0.5*(width()-pixmap.width() ); |
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painter.drawPixmap(offset, offset-1, pixmap ); |
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return; |
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} |
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color = buttonDetailColor(palette); |
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if(status_ == Nitrogen::Hovered || status_ == Nitrogen::Pressed) |
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{ |
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if(type_ == ButtonClose) color = KColorScheme(palette.currentColorGroup()).foreground(KColorScheme::NegativeText).color(); |
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else color = KColorScheme(palette.currentColorGroup()).decoration(KColorScheme::HoverColor).color(); |
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} |
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// translate buttons up if window is not maximized |
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if(client_.maximizeMode() == NitrogenClient::MaximizeRestore) |
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{ painter.translate( 0, -1 ); } |
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// button shape color |
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QColor bt = client_.configuration().overwriteColors() ? |
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palette.window().color(): |
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client_.options()->color(KDecorationDefines::ColorTitleBar, client_.isActive()); |
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// draw button shape |
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painter.drawPixmap(0, 0, helper_.windecoButton(bt, status_ == Nitrogen::Pressed, client_.configuration().buttonType(), (21.0*client_.configuration().buttonSize())/22 ) ); |
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// draw glow on hover |
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if( status_ == Nitrogen::Hovered ) |
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{ painter.drawPixmap(0, 0, helper_.windecoButtonGlow(color, (21.0*client_.configuration().buttonSize())/22)); } |
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// draw button icon |
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if (client_.isActive()) |
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{ |
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QLinearGradient lg = helper_.decoGradient( QRect( 4, 4, 13, 13 ), color); |
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painter.setRenderHints(QPainter::Antialiasing); |
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qreal width( client_.configuration().buttonType() == NitrogenConfiguration::ButtonKde43 ? 1.4:2.2 ); |
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painter.setBrush(Qt::NoBrush); |
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if( client_.configuration().buttonType() == NitrogenConfiguration::ButtonKde42 ) |
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{ |
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painter.setPen(QPen(lg, width, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin)); |
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} else { |
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painter.setPen(QPen(color, width, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin)); |
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} |
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drawIcon(&painter, palette, type_); |
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} else { |
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// outlined mode |
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QPixmap pixmap(size()); |
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pixmap.fill(Qt::transparent); |
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QPainter pp(&pixmap); |
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pp.setRenderHints(QPainter::Antialiasing); |
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pp.setBrush(Qt::NoBrush); |
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pp.setPen(QPen(color, 3.0, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin)); |
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drawIcon(&pp, palette, type_); |
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pp.setCompositionMode(QPainter::CompositionMode_DestinationOut); |
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pp.setPen(QPen(color, 1.0, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin)); |
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drawIcon(&pp, palette, type_); |
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painter.drawPixmap(QPoint(0,0), pixmap); |
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} |
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} |
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//___________________________________________________ |
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void NitrogenButton::drawIcon(QPainter *painter, QPalette &palette, ButtonType &type) |
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{ |
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painter->save(); |
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painter->setWindow( 0, 0, 22, 22 ); |
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QPen newPen = painter->pen(); |
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switch(type) |
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{ |
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case ButtonSticky: |
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if(isChecked()) { |
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newPen.setColor(KColorScheme(palette.currentColorGroup()).decoration(KColorScheme::HoverColor).color()); |
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painter->setPen(newPen); |
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} |
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painter->drawPoint(QPointF(10.5,10.5)); |
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break; |
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case ButtonHelp: |
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painter->translate(1.5, 1.5); |
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painter->drawArc(7,5,4,4,135*16, -180*16); |
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painter->drawArc(9,8,4,4,135*16,45*16); |
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painter->drawPoint(9,12); |
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painter->translate(-1.5, -1.5); |
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break; |
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case ButtonMin: |
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painter->drawLine(QPointF( 7.5, 9.5), QPointF(10.5,12.5)); |
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painter->drawLine(QPointF(10.5,12.5), QPointF(13.5, 9.5)); |
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break; |
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case ButtonMax: |
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switch(client_.maximizeMode()) |
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{ |
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case NitrogenClient::MaximizeRestore: |
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case NitrogenClient::MaximizeVertical: |
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case NitrogenClient::MaximizeHorizontal: |
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painter->drawLine(QPointF( 7.5,11.5), QPointF(10.5, 8.5)); |
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painter->drawLine(QPointF(10.5, 8.5), QPointF(13.5,11.5)); |
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break; |
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case NitrogenClient::MaximizeFull: |
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{ |
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painter->translate(1.5, 1.5); |
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QPoint points[4] = {QPoint(9, 6), QPoint(12, 9), QPoint(9, 12), QPoint(6, 9)}; |
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painter->drawPolygon(points, 4); |
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painter->translate(-1.5, -1.5); |
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break; |
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} |
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} |
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break; |
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case ButtonClose: |
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painter->drawLine(QPointF( 7.5,7.5), QPointF(13.5,13.5)); |
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painter->drawLine(QPointF(13.5,7.5), QPointF( 7.5,13.5)); |
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break; |
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case ButtonAbove: |
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if(isChecked()) { |
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QPen newPen = painter->pen(); |
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newPen.setColor(KColorScheme(palette.currentColorGroup()).decoration(KColorScheme::HoverColor).color()); |
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painter->setPen(newPen); |
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} |
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painter->drawLine(QPointF( 7.5,14), QPointF(10.5,11)); |
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painter->drawLine(QPointF(10.5,11), QPointF(13.5,14)); |
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painter->drawLine(QPointF( 7.5,10), QPointF(10.5, 7)); |
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painter->drawLine(QPointF(10.5, 7), QPointF(13.5,10)); |
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break; |
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case ButtonBelow: |
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if(isChecked()) { |
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QPen newPen = painter->pen(); |
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newPen.setColor(KColorScheme(palette.currentColorGroup()).decoration(KColorScheme::HoverColor).color()); |
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painter->setPen(newPen); |
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} |
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painter->drawLine(QPointF( 7.5,11), QPointF(10.5,14)); |
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painter->drawLine(QPointF(10.5,14), QPointF(13.5,11)); |
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painter->drawLine(QPointF( 7.5, 7), QPointF(10.5,10)); |
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painter->drawLine(QPointF(10.5,10), QPointF(13.5, 7)); |
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break; |
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case ButtonShade: |
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if (!isChecked()) |
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{ |
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// shade button |
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painter->drawLine(QPointF( 7.5, 7.5), QPointF(10.5,10.5)); |
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painter->drawLine(QPointF(10.5,10.5), QPointF(13.5, 7.5)); |
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painter->drawLine(QPointF( 7.5,13.0), QPointF(13.5,13.0)); |
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} else { |
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// unshade button |
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painter->drawLine(QPointF( 7.5,10.5), QPointF(10.5, 7.5)); |
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painter->drawLine(QPointF(10.5, 7.5), QPointF(13.5,10.5)); |
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painter->drawLine(QPointF( 7.5,13.0), QPointF(13.5,13.0)); |
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} |
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break; |
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default: |
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break; |
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} |
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painter->restore(); |
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return; |
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} |
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}
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