318 lines
10 KiB
C++
318 lines
10 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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// oxygenbutton.cpp
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// -------------------
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// Oxygen window decoration for KDE. Buttons.
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// -------------------
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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 "oxygenbutton.h"
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#include <math.h>
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#include <QPainterPath>
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#include <QPainter>
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#include <QPen>
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#include <QBitmap>
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#include <kdecoration.h>
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#include <kglobal.h>
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#include <KColorUtils>
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#include <kdebug.h>
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#include <KColorScheme>
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#include "oxygenclient.h"
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#include "oxygen.h"
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namespace Oxygen
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{
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// class OxygenClient;
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/*
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extern int BUTTONSIZE;
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extern int DECOSIZE;*/
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// static const int DECOSIZE = 8;
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//////////////////////////////////////////////////////////////////////////////
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// OxygenButton Class //
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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// OxygenButton()
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// ---------------
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// Constructor
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OxygenButton::OxygenButton(OxygenClient &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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, lastmouse_(0)
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, colorCacheInvalid_(true)
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{
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setAutoFillBackground(false);
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setAttribute(Qt::WA_OpaquePaintEvent, false);
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setFixedSize(OXYGEN_BUTTONSIZE, OXYGEN_BUTTONSIZE);
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setCursor(Qt::ArrowCursor);
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setToolTip(tip);
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}
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OxygenButton::~OxygenButton()
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{
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}
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//declare function from oxygenclient.cpp
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QColor reduceContrast(const QColor &c0, const QColor &c1, double t);
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QColor OxygenButton::buttonDetailColor(const QPalette &palette)
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{
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if (client_.isActive())
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return palette.color(QPalette::Active, QPalette::ButtonText);
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else {
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if (colorCacheInvalid_) {
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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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// sizeHint()
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// ----------
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// Return size hint
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QSize OxygenButton::sizeHint() const
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{
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return QSize(OXYGEN_BUTTONSIZE, OXYGEN_BUTTONSIZE);
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}
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//////////////////////////////////////////////////////////////////////////////
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// enterEvent()
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// ------------
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// Mouse has entered the button
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void OxygenButton::enterEvent(QEvent *e)
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{
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KCommonDecorationButton::enterEvent(e);
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if (status_ != Oxygen::Pressed) {
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status_ = Oxygen::Hovered;
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}
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update();
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}
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//////////////////////////////////////////////////////////////////////////////
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// leaveEvent()
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// ------------
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// Mouse has left the button
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void OxygenButton::leaveEvent(QEvent *e)
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{
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KCommonDecorationButton::leaveEvent(e);
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// if we wanted to do mouseovers, we would keep track of it here
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status_ = Oxygen::Normal;
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update();
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}
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//////////////////////////////////////////////////////////////////////////////
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// mousePressEvent()
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// ------------
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// Mouse has pressed the button
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void OxygenButton::mousePressEvent(QMouseEvent *e)
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{
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status_ = Oxygen::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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// mouseReleaseEvent()
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// ------------
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// Mouse has released the button
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void OxygenButton::mouseReleaseEvent(QMouseEvent *e)
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{
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status_ = Oxygen::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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// drawButton()
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// ------------
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// Draw the button
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void OxygenButton::paintEvent(QPaintEvent *)
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{
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QPainter painter(this);
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QPalette pal = palette(); // de-const-ify
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// Set palette to the right group.
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// TODO - fix KWin to do this for us :-).
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if (client_.isActive())
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pal.setCurrentColorGroup(QPalette::Active);
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else
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pal.setCurrentColorGroup(QPalette::Inactive);
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// widget->window()setPalette(pal);
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if (type_ == ButtonMenu) {
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// we paint the mini icon (which is 16 pixels high)
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int dx = (width() - 16) / 2;
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int dy = (height() - 16) / 2;
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painter.drawPixmap(dx, dy, client_.icon().pixmap(16));
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return;
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}
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if(client_.maximizeMode() == OxygenClient::MaximizeRestore)
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painter.translate(0,-1);
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QColor bg = helper_.backgroundTopColor(pal.window());
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QColor color = buttonDetailColor(pal);
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if(status_ == Oxygen::Hovered || status_ == Oxygen::Pressed) {
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if(type_ == ButtonClose)
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color = KColorScheme(pal.currentColorGroup()).foreground(KColorScheme::NegativeText).color();
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else
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color = KColorScheme(pal.currentColorGroup()).decoration(KColorScheme::HoverColor).color();
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}
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QLinearGradient lg = helper_.decoGradient(QRect(4,4,13,13), color);
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painter.drawPixmap(0, 0, helper_.windecoButton(pal.window(), status_ == Oxygen::Pressed));
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if (client_.isActive()) {
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painter.setRenderHints(QPainter::Antialiasing);
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painter.setBrush(Qt::NoBrush);
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painter.setPen(QPen(lg, 2.2, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
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drawIcon(&painter, pal, type_);
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}
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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, pal, 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, pal, type_);
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painter.drawPixmap(QPoint(0,0), pixmap);
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}
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}
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void OxygenButton::drawIcon(QPainter *p, QPalette &pal, ButtonType &type)
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{
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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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QPen newPen = p->pen();
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newPen.setColor(KColorScheme(pal.currentColorGroup()).decoration(KColorScheme::HoverColor).color());
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p->setPen(newPen);
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}
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p->drawPoint(QPointF(10.5,10.5));
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break;
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case ButtonHelp:
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p->translate(1.5, 1.5);
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p->drawArc(7,5,4,4,135*16, -180*16);
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p->drawArc(9,8,4,4,135*16,45*16);
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p->drawPoint(9,12);
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break;
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case ButtonMin:
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p->drawLine(QPointF( 7.5, 9.5), QPointF(10.5,12.5));
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p->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 OxygenClient::MaximizeRestore:
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case OxygenClient::MaximizeVertical:
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case OxygenClient::MaximizeHorizontal:
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p->drawLine(QPointF( 7.5,11.5), QPointF(10.5, 8.5));
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p->drawLine(QPointF(10.5, 8.5), QPointF(13.5,11.5));
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break;
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case OxygenClient::MaximizeFull:
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{
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p->translate(1.5, 1.5);
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//p->setBrush(lg);
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QPoint points[4] = {QPoint(9, 6), QPoint(12, 9), QPoint(9, 12), QPoint(6, 9)};
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//QPoint points[4] = {QPoint(9, 5), QPoint(13, 9), QPoint(9, 13), QPoint(5, 9)};
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p->drawPolygon(points, 4);
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p->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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p->drawLine(QPointF( 7.5,7.5), QPointF(13.5,13.5));
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p->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 = p->pen();
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newPen.setColor(KColorScheme(pal.currentColorGroup()).decoration(KColorScheme::HoverColor).color());
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p->setPen(newPen);
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}
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p->drawLine(QPointF( 7.5,14), QPointF(10.5,11));
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p->drawLine(QPointF(10.5,11), QPointF(13.5,14));
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p->drawLine(QPointF( 7.5,10), QPointF(10.5, 7));
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p->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 = p->pen();
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newPen.setColor(KColorScheme(pal.currentColorGroup()).decoration(KColorScheme::HoverColor).color());
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p->setPen(newPen);
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}
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p->drawLine(QPointF( 7.5,11), QPointF(10.5,14));
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p->drawLine(QPointF(10.5,14), QPointF(13.5,11));
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p->drawLine(QPointF( 7.5, 7), QPointF(10.5,10));
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p->drawLine(QPointF(10.5,10), QPointF(13.5, 7));
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break;
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default:
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break;
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}
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}
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} //namespace Oxygen
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