390 lines
11 KiB
C++
390 lines
11 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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// oxygenclient.cpp
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// -------------------
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// Oxygen window decoration for KDE
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// -------------------
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// Copyright (c) 2003, 2004 David Johnson
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// Copyright (c) 2006, 2007 Casper Boemann <cbr@boemann.dk>
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// Copyright (c) 2006, 2007 Riccardo Iaconelli <ruphy@fsfe.org>
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//
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// Please see the header file for copyright and license information.
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//////////////////////////////////////////////////////////////////////////////
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// #ifndef OXYGENCLIENT_H
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// #define OXYGENCLIENT_H
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#include <KConfig>
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#include <KGlobal>
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#include <KLocale>
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#include <KDebug>
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#include <KColorUtils>
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#include <qbitmap.h>
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#include <qlabel.h>
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#include <qlayout.h>
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#include <qpainter.h>
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#include <qtooltip.h>
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//Added by qt3to4:
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#include <QBoxLayout>
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#include <QGridLayout>
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#include <QResizeEvent>
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#include <QMouseEvent>
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#include <QEvent>
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#include <QShowEvent>
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#include <QPaintEvent>
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#include <QPainterPath>
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#include <QTimer>
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#include <QCache>
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#include "math.h"
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#include "oxygenclient.h"
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#include "oxygenclient.moc"
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#include "oxygenbutton.h"
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#include "oxygen.h"
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#include "definitions.cpp"
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namespace Oxygen
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{
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// global constants
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// static const int BUTTONSIZE = 18;
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// static const int DECOSIZE = 8;
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// static const int TITLESIZE = 18;
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// static const int TFRAMESIZE = 8;
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// static const int BFRAMESIZE = 7;
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// static const int LFRAMESIZE = 8;
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// static const int RFRAMESIZE = 7;BUTTONSIZE
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// static const int FRAMEBUTTONSPACE = 67;
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K_GLOBAL_STATIC_WITH_ARGS(OxygenHelper, globalHelper, ("OxygenDeco"))
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void renderDot(QPainter *p, const QPointF &point, qreal diameter)
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{
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p->drawEllipse(QRectF(point.x()-diameter/2, point.y()-diameter/2, diameter, diameter));
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}
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OxygenClient::OxygenClient(KDecorationBridge *b, KDecorationFactory *f)
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: KCommonDecoration(b, f), helper_(*globalHelper) { ; }
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OxygenClient::~OxygenClient()
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{
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}
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QString OxygenClient::visibleName() const
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{
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return i18n("Oxygen");
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}
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QString OxygenClient::defaultButtonsLeft() const
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{
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return "M";
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}
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QString OxygenClient::defaultButtonsRight() const
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{
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return "HIAX";
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}
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void OxygenClient::init()
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{
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KCommonDecoration::init();
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widget()->setAutoFillBackground(false);
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widget()->setAttribute(Qt::WA_OpaquePaintEvent);
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widget()->setAttribute(Qt::WA_PaintOnScreen, false);
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}
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bool OxygenClient::decorationBehaviour(DecorationBehaviour behaviour) const
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{
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switch (behaviour) {
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case DB_MenuClose:
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return true;//Handler()->menuClose();
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case DB_WindowMask:
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return false;
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default:
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return KCommonDecoration::decorationBehaviour(behaviour);
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}
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}
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int OxygenClient::layoutMetric(LayoutMetric lm, bool respectWindowState, const KCommonDecorationButton *btn) const
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{
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bool maximized = maximizeMode()==MaximizeFull && !options()->moveResizeMaximizedWindows();
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switch (lm) {
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case LM_BorderLeft:
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case LM_BorderRight:
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case LM_BorderBottom:
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{
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if (respectWindowState && maximized) {
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return 0;
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} else {
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return BFRAMESIZE;
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}
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}
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case LM_TitleEdgeTop:
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{
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if (respectWindowState && maximized) {
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return 0;
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} else {
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return TFRAMESIZE;
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}
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}
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case LM_TitleEdgeBottom:
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{
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return 0;
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}
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case LM_TitleEdgeLeft:
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case LM_TitleEdgeRight:
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{
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if (respectWindowState && maximized) {
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return 0;
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} else {
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return 6;
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}
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}
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case LM_TitleBorderLeft:
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case LM_TitleBorderRight:
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return 5;
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case LM_ButtonWidth:
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case LM_ButtonHeight:
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case LM_TitleHeight:
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{
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if (respectWindowState && isToolWindow()) {
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return OXYGEN_BUTTONSIZE;
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} else {
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return OXYGEN_BUTTONSIZE;
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}
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}
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case LM_ButtonSpacing:
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return 1;
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case LM_ButtonMarginTop:
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return 0;
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case LM_ExplicitButtonSpacer:
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return 3;
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default:
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return KCommonDecoration::layoutMetric(lm, respectWindowState, btn);
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}
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}
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KCommonDecorationButton *OxygenClient::createButton(::ButtonType type)
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{
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switch (type) {
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case MenuButton:
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return new OxygenButton(*this, i18n("Menu"), ButtonMenu);
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case HelpButton:
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return new OxygenButton(*this, i18n("Help"), ButtonHelp);
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case MinButton:
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return new OxygenButton(*this, i18n("Minimize"), ButtonMin);
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case MaxButton:
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return new OxygenButton(*this, i18n("Minimize"), ButtonMax);
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case CloseButton:
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return new OxygenButton(*this, i18n("Minimize"), ButtonClose);
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default:
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return 0;
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}
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}
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// c0 - background
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// c1 - foreground
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// t - target contrast ratio
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QColor reduceContrast(const QColor &c0, const QColor &c1, double t)
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{
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double s = KColorUtils::contrastRatio(c0, c1);
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if (s < t)
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return c1;
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double l = 0.0, h = 1.0;
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double x = s, a;
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QColor r = c1;
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for (int maxiter = 16; maxiter; --maxiter) {
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a = 0.5 * (l + h);
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r = KColorUtils::mix(c0, c1, a);
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x = KColorUtils::contrastRatio(c0, r);
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if (fabs(x - t) < 0.01)
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break;
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if (x > t)
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h = a;
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else
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l = a;
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}
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return r;
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}
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QColor OxygenClient::titlebarTextColor(const QPalette &palette)
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{
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if (isActive())
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return palette.color(QPalette::Active, QPalette::WindowText);
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else {
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QColor ab = palette.color(QPalette::Active, QPalette::Window);
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QColor af = palette.color(QPalette::Active, QPalette::WindowText);
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QColor nb = palette.color(QPalette::Inactive, QPalette::Window);
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QColor nf = palette.color(QPalette::Inactive, QPalette::WindowText);
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return reduceContrast(nb, nf, KColorUtils::contrastRatio(ab, KColorUtils::mix(ab, af)));
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}
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}
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void OxygenClient::paintEvent(QPaintEvent *e)
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{
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Q_UNUSED(e)
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if (!OxygenFactory::initialized()) return;
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doShape();
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QPalette palette = widget()->palette();
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QPainter painter(widget());
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// Set palette to the right group. Lubos disagrees with this being a kwin
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// bug, but anyway, we need the palette group to match the current window.
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// Since kwin doesn't set it correctly, we have to do it ourselves.
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if (isActive())
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palette.setCurrentColorGroup(QPalette::Active);
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else
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palette.setCurrentColorGroup(QPalette::Inactive);
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int x,y,w,h;
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QRect frame = widget()->frameGeometry();
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QColor color = palette.window();
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const int titleHeight = layoutMetric(LM_TitleHeight);
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const int titleTop = layoutMetric(LM_TitleEdgeTop) + frame.top();
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const int titleEdgeLeft = layoutMetric(LM_TitleEdgeLeft);
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const int marginLeft = layoutMetric(LM_TitleBorderLeft);
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const int marginRight = layoutMetric(LM_TitleBorderRight);
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const int titleLeft = frame.left() + titleEdgeLeft + buttonsLeftWidth() + marginLeft;
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const int titleWidth = frame.width() -
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titleEdgeLeft - layoutMetric(LM_TitleEdgeRight) -
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buttonsLeftWidth() - buttonsRightWidth() -
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marginLeft - marginRight;
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int splitY = qMin(300, 3*frame.height()/4);
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QPixmap tile = helper_.verticalGradient(color, splitY);
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painter.drawTiledPixmap(QRect(0, 0, frame.width(), titleHeight + TFRAMESIZE), tile);
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painter.drawTiledPixmap(QRect(0, 0, LFRAMESIZE, splitY), tile);
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painter.fillRect(0, splitY, LFRAMESIZE, frame.height() - splitY, helper_.backgroundBottomColor(color));
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painter.drawTiledPixmap(QRect(frame.width()-RFRAMESIZE, 0,
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RFRAMESIZE, splitY), tile,
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QPoint(frame.width()-RFRAMESIZE, 0));
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painter.fillRect(frame.width()-RFRAMESIZE, splitY, RFRAMESIZE, frame.height() - splitY, helper_.backgroundBottomColor(color));
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painter.fillRect(0, frame.height() - BFRAMESIZE, frame.width(), BFRAMESIZE, helper_.backgroundBottomColor(color));
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int radialW = qMin(600, frame.width());
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tile = helper_.radialGradient(color, radialW);
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QRect radialRect = QRect((frame.width() - radialW) / 2, 0, radialW, 64);
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painter.drawPixmap(radialRect, tile);
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//painter.setRenderHint(QPainter::Antialiasing,true);
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// draw title text
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painter.setFont(options()->font(isActive(), false));
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painter.setPen(titlebarTextColor(palette));
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painter.drawText(titleLeft, titleTop, titleWidth, titleHeight,
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OxygenFactory::titleAlign() | Qt::AlignVCenter, caption());
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painter.setRenderHint(QPainter::Antialiasing);
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// Draw shadows of the frame
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frame = widget()->rect();
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frame.getRect(&x, &y, &w, &h);
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painter.setBrush(Qt::NoBrush);
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painter.setPen(QColor(255,255,255, 120));
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painter.drawLine(QPointF(0, 0.5), QPointF(w, 0.5));
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painter.setPen(QColor(128,128,128, 60));
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painter.drawLine(QPointF(0.5, 0), QPointF(0.5, h));
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painter.drawLine(QPointF(w-0.5, 0), QPointF(w-0.5, h));
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painter.setPen(QColor(0,0,0, 60));
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painter.drawLine(QPointF(0, h-0.5), QPointF(w, h-0.5));
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painter.setPen(QColor(0,0,0, 40));
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painter.drawPoint(QPointF(1.5, 1.5)); // top middle point
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painter.drawPoint(QPointF(w-1.5, 1.5));
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painter.drawPoint(QPointF(3.5, 0.5)); // top away points
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painter.drawPoint(QPointF(w-3.5, 0.5));
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painter.drawPoint(QPointF(0.5, 3.5));
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painter.drawPoint(QPointF(w-0.5, 3.5));
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painter.drawPoint(QPointF(1.5, h-1.5)); // bottom middle point
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painter.drawPoint(QPointF(w-1.5, h-1.5));
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// Draw the 3-dots resize handles
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qreal cenY = frame.height() / 2 + 0.5;
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qreal posX = frame.width() - 2.5;
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painter.setPen(Qt::NoPen);
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painter.setBrush(QColor(0, 0, 0, 66));
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renderDot(&painter, QPointF(posX, cenY - 3), 1.8);
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renderDot(&painter, QPointF(posX, cenY), 1.8);
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renderDot(&painter, QPointF(posX, cenY + 3), 1.8);
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painter.translate(frame.width()-9, frame.height()-9);
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renderDot(&painter, QPointF(2.5, 6.5), 1.8);
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renderDot(&painter, QPointF(5.5, 5.5), 1.8);
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renderDot(&painter, QPointF(6.5, 2.5), 1.8);
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}
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void OxygenClient::doShape()
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{
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bool maximized = maximizeMode()==MaximizeFull && !options()->moveResizeMaximizedWindows();
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int r=widget()->width();
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int b=widget()->height();
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QRegion mask(0,0,r,b);
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if(maximized) {
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setMask(mask);
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return;
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}
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// Remove top-left corner.
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mask -= QRegion(0, 0, 3, 1);
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mask -= QRegion(0, 1, 1, 1);
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mask -= QRegion(0, 2, 1, 1);
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// Remove top-right corner.
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mask -= QRegion(r - 3, 0, 3, 1);
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mask -= QRegion(r - 1, 1, 1, 1);
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mask -= QRegion(r - 1, 2, 1, 1);
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// Remove bottom-left corner.
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mask -= QRegion(0, b-1-0, 3, b-1-1);
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mask -= QRegion(0, b-1-1, 1, b-1-1);
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mask -= QRegion(0, b-1-2, 1, b-1-1);
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// Remove bottom-right corner.
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mask -= QRegion(r - 3, b-1-0, 3, b-1-1);
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mask -= QRegion(r - 1, b-1-1, 1, b-1-1);
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mask -= QRegion(r - 1, b-1-2, 1, b-1-1);
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setMask(mask);
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}
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} //namespace Oxygen
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//#include "oxygenclient.moc"
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// #endif
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