612 lines
20 KiB
C++
612 lines
20 KiB
C++
/* Plastik KWin window decoration
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Copyright (C) 2003-2005 Sandro Giessl <sandro@giessl.com>
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based on the window decoration "Web":
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Copyright (C) 2001 Rik Hemsley (rikkus) <rik@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "plastikbutton.h"
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// #include <kwin/options.h>
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#include <QAbstractButton>
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#include <QStyle>
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#include <QBitmap>
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#include <QPainter>
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#include <QPixmap>
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#include <QTimer>
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#include "plastikbutton.moc"
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#include "plastikclient.h"
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#include <KGlobalSettings>
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#include <KColorScheme>
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#include <KColorUtils>
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namespace KWinPlastik
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{
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static const uint TIMERINTERVAL = 50; // msec
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static const uint ANIMATIONSTEPS = 4;
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PlastikButton::PlastikButton(ButtonType type, PlastikClient *parent)
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: KCommonDecorationButton(type, parent),
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m_client(parent),
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m_iconType(NumButtonIcons),
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hover(false)
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{
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setAttribute(Qt::WA_NoSystemBackground);
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// no need to reset here as the button will be reseted on first resize.
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animTmr = new QTimer(this);
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animTmr->setSingleShot(true); // single-shot
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connect(animTmr, SIGNAL(timeout() ), this, SLOT(animate() ) );
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animProgress = 0;
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}
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PlastikButton::~PlastikButton()
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{
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}
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void PlastikButton::reset(unsigned long changed)
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{
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if (changed&DecorationReset || changed&ManualReset || changed&SizeChange || changed&StateChange) {
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switch (type() ) {
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case CloseButton:
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m_iconType = CloseIcon;
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break;
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case HelpButton:
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m_iconType = HelpIcon;
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break;
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case MinButton:
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m_iconType = MinIcon;
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break;
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case MaxButton:
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if (isChecked()) {
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m_iconType = MaxRestoreIcon;
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} else {
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m_iconType = MaxIcon;
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}
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break;
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case OnAllDesktopsButton:
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if (isChecked()) {
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m_iconType = NotOnAllDesktopsIcon;
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} else {
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m_iconType = OnAllDesktopsIcon;
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}
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break;
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case ShadeButton:
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if (isChecked()) {
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m_iconType = UnShadeIcon;
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} else {
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m_iconType = ShadeIcon;
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}
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break;
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case AboveButton:
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if (isChecked()) {
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m_iconType = NoKeepAboveIcon;
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} else {
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m_iconType = KeepAboveIcon;
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}
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break;
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case BelowButton:
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if (isChecked()) {
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m_iconType = NoKeepBelowIcon;
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} else {
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m_iconType = KeepBelowIcon;
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}
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break;
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default:
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m_iconType = NumButtonIcons; // empty...
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break;
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}
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this->update();
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}
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}
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void PlastikButton::animate()
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{
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animTmr->stop();
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if(hover) {
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if(animProgress < ANIMATIONSTEPS) {
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if (Handler()->animateButtons() ) {
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animProgress++;
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} else {
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animProgress = ANIMATIONSTEPS;
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}
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animTmr->start(TIMERINTERVAL); // single-shot timer
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}
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} else {
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if(animProgress > 0) {
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if (Handler()->animateButtons() ) {
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animProgress--;
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} else {
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animProgress = 0;
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}
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animTmr->start(TIMERINTERVAL); // single-shot timer
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}
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}
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repaint();
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}
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void PlastikButton::enterEvent(QEvent *e)
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{
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QAbstractButton::enterEvent(e);
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hover = true;
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animate();
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}
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void PlastikButton::leaveEvent(QEvent *e)
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{
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QAbstractButton::leaveEvent(e);
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hover = false;
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animate();
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}
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void PlastikButton::paintEvent(QPaintEvent *)
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{
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QPainter p(this);
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drawButton(&p);
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}
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void PlastikButton::drawButton(QPainter *painter)
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{
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QRect r(0,0,width(),height());
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bool active = m_client->isActive();
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QPixmap tempPixmap;
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double c = KGlobalSettings::contrastF();
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QColor titleBar = KDecoration::options()->color(KDecoration::ColorTitleBar, active);
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QColor contourTop = KColorScheme::shade(titleBar, KColorScheme::DarkShade, c - 0.4);
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QColor contourBottom = KColorScheme::shade(titleBar, KColorScheme::MidShade, c);
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QColor surfaceTop = KColorScheme::shade(titleBar, KColorScheme::MidlightShade, c - 0.4);
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QColor surfaceBottom = KColorScheme::shade(titleBar, KColorScheme::LightShade, c - 0.4);
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QColor highlightColor = titleBar;
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double alpha = 0;
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if (type() == CloseButton) {
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KColorScheme kcs(active ? QPalette::Active : QPalette::Inactive, KColorScheme::Button);
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highlightColor = kcs.foreground(KColorScheme::NegativeText).color();
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}
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if (isDown()) {
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highlightColor = KColorScheme::shade(highlightColor, KColorScheme::ShadowShade);
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alpha = 0.3;
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}
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else if (animProgress > 0) {
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alpha = 0.6 * (double)animProgress / (double)ANIMATIONSTEPS;
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highlightColor = KColorScheme::shade(highlightColor, KColorScheme::LightShade, qMin(1.0, c + 0.4));
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}
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if (alpha > 0.0) {
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contourTop = KColorUtils::mix(contourTop, highlightColor, alpha*0.4);
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contourBottom = KColorUtils::mix(contourBottom, highlightColor, alpha*0.4);
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surfaceTop = KColorUtils::mix(surfaceTop, highlightColor, alpha);
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surfaceBottom = KColorUtils::mix(surfaceBottom, highlightColor, alpha);
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}
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QPixmap buffer(width(), height());
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QPainter bP(&buffer);
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// fake the titlebar background
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bP.drawTiledPixmap(0, 0, width(), width(), m_client->getTitleBarTile(active) );
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if (type() != MenuButton || hover || animProgress != 0) {
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int rxo = 600/width();
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int ryo = 600/height();
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int rxi = 500/width();
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int ryi = 500/height();
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bP.setPen(Qt::NoPen);
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bP.setRenderHints(QPainter::Antialiasing);
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// contour
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QLinearGradient outlineGradient(0, 0, 0, r.height());
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outlineGradient.setColorAt(0.0, contourTop);
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outlineGradient.setColorAt(1.0, contourBottom);
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bP.setBrush(outlineGradient);
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bP.drawRoundRect(r, rxo, ryo);
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// surface
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QLinearGradient surfaceGradient(0, 0, 0, r.height());
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surfaceGradient.setColorAt(0.0, surfaceTop);
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surfaceGradient.setColorAt(1.0, surfaceBottom);
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bP.setBrush(surfaceGradient);
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bP.drawRoundRect(r.adjusted(1,1,-1,-1), rxi, ryi);
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}
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if (type() == MenuButton)
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{
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QPixmap menuIcon(m_client->icon().pixmap( style()->pixelMetric( QStyle::PM_SmallIconSize ) ));
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if (width() < menuIcon.width() || height() < menuIcon.height() ) {
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menuIcon = menuIcon.scaled(width(), height());
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}
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bP.drawPixmap((width()-menuIcon.width())/2, (height()-menuIcon.height())/2, menuIcon);
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}
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else
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{
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int dX,dY;
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const QBitmap &icon = Handler()->buttonBitmap(m_iconType, size(), decoration()->isToolWindow() );
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dX = r.x()+(r.width()-icon.width())/2;
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dY = r.y()+(r.height()-icon.height())/2;
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if (isDown() ) {
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dY++;
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}
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QColor fontColor = Handler()->getColor(TitleFont,active);
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if(!isDown() && Handler()->titleShadow() ) {
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QColor shadowColor = KColorScheme::shade(fontColor, KColorScheme::ShadowShade);
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shadowColor.setAlphaF(shadowColor.alphaF() * 0.3);
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bP.setPen(shadowColor);
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bP.drawPixmap(dX+1, dY+1, icon);
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}
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bP.setPen(fontColor );
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bP.drawPixmap(dX, dY, icon);
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}
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bP.end();
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painter->drawPixmap(0, 0, buffer);
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}
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QBitmap IconEngine::icon(ButtonIcon icon, int size)
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{
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if (size%2 == 0)
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--size;
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QBitmap bitmap(size,size);
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bitmap.fill(Qt::color0);
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QPainter p(&bitmap);
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p.setPen(Qt::color1);
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QRect r = bitmap.rect();
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// line widths
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int lwTitleBar = 1;
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if (r.width() > 16) {
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lwTitleBar = 4;
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} else if (r.width() > 4) {
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lwTitleBar = 2;
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}
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int lwArrow = 1;
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if (r.width() > 16) {
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lwArrow = 4;
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} else if (r.width() > 7) {
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lwArrow = 2;
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}
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switch(icon) {
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case CloseIcon:
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{
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int lineWidth = 1;
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if (r.width() > 16) {
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lineWidth = 3;
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} else if (r.width() > 4) {
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lineWidth = 2;
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}
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drawObject(p, DiagonalLine, r.x(), r.y(), r.width(), lineWidth);
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drawObject(p, CrossDiagonalLine, r.x(), r.bottom(), r.width(), lineWidth);
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break;
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}
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case MaxIcon:
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{
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int lineWidth2 = 1; // frame
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if (r.width() > 16) {
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lineWidth2 = 2;
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} else if (r.width() > 4) {
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lineWidth2 = 1;
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}
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drawObject(p, HorizontalLine, r.x(), r.top(), r.width(), lwTitleBar);
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drawObject(p, HorizontalLine, r.x(), r.bottom()-(lineWidth2-1), r.width(), lineWidth2);
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drawObject(p, VerticalLine, r.x(), r.top(), r.height(), lineWidth2);
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drawObject(p, VerticalLine, r.right()-(lineWidth2-1), r.top(), r.height(), lineWidth2);
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break;
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}
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case MaxRestoreIcon:
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{
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int lineWidth2 = 1; // frame
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if (r.width() > 16) {
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lineWidth2 = 2;
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} else if (r.width() > 4) {
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lineWidth2 = 1;
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}
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int margin1, margin2;
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margin1 = margin2 = lineWidth2*2;
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if (r.width() < 8)
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margin1 = 1;
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// background window
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drawObject(p, HorizontalLine, r.x()+margin1, r.top(), r.width()-margin1, lineWidth2);
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drawObject(p, HorizontalLine, r.right()-margin2, r.bottom()-(lineWidth2-1)-margin1, margin2, lineWidth2);
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drawObject(p, VerticalLine, r.x()+margin1, r.top(), margin2, lineWidth2);
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drawObject(p, VerticalLine, r.right()-(lineWidth2-1), r.top(), r.height()-margin1, lineWidth2);
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// foreground window
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drawObject(p, HorizontalLine, r.x(), r.top()+margin2, r.width()-margin2, lwTitleBar);
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drawObject(p, HorizontalLine, r.x(), r.bottom()-(lineWidth2-1), r.width()-margin2, lineWidth2);
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drawObject(p, VerticalLine, r.x(), r.top()+margin2, r.height(), lineWidth2);
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drawObject(p, VerticalLine, r.right()-(lineWidth2-1)-margin2, r.top()+margin2, r.height(), lineWidth2);
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break;
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}
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case MinIcon:
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{
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drawObject(p, HorizontalLine, r.x(), r.bottom()-(lwTitleBar-1), r.width(), lwTitleBar);
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break;
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}
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case HelpIcon:
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{
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int center = r.x()+r.width()/2 -1;
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int side = r.width()/4;
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// paint a question mark... code is quite messy, to be cleaned up later...! :o
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if (r.width() > 16) {
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int lineWidth = 3;
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// top bar
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drawObject(p, HorizontalLine, center-side+3, r.y(), 2*side-3-1, lineWidth);
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// top bar rounding
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drawObject(p, CrossDiagonalLine, center-side-1, r.y()+5, 6, lineWidth);
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drawObject(p, DiagonalLine, center+side-3, r.y(), 5, lineWidth);
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// right bar
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drawObject(p, VerticalLine, center+side+2-lineWidth, r.y()+3, r.height()-(2*lineWidth+side+2+1), lineWidth);
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// bottom bar
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drawObject(p, CrossDiagonalLine, center, r.bottom()-2*lineWidth, side+2, lineWidth);
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drawObject(p, HorizontalLine, center, r.bottom()-3*lineWidth+2, lineWidth, lineWidth);
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// the dot
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drawObject(p, HorizontalLine, center, r.bottom()-(lineWidth-1), lineWidth, lineWidth);
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} else if (r.width() > 8) {
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int lineWidth = 2;
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// top bar
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drawObject(p, HorizontalLine, center-(side-1), r.y(), 2*side-1, lineWidth);
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// top bar rounding
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if (r.width() > 9) {
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drawObject(p, CrossDiagonalLine, center-side-1, r.y()+3, 3, lineWidth);
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} else {
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drawObject(p, CrossDiagonalLine, center-side-1, r.y()+2, 3, lineWidth);
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}
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drawObject(p, DiagonalLine, center+side-1, r.y(), 3, lineWidth);
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// right bar
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drawObject(p, VerticalLine, center+side+2-lineWidth, r.y()+2, r.height()-(2*lineWidth+side+1), lineWidth);
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// bottom bar
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drawObject(p, CrossDiagonalLine, center, r.bottom()-2*lineWidth+1, side+2, lineWidth);
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// the dot
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drawObject(p, HorizontalLine, center, r.bottom()-(lineWidth-1), lineWidth, lineWidth);
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} else {
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int lineWidth = 1;
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// top bar
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drawObject(p, HorizontalLine, center-(side-1), r.y(), 2*side, lineWidth);
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// top bar rounding
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drawObject(p, CrossDiagonalLine, center-side-1, r.y()+1, 2, lineWidth);
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// right bar
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drawObject(p, VerticalLine, center+side+1, r.y(), r.height()-(side+2+1), lineWidth);
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// bottom bar
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drawObject(p, CrossDiagonalLine, center, r.bottom()-2, side+2, lineWidth);
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// the dot
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drawObject(p, HorizontalLine, center, r.bottom(), 1, 1);
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}
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break;
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}
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case NotOnAllDesktopsIcon:
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{
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int lwMark = r.width()-lwTitleBar*2-2;
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if (lwMark < 1)
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lwMark = 3;
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drawObject(p, HorizontalLine, r.x()+(r.width()-lwMark)/2, r.y()+(r.height()-lwMark)/2, lwMark, lwMark);
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// Fall through to OnAllDesktopsIcon intended!
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}
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case OnAllDesktopsIcon:
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{
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// horizontal bars
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drawObject(p, HorizontalLine, r.x()+lwTitleBar, r.y(), r.width()-2*lwTitleBar, lwTitleBar);
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drawObject(p, HorizontalLine, r.x()+lwTitleBar, r.bottom()-(lwTitleBar-1), r.width()-2*lwTitleBar, lwTitleBar);
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// vertical bars
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drawObject(p, VerticalLine, r.x(), r.y()+lwTitleBar, r.height()-2*lwTitleBar, lwTitleBar);
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drawObject(p, VerticalLine, r.right()-(lwTitleBar-1), r.y()+lwTitleBar, r.height()-2*lwTitleBar, lwTitleBar);
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break;
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}
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case NoKeepAboveIcon:
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{
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int center = r.x()+r.width()/2;
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// arrow
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drawObject(p, CrossDiagonalLine, r.x(), center+2*lwArrow, center-r.x(), lwArrow);
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drawObject(p, DiagonalLine, r.x()+center, r.y()+1+2*lwArrow, center-r.x(), lwArrow);
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if (lwArrow>1)
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drawObject(p, HorizontalLine, center-(lwArrow-2), r.y()+2*lwArrow, (lwArrow-2)*2, lwArrow);
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// Fall through to KeepAboveIcon intended!
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}
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case KeepAboveIcon:
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{
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int center = r.x()+r.width()/2;
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// arrow
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drawObject(p, CrossDiagonalLine, r.x(), center, center-r.x(), lwArrow);
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drawObject(p, DiagonalLine, r.x()+center, r.y()+1, center-r.x(), lwArrow);
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if (lwArrow>1)
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drawObject(p, HorizontalLine, center-(lwArrow-2), r.y(), (lwArrow-2)*2, lwArrow);
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break;
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}
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case NoKeepBelowIcon:
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{
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int center = r.x()+r.width()/2;
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// arrow
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drawObject(p, DiagonalLine, r.x(), center-2*lwArrow, center-r.x(), lwArrow);
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drawObject(p, CrossDiagonalLine, r.x()+center, r.bottom()-1-2*lwArrow, center-r.x(), lwArrow);
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if (lwArrow>1)
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drawObject(p, HorizontalLine, center-(lwArrow-2), r.bottom()-(lwArrow-1)-2*lwArrow, (lwArrow-2)*2, lwArrow);
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// Fall through to KeepBelowIcon intended!
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}
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case KeepBelowIcon:
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{
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int center = r.x()+r.width()/2;
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// arrow
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drawObject(p, DiagonalLine, r.x(), center, center-r.x(), lwArrow);
|
|
drawObject(p, CrossDiagonalLine, r.x()+center, r.bottom()-1, center-r.x(), lwArrow);
|
|
if (lwArrow>1)
|
|
drawObject(p, HorizontalLine, center-(lwArrow-2), r.bottom()-(lwArrow-1), (lwArrow-2)*2, lwArrow);
|
|
|
|
break;
|
|
}
|
|
|
|
case ShadeIcon:
|
|
{
|
|
drawObject(p, HorizontalLine, r.x(), r.y(), r.width(), lwTitleBar);
|
|
|
|
break;
|
|
}
|
|
|
|
case UnShadeIcon:
|
|
{
|
|
int lw1 = 1;
|
|
int lw2 = 1;
|
|
if (r.width() > 16) {
|
|
lw1 = 4;
|
|
lw2 = 2;
|
|
} else if (r.width() > 7) {
|
|
lw1 = 2;
|
|
lw2 = 1;
|
|
}
|
|
|
|
int h = qMax( (r.width()/2), (lw1+2*lw2) );
|
|
|
|
// horizontal bars
|
|
drawObject(p, HorizontalLine, r.x(), r.y(), r.width(), lw1);
|
|
drawObject(p, HorizontalLine, r.x(), r.x()+h-(lw2-1), r.width(), lw2);
|
|
// vertical bars
|
|
drawObject(p, VerticalLine, r.x(), r.y(), h, lw2);
|
|
drawObject(p, VerticalLine, r.right()-(lw2-1), r.y(), h, lw2);
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
p.end();
|
|
|
|
bitmap.setMask(bitmap);
|
|
|
|
return bitmap;
|
|
}
|
|
|
|
void IconEngine::drawObject(QPainter &p, Object object, int x, int y, int length, int lineWidth)
|
|
{
|
|
switch(object) {
|
|
case DiagonalLine:
|
|
if (lineWidth <= 1) {
|
|
for (int i = 0; i < length; ++i) {
|
|
p.drawPoint(x+i,y+i);
|
|
}
|
|
} else if (lineWidth <= 2) {
|
|
for (int i = 0; i < length; ++i) {
|
|
p.drawPoint(x+i,y+i);
|
|
}
|
|
for (int i = 0; i < (length-1); ++i) {
|
|
p.drawPoint(x+1+i,y+i);
|
|
p.drawPoint(x+i,y+1+i);
|
|
}
|
|
} else {
|
|
for (int i = 1; i < (length-1); ++i) {
|
|
p.drawPoint(x+i,y+i);
|
|
}
|
|
for (int i = 0; i < (length-1); ++i) {
|
|
p.drawPoint(x+1+i,y+i);
|
|
p.drawPoint(x+i,y+1+i);
|
|
}
|
|
for (int i = 0; i < (length-2); ++i) {
|
|
p.drawPoint(x+2+i,y+i);
|
|
p.drawPoint(x+i,y+2+i);
|
|
}
|
|
}
|
|
break;
|
|
case CrossDiagonalLine:
|
|
if (lineWidth <= 1) {
|
|
for (int i = 0; i < length; ++i) {
|
|
p.drawPoint(x+i,y-i);
|
|
}
|
|
} else if (lineWidth <= 2) {
|
|
for (int i = 0; i < length; ++i) {
|
|
p.drawPoint(x+i,y-i);
|
|
}
|
|
for (int i = 0; i < (length-1); ++i) {
|
|
p.drawPoint(x+1+i,y-i);
|
|
p.drawPoint(x+i,y-1-i);
|
|
}
|
|
} else {
|
|
for (int i = 1; i < (length-1); ++i) {
|
|
p.drawPoint(x+i,y-i);
|
|
}
|
|
for (int i = 0; i < (length-1); ++i) {
|
|
p.drawPoint(x+1+i,y-i);
|
|
p.drawPoint(x+i,y-1-i);
|
|
}
|
|
for (int i = 0; i < (length-2); ++i) {
|
|
p.drawPoint(x+2+i,y-i);
|
|
p.drawPoint(x+i,y-2-i);
|
|
}
|
|
}
|
|
break;
|
|
case HorizontalLine:
|
|
for (int i = 0; i < lineWidth; ++i) {
|
|
p.drawLine(x,y+i, x+length-1, y+i);
|
|
}
|
|
break;
|
|
case VerticalLine:
|
|
for (int i = 0; i < lineWidth; ++i) {
|
|
p.drawLine(x+i,y, x+i, y+length-1);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
} // KWinPlastik
|