623 lines
14 KiB
C++
623 lines
14 KiB
C++
/*
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'Web' kwin client
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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., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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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 <kconfig.h>
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#include "Web.h"
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#include "WebButton.h"
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#include "WebButtonHelp.h"
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#include "WebButtonIconify.h" // minimize button
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#include "WebButtonClose.h"
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#include "WebButtonSticky.h" // onAllDesktops button
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#include "WebButtonMaximize.h"
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#include "WebButtonLower.h"
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extern "C"
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{
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KDecorationFactory *create_factory()
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{
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return new Web::WebFactory();
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}
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}
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namespace Web {
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WebClient::WebClient(KDecorationBridge* bridge, KDecorationFactory* factory)
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: KDecoration(bridge, factory),
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mainLayout_ (0),
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titleSpacer_ (0)
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{
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// Empty.
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}
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WebClient::~WebClient()
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{
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// Empty.
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}
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void
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WebClient::init()
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{
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createMainWidget(WNoAutoErase);
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widget()->installEventFilter( this );
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widget()->setBackgroundMode(NoBackground);
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// title height
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const int textVMargin = 2;
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QFontMetrics fm(options()->font(isActive(), isTool()));
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// border size
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switch(options()->preferredBorderSize( factory())) {
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case BorderLarge:
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borderSize_ = 8;
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break;
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case BorderVeryLarge:
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borderSize_ = 12;
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break;
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case BorderHuge:
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borderSize_ = 18;
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break;
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case BorderVeryHuge:
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borderSize_ = 27;
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break;
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case BorderOversized:
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borderSize_ = 40;
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break;
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case BorderNormal:
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default:
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borderSize_ = 4;
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}
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titleHeight_ = QMAX(QMAX(14, fm.height() + textVMargin * 2), borderSize_);
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_resetLayout();
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leftButtonList_ .setAutoDelete(true);
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rightButtonList_ .setAutoDelete(true);
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}
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void
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WebClient::reset( unsigned long changed )
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{
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if (changed & SettingColors)
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{
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// repaint the whole thing
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widget()->repaint(false);
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} else if (changed & SettingFont) {
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// font has changed -- update title height
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// title height
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const uint textVMargin = 2;
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QFontMetrics fm(options()->font(isActive(), isTool()));
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titleHeight_ = QMAX(14, fm.height() + textVMargin * 2);
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// update buttons
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for (QPtrListIterator<WebButton> it(leftButtonList_); it.current(); ++it)
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{
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it.current()->setFixedSize(titleHeight_, titleHeight_);
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}
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for (QPtrListIterator<WebButton> it(rightButtonList_); it.current(); ++it)
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{
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it.current()->setFixedSize(titleHeight_, titleHeight_);
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}
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// for (int n=0; n<NumButtons; n++) {
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// if (m_button[n]) m_button[n]->setSize(s_titleHeight-1);
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// }
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// update the spacer
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titleSpacer_->changeSize(0, titleHeight_, QSizePolicy::Expanding,
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QSizePolicy::Fixed);
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widget()->repaint(false);
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}
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}
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void
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WebClient::resizeEvent(QResizeEvent *)
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{
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doShape();
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widget()->repaint();
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}
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void
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WebClient::captionChange()
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{
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widget()->repaint();
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}
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void WebClient::iconChange()
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{
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// Empty.
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}
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void
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WebClient::paintEvent(QPaintEvent * pe)
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{
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QRect titleRect(titleSpacer_->geometry());
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titleRect.setTop(1);
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QPainter p(widget());
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p.setPen(Qt::black);
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p.setBrush(options()->colorGroup(ColorFrame, isActive()).background());
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p.setClipRegion(pe->region() - titleRect);
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p.drawRect(widget()->rect());
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p.setClipRegion(pe->region());
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p.fillRect(titleRect, options()->color(ColorTitleBar, isActive()));
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if (shape_)
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{
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int r(width());
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int b(height());
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// Draw edge of top-left corner inside the area removed by the mask.
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p.drawPoint(3, 1);
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p.drawPoint(4, 1);
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p.drawPoint(2, 2);
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p.drawPoint(1, 3);
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p.drawPoint(1, 4);
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// Draw edge of top-right corner inside the area removed by the mask.
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p.drawPoint(r - 5, 1);
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p.drawPoint(r - 4, 1);
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p.drawPoint(r - 3, 2);
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p.drawPoint(r - 2, 3);
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p.drawPoint(r - 2, 4);
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// Draw edge of bottom-left corner inside the area removed by the mask.
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p.drawPoint(1, b - 5);
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p.drawPoint(1, b - 4);
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p.drawPoint(2, b - 3);
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p.drawPoint(3, b - 2);
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p.drawPoint(4, b - 2);
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// Draw edge of bottom-right corner inside the area removed by the mask.
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p.drawPoint(r - 2, b - 5);
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p.drawPoint(r - 2, b - 4);
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p.drawPoint(r - 3, b - 3);
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p.drawPoint(r - 4, b - 2);
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p.drawPoint(r - 5, b - 2);
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}
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p.setFont(options()->font(isActive(), isTool()));
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p.setPen(options()->color(ColorFont, isActive()));
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p.drawText(titleSpacer_->geometry(), AlignCenter, caption());
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}
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void
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WebClient::doShape()
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{
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if (!shape_)
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return;
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QRegion mask(0, 0, width(), height());
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int r(width());
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int b(height());
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// Remove top-left corner.
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mask -= QRegion(0, 0, 5, 1);
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mask -= QRegion(0, 1, 3, 1);
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mask -= QRegion(0, 2, 2, 1);
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mask -= QRegion(0, 3, 1, 2);
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// Remove top-right corner.
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mask -= QRegion(r - 5, 0, 5, 1);
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mask -= QRegion(r - 3, 1, 3, 1);
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mask -= QRegion(r - 2, 2, 2, 1);
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mask -= QRegion(r - 1, 3, 1, 2);
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// Remove bottom-left corner.
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mask -= QRegion(0, b - 5, 1, 3);
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mask -= QRegion(0, b - 3, 2, 1);
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mask -= QRegion(0, b - 2, 3, 1);
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mask -= QRegion(0, b - 1, 5, 1);
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// Remove bottom-right corner.
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mask -= QRegion(r - 5, b - 1, 5, 1);
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mask -= QRegion(r - 3, b - 2, 3, 1);
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mask -= QRegion(r - 2, b - 3, 2, 1);
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mask -= QRegion(r - 1, b - 5, 1, 2);
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setMask(mask);
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}
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void
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WebClient::showEvent(QShowEvent *)
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{
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doShape();
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widget()->repaint();
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}
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void
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WebClient::windowWrapperShowEvent(QShowEvent *)
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{
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doShape();
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widget()->repaint();
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}
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void
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WebClient::mouseDoubleClickEvent(QMouseEvent * e)
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{
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if (titleSpacer_->geometry().contains(e->pos()))
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{
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titlebarDblClickOperation();
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}
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}
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void
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WebClient::desktopChange()
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{
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emit(oadChange(isOnAllDesktops()));
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}
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void
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WebClient::maximizeChange()
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{
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emit(maxChange(maximizeMode()==MaximizeFull));
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}
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void
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WebClient::activeChange()
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{
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widget()->repaint();
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}
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WebClient::Position
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WebClient::mousePosition(const QPoint & p) const
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{
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int x = p.x();
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int y = p.y();
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int corner = 14 + 3*borderSize_/2;
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if (y < titleSpacer_->geometry().height())
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{
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// rikkus: this style is not designed to be resizable at the top edge.
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#if 0
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if ((y < 4 && x < corner) || x < 4)
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return Client::TopLeft;
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else if ((y < 4 && x > width() - corner) || x > width() - 4)
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return Client::TopRight;
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else if (y < 4)
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return Client::Top;
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else
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#endif
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return KDecoration::PositionCenter;
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}
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else if (y < height() - borderSize_)
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{
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if (x < borderSize_)
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return KDecoration::PositionLeft;
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else
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if (x > width() - borderSize_)
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return KDecoration::PositionRight;
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else
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return KDecoration::PositionCenter;
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}
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else
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{
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if (x < 12 + corner)
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return KDecoration::PositionBottomLeft;
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else
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if (x > width() - corner)
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return KDecoration::PositionBottomRight;
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else
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return KDecoration::PositionBottom;
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}
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return KDecoration::mousePosition(p);
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}
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void
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WebClient::slotMaximize(int button)
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{
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switch (button)
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{
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case MidButton:
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maximize(maximizeMode() ^ MaximizeVertical);
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break;
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case RightButton:
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maximize(maximizeMode() ^ MaximizeHorizontal);
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break;
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case LeftButton:
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default:
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maximize(maximizeMode() == MaximizeFull ? MaximizeRestore : MaximizeFull);
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}
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}
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WebButton *
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WebClient::_createButton(const QString & s, QWidget * parent)
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{
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WebButton * b = 0;
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if (("Help" == s) && providesContextHelp())
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{
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b = new WebButtonHelp(parent, this);
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connect(b, SIGNAL(help()), this, SLOT(showContextHelp()));
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}
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else if ("OnAllDesktops" == s)
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{
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b = new WebButtonSticky(isOnAllDesktops(), parent, this);
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connect(b, SIGNAL(toggleSticky()), this, SLOT(toggleOnAllDesktops()));
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connect(this, SIGNAL(oadChange(bool)), b, SLOT(slotOnAllDesktopsChange(bool)));
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}
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else if ("Minimize" == s && isMinimizable())
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{
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b = new WebButtonIconify(parent, this);
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connect(b, SIGNAL(minimize()), this, SLOT(minimize()));
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}
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else if ("Maximize" == s && isMaximizable())
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{
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b = new WebButtonMaximize((maximizeMode()==MaximizeFull), parent, this);
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connect(b, SIGNAL(maximize(int)), this, SLOT(slotMaximize(int)));
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connect(this, SIGNAL(maxChange(bool)), b, SLOT(slotMaximizeChange(bool)));
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}
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else if ("Close" == s && isCloseable())
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{
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b = new WebButtonClose(parent, this);
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connect(b, SIGNAL(closeWindow()), this, SLOT(closeWindow()));
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}
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else if ("Lower" == s)
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{
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b = new WebButtonLower(parent, this);
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connect(b, SIGNAL(lowerWindow()), this, SLOT(slotLowerWindow()));
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}
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if (0 != b)
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{
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b->setShape(shape_);
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}
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return b;
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}
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void
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WebClient::_createButtons()
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{
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leftButtonList_ .clear();
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rightButtonList_ .clear();
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QString buttons = options()->titleButtonsLeft() + "|" + options()->titleButtonsRight();
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QPtrList<WebButton> *buttonList = &leftButtonList_;
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for (unsigned int i = 0; i < buttons.length(); ++i)
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{
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WebButton * tb = 0;
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switch (buttons[i].latin1())
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{
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case 'S': // OnAllDesktops
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tb = _createButton("OnAllDesktops", widget());
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break;
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case 'H': // Help
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tb = _createButton("Help", widget());
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break;
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case 'I': // Minimize
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tb = _createButton("Minimize", widget());
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break;
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case 'A': // Maximize
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tb = _createButton("Maximize", widget());
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break;
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case 'X': // Close
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tb = _createButton("Close", widget());
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break;
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case '|':
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buttonList = &rightButtonList_;
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break;
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}
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if (0 != tb)
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buttonList->append(tb);
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}
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if (!leftButtonList_.isEmpty())
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leftButtonList_.first()->setPosition(WebButton::Left);
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if (!rightButtonList_.isEmpty())
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rightButtonList_.last()->setPosition(WebButton::Right);
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}
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void
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WebClient::_resetLayout()
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{
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KConfig c("kwinwebrc");
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c.setGroup("General");
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shape_ = c.readBoolEntry("Shape", true);
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// ____________________________________
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// | | | |
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// |Xo| titleSpacer |v^| <--- topLayout
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// |__|______________________________|__|
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// | | | |
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// | | | |
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// | | fake window | |
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// | | | | <--- midLayout
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// | | | |
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// | | | |
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// | |________________________________| |
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// |____________________________________|
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const uint sideMargin = borderSize_;
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const uint bottomMargin = borderSize_;
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if (0 != titleHeight_ % 2)
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titleHeight_ += 1;
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delete mainLayout_;
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mainLayout_ = new QVBoxLayout(widget(), 0, 0);
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titleSpacer_ = new QSpacerItem ( 0, titleHeight_, QSizePolicy::Expanding,
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QSizePolicy::Fixed);
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QBoxLayout * topLayout = new QBoxLayout(mainLayout_, QBoxLayout::LeftToRight, 0, 0);
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_createButtons();
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// Add left-side buttons.
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for (QPtrListIterator<WebButton> it(leftButtonList_); it.current(); ++it)
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{
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topLayout->addWidget(it.current(), Qt::AlignVCenter);
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topLayout->setStretchFactor(it.current(), 0);
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it.current()->setFixedSize(titleHeight_, titleHeight_);
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}
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topLayout->addItem(titleSpacer_);
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// Add right-side buttons.
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for (QPtrListIterator<WebButton> it(rightButtonList_); it.current(); ++it)
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{
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topLayout->addWidget(it.current(), Qt::AlignVCenter);
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it.current()->setFixedSize(titleHeight_, titleHeight_);
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}
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// -------------------------------------------------------------------
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QHBoxLayout * midLayout = new QHBoxLayout(mainLayout_, 0, 0);
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midLayout->addSpacing(sideMargin);
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if( isPreview())
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midLayout->addWidget(new QLabel( i18n( "<center><b>Web</b></center>" ), widget()));
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else
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midLayout->addItem( new QSpacerItem( 0, 0 )); // no widget in the middle
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midLayout->addSpacing(sideMargin);
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// -------------------------------------------------------------------
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mainLayout_->addSpacing(bottomMargin);
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// Make sure that topLayout doesn't stretch - midLayout should take
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// all spare space.
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mainLayout_->setStretchFactor(topLayout, 0);
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mainLayout_->setStretchFactor(midLayout, 1);
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}
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void WebClient::borders(int& left, int& right, int& top, int& bottom) const
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{
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left = borderSize_;
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right = borderSize_;
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top = titleHeight_;
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bottom = borderSize_;
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}
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void WebClient::resize( const QSize& s )
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{
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widget()->resize( s );
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}
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QSize WebClient::minimumSize() const
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{
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return QSize( 200, 50 );
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}
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const int SUPPORTED_WINDOW_TYPES_MASK = NET::NormalMask | NET::DesktopMask | NET::DockMask
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| NET::ToolbarMask | NET::MenuMask | NET::DialogMask | NET::OverrideMask | NET::TopMenuMask
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| NET::UtilityMask | NET::SplashMask;
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bool WebClient::isTool()
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{
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NET::WindowType type = windowType( SUPPORTED_WINDOW_TYPES_MASK );
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return ((type==NET::Toolbar)||(type==NET::NET::Utility)||(type==NET::Menu));
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}
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|
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bool WebClient::eventFilter( QObject* o, QEvent* e )
|
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{
|
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if( o != widget())
|
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return false;
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switch( e->type())
|
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{
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case QEvent::Resize:
|
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resizeEvent(static_cast< QResizeEvent* >( e ) );
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return true;
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case QEvent::Paint:
|
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paintEvent(static_cast< QPaintEvent* >( e ) );
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return true;
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case QEvent::MouseButtonDblClick:
|
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mouseDoubleClickEvent(static_cast< QMouseEvent* >( e ) );
|
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return true;
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case QEvent::MouseButtonPress:
|
|
processMousePressEvent(static_cast< QMouseEvent* >( e ) );
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
KDecoration* WebFactory::createDecoration( KDecorationBridge* b )
|
|
{
|
|
return(new WebClient(b, this));
|
|
}
|
|
|
|
bool WebFactory::reset(unsigned long changed)
|
|
{
|
|
// Do we need to "hit the wooden hammer" ?
|
|
bool needHardReset = true;
|
|
if (changed & SettingColors || changed & SettingFont)
|
|
{
|
|
needHardReset = false;
|
|
}
|
|
|
|
if (needHardReset) {
|
|
return true;
|
|
} else {
|
|
resetDecorations(changed);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
QValueList< WebFactory::BorderSize > WebFactory::borderSizes() const
|
|
{ // the list must be sorted
|
|
return QValueList< BorderSize >() << BorderNormal << BorderLarge <<
|
|
BorderVeryLarge << BorderHuge << BorderVeryHuge << BorderOversized;
|
|
}
|
|
|
|
}
|
|
|
|
#include "Web.moc"
|
|
// vim:ts=2:sw=2:tw=78:set et:
|