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674 lines
17 KiB
674 lines
17 KiB
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QPoint>
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#include <QPointF>
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#include <QPainterPath>
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#include "UBDockPalette.h"
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#include "core/UBSettings.h"
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#include "frameworks/UBPlatformUtils.h"
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#include "core/UBApplication.h"
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#include "core/UBPreferencesController.h"
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#include "core/UBDownloadManager.h"
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#include "core/memcheck.h"
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/**
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* \brief The constructor
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*/
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UBDockPalette::UBDockPalette(QWidget *parent, const char *name)
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:QWidget(parent, Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint)
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, mOrientation(eUBDockOrientation_Left)
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, mPreferredWidth(100)
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, mPreferredHeight(100)
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, mCanResize(false)
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, mResized(false)
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, mCollapseWidth(150)
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, mLastWidth(-1)
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, mHTab(0)
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, mpStackWidget(NULL)
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, mpLayout(NULL)
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, mCurrentTab(0)
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{
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setObjectName(name);
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mpLayout = new QVBoxLayout();
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setLayout(mpLayout);
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mpStackWidget = new QStackedWidget(this);
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mpLayout->addWidget(mpStackWidget);
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// clear the tab widgets
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mTabWidgets.clear();
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// We let 2 pixels in order to keep a small border for the resizing
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setMinimumWidth(2*border() + 2);
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if (parent)
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{
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setAttribute(Qt::WA_NoMousePropagation);
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setAttribute(Qt::WA_TranslucentBackground);
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}
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else
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{
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// standalone window
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setAttribute(Qt::WA_TranslucentBackground);
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// !!!! Should be included into Windows after QT recompilation
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#ifdef Q_WS_MAC
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//setAttribute(Qt::WA_MacNoShadow);
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#endif
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}
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mBackgroundBrush = QBrush(UBSettings::paletteColor);
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// This is the only way to set the background as transparent!
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setStyleSheet("QWidget {background-color: transparent}");
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// Set the position of the tab
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onToolbarPosUpdated();
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connect(UBSettings::settings()->appToolBarPositionedAtTop, SIGNAL(changed(QVariant)), this, SLOT(onToolbarPosUpdated()));
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connect(UBDownloadManager::downloadManager(), SIGNAL(allDownloadsFinished()), this, SLOT(onAllDownloadsFinished()));
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}
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/**
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* \brief The destructor
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*/
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UBDockPalette::~UBDockPalette()
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{
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if(NULL != mpStackWidget)
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{
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delete mpStackWidget;
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mpStackWidget = NULL;
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}
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if(NULL != mpLayout)
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{
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delete mpLayout;
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mpLayout = NULL;
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}
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}
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/**
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* \brief Get the current orientation
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* @return the current orientation
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*/
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eUBDockOrientation UBDockPalette::orientation()
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{
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return mOrientation;
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}
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/**
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* \brief Set the current orientation
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* @param orientation as the given orientation
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*/
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void UBDockPalette::setOrientation(eUBDockOrientation orientation)
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{
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// Set the size
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mOrientation = orientation;
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if(orientation == eUBDockOrientation_Left || orientation == eUBDockOrientation_Right)
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{
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setMaximumHeight(parentWidget()->height());
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setMinimumHeight(maximumHeight());
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}
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else if(orientation == eUBDockOrientation_Top || orientation == eUBDockOrientation_Bottom)
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{
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setMaximumWidth(parentWidget()->width());
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setMinimumWidth(maximumWidth());
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}
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}
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/**
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* \brief Handle the mouse move event
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* @param as the mouse event
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*/
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void UBDockPalette::mouseMoveEvent(QMouseEvent *event)
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{
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QPoint p = event->pos();
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if(mCanResize && ((mMousePressPos - p).manhattanLength() > QApplication::startDragDistance()))
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{
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switch(mOrientation)
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{
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case eUBDockOrientation_Left:
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if(p.x() < collapseWidth() && p.x() >= minimumWidth())
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{
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resize(border(), height());
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mLastWidth = collapseWidth() + 1;
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mResized = true;
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}
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else if(p.x() <= maximumWidth() && p.x() >= minimumWidth())
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{
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resize(p.x(), height());
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mResized = true;
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}
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break;
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case eUBDockOrientation_Right:
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if((this->x() + p.x() > parentWidget()->width() - collapseWidth()) && (this->x() + p.x() < parentWidget()->width()))
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{
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resize(border(), height());
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mLastWidth = collapseWidth() + 1;
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mResized = true;
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}
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else if((this->x() + p.x() >= parentWidget()->width() - maximumWidth()) && (this->x() + p.x() <= parentWidget()->width() - this->minimumWidth()))
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{
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resize(parentWidget()->width() - (this->x() + p.x()), height());
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mResized = true;
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}
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break;
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case eUBDockOrientation_Top:
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case eUBDockOrientation_Bottom:
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if(p.y() <= maximumHeight())
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{
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resize(width(), p.y());
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mResized = true;
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}
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break;
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default:
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break;
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}
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}
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}
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/**
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* \brief Handle the mouse press event
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* @param as the mouse event
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*/
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void UBDockPalette::mousePressEvent(QMouseEvent *event)
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{
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mClickTime = QTime::currentTime();
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// The goal here is to verify if the user can resize the widget.
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// It is only possible to resize it if the border is selected
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QPoint p = event->pos();
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mMousePressPos = p;
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mResized = false;
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switch(mOrientation)
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{
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case eUBDockOrientation_Left:
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if((p.x() >= width() - 2 * border()) && (p.x() <= width()))
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{
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mCanResize = true;
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}
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break;
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case eUBDockOrientation_Right:
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if((p.x() >= 0) && (p.x() <= 2 * border()))
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{
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mCanResize = true;
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}
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break;
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case eUBDockOrientation_Top:
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// Not supported yet
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break;
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case eUBDockOrientation_Bottom:
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// Not supported yet
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break;
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default:
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break;
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}
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}
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/**
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* \brief Handle the mouse release event
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* @param event as the mouse event
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*/
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void UBDockPalette::mouseReleaseEvent(QMouseEvent *event)
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{
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Q_UNUSED(event);
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if(!mResized && mClickTime.elapsed() < CLICKTIME)
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{
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int nbTabs = mTabWidgets.size();
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int clickedTab = 0;
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// If the clicked position is in the tab, perform the related action
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if(eUBDockOrientation_Left == mOrientation)
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{
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if(mMousePressPos.x() >= width() - 2*border() &&
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mMousePressPos.y() >= mHTab &&
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mMousePressPos.x() <= width() &&
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mMousePressPos.y() <= mHTab + nbTabs*TABSIZE + (nbTabs -1)*tabSpacing())
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{
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clickedTab = (mMousePressPos.y() - mHTab)/(TABSIZE+tabSpacing());
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tabClicked(clickedTab);
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}
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}
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else if(eUBDockOrientation_Right == mOrientation)
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{
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if(mMousePressPos.x() >= 0 &&
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mMousePressPos.x() <= 2*border() &&
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mMousePressPos.y() >= mHTab &&
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mMousePressPos.y() <= mHTab + nbTabs*TABSIZE + (nbTabs -1)*tabSpacing())
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{
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clickedTab = (mMousePressPos.y() - mHTab)/(TABSIZE+tabSpacing());
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tabClicked(clickedTab);
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}
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}
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}
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mCanResize = false;
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}
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/**
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* \brief Handle the resize event
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* @param event as the resize event
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*/
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void UBDockPalette::resizeEvent(QResizeEvent *event)
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{
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Q_UNUSED(event);
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updateMaxWidth();
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if(parentWidget())
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{
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setMinimumHeight(parentWidget()->height());
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}
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// Set the position
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QPoint origin;
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switch(mOrientation)
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{
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case eUBDockOrientation_Right:
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origin.setX(parentWidget()->width() - this->width());
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origin.setY(0);
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break;
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case eUBDockOrientation_Bottom:
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// Not supported yet
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case eUBDockOrientation_Top:
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// Not supported yet
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case eUBDockOrientation_Left:
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default:
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origin.setX(0);
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origin.setY(0);
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break;
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}
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move(origin.x(), origin.y());
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}
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/**
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* \brief Handle the mouse enter event
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* @param event as the mouse event
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*/
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void UBDockPalette::enterEvent(QEvent *event)
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{
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Q_UNUSED(event);
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// We want to set the cursor as an arrow everytime it enters the palette
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setCursor(Qt::ArrowCursor);
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}
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/**
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* \brief Handle the mouse leave event
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* @param event as the mouse event
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*/
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void UBDockPalette::leaveEvent(QEvent *event)
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{
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Q_UNUSED(event);
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// Restore the cursor to its previous shape
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unsetCursor();
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}
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/**
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* \brief Draw the palette
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* @param event as the paint event
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*/
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void UBDockPalette::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event);
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setPen(Qt::NoPen);
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painter.setBrush(mBackgroundBrush);
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QPainterPath path;
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path.setFillRule(Qt::WindingFill);
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int nbTabs = mTabWidgets.size();
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if(0 < nbTabs)
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{
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// First draw the BIG RECTANGLE (I write it big because the rectangle is big...)
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if(mOrientation == eUBDockOrientation_Left)
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{
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path.addRect(0.0, 0.0, width()-2*border(), height());
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}
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else if(mOrientation == eUBDockOrientation_Right)
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{
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path.addRect(2*border(), 0.0, width()-2*border(), height());
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}
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// THEN DRAW THE small tabs (yes, the tabs are small...)
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if(eUBDockTabOrientation_Up == mTabsOrientation)
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{
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mHTab = border();
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}
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else
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{
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mHTab = height() - border() - nbTabs*TABSIZE - (nbTabs-1)*tabSpacing();
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}
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for(int i = 0; i < mTabWidgets.size(); i++)
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{
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UBDockPaletteWidget* pCrntWidget = mTabWidgets.at(i);
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if(NULL != pCrntWidget)
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{
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if(mOrientation == eUBDockOrientation_Left)
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{
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path.addRoundedRect(width()-4*border(), mHTab + i*TABSIZE + i*tabSpacing(), 4*border(), TABSIZE, radius(), radius());
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painter.drawPath(path);
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QPixmap iconPixmap;
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if(mCollapseWidth >= width())
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{
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// Get the collapsed icon
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iconPixmap = pCrntWidget->iconToRight();
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}
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else
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{
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// Get the expanded icon
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iconPixmap = pCrntWidget->iconToLeft();
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}
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painter.drawPixmap(width() - 2*border() + 1, mHTab + i*TABSIZE + i*tabSpacing() + 1 , 2*border() - 4, TABSIZE - 2, iconPixmap);
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}
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else if(mOrientation == eUBDockOrientation_Right)
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{
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path.addRoundedRect(0.0, mHTab + i*TABSIZE + i*tabSpacing(), 4*border(), TABSIZE, radius(), radius());
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painter.drawPath(path);
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QPixmap iconPixmap;
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if(mCollapseWidth >= width())
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{
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// Get the collapsed icon
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iconPixmap = pCrntWidget->iconToLeft();
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}
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else
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{
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// Get the expanded icon
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iconPixmap = pCrntWidget->iconToRight();
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}
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painter.drawPixmap(2, mHTab + i*TABSIZE + i*tabSpacing() + 1, 2*border() - 4, TABSIZE - 2, iconPixmap);
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}
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else
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{
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painter.drawRoundedRect(border(), border(), width() - 2 * border(), height() - 2 * border(), radius(), radius());
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}
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}
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}
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}
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}
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/**
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* \brief Set the background brush
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* @param brush as the given brush
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*/
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void UBDockPalette::setBackgroundBrush(const QBrush &brush)
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{
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if (mBackgroundBrush != brush)
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{
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mBackgroundBrush = brush;
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update();
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}
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}
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/**
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* Get the border size
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* @return the border size
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*/
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int UBDockPalette::border()
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{
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return 15;
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}
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/**
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* \brief Get the radius size
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* @return the radius size
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*/
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int UBDockPalette::radius()
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{
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return 5;
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}
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/**
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* \brief Set the maximum width
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*/
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void UBDockPalette::updateMaxWidth()
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{
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// Only the inherited class will overload this method
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}
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/**
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* \brief Get the collapse width value
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* @return the collapse widht value
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*/
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int UBDockPalette::collapseWidth()
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{
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return mCollapseWidth;
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}
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/**
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* \brief collapse/expand automatically the palette after a click on its tab
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*/
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void UBDockPalette::tabClicked(int tabIndex)
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{
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// If the current tab is not the clicked one, show its content
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if(mCurrentTab != tabIndex)
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{
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showTabWidget(tabIndex);
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}
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// else collapse the palette
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else
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{
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toggleCollapseExpand();
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}
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}
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/**
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* \brief Show the tab widget related to the given index
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* @param tabIndex as the given index
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*/
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void UBDockPalette::showTabWidget(int tabIndex)
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{
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mpStackWidget->setCurrentIndex(tabIndex);
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mCurrentTab = tabIndex;
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// Expand it if collapsed
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if(mLastWidth != -1)
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{
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toggleCollapseExpand();
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}
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// Update the current tab index
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if(NULL != (dynamic_cast<UBDockPaletteWidget*>(mpStackWidget->widget(tabIndex)))){
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mCrntTabWidget = dynamic_cast<UBDockPaletteWidget*>(mpStackWidget->widget(tabIndex))->name();
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}
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}
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/**
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* \brief Toggle the collapse / expand state
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*/
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void UBDockPalette::toggleCollapseExpand()
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{
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if(mLastWidth == -1)
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{
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// The palette must be collapsed
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mLastWidth = width();
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resize(2*border(), height());
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}
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else
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{
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// The palette will be expanded
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resize(mLastWidth, height());
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mLastWidth = -1;
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}
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}
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/**
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* \brief Set the tabs orientation
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* @param orientation as the given tabs orientation
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*/
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void UBDockPalette::setTabsOrientation(eUBDockTabOrientation orientation)
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{
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mTabsOrientation = orientation;
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}
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/**
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* \brief Update the tab position regarding the toolbar position (up or down)
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*/
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void UBDockPalette::onToolbarPosUpdated()
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{
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// Get the position of the tab
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if(UBSettings::settings()->appToolBarPositionedAtTop->get().toBool())
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{
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setTabsOrientation(eUBDockTabOrientation_Up);
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}
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else
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{
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setTabsOrientation(eUBDockTabOrientation_Down);
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}
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update();
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}
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/**
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* \brief Get the custom margin
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* @return the custom margin value
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*/
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int UBDockPalette::customMargin()
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{
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return 5;
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}
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/**
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* \brief Add the given tab widget
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* @param widget as the given widget
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*/
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void UBDockPalette::addTab(UBDockPaletteWidget *widget)
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{
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if(!mTabWidgets.contains(widget) && widget->visibleState())
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{
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widget->setVisible(true);
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mTabWidgets.append(widget);
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mpStackWidget->addWidget(widget);
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mpStackWidget->setCurrentWidget(widget);
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update();
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}
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}
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/**
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* \brief Remove the given tab
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* @param widgetName as the tab widget name
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*/
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void UBDockPalette::removeTab(const QString &widgetName)
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{
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for(int i = 0; i < mTabWidgets.size(); i++)
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{
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UBDockPaletteWidget* pCrntWidget = mTabWidgets.at(i);
|
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if(NULL != pCrntWidget && (pCrntWidget->name() == widgetName))
|
|
{
|
|
mpStackWidget->removeWidget(pCrntWidget);
|
|
mTabWidgets.remove(i);
|
|
pCrntWidget->hide();
|
|
update();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* \brief Handle the resize request
|
|
* @param event as the given resize request
|
|
*/
|
|
void UBDockPalette::onResizeRequest(QResizeEvent *event)
|
|
{
|
|
resizeEvent(event);
|
|
}
|
|
|
|
/**
|
|
* \brief Get the tab spacing
|
|
* @return the tab spacing
|
|
*/
|
|
int UBDockPalette::tabSpacing()
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
/**
|
|
* \brief Show the given widget
|
|
* @param widgetName as the given widget name
|
|
*/
|
|
void UBDockPalette::onShowTabWidget(const QString &widgetName)
|
|
{
|
|
for(int i = 0; i < mRegisteredWidgets.size(); i++)
|
|
{
|
|
UBDockPaletteWidget* pCrntWidget = mRegisteredWidgets.at(i);
|
|
if(NULL != pCrntWidget && (pCrntWidget->name() == widgetName))
|
|
{
|
|
pCrntWidget->setVisibleState(true);
|
|
addTab(pCrntWidget);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* \brief Hide the given widget
|
|
* @param widgetName as the given widget name
|
|
*/
|
|
void UBDockPalette::onHideTabWidget(const QString &widgetName)
|
|
{
|
|
for(int i = 0; i < mRegisteredWidgets.size(); i++){
|
|
UBDockPaletteWidget* pCrntWidget = mRegisteredWidgets.at(i);
|
|
if(NULL != pCrntWidget && (pCrntWidget->name() == widgetName)){
|
|
pCrntWidget->setVisibleState(false);
|
|
break;
|
|
}
|
|
}
|
|
removeTab(widgetName);
|
|
}
|
|
|
|
/**
|
|
* \brief Connect the show / hide signals of the widget related to this dock palette
|
|
*/
|
|
void UBDockPalette::connectSignals()
|
|
{
|
|
for(int i=0; i < mRegisteredWidgets.size(); i++)
|
|
{
|
|
connect(mRegisteredWidgets.at(i), SIGNAL(showTab(QString)), this, SLOT(onShowTabWidget(QString)));
|
|
connect(mRegisteredWidgets.at(i), SIGNAL(hideTab(QString)), this, SLOT(onHideTabWidget(QString)));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* \brief Register the given widget
|
|
* @param widget as the given widget
|
|
*/
|
|
void UBDockPalette::registerWidget(UBDockPaletteWidget *widget)
|
|
{
|
|
if(!mRegisteredWidgets.contains(widget))
|
|
{
|
|
// Update the parent of this widget
|
|
widget->setParent(this);
|
|
mRegisteredWidgets.append(widget);
|
|
|
|
// By default, the widget is hidden
|
|
widget->hide();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* \brief Handles the 'all download finished' notification
|
|
*/
|
|
void UBDockPalette::onAllDownloadsFinished()
|
|
{
|
|
for(int i=0; i<mTabWidgets.size(); i++){
|
|
UBDockPaletteWidget* pW = mTabWidgets.at(i);
|
|
if(NULL != pW && mCrntTabWidget == pW->name()){
|
|
mpStackWidget->setCurrentWidget(pW);
|
|
}
|
|
}
|
|
}
|
|
|