miniprojecttargetselector.cpp 53.6 KB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
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**
** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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****************************************************************************/
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#include "miniprojecttargetselector.h"
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#include "target.h"
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#include <utils/styledbar.h>
#include <utils/stylehelper.h>

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#include <coreplugin/idocument.h>
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#include <coreplugin/icore.h>
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#include <coreplugin/coreconstants.h>
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#include <coreplugin/modemanager.h>
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#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/session.h>
#include <projectexplorer/project.h>
#include <projectexplorer/buildconfiguration.h>
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#include <projectexplorer/deployconfiguration.h>
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#include <projectexplorer/kitmanager.h>
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#include <projectexplorer/projectmodels.h>
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#include <projectexplorer/runconfiguration.h>
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#include <QTimer>
#include <QLayout>
#include <QLabel>
#include <QListWidget>
#include <QStatusBar>
#include <QKeyEvent>
#include <QPainter>
#include <QAction>
#include <QItemDelegate>
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static QIcon createCenteredIcon(const QIcon &icon, const QIcon &overlay)
{
    QPixmap targetPixmap;
    targetPixmap = QPixmap(Core::Constants::TARGET_ICON_SIZE, Core::Constants::TARGET_ICON_SIZE);
    targetPixmap.fill(Qt::transparent);
    QPainter painter(&targetPixmap);

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    QPixmap pixmap = icon.pixmap(Core::Constants::TARGET_ICON_SIZE);
    painter.drawPixmap((Core::Constants::TARGET_ICON_SIZE - pixmap.width())/2,
                       (Core::Constants::TARGET_ICON_SIZE - pixmap.height())/2, pixmap);
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    if (!overlay.isNull()) {
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        pixmap = overlay.pixmap(Core::Constants::TARGET_ICON_SIZE);
        painter.drawPixmap((Core::Constants::TARGET_ICON_SIZE - pixmap.width())/2,
                           (Core::Constants::TARGET_ICON_SIZE - pixmap.height())/2, pixmap);
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    }
    return QIcon(targetPixmap);
}

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using namespace ProjectExplorer;
using namespace ProjectExplorer::Internal;

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static bool projectLesserThan(Project *p1, Project *p2)
{
    int result = caseFriendlyCompare(p1->displayName(), p2->displayName());
    if (result != 0)
        return result < 0;
    else
        return p1 < p2;
}

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////////
// TargetSelectorDelegate
////////
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class TargetSelectorDelegate : public QItemDelegate
{
public:
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    TargetSelectorDelegate(ListWidget *parent) : QItemDelegate(parent), m_listWidget(parent) { }
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private:
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    QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const;
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    void paint(QPainter *painter,
               const QStyleOptionViewItem &option,
               const QModelIndex &index) const;
    mutable QImage selectionGradient;
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    ListWidget *m_listWidget;
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};

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QSize TargetSelectorDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    Q_UNUSED(option)
    Q_UNUSED(index)
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    return QSize(m_listWidget->size().width(), 30);
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}

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void TargetSelectorDelegate::paint(QPainter *painter,
                                   const QStyleOptionViewItem &option,
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                                   const QModelIndex &index) const
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{
    painter->save();
    painter->setClipping(false);

    if (selectionGradient.isNull())
        selectionGradient.load(QLatin1String(":/projectexplorer/images/targetpanel_gradient.png"));

    if (option.state & QStyle::State_Selected) {
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        QColor color =(option.state & QStyle::State_HasFocus) ?
                      option.palette.highlight().color() :
                      option.palette.dark().color();
        painter->fillRect(option.rect, color.darker(140));
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        Utils::StyleHelper::drawCornerImage(selectionGradient, painter, option.rect.adjusted(0, 0, 0, -1), 5, 5, 5, 5);
        painter->setPen(QColor(255, 255, 255, 60));
        painter->drawLine(option.rect.topLeft(), option.rect.topRight());
        painter->setPen(QColor(255, 255, 255, 30));
        painter->drawLine(option.rect.bottomLeft() - QPoint(0,1), option.rect.bottomRight() -  QPoint(0,1));
        painter->setPen(QColor(0, 0, 0, 80));
        painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight());
    }
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    QFontMetrics fm(option.font);
    QString text = index.data(Qt::DisplayRole).toString();
    painter->setPen(QColor(255, 255, 255, 160));
    QString elidedText = fm.elidedText(text, Qt::ElideMiddle, option.rect.width() - 12);
    if (elidedText != text)
        const_cast<QAbstractItemModel *>(index.model())->setData(index, text, Qt::ToolTipRole);
    else
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        const_cast<QAbstractItemModel *>(index.model())->setData(index, QString(), Qt::ToolTipRole);
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    painter->drawText(option.rect.left() + 6, option.rect.top() + (option.rect.height() - fm.height()) / 2 + fm.ascent(), elidedText);

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    painter->restore();
}

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////////
// ListWidget
////////
ListWidget::ListWidget(QWidget *parent)
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    : QListWidget(parent), m_maxCount(0), m_optimalWidth(0)
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{
    setFocusPolicy(Qt::NoFocus);
    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    setAlternatingRowColors(false);
    setFocusPolicy(Qt::WheelFocus);
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    setItemDelegate(new TargetSelectorDelegate(this));
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    setAttribute(Qt::WA_MacShowFocusRect, false);
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    setStyleSheet(QString::fromLatin1("QListWidget { background: #464646; border-style: none; }"));
    setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
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}

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void ListWidget::keyPressEvent(QKeyEvent *event)
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{
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    if (event->key() == Qt::Key_Left)
        focusPreviousChild();
    else if (event->key() == Qt::Key_Right)
        focusNextChild();
    else
        QListWidget::keyPressEvent(event);
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}

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void ListWidget::keyReleaseEvent(QKeyEvent *event)
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{
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    if (event->key() != Qt::Key_Left && event->key() != Qt::Key_Right)
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        QListWidget::keyReleaseEvent(event);
}
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void ListWidget::setMaxCount(int maxCount)
{
    m_maxCount = maxCount;
    updateGeometry();
}
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int ListWidget::maxCount()
{
    return m_maxCount;
}

int ListWidget::optimalWidth() const
{
    return m_optimalWidth;
}

void ListWidget::setOptimalWidth(int width)
{
    m_optimalWidth = width;
    updateGeometry();
}

int ListWidget::padding()
{
    // there needs to be enough extra pixels to show a scrollbar
    return 30;
}

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////////
// ProjectListWidget
////////
ProjectListWidget::ProjectListWidget(SessionManager *sessionManager, QWidget *parent)
    : ListWidget(parent), m_sessionManager(sessionManager), m_ignoreIndexChange(false)
{
    connect(m_sessionManager, SIGNAL(projectAdded(ProjectExplorer::Project*)),
            this, SLOT(addProject(ProjectExplorer::Project*)));
    connect(m_sessionManager, SIGNAL(aboutToRemoveProject(ProjectExplorer::Project*)),
            this, SLOT(removeProject(ProjectExplorer::Project*)));
    connect(m_sessionManager, SIGNAL(startupProjectChanged(ProjectExplorer::Project*)),
            this, SLOT(changeStartupProject(ProjectExplorer::Project*)));
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    connect(m_sessionManager, SIGNAL(projectDisplayNameChanged(ProjectExplorer::Project*)),
            this, SLOT(projectDisplayNameChanged(ProjectExplorer::Project*)));
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    connect(this, SIGNAL(currentRowChanged(int)),
            this, SLOT(setProject(int)));
}

QListWidgetItem *ProjectListWidget::itemForProject(Project *project)
{
    for (int i = 0; i < count(); ++i) {
        QListWidgetItem *currentItem = item(i);
        if (currentItem->data(Qt::UserRole).value<Project*>() == project)
            return currentItem;
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    }
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    return 0;
}

QString ProjectListWidget::fullName(ProjectExplorer::Project *project)
{
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    return tr("%1 (%2)").arg(project->displayName(), project->document()->fileName());
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}
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void ProjectListWidget::addProject(Project *project)
{
    m_ignoreIndexChange = true;
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    int pos = count();
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    for (int i=0; i < count(); ++i) {
        Project *p = item(i)->data(Qt::UserRole).value<Project*>();
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        if (projectLesserThan(project, p)) {
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            pos = i;
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            break;
        }
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    }
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    bool useFullName = false;
    for (int i = 0; i < count(); ++i) {
        Project *p = item(i)->data(Qt::UserRole).value<Project*>();
        if (p->displayName() == project->displayName()) {
            useFullName = true;
            item(i)->setText(fullName(p));
        }
    }
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    QString displayName = useFullName ? fullName(project) : project->displayName();
    QListWidgetItem *item = new QListWidgetItem();
    item->setData(Qt::UserRole, QVariant::fromValue(project));
    item->setText(displayName);
    insertItem(pos, item);
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    if (project == ProjectExplorerPlugin::instance()->startupProject())
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        setCurrentItem(item);
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    QFontMetrics fn(font());
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    int width = fn.width(displayName) + padding();
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    if (width > optimalWidth())
        setOptimalWidth(width);

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    m_ignoreIndexChange = false;
}

void ProjectListWidget::removeProject(Project *project)
{
    m_ignoreIndexChange = true;

    QListWidgetItem *listItem = itemForProject(project);
    delete listItem;

    // Update display names
    QString name = project->displayName();
    int countDisplayName = 0;
    int otherIndex = -1;
    for (int i = 0; i < count(); ++i) {
        Project *p = item(i)->data(Qt::UserRole).value<Project *>();
        if (p->displayName() == name) {
            ++countDisplayName;
            otherIndex = i;
        }
    }
    if (countDisplayName == 1) {
        Project *p = item(otherIndex)->data(Qt::UserRole).value<Project *>();
        item(otherIndex)->setText(p->displayName());
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    }
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    QFontMetrics fn(font());

    // recheck optimal width
    int width = 0;
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    for (int i = 0; i < count(); ++i)
        width = qMax(fn.width(item(i)->text()) + padding(), width);
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    setOptimalWidth(width);
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    m_ignoreIndexChange = false;
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}

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void ProjectListWidget::projectDisplayNameChanged(Project *project)
{
    m_ignoreIndexChange = true;

    int oldPos = 0;
    bool useFullName = false;
    for (int i = 0; i < count(); ++i) {
        Project *p = item(i)->data(Qt::UserRole).value<Project*>();
        if (p == project) {
            oldPos = i;
        } else if (p->displayName() == project->displayName()) {
            useFullName = true;
            item(i)->setText(fullName(p));
        }
    }

    bool isCurrentItem = (oldPos == currentRow());
    QListWidgetItem *projectItem = takeItem(oldPos);

    int pos = count();
    for (int i = 0; i < count(); ++i) {
        Project *p = item(i)->data(Qt::UserRole).value<Project*>();
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        if (projectLesserThan(project, p)) {
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            pos = i;
            break;
        }
    }

    QString displayName = useFullName ? fullName(project) : project->displayName();
    projectItem->setText(displayName);
    insertItem(pos, projectItem);
    if (isCurrentItem)
        setCurrentRow(pos);

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    // recheck optimal width
    QFontMetrics fn(font());
    int width = 0;
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    for (int i = 0; i < count(); ++i)
        width = qMax(fn.width(item(i)->text()) + padding(), width);
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    setOptimalWidth(width);

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    m_ignoreIndexChange = false;
}

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void ProjectListWidget::setProject(int index)
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{
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    if (m_ignoreIndexChange)
        return;
    if (index < 0)
        return;
    Project *p = item(index)->data(Qt::UserRole).value<Project *>();
    m_sessionManager->setStartupProject(p);
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}

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void ProjectListWidget::changeStartupProject(Project *project)
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{
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    setCurrentItem(itemForProject(project));
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}

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/////////
// GenericListWidget
/////////

GenericListWidget::GenericListWidget(QWidget *parent)
    : ListWidget(parent), m_ignoreIndexChange(false)
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{
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    connect(this, SIGNAL(currentRowChanged(int)),
            this, SLOT(rowChanged(int)));
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}

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void GenericListWidget::setProjectConfigurations(const QList<ProjectConfiguration *> &list, ProjectConfiguration *active)
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{
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    m_ignoreIndexChange = true;
    clear();
    for (int i = 0; i < count(); ++i) {
        ProjectConfiguration *p = item(i)->data(Qt::UserRole).value<ProjectConfiguration *>();
        disconnect(p, SIGNAL(displayNameChanged()),
                   this, SLOT(displayNameChanged()));
    }
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    QFontMetrics fn(font());
    int width = 0;
    foreach (ProjectConfiguration *pc, list) {
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        addProjectConfiguration(pc);
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        width = qMax(width, fn.width(pc->displayName()) + padding());
    }
    setOptimalWidth(width);
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    setActiveProjectConfiguration(active);
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    m_ignoreIndexChange = false;
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}
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void GenericListWidget::setActiveProjectConfiguration(ProjectConfiguration *active)
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{
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    QListWidgetItem *item = itemForProjectConfiguration(active);
    setCurrentItem(item);
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}

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void GenericListWidget::addProjectConfiguration(ProjectExplorer::ProjectConfiguration *pc)
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{
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    m_ignoreIndexChange = true;
    QListWidgetItem *lwi = new QListWidgetItem();
    lwi->setText(pc->displayName());
    lwi->setData(Qt::UserRole, QVariant::fromValue(pc));

    // Figure out pos
    int pos = count();
    for (int i = 0; i < count(); ++i) {
        ProjectConfiguration *p = item(i)->data(Qt::UserRole).value<ProjectConfiguration *>();
        if (pc->displayName() < p->displayName()) {
            pos = i;
            break;
        }
    }
    insertItem(pos, lwi);

    connect(pc, SIGNAL(displayNameChanged()),
            this, SLOT(displayNameChanged()));
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    QFontMetrics fn(font());
    int width = fn.width(pc->displayName()) + padding();
    if (width > optimalWidth())
        setOptimalWidth(width);
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    m_ignoreIndexChange = false;
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}

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void GenericListWidget::removeProjectConfiguration(ProjectExplorer::ProjectConfiguration *pc)
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{
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    m_ignoreIndexChange = true;
    disconnect(pc, SIGNAL(displayNameChanged()),
               this, SLOT(displayNameChanged()));
    delete itemForProjectConfiguration(pc);
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    QFontMetrics fn(font());
    int width = 0;
    for (int i = 0; i < count(); ++i) {
        ProjectConfiguration *p = item(i)->data(Qt::UserRole).value<ProjectConfiguration *>();
        width = qMax(width, fn.width(p->displayName()) + padding());
    }
    setOptimalWidth(width);

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    m_ignoreIndexChange = false;
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}

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void GenericListWidget::rowChanged(int index)
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{
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    if (m_ignoreIndexChange)
        return;
    if (index < 0)
        return;
    emit changeActiveProjectConfiguration(item(index)->data(Qt::UserRole).value<ProjectConfiguration *>());
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}

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void GenericListWidget::displayNameChanged()
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{
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    m_ignoreIndexChange = true;
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    ProjectConfiguration *activeProjectConfiguration = 0;
    if (currentItem())
        activeProjectConfiguration = currentItem()->data(Qt::UserRole).value<ProjectConfiguration *>();

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    ProjectConfiguration *pc = qobject_cast<ProjectConfiguration *>(sender());
    int index = -1;
    int i = 0;
    for (; i < count(); ++i) {
        QListWidgetItem *lwi = item(i);
        if (lwi->data(Qt::UserRole).value<ProjectConfiguration *>() == pc) {
            index = i;
            break;
        }
    }
    if (index == -1)
        return;
    QListWidgetItem *lwi = takeItem(i);
    lwi->setText(pc->displayName());
    int pos = count();
    for (int i = 0; i < count(); ++i) {
        ProjectConfiguration *p = item(i)->data(Qt::UserRole).value<ProjectConfiguration *>();
        if (pc->displayName() < p->displayName()) {
            pos = i;
            break;
        }
    }
    insertItem(pos, lwi);
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    if (activeProjectConfiguration)
        setCurrentItem(itemForProjectConfiguration(activeProjectConfiguration));
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    QFontMetrics fn(font());
    int width = 0;
    for (int i = 0; i < count(); ++i) {
        ProjectConfiguration *p = item(i)->data(Qt::UserRole).value<ProjectConfiguration *>();
        width = qMax(width, fn.width(p->displayName()) + padding());
    }
    setOptimalWidth(width);

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    m_ignoreIndexChange = false;
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}

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QListWidgetItem *GenericListWidget::itemForProjectConfiguration(ProjectConfiguration *pc)
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{
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    for (int i = 0; i < count(); ++i) {
        QListWidgetItem *lwi = item(i);
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        if (lwi->data(Qt::UserRole).value<ProjectConfiguration *>() == pc)
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            return lwi;
    }
    return 0;
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}

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QWidget *MiniProjectTargetSelector::createTitleLabel(const QString &text)
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{
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    Utils::StyledBar *bar = new Utils::StyledBar(this);
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    bar->setSingleRow(true);
    QVBoxLayout *toolLayout = new QVBoxLayout(bar);
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    toolLayout->setContentsMargins(6, 0, 6, 0);
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    toolLayout->setSpacing(0);

    QLabel *l = new QLabel(text);
    QFont f = l->font();
    f.setBold(true);
    l->setFont(f);
    toolLayout->addWidget(l);

    int panelHeight = l->fontMetrics().height() + 12;
    bar->ensurePolished(); // Required since manhattanstyle overrides height
    bar->setFixedHeight(panelHeight);
    return bar;
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}

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MiniProjectTargetSelector::MiniProjectTargetSelector(QAction *targetSelectorAction, SessionManager *sessionManager, QWidget *parent) :
    QWidget(parent), m_projectAction(targetSelectorAction), m_sessionManager(sessionManager),
    m_project(0),
    m_target(0),
    m_buildConfiguration(0),
    m_deployConfiguration(0),
    m_runConfiguration(0),
    m_hideOnRelease(false)
{
    QPalette p = palette();
    p.setColor(QPalette::Text, QColor(255, 255, 255, 160));
    setPalette(p);
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    setProperty("panelwidget", true);
    setContentsMargins(QMargins(0, 1, 1, 8));
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    setWindowFlags(Qt::Popup);

    targetSelectorAction->setIcon(style()->standardIcon(QStyle::SP_ComputerIcon));
    targetSelectorAction->setProperty("titledAction", true);

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    m_summaryLabel = new QLabel(this);
    m_summaryLabel->setMargin(3);
    m_summaryLabel->setAlignment(Qt::AlignLeft | Qt::AlignTop);
    m_summaryLabel->setStyleSheet(QString::fromLatin1("background: #464646;"));
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    m_summaryLabel->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
    m_summaryLabel->setTextInteractionFlags(m_summaryLabel->textInteractionFlags() | Qt::LinksAccessibleByMouse);
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    m_listWidgets.resize(LAST);
    m_titleWidgets.resize(LAST);
    m_listWidgets[PROJECT] = 0; //project is not a generic list widget

    m_titleWidgets[PROJECT] = createTitleLabel(tr("Project"));
    m_projectListWidget = new ProjectListWidget(m_sessionManager, this);

    QStringList titles;
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    titles << tr("Kit") << tr("Build")
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           << tr("Deploy") << tr("Run");

    for (int i = TARGET; i < LAST; ++i) {
        m_titleWidgets[i] = createTitleLabel(titles.at(i -1));
        m_listWidgets[i] = new GenericListWidget(this);
    }

    changeStartupProject(m_sessionManager->startupProject());
    if (m_sessionManager->startupProject())
        activeTargetChanged(m_sessionManager->startupProject()->activeTarget());

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    connect(m_summaryLabel, SIGNAL(linkActivated(QString)),
            this, SLOT(switchToProjectsMode()));

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    connect(m_sessionManager, SIGNAL(startupProjectChanged(ProjectExplorer::Project*)),
            this, SLOT(changeStartupProject(ProjectExplorer::Project*)));

    connect(m_sessionManager, SIGNAL(projectAdded(ProjectExplorer::Project*)),
            this, SLOT(projectAdded(ProjectExplorer::Project*)));
    connect(m_sessionManager, SIGNAL(projectRemoved(ProjectExplorer::Project*)),
            this, SLOT(projectRemoved(ProjectExplorer::Project*)));
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    connect(m_sessionManager, SIGNAL(projectDisplayNameChanged(ProjectExplorer::Project*)),
            this, SLOT(updateActionAndSummary()));
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    // for icon changes:
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    connect(ProjectExplorer::KitManager::instance(), SIGNAL(kitUpdated(ProjectExplorer::Kit*)),
            this, SLOT(kitChanged(ProjectExplorer::Kit*)));
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    connect(m_listWidgets[TARGET], SIGNAL(changeActiveProjectConfiguration(ProjectExplorer::ProjectConfiguration*)),
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            this, SLOT(setActiveTarget(ProjectExplorer::ProjectConfiguration*)));
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    connect(m_listWidgets[BUILD], SIGNAL(changeActiveProjectConfiguration(ProjectExplorer::ProjectConfiguration*)),
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            this, SLOT(setActiveBuildConfiguration(ProjectExplorer::ProjectConfiguration*)));
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    connect(m_listWidgets[DEPLOY], SIGNAL(changeActiveProjectConfiguration(ProjectExplorer::ProjectConfiguration*)),
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            this, SLOT(setActiveDeployConfiguration(ProjectExplorer::ProjectConfiguration*)));
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    connect(m_listWidgets[RUN], SIGNAL(changeActiveProjectConfiguration(ProjectExplorer::ProjectConfiguration*)),
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            this, SLOT(setActiveRunConfiguration(ProjectExplorer::ProjectConfiguration*)));
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}
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bool MiniProjectTargetSelector::event(QEvent *event)
{
    if (event->type() != QEvent::LayoutRequest)
        return QWidget::event(event);
    doLayout(true);
    return true;
}

class IndexSorter
{
public:
    enum SortOrder { Less = 0, Greater = 1};

    IndexSorter(QVector<int> result, SortOrder order)
        : m_result(result), m_order(order)
    { }

    bool operator()(int i, int j)
    { return (m_result[i] < m_result[j]) ^ bool(m_order); }

private:
    QVector<int> m_result;
    SortOrder m_order;
};

// does some fancy calculations to ensure proper widths for the list widgets
QVector<int> MiniProjectTargetSelector::listWidgetWidths(int minSize, int maxSize)
{
    QVector<int> result;
    result.resize(LAST);
    if (m_projectListWidget->isVisibleTo(this))
        result[PROJECT] = m_projectListWidget->optimalWidth();
    else
        result[PROJECT] = -1;

    for (int i = TARGET; i < LAST; ++i) {
        if (m_listWidgets[i]->isVisibleTo(this))
            result[i] = m_listWidgets[i]->optimalWidth();
        else
            result[i] = -1;
    }

    int totalWidth = 0;
    // Adjust to minimum width of title
    for (int i = PROJECT; i < LAST; ++i) {
        if (result[i] != -1) {
            // We want at least 100 pixels per column
            int width = qMax(m_titleWidgets[i]->sizeHint().width(), 100);
            if (result[i] < width)
                result[i] = width;
            totalWidth += result[i];
        }
    }

    if (totalWidth == 0) // All hidden
        return result;

    bool tooSmall;
    if (totalWidth < minSize)
        tooSmall = true;
    else if (totalWidth > maxSize)
        tooSmall = false;
    else
        return result;

    int widthToDistribute = tooSmall ? (minSize - totalWidth)
                                     : (totalWidth - maxSize);
    QVector<int> indexes;
    indexes.reserve(LAST);
    for (int i = PROJECT; i < LAST; ++i)
        if (result[i] != -1)
            indexes.append(i);

    IndexSorter indexSorter(result, tooSmall ? IndexSorter::Less : IndexSorter::Greater);
    qSort(indexes.begin(), indexes.end(), indexSorter);

    int i = 0;
    int first = result[indexes.first()]; // biggest or smallest

    // we resize the biggest columns until they are the same size as the second biggest
    // since it looks prettiest if all the columns are the same width
    while (true) {
        for (; i < indexes.size(); ++i) {
            if (result[indexes[i]] != first)
                break;
        }
        int next = tooSmall ? INT_MAX : 0;
        if (i < indexes.size())
            next = result[indexes[i]];

        int delta;
        if (tooSmall)
            delta = qMin(next - first, widthToDistribute / i);
        else
            delta = qMin(first - next, widthToDistribute / i);

        if (delta == 0)
            return result;

        if (tooSmall) {
            for (int j = 0; j < i; ++j)
                result[indexes[j]] += delta;
        } else {
            for (int j = 0; j < i; ++j)
                result[indexes[j]] -= delta;
        }

        widthToDistribute -= delta * i;
        if (widthToDistribute == 0)
            return result;

        first = result[indexes.first()];
        i = 0; // TODO can we do better?
    }
}

void MiniProjectTargetSelector::doLayout(bool keepSize)
{
    // An unconfigured project shows empty build/deploy/run sections
    // if there's a configured project in the seesion
    // that could be improved
    static QStatusBar *statusBar = Core::ICore::statusBar();
    static QWidget *actionBar = Core::ICore::mainWindow()->findChild<QWidget*>(QLatin1String("actionbar"));
    Q_ASSERT(actionBar);

    // 1. Calculate the summary label height
    int summaryLabelY = 1;
    int summaryLabelHeight = 0;
    int oldSummaryLabelHeight = m_summaryLabel->height();
    bool onlySummary = false;
    // Count the number of lines
    int visibleLineCount = m_projectListWidget->isVisibleTo(this) ? 0 : 1;
    for (int i = TARGET; i < LAST; ++i)
        visibleLineCount += m_listWidgets[i]->isVisibleTo(this) ? 0 : 1;

    if (visibleLineCount == LAST) {
        summaryLabelHeight = visibleLineCount * QFontMetrics(m_summaryLabel->font()).height()
                + m_summaryLabel->margin() *2;
        onlySummary = true;
    } else {
        if (visibleLineCount < 3) {
            foreach (Project *p, m_sessionManager->projects()) {
                if (p->needsConfiguration()) {
                    visibleLineCount = 3;
                    break;
                }
            }
        }
        if (visibleLineCount)
            summaryLabelHeight = visibleLineCount * QFontMetrics(m_summaryLabel->font()).height()
                    + m_summaryLabel->margin() *2;
    }

    if (keepSize && oldSummaryLabelHeight > summaryLabelHeight)
        summaryLabelHeight = oldSummaryLabelHeight;

    m_summaryLabel->move(0, summaryLabelY);

    // Height to be aligned with side bar button
    int alignedWithActionHeight = actionBar->height() - statusBar->height();
    int bottomMargin = 9;
    int totalHeight = 0;

    if (!onlySummary) {
        // list widget heigth
        int maxItemCount = m_projectListWidget->maxCount();
        for (int i = TARGET; i < LAST; ++i)
            maxItemCount = qMax(maxItemCount, m_listWidgets[i]->maxCount());

        int titleWidgetsHeight = m_titleWidgets.first()->height();
        if (keepSize) {
            totalHeight = height();
        } else {
            // Clamp the size of the listwidgets to be
            // at least as high as the the sidebar button
            // and at most twice as high
            totalHeight = summaryLabelHeight + qBound(alignedWithActionHeight,
                                                      maxItemCount * 30 + bottomMargin + titleWidgetsHeight,
                                                      alignedWithActionHeight * 2);
        }

        int titleY = summaryLabelY + summaryLabelHeight;
        int listY = titleY + titleWidgetsHeight;
        int listHeight = totalHeight - bottomMargin - listY + 1;

        // list widget widths
        int minWidth = qMax(m_summaryLabel->sizeHint().width(), 250);
        if (keepSize) {
            // Do not make the widget smaller then it was before
            int oldTotalListWidgetWidth = m_projectListWidget->isVisibleTo(this) ?
                    m_projectListWidget->width() : 0;
            for (int i = TARGET; i < LAST; ++i)
                oldTotalListWidgetWidth += m_listWidgets[i]->width();
            minWidth = qMax(minWidth, oldTotalListWidgetWidth);
        }

        QVector<int> widths = listWidgetWidths(minWidth, 1000);
        int x = 0;
        for (int i = PROJECT; i < LAST; ++i) {
            int optimalWidth = widths[i];
            if (i == PROJECT) {
                m_projectListWidget->resize(optimalWidth, listHeight);
                m_projectListWidget->move(x, listY);
            } else {
                m_listWidgets[i]->resize(optimalWidth, listHeight);
                m_listWidgets[i]->move(x, listY);
            }
            m_titleWidgets[i]->resize(optimalWidth, titleWidgetsHeight);
            m_titleWidgets[i]->move(x, titleY);
            x += optimalWidth + 1; //1 extra pixel for the separators or the right border
        }

        m_summaryLabel->resize(x - 1, summaryLabelHeight);
        setFixedSize(x, totalHeight);
    } else {
        if (keepSize)
            totalHeight = height();
        else
            totalHeight = qMax(summaryLabelHeight + bottomMargin, alignedWithActionHeight);
        m_summaryLabel->resize(m_summaryLabel->sizeHint().width(), totalHeight - bottomMargin);
        setFixedSize(m_summaryLabel->width() + 1, totalHeight); //1 extra pixel for the border
    }

    if (isVisibleTo(parentWidget())) {
        QPoint moveTo = statusBar->mapToGlobal(QPoint(0,0));
        moveTo -= QPoint(0, totalHeight);
        move(moveTo);
    }
}

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void MiniProjectTargetSelector::setActiveTarget(ProjectExplorer::ProjectConfiguration *pc)
{
    m_project->setActiveTarget(static_cast<Target *>(pc));
}
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void MiniProjectTargetSelector::setActiveBuildConfiguration(ProjectExplorer::ProjectConfiguration *pc)
{
    m_target->setActiveBuildConfiguration(static_cast<BuildConfiguration *>(pc));
}
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void MiniProjectTargetSelector::setActiveDeployConfiguration(ProjectExplorer::ProjectConfiguration *pc)
{
    m_target->setActiveDeployConfiguration(static_cast<DeployConfiguration *>(pc));
}

void MiniProjectTargetSelector::setActiveRunConfiguration(ProjectExplorer::ProjectConfiguration *pc)
{
    m_target->setActiveRunConfiguration(static_cast<RunConfiguration *>(pc));
}
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void MiniProjectTargetSelector::projectAdded(ProjectExplorer::Project *project)
{
    connect(project, SIGNAL(addedTarget(ProjectExplorer::Target*)),
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            this, SLOT(slotAddedTarget(ProjectExplorer::Target*)));
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    connect(project, SIGNAL(removedTarget(ProjectExplorer::Target*)),
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            this, SLOT(slotRemovedTarget(ProjectExplorer::Target*)));
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    foreach (Target *t, project->targets())
        addedTarget(t);
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    updateProjectListVisible();
    updateTargetListVisible();
    updateBuildListVisible();
    updateDeployListVisible();
    updateRunListVisible();
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}

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void MiniProjectTargetSelector::projectRemoved(ProjectExplorer::Project *project)
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{
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    disconnect(project, SIGNAL(addedTarget(ProjectExplorer::Target*)),
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               this, SLOT(slotAddedTarget(ProjectExplorer::Target*)));
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    disconnect(project, SIGNAL(removedTarget(ProjectExplorer::Target*)),
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               this, SLOT(slotRemovedTarget(ProjectExplorer::Target*)));
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    foreach (Target *t, project->targets())
        removedTarget(t);
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    updateProjectListVisible();
    updateTargetListVisible();
    updateBuildListVisible();
    updateDeployListVisible();
    updateRunListVisible();
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}

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void MiniProjectTargetSelector::addedTarget(ProjectExplorer::Target *target)
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{
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    connect(target, SIGNAL(addedBuildConfiguration(ProjectExplorer::BuildConfiguration*)),
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            this, SLOT(slotAddedBuildConfiguration(ProjectExplorer::BuildConfiguration*)));
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    connect(target, SIGNAL(removedBuildConfiguration(ProjectExplorer::BuildConfiguration*)),
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            this, SLOT(slotRemovedBuildConfiguration(ProjectExplorer::BuildConfiguration*)));
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    connect(target, SIGNAL(addedDeployConfiguration(ProjectExplorer::DeployConfiguration*)),
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            this, SLOT(slotAddedDeployConfiguration(ProjectExplorer::DeployConfiguration*)));
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    connect(target, SIGNAL(removedDeployConfiguration(ProjectExplorer::DeployConfiguration*)),
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            this, SLOT(slotRemovedDeployConfiguration(ProjectExplorer::DeployConfiguration*)));
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    connect(target, SIGNAL(addedRunConfiguration(ProjectExplorer::RunConfiguration*)),
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            this, SLOT(slotAddedRunConfiguration(ProjectExplorer::RunConfiguration*)));
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    connect(target, SIGNAL(removedRunConfiguration(ProjectExplorer::RunConfiguration*)),
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            this, SLOT(slotRemovedRunConfiguration(ProjectExplorer::RunConfiguration*)));
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    if (target->project() == m_project)
        m_listWidgets[TARGET]->addProjectConfiguration(target);

    foreach (BuildConfiguration *bc, target->buildConfigurations())
        addedBuildConfiguration(bc);
    foreach (DeployConfiguration *dc, target->deployConfigurations())
        addedDeployConfiguration(dc);
    foreach (RunConfiguration *rc, target->runConfigurations())
        addedRunConfiguration(rc);
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}
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void MiniProjectTargetSelector::slotAddedTarget(ProjectExplorer::Target *target)
{
    addedTarget(target);
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    updateTargetListVisible();
    updateBuildListVisible();
    updateDeployListVisible();
    updateRunListVisible();
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}

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void MiniProjectTargetSelector::removedTarget(ProjectExplorer::Target *target)
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{
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    disconnect(target, SIGNAL(addedBuildConfiguration(ProjectExplorer::BuildConfiguration*)),
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               this, SLOT(slotAddedBuildConfiguration(ProjectExplorer::BuildConfiguration*)));
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    disconnect(target, SIGNAL(removedBuildConfiguration(ProjectExplorer::BuildConfiguration*)),
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               this, SLOT(slotRemovedBuildConfiguration(ProjectExplorer::BuildConfiguration*)));
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    disconnect(target, SIGNAL(addedDeployConfiguration(ProjectExplorer::DeployConfiguration*)),
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               this, SLOT(slotAddedDeployConfiguration(ProjectExplorer::DeployConfiguration*)));
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    disconnect(target, SIGNAL(removedDeployConfiguration(ProjectExplorer::DeployConfiguration*)),
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               this, SLOT(slotRemovedDeployConfiguration(ProjectExplorer::DeployConfiguration*)));
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    disconnect(target, SIGNAL(addedRunConfiguration(ProjectExplorer::RunConfiguration*)),
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               this, SLOT(slotAddedRunConfiguration(ProjectExplorer::RunConfiguration*)));
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    disconnect(target, SIGNAL(removedRunConfiguration(ProjectExplorer::RunConfiguration*)),
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               this, SLOT(slotRemovedRunConfiguration(ProjectExplorer::RunConfiguration*)));
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    if (target->project() == m_project)
        m_listWidgets[TARGET]->removeProjectConfiguration(target);

    foreach (BuildConfiguration *bc, target->buildConfigurations())
        removedBuildConfiguration(bc);
    foreach (DeployConfiguration *dc, target->deployConfigurations())
        removedDeployConfiguration(dc);
    foreach (RunConfiguration *rc, target->runConfigurations())
        removedRunConfiguration(rc);
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}

void MiniProjectTargetSelector::slotRemovedTarget(ProjectExplorer::Target *target)
{
    removedTarget(target);
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    updateTargetListVisible();
    updateBuildListVisible();
    updateDeployListVisible();
    updateRunListVisible();
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}

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void MiniProjectTargetSelector::addedBuildConfiguration(ProjectExplorer::BuildConfiguration *bc)
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{
    if (bc->target() == m_target)
        m_listWidgets[BUILD]->addProjectConfiguration(bc);
}

void MiniProjectTargetSelector::slotAddedBuildConfiguration(ProjectExplorer::BuildConfiguration *bc)
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{
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    if (bc->target() == m_target)
        m_listWidgets[BUILD]->addProjectConfiguration(bc);
    updateBuildListVisible();
}
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void MiniProjectTargetSelector::removedBuildConfiguration(ProjectExplorer::BuildConfiguration *bc)
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{
    if (bc->target() == m_target)
        m_listWidgets[BUILD]->removeProjectConfiguration(bc);
}

void MiniProjectTargetSelector::slotRemovedBuildConfiguration(ProjectExplorer::BuildConfiguration *bc)
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{
    if (bc->target() == m_target)
        m_listWidgets[BUILD]->removeProjectConfiguration(bc);
    updateBuildListVisible();
}
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void MiniProjectTargetSelector::addedDeployConfiguration(ProjectExplorer::DeployConfiguration *dc)
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{
    if (dc->target() == m_target)
        m_listWidgets[DEPLOY]->addProjectConfiguration(dc);
}

void MiniProjectTargetSelector::slotAddedDeployConfiguration(ProjectExplorer::DeployConfiguration *dc)
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{
    if (dc->target() == m_target)
        m_listWidgets[DEPLOY]->addProjectConfiguration(dc);
    updateDeployListVisible();
}
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void MiniProjectTargetSelector::removedDeployConfiguration(ProjectExplorer::DeployConfiguration *dc)
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{
    if (dc->target() == m_target)
        m_listWidgets[DEPLOY]->removeProjectConfiguration(dc);
}

void MiniProjectTargetSelector::slotRemovedDeployConfiguration(ProjectExplorer::DeployConfiguration *dc)
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{
    if (dc->target() == m_target)
        m_listWidgets[DEPLOY]->removeProjectConfiguration(dc);
    updateDeployListVisible();
}
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void MiniProjectTargetSelector::addedRunConfiguration(ProjectExplorer::RunConfiguration *rc)
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{
    if (rc->target() == m_target)
        m_listWidgets[RUN]->addProjectConfiguration(rc);
}

void MiniProjectTargetSelector::slotAddedRunConfiguration(ProjectExplorer::RunConfiguration *rc)
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{
    if (rc->target() == m_target)
        m_listWidgets[RUN]->addProjectConfiguration(rc);
    updateRunListVisible();
}
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void MiniProjectTargetSelector::removedRunConfiguration(ProjectExplorer::RunConfiguration *rc)
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{
    if (rc->target() == m_target)
        m_listWidgets[RUN]->removeProjectConfiguration(rc);
}

void MiniProjectTargetSelector::slotRemovedRunConfiguration(ProjectExplorer::RunConfiguration *rc)
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{
    if (rc->target() == m_target)
        m_listWidgets[RUN]->removeProjectConfiguration(rc);
    updateRunListVisible();
}
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void MiniProjectTargetSelector::updateProjectListVisible()
{
    bool visible = m_sessionManager->projects().size() > 1;
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    m_projectListWidget->setVisible(visible);
    m_projectListWidget->setMaxCount(m_sessionManager->projects().size());
    m_titleWidgets[PROJECT]->setVisible(visible);
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    updateSummary();
}
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void MiniProjectTargetSelector::updateTargetListVisible()
{
    int maxCount = 0;
    foreach (Project *p, m_sessionManager->projects())
        maxCount = qMax(p->targets().size(), maxCount);

    bool visible = maxCount > 1;
    m_listWidgets[TARGET]->setVisible(visible);
    m_listWidgets[TARGET]->setMaxCount(maxCount);
    m_titleWidgets[TARGET]->setVisible(visible);
    updateSummary();
}
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void MiniProjectTargetSelector::updateBuildListVisible()
{
    int maxCount = 0;
    foreach (Project *p, m_sessionManager->projects())
        foreach (Target *t, p->targets())
            maxCount = qMax(t->buildConfigurations().size(), maxCount);

    bool visible = maxCount > 1;
    m_listWidgets[BUILD]->setVisible(visible);
    m_listWidgets[BUILD]->setMaxCount(maxCount);
    m_titleWidgets[BUILD]->setVisible(visible);
    updateSummary();
}