Show build and search progress detail also in status bar.

A widget specifically layouted for the status bar can now be registered
with the progress information. The newest one is made visible next to
the summary progress bar. If a newer one vanishes, the older becomes
visible again.

Change-Id: Iedf0e88a542ea442ae86fa51c792c68fbc6eef3c
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

4 files changed, 75 insertions, 6 deletions

diff --git a/src/plugins/coreplugin/progressmanager/futureprogress.cpp b/src/plugins/coreplugin/progressmanager/futureprogress.cpp
index a064402173..917c3b3ec5 100644
--- a/src/plugins/coreplugin/progressmanager/futureprogress.cpp
+++ b/src/plugins/coreplugin/progressmanager/futureprogress.cpp
@@ -65,6 +65,7 @@ public:
     Internal::ProgressBar *m_progress;
     QWidget *m_widget;
     QHBoxLayout *m_widgetLayout;
+    QWidget *m_statusBarWidget;
     QString m_type;
     FutureProgress::KeepOnFinishType m_keep;
     bool m_waitingForUserInteraction;
@@ -75,6 +76,7 @@ public:
 
 FutureProgressPrivate::FutureProgressPrivate(FutureProgress *q) :
     m_progress(new Internal::ProgressBar), m_widget(0), m_widgetLayout(new QHBoxLayout),
+    m_statusBarWidget(0),
     m_keep(FutureProgress::HideOnFinish), m_waitingForUserInteraction(false),
     m_q(q), m_fadeStarting(false), m_isFading(false)
 {
@@ -341,6 +343,20 @@ QWidget *FutureProgress::widget() const
     return d->m_widget;
 }
 
+void FutureProgress::setStatusBarWidget(QWidget *widget)
+{
+    if (widget == d->m_statusBarWidget)
+        return;
+    delete d->m_statusBarWidget;
+    d->m_statusBarWidget = widget;
+    emit statusBarWidgetChanged();
+}
+
+QWidget *FutureProgress::statusBarWidget() const
+{
+    return d->m_statusBarWidget;
+}
+
 bool FutureProgress::isFading() const
 {
     return d->m_isFading;
diff --git a/src/plugins/coreplugin/progressmanager/futureprogress.h b/src/plugins/coreplugin/progressmanager/futureprogress.h
index cbc3a25ba3..4cf58b203a 100644
--- a/src/plugins/coreplugin/progressmanager/futureprogress.h
+++ b/src/plugins/coreplugin/progressmanager/futureprogress.h
@@ -71,6 +71,9 @@ public:
     void setWidget(QWidget *widget);
     QWidget *widget() const;
 
+    void setStatusBarWidget(QWidget *widget);
+    QWidget *statusBarWidget() const;
+
     bool isFading() const;
 
     QSize sizeHint() const;
@@ -83,6 +86,8 @@ signals:
     void hasErrorChanged();
     void fadeStarted();
 
+    void statusBarWidgetChanged();
+
 protected:
     void mousePressEvent(QMouseEvent *event);
     void paintEvent(QPaintEvent *);
diff --git a/src/plugins/coreplugin/progressmanager/progressmanager.cpp b/src/plugins/coreplugin/progressmanager/progressmanager.cpp
index 578e3cb00d..f5e401b05f 100644
--- a/src/plugins/coreplugin/progressmanager/progressmanager.cpp
+++ b/src/plugins/coreplugin/progressmanager/progressmanager.cpp
@@ -263,6 +263,7 @@ using namespace Core::Internal;
 ProgressManagerPrivate::ProgressManagerPrivate(QObject *parent)
   : ProgressManager(parent),
     m_applicationTask(0),
+    m_currentStatusDetailsWidget(0),
     m_opacityEffect(new QGraphicsOpacityEffect(this)),
     m_progressViewPinned(false),
     m_hovered(false)
@@ -290,14 +291,20 @@ void ProgressManagerPrivate::init()
     layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(0);
     m_statusBarWidget->setLayout(layout);
-    m_summaryProgressBar = new ProgressBar(m_statusBarWidget);
+    m_summaryProgressWidget = new QWidget(m_statusBarWidget);
+    m_summaryProgressWidget->setVisible(!m_progressViewPinned);
+    m_summaryProgressWidget->setGraphicsEffect(m_opacityEffect);
+    m_summaryProgressLayout = new QHBoxLayout(m_summaryProgressWidget);
+    m_summaryProgressLayout->setContentsMargins(0, 0, 0, 0);
+    m_summaryProgressLayout->setSpacing(0);
+    m_summaryProgressWidget->setLayout(m_summaryProgressLayout);
+    m_summaryProgressBar = new ProgressBar(m_summaryProgressWidget);
     m_summaryProgressBar->setMinimumWidth(70);
     m_summaryProgressBar->setTitleVisible(false);
     m_summaryProgressBar->setSeparatorVisible(false);
     m_summaryProgressBar->setCancelEnabled(false);
-    m_summaryProgressBar->setGraphicsEffect(m_opacityEffect);
-    m_summaryProgressBar->setVisible(!m_progressViewPinned);
-    layout->addWidget(m_summaryProgressBar);
+    m_summaryProgressLayout->addWidget(m_summaryProgressBar);
+    layout->addWidget(m_summaryProgressWidget);
     ToggleButton *toggleButton = new ToggleButton(m_statusBarWidget);
     layout->addWidget(toggleButton);
     m_statusBarWidgetContainer->setWidget(m_statusBarWidget);
@@ -420,6 +427,8 @@ FutureProgress *ProgressManagerPrivate::addTask(const QFuture<void> &future, con
     connect(progress, SIGNAL(hasErrorChanged()), this, SLOT(updateSummaryProgressBar()));
     connect(progress, SIGNAL(removeMe()), this, SLOT(slotRemoveTask()));
     connect(progress, SIGNAL(fadeStarted()), this, SLOT(updateSummaryProgressBar()));
+    connect(progress, SIGNAL(statusBarWidgetChanged()), this, SLOT(updateStatusDetailsWidget()));
+    updateStatusDetailsWidget();
 
     emit taskStarted(type);
     return progress;
@@ -545,6 +554,8 @@ void ProgressManagerPrivate::removeOldTasks(const QString &type, bool keepOne)
             firstFound = true;
         }
     }
+    updateSummaryProgressBar();
+    updateStatusDetailsWidget();
 }
 
 void ProgressManagerPrivate::removeOneOldTask()
@@ -578,12 +589,16 @@ void ProgressManagerPrivate::removeOneOldTask()
     // no ended process, no type with multiple processes, just remove the oldest task
     FutureProgress *task = m_taskList.takeFirst();
     deleteTask(task);
+    updateSummaryProgressBar();
+    updateStatusDetailsWidget();
 }
 
 void ProgressManagerPrivate::removeTask(FutureProgress *task)
 {
     m_taskList.removeAll(task);
     deleteTask(task);
+    updateSummaryProgressBar();
+    updateStatusDetailsWidget();
 }
 
 void ProgressManagerPrivate::deleteTask(FutureProgress *progress)
@@ -596,7 +611,7 @@ void ProgressManagerPrivate::deleteTask(FutureProgress *progress)
 void ProgressManagerPrivate::updateVisibility()
 {
     m_progressView->setVisible(m_progressViewPinned || m_hovered || m_progressView->isHovered());
-    m_summaryProgressBar->setVisible((!m_runningTasks.isEmpty() || !m_taskList.isEmpty())
+    m_summaryProgressWidget->setVisible((!m_runningTasks.isEmpty() || !m_taskList.isEmpty())
                                      && !m_progressViewPinned);
 }
 
@@ -605,9 +620,37 @@ void ProgressManagerPrivate::updateVisibilityWithDelay()
     QTimer::singleShot(150, this, SLOT(updateVisibility()));
 }
 
+void ProgressManagerPrivate::updateStatusDetailsWidget()
+{
+    QWidget *candidateWidget = 0;
+    // get newest progress with a status bar widget
+    QList<FutureProgress *>::iterator i = m_taskList.end();
+    while (i != m_taskList.begin()) {
+        --i;
+        candidateWidget = (*i)->statusBarWidget();
+        if (candidateWidget)
+            break;
+    }
+
+    if (candidateWidget == m_currentStatusDetailsWidget)
+        return;
+
+    if (m_currentStatusDetailsWidget) {
+        m_currentStatusDetailsWidget->hide();
+        m_summaryProgressLayout->removeWidget(m_currentStatusDetailsWidget);
+    }
+
+    if (candidateWidget) {
+        m_summaryProgressLayout->insertWidget(0, candidateWidget);
+        candidateWidget->show();
+    }
+
+    m_currentStatusDetailsWidget = candidateWidget;
+}
+
 void ProgressManagerPrivate::summaryProgressFinishedFading()
 {
-    m_summaryProgressBar->setVisible(false);
+    m_summaryProgressWidget->setVisible(false);
     m_opacityEffect->setOpacity(1.);
 }
 
diff --git a/src/plugins/coreplugin/progressmanager/progressmanager_p.h b/src/plugins/coreplugin/progressmanager/progressmanager_p.h
index 8c8de807f3..44b572d0f2 100644
--- a/src/plugins/coreplugin/progressmanager/progressmanager_p.h
+++ b/src/plugins/coreplugin/progressmanager/progressmanager_p.h
@@ -35,6 +35,7 @@
 #include <QFutureWatcher>
 #include <QList>
 #include <QGraphicsOpacityEffect>
+#include <QHBoxLayout>
 #include <QPointer>
 #include <QPropertyAnimation>
 #include <QToolButton>
@@ -82,6 +83,7 @@ private slots:
     void progressDetailsToggled(bool checked);
     void updateVisibility();
     void updateVisibilityWithDelay();
+    void updateStatusDetailsWidget();
 
     void slotRemoveTask();
 private:
@@ -102,6 +104,9 @@ private:
     QFutureWatcher<void> *m_applicationTask;
     Core::StatusBarWidget *m_statusBarWidgetContainer;
     QWidget *m_statusBarWidget;
+    QWidget *m_summaryProgressWidget;
+    QHBoxLayout *m_summaryProgressLayout;
+    QWidget *m_currentStatusDetailsWidget;
     ProgressBar *m_summaryProgressBar;
     QGraphicsOpacityEffect *m_opacityEffect;
     QPointer<QPropertyAnimation> m_opacityAnimation;