b2qt-flashing-wizard: Hints for users to find error messages more easily

If the image creation fails the details widget is opened and scrolled to
bottom automatically. Also the progressbar is disabled to indicate a stop.

Change-Id: I74573a2b19d915ac90a12645e3e806a979f74baf
Reviewed-by: Rainer Keller <rainer.keller@theqtcompany.com>

1 files changed, 31 insertions, 12 deletions

diff --git a/src/b2qt-flashing-wizard/progress_page.cpp b/src/b2qt-flashing-wizard/progress_page.cpp
index 567d986..d518b44 100644
--- a/src/b2qt-flashing-wizard/progress_page.cpp
+++ b/src/b2qt-flashing-wizard/progress_page.cpp
@@ -26,6 +26,7 @@
 #include <QLayout>
 #include <QProgressBar>
 #include <QPushButton>
+#include <QScrollBar>
 #include <QTextEdit>
 #include <QTimer>
 
@@ -37,13 +38,14 @@ ProgressPage::ProgressPage(QWidget *parent)
     , mTextEdit(new QTextEdit(this))
     , mToggleDetailsButton(new QPushButton(this))
     , mCopyToClipboardButton(new QPushButton(this))
+    , mProgressBar(0)
 {
     setTitle(tr("Disk Creation"));
     setSubTitle(tr("Writing the hardware platform image to the disk"));
     setLayout(new QVBoxLayout(this));
-    QProgressBar *progressBar = new QProgressBar(this);
-    progressBar->setRange(0, 0);
-    layout()->addWidget(progressBar);
+    mProgressBar = new QProgressBar(this);
+    mProgressBar->setRange(0, 0);
+    layout()->addWidget(mProgressBar);
     mProgress->setWordWrap(true);
     mProgress->setText(tr("Preparing the disk device..."));
     layout()->addWidget(mProgress);
@@ -91,6 +93,14 @@ void ProgressPage::failed(const QString &message)
 {
     mFinished = false;
     emit completeChanged();
+    showDetails();
+    mProgressBar->setEnabled(false);
+    mProgressBar->setRange(0, 100);
+    mProgressBar->setValue(100);
+    mProgressBar->setFormat("");
+
+    // Scroll to bottom
+    mTextEdit->verticalScrollBar()->setValue(mTextEdit->verticalScrollBar()->maximum());
     mProgress->setText(message);
 }
 
@@ -110,17 +120,26 @@ void ProgressPage::addDetails(QByteArray newData)
     mTextEdit->append(QString::fromLocal8Bit(newData));
 }
 
+void ProgressPage::showDetails()
+{
+    mTextEdit->show();
+    mCopyToClipboardButton->show();
+    mToggleDetailsButton->setText(tr("Hide details"));
+}
+
+void ProgressPage::hideDetails()
+{
+    mTextEdit->hide();
+    mCopyToClipboardButton->hide();
+    mToggleDetailsButton->setText(tr("Show details"));
+}
+
 void ProgressPage::toggleDetails()
 {
-    if (mTextEdit->isHidden()) {
-        mTextEdit->show();
-        mCopyToClipboardButton->show();
-        mToggleDetailsButton->setText(tr("Hide details"));
-    } else {
-        mTextEdit->hide();
-        mCopyToClipboardButton->hide();
-        mToggleDetailsButton->setText(tr("Show details"));
-    }
+    if (mTextEdit->isHidden())
+        showDetails();
+    else
+        hideDetails();
 }
 
 void ProgressPage::copyDetailsToClipboard()