qt-creator/src/plugins/debugger/threadswindow.cpp

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** Foundation and appearing in the file LICENSE.LGPL included in the
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#include "threadswindow.h"

#include "threadshandler.h"
#include "debuggeractions.h"
#include "debuggerconstants.h"
#include "debuggercore.h"
#include "debuggerengine.h"

#include <utils/savedaction.h>

#include <QtCore/QDebug>
#include <QtGui/QContextMenuEvent>
#include <QtGui/QHeaderView>
#include <QtGui/QMenu>

namespace Debugger {
namespace Internal {

ThreadsWindow::ThreadsWindow(QWidget *parent)
    : QTreeView(parent), m_alwaysResizeColumnsToContents(false)
{
    QAction *act = debuggerCore()->action(UseAlternatingRowColors);

    setAttribute(Qt::WA_MacShowFocusRect, false);
    setFrameStyle(QFrame::NoFrame);
    setWindowTitle(tr("Thread"));
    setAlternatingRowColors(act->isChecked());
    setRootIsDecorated(false);
    setIconSize(QSize(10, 10));

    header()->setDefaultAlignment(Qt::AlignLeft);

    connect(this, SIGNAL(activated(QModelIndex)),
        this, SLOT(rowActivated(QModelIndex)));
    connect(act, SIGNAL(toggled(bool)),
        this, SLOT(setAlternatingRowColorsHelper(bool)));
}

void ThreadsWindow::rowActivated(const QModelIndex &index)
{
    debuggerCore()->currentEngine()->selectThread(index.row());
}

void ThreadsWindow::setModel(QAbstractItemModel *model)
{
    QTreeView::setModel(model);
    resizeColumnToContents(0); // Id
    resizeColumnToContents(4); // Line
    resizeColumnToContents(6); // Name
}

void ThreadsWindow::contextMenuEvent(QContextMenuEvent *ev)
{
    QMenu menu;
    QAction *adjustColumnAction =
        menu.addAction(tr("Adjust Column Widths to Contents"));
    QAction *alwaysAdjustColumnAction =
        menu.addAction(tr("Always Adjust Column Widths to Contents"));
    alwaysAdjustColumnAction->setCheckable(true);
    alwaysAdjustColumnAction->setChecked(m_alwaysResizeColumnsToContents);
    menu.addSeparator();

    menu.addAction(debuggerCore()->action(SettingsDialog));

    QAction *act = menu.exec(ev->globalPos());
    if (!act)
        return;

    if (act == adjustColumnAction) {
        resizeColumnsToContents();
    } else if (act == alwaysAdjustColumnAction) {
        setAlwaysResizeColumnsToContents(!m_alwaysResizeColumnsToContents);
    }
}

void ThreadsWindow::resizeColumnsToContents()
{
    const int columnCount = model()->columnCount();
    for (int c = 0 ; c < columnCount; c++)
        resizeColumnToContents(c);
}

void ThreadsWindow::setAlwaysResizeColumnsToContents(bool on)
{
    m_alwaysResizeColumnsToContents = on;
    QHeaderView::ResizeMode mode = on
        ? QHeaderView::ResizeToContents : QHeaderView::Interactive;
    header()->setResizeMode(0, mode);
}

} // namespace Internal
} // namespace Debugger