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Improve memory management in project window.

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* Panel struct does no longer take ownership of its widget.
 * Panels consitently delete their widget in their destructor.

Reviewed-By: dt
This commit is contained in:
Tobias Hunger
2009-11-25 15:18:51 +01:00
parent 97ad692684
commit fbcd670854
6 changed files with 55 additions and 68 deletions
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105
src/plugins/projectexplorer/projectwindow.cpp
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@@ -89,6 +89,21 @@ public:
}
};
///
// PanelsWidget::Panel
///
PanelsWidget::Panel::Panel(QWidget * w) :
spacer(0), nameLabel(0), panelWidget(w), marginLayout(0)
{ }
PanelsWidget::Panel::~Panel()
{
delete spacer;
delete nameLabel;
delete marginLayout;
}
///
// PanelsWidget
///
@@ -123,76 +138,44 @@ PanelsWidget::~PanelsWidget()
void PanelsWidget::addWidget(QWidget *widget)
{
Panel p;
p.spacer = 0;
p.nameLabel = 0;
p.panelWidget = widget;
p.marginLayout = 0;
Panel *p = new Panel(widget);
m_layout->insertWidget(m_layout->count() - 1, widget);
m_panels.append(p);
}
void PanelsWidget::addWidget(const QString &name, QWidget *widget)
{
Panel p;
p.spacer = new QSpacerItem(1, 10, QSizePolicy::Fixed, QSizePolicy::Fixed);
p.nameLabel = new QLabel(this);
p.nameLabel->setText(name);
QFont f = p.nameLabel->font();
Panel *p = new Panel(widget);
p->spacer = new QSpacerItem(1, 10, QSizePolicy::Fixed, QSizePolicy::Fixed);
p->nameLabel = new QLabel(this);
p->nameLabel->setText(name);
QFont f = p->nameLabel->font();
f.setBold(true);
f.setPointSizeF(f.pointSizeF() * 1.2);
p.nameLabel->setFont(f);
p->nameLabel->setFont(f);
p.panelWidget = widget;
m_layout->insertSpacerItem(m_layout->count() - 1, p.spacer);
m_layout->insertWidget(m_layout->count() - 1, p.nameLabel);
m_layout->insertSpacerItem(m_layout->count() - 1, p->spacer);
m_layout->insertWidget(m_layout->count() - 1, p->nameLabel);
QHBoxLayout *hboxLayout = new QHBoxLayout();
hboxLayout->setContentsMargins(20, 0, 0, 0);
hboxLayout->addWidget(p.panelWidget);
p.marginLayout = hboxLayout;
hboxLayout->addWidget(p->panelWidget);
p->marginLayout = hboxLayout;
m_layout->insertLayout(m_layout->count() -1, hboxLayout);
m_panels.append(p);
}
void PanelsWidget::clear()
{
foreach(Panel p, m_panels) {
if (p.spacer) {
m_layout->removeItem(p.spacer);
delete p.spacer;
}
delete p.nameLabel;
delete p.panelWidget;
delete p.marginLayout;
foreach(Panel * p, m_panels) {
if (p->spacer)
m_layout->removeItem(p->spacer);
if (p->nameLabel)
m_layout->removeWidget(p->nameLabel);
delete p;
}
m_panels.clear();
}
void PanelsWidget::removeWidget(QWidget *widget)
{
for(int i=0; i<m_panels.count(); ++i) {
const Panel & p = m_panels.at(i);
if (p.panelWidget == widget) {
if (p.spacer) {
m_layout->removeItem(p.spacer);
delete p.spacer;
}
if (p.marginLayout)
p.marginLayout->removeWidget(p.panelWidget);
else
m_layout->removeWidget(p.panelWidget);
delete p.nameLabel;
delete p.marginLayout;
m_panels.removeAt(i);
break;
}
}
}
////
// ActiveConfigurationWidget
////
@@ -662,11 +645,11 @@ ProjectWindow::ProjectWindow(QWidget *parent)
m_panelsWidget = new PanelsWidget(this);
// active configuration widget:
m_activeConfigurationWidget = new ActiveConfigurationWidget(m_panelsWidget);
m_panelsWidget->addWidget(tr("Active Build and Run Configurations"), m_activeConfigurationWidget);
m_spacerBetween = new QWidget(this);
// spacer with line:
m_spacerBetween = new QWidget(m_panelsWidget);
QVBoxLayout *vbox = new QVBoxLayout(m_spacerBetween);
vbox->setMargin(0);
m_spacerBetween->setLayout(vbox);
@@ -674,8 +657,7 @@ ProjectWindow::ProjectWindow(QWidget *parent)
vbox->addWidget(new OnePixelBlackLine(m_spacerBetween));
vbox->addSpacerItem(new QSpacerItem(10, 15, QSizePolicy::Fixed, QSizePolicy::Fixed));
m_panelsWidget->addWidget(m_spacerBetween);
// project chooser:
m_projectChooser = new QWidget(m_panelsWidget);
QHBoxLayout *hbox = new QHBoxLayout(m_projectChooser);
hbox->setMargin(0);
@@ -692,8 +674,7 @@ ProjectWindow::ProjectWindow(QWidget *parent)
label, SLOT(setProject(ProjectExplorer::Project*)));
hbox->addWidget(changeProject);
m_panelsWidget->addWidget(m_projectChooser);
// Overall layout:
QVBoxLayout *topLevelLayout = new QVBoxLayout(this);
topLevelLayout->setMargin(0);
topLevelLayout->setSpacing(0);
@@ -727,6 +708,9 @@ ProjectWindow::ProjectWindow(QWidget *parent)
this, SLOT(projectAdded()));
connect(session, SIGNAL(projectRemoved(ProjectExplorer::Project*)),
this, SLOT(projectRemoved()));
// Update properties to empty project for now:
showProperties(0);
}
ProjectWindow::~ProjectWindow()
@@ -764,20 +748,19 @@ void ProjectWindow::showProperties(Project *project)
if (debug)
qDebug() << "ProjectWindow - showProperties called";
m_panelsWidget->removeWidget(m_activeConfigurationWidget);
m_panelsWidget->removeWidget(m_spacerBetween);
m_panelsWidget->removeWidget(m_projectChooser);
// Remove the tabs from the tab widget first
// Remove all existing panels:
m_panelsWidget->clear();
// delete custom panels:
qDeleteAll(m_panels);
m_panels.clear();
// Set up our default panels again:
m_panelsWidget->addWidget(tr("Active Build and Run Configurations"), m_activeConfigurationWidget);
m_panelsWidget->addWidget(m_spacerBetween);
m_panelsWidget->addWidget(m_projectChooser);
// Set up custom panels again:
if (project) {
QList<IPanelFactory *> pages =
ExtensionSystem::PluginManager::instance()->getObjects<IPanelFactory>();