Continues migration with DDS, Common

Lts/Common/LtsWidgets/lts_dialog_helper.cpp

@@ -0,0 +1,172 @@
+
+
+
+#include "lts_dialog_helper.h"
+#include "lts_dialog.h"
+#include "ui_lts_dialog_helper.h"
+
+#include <QScrollArea>
+#include <QScrollBar>
+#include <QDebug>
+
+
+namespace LtsWidgets
+{
+class LDHScrollBar : public QScrollBar
+{
+  Q_OBJECT
+public:
+  using QScrollBar::QScrollBar;
+
+  void showEvent(QShowEvent *e) override
+  {
+    QScrollBar::showEvent(e);
+    emit scrollbarVisiblityChanged(true);
+  }
+  void hideEvent(QHideEvent *e) override
+  {
+    QScrollBar::hideEvent(e);
+    emit scrollbarVisiblityChanged(false);
+  }
+Q_SIGNALS:
+  void scrollbarVisiblityChanged(bool visible);
+};
+
+
+LtsDialogHelper::LtsDialogHelper(QWidget *parent)
+  : QWidget(parent)
+  , m_ui(new Ui::LtsDialogHelper())
+  , m_dialog(nullptr)
+{
+  m_ui->setupUi(this);
+  setAttribute(Qt::WA_DeleteOnClose);
+  auto hScroll = new LDHScrollBar(this);
+  auto vScroll = new LDHScrollBar(this);
+  m_ui->scrollArea->setHorizontalScrollBar(hScroll);
+  m_ui->scrollArea->setVerticalScrollBar(vScroll);
+  connect(hScroll, &LDHScrollBar::scrollbarVisiblityChanged,
+          this, &LtsDialogHelper::onHScrollBarVisibilityChanged);
+  connect(vScroll, &LDHScrollBar::scrollbarVisiblityChanged,
+          this, &LtsDialogHelper::onVScrollBarVisibilityChanged);
+
+#ifdef TABLET_MODE
+  QList<QWidget *> scrollWidgets = findChildren<QWidget *>();
+
+  for (auto i = scrollWidgets.begin(); i != scrollWidgets.end(); ++i)
+  {
+    QWidget *widget = *i;
+
+    QVariant isConst = widget->property("const");
+    if (isConst.isValid() && isConst.toBool())
+      continue;
+
+    LtsWidgets::addTouchScroll(widget);
+  }
+#endif
+    m_ui->buttonBox->setMinimumHeight(m_ui->buttonBox->sizeHint().height());
+}
+
+
+LtsDialogHelper::~LtsDialogHelper()
+{
+  m_ui->scrollArea->horizontalScrollBar()->disconnect(this);
+  m_ui->scrollArea->verticalScrollBar()->disconnect(this);
+  delete m_ui;
+}
+
+
+LtsDialogButtonBox *LtsDialogHelper::getButtonBox()
+{
+  return m_ui->buttonBox;
+}
+
+
+void LtsDialogHelper::setDialog(LtsDialog *dialog)
+{
+  if (m_dialog != nullptr) 
+    return;
+
+  m_dialog = dialog;
+  m_dialog->setContentsMargins(QMargins());
+  if (m_dialog->layout())
+    m_dialog->layout()->setContentsMargins(QMargins());
+  m_ui->scrollArea->setWidget(m_dialog);
+
+  
+  {
+    connect(dialog, &LtsDialog::destroyed, this, [this]()
+    {
+      m_dialog = nullptr;
+      deleteLater();
+    });
+  }
+
+
+
+}
+
+LtsDialog *LtsDialogHelper::getDialog()
+{
+  return m_dialog;
+}
+
+void LtsDialogHelper::retranslate()
+{
+  if (m_dialog == nullptr)
+    return;
+
+  m_dialog->setContentsMargins(QMargins());
+  if (m_dialog->layout())
+    m_dialog->layout()->setContentsMargins(QMargins());
+
+  bool oldChangesFlag = m_dialog->m_changesMade;
+
+  
+
+  m_dialog->retranslate();
+
+  if (oldChangesFlag)
+    m_dialog->slotChangesMade();
+  else
+    m_dialog->resetChanges();
+}
+
+
+void LtsDialogHelper::resizeEvent(QResizeEvent *e)
+{
+  emit signalSizeChanged(e->size());
+}
+
+
+void LtsDialogHelper::changeEvent(QEvent *e)
+{
+  QWidget::changeEvent(e);
+  if (e->type() == QEvent::LanguageChange)
+    retranslate();
+}
+
+
+void LtsDialogHelper::onHScrollBarVisibilityChanged(bool visible)
+{
+  if (m_dialog == nullptr || !m_dialog->layout())
+    return;
+
+  QMargins m = m_dialog->layout()->contentsMargins();
+  m.setBottom(visible ? -1 : 0);
+  m_dialog->layout()->setContentsMargins(m);
+}
+
+
+void LtsDialogHelper::onVScrollBarVisibilityChanged(bool visible)
+{
+  if (m_dialog == nullptr || !m_dialog->layout())
+    return;
+
+  QMargins m = m_dialog->layout()->contentsMargins();
+  m.setRight(visible ? -1 : 0);
+  m_dialog->layout()->setContentsMargins(m);
+}
+
+}
+
+#include "lts_dialog_helper.moc"