Method DateRangePicker

pj_widgets/src/DateRangePicker.cpp:878–933

// ===========================================================================

DateRangePicker::DateRangePicker(QWidget* parent) : QWidget(parent) {
  auto* main_layout = new QVBoxLayout(this);
  main_layout->setContentsMargins(0, 0, 0, 0);
  // Match the host column's 2px row spacing: without this the preset-row -> date-row
  // gap uses Qt's larger default, so the spacing between the preset buttons and the
  // from/to fields reads bigger than the gaps to the header above / table below.
  main_layout->setSpacing(2);

  auto* preset_row = new QHBoxLayout;
  preset_group_ = new QButtonGroup(this);
  preset_group_->setExclusive(true);

  auto add_preset = [&](int id, const QString& text) -> QPushButton* {
    auto* btn = new QPushButton(text);
    btn->setCheckable(true);
    btn->setCursor(Qt::PointingHandCursor);
    preset_group_->addButton(btn, id);
    preset_row->addWidget(btn);
    return btn;
  };

  all_button_ = add_preset(kPresetAll, "All");
  add_preset(kPresetPast24h, "Past 24h");
  add_preset(kPresetLast7Days, "Last 7 Days");
  add_preset(kPresetLastMonth, "Last Month");
  all_button_->setChecked(true);
  connect(preset_group_, &QButtonGroup::idClicked, this, &DateRangePicker::onPresetClicked);
  main_layout->addLayout(preset_row);

  auto* date_row = new QHBoxLayout;
  from_edit_ = new QLineEdit;
  from_edit_->setPlaceholderText("DD/MM/YYYY");
  // Material "Arrow Right Alt" between from/to, themed to the active ink (re-inked
  // on a live theme switch in changeEvent). A QLabel pixmap, not a text glyph.
  arrow_label_ = new QLabel;
  arrow_label_->setPixmap(renderThemedIcon(QStringLiteral(":/resources/svg/arrow_right_alt.svg"), 18).pixmap(18, 18));
  to_edit_ = new QLineEdit;
  to_edit_->setPlaceholderText(QDate::currentDate().toString("dd/MM/yyyy"));
  calendar_button_ = new QPushButton;
  calendar_button_->setCursor(Qt::PointingHandCursor);
  // 28x28 button with a 24px icon to match the panel's other icon buttons
  // (refresh / search / regex toggles).
  calendar_button_->setFixedSize(28, 28);
  // Themed "Calendar Month" icon (recolored to the active theme's ink); the
  // icon stays static — toggleCalendar() no longer swaps a glyph.
  calendar_button_->setIcon(renderThemedIcon(QStringLiteral(":/resources/svg/calendar_month.svg"), 24));
  calendar_button_->setIconSize(QSize(24, 24));
  date_row->addWidget(from_edit_, 1);
  date_row->addWidget(arrow_label_);
  date_row->addWidget(to_edit_, 1);
  date_row->addWidget(calendar_button_);
  connect(from_edit_, &QLineEdit::textChanged, this, &DateRangePicker::checkCustomState);
  connect(to_edit_, &QLineEdit::textChanged, this, &DateRangePicker::checkCustomState);
  connect(calendar_button_, &QPushButton::clicked, this, &DateRangePicker::toggleCalendar);
  main_layout->addLayout(date_row);
}

DateRangePicker::~DateRangePicker() {