GtkColumnViewDemo

This is a GtkColumnView demo app for validating the GTK4 features for Kangaroo App, that is a database client and admin tool built with GTK, libgda and Vala.

The GtkColumnViewDemo app integrates with following GTK4 features:

• GtkColumnView with sorting support
• GtkColumnView editing and saving support
• GtkColumnView style switching support
• GtkPopoverMenu with checkmark support
• Context menu with model and submenu support
• GtkNotebook with custom tab widgets
• GtkBuilder with GtkTemplate/GtkChild/GtkCallback support
• GtkBuilderListItemFactory with resource and bytes support
• GtkSignalListItemFactory implementation
• Shortcut registration and handling
• Usage of GtkMenuButton/GtkSpinButton/GtkEntry/GtkPopover/GtkDropDown/...
• GtkExpression implementation
• GtkAlertDialog implementation
• Enum values with nicknames and parsing support
• Toolbar with dynamic binding support
• Added MSYS2-based VSCode debugging support

Screenshot

Expression examples

Expression with GtkClosureExpression(global) + GtkPropertyExpression string get_file_type_factory (Gtk.ListItem item, FileInfo? info);

<object class="GtkLabel">
  <binding name="label">
    <closure type="gchararray" function="get_file_type_factory">
      <lookup name="item">GtkListItem</lookup>
    </closure>
  </binding>
</object>

Expression with GtkPropertyExpression + GtkPropertyExpression

<object class="GtkLabel">
  <binding name="label">
    <lookup type='GtkWidget' name="css_name">
      <lookup name="child">GtkListItem</lookup>
    </lookup>
  </binding>
</object>

Expression with GtkExpression property + GtkConstantExpression

<property name="sorter">
  <object class="GtkNumericSorter" id="sorter_css">
    <property name="expression">
      <constant type='gint64'>100</constant>
    </property>
    <property name="sort-order">GTK_SORT_ASCENDING</property>
  </object>
</property>

Expression with GtkExpression property + GtkClosureExpression(global)

<object class="AdwComboRow" id="alignment">
  <property name="visible">True</property>
  <property name="focusable">False</property>
  <property name="enable-search">True</property>
  <property name="title" translatable="yes">Alignment</property>
  <property name="model">
    <object class="AdwEnumListModel">
      <property name="enum-type">GtkAlign</property>
    </object>
  </property>
  <property name="expression">
    <closure type="gchararray" function="get_enum_short_name"/>
  </property>
</object>