Learning_GTK4_tree/demos/constraint-editor/constraint-editor.ui

<?xml version="1.0" encoding="UTF-8"?>
<interface>
  <object class="GtkStringList" id="targets">
    <items>
      <item>None</item>
      <item>Left</item>
      <item>Right</item>
      <item>Top</item>
      <item>Bottom</item>
      <item>Start</item>
      <item>End</item>
      <item>Width</item>
      <item>Height</item>
      <item>Center X</item>
      <item>Center Y</item>
      <item>Baseline</item>
    </items>
  </object>
  <template class="ConstraintEditor" parent="GtkWidget">
    <child>
      <object class="GtkGrid" id="grid">
        <property name="margin-start">20</property>
        <property name="margin-end">20</property>
        <property name="margin-top">20</property>
        <property name="margin-bottom">20</property>
        <property name="row-spacing">10</property>
        <property name="column-spacing">10</property>
        <child>
          <object class="GtkLabel">
            <property name="label">Target</property>
            <layout>
              <property name="column">0</property>
              <property name="row">1</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkDropDown" id="target">
            <signal name="notify::selected" handler="update_preview" swapped="yes"/>
            <signal name="notify::selected" handler="update_button" swapped="yes"/>
            <layout>
              <property name="column">1</property>
              <property name="row">1</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkDropDown" id="target_attr">
            <property name="model">targets</property>
            <signal name="notify::selected" handler="update_preview" swapped="yes"/>
            <layout>
              <property name="column">2</property>
              <property name="row">1</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkLabel">
            <property name="label">Relation</property>
            <layout>
              <property name="column">0</property>
              <property name="row">2</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkDropDown" id="relation">
            <signal name="notify::selected" handler="update_preview" swapped="yes"/>
            <property name="model">
              <object class="GtkStringList">
                <items>
                  <item>≤</item>
                  <item>=</item>
                  <item>≥</item>
                </items>
              </object>
            </property>
            <layout>
              <property name="column">1</property>
              <property name="row">2</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkLabel">
            <property name="label">Source</property>
            <layout>
              <property name="column">0</property>
              <property name="row">3</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkDropDown" id="source">
            <signal name="notify::selected" handler="update_preview" swapped="yes"/>
            <signal name="notify::selected" handler="update_button" swapped="yes"/>
            <layout>
              <property name="column">1</property>
              <property name="row">3</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkDropDown" id="source_attr">
            <property name="model">targets</property>
            <signal name="notify::selected" handler="update_preview" swapped="yes"/>
            <signal name="notify::selected" handler="source_attr_changed" swapped="yes"/>
            <signal name="notify::selected" handler="update_button" swapped="yes"/>
            <layout>
              <property name="column">2</property>
              <property name="row">3</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkLabel">
            <property name="label">Multiplier</property>
            <layout>
              <property name="column">0</property>
              <property name="row">4</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkEntry" id="multiplier">
            <signal name="changed" handler="update_preview" swapped="yes"/>
            <layout>
              <property name="column">1</property>
              <property name="row">4</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkLabel">
            <property name="label">Constant</property>
            <layout>
              <property name="column">0</property>
              <property name="row">5</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkEntry" id="constant">
            <signal name="changed" handler="update_preview" swapped="yes"/>
            <layout>
              <property name="column">1</property>
              <property name="row">5</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkLabel">
            <property name="label">Strength</property>
            <layout>
              <property name="column">0</property>
              <property name="row">6</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkDropDown" id="strength">
            <property name="model">
              <object class="GtkStringList">
                <items>
                  <item>Weak</item>
                  <item>Medium</item>
                  <item>Strong</item>
                  <item>Required</item>
                </items>
              </object>
            </property>
            <layout>
              <property name="column">1</property>
              <property name="row">6</property>
            </layout>
          </object>
        </child>
        <child>
          <object class="GtkLabel" id="preview">
            <property name="xalign">0</property>
            <layout>
              <property name="column">1</property>
              <property name="row">7</property>
              <property name="column-span">2</property>
            </layout>
            <attributes>
              <attribute name="scale" value="1.44"/>
            </attributes>
          </object>
        </child>
        <child>
          <object class="GtkButton" id="button">
            <property name="label">Create</property>
            <signal name="clicked" handler="create_constraint"/>
            <layout>
              <property name="column">2</property>
              <property name="row">8</property>
            </layout>
          </object>
        </child>
      </object>
    </child>
  </template>
</interface>