Openbox keybindings to snap active window at side or corner of the screen

openbox_window_snap_keybindings.xml

<!-- add this to ~/.config/openbox/rc.xml or lxde-rc.xml, lxqt-rc.xml or similar -->
<!-- use Ctrl + Alt + NumPad to move the window to the corrisponding position of the screen -->

<keyboard>

    <!-- 5, Maximize the window -->
    <keybind key="C-A-KP_5">
      <action name="MaximizeFull"/>
    </keybind>
    
    <!-- 4, Snap Left, half width, full height -->
    <keybind key="C-A-KP_4">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <x>0</x><y>0</y><height>100%</height><width>50%</width>
      </action>
    </keybind>
    
    <!-- 6, Snap Right, half width, full height -->
    <keybind key="C-A-KP_6">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <x>-0</x><y>0</y><height>100%</height><width>50%</width>
      </action>
    </keybind>
    
    <!-- 8, Snap Top, full width, half height -->
    <keybind key="C-A-KP_8">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <x>0</x><y>0</y><width>100%</width><height>50%</height>
      </action>
    </keybind>
    
    <!-- 2, Snap Bottom, full width, half height -->
    <keybind key="C-A-KP_2">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <x>0</x><y>-0</y><width>100%</width><height>50%</height>
      </action>
    </keybind>
    
    <!-- 7, Snap Top-Left, half width/height -->
    <keybind key="C-A-KP_7">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <x>0</x><y>0</y><width>50%</width><height>50%</height>
      </action>
    </keybind>
    
    <!-- 1, Snap Bottom-Left, half width/height -->
    <keybind key="C-A-KP_1">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <x>0</x><y>-0</y><width>50%</width><height>50%</height>
      </action>
    </keybind>
    
    <!-- 9, Snap Top-Right, half width/height -->
    <keybind key="C-A-KP_9">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <x>-0</x><y>0</y><width>50%</width><height>50%</height>
      </action>
    </keybind>
    
    <!-- 3, Snap Bottom-Right, half width/height -->
    <keybind key="C-A-KP_3">
      <action name="UnmaximizeFull"/>
      <action name="MoveResizeTo">
        <x>-0</x><y>-0</y><width>50%</width><height>50%</height>
      </action>
    </keybind>
    
</keyboard>