logid.cfg

// Logiops (Linux driver) configuration for Logitech MX Master 3.
// Includes gestures, smartshift, DPI.
// Tested on LogiOps v0.3.3 - GNOME 43.6 on Debian 12
// File location: /etc/logid.cfg

devices: ({
  name: "Wireless Mouse MX Master 3";

// Properties
  smartshift: {
    on: true;
    threshold: 15;
  };

  hiresscroll: {
    hires: true;
    invert: false;
    target: false;
  };

  dpi: 800; // max=4000

// Functions
  buttons: (
    // Forward button
    {
      cid: 0x56;
      action = {
        type: "Gestures";
        gestures: (
          {
            direction: "None";
            mode: "OnRelease";
            action = {
              type: "Keypress";
              keys: [ "KEY_FORWARD" ]; // Tapping Forward Button -> Default behaviour, moves forward
            }
          },

          {
            direction: "Up";
            mode: "OnInterval";
            interval: 25;
            action = {
              type: "Keypress";
              keys: [ "KEY_RIGHTBRACE" ]; // Dragging Forward Button Upwards -> Sends the "Right Bracket" key as input once per 25pixels, enlarges brush size in Photoshop
            }
          },

          {
            direction: "Down";
            mode: "OnInterval";
            interval: 25;
            action = {
              type: "Keypress";
              keys: [ "KEY_LEFTBRACE" ]; // Dragging Forward Button Downwards -> Sends the "Left Bracket" key as input once per 25pixels, reduces brush size in Photoshop
            }
          },

          {
            direction: "Right";
            mode: "OnRelease";
            action = {
              type: "Keypress";
              keys: [ "KEY_END" ]; // Dragging Forward button Rightwards -> Sends the "End" key as input, moves cursor to end of line
            }
          },

          {
            direction: "Left";
            mode: "OnRelease";
            action = {
              type: "Keypress";
              keys: [ "KEY_HOME" ]; // Dragging Forward Button Leftwards -> Sends the "Home" key as input, moves cursor to beggining of line
            }
          }
        );
      };
    },

    // Back button
    {
      cid: 0x53;
      action = {
        type: "Gestures";
        gestures: (
          {
            direction: "None";
            mode: "OnRelease";
            action = {
              type: "Keypress";
              keys: [ "KEY_BACK" ]; // Tapping Back Button -> Default behaviour, moves backwards
            }
          },
          
          {
            direction: "Up";
            mode: "OnInterval";
            interval: 50;
            action = {
              type: "Keypress";
              keys: [ "KEY_KP8" ]; // Dragging Back Button Upwards -> Sends the "Num8" key as input once per 50pixels, useful for blender
            }
          },
          
          {
            direction: "Down";
            mode: "OnInterval";
            interval: 50;
            action = {
              type: "Keypress";
              keys: [ "KEY_KP2" ]; // Dragging Back Button Downwards -> Sends the "Num2" key as input once per 50pixels, useful for blender
            }
          },
          
          {
            direction: "Left";
            mode: "OnInterval";
            interval: 50;
            action = {
              type: "Keypress";
              keys: [ "KEY_KP4" ]; // Dragging Back Button Leftwards -> Sends the "Num4" key as input once per 50pixels, useful for blender
            }
          },
          
          {
            direction: "Right";
            mode: "OnInterval";
            interval: 50;
            action = {
              type: "Keypress";
              keys: [ "KEY_KP6" ]; // Dragging Back Button Rightwards -> Sends the "Num6" key as input once per 50pixels, useful for blender
            }
          }
        );
      };
    },

    // Gesture button (hold and move)
    {
      cid: 0xc3;
      action = {
        type: "Gestures";
        gestures: (
          {
            direction: "None";
            mode: "OnRelease";
            action = {
              type: "Keypress";
              keys: [ "KEY_PLAYPAUSE" ]; // Tapping Gesture Button -> Toggles media playback
            }
          },

          {
            direction: "Right";
            mode: "OnRelease";
            action = {
              type: "Keypress";
              keys: [ "KEY_NEXTSONG" ]; // Dragging Gesture Button Rightwards -> Plays next media in list/queue
            }
          },

          {
            direction: "Left";
            mode: "OnRelease";
            action = {
              type: "Keypress";
              keys: [ "KEY_PREVIOUSSONG" ]; // Dragging Gesture Button Leftwards -> Plays previous media in list/queue
            }
		  },

		  {
            direction: "Up";
            mode: "onInterval";
            interval: 50;
            action = {
              type: "Keypress";
              keys: [ "KEY_VOLUMEUP" ]; // Dragging Gesture Button Upwards -> Raises the volume one step per 50pixels
            }
		  },
		  
		  {
            direction: "Down";
            mode: "OnInterval";
            interval: 50;
            action = {
              type: "Keypress";
              keys: [ "KEY_VOLUMEDOWN" ]; // Dragging Gesture Button Downwards -> Lowers the volume one step per 50pixels
            }
          }
        );
      };
    },
	
    // Top button
    {
      cid: 0xc4;
      action = {
        type: "Gestures";
        gestures: (
          {
            direction: "None";
            mode: "OnRelease";
            action = {
              type: "ToggleSmartShift"; // Tapping Top Button -> Toggles SmartShift
            }
          },

          {
            direction: "Up";
            mode: "OnRelease";
            action = {
              type: "ChangeDPI"; // Dragging Top Button Upwards -> Raises DPI in increments of 800 points
              inc: 800,
            }
          },

          {
            direction: "Down";
            mode: "OnRelease";
            action = {
              type: "ChangeDPI"; // Dragging Top Button Downwards -> Lowers DPI in increments of 800 points
              inc: -800,
            }
          }
        );
      };
    }
  );
});