• Logisim home page
• Guide to Being a Logisim User
  • Beginner's tutorial
    • Step 0: Orienting yourself
    • Step 1: Adding gates
    • Step 2: Adding wires
    • Step 3: Adding text
    • Step 4: Testing your circuit
  • Libraries and attributes
    • The explorer pane
    • The attribute table
    • Tool and component attributes
  • Subcircuits
    • Creating circuits
    • Using subcircuits
    • Debugging subcircuits
    • Logisim libraries
  • Wire bundles
    • Creating bundles
    • Splitters
    • Wire colors
  • Combinational analysis
    • Opening Combinational Analysis
    • Editing the truth table
    • Creating expressions
    • Generating a circuit
  • Menu reference
    • The File menu
    • The Edit menu
    • The Project menu
    • The Simulate menu
    • The Window and Help menus
  • Memory components
    • Poking memory
    • Pop-up menus and files
    • Hex editor
  • Logging
    • The Selection tab
    • The Table tab
    • The File tab
  • Application preferences
    • The Template tab
    • The Tools tab
    • The International tab
    • The Experimental tab
    • The command line
  • Project options
    • The Canvas tab
    • The Simulation tab
    • The Toolbar tab
    • The Mouse tab
  • Value propagation
    • Gate delays
    • Oscillation errors
    • Shortcomings
  • JAR libraries
    • Gray Code Incrementer
    • Library Class
    • Simple Gray Code Counter
    • Gray Code Counter
    • Guidelines
  • About the program
    • GNU General Public License
• Library Reference
  • Base library
    • Poke Tool
    • Edit Tool
    • Select Tool
    • Wiring Tool
    • Text Tool
    • Menu Tool
    • Splitter
    • Pin
    • Probe
    • Clock
    • Text
  • Gates library
    • Constant
    • NOT Gate
    • Buffer
    • AND/OR/NAND/NOR Gate
    • XOR/XNOR/Even/Odd Gate
    • Controlled Buffer/Inverter
  • Plexers library
    • Multiplexer
    • Demultiplexer
    • Decoder
    • Priority Encoder
    • Bit Selector
  • Arithmetic library
    • Adder
    • Subtractor
    • Multiplier
    • Divider
    • Negator
    • Comparator
    • Shifter
  • Memory library
    • D/T/J-K/S-R Flip-Flop
    • Register
    • Counter
    • Shift Register
    • Random
    • RAM
    • ROM
  • Input/Output library
    • Button
    • Joystick
    • Keyboard
    • LED
    • 7-Segment Display
    • Hex Digit Display
    • LED Matrix
    • TTY
  • Legacy library
    • Logisim 1.0 D/J-K Flip-Flop
    • Logisim 1.0 8-Bit Register

The Mouse tab

By default, when you click the mouse in Logisim's drawing area, the currently selected tool will be used. If you right-click or control-click, it will display a pop-up menu for the current component below the mouse.

Logisim allows you to modify this behavior, relieving you of the need to go to the toolbar and/or the explorer all the time. (This may also be handy if you are left-handed.) Each combination of a mouse button and a modifier key (shift and/or control) can be mapped to a different tool. The Mouse tab allows you to configure these mappings.

• On the left side is an explorer where you can choose the tool you want to map.

• On the right top side is a rectangle in which you can click using the mouse combination you want to click. For example, if you want to create new wires by shift-dragging, then you would first select the Wiring Tool in the Explorer (under the Base library); and then you would shift-click where it says "Click Using Combination To Map Wiring Tool." If that combination is already being used, then the mapping would be replaced with the new tool.

• Below this area is a list of current mappings. Note that any combinations that aren't listed simply use the currently selected tool.

• Below is the Remove button, where you can delete the mapping that is currently selected in the table above the button. In the future, then, that mouse combination would map to whatever tool is currently selected in the toolbar or the explorer pane.

• Below this is a list of attributes for the tool currently selected in the list of mappings. Each mouse-mapped tool has its own set of attributes, different from the attributes used in the explorer pane and in the toolbar. You can edit those attribute values here.

Next: User's Guide.