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#### 6.12.4 Keyboard & Mouse

The Keyboard & mouse options dialog is called by the menu item ”Options—Environment—Keyboard & Mouse”. It allows adjusting the behaviour of the keyboard and mouse as well as the sensitivity of the mouse. The keyboard and mouse options dialog is shown in figure (6.36).

Figure 6.36: The Keyboard & mouse options dialog

Keys for copy, cut and paste
  Set the keys to use for clipboard operations:
  - CUA-91 convention (Shift+Del,Ctrl+Ins,Shift+Ins)
  - Microsoft convention (Ctrl+X,Ctrl+C,Ctrl+V)
Mouse double click
  The slider can be used to adjust the double click speed. Fast means that the time between two clicks is very short; slow means that the time between two mouse clicks can be quite long.
Reverse mouse buttons
  the behaviour of the left and right mouse buttons can be swapped by by checking the checkbox; this is especially useful for left-handed people.
Ctrl+Right mouse button
  Assigns an action to a right mouse button click while holding the Ctrl key pressed.
Alt+right mouse button
  Assigns an action to right mouse button click while holding the Alt key pressed.

The following actions can be assigned to Ctrl-Right mouse button or Alt-right mouse button:

Nothing
  No action is associated to the event.
Topic search
  The keyword at the mouse cursor is searched in the help index.
Go to cursor
  The program is executed until the line where the mouse cursor is located.
Breakpoint
  Set a breakpoint at the mouse cursor position.
Evaluate
  Evaluate the value of the variable at the mouse cursor.
Add watch
  Add the variable at the mouse cursor to the watch list.
Browse symbol
  The symbol at the mouse cursor is displayed in the browser.

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