This tab of IDA Options dialog allows for editing of hint and identifier highlight
related settings. There are two groups of settings.
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The first group is for hints that are displayed when the mouse is hovered over some text.
The second group is for highlighting.
Number of lines for identifier hints
Specifies how tall the hint window will be initially. IDA may decide to display less lines than specified if the hint is small. The user can resize the hint window using the mouse wheel.Delay for identifier hints
Milliseconds that pass before the hint appears when the user hovers the mouse pointer over an identifierMouse wheel resizes hint window
Permit to resize the hint window by using the mouse wheel. Can be turned off if the user does not want to resize the hints.No hints if debugger is active
Hints will be disabled when the debugger is active. This may be useful to speed of debugging: calculating hints for zero filled ranges can be very expensiveAuto highlight the current identifier
Highlight the current identifier everywhere on the screen. IDA tries to determine if the current identifier denotes a register. In this case it will highlight references to other parts of the register. For example, if "AL" is highlighted, IDA will also highlight "AH", "AX", and "EAX" (if the current processor is x86).Unhide collapsed items automatically when jumping to them (gui only)
If this option is set on, IDA will automatically uncollapse hidden functions if the user decides to jump to them. As soon as the user quits the function by pressing Esc, the function is automatically collapsed again.Lazy jumps (gui only)
If this option is set on, IDA will not redraw the disassembly window if the jump target is already on the screen. In this case, it will just move the cursor to the specified address. This option leads to less screen redraws and less jumpy behaviour.Number of items in navigation stack drop-down menus
Specifies the number of entries in the drop-down menu for the 'Jump' toolbarNumber of lines for auto scroll
Specifies how many lines force automatic scrolling of the disassembly viewCaret blinking interval
Specifies how fast the input caret blinks (in milleseconds). Must be greater than or equal to 500, or zero. Zero means to disable blinking