gdb: TUI Configuration

 
 25.5 TUI Configuration Variables
 ================================
 
 Several configuration variables control the appearance of TUI windows.
 
 'set tui border-kind KIND'
      Select the border appearance for the source, assembly and register
      windows.  The possible values are the following:
      'space'
           Use a space character to draw the border.
 
      'ascii'
           Use ASCII characters '+', '-' and '|' to draw the border.
 
      'acs'
           Use the Alternate Character Set to draw the border.  The
           border is drawn using character line graphics if the terminal
           supports them.
 
 'set tui border-mode MODE'
 'set tui active-border-mode MODE'
      Select the display attributes for the borders of the inactive
      windows or the active window.  The MODE can be one of the
      following:
      'normal'
           Use normal attributes to display the border.
 
      'standout'
           Use standout mode.
 
      'reverse'
           Use reverse video mode.
 
      'half'
           Use half bright mode.
 
      'half-standout'
           Use half bright and standout mode.
 
      'bold'
           Use extra bright or bold mode.
 
      'bold-standout'
           Use extra bright or bold and standout mode.
 
 'set tui tab-width NCHARS'
      Set the width of tab stops to be NCHARS characters.  This setting
      affects the display of TAB characters in the source and assembly
      windows.