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Annotation of 43BSD/contrib/X/xgedit/gedit.doc, revision 1.1.1.1

1.1       root        1: XGEDIT -- simple graphic editor for the X window system
                      2: 
                      3: XGEDIT allows one to create and edit .def compatible files.  To run type
                      4: 
                      5:        gedit filename
                      6: 
                      7: which will load filename.def for editing.  In its quiescent state XGEDIT
                      8: displays an x-shaped graphics cursor at the current position.
                      9: XGEDIT commands are single letters; the commands fall into various categories:
                     10: 
                     11:        graphic cursor control
                     12:        object manipulation (rotation, editing, creation, deletion)
                     13:        miscellaneous commands
                     14: 
                     15: Some commands prompt the user for text input.  When this happens a prompt
                     16: appears at the bottom of the screen and an underscore text
                     17: cursor is displayed.  Printing chars typed by the user will be returned
                     18: to the command for processing; in addition, certain control chars facilitate
                     19: editing of text input:
                     20: 
                     21:        ^A      move to beginning of text line
                     22:        ^B      move backward n chars (also ^H and right-arrow key)
                     23:        ^C      abort input returning abort status to requestor (also ^G, ^Q)
                     24:        ^D      delete n chars above and to right of cursor
                     25:        ^E      move to end of text line
                     26:        ^F      move forward n chars (also left-arrow key)
                     27:        ^K      delete from cursor position to end of line
                     28:        ^L      redisplay
                     29:        ^U      n = n*4; after a command, n is reset to 1
                     30:        RUBOUT  delete n chars before cursor
                     31:        CR      editing complete, return to command (also NL, ESC)
                     32: 
                     33: If the cursor is somewhere in the middle of the line, printing chars
                     34: typed at the keyboard will be inserted at the current cursor position.
                     35: Some commands provide some initial text to be edited by the user --
                     36: if this default text is satisfactory, the user only need type a CR.
                     37: 
                     38: GRAPHIC CURSOR CONTROL
                     39: 
                     40: The graphic cursor is an x.  The size of the x (which can be
                     41: changed) determines the area under the cursor.  Some commands affect
                     42: objects which are under the cursor, others move the cursor to the
                     43: edge of this area (i.e., a big cursor moves faster than a small one).
                     44: The cursor will never move beyond the edge of the screen.
                     45: 
                     46: F, f, ^F                       move graphic cursor to the right
                     47: H, h, ^H, B, b, ^B             move graphic cursor to the left
                     48: P, p, ^P                       move graphic cursor up
                     49: N, n, ^N               move graphic cursor down
                     50: W, w, ^W                       recenter window at current cursor position
                     51: +                              make cursor twice as large
                     52: -                              make cursor half as large
                     53: @                              move graphic cursor to origin of picture
                     54: !                              snap cursor to grid
                     55:                                  (large cursor -> coarse grid)
                     56: U, u, ^U                       multiplier *= 4
                     57:                                  (^U^F moves 4 times as far as ^F)
                     58: 
                     59: OBJECT MANIPULATION
                     60: 
                     61: There are three types of objects: lines, labels, and subpictures (other
                     62: .def files treated as a single graphic object).
                     63: 
                     64: L, l, left button                      start a new line at current position
                     65: a, A, ^A                       specify new angle subtended by line segment
                     66: C, c                           create new label (prompts for text)
                     67: I, i                           insert a new subpicture (prompts for name)
                     68: S, s, ^S, right button         select object (cycles among possibilites)
                     69: Z, z, ^Z, SPACE, middle button release selection at current position
                     70: ^G                             release selection, don't update old position
                     71: M, m                           release selection after same relative motion
                     72:                                  as previously released selection
                     73: 
                     74: E, e, ^E                       edit selection
                     75:                                 labels: edit exisiting text
                     76:                                 subpics: recursive edit of source file
                     77: 
                     78: ^                              edit last
                     79: 
                     80: R, r, ^R                       rotate, reflect selection
                     81:                                 labels: changes position wrt ref. point
                     82:                                 subpics: one of 8 possible rots&reflects
                     83:                                 segments: if angle<>0 reflect arc about line
                     84: 
                     85: *                              scale selected subpicture
                     86: 
                     87: Selected objects follow cursor motion (lines act like rubber
                     88: bands with only the selected end following the cursor) until they are
                     89: released.  
                     90: 
                     91: 
                     92: MISCELLANEOUS
                     93: 
                     94: ^L                             redisplay
                     95: X, x, ^X                       change display scale (screen:def)
                     96: ^C, ^Q                         exit XGEDIT, updating files if top level
                     97: ^O                             move picture origin to cursor position
                     98: G, g                           turn/on off grid points

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