XV Mouse and Keyboard Usage
===========================

Part 1:  Mouse Usage in the Image Window
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                 Button1 - draws a selection rectangle
                 Button2 - pixel values, measures distance, picks color
                 Button3 - opens/closes the 'xv controls' window
  
          ctrl + Button1 - zooms in
          ctrl + Button2 - pans
          ctrl + Button3 - zooms out
  
  shift        + Button1 - draws a square selection rectangle
  shift        + Button2 - freehand drawing tool
  shift + ctrl + Button2 - draws lines
  shift        + Button3 - smudging tool
  
Part 1a:  Mouse Usage in Selection Rectangle
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                 Button1 - moves selection rectangle
  shift        + Button1 - moves selection, constrains motion
                 Button2 - 'drag-and-drop' cut and paste
  shift        + Button2 - 'drag-and-drop' cut and paste, constrain
          ctrl + Button2 - 'drag-and-drop' copy and paste
  shift + ctrl + Button2 - 'drag-and-drop' copy and paste, constrain
  
  
  
Part 2:  Normal Keyboard Equivalents
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The following keys can be used in most xv windows, including the image,
controls, and color editor windows, but *not* the visual schnauzer.
  
  Tab or 
  Space         - 'Next' command
  
  Return        - reload currently displayed image file
  
  Del or 
  Backspace     - 'Prev' command
  
  ctrl+'l'      - 'Load' command
  ctrl+'s'      - 'Save' command
  ctrl+'p'      - 'Print' command
  ctrl+'d'      - 'Delete' command
  
  'q' or 
  ctrl+'q'      - 'Quit' command
  
  meta+'x'      - 'cut' command
  meta+'c'      - 'copy' command
  meta+'v'      - 'paste' command
  meta+'d'      - 'clear' command
  
  'n'           - reset image to normal (unexpanded) size
  'm'           - maximum image size
  'M'           - maximum image size, maintaining aspect ratio
  '>'           - double image size
  '<'           - half image size
  '.'           - make image 10% larger
  ','           - make image 10% smaller
  'S'           - set image to specified size/expansion
  'a'           - reset image to normal aspect ratio
  '4'           - make image have a 4x3 width/height ratio
  'I'           - round image size to integer expansion/compression ratios
  
  't'           - turn image 90 degrees clockwise
  'T'           - turn image 90 degrees counter-clockwise
  'h'           - flip image horizontally
  'v'           - flip image vertically
  
  'P'           - pad image
  'A'           - image annotation
  'c'           - 'Crop' command
  'u'           - 'UnCrop' command
  'C'           - 'AutoCrop' command
  
  'r'           - raw mode
  'd'           - dithered mode
  's'           - smooth mode
  meta+'8'      - toggle 8/24 bit mode
  
  'V' or 
  ctrl+'v'      - Visual Schnauzer
  'e'           - Color Editor
  'i'           - Image Info
  ctrl+'c'      - Image Comments
  ctrl+'t'      - Text View
  
  ctrl+'g'      - 'Grab' command
  ctrl+'a'      - 'About XV' command
  
  meta+'b'      - Blur algorithm
  meta+'s'      - Sharpen algorithm
  meta+'e'      - Edge Detection algorithm
  meta+'m'      - Emboss algorithm
  meta+'o'      - Oil Paint algorithm
  meta+'B'      - Blend algorithm
  meta+'t'      - Copy rotate algorithm
  meta+'T'      - Clear rotate algorithm
  meta+'p'      - Pixelize algorithm
  meta+'S'      - Spread algorithm
  
  'R' or
  meta+'r' or 
  meta+'0'      - 'Reset' command in color editor
  
  meta+'1'      - select preset 1 in color editor
  meta+'2'      - select preset 2 in color editor
  meta+'3'      - select preset 3 in color editor
  meta+'4'      - select preset 4 in color editor
  meta+'a'      - 'Apply' command in color editor
  
  
  
Part 2a:  Image Window Keys
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The following keys can *only* be used inside the image window.
  
  ctrl + Up     - crops 1 pixel off the bottom of the image
  ctrl + Down   - crops 1 pixel off the top of the image
  ctrl + Left   - crops 1 pixel off the right side of the image
  ctrl + Right  - crops 1 pixel off the left side of the image
  
  If you're viewing a multi-page document:
  'p'           -  opens a 'go to page #' dialog box
  
  PageUp, or
  Prev, or 
  shift+Up      - previous page
  
  PageDown, or
  Next, or 
  shift+Down    - next page
  
  
  If a selection rectangle is active
  Up            - move rectangle up 1 pixel
  Down          - move rectangle down 1 pixel
  Left          - move rectangle left 1 pixel
  Right         - move rectangle right 1 pixel
  shift+Up      - shrink rectangle vertically by 1 pixel
  shift+Down    - expand rectangle vertically by 1 pixel
  shift+Left    - shrink rectangle horizontally by 1 pixel
  shift+Right   - expand rectangle horizontally by 1 pixel
  
  
Part 2b:  Visual Schnauzer Keys
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The following keys can only be used in the visual schnauzer windows.
  
  ctrl+'d'      - delete file(s)
  ctrl+'n'      - create new directory
  ctrl+'r'      - rename file
  ctrl+'s'      - rescan directory
  ctrl+'w'      - open new window
  ctrl+'u'      - update icons
  ctrl+'g'      - generate icons for selected files
  ctrl+'a'      - select all files
  ctrl+'t'      - view selected file as text
  ctrl+'q'      - quit XV
  ctrl+'c'      - change directory
  Esc           - close window
  Return        - load currently selected file(s)
  Space         - load next file
  Backspace     - load previous file