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## 5. Mouse and key bindings

Mouse bindings in the Main and the Zoom window

  The following mouse events are defined when the mouse pointer is either on the displayed page or on a zoomed area:

  - press button 1, move mouse, release button 1

    Scrolls the displayed page 'proportionally'.

  - press button 3, move mouse, release button 3

    Scrolls the displayed page 'absolutely'.

  - double-click with button 1

    In the main window this displays the previous/next page if the double-click occured in the left/right half of the window. In a zoom window it does nothing.

  - press button 2, release button 2

    Pops up a small menu which allows to choose a magnification for a certain area around the current mouse position. After selecting a magnification a zoom window pops up displaying the area at the chosen scale.

  - press button 2, move mouse, release button 2

    This draws and thereby defines a rectangular region which can be displayed in a zoom window. The magnification for the area can be selected by means of a popup menu which appears after releasing button 2.

  - press button 1, press button 2

    Redisplays the current page. This event sequence works only in the main window.

  - press button 3, release button 3

    Pops up a small menu which offers a few standard actions like 'Redisplay', 'Mark Page', etc.

Mouse bindings in the File Selection popup

  The following mouse events are defined when the mouse pointer is in the window of either a file or a directory list:

  - press button 1, move mouse, release button 1

    Scrolls a file or directory list 'proportionally'.

  - press button 2, move mouse, release button 2

    Scrolls a file or directory list 'absolutely'.

  - press button 2, release button 2

    Scrolls a file or directory list one page up/down if the button was pressed in the upper/lower half of the list.

  - double-click with button 1 on a filename

    Selects the file and closes the File Selection popup.

  - click with button 1 on a directory name

    Causes the contents of this directory to be displayed.

Mouse bindings in the Table of Contents

  The following mouse events are defined when the mouse pointer is in the window showing a list of page numbers of the current file:

  - press button 1, move mouse, release button 1

    Scrolls the table of contents.

  - press button 1 on a page number

    Go to this page.

  - press button 2 on a page number

    Mark this page if it is unmarked, but unmark it if it is marked.

  - press button 2, move mouse, release button 2

    Marks/unmarks all unmarked/marked pages in the region crossed by the mouse pointer during the movement.

Mouse bindings in the Panner widget

  The Panner widget is the rectangular region located close to the left edge of the main window. It indicates the size and the position of the visible area of the current page relative to the total page.

  The following mouse events are defined when the mouse pointer is in this region:

  - press button 1, move mouse

    Scrolls the displayed page.

  - press button 2

    Display the previous page.

  - press button 3

    Display the next page.

Key Bindings

      A          Toggle antialiasing on and off
      C          Center the page
      O          Open a new file
      Q          Quit gv
      R          Reopen the current file
      Z          Toggle gv's resizing behaviour
      I          Respect/Ignore document structuring
      E          Respect/Ignore EOF comments
      W          Watch file / Don't watch file
      S          Save the marked pages
      Shift-S    Save the current file
      P          Print the marked pages
      Shift-P    Print the current file
      B          Go to the previous page
      BackSpace  Go to the previous page
      Delete     Go to the previous page
      Prior      Go to the previous page
      F          Go to the next page
      Space      Go to the next page
      Return     Go to the next page
      Next       Go to the next page
      .          Redisplays the current page
      Ctrl-L     Redisplays the current page
      M          Mark the current page
      N          Unmark the current page
      Shift-7    Select the scale entry -7 relative to the scale 1.0
      Shift-6    Select the scale entry -6 relative to the scale 1.0
      Shift-5    Select the scale entry -5 relative to the scale 1.0
      Shift-4    Select the scale entry -4 relative to the scale 1.0
      Shift-3    Select the scale entry -3 relative to the scale 1.0
      Shift-2    Select the scale entry -2 relative to the scale 1.0
      Shift-1    Select the scale entry -1 relative to the scale 1.0
      0          Select the scale 1.0
      1          Select the scale entry 1 relative to the scale 1.0
      2          Select the scale entry 2 relative to the scale 1.0
      3          Select the scale entry 3 relative to the scale 1.0
      4          Select the scale entry 4 relative to the scale 1.0
      5          Select the scale entry 5 relative to the scale 1.0
      6          Select the scale entry 6 relative to the scale 1.0
      7          Select the scale entry 7 relative to the scale 1.0
      +          Select the next scale entry.
      -          Select the previous scale entry.
      U          Scroll up
      D          Scroll down
      H          Scroll left
      K          Scroll up
      J          Scroll down
      L          Scroll right
      Arrow      Scroll in the direction of the arrow

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