套件：slop（7.6-5）

queries for a selection from the user and prints the region to stdout

slop (Select Operation) is an application that queries for a selection from the user and prints the region to stdout. It grabs the mouse and turns it into a crosshair, lets the user click and drag to make a selection (or click on a window) while drawing a pretty box around it, then finally prints the selection's dimensions to stdout.

Features:

 * Hovering over a window will cause a selection rectangle to appear
   over it.
 * Clicking on a window makes slop return the dimensions of the
   window.
 * Clicking and dragging causes a selection rectangle to appear,
   renders pretty well (compared to scrot). And will return the
   dimensions of that rectangle in absolute screen coords.
 * On startup it turns your cursor into a crosshair, then adjusts the
   cursor into angles as you drag the selection rectangle.
 * Supports simple arguments:
   * Change selection rectangle border size.
   * Select X display.
   * Set padding size, even negative padding sizes!
   * Set click tolerance for if you have a shaky mouse.
   * Set the color of the selection rectangles to match your theme!
     (Even supports transparency!)
 * Remove window decorations from selections.
 * Supports OpenGL hardware acceleration.
 * Supports textured themes.
 * Supports programmable shaders.
 * Supports a magnifying glass.

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