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functions in button.i - b


       -or- button_build(button, which)  
     Returns a Button structure instance, modified interactively to be at  
     the correct position and to have the correct box half widths, e.g.:  
        button= button_build(Button(text="label",y=initial_y))  
     You can either drag the center of the button to a new location  
     (press down near the center of the button, move the pointer to  
     where you want the center, and release at the new center point),  
     or press the "Set Box" or "Done" button.  In the "Set Box" mode,  
     you can either drag a new box over the button, or press "Set Center"  
     (to return to the original mode) or "Done" button.  
     Yorick has no way to determine the size of a text string produced  
     by the plt command, which is why you need to be able to adjust  
     the size of the box draawn around the text.  The idea is to use  
     button_build to get the buttons where you like, then put those  
     coordinates into the include file for the mouse-driven function  
     you are writing.  
     Also, the input BUTTON may be an array of buttons, and BUTTON(WHICH)  
     will be the one that is modified.  WHICH defaults to 1.  By using an  
     array of buttons, you can see all the other buttons in a group while  
     you adjust one.  
interpreted function, defined at i/button.i   line 21  
SEE ALSO: Button,   button_test,   button_plot  

             button_plot, button1, button2, ...  
     plot the specified BUTTONs.  Each button in the list may be an array  
     of Button structs.  Void arguments are no-ops.  
interpreted function, defined at i/button.i   line 127  
SEE ALSO: Button,   button_build,   button_test  

             button_test(button, x, y)  
     true if the BUTTON contains NDC coordinates (X,Y).  
interpreted function, defined at i/button.i   line 158  
SEE ALSO: Button,   button_build,   button_plot