/usr/share/gnudatalanguage/coyote/scrollwindow.pro is in gdl-coyote 2016.11.13-2.
This file is owned by root:root, with mode 0o644.
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; NAME:
; SCROLLWINDOW
;
; PURPOSE:
;
; This procedure is more or less a drop-in replacement for the WINDOW
; command. The main difference is that if the requested window size
; is larger then the current display size, the window is created in a
; base widget with scroll bars so the user can scroll around
; the larger window. Use the WID keyword to pass in the window
; index number of the window you want to create (a small change
; from the WINDOW syntax). If the program can create a window with
; this window index number, it will. Otherwise, this keyword will
; return the window index number of the window that was actually
; created.
; I use ScrollWindow to create windows that I can view both on
; my large monitor at work and on my smaller laptop monitor when
; I travel.
;
; AUTHOR:
;
; FANNING SOFTWARE CONSULTING
; David Fanning, Ph.D.
; 1645 Sheely Drive
; Fort Collins, CO 80526 USA
; Phone: 970-221-0438
; E-mail: david@idlcoyote.com
; Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
;
; CATEGORY:
;
; Graphics
;
; CALLING SEQUENCE:
;
; ScrollWindow, xsize, ysize
;
; ARGUMENTS:
;
; xsize: The x size of the graphics window. By default, 640.
;
; ysize: The y size of the graphics window. By default, 512.
;
; KEYWORD PARAMETERS:
;
; FREE: Get a window with a free or unused window index number.
; This is *always* done with a scrollable window. The window
; index number of the window is returned in the WID keyword.
;
; PIXMAP: Set to create a pixmap window. In this case, no scrollable
; window is possible. A normal IDL graphics window is
; always created.
;
; SIZEFRAC: Make the window this fraction of the screen dimensions.
; A number between 0.0 and 1.0
;
; TITLE: The title string that is displayed on the window.
;
; WID: The window index number. If supplied as an IDL variable,
; this can be both an input and an output keyword. If a
; window with this window index number can be created, it
; is. Otherwise, this varible upon exit from the program
; contains the window index number of the graphics window
; that was created.
;
; XPOS: The x offset of the upper-left corner of the window.
;
; XSIZE: The same as the xsize argument. Provided so ScrollWindow
; can be a drop-in replacement for the Window command.
;
; YPOS: The y offset of the upper-left corner of the window.
;
; YSIZE: The same as the ysize argument. Provided so ScrollWindow
; can be a drop-in replacement for the Window command.
;
;
;
; EXAMPLE:
;
; ScrollWindow, XSIZE=800, YSIZE=400 ; Produces normal IDL graphics window.
; ScrollWindow, XSIZE=1800, YSIZE=1200 ; Produces a scrollable graphics window.
;
; MODIFICATION HISTORY:
;
; Written by: David W. Fanning, 25 March 2009
; Added SIZEFRACTION keyword, Mats Löfdahl, 25 November 2012.
;-
;
;******************************************************************************************;
; Copyright (c) 2009-2012, by Fanning Software Consulting, Inc. ;
; All rights reserved. ;
; ;
; Redistribution and use in source and binary forms, with or without ;
; modification, are permitted provided that the following conditions are met: ;
; ;
; * Redistributions of source code must retain the above copyright ;
; notice, this list of conditions and the following disclaimer. ;
; * Redistributions in binary form must reproduce the above copyright ;
; notice, this list of conditions and the following disclaimer in the ;
; documentation and/or other materials provided with the distribution. ;
; * Neither the name of Fanning Software Consulting, Inc. nor the names of its ;
; contributors may be used to endorse or promote products derived from this ;
; software without specific prior written permission. ;
; ;
; THIS SOFTWARE IS PROVIDED BY FANNING SOFTWARE CONSULTING, INC. ''AS IS'' AND ANY ;
; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES ;
; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT ;
; SHALL FANNING SOFTWARE CONSULTING, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, ;
; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED ;
; TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; ;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ;
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ;
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS ;
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ;
;******************************************************************************************;
PRO ScrollWindow, xsize, ysize, $
FREE=free, $
PIXMAP=pixmap, $
SIZEFRACTION = sizefraction, $
TITLE=title, $
WID=wid, $
XPOS=xpos, $
XSIZE=xs, $
YSIZE=ys, $
YPOS=ypos
; Get default values. Easier to pass sizes as parameters, but
; I want this to be a drop-in replacement for WINDOW, too.
; So, XSIZE and YSIZE keywords only checked if xsize and ysize
; are undefined.
IF N_Elements(xsize) EQ 0 THEN BEGIN
IF N_Elements(xs) EQ 0 THEN xsize = 640 ELSE xsize = xs
ENDIF
IF N_Elements(ysize) EQ 0 THEN BEGIN
IF N_Elements(ys) EQ 0 THEN ysize = 512 ELSE ysize = ys
ENDIF
IF N_Elements(wid) EQ 0 THEN wid = 0
; If the user wants a pixmap, just make it and return.
IF Keyword_Set(pixmap) THEN BEGIN
IF Keyword_Set(free) THEN BEGIN
Window, XSIZE=xsize, YSIZE=ysize, RETAIN=retain, FREE=1
ENDIF ELSE BEGIN
Window, wid, XSIZE=xsize, YSIZE=ysize, RETAIN=retain
ENDELSE
wid = !D.Window
RETURN
ENDIF
; Get the screen size of the display. Account for multiple monitors.
s = Get_Screen_Size()
IF s[0] GT 2000 THEN s[0] = s[0] / 2
;; Need different fudge factors for different operating systems.
IF StrUpCase(!Version.OS_FAMILY) EQ 'WINDOWS' THEN BEGIN
retain = 1
xfudge = 25
yfudge = 80
ENDIF ELSE BEGIN
retain = 2
xfudge = 40
yfudge = 100
ENDELSE
maxxsize = s[0] - xfudge
maxysize = s[1] - yfudge
; Do you have a size fraction to consider?
IF N_Elements(sizefraction) NE 0 THEN BEGIN
maxxsize = Round(maxxsize * sizefraction)
maxysize = Round(maxysize * sizefraction)
ENDIF
; Either make a window, or made a scrollable window.
IF (xsize LT maxxsize) AND (ysize LT maxysize) THEN BEGIN
IF Keyword_Set(free) THEN BEGIN
Window, XSIZE=xsize, YSIZE=ysize, TITLE=title, $
XPOS=xpos, YPOS=ypos, RETAIN=retain, FREE=1
ENDIF ELSE BEGIN
Window, wid, XSIZE=xsize, YSIZE=ysize, TITLE=title, $
XPOS=xpos, YPOS=ypos, RETAIN=retain
ENDELSE
wid = !D.Window
ENDIF ELSE BEGIN
tlb = Widget_Base(TITLE=title, XOFFSET=xpos, YOFFSET=ypos, $
X_SCROLL_SIZE=xsize < maxxsize, Y_SCROLL_SIZE=ysize < maxysize)
draw = Widget_Draw(tlb, XSIZE=xsize, YSIZE=ysize, RETAIN=retain)
Widget_Control, tlb, /Realize
Widget_Control, draw, Get_Value=wid
WSet, wid
ENDELSE
END
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