/usr/share/gnudatalanguage/coyote/cgfileselect__define.pro is in gdl-coyote 2016.11.13-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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; This method returns the object properties.
;-
PRO cgFileSelect::GetProperty, $
FILENAME=filename, $
LASTDIR=lastdir, $
PARENT=parent, $
TLB=tlb, $
UNAME=uname, $
UVALUE=uvalue
IF Arg_Present(filename) THEN filename = self.filename
IF Arg_Present(lastdir) THEN lastdir = self.lastdir
IF Arg_Present(parent) THEN parent = self.parent
IF Arg_Present(tlb) THEN tlb = self.tlb
IF Arg_Present(uname) THEN uname = self.uname
IF Arg_Present(uvalue) THEN IF Ptr_Valid(self.uvalue) THEN uvalue = *self.uvalue
END
;+
; This method sets the object properties.
;-
PRO cgFileSelect::SetProperty, $
FILENAME=filename, $
LASTDIR=lastdir, $
UVALUE=uvalue
IF N_Elements(filename) NE 0 THEN BEGIN
self.filename = filename
Widget_Control, self.textID, Set_Value=filename
ENDIF
IF N_Elements(lastdir) NE 0 THEN self.lastdir = lastdir
IF N_Elements(uvalue) NE 0 THEN IF Ptr_Valid(self.uvalue) $
THEN *self.uvalue = uvalue $
ELSE self.uvalue = Ptr_New(uvalue)
END
;+
; The class clean-up method.
;-
PRO cgFileSelect::CLEANUP
Ptr_Free, self.uvalue
END
;+
; The class initialization method.
;
; :Params:
; parent: in, optional
; The identifier of the parent widget. If not used, a top-level base widget
; will be created to hold the contents of the program.
;
; :Keywords:
;
;-
FUNCTION cgFileSelect::INIT, parent, $
FILENAME=filename, $
FRAME=frame, $
LABELSIZE=labelsize, $
NAMESIZE=namesize, $
TITLE=title, $
UNAME=uname, $
UVALUE=uvalue
Compile_Opt idl2
; Error handling for the program module.
Catch, theError
IF theError NE 0 THEN BEGIN
Catch, /Cancel
void = cgErrorMsg()
RETURN, 0
ENDIF
; Need a parent?
IF N_Elements(parent) EQ 0 THEN BEGIN
parent = Widget_Base()
createdParent = 1
ENDIF ELSE createdParent = 0
; Default keyword values.
SetDefaultValue, title, 'Filename: '
SetDefaultValue, filename, ""
SetDefaultValue, labelsize, !D.X_CH_SIZE * StrLen(title)
SetDefaultValue, namesize, 0
SetDefaultValue, uname, 'cgFileSelect'
IF filename EQ "" THEN BEGIN
CD, CURRENT=lastDir
ENDIF ELSE BEGIN
root = cgRootName(filename, DIRECTORY=lastDir)
ENDELSE
; Create the widgets for the program.
tlb = Widget_Base(parent, ROW=1, UVALUE=self, EVENT_PRO='cgFileSelect_Events', FRAME=frame)
labelID = Widget_Label(tlb, Value=title, SCR_XSIZE=labelsize)
IF namesize NE 0 THEN BEGIN
textID = Widget_Label(tlb, Value=filename, /SUNKEN_FRAME, SCR_XSIZE=namesize)
ENDIF ELSE BEGIN
textID = Widget_Label(tlb, Value=filename, /SUNKEN_FRAME, DYNAMIC_RESIZE=1)
ENDELSE
button = Widget_Button(tlb, Value='Browse', UVALUE=self)
; Need to realize the widgets?
IF createdParent THEN BEGIN
cgCenterTLB, parent
Widget_Control, parent, /REALIZE
ENDIF
; Populate the object.
self.filename = filename
self.lastDir = lastDir
self.parent = parent
self.tlb = tlb
self.textID = textID
self.labelID = labelID
self.uname = uname
IF N_Elements(uvalue) NE 0 THEN self.uvalue = Ptr_New(uvalue)
; Need to run the program?
IF createdParent THEN XManager, 'cgfileselect', parent, /No_Block
RETURN, 1
END
;+
; The class event handler. All program widget events come here to be processed.
;
; :Params:
; event: in, required
; The event structure from the widget causing the event.
;+
PRO cgFileSelect_Events, event
Widget_Control, event.id, GET_UVALUE=self
self -> GetProperty, LASTDIR=lastDir, FILENAME=filename, PARENT=parent, TLB=tlb
filename = Dialog_Pickfile(PATH=lastDir, /WRITE, Title='Select File...', $
FILE=cgRootName(filename))
IF filename NE "" THEN BEGIN
rootname = cgRootName(filename, DIRECTORY=lastDir)
self -> SetProperty, FILENAME=filename, LASTDIR=lastDir
ENDIF
END
;+
; The class definition module for the cgFileSelect object.
;
; :Params:
; class: out, optional, type=structure
; The structure definition for the cgFileSelect object class.
;-
PRO cgFileSelect__Define, class
class = { cgFileSelect, $
filename: "", $
labelID: 0L, $
lastDir: "", $
parent: 0L, $
tlb: 0L, $
textID: 0L, $
uname: "", $
uvalue: Ptr_New() $
}
END
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