Linux cli command Tk_FileSelectpm

NAME 🖥️ Tk_FileSelectpm 🖥️

a widget for choosing files

SYNOPSIS

use Tk::FileSelect; $FSref = $top->FileSelect(-directory => $start_dir); $top - a window reference, e.g. MainWindow->new $start_dir - the starting point for the FileSelect $file = $FSref->Show; Executes the fileselector until either a filename is accepted or the user hits Cancel. Returns the filename or the empty string, respectively, and unmaps the FileSelect. $FSref->configure(option => value[, …]) Please see the Populate subroutine as the configuration list changes rapidly.

DESCRIPTION

This Module pops up a Fileselector box, with a directory entry on top, a list of directories in the current directory, a list of files in the current directory, an entry for entering/modifying a file name, an accept button and a cancel button.

You can enter a starting directory in the directory entry. After hitting Return, the listboxes get updated. Double clicking on any directory shows you the respective contents. Single clicking on a file brings it into the file entry for further consideration, double clocking on a file pops down the file selector and calls the optional command with the complete path for the selected file. Hitting return in the file selector box or pressing the accept button will also work. *NOTE* the file selector box will only then get destroyed if the file name is not zero length. If you want yourself take care of it, change the if(length(.. in sub accept_file.

AUTHORS

Based on original FileSelect by Klaus Lichtenwalder, [email protected], Datapat GmbH, Munich, April 22, 1995 adapted by Frederick L. Wagner, [email protected], Texas Instruments Incorporated, Dallas, 21Jun95

HISTORY

950621 – The following changes were made:

• Rewrote Tk stuff to take advantage of new Compound widget module, so FileSelect is now composed of 2 LabEntry and 2 ScrlListbox2 subwidgets.

• Moved entry labels (from to the left of) to above the entry fields.

• Caller is now able to control these aspects of widget, in both FileSelect (new) and configure : (Please see subroutine Populate for details, as these options change rapidly!)

• I changed from Double-Button-1 to Button-1 in the Files listbox, to work with multiple mode in addition to browse mode. I also made some name changes (LastPath –> saved_path, …).

• The show method is not yet updated.

• The topLevel stuff is not done yet. I took it out while I toy with the idea of FileSelect as a subwidget. Then the ’normal’ topLevel thing with Buttons along the bottom could be build on top of it.

• By request of Henry Katz <[email protected]>, I added the functionality of using the Directory entry as a filter. So, if you want to only see the *.c files, you add a .c (the *’s already there :) and hit return.

95/10/17, SOL, LUCC. [email protected]

• Allow either file or directory names to be accepted.

• Require double click to move into a new directory rather than a single click. This allows a single click to select a directory name so it can be accepted.

• Add -verify list option so that standard Perl file test operators (like -d and -x) can be specified for further name validation. The default value is the special value ‘!-d’ (not a directory), so any name can be selected as long as it’s not a directory - after all, this IS FileSelect! For example: $fs->configure(-verify => [-d, [\verify_code, $P1, $P2, … $Pn]]); ensures that the selected name is a directory. Further, if an element of the list is an array reference, the first element is a code reference to a subroutine and the remaining optional elements are its parameters. The subroutine is called like this: &verify_code($cd, $leaf, $P1, $P2, … $Pn); where $cd is the current directory, $leaf is a directory or file name, and $P1 .. $Pn are your optional parameters. The subroutine should return TRUE if success or FALSE if failure.

961008 – [email protected] :

By request of Jim Stern <[email protected]> and Brad Vance <[email protected]>, I updated the Accept and Show functions to support selection of multiple files. I also corrected a typo in the -verify code.

SEE ALSO

Tk::getOpenFile, Tk::FBox.

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