diff options
Diffstat (limited to 'doc/getOpenFile.n')
| -rw-r--r-- | doc/getOpenFile.n | 87 |
1 files changed, 51 insertions, 36 deletions
diff --git a/doc/getOpenFile.n b/doc/getOpenFile.n index b13194b..8162078 100644 --- a/doc/getOpenFile.n +++ b/doc/getOpenFile.n @@ -11,11 +11,11 @@ .SH NAME tk_getOpenFile, tk_getSaveFile \- pop up a dialog box for the user to select a file to open or save. .SH SYNOPSIS +.nf \fBtk_getOpenFile \fR?\fIoption value ...\fR? -.br \fBtk_getSaveFile \fR?\fIoption value ...\fR? +.fi .BE - .SH DESCRIPTION .PP The procedures \fBtk_getOpenFile\fR and \fBtk_getSaveFile\fR pop up a @@ -35,16 +35,20 @@ whether the existing file should be overwritten or not. The following \fIoption\-value\fR pairs are possible as command line arguments to these two commands: .TP +\fB\-confirmoverwrite\fR \fIboolean\fR +Configures how the Save dialog reacts when the selected file already +exists, and saving would overwrite it. A true value requests a +confirmation dialog be presented to the user. A false value requests +that the overwrite take place without confirmation. Default value is true. +.TP \fB\-defaultextension\fR \fIextension\fR Specifies a string that will be appended to the filename if the user enters a filename without an extension. The default value is the empty string, which means no extension will be appended to the filename in -any case. This option is ignored on the Macintosh platform, which +any case. This option is ignored on Mac OS X, which does not require extensions to filenames, -.VS 8.4 and the UNIX implementation guesses reasonable values for this from the \fB\-filetypes\fR option when this is not supplied. -.VE 8.4 .TP \fB\-filetypes\fR \fIfilePatternList\fR If a \fBFile types\fR listbox exists in the file dialog on the particular @@ -61,38 +65,42 @@ Specifies that the files in \fIdirectory\fR should be displayed when the dialog pops up. If this parameter is not specified, then the files in the current working directory are displayed. If the parameter specifies a relative path, the return value will convert the -relative path to an absolute path. This option may not always work on -the Macintosh. This is not a bug. Rather, the \fIGeneral Controls\fR -control panel on the Mac allows the end user to override the -application default directory. +relative path to an absolute path. .TP \fB\-initialfile\fR \fIfilename\fR -Specifies a filename to be displayed in the dialog when it pops up. This -option is ignored on the Macintosh platform. -.TP -\fB\-multiple\fR \fIboolean\fR -Allows the user to choose multiple files from the Open dialog. -On the Macintosh, this is only available when Navigation Services are -installed. +Specifies a filename to be displayed in the dialog when it pops up. .TP \fB\-message\fR \fIstring\fR Specifies a message to include in the client area of the dialog. -This is only available on the Macintosh, and only when Navigation -Services are installed. +This is only available on Mac OS X. +.TP +\fB\-multiple\fR \fIboolean\fR +Allows the user to choose multiple files from the Open dialog. .TP \fB\-parent\fR \fIwindow\fR Makes \fIwindow\fR the logical parent of the file dialog. The file -dialog is displayed on top of its parent window. +dialog is displayed on top of its parent window. On Mac OS X, this +turns the file dialog into a sheet attached to the parent window. .TP \fB\-title\fR \fItitleString\fR Specifies a string to display as the title of the dialog box. If this option is not specified, then a default title is displayed. +.TP +\fB\-typevariable\fR \fIvariableName\fR +The global variable \fIvariableName\fR is used to preselect which filter is +used from \fIfilterList\fR when the dialog box is opened and is +updated when the dialog box is closed, to the last selected +filter. The variable is read once at the beginning to select the +appropriate filter. If the variable does not exist, or its value does +not match any filter typename, or is empty (\fB{}\fR), the dialog box +will revert to the default behavior of selecting the first filter in +the list. If the dialog is canceled, the variable is not modified. .PP If the user selects a file, both \fBtk_getOpenFile\fR and \fBtk_getSaveFile\fR return the full pathname of this file. If the user cancels the operation, both commands return the empty string. .SH "SPECIFYING FILE PATTERNS" - +.PP The \fIfilePatternList\fR value given by the \fB\-filetypes\fR option is a list of file patterns. Each file pattern is a list of the form @@ -111,8 +119,8 @@ they refer to the same file type and share the same entry in the listbox. When the user selects an entry in the listbox, all the files that match at least one of the file patterns corresponding to that entry are listed. Usually, each file pattern corresponds to a -distinct type of file. The use of more than one file patterns for one -type of file is necessary on the Macintosh platform only. +distinct type of file. The use of more than one file pattern for one +type of file is only necessary on the Macintosh platform. .PP On the Macintosh platform, a file matches a file pattern if its name matches at least one of the \fIextension\fR(s) AND it @@ -122,7 +130,7 @@ sample code matches with files that have a \fB\.c\fR extension AND belong to the \fImacType\fR \fBTEXT\fR. To use the OR rule instead, you can use two file patterns, one with the \fIextensions\fR only and the other with the \fImacType\fR only. The \fBGIF Files\fR file type -in the sample code matches files that EITHER have a \fB\.gif\fR +in the sample code matches files that \fIeither\fR have a \fB\.gif\fR extension OR belong to the \fImacType\fR \fBGIFF\fR. .PP On the Unix and Windows platforms, a file matches a file pattern @@ -131,20 +139,29 @@ the file pattern. The \fImacType\fRs are ignored. .SH "SPECIFYING EXTENSIONS" .PP On the Unix and Macintosh platforms, extensions are matched using -glob-style pattern matching. On the Windows platforms, extensions are +glob-style pattern matching. On the Windows platform, extensions are matched by the underlying operating system. The types of possible -extensions are: (1) the special extension * matches any -file; (2) the special extension "" matches any files that -do not have an extension (i.e., the filename contains no full stop -character); (3) any character string that does not contain any wild -card characters (* and ?). +extensions are: +.IP (1) +the special extension +.QW * +matches any file; +.IP (2) +the special extension +.MT +matches any files that do not have an extension (i.e., the filename +contains no full stop character); +.IP (3) +any character string that does not contain any wild card characters (* +and ?). .PP Due to the different pattern matching rules on the various platforms, to ensure portability, wild card characters are not allowed in the -extensions, except as in the special extension *. Extensions -without a full stop character (e.g. ~) are allowed but may not -work on all platforms. - +extensions, except as in the special extension +.QW * . +Extensions without a full stop character (e.g. +.QW ~ ) +are allowed but may not work on all platforms. .SH EXAMPLE .CS set types { @@ -155,15 +172,13 @@ set types { {{GIF Files} {} GIFF} {{All Files} * } } -set filename [tk_getOpenFile -filetypes $types] +set filename [tk_getOpenFile \-filetypes $types] if {$filename != ""} { # Open the file ... } .CE - .SH "SEE ALSO" tk_chooseDirectory - .SH KEYWORDS file selection dialog |