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XMH(1) General Commands Manual XMH(1) NAME xmh - send and read mail with an X interface to MH SYNOPSIS xmh [-path mailpath] [-initial foldername] [-flag] [-toolkitoption ...] DESCRIPTION The xmh program provides a graphical user interface to the MH Message Handling System. To actually do things with your mail, it makes calls to the MH package. Electronic mail messages may be composed, sent, re- ceived, replied to, forwarded, sorted, and stored in folders. xmh pro- vides extensive mechanism for customization of the user interface. This document introduces many aspects of the Athena Widget Set. OPTIONS -path directory This option specifies an alternate collection of mail folders in which to process mail. The directory is specified as an ab- solute pathname. The default mail path is the value of the Path component in the MH profile, which is determined by the MH environment variable and defaults to $HOME/.mh_profile. $HOME/Mail will be used as the path if the MH Path is not given in the profile. -initial folder This option specifies an alternate folder which may receive new mail and is initially opened by xmh. The default initial folder is ``inbox''. -flag This option will cause xmh to change the appearance of appro- priate folder buttons and to request the window manager to change the appearance of the xmh icon when new mail has ar- rived. By default, xmh will change the appearance of the ``in- box'' folder button when new mail is waiting. The application- specific resource checkNewMail can be used to turn off this no- tification, and the -flag option will still override it. These three options have corresponding application-specific resources, MailPath, InitialFolder, and MailWaitingFlag, which can be specified in a resource file. The standard toolkit command line options are given in X(7). -help This option indicates that xmh should print a usage message and exit. -version This option indicates that xmh should print version info and exit. INSTALLATION xmh requires that the user is already set up to use MH, version 6. To do so, see if there is a file called .mh_profile in your home direc- tory. If it exists, check to see if it contains a line that starts with ``Current-Folder''. If it does, you've been using version 4 or earlier of MH; to convert to version 6, you must remove that line. (Failure to do so causes spurious output to stderr, which can hang xmh depending on your setup.) If you do not already have a .mh_profile, you can create one (and everything else you need) by typing ``inc'' to the shell. You should do this before using xmh to incorporate new mail. For more information, refer to the mh(1) documentation. Much of the user interface of xmh is configured in the Xmh application class defaults file; if this file was not installed properly a warning message will appear when xmh is used. xmh is backwards compatible with the R4 application class defaults file. The default value of the SendBreakWidth resource has changed since R4. BASIC SCREEN LAYOUT xmh starts out with a single window, divided into four major areas: - Six buttons with pull-down command menus. - A collection of buttons, one for each top level folder. New users of MH will have two folders, ``drafts'' and ``inbox''. - A listing, or Table of Contents, of the messages in the open folder. Initially, this will show the messages in ``inbox''. - A view of one of your messages. Initially this is blank. XMH AND THE ATHENA WIDGET SET xmh uses the X Toolkit Intrinsics and the Athena Widget Set. Many of the features described below (scrollbars, buttonboxes, etc.) are actu- ally part of the Athena Widget Set, and are described here only for completeness. For more information, see the Athena Widget Set documen- tation. SCROLLBARS Some parts of the main window will have a vertical area on the left containing a grey bar. This area is a scrollbar. They are used when- ever the data in a window takes up more space than can be displayed. The grey bar indicates what portion of your data is visible. Thus, if the entire length of the area is grey, then you are looking at all your data. If only the first half is grey, then you are looking at the top half of your data. The message viewing area will have a horizontal scrollbar if the text of the message is wider than the viewing area. You can use the pointer in the scrollbar to change what part of the data is visible. If you click with pointer button 2, the top of the grey area will move to where the pointer is, and the corresponding por- tion of data will be displayed. If you hold down pointer button 2, you can drag around the grey area. This makes it easy to get to the top of the data: just press with button 2, drag off the top of the scrollbar, and release. If you click with button 1, then the data to the right of the pointer will scroll to the top of the window. If you click with pointer button 3, then the data at the top of the window will scroll down to where the pointer is. BUTTONBOXES, BUTTONS, AND MENUS Any area containing many words or short phrases, each enclosed in a rectangular or rounded boundary, is called a buttonbox. Each rectangle or rounded area is actually a button that you can press by moving the pointer onto it and pressing pointer button 1. If a given buttonbox has more buttons in it than can fit, it will be displayed with a scrollbar, so you can always scroll to the button you want. Some buttons have pull-down menus. Pressing the pointer button while the pointer is over one of these buttons will pull down a menu. Con- tinuing to hold the button down while moving the pointer over the menu, called dragging the pointer, will highlight each selectable item on the menu as the pointer passes over it. To select an item in the menu, re- lease the pointer button while the item is highlighted. ADJUSTING THE RELATIVE SIZES OF AREAS If you're not satisfied with the sizes of the various areas of the main window, they can easily be changed. Near the right edge of the border between each region is a black box, called a grip. Simply point to that grip with the pointer, press a pointer button, drag up or down, and release. Exactly what happens depends on which pointer button you press. If you drag with the pointer button 2, then only that border will move. This mode is simplest to understand, but is the least useful. If you drag with pointer button 1, then you are adjusting the size of the window above. xmh will attempt to compensate by adjusting some window below it. If you drag with pointer button 3, then you are adjusting the size of the window below. xmh will attempt to compensate by adjusting some window above it. All windows have a minimum and maximum size; you will never be allowed to move a border past the point where it would make a window have an invalid size. PROCESSING YOUR MAIL This section will define the concepts of the selected folder, current folder, selected message(s), current message, selected sequence, and current sequence. Each xmh command is introduced. For use in customization, action procedures corresponding to each com- mand are given; these action procedures can be used to customize the user interface, particularly the keyboard accelerators and the func- tionality of the buttons in the optional button box created by the ap- plication resource CommandButtonCount. FOLDERS AND SEQUENCES A folder contains a collection of mail messages, or is empty. xmh sup- ports folders with one level of subfolders. The selected folder is whichever foldername appears in the bar above the folder buttons. Note that this is not necessarily the same folder that is currently being viewed. To change the selected folder, just press on the desired folder button with pointer button 1; if that folder has subfolders, select a folder from the pull-down menu. The Table of Contents, or toc, lists the messages in the viewed folder. The title bar above the Table of Contents displays the name of the viewed folder. The toc title bar also displays the name of the viewed sequence of mes- sages within the viewed folder. Every folder has an implicit ``all'' sequence, which contains all the messages in the folder, and initially the toc title bar will show ``inbox:all''. FOLDER COMMANDS The Folder command menu contains commands of a global nature: Open Folder Display the data in the selected folder. Thus, the selected folder also becomes the viewed folder. The action procedure corresponding to this command is XmhOpenFolder([foldername]). It takes an optional argument as the name of a folder to select and open; if no folder is specified, the selected folder is opened. It may be specified as part of an event translation from a folder menu button or from a folder menu, or as a bind- ing of a keyboard accelerator to any widget other than the folder menu buttons or the folder menus. Open Folder in New Window Displays the selected folder in an additional main window. Note, however, that you cannot reliably display the same folder in more than one window at a time, although xmh will not pre- vent you from trying. The corresponding action is XmhOpen- FolderInNewWindow(). Create Folder Create a new folder. You will be prompted for a name for the new folder; to enter the name, move the pointer to the blank box provided and type. Subfolders are created by specifying the parent folder, a slash, and the subfolder name. For exam- ple, to create a folder named ``xmh'' which is a subfolder of an existing folder named ``clients'', type ``clients/xmh''. Click on the Okay button when finished, or just type Return; click on Cancel to cancel this operation. The action corre- sponding to Create Folder is XmhCreateFolder(). Delete Folder Destroy the selected folder. You will be asked to confirm this action (see CONFIRMATION WINDOWS). Destroying a folder will also destroy any subfolders of that folder. The corresponding action is XmhDeleteFolder(). Close Window Exits xmh, after first confirming that you won't lose any changes; or, if selected from any additional xmh window, simply closes that window. The corresponding action is XmhClose(). HIGHLIGHTED MESSAGES, SELECTED MESSAGES, AND THE CURRENT MESSAGE It is possible to highlight a set of adjacent messages in the area of the Table of Contents. To highlight a message, click on it with pointer button 1. To highlight a range of messages, click on the first one with pointer button 1 and on the last one with pointer button 3; or press pointer button 1, drag, and release. To extend a range of se- lected messages, use pointer button 3. To highlight all messages in the table of contents, click rapidly three times with pointer button 1. To cancel any selection in the table of contents, click rapidly twice. The selected messages are the same as the highlighted messages, if any. If no messages are highlighted, then the selected messages are consid- ered the same as the current message. The current message is indicated by a `+' next to the message number. It usually corresponds to the message currently being viewed. Upon opening a new folder, for example, the current message will be differ- ent from the viewed message. When a message is viewed, the title bar above the view will identify the message. TABLE OF CONTENTS COMMANDS The Table of Contents command menu contains commands which operate on the open, or viewed, folder. Incorporate New Mail Add any new mail received to viewed folder, and set the current message to be the first new message. This command is selectable in the menu and will exe- cute only if the viewed folder is allowed to receive new mail. By default, only ``inbox'' is allowed to incorporate new mail. The corresponding action is XmhIncorporateNewMail(). Commit Changes Execute all deletions, moves, and copies that have been marked in this folder. The corresponding action is XmhCommitChanges(). Pack Folder Renumber the messages in this folder so they start with 1 and increment by 1. The corresponding action is XmhPackFolder(). Sort Folder Sort the messages in this folder in chronological or- der. (As a side effect, this may also pack the folder.) The corresponding action is XmhSort- Folder(). Rescan Folder Rebuild the list of messages. This can be used when- ever you suspect that xmh's idea of what messages you have is wrong. (In particular, this is necessary if you change things using straight MH commands without using xmh.) The corresponding action is XmhForceRes- can(). MESSAGE COMMANDS The Message command menu contains commands which operate on the se- lected message(s), or if there are no selected messages, the current message. Compose Message Composes a new message. A new window will be brought up for composition; a description of it is given in the COMPOSITION WINDOWS section below. This command does not affect the current message. The correspond- ing action is XmhComposeMessage(). View Next Message View the first selected message. If no messages are highlighted, view the current message. If current message is already being viewed, view the first un- marked message after the current message. The corre- sponding action is XmhViewNextMessage(). View Previous View the last selected message. If no messages are highlighted, view the current message. If current message is already being viewed, view the first un- marked message before the current message. The cor- responding action is XmhViewPrevious(). Delete Mark the selected messages for deletion. If no mes- sages are highlighted, mark the current message for deletion and automatically display the next unmarked message. The corresponding action is Xmh- MarkDelete(). Move Mark the selected messages to be moved into the cur- rently selected folder. (If the selected folder is the same as the viewed folder, this command will just beep.) If no messages are highlighted, mark the cur- rent message to be moved and display the next un- marked message. The corresponding action is XmhMark- Move(). Copy as Link Mark the selected messages to be copied into the se- lected folder. (If the selected folder is the same as the viewed folder, this command will just beep.) If no messages are highlighted, mark the current mes- sage to be copied. Note that messages are actually linked, not copied; editing a message copied by xmh will affect all copies of the message. The corre- sponding action is XmhMarkCopy(). Unmark Remove any of the above three marks from the selected messages, or the current message, if none are high- lighted. The corresponding action is XmhUnmark(). View in New Create a new window containing only a view of the first selected message, or the current message, if none are highlighted. The corresponding action is XmhViewInNewWindow(). Reply Create a composition window in reply to the first se- lected message, or the current message, if none are highlighted. The corresponding action is XmhReply(). Forward Create a composition window whose body is initialized to contain an encapsulation of of the selected mes- sages, or the current message if none are high- lighted. The corresponding action is XmhForward(). Use as Composition Create a composition window whose body is initialized to be the contents of the first selected message, or the current message if none are selected. Any changes you make in the composition will be saved in a new message in the ``drafts'' folder, and will not change the original message. However, there is an exception to this rule. If the message to be used as composition was selected from the ``drafts'' folder, (see BUGS), the changes will be reflected in the original message (see COMPOSITION WINDOWS). The ac- tion procedure corresponding to this command is XmhUseAsComposition(). Print Print the selected messages, or the current message if none are selected. xmh normally prints by invok- ing the enscript(1) command, but this can be cus- tomized with the xmh application-specific resource PrintCommand. The corresponding action is Xmh- Print(). SEQUENCE COMMANDS The Sequence command menu contains commands pertaining to message se- quences (See MESSAGE-SEQUENCES), and a list of the message-sequences defined for the currently viewed folder. The selected message-sequence is indicated by a check mark in its entry in the margin of the menu. To change the selected message-sequence, select a new message-sequence from the sequence menu. Pick Messages Define a new message-sequence. The corresponding ac- tion is XmhPickMessages(). The following menu entries will be sensitive only if the current folder has any message-sequences other than the ``all'' message-sequence. Open Sequence Change the viewed sequence to be the same as the se- lected sequence. The corresponding action is XmhOpenSequence(). Add to Sequence Add the selected messages to the selected sequence. The corresponding action is XmhAddToSequence(). Remove from Sequence Remove the selected messages from the selected se- quence. The corresponding action is XmhRemoveFromSe- quence(). Delete Sequence Remove the selected sequence entirely. The messages themselves are not affected; they simply are no longer grouped together to define a message-sequence. The corresponding action is XmhDeleteSequence(). VIEW COMMANDS Commands in the View menu and in the buttonboxes of view windows (which result from the Message menu command View In New) correspond in func- tionality to commands of the same name in the Message menu, but they operate on the viewed message rather than the selected messages or cur- rent message. Close Window When the viewed message is in a separate view window, this command will close the view, after confirming the status of any unsaved edits. The corresponding action procedure is XmhCloseView(). Reply Create a composition window in reply to the viewed message. The related action procedure is XmhViewRe- ply(). Forward Create a composition window whose body is initialized contain an encapsulation of the viewed message. The corresponding action is XmhViewForward(). Use As Composition Create a composition window whose body is initialized to be the contents of the viewed message. Any changes made in the composition window will be saved in a new message in the ``drafts'' folder, and will not change the original message. An exception: if the viewed message was selected from the ``drafts'' folder, (see BUGS) the original message is edited. The action procedure corresponding to this command is XmhViewUseAsComposition(). Edit Message This command enables the direct editing of the viewed message. The action procedure is XmhEditView(). Save Message This command is insensitive until the message has been edited; when activated, edits will be saved to the original message in the view. The corresponding action is XmhSaveView(). Print Print the viewed message. xmh prints by invoking the enscript(1) command, but this can be customized with the application-specific resource PrintCommand. The corresponding action procedure is XmhPrintView(). Delete Marks the viewed message for deletion. The corre- sponding action procedure is XmhViewMarkDelete(). OPTIONS The Options menu contains one entry. Read in Reverse When selected, a check mark appears in the margin of this menu entry. Read in Reverse will switch the meaning of the next and previous messages, and will increment to the current message marker in the opposite direction. This is useful if you want to read your messages in the order of most recent first. The op- tion acts as a toggle; select it from the menu a second time to undo the effect. The check mark appears when the option is se- lected. COMPOSITION WINDOWS Composition windows are created by selecting Compose Message from the Message command menu, or by selecting Reply or Forward or Use as Compo- sition from the Message or View command menu. These are used to com- pose mail messages. Aside from the normal text editing functions, there are six command buttons associated with composition windows: Close Window Close this composition window. If changes have been made since the most recent Save or Send, you will be asked to confirm losing them. The corresponding ac- tion is XmhCloseView(). Send Send this composition. The corresponding action is XmhSend(). New Headers Replace the current composition with an empty mes- sage. If changes have been made since the most re- cent Send or Save, you will be asked to confirm los- ing them. The corresponding action is XmhResetCom- pose(). Compose Message Bring up another new composition window. The corre- sponding action is XmhComposeMessage(). Save Message Save this composition in your drafts folder. Then you can safely close the composition. At some future date, you can continue working on the composition by opening the drafts folder, selecting the message, and using the ``Use as Composition'' command. The corre- sponding action is XmhSave(). Insert Insert a related message into the composition. If the composition window was created with a ``Reply'' command, the related message is the message being replied to, otherwise no related message is defined and this button is insensitive. The message may be filtered before being inserted; see ReplyInsertFilter under APPLICATION RESOURCES for more information. The corresponding action is XmhInsert(). ACCELERATORS Accelerators are shortcuts. They allow you to invoke commands without using the menus, either from the keyboard or by using the pointer. xmh defines pointer accelerators for common actions: To select and view a message with a single click, use pointer button 2 on the message's entry in the table of contents. To select and open a folder or a se- quence in a single action, make the folder or sequence selection with pointer button 2. To mark the highlighted messages, or current message if none have been highlighted, to be moved to a folder in a single action, use pointer button 3 to select the target folder and simultaneously mark the mes- sages. Similarly, selecting a sequence with pointer button 3 will add the highlighted or current message(s) to that sequence. In both of these operations, the selected folder or sequence and the viewed folder or sequence are not changed. xmh defines the following keyboard accelerators over the surface of the main window, except in the view area while editing a message: Meta-I Incorporate New Mail Meta-C Commit Changes Meta-R Rescan Folder Meta-P Pack Folder Meta-S Sort Folder Meta-space View Next Message Meta-c Mark Copy Meta-d Mark Deleted Meta-f Forward the selected or current message Meta-m Mark Move Meta-n View Next Message Meta-p View Previous Message Meta-r Reply to the selected or current message Meta-u Unmark Ctrl-V Scroll the table of contents forward Meta-V Scroll the table of contents backward Ctrl-v Scroll the view forward Meta-v Scroll the view backward TEXT EDITING COMMANDS All of the text editing commands are actually defined by the Text wid- get in the Athena Widget Set. The commands may be bound to different keys than the defaults described below through the X Toolkit Intrinsics key re-binding mechanisms. See the X Toolkit Intrinsics and the Athena Widget Set documentation for more details. Whenever you are asked to enter any text, you will be using a standard text editing interface. Various control and meta keystroke combina- tions are bound to a somewhat Emacs-like set of commands. In addition, the pointer buttons may be used to select a portion of text or to move the insertion point in the text. Pressing pointer button 1 causes the insertion point to move to the pointer. Double-clicking button 1 se- lects a word, triple-clicking selects a line, quadruple-clicking se- lects a paragraph, and clicking rapidly five times selects everything. Any selection may be extended in either direction by using pointer but- ton 3. In the following, a line refers to one displayed row of characters in the window. A paragraph refers to the text between carriage returns. Text within a paragraph is broken into lines for display based on the current width of the window. When a message is sent, text is broken into lines based upon the values of the SendBreakWidth and SendWidth application-specific resources. The following keystroke combinations are defined: Ctrl-a Beginning Of Line Ctrl-b Backward Character Ctrl-d Delete Next Character Ctrl-e End Of Line Ctrl-f Forward Character Ctrl-g Multiply Reset Ctrl-h Delete Previous Character Ctrl-j Newline And Indent Ctrl-k Kill To End Of Line Ctrl-l Redraw Display Ctrl-m Newline Ctrl-n Next Line Ctrl-o Newline And Backup Ctrl-p Previous Line Ctrl-r Search/Replace Backward Ctrl-s Search/Replace Forward Ctrl-t Transpose Characters Ctrl-u Multiply by 4 Ctrl-v Next Page Ctrl-w Kill Selection Ctrl-y Unkill Ctrl-z Scroll One Line Up Meta-b Backward Word Meta-f Forward Word Meta-i Insert File Meta-k Kill To End Of Paragraph Meta-q Form Paragraph Meta-v Previous Page Meta-y Insert Current Selection Meta-z Scroll One Line Down Meta-d Delete Next Word Meta-D Kill Word Meta-h Delete Previous Word Meta-H Backward Kill Word Meta-< Beginning Of File Meta-> End Of File Meta-] Forward Paragraph Meta-[ Backward Paragraph Meta-Delete Delete Previous Word Meta-Shift Delete Kill Previous Word Meta-Backspace Delete Previous Word Meta-Shift Backspace Kill Previous Word In addition, the pointer may be used to copy and paste text: Button 1 Down Start Selection Button 1 Motion Adjust Selection Button 1 Up End Selection (copy) Button 2 Down Insert Current Selection (paste) Button 3 Down Extend Current Selection Button 3 Motion Adjust Selection Button 3 Up End Selection (copy) CONFIRMATION DIALOG BOXES Whenever you press a button that may cause you to lose some work or is otherwise dangerous, a popup dialog box will appear asking you to con- firm the action. This window will contain an ``Abort'' or ``No'' but- ton and a ``Confirm'' or ``Yes'' button. Pressing the ``No'' button cancels the operation, and pressing the ``Yes'' will proceed with the operation. When xmh is run under a Release 6 session manager it will prompt the user for confirmation during a checkpoint operation. The dialog box asks whether any current changes should be committed (saved) during the checkpoint. Responding ``Yes'' will have the same effect as pressing the ``Commit Changes'' or ``Save Message'' buttons in the respective folder and view windows. Responding ``No'' will cause the checkpoint to continue successfully to completion without actually saving any pending changes. If the session manager disallows user interaction during the checkpoint a ``Yes'' response is assumed; i.e. all changes will be committed during the checkpoint. Some dialog boxes contain messages from MH. Occasionally when the mes- sage is more than one line long, not all of the text will be visible. Clicking on the message field will cause the dialog box to resize so that you can read the entire message. MESSAGE-SEQUENCES An MH message sequence is just a set of messages associated with some name. They are local to a particular folder; two different folders can have sequences with the same name. The sequence named ``all'' is pre- defined in every folder; it consists of the set of all messages in that folder. As many as nine sequences may be defined for each folder, in- cluding the predefined ``all'' sequence. (The sequence ``cur'' is also usually defined for every folder; it consists of only the current mes- sage. xmh hides ``cur'' from the user, instead placing a ``+'' by the current message. Also, xmh does not support MH's``unseen'' sequence, so that one is also hidden from the user.) The message sequences for a folder (including one for ``all'') are dis- played in the ``Sequence'' menu, below the sequence commands. The ta- ble of contents (also known as the ``toc'') is at any one time display- ing one message sequence. This is called the ``viewed sequence'', and its name will be displayed in the toc title bar after the folder name. Also, at any time one of the sequences in the menu will have a check mark next to it. This is called the ``selected sequence''. Note that the viewed sequence and the selected sequence are not necessarily the same. (This all pretty much corresponds to the way folders work.) The Open Sequence, Add to Sequence, Remove from Sequence, and Delete Sequence commands are active only if the viewed folder contains mes- sage-sequences other than ``all'' sequence. Note that none of the above actually affect whether a message is in the folder. Remember that a sequence is a set of messages within the folder; the above operations just affect what messages are in that set. To create a new sequence, select the ``Pick'' menu entry. A new window will appear, with lots of places to enter text. Basically, you can de- scribe the sequence's initial set of messages based on characteristics of the message. Thus, you can define a sequence to be all the messages that were from a particular person, or with a particular subject, and so on. You can also connect things up with boolean operators, so you can select all things from ``weissman'' with a subject containing ``xmh''. The layout should be fairly obvious. The simplest cases are the easi- est: just point to the proper field and type. If you enter in more than one field, it will only select messages which match all non-empty fields. The more complicated cases arise when you want things that match one field or another one, but not necessarily both. That's what all the ``or'' buttons are for. If you want all things with subjects that in- clude ``xmh'' or ``xterm'', just press the ``or'' button next to the ``Subject:'' field. Another box will appear where you can enter an- other subject. If you want all things either from ``weissman'' or with subject ``xmh'', but not necessarily both, select the ``-Or-'' button. This will essentially double the size of the form. You can then enter ``weissman'' in a from: box on the top half, and ``xmh'' in a subject: box on the lower part. If you select the ``Skip'' button, then only those messages that don't match the fields on that row are included. Finally, in the bottom part of the window will appear several more boxes. One is the name of the sequence you're defining. (It defaults to the name of the selected sequence when ``Pick'' was pressed, or to ``temp'' if ``all'' was the selected sequence.) Another box defines which sequence to look through for potential members of this sequence; it defaults to the viewed sequence when ``Pick'' was pressed. Two more boxes define a date range; only messages within that date range will be considered. These dates must be entered in RFC 822-style format: each date is of the form ``dd mmm yy hh:mm:ss zzz'', where dd is a one or two digit day of the month, mmm is the three-letter abbre- viation for a month, and yy is a year. The remaining fields are op- tional: hh, mm, and ss specify a time of day, and zzz selects a time zone. Note that if the time is left out, it defaults to midnight; thus if you select a range of ``7 nov 86'' - ``8 nov 86'', you will only get messages from the 7th, as all messages on the 8th will have arrived af- ter midnight. ``Date field'' specifies which field in the header to look at for this date range; it defaults to ``Date''. If the sequence you're defining already exists, you can optionally merge the old set with the new; that's what the ``Yes'' and ``No'' buttons are all about. Finally, you can ``OK'' the whole thing, or ``Cancel'' it. In general, most people will rarely use these features. However, it's nice to occasionally use ``Pick'' to find some messages, look through them, and then hit ``Delete Sequence'' to put things back in their original state. WIDGET HIERARCHY In order to specify resources, it is useful to know the hierarchy of widgets which compose xmh. In the notation below, indentation indi- cates hierarchical structure. The widget class name is given first, followed by the widget instance name. The application class name is Xmh. The hierarchy of the main toc and view window is identical for addi- tional toc and view windows, except that a TopLevelShell widget is in- serted in the hierarchy between the application shell and the Paned widget. Xmh xmh Paned xmh SimpleMenu folderMenu SmeBSB open SmeBSB openInNew SmeBSB create SmeBSB delete SmeLine line SmeBSB close SimpleMenu tocMenu SmeBSB inc SmeBSB commit SmeBSB pack SmeBSB sort SmeBSB rescan SimpleMenu messageMenu SmeBSB compose SmeBSB next SmeBSB prev SmeBSB delete SmeBSB move SmeBSB copy SmeBSB unmark SmeBSB viewNew SmeBSB reply SmeBSB forward SmeBSB useAsComp SmeBSB print SimpleMenu sequenceMenu SmeBSB pick SmeBSB openSeq SmeBSB addToSeq SmeBSB removeFromSeq SmeBSB deleteSeq SmeLine line SmeBSB all SimpleMenu viewMenu SmeBSB reply SmeBSB forward SmeBSB useAsComp SmeBSB edit SmeBSB save SmeBSB print SimpleMenu optionMenu SmeBSB reverse Viewport.Core menuBox.clip Box menuBox MenuButton folderButton MenuButton tocButton MenuButton messageButton MenuButton sequenceButton MenuButton viewButton MenuButton optionButton Grip grip Label folderTitlebar Grip grip Viewport.Core folders.clip Box folders MenuButton inbox MenuButton drafts SimpleMenu menu SmeBSB <folder_name> . . . Grip grip Label tocTitlebar Grip grip Text toc Scrollbar vScrollbar Grip grip Label viewTitlebar Grip grip Text view Scrollbar vScrollbar Scrollbar hScrollbar The hierarchy of the Create Folder popup dialog box: TransientShell prompt Dialog dialog Label label Text value Command okay Command cancel The hierarchy of the Notice dialog box, which reports messages from MH: TransientShell notice Dialog dialog Label label Text value Command confirm The hierarchy of the Confirmation dialog box: TransientShell confirm Dialog dialog Label label Command yes Command no The hierarchy of the dialog box which reports errors: TransientShell error Dialog dialog Label label Command OK The hierarchy of the composition window: TopLevelShell xmh Paned xmh Label composeTitlebar Text comp Viewport.Core compButtons.clip Box compButtons Command close Command send Command reset Command compose Command save Command insert The hierarchy of the view window: TopLevelShell xmh Paned xmh Label viewTitlebar Text view Viewport.Core viewButtons.clip Box viewButtons Command close Command reply Command forward Command useAsComp Command edit Command save Command print Command delete The hierarchy of the pick window: (Unnamed widgets have no name.) TopLevelShell xmh Paned xmh Label pickTitlebar Viewport.Core pick.clip Form form Form groupform The first 6 rows of the pick window have identical structure: Form rowform Toggle Toggle Label Text Command Form rowform Toggle Toggle Text Text Command Form rowform Command Viewport.core pick.clip Form form From groupform Form rowform Label Text Label Text Form rowform Label Text Label Text Label Text Form rowform Label Toggle Toggle Form rowform Command Command APPLICATION-SPECIFIC RESOURCES The application class name is Xmh. Application-specific resources are listed below by name. Application-specific resource class names always begin with an upper case character, but unless noted, are otherwise identical to the instance names given below. Any of these options may also be specified on the command line by using the X Toolkit Intrinsics resource specification mechanism. Thus, to run xmh showing all message headers, % xmh -xrm '*HideBoringHeaders:off' If TocGeometry, ViewGeometry, CompGeometry, or PickGeometry are not specified, then the value of Geometry is used instead. If the result- ing height is not specified (e.g., "", "=500", "+0-0"), then the de- fault height of windows is calculated from fonts and line counts. If the width is not specified (e.g., "", "=x300", "-0+0"), then half of the display width is used. If unspecified, the height of a pick window defaults to half the height of the display. The following resources are defined: banner A short string that is the default label of the folder, Table of Contents, and view. The default shows the program name, vendor, and release. blockEventsOnBusy Whether to disallow user input and show a busy cursor while xmh is busy processing a command. If false, the user can `mouse ahead' and type ahead; if true, user input is discarded when processing lengthy mh commands. The default is true. busyCursor The name of the symbol used to represent the position of the pointer, displayed if blockEventsOnBusy is true, when xmh is processing a time-consuming command. The default is "watch". busyPointerColor The foreground color of the busy cursor. Default is XtDefault- Foreground. checkFrequency How often to check for new mail, make checkpoints, and rescan the Table of Contents, in minutes. If checkNewMail is true, xmh checks to see if you have new mail each interval. If makeCheckpoints is true, checkpoints are made every fifth in- terval. Also every fifth interval, the Table of Contents is checked for inconsistencies with the file system, and rescanned if out of date. To prevent all of these checks from occurring, set CheckFrequency to 0. The default is 1. This resource is retained for backward compatibility with user resource files; see also checkpointInterval, mailInterval, and rescanInterval. checkNewMail If true, xmh will check at regular intervals to see if new mail has arrived for any of the top level folders and any opened subfolders. A visual indication will be given if new mail is waiting to be incorporated into a top level folder. Default is true. The interval can be adjusted with mailInterval. checkpointInterval (class Interval) Specifies in minutes how often to make checkpoints of volatile state, if makeCheckpoints is true. The default is 5 times the value of checkFrequency. checkpointNameFormat Specifies how checkpointed files are to be named. The value of this resource will be used to compose a file name by inserting the message number as a string in place of the required single occurrence of `%d'. If the value of the resource is the empty string, or if no `%d' occurs in the string, or if "%d" is the value of the resource, the default will be used instead. The default is "%d.CKP". Checkpointing is done in the folder of origin unless an absolute pathname is given. xmh does not as- sist the user in recovering checkpoints, nor does it provide for removal of the checkpoint files. commandButtonCount The number of command buttons to create in a button box in be- tween the toc and the view areas of the main window. xmh will create these buttons with the names button1, button2 and so on, in a box with the name commandBox. The default is 0. xmh users can specify labels and actions for the buttons in a pri- vate resource file; see the section ACTIONS AND INTERFACE CUS- TOMIZATION. compGeometry Initial geometry for windows containing compositions. cursor The name of the symbol used to represent the pointer. Default is ``left_ptr''. debug Whether or not to print information to stderr as xmh runs. De- fault is false. draftsFolder The folder used for message drafts. Default is ``drafts''. geometry Default geometry to use. Default is none. hideBoringHeaders If ``on'', then xmh will attempt to skip uninteresting header lines within messages by scrolling them off the top of the view. Default is ``on''. initialFolder Which folder to display on startup. May also be set with the command-line option -initial. Default is ``inbox''. initialIncFile The absolute path name of your incoming mail drop file. In some installations, for example those using the Post Office Protocol, no file is appropriate. In this case, initialIncFile should not be specified, or may be specified as the empty string, and inc will be invoked without a -file argument. By default, this resource has no value. This resource is ignored if xmh finds an .xmhcheck file; see the section on multiple mail drops. mailInterval (class Interval) Specifies the interval in minutes at which the mail should be checked, if mailWaitingFlag or checkNewMail is true. The de- fault is the value of checkFrequency. mailPath The full path prefix for locating your mail folders. May also be set with the command line option, -path. The default is the Path component in the MH profile, or ``$HOME/Mail'' if none. mailWaitingFlag If true, xmh will attempt to set an indication in its icon when new mail is waiting to be retrieved. If mailWaitingFlag is true, then checkNewMail is assumed to be true as well. The -flag command line option is a quick way to turn on this re- source. makeCheckpoints If true, xmh will attempt to save checkpoints of volatile ed- its. The default is false. The frequency of checkpointing is controlled by the resource checkpointInterval. For the loca- tion of checkpointing, see checkpointNameFormat. mhPath What directory in which to find the MH commands. If a command isn't found in the user's path, then the path specified here is used. Default is ``/usr/local/mh6''. newMailBitmap (class NewMailBitmap) The bitmap to show in the folder button when a folder has new mail. The default is ``black6''. newMailIconBitmap (class NewMailBitmap) The bitmap suggested to the window manager for the icon when any folder has new mail. The default is ``flagup''. noMailBitmap (class NoMailBitmap) The bitmap to show in the folder button when a folder has no new mail. The default is ``box6''. noMailIconBitmap (class NoMailBitmap) The bitmap suggested to the window manager for the icon when no folders have new mail. The default is ``flagdown''. pickGeometry Initial geometry for pick windows. pointerColor The foreground color of the pointer. Default is XtDefaultFore- ground. prefixWmAndIconName Whether to prefix the window and icon name with "xmh: ". De- fault is true. printCommand An sh command to execute to print a message. Note that stdout and stderr must be specifically redirected. If a message or range of messages is selected for printing, the full file paths of each message file are appended to the specified print com- mand. The default is ``enscript >/dev/null 2>/dev/null''. replyInsertFilter An sh command to be executed when the Insert button is acti- vated in a composition window. The full path and filename of the source message is appended to the command before being passed to sh(1). The default filter is cat; i.e. it inserts the entire message into the composition. Interesting filters are: sed 's/^/> /' or awk -e '{print " " $0}' or <mh direc- tory>/lib/mhl -form mhl.body. rescanInterval (class Interval) How often to check the Table of Contents of currently viewed folders and of folders with messages currently being viewed, and to update the Table of Contents if xmh sees inconsistencies with the file system in these folders. The default is 5 times the value of checkFrequency. reverseReadOrder When true, the next message will be the message prior to the current message in the table of contents, and the previous mes- sage will be the message after the current message in the table of contents. The default is false. sendBreakWidth When a message is sent from xmh, lines longer than this value will be split into multiple lines, each of which is no longer than SendWidth. This value may be overridden for a single mes- sage by inserting an additional line in the message header of the form SendBreakWidth: value. This line will be removed from the header before the message is sent. The default is 2000 (to allow for sending mail containing source patches). sendWidth When a message is sent from xmh, lines longer than SendBreak- Width characters will be split into multiple lines, each of which is no longer than this value. This value may be overrid- den for a single message by inserting an additional line in the message header of the form SendWidth: value. This line will be removed from the header before the message is sent. The de- fault is 72. showOnInc Whether to automatically show the current message after incor- porating new mail. Default is true. skipCopied Whether to skip over messages marked for copying when using ``View Next Message'' and ``View Previous Message''. Default is true. skipDeleted Whether to skip over messages marked for deletion when using ``View Next Message'' and ``View Previous Message''. Default is true. skipMoved Whether to skip over messages marked for moving to other fold- ers when using ``View Next Message'' and ``View Previous Mes- sage''. Default is true. stickyMenu If true, when popup command menus are used, the most recently selected entry will be under the cursor when the menu pops up. Default is false. See the file clients/xmh/Xmh.sample for an example of how to specify resources for popup command menus. tempDir Directory for xmh to store temporary files. For privacy, a user might want to change this to a private directory. Default is ``/tmp''. tocGeometry Initial geometry for main xmh toc and view windows. tocPercentage The percentage of the main window that is used to display the Table of Contents. Default is 33. tocWidth How many characters to generate for each message in a folder's table of contents. Default is 100. Use less if the geometry of the main xmh window results in the listing being clipped at the right hand boundary, or if you plan to use mhl a lot, be- cause it will be faster, and the extra characters may not be useful. viewGeometry Initial geometry for windows showing a view of a message. MULTIPLE MAIL DROPS Users may need to incorporate mail from multiple spool files or mail drops. If incoming mail is forwarded to the MH slocal program, it can be sorted as specified by the user into multiple incoming mail drops. Refer to the MH man page for slocal to learn how to specify forwarding and the automatic sorting of incoming mail in a .maildelivery file. To inform xmh about the various mail drops, create a file in your home directory called .xmhcheck. In this file, a mapping between existing folder names and mail drops is created by giving a folder name followed by the absolute pathname of the mail drop site, with some white space separating them, one mapping per line. xmh will read this file whether or not resources are set for notification of new mail arrival, and will allow incorporation of new mail into any folder with a mail drop. xmh will invoke inc with the -file argument, and if xmh has been requested to check for new mail, it will check directly, instead of using msgchk. An example of .xmhcheck file format, for the folders ``inbox'' and ``xpert'': inbox /usr/spool/mail/converse xpert /users/converse/maildrops/xpert ACTIONS AND INTERFACE CUSTOMIZATION Because xmh provides action procedures which correspond to command functionality and installs accelerators, users can customize accelera- tors and new button functionality in a private resource file. For ex- amples of specifying customized resources, see the file mit/clients/xmh/Xmh.sample. To understand the syntax, see the Appendix of the X Toolkit Intrinsics specification on Translation Table Syntax, and any general explanation of using and specifying X resources. Un- predictable results can occur if actions are bound to events or widgets for which they were not designed. Here's an example of how to bind actions to your own xmh buttons, and how to redefine the default accelerators so that the Meta key is not required, in case you don't have access to the sample file mentioned above. ! To create buttons in the middle of the main window and give them semantics: Xmh*CommandButtonCount: 5 Xmh*commandBox.button1.label: Inc Xmh*commandBox.button1.translations: #override\ <Btn1Down>,<Btn1Up>: XmhIncorporateNewMail() unset() Xmh*commandBox.button2.label: Compose Xmh*commandBox.button2.translations: #override\ <Btn1Down>,<Btn1Up>: XmhComposeMessage() unset() Xmh*commandBox.button3.label: Next Xmh*commandBox.button3.translations: #override\ <Btn1Down>,<Btn1Up>: XmhViewNextMessage() unset() Xmh*commandBox.button4.label: Delete Xmh*commandBox.button4.translations: #override\ <Btn1Down>,<Btn1Up>: XmhMarkDelete() unset() Xmh*commandBox.button5.label: Commit Xmh*commandBox.button5.translations: #override\ <Btn1Down>,<Btn1Up>: XmhCommitChanges() unset() ! To redefine the accelerator bindings to exclude modifier keys, ! and add your own keyboard accelerator for Compose Message: Xmh*tocMenu.accelerators: #override\n\ !:<Key>I: XmhIncorporateNewMail()\n\ !:<Key>C: XmhCommitChanges()\n\ !:<Key>R: XmhForceRescan()\n\ !:<Key>P: XmhPackFolder()\n\ !:<Key>S: XmhSortFolder()\n Xmh*messageMenu.accelerators: #override\n\ !:<Key>E: XmhComposeMessage()\n\ !<Key>space: XmhViewNextMessage()\n\ !:<Key>c: XmhMarkCopy()\n\ !:<Key>d: XmhMarkDelete()\n\ !:<Key>f: XmhForward()\n\ !:<Key>m: XmhMarkMove()\n\ !:<Key>n: XmhViewNextMessage()\n\ !:<Key>p: XmhViewPreviousMessage()\n\ !:<Key>r: XmhReply()\n\ !:<Key>u: XmhUnmark()\n xmh provides action procedures which correspond to entries in the com- mand menus; these are given in the sections describing menu commands, not here. In addition to the actions corresponding to commands in the menus, these action routines are defined: XmhPushFolder([foldername, ...]) This action pushes each of its argument(s) onto a stack of foldernames. If no arguments are given, the selected folder is pushed onto the stack. XmhPopFolder() This action pops one foldername from the stack and sets the selected folder. XmhPopupFolderMenu() This action should always be taken when the user selects a folder button. A folder button represents a folder and zero or more subfolders. The menu of subfolders is built upon the first reference, by this routine. If there are no subfold- ers, this routine will mark the folder as having no subfold- ers, and no menu will be built. In that case the menu button emulates a toggle button. When subfolders exist, the menu will popup, using the menu button action PopupMenu(). XmhSetCurrentFolder() This action allows menu buttons to emulate toggle buttons in the function of selecting a folder. This action is for menu button widgets only, and sets the selected folder. XmhLeaveFolderButton() This action ensures that the menu button behaves properly when the user moves the pointer out of the menu button win- dow. XmhPushSequence([sequencename, ...]) This action pushes each of its arguments onto the stack of sequence names. If no arguments are given, the selected se- quence is pushed onto the stack. XmhPopSequence() This action pops one sequence name from the stack of sequence names, which then becomes the selected sequence. XmhPromptOkayAction() This action is equivalent to pressing the okay button in the Create Folder popup. XmhReloadSeqLists() This action rescans the contents of the public MH sequences for the currently opened folder and updates the sequence menu if necessary. XmhShellCommand( parameter [, parameter]) At least one parameter must be specified. The parameters will be concatenated with a space character separator, into a single string, and the list of selected messages, or if no messages are selected, the current message, will be appended to the string of parameters. The string will be executed as a shell command. The messages are always given as absolute pathnames. It is an error to cause this action to execute when there are no selected messages and no current message. XmhCheckForNewMail() This action will check all mail drops known to xmh. If no mail drops have been specified by the user either through the .xmhcheck file or by the initialIncFile resource, the MH com- mand msgchk is used to check for new mail, otherwise, xmh checks directly. XmhWMProtocols([wm_delete_window] [wm_save_yourself]) This action is responsible for participation in window man- ager communication protocols. It responds to delete window and save yourself messages. The user can cause xmh to re- spond to one or both of these protocols, exactly as if the window manager had made the request, by invoking the action with the appropriate parameters. The action is insensitive to the case of the string parameters. If the event received is a ClientMessage event and parameters are present, at least one of the parameters must correspond to the protocol re- quested by the event for the request to be honored by xmh. CUSTOMIZATION USING MH The initial text displayed in a composition window is generated by exe- cuting the corresponding MH command; i.e. comp, repl, or forw, and therefore message components may be customized as specified for those commands. comp is executed only once per invocation of xmh and the message template is re-used for every successive new composition. xmh uses MH commands, including inc, msgchk, comp, send, repl, forw, refile, rmm, pick, pack, sort, and scan. Some flags for these commands can be specified in the MH profile; xmh may override them. The appli- cation resource debug can be set to true to see how xmh uses MH com- mands. ENVIRONMENT HOME - users's home directory MH - to get the location of the MH profile file FILES ~/.mh_profile - MH profile, used if the MH environment variable is not set ~/Mail - directory of folders, used if the MH profile cannot be found ~/.xmhcheck - optional, for multiple mail drops in cooperation with slocal. /usr/local/mh6 - MH commands, as a last resort, see mhPath. ~/Mail/<folder>/.xmhcache - scan output in each folder ~/Mail/<folder>/.mh_sequences - sequence definitions, in each folder /tmp - temporary files, see tempDir. SEE ALSO X(7), xrdb(1), X Toolkit Intrinsics, Athena Widget Set, mh(1), en- script(1) At least one book has been published about MH and xmh. BUGS - When the user closes a window, all windows which are transient for that window should also be closed by xmh. - When XmhUseAsComposition and XmhViewUseAsComposition operate on mes- sages in the DraftsFolder, xmh disallows editing of the composition if the same message is also being viewed in another window. - Occasionally after committing changes, the table of contents will ap- pear to be completely blank when there are actually messages present. When this happens, refreshing the display, or typing Control-L in the table of contents, will often cause the correct listing to appear. If this doesn't work, force a rescan of the folder. - Should recognize and use the ``unseen'' message-sequence. - Should determine by itself if the user hasn't used MH before, and of- fer to create the .mh_profile, instead of hanging on inc. - A few commands are missing (rename folder, resend message). - WM_DELETE_WINDOW protocol doesn't work right when requesting deletion of the first toc and view, while trying to keep other xmh windows around. - Doesn't support annotations when replying to messages. - Doesn't allow folders to be shared without write permission. - Doesn't recognize private sequences. - MH will report that the .mh_sequences file is poorly formatted if any sequence definition in a particular folder contains more than BUFSIZ characters. xmh tries to capture these messages and display them when they occur, but it cannot correct the problem. - Should save a temporary checkpoint file rather than requiring changes to be committed in the non-shutdown case. AUTHOR Terry Weissman, formerly of Digital Western Research Laboratory Donna Converse, MIT X Consortium X Version 11 xmh 1.0.5 XMH(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | INSTALLATION | BASIC SCREEN LAYOUT | XMH AND THE ATHENA WIDGET SET | PROCESSING YOUR MAIL | OPTIONS | COMPOSITION WINDOWS | ACCELERATORS | TEXT EDITING COMMANDS | CONFIRMATION DIALOG BOXES | MESSAGE-SEQUENCES | WIDGET HIERARCHY | APPLICATION-SPECIFIC RESOURCES | MULTIPLE MAIL DROPS | ACTIONS AND INTERFACE CUSTOMIZATION | ENVIRONMENT | FILES | SEE ALSO | BUGS | AUTHOR
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