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PIEWM(1) General Commands Manual PIEWM(1) NAME piewm - Tom's Virtual Tab Window Manager with Pie Menus SYNTAX piewm [-display dpy] [-s] [-k] [-f initfile] [-v] DESCRIPTION Piewm is a window manager for the X Window System based tvtwm, which is based on the X11R4 version of twm, with code segments from the X11R5 twm as well. It includes pie menus, and a ``Virtual Desktop'' feature that effectively makes the root window of the screen larger than the physical limits of the display. To change as little as possible in this manual, from here on the window manager is referred to as twm. Twm is a window manager for the X Window System. It provides title- bars, shaped windows, pie and linear menus, several forms of icon man- agement, user-defined macro functions, click-to-type and pointer-driven keyboard focus, and user-specified key and pointer button bindings. This program is usually started by the user's session manager or startup script. When used from xdm(1) or xinit(1) without a session manager, twm is frequently executed in the foreground as the last client. When run this way, exiting twm causes the session to be termi- nated (i.e. logged out). By default, application windows are surrounded by a ``frame'' with a titlebar at the top and a special border around the window. The title- bar contains the window's name, a rectangle that is lit when the window is receiving keyboard input, and function boxes known as ``titlebut- tons'' at the left and right edges of the titlebar. Pressing pointer Button1 (usually the left-most button unless it has been changed with xmodmap) on a titlebutton will invoke the function associated with the button. In the default interface, windows are iconified by clicking (pressing and then immediately releasing) the left titlebutton (which looks like a small dot). Conversely, windows are deiconified by clicking in the associated icon or entry in the icon manager (see description of the variable ShowIconManager and of the function f.showiconmgr). Windows are resized by pressing the right titlebutton (which resembles group of nested squares), dragging the pointer over edge that is to be moved, and releasing the pointer when the outline of the window is the desired size. Similarly, windows are moved by pressing in the title or highlight region, dragging a window outline to the new location, and then releasing when the outline is in the desired position. Just clicking in the title or highlight region raises the window without moving it. When new windows are created, twm will honor any size and location in- formation requested by the user (usually through -geometry command line argument or resources for the individual applications). Otherwise, an outline of the window's default size, its titlebar, and lines dividing the window into a 3x3 grid that track the pointer are displayed. Clicking pointer Button1 will position the window at the current posi- tion and give it the default size. Pressing pointer Button2 (usually the middle pointer button) and dragging the outline will give the win- dow its current position but allow the sides to be resized as described above. Clicking pointer Button3 (usually the right pointer button) will give the window its current position but attempt to make it long enough to touch the bottom the screen. OPTIONS Twm accepts the following command line options: -display dpy This option specifies the X server to use. -s This option indicates that only the default screen (as speci- fied by -display or by the DISPLAY environment variable) should be managed. By default, twm will attempt to manage all screens on the display. -k This option makes twm leave a file in /tmp containing the pre- defines that are generated and fed to m4 before your .twmrc file. Twm passes this file, followed immediately by your .twmrc file (which may not be called .twmrc. See -f option.), to m4(1) for preprocessing. If you give twm the -k option, it will leave a copy of the temporary file as /tmp/twmrc$$ (where $$ is variable). This is often useful for knowing what you can use when adding m4 commands and conditions to your .twmrc file. -f filename This option specifies the name of the startup file to use. By default, twm will look in the user's home directory for files named .twmrc.num (where num is a screen number) or .twmrc. -v This option indicates that twm should print error messages whenever an unexpected X Error event is received. This can be useful when debugging applications but can be distracting in regular use. CUSTOMIZATION Much of twm's appearance and behavior can be controlled by providing a startup file in one of the following locations (searched in order for each screen being managed when twm begins): $HOME/.piewmrc.screennumber The screennumber is a small positive number (e.g. 0, 1, etc.) representing the screen number (e.g. the last number in the DISPLAY environment variable host:displaynum.screennum) that would be used to contact that screen of the display. This is intended for displays with multiple screens of differing visual types. $HOME/.piewmrc This is the usual name for an individual user's startup file. $HOME/.tvtwmrc.screennumber Same as .piewmrc.screennumber. $HOME/.tvtwmrc Same as .piewmrc. $HOME/.twmrc.screennumber Same as .piewmrc.screennumber. $HOME/.twmrc Same as .piewmrc. /usr/lib/X11/twm/system.twmrc If neither of the preceding files are found, twm will look in this file for a default configuration. This is often tailored by the site administrator to provide convenient menus or famil- iar bindings for novice users. If no startup files are found, twm will use the built-in defaults de- scribed above. The only resource used by twm is bitmapFilePath for a colon-separated list of directories to search when looking for bitmap files (for more information, see the Athena Widgets manual and xrdb(1)). Twm startup files are logically broken up into three types of specifi- cations: Variables, Bindings, Menus. The Variables section must come first and is used to describe the fonts, colors, cursors, border widths, icon and window placement, highlighting, autoraising, layout of titles, warping, use of the icon manager. The Bindings section usually comes second and is used to specify the functions that should be to be invoked when keyboard and pointer buttons are pressed in windows, icons, titles, and frames. The Menus section gives any user-defined menus (containing functions to be invoked or commands to be executed). Variable names and keywords are case-insensitive. Strings must be sur- rounded by double quote characters (e.g. "blue") and are case-sensi- tive. A pound sign (#) outside of a string causes the remainder of the line in which the character appears to be treated as a comment. M4 PREPROCESSING A new feature in this release of piewm is that it will use m4(1) to pre-process it's setup files. When twm starts up, it will open a file for input as described above. But, it will process that file through m4 before parsing it. So, you can use m4 macro's to perform operations at runtime. This makes it very easy to work when you use many differ- ent display's, with different characteristics. For example, If you want to set the lower right section of the screen to be your IconRe- gion, (see below for details on the IconRegion variable) you can use m4 directives and pre-defined symbols to calculate the region you want. For example: define(IRegion, translit(eval(WIDTH/3)*eval(HEIGHT/2)+eval(WIDTH-WIDTH/3)-0, *, x)) IconRegion "IRegion" SOUTH EAST 75 25 will define the lower half, and right-hand third of the screen. The above makes use of symbols that are predefined in m4 by twm. The sym- bols WIDTH and HEIGHT are calculated by twm and written into a tempo- rary file for m4 to use. The following symbols are predefined by piewm: SERVERHOST This variable is set to the name of the machine that is running the X server. CLIENTHOST The machine that is running the clients. (ie, twm) HOSTNAME The canonical hostname running the clients. (ie. a fully-qualified version of CLIENTHOST) USER The name of the user running the program. Got- ten from the environment. HOME The user's home directory. Gotten from the en- vironment. VERSION The X major protocol version. As seen by Pro- tocolVersion(3). REVISION The X minor protocol revision. As seen by Pro- tocolRevision(3). VENDOR The vendor of your X server. For example: MIT X Consortium. RELEASE The release number of your X server. For MIT X11R5, this is 5. WIDTH The width of your display in pixels. HEIGHT The height of your display in pixels. X_RESOLUTION The X resolution of your display in pixels per meter. Y_RESOLUTION The Y resolution of your display in pixels per meter. PLANES The number of bit planes your display supports in the default root window. BITS_PER_RGB The number of significant bits in an RGB color. (log base 2 of the number of distinct colors that can be created. This is often different from the number of colors that can be displayed at once.) TWM_TYPE Tells which twm offshoot is running. It will always be set to the string "piewm" in this program. This is useful for protecting parts of your .twmrc file that twm proper won't un- derstand (like VirtualDesktop) so that it is still usable with other twm programs. CLASS Your visual class. Will return one of Stat- icGray, GrayScale, StaticColor, PseudoColor, TrueColor, DirectColor, or, if it cannot deter- mine what you have, NonStandard. COLOR This will be either 'Yes' or 'No'. This is just a wrapper around the above definition. Returns 'Yes' on *Color, and 'No' on StaticGray and GrayScale. NG_* There will be a large (about 16) number of pre- defines that look like NG_EE or NG_AE. These are for access control. When they are set to something intelligent, you can protect certain machines or groups of machines in login menus by which group of people should be able to ac- cess them. If you place an ifelse(NG_STAFF, yes, `') in your .twmrc file, and place the lo- gin menu, or the like, in between the quotes, then it will only be seen by members of the staff. This is useful when you have a whole system that include()s a system-wide login file. This makes it easy to centrally adminis- ter things such as login menus, and have all users notice changes without having to make them individually. At the moment, there is little or no functionality in these. If you are a member of the group "staff", you have them all set to 'Yes', else, you have only NG_STD defined to 'Yes'. I plan to make these symbols meaningful in the near future. You may well find that if you research the m4(1) manual well, and un- derstand the power of m4, this will be a very useful and powerful tool. VIRTUAL DESKTOP The Virtual Desktop feature of tvtwm was modeled after the same feature in swm (Solbourne Window Manager). The Virtual Desktop effectively makes the ``root'' window of the display larger than the physical screen size. The Virtual Desktop is panned in one of two ways, either by executing one of the f.scroll commands or by using the panner. The panner is a special window that shows a miniature view of windows on the desktop. The small windows in the panner will have the same colors as the titlebars and icons of their associated client windows. The panner is very simply to operate. Mouse button one pressed inside the panner moves the view on the desktop to an integral number of desk- tops from the top-left. Mouse button three pressed inside the panner allows you to move the outline indicating your current view on the desktop. Releasing the button will reposition the desktop to the point at which the outline is displayed. Mouse button two pressed in one of the small ``virtual'' windows allows you to move the small window to another portion of the desktop. If during the move operation, you would like to place the window in your current view of the desktop, simply moving the pointer out of the panner will result in the window outline changing from the small outline to a large outline showing the dimensions of the client window. The converse is true of any move op- eration started outside of the panner: if the pointer is moved into the panner window, the outline will change to a small outline allowing you to place the window anywhere on the desktop. Another feature of the panner is that if you resize it, the Virtual Desktop will resize a cor- responding amount. During the resize, the dimensions shown reflect the Virtual Desktop size. There are two hints that client windows may use when asking the window manager to position top level windows: User Specified Position (USPo- sition) and Program Specified Position (PPosition). tvtwm handles each of these two hints in a different manner. If USPosition hints are set, the window will be placed at the pixel location requested. If PPosi- tion hints are set, the window will be placed at the requested location plus the offsets of the current Virtual Desktop position. For example, if the desktop is positioned at +100+300 and a window is mapped at +100+100 with PPosition hints set, the window would be placed at +200+400 on the Virtual Desktop. Along with the Virtual Desktop comes a concept called ``sticky'' win- dows. Sticky windows can be thought of as stuck to the glass of the display. Sticky windows do not scroll out of view when the desktop is scrolled. PIE MENUS This version of twm supports pie menus. The labels of a pie menu are arranged in a circle around the cursor, and the menu selection is based on the direction you move between clicking the button. Pie menus are fast and easy to use because each of the items corresponds to a large wedge shaped area adjacent to the cursor. You define pie menus the same way as regular linear menus, using the word piemenu instead of menu. They have an extra optional argument: an ``@'' sign followed by a number, specifying the direction of the first menu item, defaulting to 0 (to the right, increasing counter-clock- wise). You can make pie menus with graphical labels, by specifying a label beginning with an underscore followed by a bitmap or pixmap file name. To pop up a pie menu (in a binding or as a submenu), use the f.piemenu function instead of the f.menu function. Pie menus can be submenus of linear menus, and linear menus can be submenus of pie menus, too. Pie menus are usually drawn in a rectangular window. To have them drawn "in midair" using shapes, specify the "NoMenuShadows" keyword in your .piewmrc. VARIABLES Many of the aspects of twm's user interface are controlled by variables that may be set in the user's startup file. Some of the options are enabled or disabled simply by the presence of a particular keyword. Other options require keywords, numbers, strings, or lists of all of these. Lists are surrounded by braces and are usually separated by whitespace or a newline. For example: AutoRaise { "emacs" "XTerm" "Xmh" } or AutoRaise { "emacs" "XTerm" "Xmh" } When a variable containing a list of strings representing windows is searched (e.g. to determine whether or not to enable autoraise as shown above), a string is considered to match a window if it is a case-sensi- tive prefix for the window's name name (given by the WM_NAME window property), resource name or class name (both given by the WM_CLASS win- dow property). The preceding example would enable autoraise on windows named ``emacs'' as well as any xterm (since they are of class ``XTerm'') or xmh windows (which are of class ``Xmh''). String arguments that are interpreted as filenames (see the Pixmaps, Cursors, and IconDirectory below) will prepend the user's directory (specified by the HOME environment variable) if the first character is a tilde (~). If, instead, the first character is a colon (:), the name is assumed to refer to one of the internal bitmaps that are used to create the default titlebars symbols: :xlogo or :iconify (both refer to the X used for the iconify button), :resize (the nested squares used by the resize button), and :question (the question mark used for non- existent bitmap files). The following variables may be specified at the top of a twm startup file. Lists of Window name prefix strings are indicated by win-list. Optional arguments are shown in square brackets: AutoRaise { win-list } This variable specifies a list of windows that should automati- cally be raised whenever the pointer enters the window. This action can be interactively enabled or disabled on individual windows using the function f.autoraise. AutoRelativeResize This variable indicates that dragging out a window size (either when initially sizing the window with pointer Button2 or when resizing it) should not wait until the pointer has crossed the window edges. Instead, moving the pointer automatically causes the nearest edge or edges to move by the same amount. This al- lows allows the resizing windows that extend off the edge of the screen. If the pointer is in the center of the window, or if the resize is begun by pressing a titlebutton, twm will still wait for the pointer to cross a window edge (to prevent accidents). This option is particularly useful for people who like the press-drag-release method of sweeping out window sizes. BorderColor string [{ wincolorlist }] This variable specifies the default color of the border to be placed around all non-iconified windows, and may only be given within a Color or Monochrome list. The optional wincolorlist specifies a list of window and color name pairs for specifying particular border colors for different types of windows. For example: BorderColor "gray50" { "XTerm" "red" "xmh" "green" } The default is "black". BorderTileBackground string [{ wincolorlist }] This variable specifies the default background color in the gray pattern used in unhighlighted borders (only if NoHighlight hasn't been set), and may only be given within a Color or Mono- chrome list. The optional wincolorlist allows per-window col- ors to be specified. The default is "black". BorderTileForeground string [{ wincolorlist }] This variable specifies the default foreground color in the gray pattern used in unhighlighted borders (only if NoHighlight hasn't been set), and may only be given within a Color or Mono- chrome list. The optional wincolorlist allows per-window col- ors to be specified. The default is "white". BorderWidth pixels This variable specifies the width in pixels of the border sur- rounding all client window frames if ClientBorderWidth has not been specified. This value is also used to set the border size of windows created by twm (such as the icon manager). The de- fault is 2. ButtonIndent pixels This variable specifies the amount by which titlebuttons should be indented on all sides. Positive values cause the buttons to be smaller than the window text and highlight area so that they stand out. Setting this and the TitleButtonBorderWidth vari- ables to 0 makes titlebuttons be as tall and wide as possible. The default is 1. ClientBorderWidth This variable indicates that border width of a window's frame should be set to the initial border width of the window, rather than to the value of BorderWidth. Color { colors-list } This variable specifies a list of color assignments to be made if the default display is capable of displaying more than sim- ple black and white. The colors-list is made up of the follow- ing color variables and their values: DefaultBackground, De- faultForeground, MenuBackground, MenuForeground, MenuTitleBack- ground, MenuTitleForeground, and MenuShadowColor. VirtualDesk- topBackground. VirtualDesktopForeground. PannerBackground. PannerForeground. The following color variables may also be given a list of window and color name pairs to allow per-window colors to be specified (see BorderColor for details): Border- Color, IconManagerHighlight, BorderTitleBackground, BorderTi- tleForeground, TitleBackground, TitleForeground, IconBack- ground, IconForeground, IconBorderColor, IconManagerBackground, and IconManagerForeground. VirtualBackground, and VirtualFore- ground. For example: Color { MenuBackground "gray50" MenuForeground "blue" BorderColor "red" { "XTerm" "yellow" } TitleForeground "yellow" TitleBackground "blue" } All of these color variables may also be specified for the Monochrome variable, allowing the same initialization file to be used on both color and monochrome displays. ConstrainedMoveTime milliseconds This variable specifies the length of time between button clicks needed to begin a constrained move operation. Double clicking within this amount of time when invoking f.move will cause the window only be moved in a horizontal or vertical di- rection. Setting this value to 0 will disable constrained moves. The default is 400 milliseconds. Cursors { cursor-list } This variable specifies the glyphs that twm should use for var- ious pointer cursors. Each cursor may be defined either from the cursor font or from two bitmap files. Shapes from the cur- sor font may be specified directly as: cursorname "string" where cursorname is one of the cursor names listed below, and string is the name of a glyph as found in the file /usr/in- clude/X11/cursorfont.h (without the ``XC_'' prefix). If the cursor is to be defined from bitmap files, the following syntax is used instead: cursorname "image" "mask" The image and mask strings specify the names of files contain- ing the glyph image and mask in bitmap(1) form. The bitmap files are located in the same manner as icon bitmap files. The following example shows the default cursor definitions: Cursors { Frame "top_left_arrow" Title "top_left_arrow" Icon "top_left_arrow" IconMgr "top_left_arrow" Move "fleur" Resize "fleur" Menu "sb_left_arrow" Button "hand2" Wait "watch" Select "dot" Destroy "pirate" } DecorateTransients This variable indicates that transient windows (those contain- ing a WM_TRANSIENT_FOR property) should have titlebars. By de- fault, transients are not reparented. DefaultBackground string This variable specifies the background color to be used for sizing and information windows. The default is "white". DefaultForeground string This variable specifies the foreground color to be used for sizing and information windows. The default is "black". DontIconifyByUnmapping { win-list } This variable specifies a list of windows that should not be iconified by simply unmapping the window (as would be the case if IconifyByUnmapping had been set). This is frequently used to force some windows to be treated as icons while other win- dows are handled by the icon manager. DontMoveOff This variable indicates that windows should not be allowed to be moved off the screen. It can be overridden by the f.force- move function. DontSqueezeTitle [{ win-list }] This variable indicates that titlebars should not be squeezed to their minimum size as described under SqueezeTitle below. If the optional window list is supplied, only those windows will be prevented from being squeezed. ForceIcons This variable indicates that icon pixmaps specified in the Icons variable should override any client-supplied pixmaps. FramePadding pixels This variable specifies the distance between the titlebar deco- rations (the button and text) and the window frame. The de- fault is 2 pixels. IconBackground string [{ win-list }] This variable specifies the background color of bitmap icons, and may only be specified inside of a Color or Monochrome list. This value is ignored when the icon is an Xpm format pixmap, as they have their own colors. The optional win-list is a list of window names and colors so that per-window colors may be speci- fied. See the BorderColor variable for a complete description of the win-list. The default is "white". IconBorderColor string [{ win-list }] This variable specifies the color of the border used for icon windows, and may only be specified inside of a Color or Mono- chrome list. This option only has an effect on icon windows that don't have their own shape mask (ie, only on rectangular icons). The optional win-list is a list of window names and colors so that per-window colors may be specified. See the BorderColor variable for a complete description of the win- list. The default is "black". IconBorderWidth pixels This variable specifies the width in pixels of the border sur- rounding icon windows. The default is 2. IconDirectory string This variable specifies the directory that should be searched if if a bitmap file cannot be found in any of the directories in the bitmapFilePath resource. This is generally a poor way to do things. It is much better to set your bitmapFilePath re- source to what you want it to be in your resources file. IconFont string This variable specifies the font to be used to display icon names within icons. The default is "8x13". IconForeground string [{ win-list }] This variable specifies the foreground color to be used when displaying bitmap icons, and may only be specified inside of a Color or Monochrome list. This value is ignored when the icon is an Xpm format pixmap, as they have their own colors. The optional win-list is a list of window names and colors so that per-window colors may be specified. See the BorderColor vari- able for a complete description of the win-list. The default is "black". IconifyByUnmapping [{ win-list }] This variable indicates that windows should be iconified by be- ing unmapped without trying to map any icons. This assumes that the user is will remap the window through the icon man- ager, the f.warpto function, or the TwmWindows menu. If the optional win-list is provided, only those windows will be iconified by simply unmapping. Windows that have both this and the IconManagerDontShow options set may not be accessible if no binding to the TwmWindows menu is set in the user's startup file. IconManagerBackground string [{ win-list }] This variable specifies the background color to use for icon manager entries, and may only be specified inside of a Color or Monochrome list. The optional win-list is a list of window names and colors so that per-window colors may be specified. See the BorderColor variable for a complete description of the win-list. The default is "white". IconManagerDontShow [{ win-list }] This variable indicates that the icon manager should not dis- play any windows. If the optional win-list is given, only those windows will not be displayed. This variable is used to prevent windows that are rarely iconified (such as xclock or xload) from taking up space in the icon manager. IconManagerFont string This variable specifies the font to be used when displaying icon manager entries. The default is "8x13". IconManagerForeground string [{ win-list }] This variable specifies the foreground color to be used when displaying icon manager entries, and may only be specified in- side of a Color or Monochrome list. The optional win-list is a list of window names and colors so that per-window colors may be specified. See the BorderColor variable for a complete de- scription of the win-list. The default is "black". IconManagerGeometry string [ columns ] This variable specifies the geometry of the icon manager win- dow. The string argument is standard geometry specification that indicates the initial full size of the icon manager. The icon manager window is then broken into columns pieces and scaled according to the number of entries in the icon manager. Extra entries are wrapped to form additional rows. The default number of columns is 1. IconManagerHighlight string [{ win-list }] This variable specifies the border color to be used when high- lighting the icon manager entry that currently has the focus, and can only be specified inside of a Color or Monochrome list. The optional win-list is a list of window names and colors so that per-window colors may be specified. See the BorderColor variable for a complete description of the win-list. The de- fault is "black". IconManagers { iconmgr-list } This variable specifies a list of icon managers to create. Each item in the iconmgr-list has the following format: "winname" ["iconname"] "geometry" columns where winname is the name of the windows that should be put into this icon manager, iconname is the name of that icon man- ager window's icon, geometry is a standard geometry specifica- tion, and columns is the number of columns in this icon manager as described in IconManagerGeometry. For example: IconManagers { "XTerm" "=300x5+800+5" 5 "myhost" "=400x5+100+5" 2 } Clients whose name or class is ``XTerm'' will have an entry created in the ``XTerm'' icon manager. Clients whose name was ``myhost'' would be put into the ``myhost'' icon manager. IconManagerShow { win-list } This variable specifies a list of windows that should appear in the icon manager. When used in conjunction with the IconMan- agerDontShow variable, only the windows in this list will be shown in the icon manager. IconRegion geomstring vgrav hgrav gridwidth gridheight This variable specifies an area on the root window in which icons are placed if no specific icon location is provided by the client. The geomstring is a quoted string containing a standard geometry specification. If more than one IconRegion lines are given, icons will be put into the succeeding icon re- gions when the first is full. The vgrav argument should be ei- ther North or South and control and is used to control whether icons are first filled in from the top or bottom of the icon region. Similarly, the hgrav argument should be either East or West and is used to control whether icons should be filled in from left from the right. Icons are laid out within the region in a grid with cells gridwidth pixels wide and gridheight pix- els high. Icons { win-list } This variable specifies a list of window names and the pixmap/bitmap filenames that should be used as their icons. For example: Icons { "XTerm" "xterm.icon" "xfd" "xfd_icon" "xeyes" "xeyes.xpm" } Windows that match ``XTerm'' and would not be iconified by un- mapping, and would try to use the icon pixmap/bitmap in the file ``xterm.icon''. If ForceIcons is specified, this bitmap will be used even if the client has requested its own icon pixmap. IconTitle { win-list } This variable specifies a list of clients that will have the icon name displayed below the icon and is used to request icon titles on specific windows when NoIconTitle has been set. InterpolateMenuColors This variable indicates that menu entry colors should be inter- polated between entry specified colors. In the example below: Menu "mymenu" { "Title" ("black":"red") f.title "entry1" f.nop "entry2" f.nop "entry3" ("white":"green") f.nop "entry4" f.nop "entry5" ("red":"white") f.nop } the foreground colors for ``entry1'' and ``entry2'' will be in- terpolated between black and white, and the background colors between red and green. Similarly, the foreground for ``en- try4'' will be half-way between white and red, and the back- ground will be half-way between green and white. MakeTitle { win-list } This variable specifies a list of windows on which a titlebar should be placed and is used to request titles on specific win- dows when NoTitle has been set. MaxWindowSize string This variable specifies a geometry in which the width and height give the maximum size for a given window. This is typi- cally used to restrict windows to the size of the screen. The default is "30000x30000". MenuBackground string This variable specifies the background color used for menus, and can only be specified inside of a Color or Monochrome list. The default is "white". MenuFont string This variable specifies the font to use when displaying menus. The default is "8x13". MenuForeground string This variable specifies the foreground color used for menus, and can only be specified inside of a Color or Monochrome list. The default is "black". MenuShadowColor string This variable specifies the color of the shadow behind pull- down menus and can only be specified inside of a Color or Mono- chrome list. The default is "black". MenuTitleBackground string This variable specifies the background color for f.title en- tries in menus, and can only be specified inside of a Color or Monochrome list. The default is "white". MenuTitleFont string This variable specifies the font to be used in menu titles. MenuTitleForeground string This variable specifies the foreground color for f.title en- tries in menus and can only be specified inside of a Color or Monochrome list. The default is "black". Monochrome { colors } This variable specifies a list of color assignments that should be made if the screen has a depth of 1. See the description of Colors. MoveDelta pixels This variable specifies the number of pixels the pointer must move before the f.move function starts working. Also see the f.deltastop function. The default is zero pixels. NoBackingStore This variable indicates that twm's menus should not request backing store to minimize repainting of menus. This is typi- cally used with servers that can repaint faster than they can handle backing store. NoCaseSensitive This variable indicates that case should be ignored when sort- ing icon names in an icon manager. This option is typically used with applications that capitalize the first letter of their icon name. NoDefaults This variable indicates that twm should not supply the default titlebuttons and bindings. This option should only be used if the startup file contains a completely new set of bindings and definitions. NoGrabServer This variable indicates that twm should not grab the server when popping up menus and moving opaque windows. NoHighlight [{ win-list }] This variable indicates that borders should not be highlighted to track the location of the pointer. If the optional win-list is given, highlighting will only be disabled for those windows. When the border is highlighted, it will be drawn in the current BorderColor. When the border is not highlighted, it will be stippled with an gray pattern using the current BorderTileFore- ground and BorderTileBackground colors. NoIconManagers This variable indicates that no icon manager should be created. NoIconTitle [{ win-list }] This variable indicates that icons should not display the icon name of the client. If the optional win-list is given, only those clients will not have icon titles. IconTitle may be used with this option to force icon titles to be put on on specific clients NoMenuShadows This variable indicates that linear menus should not have drop shadows drawn behind them. For pie menus, it means that pie menus should be shaped, not drawn on a background. NoRaiseOnDeiconify This variable indicates that windows that are deiconified should not be raised. NoRaiseOnMove This variable indicates that windows should not be raised when moved. This is typically used to allow windows to slide under- neath each other. NoRaiseOnResize This variable indicates that windows should not be raised when resized. This is typically used to allow windows to be resized underneath each other. NoRaiseOnWarp This variable indicates that windows should not be raised when the pointer is warped into them with the f.warpto function. If this option is set, warping to an occluded window may result in the pointer ending up in the occluding window instead the de- sired window (which causes unexpected behavior with f.warpring). NoSaveUnders This variable indicates that menus should not request save-un- ders to minimize window repainting following menu selection. It is typically used with displays that can repaint faster than they can handle save-unders. NoStackMode [{ win-list }] This variable indicates that client window requests to change stacking order should be ignored. If the optional win-list is given, only requests on those windows will be ignored. This is typically used to prevent applications from relentlessly pop- ping themselves to the front of the window stack. NoTitle [{ win-list }] This variable indicates that windows should not have titlebars. If the optional win-list is given, only those windows will not have titlebars. MakeTitle may be used with this option to force titlebars to be put on specific windows. NoTitleFocus This variable indicates that twm should not set keyboard input focus to each window as it is entered. Normally, twm sets the focus so that focus and key events from the titlebar and icon managers are delivered to the application. If the pointer is moved quickly and twm is slow to respond, input can be directed to the old window instead of the new. This option is typically used to prevent this ``input lag'' and to work around bugs in older applications that have problems with focus events. NoTitleHighlight [{ win-list }] This variable indicates that the highlight area of the title- bar, which is used to indicate the window that currently has the input focus, should not be displayed. If the optional win- list is given, only those windows will not have highlight ar- eas. This and the SqueezeTitle options can be set to substan- tially reduce the amount of screen space required by titlebars. OpaqueMove This variable indicates that the f.move function should actu- ally move the window instead of just an outline so that the user can immediately see what the window will look like in the new position. This option is typically used on fast displays (particularly if NoGrabServer is set). PannerBackgroundPixmap string This variable specifies the filename of a pixmap or bitmap file to be used as the background image of the panner. If this file is a bitmap, the PannerBackground and PannerForeground colors are used when constructing the background. PannerGeometry string This variable specifies the position of the Virtual Desktop panner. The default geometry is "-0-0". PannerOpaqueScroll This variable causes the panner to scroll the Virtual Desktop opaquely. This variable only takes effect if the StickyAbove variable is also set. PannerScale scale This variable specifies that scale of the Virtual Desktop Pan- ner in relation to the actual screen. The default scale is 20. PannerState string This variable specifies the initial state of the Virtual Desk- top panner window. Possible initial state values include "nor- mal", "iconic", or "withdrawn". The default initial state is "normal". PieMenuWait milliseconds Wait this number of milliseconds before popping up a pie menu. Pixmaps { pixmaps } This variable specifies a list of pixmaps that define the ap- pearance of various images. Each entry is a keyword indicating the pixmap to set, followed by a string giving the name of the bitmap file. The following pixmaps may be specified: Pixmaps { VirtualDesktopBackgroundPixmap "/homes/davis/pictures/background.gif" PannerBackgroundPixmap "panner.xpm" TitleHighlight "gray1" } The default for TitleHighlight is to use an even stipple pat- tern. The VirtualDesktopBackgroundPixmap and PannerBackground- Pixmap pixmaps can be set as detailed in each of their own sec- tions. RandomPlacement This variable indicates that windows with no specified geometry should should be placed in a pseudo-random location instead of having the user drag out an outline. ResizeFont string This variable specifies the font to be used for in the dimen- sions window when resizing windows. The default is "fixed". RestartPreviousState This variable indicates that twm should attempt to use the WM_STATE property on client windows to tell which windows should be iconified and which should be left visible. This is typically used to make try to regenerate the state that the screen was in before the previous window manager was shutdown. ScrollDistanceX percentage This variable specifies the amount (as a percentage of the screen width) to move when one of the scroll functions f.scrol- lleft or f.scrollright is called. ScrollDistanceY percentage This variable specifies the amount (as a percentage of the screen height) to move when one of the scroll functions f.scrollup or f.scrolldown is called. ShowIconManager This variable indicates that the icon manager window should be displayed when twm is started. It can always be brought up us- ing the f.showiconmgr function. ShowVirtualNames This variable causes client window names to be displayed in the small virtual windows inside the Virtual Desktop panner. The names will be displayed using the current VirtualFont. SortIconManager This variable indicates that entries in the icon manager should be sorted alphabetically rather than by simply appending new windows to the end. SqueezeTitle [{ squeeze-list }] This variable indicates that twm should attempt to use the SHAPE extension to make titlebars occupy only as much screen space as they need, rather than extending all the way across the top of the window. The optional squeeze-list may be used to control the location of the squeezed titlebar along the top of the window. It contains entries of the form: "name" justification num denom where name is a window name, justification is either left, cen- ter, or right, and num and denom are numbers specifying a ratio giving the relative position about which the titlebar is justi- fied. The ratio is measured from left to right if the numera- tor is positive, and right to left if negative. A denominator of 0 indicates that the numerator should be measured in pixels. For convenience, the ratio 0/0 is the same as 1/2 for center and -1/1 for right. For example: SqueezeTitle { "XTerm" left 0 0 "xterm1" left 1 3 "xterm2" left 2 3 "oclock" center 0 0 "emacs" right 0 0 } The DontSqueezeTitle list can be used to turn off squeezing on certain titles. StartIconified [{ win-list }] This variable indicates that client windows should initially be left as icons until explicitly deiconified by the user. If the optional win-list is given, only those windows will be started iconic. This is useful for programs that do not support an -iconic command line option or resource. StayUpMenus This variable alters menu interaction. By default, a menu item is selected when a mouse button is released over it. This variable causes menu items to be selected on the next button press event. Sticky [{ win-list }] This variable is a list of client windows that will be sticky by default. See the VIRTUAL DESKTOP section for a full de- scription of sticky windows. StickyAbove This variable causes sticky windows to be physically above non- sticky windows. TitleBackground string [{ win-list }] This variable specifies the background color used in titlebars, and may only be specified inside of a Color or Monochrome list. The optional win-list is a list of window names and colors so that per-window colors may be specified. The default is "white". TitleButtonBorderWidth pixels This variable specifies the width in pixels of the border sur- rounding titlebuttons. This is typically set to 0 to allow ti- tlebuttons to take up as much space as possible and to not have a border. The default is 1. TitleFont string This variable specifies the font to used for displaying window names in titlebars. The default is "8x13". TitleFontPadding pixels This variable specifies the number of pixels of padding to be placed above window titles. This allows for using small fonts with larger buttons. TitleForeground string [{ win-list }] This variable specifies the foreground color used in titlebars, and may only be specified inside of a Color or Monochrome list. The optional win-list is a list of window names and colors so that per-window colors may be specified. The default is "black". TitlePadding pixels This variable specifies the distance between the various but- tons, text, and highlight areas in the titlebar. The default is 8 pixels. UnknownIcon string This variable specifies the filename of a bitmap file to be used as the default icon. This bitmap will be used as the icon of all clients which do not provide an icon bitmap and are not listed in the Icons list. UsePPosition string This variable specifies whether or not twm should honor pro- gram-requested locations (given by the PPosition flag in the WM_NORMAL_HINTS property) in the absence of a user-specified position. The argument string may have one of three values: "off" (the default) indicating that twm should ignore the pro- gram-supplied position, "on" indicating that the position should be used, and "non-zero" indicating that the position should used if it is other than (0,0). The latter option is for working around a bug in older toolkits. VirtualDesktop string This variable enables the Virtual Desktop feature and specifies the initial size of the desktop, either in pixels or in inte- gral multiples of the screen size. The size is specified as a standard geometry string. If a width or height value is smaller than the width or height of the physical display, it is assumed to mean a multiple of the screen size, otherwise it is assumed to be in pixels. So to get a 2x2 sized Virtual Desktop across all platforms, one could use the string "2x2" to enable the desktop. VirtualDesktopBackgroundPixmap string This variable specifies the filename of a image to be used as the background image of the Virtual Desktop. If you have con- figured twm to use xloadimage(1) to load this image, the string must be a full pathname, or be in the image-path in your ~/.xloadimagerc file. If you have not configured twm to use xloadimage(1), then it will load a bitmap or pixmap in the tra- ditional fashion. If the pixmap you load is a bitmap (one plane deep), VirtualDesktopBackground and VirtualDesktopFore- ground colors are used when constructing the background. WarpCursor [{ win-list }] This variable indicates that the pointer should be warped into windows when they are deiconified. If the optional win-list is given, the pointer will only be warped when those windows are deiconified. This will also change the position of the virtual desktop if the unmapped window wasn't visible from the actual position. VirtualFont font This is the font used to display window names in the small win- dows inside the panner if the ShowVirtualNames variable is specified. The default font is "5x8". WindowRing { win-list } This variable specifies a list of windows along which the f.warpring function cycles. WarpUnmapped This variable indicates that that the f.warpto function should deiconify any iconified windows it encounters. This is typi- cally used to make a key binding that will pop a particular window (such as xmh), no matter where it is. The default is for f.warpto to ignore iconified windows. XorValue number This variable specifies the value to use when drawing window outlines for moving and resizing. This should be set to a value that will result in a variety of of distinguishable col- ors when exclusive-or'ed with the contents of the user's typi- cal screen. Setting this variable to 1 often gives nice re- sults if adjacent colors in the default colormap are distinct. By default, twm will attempt to cause temporary lines to appear at the opposite end of the colormap from the graphics. Zoom [ count ] This variable indicates that outlines suggesting movement of a window to and from its iconified state should be displayed whenever a window is iconified or deiconified. The optional count argument specifies the number of outlines to be drawn. The default count is 8. The following variables must be set after the fonts have been assigned, so it is usually best to put them at the end of the variables or begin- ning of the bindings sections: DefaultFunction function This variable specifies the function to be executed when a key or button event is received for which no binding is provided. This is typically bound to f.nop, f.beep, or a menu containing window operations. WindowFunction function This variable specifies the function to execute when a window is selected from the TwmWindows menu. If this variable is not set, the window will be deiconified and raised. BINDINGS After the desired variables have been set, functions may be attached titlebuttons and key and pointer buttons. Titlebuttons may be added from the left or right side and appear in the titlebar from left-to- right according to the order in which they are specified. Key and pointer button bindings may be given in any order. Titlebuttons specifications must include the name of the pixmap to use in the button box and the function to be invoked when a pointer button is pressed within them: LeftTitleButton "bitmapname" = function or RightTitleButton "bitmapname" = function The bitmapname may refer to one of the built-in bitmaps (which are scaled to match TitleFont) by using the appropriate colon-prefixed name described above. Key and pointer button specifications must give the modifiers that must be pressed, over which parts of the screen the pointer must be, and what function is to be invoked. Keys are given as strings containing the appropriate keysym name; buttons are given as the keywords But- ton1-Button5: "FP1" = modlist : context : function Button1 = modlist : context : function The modlist is any combination of the modifier names shift, control, lock, meta, mod1, mod2, mod3, mod4, or mod5 (which may be abbreviated as s, c, l, m, m1, m2, m3, m4, m5, respectively) separated by a verti- cal bar (|). Similarly, the context is any combination of window, ti- tle, icon, root, frame, iconmgr, their first letters (iconmgr abbrevia- tion is m), or all, separated by a vertical bar. The function is any of the f. keywords described below. For example, the default startup file contains the following bindings: Button1 = : root : f.menu "TwmWindows" Button1 = m : window | icon : f.function "move-or-lower" Button2 = m : window | icon : f.iconify Button3 = m : window | icon : f.function "move-or-raise" Button1 = : title : f.function "move-or-raise" Button2 = : title : f.raiselower Button1 = : icon : f.function "move-or-iconify" Button2 = : icon : f.iconify Button1 = : iconmgr : f.iconify Button2 = : iconmgr : f.iconify A user who wanted to be able to manipulate windows from the keyboard could use the following bindings: "F1" = : all : f.iconify "F2" = : all : f.raiselower "F3" = : all : f.warpring "next" "F4" = : all : f.warpto "xmh" "F5" = : all : f.warpto "emacs" "F6" = : all : f.colormap "next" "F7" = : all : f.colormap "default" "F20" = : all : f.warptoscreen "next" "Left" = m : all : f.backiconmgr "Right" = m | s : all : f.forwiconmgr "Up" = m : all : f.upiconmgr "Down" = m | s : all : f.downiconmgr Twm provides many more window manipulation primitives than can be con- veniently stored in a titlebar, menu, or set of key bindings. Although a small set of defaults are supplied (unless the NoDefaults is speci- fied), most users will want to have their most common operations bound to key and button strokes. To do this, twm associates names with each of the primitives and provides user-defined functions for building higher level primitives and menus for interactively selecting among groups of functions. User-defined functions contain the name by which they are referenced in calls to f.function and a list of other functions to execute. For ex- ample: Function "move-or-lower" { f.move f.deltastop f.lower } Function "move-or-raise" { f.move f.deltastop f.raise } Function "move-or-iconify" { f.move f.deltastop f.iconify } Function "restore-colormap" { f.colormap "default" f.lower } The function name must be used in f.function exactly as it appears in the function specification. In the descriptions below, if the function is said to operate on the selected window, but is invoked from a root menu, the cursor will be changed to the Select cursor and the next window to receive a button press will be chosen: ! string This is an abbreviation for f.exec string. f.autoraise This function toggles whether or not the selected window is raised whenever entered by the pointer. See the description of the variable AutoRaise. f.backiconmgr This function warps the pointer to the previous column in the current icon manager, wrapping back to the previous row if nec- essary. f.beep This function sounds the keyboard bell. f.bottomzoom This function is similar to the f.fullzoom function, but re- sizes the window to fill only the bottom half of the screen. f.circledown This function lowers the top-most window that occludes another window. f.circleup This function raises the bottom-most window that is occluded by another window. f.colormap string This function rotates the colormaps (obtained from the WM_COL- ORMAP_WINDOWS property on the window) that twm will display when the pointer is in this window. The argument string may have one of the following values: "next", "prev", and "de- fault". f.constrainedmove This function will have approximately the same behavior, except that the move will be constrained without need for double clicking. f.deiconify This function deiconifies the selected window. If the window is not an icon, this function does nothing. f.delete This function sends the WM_DELETE_WINDOW message to the se- lected window if the client application has requested it through the WM_PROTOCOLS window property. The application is supposed to respond to the message by removing the indicated window. If the window has not requested WM_DELETE_WINDOW mes- sages, the keyboard bell will be rung indicating that the user should choose an alternative method. f.deltastop This function allows a user-defined function to be aborted if the pointer has been moved more than MoveDelta pixels. See the example definition given for Function "move-or-raise" at the beginning of the section. f.destroy This function instructs the X server to close the display con- nection of the client that created the selected window. This should only be used as a last resort for shutting down runaway clients. f.downiconmgr This function warps the pointer to the next row in the current icon manger, wrapping to the beginning of the next column if necessary. f.exec string This function passes the argument string to /bin/sh for execu- tion. In multiscreen mode, if string starts a new X client without giving a display argument, the client will appear on the screen from which this function was invoked. f.focus This function toggles the keyboard focus of the server to the selected window, changing the focus rule from pointer-driven if necessary. If the selected window already was focused, this function executes an f.unfocus. f.forcemove This function is like f.move except that it ignores the Dont- MoveOff variable. f.forwiconmgr This function warps the pointer to the next column in the cur- rent icon manager, wrapping to the beginning of the next row if necessary. f.fullzoom This function resizes the selected window to the full size of the display or else restores the original size if the window was already zoomed. f.function string This function executes the user-defined function whose name is specified by the argument string. f.hbzoom This function is a synonym for f.bottomzoom. f.hideiconmgr This function unmaps the current icon manager. f.horizoom This variable is similar to the f.zoom function except that the selected window is resized to the full width of the display. f.htzoom This function is a synonym for f.topzoom. f.hzoom This function is a synonym for f.horizoom. f.iconify This function iconifies or deiconifies the selected window or icon, respectively. f.identify This function displays a summary of the name and geometry of the selected window. Clicking the pointer or pressing a key in the window will dismiss it. f.lefticonmgr This function similar to f.backiconmgr except that wrapping does not change rows. f.leftzoom This variable is similar to the f.bottomzoom function but causes the selected window is only resized to the left half of the display. f.lower This function lowers the selected window. f.menu string This function invokes the menu specified by the argument string. Cascaded menus may be built by nesting calls to f.menu and f.piemenu. f.move This function drags an outline of the selected window (or the window itself if the OpaqueMove variable is set) until the in- voking pointer button is released. Double clicking within the number of milliseconds given by ConstrainedMoveTime warps the pointer to the center of the window and constrains the move to be either horizontal or vertical depending on which grid line is crossed. To abort a move, press another button before re- leasing the first button. f.nexticonmgr This function warps the pointer to the next icon manager con- taining any windows on the current or any succeeding screen. f.nop This function does nothing and is typically used with the De- faultFunction or WindowFunction variables or to introduce blank lines in menus. f.opaquemove This function will exact as does f.move, but it will do an opaque move regardless of whether OpaqueMove is set or not. f.panner This function toggles the display of the panner window. f.piemenu string This function invokes the pie menu specified by the argument string. Cascaded menus may be built by nesting calls to f.piemenu and f.menu. f.previconmgr This function warps the pointer to the previous icon manager containing any windows on the current or preceding screens. f.quit This function causes twm to restore the window's borders and exit. If twm is the first client invoked from xdm, this will result in a server reset. f.raise This function raises the selected window. f.raiselower This function raises the selected window to the top of the stacking order if it is occluded by any windows, otherwise the window will be lowered. f.refresh This function causes all windows to be refreshed. f.relativeresize This function will do a resize and behave as if AutoRelativeRe- size were set, whether it is or not f.resize This function displays an outline of the selected window. Crossing a border (or setting AutoRelativeResize) will cause the outline to begin to rubber band until the invoking button is released. To abort a resize, press another button before releasing the first button. f.restart This function kills and restarts twm. f.righticonmgr This function is similar to f.nexticonmgr except that wrapping does not change rows. f.rightzoom This variable is similar to the f.bottomzoom function except that the selected window is only resized to the right half of the display. f.saveyourself This function sends a WM_SAVEYOURSELF message to the selected window if it has requested the message in its WM_PROTOCOLS win- dow property. Clients that accept this message are supposed to checkpoint all state associated with the window and update the WM_COMMAND property as specified in the ICCCM. If the selected window has not selected for this message, the keyboard bell will be rung. f.scroll string This function scrolls the Virtual Desktop to a specific logical screen quadrant. The string parameter is a geometry specifica- tion indicating how to scroll the desktop. For example, "+0+0" would scroll the desktop to the home location and "+2+1" would scroll the desktop to the quadrant in the third logical column and the second row. f.scrollback This function scrolls the Virtual Desktop back to its previous location. f.scrolldown This function scrolls the Virtual Desktop down a fraction of the height of the screen specified in ScrollDistanceY. f.scrollhome This function scrolls the Virtual Desktop to the home location. f.scrollleft This function scrolls the Virtual Desktop left a fraction of the width of the screen specified in ScrollDistanceX. f.scrollright This function scrolls the Virtual Desktop right a fraction of the width of the screen specified in ScrollDistanceX. f.scrollup This function scrolls the Virtual Desktop up one a fraction of the height of the screen specified in ScrollDistanceY. f.showiconmgr This function maps the current icon manager. f.sorticonmgr This function sorts the entries in the current icon manager al- phabetically. See the variable SortIconManager. f.stick This funtion toggles making a window sticky. f.title This function provides a centered, unselectable item in a menu definition. It should not be used in any other context. f.topzoom This variable is similar to the f.bottomzoom function except that the selected window is only resized to the top half of the display. f.unfocus This function resets the focus back to pointer-driven. This should be used when a focused window is no longer desired. f.upiconmgr This function warps the pointer to the previous row in the cur- rent icon manager, wrapping to the last row in the same column if necessary. f.vlzoom This function is a synonym for f.leftzoom. f.vrzoom This function is a synonym for f.rightzoom. f.warpring string This function warps the pointer to the next or previous window (as indicated by the argument string, which may be "next" or "prev") specified in the WindowRing variable. f.warpto string This function warps the pointer to the window which has a name or class that matches string. If the window is iconified, it will be deiconified if the variable WarpUnmapped is set or else ignored. In addition to warping the pointer to the window the Virtual Desktop will be scrolled to the logical quadrant that contains the window. f.warptoiconmgr string This function warps the pointer to the icon manager entry asso- ciated with the window containing the pointer in the icon man- ager specified by the argument string. If string is empty (i.e. ""), the current icon manager is chosen. f.warptoscreen string This function warps the pointer to the screen specified by the argument string. String may be a number (e.g. "0" or "1"), the word "next" (indicating the current screen plus 1, skipping over any unmanaged screens), the word "back" (indicating the current screen minus 1, skipping over any unmanaged screens), or the word "prev" (indicating the last screen visited. f.winrefresh This function is similar to the f.refresh function except that only the selected window is refreshed. f.zoom This function is similar to the f.fullzoom function, except that the only the height of the selected window is changed. MENUS Functions may be grouped and interactively selected using pop-up (when bound to a pointer button) or pull-down (when associated with a title- button) linear menus or pie menus. Normal menus have a vertical lay- out, and pie menus have a circular layout. Each menu specification contains the name of the menu as it will be referred to by f.menu or f.piemenu, optional initial direction (for pie menus), optional default foreground and background colors, the list of item names and the func- tions they should invoke, and optional foreground and background colors for individual items: Menu "menuname" [ ("deffore":"defback") ] { string1 [ ("fore1":"backn")] function1 string2 [ ("fore2":"backn")] function2 . . . stringN [ ("foreN":"backN")] functionN } The menuname is case-sensitive. The optional deffore and defback argu- ments specify the foreground and background colors used on a color dis- play to highlight menu entries. The string portion of each menu entry will be the text which will appear in the menu. The optional fore and back arguments specify the foreground and background colors of the menu entry when the pointer is not in the entry. These colors will only be used on a color display. The default is to use the colors specified by the MenuForeground and MenuBackground variables. The function portion of the menu entry is one of the functions, including any user-defined functions, or additional menus. There is a special menu named TwmWindows which contains the names of all of the client and twm-supplied windows. Selecting an entry will cause the WindowFunction to be executed on that window. If WindowFunc- tion hasn't been set, the window will be deiconified and raised. If the Virtual Desktop is enabled, the desktop will also be scrolled to the logical quadrant that contains the windows. Pie menus are defined in the same way as linear menus, using the PieMenu command instead of the Menu command. They have an extra op- tional argument specifying the direction of the first label, in de- grees. Subsequent labels are evenly spaced in a circle around the cen- ter of the menu, in a counter-clockwise direction. The default direc- tion if not specified is 0, which is to the right. PieMenu "piemenuname" [ ("deffore":"defback") ] [ @ degrees ] { string1 [ ("fore1":"backn")] function1 string2 [ ("fore2":"backn")] function2 . . . stringN [ ("foreN":"backN")] functionN } ICONS Twm supports several different ways of manipulating iconified windows. The common pixmap-and-text style may be laid out by hand or automati- cally arranged as described by the IconRegion variable. In addition, a terse grid of icon names, called an icon manager, provides a more effi- cient use of screen space as well as the ability to navigate among win- dows from the keyboard. An icon manager is a window that contains names of selected or all win- dows currently on the display. In addition to the window name, a small button using the default iconify symbol will be displayed to the left of the name when the window is iconified. By default, clicking on an entry in the icon manager performs f.iconify. To change the actions taken in the icon manager, use the the iconmgr context when specifying button and keyboard bindings. Moving the pointer into the icon manager also directs keyboard focus to the indicated window (setting the focus explicitly or else sending syn- thetic events NoTitleFocus is set). Using the f.upiconmgr, f.downicon- mgr f.lefticonmgr, and f.righticonmgr functions, the input focus can be changed between windows directly from the keyboard. BUGS The resource manager should have been used instead of all of the window lists. The IconRegion variable should take a list. Double clicking very fast to get the constrained move function will sometimes cause the window to move, even though the pointer is not moved. If IconifyByUnmapping is on and windows are listed in IconManager- DontShow but not in DontIconifyByUnmapping, they may be lost if they are iconified and no bindings to f.menu "TwmWindows" or f.warpto are setup. FILES $HOME/.piewmrc.<screen number> $HOME/.piewmrc $HOME/.twmrc.<screen number> $HOME/.twmrc /usr/lib/X11/twm/system.twmrc ENVIRONMENT VARIABLES DISPLAY This variable is used to determine which X server to use. It is also set during f.exec so that programs come up on the proper screen. HOME This variable is used as the prefix for files that begin with a tilde and for locating the twm startup file. SEE ALSO X(1), Xserver(1), xdm(1), xrdb(1), m4(1) COPYRIGHT Portions copyright 1988 Evans & Sutherland Computer Corporation; por- tions copyright 1989 Hewlett-Packard Company and the Massachusetts In- stitute of Technology, See X(1) for a full statement of rights and permissions. AUTHORS Tom LaStrange, Solbourne Computer; Chris Ross, University of Maryland; Jim Fulton, MIT X Consortium; Steve Pitschke, Stardent Computer; Keith Packard, MIT X Consortium; Dave Payne, Apple Computer; Don Hop- kins, CMU. Virtual Desktop added by Tom LaStrange, Solbourne Computer. Pie menus designed and implemented by Don Hopkins, CMU. X Version 11 Release 5 PIEWM(1)
NAME | SYNTAX | DESCRIPTION | OPTIONS | CUSTOMIZATION | M4 PREPROCESSING | VIRTUAL DESKTOP | PIE MENUS | VARIABLES | BINDINGS | MENUS | ICONS | BUGS | FILES | ENVIRONMENT VARIABLES | SEE ALSO | COPYRIGHT | AUTHORS
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