catcmds(3u) [debian man page]

catcmds(3U)						    InterViews Reference Manual 					       catcmds(3U)

NAME

       NewCompCmd, PrintCmd, QuitCmd, RevertCmd, SaveCompCmd, SaveCompAsCmd, ViewCompCmd - catalog-oriented commands

SYNOPSIS

       #include <Unidraw/Commands/catcmds.h>

DESCRIPTION

       The Unidraw library predefines a set of non-interpretive commands that let a user specify components to open, view, and save, plus commands
       for generating a PostScript external representation and for quitting the application.  NewCompCmd re-initializes its editor's component	to
       let  the  user  start editing afresh.  If the existing component is modified, NewCompCmd prompts the user to save it.  PrintCmd generates a
       PostScriptView of the editor's component and lets the user send it to a file or to a printer.  QuitCmd quits the application, prompting the
       user  to  save  modified  components.   RevertCmd  lets the user re-open the current component, discarding changes since it was last saved.
       SaveCompAsCmd lets the user save a component under a particular name, while SaveCompCmd saves a component named previously.  Finally, View-
       CompCmd lets the user specify another component to view in its editor.

NEWCOMPCMD PUBLIC OPERATIONS

       NewCompCmd(ControlInfo*, Component* prototype = nil)
       NewCompCmd(Editor* = nil, Component* = nil)
	      Create a new NewCompCmd instance, optionally supplying a prototype component.  When executed, NewCompCmd will make its editor edit a
	      copy of the prototype.  The editor's original component will be deleted if no other editor refers to it.

       virtual boolean Reversible()
	      NewCompCmd is not reversible.

       Component* GetPrototype()
	      Return the prototype component specified in the constructor.

PRINTCMD PUBLIC OPERATIONS

       PrintCmd(ControlInfo*, PrintDialog* = nil)
       PrintCmd(Editor* = nil, PrintDialog* = nil)
	      Create a new PrintCmd instance, optionally supplying the PrintDialog to display when executed.

       virtual boolean Reversible()
	      PrintCmd is not reversible.

PRINTCMD PROTECTED OPERATIONS

       void print(const char* print_cmd, const char* file)
	      Concatenates print_cmd and file and calls system(3) on the result.

QUITCMD PUBLIC OPERATIONS

       QuitCmd(ControlInfo*)
       QuitCmd(Editor* = nil)
	      Create a new QuitCmd instance.

       virtual boolean Reversible()
	      QuitCmd is not reversible.

REVERTCMD PUBLIC OPERATIONS

       RevertCmd(ControlInfo*)
       RevertCmd(Editor* = nil)
	      Create a new RevertCmd instance.

       virtual boolean Reversible()
	      RevertCmd is not reversible.

SAVECOMPCMD PUBLIC OPERATIONS

       SaveCompCmd(ControlInfo*)
       SaveCompCmd(Editor* = nil)
	      Create a new SaveCompCmd instance.

       virtual boolean Reversible()
	      SaveCompCmd is not reversible.

SAVECOMPASCMD PUBLIC OPERATIONS

       SaveCompAsCmd(ControlInfo*, FileChooser* = nil)
       SaveCompAsCmd(Editor* = nil, FileChooser* = nil)
	      Create a new SaveCompAsCmd instance, optionally supplying the FileChooser that will prompt the user to name the component.

       virtual boolean Reversible()
	      SaveCompAsCmd is not reversible.

VIEWCOMPCMD PUBLIC OPERATIONS

       ViewCompCmd(ControlInfo*, FileChooser* = nil)
       ViewCompCmd(Editor* = nil, FileChooser* = nil)
	      Create a new ViewCompCmd instance, optionally supplying the FileChooser that will prompt the user to specify the component to  view.
	      After the new component is opened successfully, the editor's original component will be deleted if no other editor refers to it.

       virtual boolean Reversible()
	      ViewCompCmd is not reversible.

SEE ALSO

       BasicDialog(3U), Command(3U), Component(3U), Editor(3U), PostScriptView(3U), lpr(1).

Unidraw 							  23 January 1991						       catcmds(3U)

Check Out this Related Man Page

struct(3U)						    InterViews Reference Manual 						struct(3U)

NAME

       BackCmd, FrontCmd, GroupCmd, UngroupCmd - commands for modifying components structurally

SYNOPSIS

       #include <Unidraw/Commands/struct.h>

DESCRIPTION

       BackCmd,  FrontCmd,  GroupCmd, and UngroupCmd are purely interpretive commands for altering the structure of their editor's component.  All
       redefine their Execute and Unexecute operations to let the editor's component interpret them as it wishes.

BACKCMD PUBLIC OPERATIONS

       BackCmd(ControlInfo*)
       BackCmd(Editor* = nil)
	      Construct a new BackCmd.

FRONTCMD PUBLIC OPERATIONS

       FrontCmd(ControlInfo*)
       FrontCmd(Editor* = nil)
	      Construct a new FrontCmd.

GROUPCMD PUBLIC OPERATIONS

       GroupCmd(ControlInfo*, GraphicComp* = nil)
       GroupCmd(Editor* = nil, GraphicComp* = nil)
	      Create a new GroupCmd, optionally specifying the component into which components will be grouped.

       virtual void Execute()
       virtual void Unexecute()
	      Execute will set the value of the _executed protected member variable to true as a side effect if anything was grouped.	Similarly,
	      Unexecute will set reset the value to false as a side effect the operation was undone.

       GraphicComp* GetGroup()
       void SetGroup(GraphicComp*)
	      Get or set the component into which components will be grouped.  SetGroup will not delete the old value.

UNGROUPCMD PUBLIC OPERATIONS

       UngroupCmd(ControlInfo*)
       UngroupCmd(Editor* = nil)
	      Construct a new UngroupCmd.

       virtual void Execute()
       virtual void Unexecute()
	      Execute  will  set  the  value of the _executed protected member variable to true as a side effect if anything was ungrouped.  Simi-
	      larly, Unexecute will set reset the value to false as a side effect the operation was undone.

       Clipboard* GetKids()
       void SetKids(Clipboard*)
	      Explicitly set and get a clipboard containing the child components that were ungrouped, which is stored in the _kids protected  mem-
	      ber.   UngroupCmd  does not initialize this member; it merely provides the storage as a convenience to components that interpret the
	      command and need a place to store the ungrouped children to support reverse execution.  However, UngroupCmd  deletes  the  clipboard
	      (if it exists) in ~UngroupCmd. SetKids will not delete the old value.

SEE ALSO

       Command(3U), GraphicComp(3U)

Unidraw 							  24 January 1991							struct(3U)

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