ClickHandler (
        self,
        type,
        t,
        )

Internal Callback for GraphDisplay

CmdContinue ( self )

Command linked to toolbar Continue

CmdStart ( self )

Command linked to toolbar Start

Tool bar Commands

The tool bar commands are passed as call back parameters to the tool bar buttons.

CmdStep ( self )

Command linked to toolbar Step

CmdStop ( self )

Command linked to toolbar Stop

CmdTrace ( self )

Command linked to toolbar Trace

CommitStop ( self )

Commit a stop for the GUI

ExportEPSF ( self )

GUI to control export of EPSF file

HideBreakpoint ( self,  lineNo )

Show lineNo w/o breakpoint

KeyBreak ( self,  event )

Command for toggling breakpoints

KeyContinue ( self,  event )

Command linked to toolbar Continue

KeyStart ( self,  event )

Command linked to toolbar Start

KeyStep ( self,  event )

Command linked to toolbar Step

KeyTrace ( self,  event )

Command linked to toolbar Trace

OneGraphWindow ( self )

Align windows nicely for one graph window

OpenAlgorithm ( self,  file="" )

GUI to allow selection of algorithm to open file parameter for testing purposes

Menu Commands

The menu commands are passed as call back parameters to the menu items.

OpenGraph ( self,  file="" )

GUI to allow selection of graph to open file parameter for testing purposes

OpenSecondaryGraphDisplay ( self )

Pops up a second graph window

PickInteractive (
        self,
        type,
        filterChoice=None,
        )

Pick a vertex or an edge (specified by type) interactively

GUI blocks until - a fitting object is clicked - the algorithm is stopped - Step is clicked which will randomly select a vertex or an edge

filterChoice is an optional method (only argument: the vertex or edge). It returns true if the choice is acceptable

NOTE: To avoid fatal blocks randomly selected objects are not subjected to filterChoice

Preferences ( self )

Handle editing preferences

ShowActive ( self,  lineNo )

Show lineNo as active line

Public methods (for callbacks from algorithm)

ShowBreakpoint ( self,  lineNo )

Show lineNo as breakpoint

TwoGraphWindow ( self )

Align windows nicely for two graph windows

WaitNextEvent ( self )

Stop Execution until user does something. This avoids busy idling. See touchLock()

WaitTime ( self,  delay )

Stop Execution until delay is passed. This avoids busy idling. See touchLock()

WithdrawSecondaryGraphDisplay ( self )

Hide window containing second graph

activateMenu ( self )

Make the menu active (i.e., after stopping an algo)

deactivateMenu ( self )

Make the menu inactive (i.e., before running an algo)

handleMouse ( self,  event )

Callback for canvas to allow toggeling of breakpoints

handleMouse

makeAlgoTextWidget ( self )

Internal Here we also define appearance of - interactive lines - breakpoints - the active line

makeMenuBar ( self )

Internal Now using Tk 8.0 style menues

Create GUI

makeToolBar ( self )

Internal Creates Start/Stop/COntinue ... toolbar

tagLine (
        self,
        lineNo,
        tag,
        )

Add tag tag to line lineNo

tagLines (
        self,
        lines,
        tag,
        )

Tag every line in list lines with specified tag

tokenEater (
        self,
        type,
        token,
        (,
        (,
        line,
        )

print "%d,%d-%d,%d:\t%s\t%s" % \ (srow, scol, erow, ecol, type, repr(token))

touchLock ( self )

Internal The lock (self.goOn) is a variable which is used to control the flow of the programm and to allow GUI interactions without busy idling.

The following methods wait for the lock to be touched:

• WaitNextEvent - WaitTime

The following methods touch it:

• CmdStop - CmdStep - CmdContinue

Lock

unTagLine (
        self,
        lineNo,
        tag,
        )

Remove tag tag from line lineNo