Version 5.0 The LEDA User Manual

ool
GW.del(geo scenegroup GS , geo scene sc)
removes sc from scene group GS and returns true, if
the operation was succesful (false: sc was not in GS).
i) Further Operations
int GW.set button width(int w)
int GW.set button height(int h)
sets the width of the scene visibility buttons in GW
and returns the previous value.
sets the height of the scene visibility buttons in GW
and returns the previous value.
You can associate a) buttons with labels or b) bitmap buttons with the visibility of a
scene in GeoWin. You cannot use a) and b) at the same time. The following operations
allow you to use add such visibility buttons to GeoWin. Note that before setting bitmap
buttons with the set bitmap operation you have to set the button width and height.
void
void
void
GW.set label(geo scene sc, string label)
associates a button with label label with the visibility
of scene sc.
GW.set bitmap(geo scene sc, unsigned char ∗ bitmap)
associates a button with bitmap bitmap with the visibility
of scene sc.
GW.add scene buttons(const list& Ls, const list& Ln)
add a multiple choice panel for visibility of the scenes
in Ls to GW . The button for the n-th scene in Ls
gets the n-th label in Ln.
void GW.add scene buttons(const list& Ls, int w, int h,
unsigned char ∗ ∗bm)
add a multiple choice panel for visibility of the scenes
in Ls to GW . The button for the n-th scene in Ls
gets the n-th bitmap in bm. The bitmaps have width
w and height h.
list GW.get scenes( ) returns the scenes of GW .
list GW.get scenegroups( )
list GW.get scenes(geo scenegroup gs)
list GW.get visible scenes( )
returns the scene groups of GW .
returns the scenes of group gs.
returns the visible scenes of GW .