MagnifyTool(3U) InterViews Reference Manual MagnifyTool(3U)NAME
MagnifyTool - tool for magnifying a portion of the GraphicView displayed in a viewer
SYNOPSIS
#include <Unidraw/Tools/magnify.h>
DESCRIPTION
MagnifyTool lets the user magnify a portion a viewer's contents. The user sweeps out a rectangular area with the MagnifyTool, and the
viewer will magnify the area to occupy the entire screen, if possible.
PUBLIC OPERATIONS
MagnifyTool(ControlInfo* = nil)
Instantiate a MagnifyTool.
virtual Manipulator* CreateManipulator(
Viewer*, Event&, Transformer*
)
virtual void InterpretManipulator(Manipulator*)
CreateManipulator generates a DragManip with a RubberRect to provide visual feedback for specifying the rectangular area to be mag-
nified. InterpretManipulator does not create a command; rather, it examines the DragManipulator's RubberRect and calls Magnify on
the viewer with the RubberRect's final coordinates.
SEE ALSO Rubband(3I), Tool(3U), Viewer(3U), manips(3U)Unidraw 23 January 1991 MagnifyTool(3U)
Check Out this Related Man Page
SelectTool(3U) InterViews Reference Manual SelectTool(3U)NAME
SelectTool - tool for modifying an editor's current selection
SYNOPSIS
#include <Unidraw/Tools/select.h>
DESCRIPTION
SelectTool lets a user change the current selection by direct manipulation, thus affecting the enclosing editor's selection object. A sin-
gle click directly on a component view selects that view and unselects all others. Clicking while holding the Shift key down adds the tar-
get component to the selection if it was not already selected and removes it if it was selected. The user can select all components within
a rectangular area in the viewer by clicking somewhere outside the nearest component and dragging to specify the rectangular area. All
components completely within the area will be selected.
PUBLIC OPERATIONS
SelectTool(ControlInfo* = nil)
Create a new SelectTool.
virtual Manipulator* CreateManipulator(
Viewer*, Event&, Transformer*
)
virtual void InterpretManipulator(Manipulator*)
If the user did not click on a component, then CreateManipulator creates a DragManip with a RubberRect for dragging out a rectangu-
lar area. Otherwise, CreateManipulator clears the editor's selection and selects the hit component. If the user holds the Shift
key down in either case, the components that would have otherwise been selected will be unselected, and vice versa. InterpretManip-
ulator will only be called if CreateManipulator returned a non-nil manipulator; in this case InterpretManipulator will examine the
DragManipulator's RubberRect and select the component views falling completely within it.
PROTECTED OPERATIONS
virtual void Localize(Selection*, Viewer*)
Localize ensures that the given selection object contains only those views displayed in the given viewer. CreateManipulator calls
this function to avoid possibly shift-selecting views from different components.
SEE ALSO Editor(3U), Rubband(3I), Selection(3U), Tool(3U), Viewer(3U), manips(3U)Unidraw 24 January 1991 SelectTool(3U)
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