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Gnome2::Canvas::Item.3pm

NAME

Gnome2::Canvas::Item

HIERARCHY

   Glib::Object
   +----Glib::InitiallyUnowned
        +----Gtk2::Object
             +----Gnome2::Canvas::Item
 
 

METHODS

item = Gnome2::Canvas::Item->new ($parent, $object_class, ...)

item = Gnome2::Canvas::Item->new ($parent, $object_class, ...)

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$parent (Gnome2::Canvas::Group)

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$object_class (string)

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... (list) property name => value pairs

Factory constructor for Gnome2::Canvas::Item subclasses.

$item->affine_absolute ($affine)

$item->affine_absolute ($affine)

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$affine (arrayref) affine transformation matrix

Replaces $item's transformation matrix.

$item->affine_relative ($affine)

$item->affine_relative ($affine)

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$affine (arrayref) affine transformation matrix

Combines $affine with $item's current transformation.

(x1, y1, x2, y2) = $item->get_bounds

(x1, y1, x2, y2) = $item->get_bounds

$canvas = $item->canvas

$canvas = $item->canvas

Fetch the Gnome2::Canvas to which $item is attached.

grabstatus = $item->grab ($event_mask, $cursor, $etime=GDK_CURRENT_TIME)

grabstatus = $item->grab ($event_mask, $cursor, $etime=GDK_CURRENT_TIME)

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$event_mask (Gtk2::Gdk::EventMask)

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$cursor (Gtk2::Gdk::Cursor)

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$etime (unsigned)

$item->grab_focus

$item->grab_focus

$item->hide

$item->hide

$affine = $item->i2c_affine

$affine = $item->i2c_affine

Fetch the affine transform that converts from item-relative coordinates to canvas pixel coordinates.
Note: This method was completely broken for all $Gnome2::Canvas::VERSION < 1.002.

(x, y) = $item->i2w ($x, $y)

(x, y) = $item->i2w ($x, $y)

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$x (double)

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$y (double)

$affine = $item->i2w_affine

$affine = $item->i2w_affine

Fetch the affine transform that converts from item's coordinate system to world coordinates.
Note: This method was completely broken for all $Gnome2::Canvas::VERSION < 1.002.

$item->lower ($positions)

$item->lower ($positions)

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$positions (integer)

$item->lower_to_bottom

$item->lower_to_bottom

$item->move ($dx, $dy)

$item->move ($dx, $dy)

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$dx (double)

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$dy (double)

$canvasgroup = $item->parent

$canvasgroup = $item->parent

Fetch $item's parent group item.

$item->raise ($positions)

$item->raise ($positions)

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$positions (integer)

$item->raise_to_top

$item->raise_to_top

$item->reparent ($new_group)

$item->reparent ($new_group)

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$new_group (Gnome2::Canvas::Group)

$item->request_update

$item->request_update

$item->reset_bounds

$item->reset_bounds

Reset the bounding box of $item to an empty rectangle.

$item->show

$item->show

$item->ungrab ($etime=GDK_CURRENT_TIME)

$item->ungrab ($etime=GDK_CURRENT_TIME)

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$etime (unsigned)

$item->update_bbox ($x1, $y1, $x2, $y2)

$item->update_bbox ($x1, $y1, $x2, $y2)

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$x1 (integer)

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$y1 (integer)

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$x2 (integer)

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$y2 (integer)

Set $item's bounding box to a new rectangle, and request a full repaint.

(x, y) = $item->w2i ($x, $y)

(x, y) = $item->w2i ($x, $y)

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$x (double)

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$y (double)

PROPERTIES

'parent' (Gnome2::Canvas::Item : readable / writable)

SIGNALS

boolean = event (Gnome2::Canvas::Item, Gtk2::Gdk::Event)

ENUMS AND FLAGS

flags Gtk2::Gdk::EventMask

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'exposure-mask' / 'GDK_EXPOSURE_MASK'

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'pointer-motion-mask' / 'GDK_POINTER_MOTION_MASK'

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'pointer-motion-hint-mask' / 'GDK_POINTER_MOTION_HINT_MASK'

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'button-motion-mask' / 'GDK_BUTTON_MOTION_MASK'

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'button1-motion-mask' / 'GDK_BUTTON1_MOTION_MASK'

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'button2-motion-mask' / 'GDK_BUTTON2_MOTION_MASK'

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'button3-motion-mask' / 'GDK_BUTTON3_MOTION_MASK'

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'button-press-mask' / 'GDK_BUTTON_PRESS_MASK'

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'button-release-mask' / 'GDK_BUTTON_RELEASE_MASK'

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'key-press-mask' / 'GDK_KEY_PRESS_MASK'

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'key-release-mask' / 'GDK_KEY_RELEASE_MASK'

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'enter-notify-mask' / 'GDK_ENTER_NOTIFY_MASK'

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'leave-notify-mask' / 'GDK_LEAVE_NOTIFY_MASK'

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'focus-change-mask' / 'GDK_FOCUS_CHANGE_MASK'

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'structure-mask' / 'GDK_STRUCTURE_MASK'

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'property-change-mask' / 'GDK_PROPERTY_CHANGE_MASK'

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'visibility-notify-mask' / 'GDK_VISIBILITY_NOTIFY_MASK'

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'proximity-in-mask' / 'GDK_PROXIMITY_IN_MASK'

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'proximity-out-mask' / 'GDK_PROXIMITY_OUT_MASK'

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'substructure-mask' / 'GDK_SUBSTRUCTURE_MASK'

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'scroll-mask' / 'GDK_SCROLL_MASK'

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'all-events-mask' / 'GDK_ALL_EVENTS_MASK'

enum Gtk2::Gdk::GrabStatus

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'success' / 'GDK_GRAB_SUCCESS'

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'already-grabbed' / 'GDK_GRAB_ALREADY_GRABBED'

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'invalid-time' / 'GDK_GRAB_INVALID_TIME'

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'not-viewable' / 'GDK_GRAB_NOT_VIEWABLE'

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'frozen' / 'GDK_GRAB_FROZEN'

SEE ALSO

Gnome2::Canvas, Glib::Object, Glib::InitiallyUnowned, Gtk2::Object

COPYRIGHT

Copyright (C) 2003-2004 by the Gtk2-Perl Team.

This software is licensed under the LGPL; see Gnome2::Canvas for a full notice.