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EAN : 9782746097124
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Gnome2::Canvas::Item(3pm)


Gnome2::Canvas::Item

Gnome2::Canvas::Item

NAME
HIERARCHY
METHODS
PROPERTIES
SIGNALS
ENUMS AND FLAGS
SEE ALSO
COPYRIGHT

NAME

Gnome2::Canvas::Item

HIERARCHY

  Glib::Object
  +−−−−Glib::Object::_Unregistered::GInitiallyUnowned
       +−−−−Gtk2::Object
            +−−−−Gnome2::Canvas::Item

METHODS

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

* $parent (Gnome2::Canvas::Group)
* $object_class (string)
* ... (list) property name => value pairs

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

$item−>affine_absolute ($affine)

* $affine (arrayref) affine transformation matrix

Replaces $item’s transformation matrix.

$item−>affine_relative ($affine)

* $affine (arrayref) affine transformation matrix

Combines $affine with $item’s current transformation.

(x1, y1, x2, y2) = $item−>get_bounds

$canvas = $item−>canvas

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

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

* $event_mask (Gtk2::Gdk::EventMask)
* $cursor (Gtk2::Gdk::Cursor)
* $etime (unsigned)

$item−>grab_focus

$item−>hide

$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 (double)
* $y (double)

$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)

* $positions (integer)

$item−>lower_to_bottom

$item−>move ($dx, $dy)

* $dx (double)
* $dy (double)

$canvasgroup = $item−>parent

Fetch $item’s parent group item.

$item−>raise ($positions)

* $positions (integer)

$item−>raise_to_top

$item−>reparent ($new_group)

* $new_group (Gnome2::Canvas::Group)

$item−>request_update

$item−>reset_bounds

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

$item−>show

$item−>ungrab ($etime=GDK_CURRENT_TIME)

* $etime (unsigned)

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

* $x1 (integer)
* $y1 (integer)
* $x2 (integer)
* $y2 (integer)

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

(x, y) = $item−>w2i ($x, $y)

* $x (double)
* $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
* ’exposure−mask’ / ’ GDK_EXPOSURE_MASK
* ’pointer−motion−mask’ / ’ GDK_POINTER_MOTION_MASK
* ’pointer−motion−hint−mask’ / ’ GDK_POINTER_MOTION_HINT_MASK
* ’button−motion−mask’ / ’ GDK_BUTTON_MOTION_MASK
* ’button1−motion−mask’ / ’ GDK_BUTTON1_MOTION_MASK
* ’button2−motion−mask’ / ’ GDK_BUTTON2_MOTION_MASK
* ’button3−motion−mask’ / ’ GDK_BUTTON3_MOTION_MASK
* ’button−press−mask’ / ’ GDK_BUTTON_PRESS_MASK
* ’button−release−mask’ / ’ GDK_BUTTON_RELEASE_MASK
* ’key−press−mask’ / ’ GDK_KEY_PRESS_MASK
* ’key−release−mask’ / ’ GDK_KEY_RELEASE_MASK
* ’enter−notify−mask’ / ’ GDK_ENTER_NOTIFY_MASK
* ’leave−notify−mask’ / ’ GDK_LEAVE_NOTIFY_MASK
* ’focus−change−mask’ / ’ GDK_FOCUS_CHANGE_MASK
* ’structure−mask’ / ’ GDK_STRUCTURE_MASK
* ’property−change−mask’ / ’ GDK_PROPERTY_CHANGE_MASK
* ’visibility−notify−mask’ / ’ GDK_VISIBILITY_NOTIFY_MASK
* ’proximity−in−mask’ / ’ GDK_PROXIMITY_IN_MASK
* ’proximity−out−mask’ / ’ GDK_PROXIMITY_OUT_MASK
* ’substructure−mask’ / ’ GDK_SUBSTRUCTURE_MASK
* ’scroll−mask’ / ’ GDK_SCROLL_MASK
* ’all−events−mask’ / ’ GDK_ALL_EVENTS_MASK

enum Gtk2::Gdk::GrabStatus
* ’success’ / ’ GDK_GRAB_SUCCESS
* ’already−grabbed’ / ’ GDK_GRAB_ALREADY_GRABBED
* ’invalid−time’ / ’ GDK_GRAB_INVALID_TIME
* ’not−viewable’ / ’ GDK_GRAB_NOT_VIEWABLE
* ’frozen’ / ’ GDK_GRAB_FROZEN

SEE ALSO

Gnome2::Canvas, Glib::Object, Glib::Object::_Unregistered::GInitiallyUnowned, 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.



Gnome2::Canvas::Item(3pm)