libgoocanvas-dev 0.15-1.1ubuntu1 / usr / share / gtk-doc / html / goocanvas / goocanvas-goocanvasitemmodel.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<a name="goocanvas-goocanvasitemmodel"></a><div class="titlepage"></div>
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<h2>
<a name="id3081474"></a><span class="refentrytitle">GooCanvasItemModel</span>
</h2>
<p>GooCanvasItemModel &#8212; the interface for canvas item models.</p>
</td>
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<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<a name="GooCanvasItemModel"></a><pre class="synopsis">



                    <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel-struct">GooCanvasItemModel</a>;
                    <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModelIface">GooCanvasItemModelIface</a>;

void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-translate">goo_canvas_item_model_translate</a>     (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> tx,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> ty);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-scale">goo_canvas_item_model_scale</a>         (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> sx,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> sy);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-rotate">goo_canvas_item_model_rotate</a>        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> degrees,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cx,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cy);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-skew-x">goo_canvas_item_model_skew_x</a>        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> degrees,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cx,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cy);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-skew-y">goo_canvas_item_model_skew_y</a>        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> degrees,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cx,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cy);
<a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>            <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-get-transform">goo_canvas_item_model_get_transform</a> (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/cairo/cairo-cairo-matrix-t.html#cairo-matrix-t"
>cairo_matrix_t</a> *transform);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-set-transform">goo_canvas_item_model_set_transform</a> (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         const <a
href="/usr/share/gtk-doc/html/cairo/cairo-cairo-matrix-t.html#cairo-matrix-t"
>cairo_matrix_t</a> *transform);
<a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>            <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-get-simple-transform">goo_canvas_item_model_get_simple_transform</a>
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> *x,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> *y,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> *scale,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> *rotation);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-set-simple-transform">goo_canvas_item_model_set_simple_transform</a>
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> x,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> y,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> scale,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> rotation);

void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-animate">goo_canvas_item_model_animate</a>       (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> x,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> y,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> scale,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> degrees,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a> absolute,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> duration,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> step_time,
                                                         <a class="link" href="goocanvas-GooCanvas-Types.html#GooCanvasAnimateType">GooCanvasAnimateType</a> type);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-stop-animation">goo_canvas_item_model_stop_animation</a>
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);

void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-raise">goo_canvas_item_model_raise</a>         (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *above);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-lower">goo_canvas_item_model_lower</a>         (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *below);

void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-remove">goo_canvas_item_model_remove</a>        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);

<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a>* <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-get-parent">goo_canvas_item_model_get_parent</a>    (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-set-parent">goo_canvas_item_model_set_parent</a>    (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *parent);

<a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>            <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-is-container">goo_canvas_item_model_is_container</a>  (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);
<a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a>                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-get-n-children">goo_canvas_item_model_get_n_children</a>
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);
<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a>* <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-get-child">goo_canvas_item_model_get_child</a>     (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> child_num);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-add-child">goo_canvas_item_model_add_child</a>     (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> position);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-move-child">goo_canvas_item_model_move_child</a>    (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> old_position,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> new_position);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-remove-child">goo_canvas_item_model_remove_child</a>  (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> child_num);
<a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a>                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-find-child">goo_canvas_item_model_find_child</a>    (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child);

<a class="link" href="GooCanvasStyle.html" title="GooCanvasStyle">GooCanvasStyle</a>*     <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-get-style">goo_canvas_item_model_get_style</a>     (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-set-style">goo_canvas_item_model_set_style</a>     (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="GooCanvasStyle.html" title="GooCanvasStyle">GooCanvasStyle</a> *style);

void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-class-install-child-property">goo_canvas_item_model_class_install_child_property</a>
                                                        (<a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObjectClass"
>GObjectClass</a> *mclass,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"
>guint</a> property_id,
                                                         <a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec);
<a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a>**        <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-class-list-child-properties">goo_canvas_item_model_class_list_child_properties</a>
                                                        (<a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObjectClass"
>GObjectClass</a> *mclass,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"
>guint</a> *n_properties);
<a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a>*         <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-class-find-child-property">goo_canvas_item_model_class_find_child_property</a>
                                                        (<a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObjectClass"
>GObjectClass</a> *mclass,
                                                         const <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *property_name);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-get-child-property">goo_canvas_item_model_get_child_property</a>
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         const <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *property_name,
                                                         <a
href="/usr/share/gtk-doc/html/gobject/gobject-Generic-values.html#GValue"
>GValue</a> *value);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-set-child-property">goo_canvas_item_model_set_child_property</a>
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         const <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *property_name,
                                                         const <a
href="/usr/share/gtk-doc/html/gobject/gobject-Generic-values.html#GValue"
>GValue</a> *value);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-get-child-properties">goo_canvas_item_model_get_child_properties</a>
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         ...);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-get-child-properties-valist">goo_canvas_item_model_get_child_properties_valist</a>
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         va_list var_args);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-set-child-properties">goo_canvas_item_model_set_child_properties</a>
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         ...);
void                <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-set-child-properties-valist">goo_canvas_item_model_set_child_properties_valist</a>
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         va_list var_args);

</pre>
</div>
<div class="refsect1" lang="en">
<a name="id3108021"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">

  GInterface
   +----GooCanvasItemModel
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id3108045"></a><h2>Prerequisites</h2>
<p>
GooCanvasItemModel requires
 <a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"
>GObject</a>.</p>
</div>
<div class="refsect1" lang="en">
<a name="id3108068"></a><h2>Known Implementations</h2>
<p>
GooCanvasItemModel is implemented by
 <a class="link" href="GooCanvasRectModel.html" title="GooCanvasRectModel">GooCanvasRectModel</a>,  <a class="link" href="GooCanvasEllipseModel.html" title="GooCanvasEllipseModel">GooCanvasEllipseModel</a>,  <a class="link" href="GooCanvasPolylineModel.html" title="GooCanvasPolylineModel">GooCanvasPolylineModel</a>,  <a class="link" href="GooCanvasTableModel.html" title="GooCanvasTableModel">GooCanvasTableModel</a>,  <a class="link" href="GooCanvasItemModelSimple.html" title="GooCanvasItemModelSimple">GooCanvasItemModelSimple</a>,  <a class="link" href="GooCanvasTextModel.html" title="GooCanvasTextModel">GooCanvasTextModel</a>,  <a class="link" href="GooCanvasGridModel.html" title="GooCanvasGridModel">GooCanvasGridModel</a>,  <a class="link" href="GooCanvasPathModel.html" title="GooCanvasPathModel">GooCanvasPathModel</a>,  <a class="link" href="GooCanvasImageModel.html" title="GooCanvasImageModel">GooCanvasImageModel</a> and  <a class="link" href="GooCanvasGroupModel.html" title="GooCanvasGroupModel">GooCanvasGroupModel</a>.</p>
</div>
<div class="refsect1" lang="en">
<a name="id3108144"></a><h2>Properties</h2>
<pre class="synopsis">

  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel--can-focus">can-focus</a>"                <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>              : Read / Write
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel--description">description</a>"              <a
href="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray"
>gchararray</a>            : Read / Write
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel--parent">parent</a>"                   <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a>    : Read / Write
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel--pointer-events">pointer-events</a>"           <a class="link" href="goocanvas-GooCanvas-Types.html#GooCanvasPointerEvents">GooCanvasPointerEvents</a>  : Read / Write
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel--title">title</a>"                    <a
href="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray"
>gchararray</a>            : Read / Write
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel--tooltip">tooltip</a>"                  <a
href="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray"
>gchararray</a>            : Read / Write
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel--transform">transform</a>"                <a class="link" href="goocanvas-GooCanvas-Types.html#GooCairoMatrix">GooCairoMatrix</a>        : Read / Write
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel--visibility">visibility</a>"               <a class="link" href="goocanvas-GooCanvas-Types.html#GooCanvasItemVisibility">GooCanvasItemVisibility</a>  : Read / Write
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel--visibility-threshold">visibility-threshold</a>"     <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a>               : Read / Write
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id3108272"></a><h2>Signals</h2>
<pre class="synopsis">

  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel-animation-finished">animation-finished</a>"                             : Run Last
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel-changed">changed</a>"                                        : Run Last
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel-child-added">child-added</a>"                                    : Run Last
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel-child-moved">child-moved</a>"                                    : Run Last
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel-child-notify">child-notify</a>"                                   : Run First / No Recursion / Has Details / No Hooks
  "<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel-child-removed">child-removed</a>"                                  : Run Last
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id3108334"></a><h2>Description</h2>
<p>
<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a> defines the interface that models for canvas items must
implement, and contains methods for operating on canvas item models.</p>
<p>

</p>
</div>
<div class="refsect1" lang="en">
<a name="id3108363"></a><h2>Details</h2>
<div class="refsect2" lang="en">
<a name="id3108373"></a><h3>
<a name="GooCanvasItemModel-struct"></a>GooCanvasItemModel</h3>
<a class="indexterm" name="id3108385"></a><pre class="programlisting">typedef struct _GooCanvasItemModel GooCanvasItemModel;</pre>
<p>
<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a> is a typedef used for objects that implement the
<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a> interface.
</p>
<p>
(There is no actual <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a> struct, since it is only an interface.
But using '<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>' is more helpful than using '<a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"
><span class="type">GObject</span></a>'.)</p>
<p>

</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3108447"></a><h3>
<a name="GooCanvasItemModelIface"></a>GooCanvasItemModelIface</h3>
<a class="indexterm" name="id3108458"></a><pre class="programlisting">typedef struct {
  /* Virtual methods that group models must implement. */
  gint		       (* get_n_children)		(GooCanvasItemModel	*model);
  GooCanvasItemModel*  (* get_child)			(GooCanvasItemModel	*model,
							 gint			 child_num);

  /* Virtual methods that group models may implement. */
  void                 (* add_child)			(GooCanvasItemModel	*model,
							 GooCanvasItemModel	*child,
							 gint			 position);
  void                 (* move_child)			(GooCanvasItemModel	*model,
							 gint			 old_position,
							 gint			 new_position);
  void                 (* remove_child)			(GooCanvasItemModel	*model,
							 gint			 child_num);
  void                 (* get_child_property)		(GooCanvasItemModel	*model,
							 GooCanvasItemModel	*child,
							 guint			 property_id,
							 GValue			*value,
							 GParamSpec		*pspec);
  void                 (* set_child_property)		(GooCanvasItemModel	*item,
							 GooCanvasItemModel	*child,
							 guint			 property_id,
							 const GValue		*value,
							 GParamSpec		*pspec);

  /* Virtual methods that all item models must implement. */
  GooCanvasItemModel*  (* get_parent)			(GooCanvasItemModel	*model);
  void                 (* set_parent)			(GooCanvasItemModel	*model,
							 GooCanvasItemModel	*parent);

  GooCanvasItem*       (* create_item)			(GooCanvasItemModel	*model,
							 GooCanvas		*canvas);

  /* Virtual methods that all item models may implement. */
  gboolean             (* get_transform)		(GooCanvasItemModel	*model,
							 cairo_matrix_t         *transform);
  void                 (* set_transform)		(GooCanvasItemModel	*model,
							 const cairo_matrix_t	*transform);
  GooCanvasStyle*      (* get_style)			(GooCanvasItemModel	*model);
  void                 (* set_style)			(GooCanvasItemModel	*model,
							 GooCanvasStyle		*style);

  /* Signals. */
  void                 (* child_added)			(GooCanvasItemModel	*model,
							 gint			 child_num);
  void                 (* child_moved)			(GooCanvasItemModel	*model,
							 gint			 old_child_num,
							 gint			 new_child_num);
  void                 (* child_removed)		(GooCanvasItemModel	*model,
							 gint			 child_num);
  void                 (* changed)			(GooCanvasItemModel	*model,
							 gboolean		 recompute_bounds);
  void                 (* child_notify)			(GooCanvasItemModel	*model,
							 GParamSpec		*pspec);

  void		       (* animation_finished)		(GooCanvasItemModel     *model,
							 gboolean                stopped);
} GooCanvasItemModelIface;
</pre>
<p>
<span class="type">GooCanvasItemModelIFace</span> holds the virtual methods that make up the
<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a> interface.
</p>
<p>
Simple item models only need to implement the <code class="function">get_parent()</code>, <code class="function">set_parent()</code>
and <code class="function">create_item()</code> methods.
</p>
<p>
Items that support transforms should also implement <code class="function">get_transform()</code> and
<code class="function">set_transform()</code>. Items that support styles should implement <code class="function">get_style()</code>
and <code class="function">set_style()</code>.
</p>
<p>
Container items must implement <code class="function">get_n_children()</code> and <code class="function">get_child()</code>.
Containers that support dynamic changes to their children should implement
<code class="function">add_child()</code>, <code class="function">move_child()</code> and <code class="function">remove_child()</code>.
Layout containers like <a class="link" href="GooCanvasTable.html" title="GooCanvasTable"><span class="type">GooCanvasTable</span></a> may implement
<code class="function">get_child_property()</code> and <code class="function">set_child_property()</code>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="structfield"><code>get_n_children</code></em>&#160;()</span></p></td>
<td> returns the number of children of the model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>get_child</code></em>&#160;()</span></p></td>
<td> returns the child at the given index.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>add_child</code></em>&#160;()</span></p></td>
<td> adds a child.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>move_child</code></em>&#160;()</span></p></td>
<td> moves a child up or down the stacking order.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>remove_child</code></em>&#160;()</span></p></td>
<td> removes a child.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>get_child_property</code></em>&#160;()</span></p></td>
<td> gets a child property of a given child model,
 e.g. the "row" or "column" property of a model in a <a class="link" href="GooCanvasTableModel.html" title="GooCanvasTableModel"><span class="type">GooCanvasTableModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>set_child_property</code></em>&#160;()</span></p></td>
<td> sets a child property for a given child model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>get_parent</code></em>&#160;()</span></p></td>
<td> gets the model's parent.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>set_parent</code></em>&#160;()</span></p></td>
<td> sets the model's parent.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>create_item</code></em>&#160;()</span></p></td>
<td> creates a default canvas item to view the model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>get_transform</code></em>&#160;()</span></p></td>
<td> gets the model's transformation matrix.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>set_transform</code></em>&#160;()</span></p></td>
<td> sets the model's transformation matrix.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>get_style</code></em>&#160;()</span></p></td>
<td> gets the model's style.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>set_style</code></em>&#160;()</span></p></td>
<td> sets the model's style.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>child_added</code></em>&#160;()</span></p></td>
<td> signal emitted when a child is added.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>child_moved</code></em>&#160;()</span></p></td>
<td> signal emitted when a child is moved in the stacking order.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>child_removed</code></em>&#160;()</span></p></td>
<td> signal emitted when a child is removed.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>changed</code></em>&#160;()</span></p></td>
<td> signal emitted when the model has changed.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>child_notify</code></em>&#160;()</span></p></td>
<td> signal emitted when a child property has changed.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code>animation_finished</code></em>&#160;()</span></p></td>
<td> signal emitted when the model's animation has finished.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3109004"></a><h3>
<a name="goo-canvas-item-model-translate"></a>goo_canvas_item_model_translate ()</h3>
<a class="indexterm" name="id3109017"></a><pre class="programlisting">void                goo_canvas_item_model_translate     (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> tx,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> ty);</pre>
<p>
Translates the origin of the model's coordinate system by the given amounts.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>tx</code></em>&#160;:</span></p></td>
<td> the amount to move the origin in the horizontal direction.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>ty</code></em>&#160;:</span></p></td>
<td> the amount to move the origin in the vertical direction.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3102215"></a><h3>
<a name="goo-canvas-item-model-scale"></a>goo_canvas_item_model_scale ()</h3>
<a class="indexterm" name="id3102226"></a><pre class="programlisting">void                goo_canvas_item_model_scale         (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> sx,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> sy);</pre>
<p>
Scales the model's coordinate system by the given amounts.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>sx</code></em>&#160;:</span></p></td>
<td> the amount to scale the horizontal axis.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>sy</code></em>&#160;:</span></p></td>
<td> the amount to scale the vertical axis.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3102320"></a><h3>
<a name="goo-canvas-item-model-rotate"></a>goo_canvas_item_model_rotate ()</h3>
<a class="indexterm" name="id3102333"></a><pre class="programlisting">void                goo_canvas_item_model_rotate        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> degrees,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cx,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cy);</pre>
<p>
Rotates the model's coordinate system by the given amount, about the given
origin.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>degrees</code></em>&#160;:</span></p></td>
<td> the clockwise angle of rotation.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cx</code></em>&#160;:</span></p></td>
<td> the x coordinate of the origin of the rotation.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cy</code></em>&#160;:</span></p></td>
<td> the y coordinate of the origin of the rotation.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3102450"></a><h3>
<a name="goo-canvas-item-model-skew-x"></a>goo_canvas_item_model_skew_x ()</h3>
<a class="indexterm" name="id3102463"></a><pre class="programlisting">void                goo_canvas_item_model_skew_x        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> degrees,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cx,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cy);</pre>
<p>
Skews the model's coordinate system along the x axis by the given amount,
about the given origin.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>degrees</code></em>&#160;:</span></p></td>
<td> the skew angle.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cx</code></em>&#160;:</span></p></td>
<td> the x coordinate of the origin of the skew transform.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cy</code></em>&#160;:</span></p></td>
<td> the y coordinate of the origin of the skew transform.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3102581"></a><h3>
<a name="goo-canvas-item-model-skew-y"></a>goo_canvas_item_model_skew_y ()</h3>
<a class="indexterm" name="id3102594"></a><pre class="programlisting">void                goo_canvas_item_model_skew_y        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> degrees,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cx,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> cy);</pre>
<p>
Skews the model's coordinate system along the y axis by the given amount,
about the given origin.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>degrees</code></em>&#160;:</span></p></td>
<td> the skew angle.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cx</code></em>&#160;:</span></p></td>
<td> the x coordinate of the origin of the skew transform.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cy</code></em>&#160;:</span></p></td>
<td> the y coordinate of the origin of the skew transform.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3102711"></a><h3>
<a name="goo-canvas-item-model-get-transform"></a>goo_canvas_item_model_get_transform ()</h3>
<a class="indexterm" name="id3102725"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>            goo_canvas_item_model_get_transform (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/cairo/cairo-cairo-matrix-t.html#cairo-matrix-t"
>cairo_matrix_t</a> *transform);</pre>
<p>
Gets the transformation matrix of an item model.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>transform</code></em>&#160;:</span></p></td>
<td> the place to store the transform.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"
><code class="literal">TRUE</code></a> if a transform is set.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3102817"></a><h3>
<a name="goo-canvas-item-model-set-transform"></a>goo_canvas_item_model_set_transform ()</h3>
<a class="indexterm" name="id3102831"></a><pre class="programlisting">void                goo_canvas_item_model_set_transform (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         const <a
href="/usr/share/gtk-doc/html/cairo/cairo-cairo-matrix-t.html#cairo-matrix-t"
>cairo_matrix_t</a> *transform);</pre>
<p>
Sets the transformation matrix of an item model.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>transform</code></em>&#160;:</span></p></td>
<td> the new transformation matrix, or <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a> to reset the
 transformation to the identity matrix.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3102914"></a><h3>
<a name="goo-canvas-item-model-get-simple-transform"></a>goo_canvas_item_model_get_simple_transform ()</h3>
<a class="indexterm" name="id3102929"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>            goo_canvas_item_model_get_simple_transform
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> *x,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> *y,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> *scale,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> *rotation);</pre>
<p>
This function can be used to get the position, scale and rotation of an
item model, providing that the model has a simple transformation matrix
(e.g. set with <a class="link" href="goocanvas-goocanvasitemmodel.html#goo-canvas-item-model-set-simple-transform"><code class="function">goo_canvas_item_model_set_simple_transform()</code></a>, or using a
combination of simple translate, scale and rotate operations). If the model
has a complex transformation matrix the results will be incorrect.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em>&#160;:</span></p></td>
<td> returns the x coordinate of the origin of the model's coordinate space.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em>&#160;:</span></p></td>
<td> returns the y coordinate of the origin of the model's coordinate space.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>scale</code></em>&#160;:</span></p></td>
<td> returns the scale of the model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>rotation</code></em>&#160;:</span></p></td>
<td> returns the clockwise rotation of the model, in degrees (0-360).
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"
><code class="literal">TRUE</code></a> if a transform is set.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103103"></a><h3>
<a name="goo-canvas-item-model-set-simple-transform"></a>goo_canvas_item_model_set_simple_transform ()</h3>
<a class="indexterm" name="id3103118"></a><pre class="programlisting">void                goo_canvas_item_model_set_simple_transform
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> x,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> y,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> scale,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> rotation);</pre>
<p>
A convenience function to set the item model's transformation matrix.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em>&#160;:</span></p></td>
<td> the x coordinate of the origin of the model's coordinate space.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em>&#160;:</span></p></td>
<td> the y coordinate of the origin of the model's coordinate space.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>scale</code></em>&#160;:</span></p></td>
<td> the scale of the model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>rotation</code></em>&#160;:</span></p></td>
<td> the clockwise rotation of the model, in degrees.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103257"></a><h3>
<a name="goo-canvas-item-model-animate"></a>goo_canvas_item_model_animate ()</h3>
<a class="indexterm" name="id3103270"></a><pre class="programlisting">void                goo_canvas_item_model_animate       (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> x,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> y,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> scale,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> degrees,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a> absolute,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> duration,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> step_time,
                                                         <a class="link" href="goocanvas-GooCanvas-Types.html#GooCanvasAnimateType">GooCanvasAnimateType</a> type);</pre>
<p>
Animates a model from its current position to the given offsets, scale
and rotation.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em>&#160;:</span></p></td>
<td> the final x coordinate.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em>&#160;:</span></p></td>
<td> the final y coordinate.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>scale</code></em>&#160;:</span></p></td>
<td> the final scale.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>degrees</code></em>&#160;:</span></p></td>
<td> the final rotation. This can be negative to rotate anticlockwise,
 and can also be greater than 360 to rotate a number of times.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>absolute</code></em>&#160;:</span></p></td>
<td> if the <em class="parameter"><code>x</code></em>, <em class="parameter"><code>y</code></em>, <em class="parameter"><code>scale</code></em> and <em class="parameter"><code>degrees</code></em> values are absolute, or
 relative to the current transform. Note that absolute animations only work
 if the model currently has a simple transform. If the model has a shear or
 some other complicated transform it may result in strange animations.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>duration</code></em>&#160;:</span></p></td>
<td> the duration of the animation, in milliseconds (1/1000ths of a
 second).
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>step_time</code></em>&#160;:</span></p></td>
<td> the time between each animation step, in milliseconds.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em>&#160;:</span></p></td>
<td> specifies what happens when the animation finishes.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103524"></a><h3>
<a name="goo-canvas-item-model-stop-animation"></a>goo_canvas_item_model_stop_animation ()</h3>
<a class="indexterm" name="id3103537"></a><pre class="programlisting">void                goo_canvas_item_model_stop_animation
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);</pre>
<p>
Stops any current animation for the given model, leaving it at its current
position.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103590"></a><h3>
<a name="goo-canvas-item-model-raise"></a>goo_canvas_item_model_raise ()</h3>
<a class="indexterm" name="id3103602"></a><pre class="programlisting">void                goo_canvas_item_model_raise         (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *above);</pre>
<p>
Raises a model in the stacking order.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>above</code></em>&#160;:</span></p></td>
<td> the item model to raise <em class="parameter"><code>model</code></em> above, or <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a> to raise <em class="parameter"><code>model</code></em> to the top
 of the stack.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103695"></a><h3>
<a name="goo-canvas-item-model-lower"></a>goo_canvas_item_model_lower ()</h3>
<a class="indexterm" name="id3103706"></a><pre class="programlisting">void                goo_canvas_item_model_lower         (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *below);</pre>
<p>
Lowers a model in the stacking order.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>below</code></em>&#160;:</span></p></td>
<td> the item model to lower <em class="parameter"><code>model</code></em> below, or <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a> to lower <em class="parameter"><code>model</code></em> to the
 bottom of the stack.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103800"></a><h3>
<a name="goo-canvas-item-model-remove"></a>goo_canvas_item_model_remove ()</h3>
<a class="indexterm" name="id3103813"></a><pre class="programlisting">void                goo_canvas_item_model_remove        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);</pre>
<p>
Removes a model from its parent. If the model is in a canvas it will be
removed.
</p>
<p>
This would normally also result in the model being freed.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103869"></a><h3>
<a name="goo-canvas-item-model-get-parent"></a>goo_canvas_item_model_get_parent ()</h3>
<a class="indexterm" name="id3103882"></a><pre class="programlisting"><a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a>* goo_canvas_item_model_get_parent    (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);</pre>
<p>
Gets the parent of the given model.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the parent model, or <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a> if the model has no parent.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3103954"></a><h3>
<a name="goo-canvas-item-model-set-parent"></a>goo_canvas_item_model_set_parent ()</h3>
<a class="indexterm" name="id3103967"></a><pre class="programlisting">void                goo_canvas_item_model_set_parent    (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *parent);</pre>
<p>
This function is only intended to be used when implementing new canvas
item models (specifically container models such as <a class="link" href="GooCanvasGroupModel.html" title="GooCanvasGroupModel"><span class="type">GooCanvasGroupModel</span></a>).
It sets the parent of the child model.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em>&#160;:</span></p></td>
<td> the new parent item model.
</td>
</tr>
</tbody>
</table></div>
<p>
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>
This function cannot be used to add a model to a group
or to change the parent of a model.
To do that use the <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel--parent"><span class="type">"parent"</span></a> property.
</p>
</div>
<p>

</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3104066"></a><h3>
<a name="goo-canvas-item-model-is-container"></a>goo_canvas_item_model_is_container ()</h3>
<a class="indexterm" name="id3104080"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>            goo_canvas_item_model_is_container  (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);</pre>
<p>
Tests to see if the given item model is a container.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"
><code class="literal">TRUE</code></a> if the item model is a container.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3104151"></a><h3>
<a name="goo-canvas-item-model-get-n-children"></a>goo_canvas_item_model_get_n_children ()</h3>
<a class="indexterm" name="id3104165"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a>                goo_canvas_item_model_get_n_children
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);</pre>
<p>
Gets the number of children of the container.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the number of children.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3104227"></a><h3>
<a name="goo-canvas-item-model-get-child"></a>goo_canvas_item_model_get_child ()</h3>
<a class="indexterm" name="id3104240"></a><pre class="programlisting"><a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a>* goo_canvas_item_model_get_child     (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> child_num);</pre>
<p>
Gets the child at the given stack position.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child_num</code></em>&#160;:</span></p></td>
<td> the position of a child in the container's stack.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the child at the given stack position, or <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a> if <em class="parameter"><code>child_num</code></em>
is out of range.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3119040"></a><h3>
<a name="goo-canvas-item-model-add-child"></a>goo_canvas_item_model_add_child ()</h3>
<a class="indexterm" name="id3119052"></a><pre class="programlisting">void                goo_canvas_item_model_add_child     (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> position);</pre>
<p>
Adds a child at the given stack position.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child</code></em>&#160;:</span></p></td>
<td> the child to add.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>position</code></em>&#160;:</span></p></td>
<td> the position of the child, or -1 to place it last (at the top of
 the stacking order).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3119138"></a><h3>
<a name="goo-canvas-item-model-move-child"></a>goo_canvas_item_model_move_child ()</h3>
<a class="indexterm" name="id3119150"></a><pre class="programlisting">void                goo_canvas_item_model_move_child    (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> old_position,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> new_position);</pre>
<p>
Moves a child to a new stack position.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>old_position</code></em>&#160;:</span></p></td>
<td> the current position of the child.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>new_position</code></em>&#160;:</span></p></td>
<td> the new position of the child.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3119235"></a><h3>
<a name="goo-canvas-item-model-remove-child"></a>goo_canvas_item_model_remove_child ()</h3>
<a class="indexterm" name="id3119248"></a><pre class="programlisting">void                goo_canvas_item_model_remove_child  (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> child_num);</pre>
<p>
Removes the child at the given position.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child_num</code></em>&#160;:</span></p></td>
<td> the position of the child to remove.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3119313"></a><h3>
<a name="goo-canvas-item-model-find-child"></a>goo_canvas_item_model_find_child ()</h3>
<a class="indexterm" name="id3119325"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a>                goo_canvas_item_model_find_child    (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child);</pre>
<p>
Attempts to find the given child with the container's stack.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child</code></em>&#160;:</span></p></td>
<td> the child to find.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the position of the given <em class="parameter"><code>child</code></em>, or -1 if it isn't found.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3119405"></a><h3>
<a name="goo-canvas-item-model-get-style"></a>goo_canvas_item_model_get_style ()</h3>
<a class="indexterm" name="id3119418"></a><pre class="programlisting"><a class="link" href="GooCanvasStyle.html" title="GooCanvasStyle">GooCanvasStyle</a>*     goo_canvas_item_model_get_style     (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model);</pre>
<p>
Gets the model's style. If the model doesn't have its own style it will
return its parent's style.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the model's style.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3119473"></a><h3>
<a name="goo-canvas-item-model-set-style"></a>goo_canvas_item_model_set_style ()</h3>
<a class="indexterm" name="id3119486"></a><pre class="programlisting">void                goo_canvas_item_model_set_style     (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="GooCanvasStyle.html" title="GooCanvasStyle">GooCanvasStyle</a> *style);</pre>
<p>
Sets the model's style, by copying the properties from the given style.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> an item model.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>style</code></em>&#160;:</span></p></td>
<td> a style.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3119551"></a><h3>
<a name="goo-canvas-item-model-class-install-child-property"></a>goo_canvas_item_model_class_install_child_property ()</h3>
<a class="indexterm" name="id3119564"></a><pre class="programlisting">void                goo_canvas_item_model_class_install_child_property
                                                        (<a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObjectClass"
>GObjectClass</a> *mclass,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"
>guint</a> property_id,
                                                         <a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec);</pre>
<p>
This function is only intended to be used when implementing new canvas
item models, specifically layout container item models such as
<a class="link" href="GooCanvasTableModel.html" title="GooCanvasTableModel"><span class="type">GooCanvasTableModel</span></a>.
</p>
<p>
It installs a child property on a canvas item class.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>mclass</code></em>&#160;:</span></p></td>
<td> a <a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObjectClass"
><span class="type">GObjectClass</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>property_id</code></em>&#160;:</span></p></td>
<td> the id for the property
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pspec</code></em>&#160;:</span></p></td>
<td> the <a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
><span class="type">GParamSpec</span></a> for the property
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3119674"></a><h3>
<a name="goo-canvas-item-model-class-list-child-properties"></a>goo_canvas_item_model_class_list_child_properties ()</h3>
<a class="indexterm" name="id3119687"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a>**        goo_canvas_item_model_class_list_child_properties
                                                        (<a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObjectClass"
>GObjectClass</a> *mclass,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"
>guint</a> *n_properties);</pre>
<p>
This function is only intended to be used when implementing new canvas
item models, specifically layout container item models such as
<a class="link" href="GooCanvasTableModel.html" title="GooCanvasTableModel"><span class="type">GooCanvasTableModel</span></a>.
</p>
<p>
It returns all child properties of a canvas item class.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>mclass</code></em>&#160;:</span></p></td>
<td> a <a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObjectClass"
><span class="type">GObjectClass</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>n_properties</code></em>&#160;:</span></p></td>
<td> location to return the number of child properties found
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> a newly allocated array of <a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
><span class="type">GParamSpec</span></a>*. The array must be 
          freed with <a
href="/usr/share/gtk-doc/html/glib/glib-Memory-Allocation.html#g-free"
><code class="function">g_free()</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3119798"></a><h3>
<a name="goo-canvas-item-model-class-find-child-property"></a>goo_canvas_item_model_class_find_child_property ()</h3>
<a class="indexterm" name="id3119811"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a>*         goo_canvas_item_model_class_find_child_property
                                                        (<a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObjectClass"
>GObjectClass</a> *mclass,
                                                         const <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *property_name);</pre>
<p>
This function is only intended to be used when implementing new canvas
item models, specifically layout container item models such as
<a class="link" href="GooCanvasTableModel.html" title="GooCanvasTableModel"><span class="type">GooCanvasTableModel</span></a>.
</p>
<p>
It finds a child property of a canvas item class by name.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>mclass</code></em>&#160;:</span></p></td>
<td> a <a
href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObjectClass"
><span class="type">GObjectClass</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>property_name</code></em>&#160;:</span></p></td>
<td> the name of the child property to find
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the <a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
><span class="type">GParamSpec</span></a> of the child property or <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a> if <em class="parameter"><code>class</code></em> has no
  child property with that name.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3119927"></a><h3>
<a name="goo-canvas-item-model-get-child-property"></a>goo_canvas_item_model_get_child_property ()</h3>
<a class="indexterm" name="id3119939"></a><pre class="programlisting">void                goo_canvas_item_model_get_child_property
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         const <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *property_name,
                                                         <a
href="/usr/share/gtk-doc/html/gobject/gobject-Generic-values.html#GValue"
>GValue</a> *value);</pre>
<p>
Gets a child property of <em class="parameter"><code>child</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child</code></em>&#160;:</span></p></td>
<td> a child <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>property_name</code></em>&#160;:</span></p></td>
<td> the name of the child property to get.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em>&#160;:</span></p></td>
<td> a location to return the value.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120062"></a><h3>
<a name="goo-canvas-item-model-set-child-property"></a>goo_canvas_item_model_set_child_property ()</h3>
<a class="indexterm" name="id3120075"></a><pre class="programlisting">void                goo_canvas_item_model_set_child_property
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         const <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *property_name,
                                                         const <a
href="/usr/share/gtk-doc/html/gobject/gobject-Generic-values.html#GValue"
>GValue</a> *value);</pre>
<p>
Sets a child property of <em class="parameter"><code>child</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child</code></em>&#160;:</span></p></td>
<td> a child <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>property_name</code></em>&#160;:</span></p></td>
<td> the name of the child property to set.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em>&#160;:</span></p></td>
<td> the value to set the property to.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120197"></a><h3>
<a name="goo-canvas-item-model-get-child-properties"></a>goo_canvas_item_model_get_child_properties ()</h3>
<a class="indexterm" name="id3120211"></a><pre class="programlisting">void                goo_canvas_item_model_get_child_properties
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         ...);</pre>
<p>
Gets the values of one or more child properties of <em class="parameter"><code>child</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child</code></em>&#160;:</span></p></td>
<td> a child <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em>&#160;:</span></p></td>
<td> pairs of property names and value pointers, and a terminating <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120317"></a><h3>
<a name="goo-canvas-item-model-get-child-properties-valist"></a>goo_canvas_item_model_get_child_properties_valist ()</h3>
<a class="indexterm" name="id3120331"></a><pre class="programlisting">void                goo_canvas_item_model_get_child_properties_valist
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         va_list var_args);</pre>
<p>
Gets the values of one or more child properties of <em class="parameter"><code>child</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child</code></em>&#160;:</span></p></td>
<td> a child <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>var_args</code></em>&#160;:</span></p></td>
<td> pairs of property names and value pointers, and a terminating
 <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120443"></a><h3>
<a name="goo-canvas-item-model-set-child-properties"></a>goo_canvas_item_model_set_child_properties ()</h3>
<a class="indexterm" name="id3120457"></a><pre class="programlisting">void                goo_canvas_item_model_set_child_properties
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         ...);</pre>
<p>
Sets the values of one or more child properties of <em class="parameter"><code>child</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child</code></em>&#160;:</span></p></td>
<td> a child <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em>&#160;:</span></p></td>
<td> pairs of property names and values, and a terminating <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120563"></a><h3>
<a name="goo-canvas-item-model-set-child-properties-valist"></a>goo_canvas_item_model_set_child_properties_valist ()</h3>
<a class="indexterm" name="id3120576"></a><pre class="programlisting">void                goo_canvas_item_model_set_child_properties_valist
                                                        (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                         <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *child,
                                                         va_list var_args);</pre>
<p>
Sets the values of one or more child properties of <em class="parameter"><code>child</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child</code></em>&#160;:</span></p></td>
<td> a child <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel"><span class="type">GooCanvasItemModel</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>var_args</code></em>&#160;:</span></p></td>
<td> pairs of property names and values, and a terminating <a
href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
><code class="literal">NULL</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1" lang="en">
<a name="id3120690"></a><h2>Property Details</h2>
<div class="refsect2" lang="en">
<a name="id3120699"></a><h3>
<a name="GooCanvasItemModel--can-focus"></a>The <code class="literal">"can-focus"</code> property</h3>
<a class="indexterm" name="id3120714"></a><pre class="programlisting">  "can-focus"                <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>              : Read / Write</pre>
<p>If the item can take the keyboard focus.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120738"></a><h3>
<a name="GooCanvasItemModel--description"></a>The <code class="literal">"description"</code> property</h3>
<a class="indexterm" name="id3120752"></a><pre class="programlisting">  "description"              <a
href="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray"
>gchararray</a>            : Read / Write</pre>
<p>A description of the item for use by assistive technologies.</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120776"></a><h3>
<a name="GooCanvasItemModel--parent"></a>The <code class="literal">"parent"</code> property</h3>
<a class="indexterm" name="id3120789"></a><pre class="programlisting">  "parent"                   <a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a>    : Read / Write</pre>
<p>The parent item model.</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120808"></a><h3>
<a name="GooCanvasItemModel--pointer-events"></a>The <code class="literal">"pointer-events"</code> property</h3>
<a class="indexterm" name="id3120823"></a><pre class="programlisting">  "pointer-events"           <a class="link" href="goocanvas-GooCanvas-Types.html#GooCanvasPointerEvents">GooCanvasPointerEvents</a>  : Read / Write</pre>
<p>Specifies when the item receives pointer events.</p>
<p>Default value: GOO_CANVAS_EVENTS_VISIBLE_MASK|GOO_CANVAS_EVENTS_PAINTED_MASK|GOO_CANVAS_EVENTS_FILL_MASK|GOO_CANVAS_EVENTS_STROKE_MASK</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120849"></a><h3>
<a name="GooCanvasItemModel--title"></a>The <code class="literal">"title"</code> property</h3>
<a class="indexterm" name="id3120861"></a><pre class="programlisting">  "title"                    <a
href="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray"
>gchararray</a>            : Read / Write</pre>
<p>A short context-rich description of the item for use by assistive technologies.</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120885"></a><h3>
<a name="GooCanvasItemModel--tooltip"></a>The <code class="literal">"tooltip"</code> property</h3>
<a class="indexterm" name="id3120898"></a><pre class="programlisting">  "tooltip"                  <a
href="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray"
>gchararray</a>            : Read / Write</pre>
<p>The tooltip to display for the item.</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120921"></a><h3>
<a name="GooCanvasItemModel--transform"></a>The <code class="literal">"transform"</code> property</h3>
<a class="indexterm" name="id3120936"></a><pre class="programlisting">  "transform"                <a class="link" href="goocanvas-GooCanvas-Types.html#GooCairoMatrix">GooCairoMatrix</a>        : Read / Write</pre>
<p>The transformation matrix of the item.</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120956"></a><h3>
<a name="GooCanvasItemModel--visibility"></a>The <code class="literal">"visibility"</code> property</h3>
<a class="indexterm" name="id3120971"></a><pre class="programlisting">  "visibility"               <a class="link" href="goocanvas-GooCanvas-Types.html#GooCanvasItemVisibility">GooCanvasItemVisibility</a>  : Read / Write</pre>
<p>When the canvas item is visible.</p>
<p>Default value: GOO_CANVAS_ITEM_VISIBLE</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3120995"></a><h3>
<a name="GooCanvasItemModel--visibility-threshold"></a>The <code class="literal">"visibility-threshold"</code> property</h3>
<a class="indexterm" name="id3121010"></a><pre class="programlisting">  "visibility-threshold"     <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a>               : Read / Write</pre>
<p>The scale threshold at which the item becomes visible.</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
</div>
</div>
<div class="refsect1" lang="en">
<a name="id3121038"></a><h2>Signal Details</h2>
<div class="refsect2" lang="en">
<a name="id3121048"></a><h3>
<a name="GooCanvasItemModel-animation-finished"></a>The <code class="literal">"animation-finished"</code> signal</h3>
<a class="indexterm" name="id3121063"></a><pre class="programlisting">void                user_function                      (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *item,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>            stopped,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"
>gpointer</a>            user_data)      : Run Last</pre>
<p>
Emitted when the item model animation has finished.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em>&#160;:</span></p></td>
<td> the item model that received the signal.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>stopped</code></em>&#160;:</span></p></td>
<td> if the animation was explicitly stopped.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em>&#160;:</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3121148"></a><h3>
<a name="GooCanvasItemModel-changed"></a>The <code class="literal">"changed"</code> signal</h3>
<a class="indexterm" name="id3121161"></a><pre class="programlisting">void                user_function                      (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a>            recompute_bounds,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"
>gpointer</a>            user_data)             : Run Last</pre>
<p>
Emitted when the item model has been changed.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> the item model that received the signal.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>recompute_bounds</code></em>&#160;:</span></p></td>
<td> if the bounds of the item need to be recomputed.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em>&#160;:</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3121247"></a><h3>
<a name="GooCanvasItemModel-child-added"></a>The <code class="literal">"child-added"</code> signal</h3>
<a class="indexterm" name="id3121262"></a><pre class="programlisting">void                user_function                      (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a>                child_num,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"
>gpointer</a>            user_data)      : Run Last</pre>
<p>
Emitted when a child has been added.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> the item model that received the signal.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child_num</code></em>&#160;:</span></p></td>
<td> the index of the new child.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em>&#160;:</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3121347"></a><h3>
<a name="GooCanvasItemModel-child-moved"></a>The <code class="literal">"child-moved"</code> signal</h3>
<a class="indexterm" name="id3121362"></a><pre class="programlisting">void                user_function                      (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a>                old_child_num,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a>                new_child_num,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"
>gpointer</a>            user_data)          : Run Last</pre>
<p>
Emitted when a child has been moved in the stacking order.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> the item model that received the signal.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>old_child_num</code></em>&#160;:</span></p></td>
<td> the old index of the child.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>new_child_num</code></em>&#160;:</span></p></td>
<td> the new index of the child.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em>&#160;:</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3121468"></a><h3>
<a name="GooCanvasItemModel-child-notify"></a>The <code class="literal">"child-notify"</code> signal</h3>
<a class="indexterm" name="id3121482"></a><pre class="programlisting">void                user_function                      (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *item,
                                                        <a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a>         *pspec,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"
>gpointer</a>            user_data)      : Run First / No Recursion / Has Details / No Hooks</pre>
<p>
Emitted for each child property that has changed.
The signal's detail holds the property name.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em>&#160;:</span></p></td>
<td> the item model that received the signal.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pspec</code></em>&#160;:</span></p></td>
<td> the <a
href="/usr/share/gtk-doc/html/gobject/gobject-GParamSpec.html#GParamSpec"
><span class="type">GParamSpec</span></a> of the changed child property.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em>&#160;:</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3121575"></a><h3>
<a name="GooCanvasItemModel-child-removed"></a>The <code class="literal">"child-removed"</code> signal</h3>
<a class="indexterm" name="id3121590"></a><pre class="programlisting">void                user_function                      (<a class="link" href="goocanvas-goocanvasitemmodel.html#GooCanvasItemModel">GooCanvasItemModel</a> *model,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a>                child_num,
                                                        <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"
>gpointer</a>            user_data)      : Run Last</pre>
<p>
Emitted when a child has been removed.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em>&#160;:</span></p></td>
<td> the item model that received the signal.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child_num</code></em>&#160;:</span></p></td>
<td> the index of the child that was removed.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em>&#160;:</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1" lang="en">
<a name="id3121678"></a><div class="refsect2" lang="en"><a name="id3121679"></a></div>
<hr>
<div class="refsect2" lang="en"><a name="id3121680"></a></div>
</div>
</div>
</body>
</html>

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